OSCL-LXR linux-6.0.1/​drivers/​net/​ethernet/​mellanox/​mlx5/​core/​en_tc.c	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 /*
  * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed under the terms of the GNU
  * General Public License (GPL) Version 2, available from the file
  * COPYING in the main directory of this source tree, or the
  * OpenIB.org BSD license below:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      - Redistributions of source code must retain the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer.
  *
  *      - Redistributions in binary form must reproduce the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer in the documentation and/or other materials
  *        provided with the distribution.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
 
 #include <net/flow_dissector.h>
 #include <net/flow_offload.h>
 #include <net/sch_generic.h>
 #include <net/pkt_cls.h>
 #include <linux/mlx5/fs.h>
 #include <linux/mlx5/device.h>
 #include <linux/rhashtable.h>
 #include <linux/refcount.h>
 #include <linux/completion.h>
 #include <net/arp.h>
 #include <net/ipv6_stubs.h>
 #include <net/bareudp.h>
 #include <net/bonding.h>
 #include "en.h"
 #include "en/tc/post_act.h"
 #include "en_rep.h"
 #include "en/rep/tc.h"
 #include "en/rep/neigh.h"
 #include "en_tc.h"
 #include "eswitch.h"
 #include "fs_core.h"
 #include "en/port.h"
 #include "en/tc_tun.h"
 #include "en/mapping.h"
 #include "en/tc_ct.h"
 #include "en/mod_hdr.h"
 #include "en/tc_tun_encap.h"
 #include "en/tc/sample.h"
 #include "en/tc/act/act.h"
 #include "en/tc/post_meter.h"
 #include "lib/devcom.h"
 #include "lib/geneve.h"
 #include "lib/fs_chains.h"
 #include "diag/en_tc_tracepoint.h"
 #include <asm/div64.h>
 #include "lag/lag.h"
 #include "lag/mp.h"
 
 #define MLX5E_TC_TABLE_NUM_GROUPS 4
 #define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(18)
 
 struct mlx5e_tc_table {
     /* Protects the dynamic assignment of the t parameter
      * which is the nic tc root table.
      */
     struct mutex            t_lock;
     struct mlx5e_priv       *priv;
     struct mlx5_flow_table      *t;
     struct mlx5_flow_table      *miss_t;
     struct mlx5_fs_chains           *chains;
     struct mlx5e_post_act       *post_act;
 
     struct rhashtable               ht;
 
     struct mod_hdr_tbl mod_hdr;
     struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */
     DECLARE_HASHTABLE(hairpin_tbl, 8);
 
     struct notifier_block     netdevice_nb;
     struct netdev_net_notifier  netdevice_nn;
 
     struct mlx5_tc_ct_priv         *ct;
     struct mapping_ctx             *mapping;
 };
 
 struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = {
     [CHAIN_TO_REG] = {
         .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0,
         .moffset = 0,
         .mlen = 16,
     },
     [VPORT_TO_REG] = {
         .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0,
         .moffset = 16,
         .mlen = 16,
     },
     [TUNNEL_TO_REG] = {
         .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_1,
         .moffset = 8,
         .mlen = ESW_TUN_OPTS_BITS + ESW_TUN_ID_BITS,
         .soffset = MLX5_BYTE_OFF(fte_match_param,
                      misc_parameters_2.metadata_reg_c_1),
     },
     [ZONE_TO_REG] = zone_to_reg_ct,
     [ZONE_RESTORE_TO_REG] = zone_restore_to_reg_ct,
     [CTSTATE_TO_REG] = ctstate_to_reg_ct,
     [MARK_TO_REG] = mark_to_reg_ct,
     [LABELS_TO_REG] = labels_to_reg_ct,
     [FTEID_TO_REG] = fteid_to_reg_ct,
     /* For NIC rules we store the restore metadata directly
      * into reg_b that is passed to SW since we don't
      * jump between steering domains.
      */
     [NIC_CHAIN_TO_REG] = {
         .mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B,
         .moffset = 0,
         .mlen = 16,
     },
     [NIC_ZONE_RESTORE_TO_REG] = nic_zone_restore_to_reg_ct,
     [PACKET_COLOR_TO_REG] = packet_color_to_reg,
 };
 
 struct mlx5e_tc_table *mlx5e_tc_table_alloc(void)
 {
     struct mlx5e_tc_table *tc;
 
     tc = kvzalloc(sizeof(*tc), GFP_KERNEL);
     return tc ? tc : ERR_PTR(-ENOMEM);
 }
 
 void mlx5e_tc_table_free(struct mlx5e_tc_table *tc)
 {
     kvfree(tc);
 }
 
 struct mlx5_fs_chains *mlx5e_nic_chains(struct mlx5e_tc_table *tc)
 {
     return tc->chains;
 }
 
 /* To avoid false lock dependency warning set the tc_ht lock
  * class different than the lock class of the ht being used when deleting
  * last flow from a group and then deleting a group, we get into del_sw_flow_group()
  * which call rhashtable_destroy on fg->ftes_hash which will take ht->mutex but
  * it's different than the ht->mutex here.
  */
 static struct lock_class_key tc_ht_lock_key;
 
 static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow);
 static void free_flow_post_acts(struct mlx5e_tc_flow *flow);
 
 void
 mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec,
                 enum mlx5e_tc_attr_to_reg type,
                 u32 val,
                 u32 mask)
 {
     void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval;
     int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset;
     int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset;
     int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen;
     u32 max_mask = GENMASK(match_len - 1, 0);
     __be32 curr_mask_be, curr_val_be;
     u32 curr_mask, curr_val;
 
     fmask = headers_c + soffset;
     fval = headers_v + soffset;
 
     memcpy(&curr_mask_be, fmask, 4);
     memcpy(&curr_val_be, fval, 4);
 
     curr_mask = be32_to_cpu(curr_mask_be);
     curr_val = be32_to_cpu(curr_val_be);
 
     //move to correct offset
     WARN_ON(mask > max_mask);
     mask <<= moffset;
     val <<= moffset;
     max_mask <<= moffset;
 
     //zero val and mask
     curr_mask &= ~max_mask;
     curr_val &= ~max_mask;
 
     //add current to mask
     curr_mask |= mask;
     curr_val |= val;
 
     //back to be32 and write
     curr_mask_be = cpu_to_be32(curr_mask);
     curr_val_be = cpu_to_be32(curr_val);
 
     memcpy(fmask, &curr_mask_be, 4);
     memcpy(fval, &curr_val_be, 4);
 
     spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2;
 }
 
 void
 mlx5e_tc_match_to_reg_get_match(struct mlx5_flow_spec *spec,
                 enum mlx5e_tc_attr_to_reg type,
                 u32 *val,
                 u32 *mask)
 {
     void *headers_c = spec->match_criteria, *headers_v = spec->match_value, *fmask, *fval;
     int soffset = mlx5e_tc_attr_to_reg_mappings[type].soffset;
     int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset;
     int match_len = mlx5e_tc_attr_to_reg_mappings[type].mlen;
     u32 max_mask = GENMASK(match_len - 1, 0);
     __be32 curr_mask_be, curr_val_be;
     u32 curr_mask, curr_val;
 
     fmask = headers_c + soffset;
     fval = headers_v + soffset;
 
     memcpy(&curr_mask_be, fmask, 4);
     memcpy(&curr_val_be, fval, 4);
 
     curr_mask = be32_to_cpu(curr_mask_be);
     curr_val = be32_to_cpu(curr_val_be);
 
     *mask = (curr_mask >> moffset) & max_mask;
     *val = (curr_val >> moffset) & max_mask;
 }
 
 int
 mlx5e_tc_match_to_reg_set_and_get_id(struct mlx5_core_dev *mdev,
                      struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts,
                      enum mlx5_flow_namespace_type ns,
                      enum mlx5e_tc_attr_to_reg type,
                      u32 data)
 {
     int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset;
     int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield;
     int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen;
     char *modact;
     int err;
 
     modact = mlx5e_mod_hdr_alloc(mdev, ns, mod_hdr_acts);
     if (IS_ERR(modact))
         return PTR_ERR(modact);
 
     /* Firmware has 5bit length field and 0 means 32bits */
     if (mlen == 32)
         mlen = 0;
 
     MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET);
     MLX5_SET(set_action_in, modact, field, mfield);
     MLX5_SET(set_action_in, modact, offset, moffset);
     MLX5_SET(set_action_in, modact, length, mlen);
     MLX5_SET(set_action_in, modact, data, data);
     err = mod_hdr_acts->num_actions;
     mod_hdr_acts->num_actions++;
 
     return err;
 }
 
 struct mlx5e_tc_int_port_priv *
 mlx5e_get_int_port_priv(struct mlx5e_priv *priv)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *uplink_rpriv;
 
     if (is_mdev_switchdev_mode(priv->mdev)) {
         uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
         uplink_priv = &uplink_rpriv->uplink_priv;
 
         return uplink_priv->int_port_priv;
     }
 
     return NULL;
 }
 
 struct mlx5e_flow_meters *
 mlx5e_get_flow_meters(struct mlx5_core_dev *dev)
 {
     struct mlx5_eswitch *esw = dev->priv.eswitch;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *uplink_rpriv;
     struct mlx5e_priv *priv;
 
     if (is_mdev_switchdev_mode(dev)) {
         uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
         uplink_priv = &uplink_rpriv->uplink_priv;
         priv = netdev_priv(uplink_rpriv->netdev);
         if (!uplink_priv->flow_meters)
             uplink_priv->flow_meters =
                 mlx5e_flow_meters_init(priv,
                                MLX5_FLOW_NAMESPACE_FDB,
                                uplink_priv->post_act);
         if (!IS_ERR(uplink_priv->flow_meters))
             return uplink_priv->flow_meters;
     }
 
     return NULL;
 }
 
 static struct mlx5_tc_ct_priv *
 get_ct_priv(struct mlx5e_priv *priv)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *uplink_rpriv;
 
     if (is_mdev_switchdev_mode(priv->mdev)) {
         uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
         uplink_priv = &uplink_rpriv->uplink_priv;
 
         return uplink_priv->ct_priv;
     }
 
     return priv->fs->tc->ct;
 }
 
 static struct mlx5e_tc_psample *
 get_sample_priv(struct mlx5e_priv *priv)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *uplink_rpriv;
 
     if (is_mdev_switchdev_mode(priv->mdev)) {
         uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
         uplink_priv = &uplink_rpriv->uplink_priv;
 
         return uplink_priv->tc_psample;
     }
 
     return NULL;
 }
 
 static struct mlx5e_post_act *
 get_post_action(struct mlx5e_priv *priv)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *uplink_rpriv;
 
     if (is_mdev_switchdev_mode(priv->mdev)) {
         uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
         uplink_priv = &uplink_rpriv->uplink_priv;
 
         return uplink_priv->post_act;
     }
 
     return priv->fs->tc->post_act;
 }
 
 struct mlx5_flow_handle *
 mlx5_tc_rule_insert(struct mlx5e_priv *priv,
             struct mlx5_flow_spec *spec,
             struct mlx5_flow_attr *attr)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 
     if (is_mdev_switchdev_mode(priv->mdev))
         return mlx5_eswitch_add_offloaded_rule(esw, spec, attr);
 
     return  mlx5e_add_offloaded_nic_rule(priv, spec, attr);
 }
 
 void
 mlx5_tc_rule_delete(struct mlx5e_priv *priv,
             struct mlx5_flow_handle *rule,
             struct mlx5_flow_attr *attr)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 
     if (is_mdev_switchdev_mode(priv->mdev)) {
         mlx5_eswitch_del_offloaded_rule(esw, rule, attr);
         return;
     }
 
     mlx5e_del_offloaded_nic_rule(priv, rule, attr);
 }
 
 static bool
 is_flow_meter_action(struct mlx5_flow_attr *attr)
 {
     return ((attr->action & MLX5_FLOW_CONTEXT_ACTION_EXECUTE_ASO) &&
         (attr->exe_aso_type == MLX5_EXE_ASO_FLOW_METER));
 }
 
 static int
 mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv,
             struct mlx5_flow_attr *attr)
 {
     struct mlx5e_post_act *post_act = get_post_action(priv);
     struct mlx5e_post_meter_priv *post_meter;
     enum mlx5_flow_namespace_type ns_type;
     struct mlx5e_flow_meter_handle *meter;
 
     meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params);
     if (IS_ERR(meter)) {
         mlx5_core_err(priv->mdev, "Failed to get flow meter\n");
         return PTR_ERR(meter);
     }
 
     ns_type = mlx5e_tc_meter_get_namespace(meter->flow_meters);
     post_meter = mlx5e_post_meter_init(priv, ns_type, post_act, meter->green_counter,
                        meter->red_counter);
     if (IS_ERR(post_meter)) {
         mlx5_core_err(priv->mdev, "Failed to init post meter\n");
         goto err_meter_init;
     }
 
     attr->meter_attr.meter = meter;
     attr->meter_attr.post_meter = post_meter;
     attr->dest_ft = mlx5e_post_meter_get_ft(post_meter);
     attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
 
     return 0;
 
 err_meter_init:
     mlx5e_tc_meter_put(meter);
     return PTR_ERR(post_meter);
 }
 
 static void
 mlx5e_tc_del_flow_meter(struct mlx5_flow_attr *attr)
 {
     mlx5e_post_meter_cleanup(attr->meter_attr.post_meter);
     mlx5e_tc_meter_put(attr->meter_attr.meter);
 }
 
 struct mlx5_flow_handle *
 mlx5e_tc_rule_offload(struct mlx5e_priv *priv,
               struct mlx5_flow_spec *spec,
               struct mlx5_flow_attr *attr)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     int err;
 
     if (attr->flags & MLX5_ATTR_FLAG_CT) {
         struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts =
             &attr->parse_attr->mod_hdr_acts;
 
         return mlx5_tc_ct_flow_offload(get_ct_priv(priv),
                            spec, attr,
                            mod_hdr_acts);
     }
 
     if (!is_mdev_switchdev_mode(priv->mdev))
         return mlx5e_add_offloaded_nic_rule(priv, spec, attr);
 
     if (attr->flags & MLX5_ATTR_FLAG_SAMPLE)
         return mlx5e_tc_sample_offload(get_sample_priv(priv), spec, attr);
 
     if (is_flow_meter_action(attr)) {
         err = mlx5e_tc_add_flow_meter(priv, attr);
         if (err)
             return ERR_PTR(err);
     }
 
     return mlx5_eswitch_add_offloaded_rule(esw, spec, attr);
 }
 
 void
 mlx5e_tc_rule_unoffload(struct mlx5e_priv *priv,
             struct mlx5_flow_handle *rule,
             struct mlx5_flow_attr *attr)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 
     if (attr->flags & MLX5_ATTR_FLAG_CT) {
         mlx5_tc_ct_delete_flow(get_ct_priv(priv), attr);
         return;
     }
 
     if (!is_mdev_switchdev_mode(priv->mdev)) {
         mlx5e_del_offloaded_nic_rule(priv, rule, attr);
         return;
     }
 
     if (attr->flags & MLX5_ATTR_FLAG_SAMPLE) {
         mlx5e_tc_sample_unoffload(get_sample_priv(priv), rule, attr);
         return;
     }
 
     mlx5_eswitch_del_offloaded_rule(esw, rule, attr);
 
     if (attr->meter_attr.meter)
         mlx5e_tc_del_flow_meter(attr);
 }
 
 int
 mlx5e_tc_match_to_reg_set(struct mlx5_core_dev *mdev,
               struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts,
               enum mlx5_flow_namespace_type ns,
               enum mlx5e_tc_attr_to_reg type,
               u32 data)
 {
     int ret = mlx5e_tc_match_to_reg_set_and_get_id(mdev, mod_hdr_acts, ns, type, data);
 
     return ret < 0 ? ret : 0;
 }
 
 void mlx5e_tc_match_to_reg_mod_hdr_change(struct mlx5_core_dev *mdev,
                       struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts,
                       enum mlx5e_tc_attr_to_reg type,
                       int act_id, u32 data)
 {
     int moffset = mlx5e_tc_attr_to_reg_mappings[type].moffset;
     int mfield = mlx5e_tc_attr_to_reg_mappings[type].mfield;
     int mlen = mlx5e_tc_attr_to_reg_mappings[type].mlen;
     char *modact;
 
     modact = mlx5e_mod_hdr_get_item(mod_hdr_acts, act_id);
 
     /* Firmware has 5bit length field and 0 means 32bits */
     if (mlen == 32)
         mlen = 0;
 
     MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET);
     MLX5_SET(set_action_in, modact, field, mfield);
     MLX5_SET(set_action_in, modact, offset, moffset);
     MLX5_SET(set_action_in, modact, length, mlen);
     MLX5_SET(set_action_in, modact, data, data);
 }
 
 struct mlx5e_hairpin {
     struct mlx5_hairpin *pair;
 
     struct mlx5_core_dev *func_mdev;
     struct mlx5e_priv *func_priv;
     u32 tdn;
     struct mlx5e_tir direct_tir;
 
     int num_channels;
     struct mlx5e_rqt indir_rqt;
     struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
     struct mlx5_ttc_table *ttc;
 };
 
 struct mlx5e_hairpin_entry {
     /* a node of a hash table which keeps all the  hairpin entries */
     struct hlist_node hairpin_hlist;
 
     /* protects flows list */
     spinlock_t flows_lock;
     /* flows sharing the same hairpin */
     struct list_head flows;
     /* hpe's that were not fully initialized when dead peer update event
      * function traversed them.
      */
     struct list_head dead_peer_wait_list;
 
     u16 peer_vhca_id;
     u8 prio;
     struct mlx5e_hairpin *hp;
     refcount_t refcnt;
     struct completion res_ready;
 };
 
 static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow);
 
 struct mlx5e_tc_flow *mlx5e_flow_get(struct mlx5e_tc_flow *flow)
 {
     if (!flow || !refcount_inc_not_zero(&flow->refcnt))
         return ERR_PTR(-EINVAL);
     return flow;
 }
 
 void mlx5e_flow_put(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow)
 {
     if (refcount_dec_and_test(&flow->refcnt)) {
         mlx5e_tc_del_flow(priv, flow);
         kfree_rcu(flow, rcu_head);
     }
 }
 
 bool mlx5e_is_eswitch_flow(struct mlx5e_tc_flow *flow)
 {
     return flow_flag_test(flow, ESWITCH);
 }
 
 bool mlx5e_is_ft_flow(struct mlx5e_tc_flow *flow)
 {
     return flow_flag_test(flow, FT);
 }
 
 bool mlx5e_is_offloaded_flow(struct mlx5e_tc_flow *flow)
 {
     return flow_flag_test(flow, OFFLOADED);
 }
 
 int mlx5e_get_flow_namespace(struct mlx5e_tc_flow *flow)
 {
     return mlx5e_is_eswitch_flow(flow) ?
         MLX5_FLOW_NAMESPACE_FDB : MLX5_FLOW_NAMESPACE_KERNEL;
 }
 
 static struct mod_hdr_tbl *
 get_mod_hdr_table(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
 
     return mlx5e_get_flow_namespace(flow) == MLX5_FLOW_NAMESPACE_FDB ?
         &esw->offloads.mod_hdr :
         &priv->fs->tc->mod_hdr;
 }
 
 static int mlx5e_attach_mod_hdr(struct mlx5e_priv *priv,
                 struct mlx5e_tc_flow *flow,
                 struct mlx5e_tc_flow_parse_attr *parse_attr)
 {
     struct mlx5_modify_hdr *modify_hdr;
     struct mlx5e_mod_hdr_handle *mh;
 
     mh = mlx5e_mod_hdr_attach(priv->mdev, get_mod_hdr_table(priv, flow),
                   mlx5e_get_flow_namespace(flow),
                   &parse_attr->mod_hdr_acts);
     if (IS_ERR(mh))
         return PTR_ERR(mh);
 
     modify_hdr = mlx5e_mod_hdr_get(mh);
     flow->attr->modify_hdr = modify_hdr;
     flow->mh = mh;
 
     return 0;
 }
 
 static void mlx5e_detach_mod_hdr(struct mlx5e_priv *priv,
                  struct mlx5e_tc_flow *flow)
 {
     /* flow wasn't fully initialized */
     if (!flow->mh)
         return;
 
     mlx5e_mod_hdr_detach(priv->mdev, get_mod_hdr_table(priv, flow),
                  flow->mh);
     flow->mh = NULL;
 }
 
 static
 struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex)
 {
     struct mlx5_core_dev *mdev;
     struct net_device *netdev;
     struct mlx5e_priv *priv;
 
     netdev = dev_get_by_index(net, ifindex);
     if (!netdev)
         return ERR_PTR(-ENODEV);
 
     priv = netdev_priv(netdev);
     mdev = priv->mdev;
     dev_put(netdev);
 
     /* Mirred tc action holds a refcount on the ifindex net_device (see
      * net/sched/act_mirred.c:tcf_mirred_get_dev). So, it's okay to continue using mdev
      * after dev_put(netdev), while we're in the context of adding a tc flow.
      *
      * The mdev pointer corresponds to the peer/out net_device of a hairpin. It is then
      * stored in a hairpin object, which exists until all flows, that refer to it, get
      * removed.
      *
      * On the other hand, after a hairpin object has been created, the peer net_device may
      * be removed/unbound while there are still some hairpin flows that are using it. This
      * case is handled by mlx5e_tc_hairpin_update_dead_peer, which is hooked to
      * NETDEV_UNREGISTER event of the peer net_device.
      */
     return mdev;
 }
 
 static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp)
 {
     struct mlx5e_tir_builder *builder;
     int err;
 
     builder = mlx5e_tir_builder_alloc(false);
     if (!builder)
         return -ENOMEM;
 
     err = mlx5_core_alloc_transport_domain(hp->func_mdev, &hp->tdn);
     if (err)
         goto out;
 
     mlx5e_tir_builder_build_inline(builder, hp->tdn, hp->pair->rqn[0]);
     err = mlx5e_tir_init(&hp->direct_tir, builder, hp->func_mdev, false);
     if (err)
         goto create_tir_err;
 
 out:
     mlx5e_tir_builder_free(builder);
     return err;
 
 create_tir_err:
     mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn);
 
     goto out;
 }
 
 static void mlx5e_hairpin_destroy_transport(struct mlx5e_hairpin *hp)
 {
     mlx5e_tir_destroy(&hp->direct_tir);
     mlx5_core_dealloc_transport_domain(hp->func_mdev, hp->tdn);
 }
 
 static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp)
 {
     struct mlx5e_priv *priv = hp->func_priv;
     struct mlx5_core_dev *mdev = priv->mdev;
     struct mlx5e_rss_params_indir *indir;
     int err;
 
     indir = kvmalloc(sizeof(*indir), GFP_KERNEL);
     if (!indir)
         return -ENOMEM;
 
     mlx5e_rss_params_indir_init_uniform(indir, hp->num_channels);
     err = mlx5e_rqt_init_indir(&hp->indir_rqt, mdev, hp->pair->rqn, hp->num_channels,
                    mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc,
                    indir);
 
     kvfree(indir);
     return err;
 }
 
 static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp)
 {
     struct mlx5e_priv *priv = hp->func_priv;
     struct mlx5e_rss_params_hash rss_hash;
     enum mlx5_traffic_types tt, max_tt;
     struct mlx5e_tir_builder *builder;
     int err = 0;
 
     builder = mlx5e_tir_builder_alloc(false);
     if (!builder)
         return -ENOMEM;
 
     rss_hash = mlx5e_rx_res_get_current_hash(priv->rx_res);
 
     for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
         struct mlx5e_rss_params_traffic_type rss_tt;
 
         rss_tt = mlx5e_rss_get_default_tt_config(tt);
 
         mlx5e_tir_builder_build_rqt(builder, hp->tdn,
                         mlx5e_rqt_get_rqtn(&hp->indir_rqt),
                         false);
         mlx5e_tir_builder_build_rss(builder, &rss_hash, &rss_tt, false);
 
         err = mlx5e_tir_init(&hp->indir_tir[tt], builder, hp->func_mdev, false);
         if (err) {
             mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err);
             goto err_destroy_tirs;
         }
 
         mlx5e_tir_builder_clear(builder);
     }
 
 out:
     mlx5e_tir_builder_free(builder);
     return err;
 
 err_destroy_tirs:
     max_tt = tt;
     for (tt = 0; tt < max_tt; tt++)
         mlx5e_tir_destroy(&hp->indir_tir[tt]);
 
     goto out;
 }
 
 static void mlx5e_hairpin_destroy_indirect_tirs(struct mlx5e_hairpin *hp)
 {
     int tt;
 
     for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
         mlx5e_tir_destroy(&hp->indir_tir[tt]);
 }
 
 static void mlx5e_hairpin_set_ttc_params(struct mlx5e_hairpin *hp,
                      struct ttc_params *ttc_params)
 {
     struct mlx5_flow_table_attr *ft_attr = &ttc_params->ft_attr;
     int tt;
 
     memset(ttc_params, 0, sizeof(*ttc_params));
 
     ttc_params->ns = mlx5_get_flow_namespace(hp->func_mdev,
                          MLX5_FLOW_NAMESPACE_KERNEL);
     for (tt = 0; tt < MLX5_NUM_TT; tt++) {
         ttc_params->dests[tt].type = MLX5_FLOW_DESTINATION_TYPE_TIR;
         ttc_params->dests[tt].tir_num =
             tt == MLX5_TT_ANY ?
                 mlx5e_tir_get_tirn(&hp->direct_tir) :
                 mlx5e_tir_get_tirn(&hp->indir_tir[tt]);
     }
 
     ft_attr->level = MLX5E_TC_TTC_FT_LEVEL;
     ft_attr->prio = MLX5E_TC_PRIO;
 }
 
 static int mlx5e_hairpin_rss_init(struct mlx5e_hairpin *hp)
 {
     struct mlx5e_priv *priv = hp->func_priv;
     struct ttc_params ttc_params;
     int err;
 
     err = mlx5e_hairpin_create_indirect_rqt(hp);
     if (err)
         return err;
 
     err = mlx5e_hairpin_create_indirect_tirs(hp);
     if (err)
         goto err_create_indirect_tirs;
 
     mlx5e_hairpin_set_ttc_params(hp, &ttc_params);
     hp->ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params);
     if (IS_ERR(hp->ttc)) {
         err = PTR_ERR(hp->ttc);
         goto err_create_ttc_table;
     }
 
     netdev_dbg(priv->netdev, "add hairpin: using %d channels rss ttc table id %x\n",
            hp->num_channels,
            mlx5_get_ttc_flow_table(priv->fs->ttc)->id);
 
     return 0;
 
 err_create_ttc_table:
     mlx5e_hairpin_destroy_indirect_tirs(hp);
 err_create_indirect_tirs:
     mlx5e_rqt_destroy(&hp->indir_rqt);
 
     return err;
 }
 
 static void mlx5e_hairpin_rss_cleanup(struct mlx5e_hairpin *hp)
 {
     mlx5_destroy_ttc_table(hp->ttc);
     mlx5e_hairpin_destroy_indirect_tirs(hp);
     mlx5e_rqt_destroy(&hp->indir_rqt);
 }
 
 static struct mlx5e_hairpin *
 mlx5e_hairpin_create(struct mlx5e_priv *priv, struct mlx5_hairpin_params *params,
              int peer_ifindex)
 {
     struct mlx5_core_dev *func_mdev, *peer_mdev;
     struct mlx5e_hairpin *hp;
     struct mlx5_hairpin *pair;
     int err;
 
     hp = kzalloc(sizeof(*hp), GFP_KERNEL);
     if (!hp)
         return ERR_PTR(-ENOMEM);
 
     func_mdev = priv->mdev;
     peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex);
     if (IS_ERR(peer_mdev)) {
         err = PTR_ERR(peer_mdev);
         goto create_pair_err;
     }
 
     pair = mlx5_core_hairpin_create(func_mdev, peer_mdev, params);
     if (IS_ERR(pair)) {
         err = PTR_ERR(pair);
         goto create_pair_err;
     }
     hp->pair = pair;
     hp->func_mdev = func_mdev;
     hp->func_priv = priv;
     hp->num_channels = params->num_channels;
 
     err = mlx5e_hairpin_create_transport(hp);
     if (err)
         goto create_transport_err;
 
     if (hp->num_channels > 1) {
         err = mlx5e_hairpin_rss_init(hp);
         if (err)
             goto rss_init_err;
     }
 
     return hp;
 
 rss_init_err:
     mlx5e_hairpin_destroy_transport(hp);
 create_transport_err:
     mlx5_core_hairpin_destroy(hp->pair);
 create_pair_err:
     kfree(hp);
     return ERR_PTR(err);
 }
 
 static void mlx5e_hairpin_destroy(struct mlx5e_hairpin *hp)
 {
     if (hp->num_channels > 1)
         mlx5e_hairpin_rss_cleanup(hp);
     mlx5e_hairpin_destroy_transport(hp);
     mlx5_core_hairpin_destroy(hp->pair);
     kvfree(hp);
 }
 
 static inline u32 hash_hairpin_info(u16 peer_vhca_id, u8 prio)
 {
     return (peer_vhca_id << 16 | prio);
 }
 
 static struct mlx5e_hairpin_entry *mlx5e_hairpin_get(struct mlx5e_priv *priv,
                              u16 peer_vhca_id, u8 prio)
 {
     struct mlx5e_hairpin_entry *hpe;
     u32 hash_key = hash_hairpin_info(peer_vhca_id, prio);
 
     hash_for_each_possible(priv->fs->tc->hairpin_tbl, hpe,
                    hairpin_hlist, hash_key) {
         if (hpe->peer_vhca_id == peer_vhca_id && hpe->prio == prio) {
             refcount_inc(&hpe->refcnt);
             return hpe;
         }
     }
 
     return NULL;
 }
 
 static void mlx5e_hairpin_put(struct mlx5e_priv *priv,
                   struct mlx5e_hairpin_entry *hpe)
 {
     /* no more hairpin flows for us, release the hairpin pair */
     if (!refcount_dec_and_mutex_lock(&hpe->refcnt, &priv->fs->tc->hairpin_tbl_lock))
         return;
     hash_del(&hpe->hairpin_hlist);
     mutex_unlock(&priv->fs->tc->hairpin_tbl_lock);
 
     if (!IS_ERR_OR_NULL(hpe->hp)) {
         netdev_dbg(priv->netdev, "del hairpin: peer %s\n",
                dev_name(hpe->hp->pair->peer_mdev->device));
 
         mlx5e_hairpin_destroy(hpe->hp);
     }
 
     WARN_ON(!list_empty(&hpe->flows));
     kfree(hpe);
 }
 
 #define UNKNOWN_MATCH_PRIO 8
 
 static int mlx5e_hairpin_get_prio(struct mlx5e_priv *priv,
                   struct mlx5_flow_spec *spec, u8 *match_prio,
                   struct netlink_ext_ack *extack)
 {
     void *headers_c, *headers_v;
     u8 prio_val, prio_mask = 0;
     bool vlan_present;
 
 #ifdef CONFIG_MLX5_CORE_EN_DCB
     if (priv->dcbx_dp.trust_state != MLX5_QPTS_TRUST_PCP) {
         NL_SET_ERR_MSG_MOD(extack,
                    "only PCP trust state supported for hairpin");
         return -EOPNOTSUPP;
     }
 #endif
     headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, outer_headers);
     headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers);
 
     vlan_present = MLX5_GET(fte_match_set_lyr_2_4, headers_v, cvlan_tag);
     if (vlan_present) {
         prio_mask = MLX5_GET(fte_match_set_lyr_2_4, headers_c, first_prio);
         prio_val = MLX5_GET(fte_match_set_lyr_2_4, headers_v, first_prio);
     }
 
     if (!vlan_present || !prio_mask) {
         prio_val = UNKNOWN_MATCH_PRIO;
     } else if (prio_mask != 0x7) {
         NL_SET_ERR_MSG_MOD(extack,
                    "masked priority match not supported for hairpin");
         return -EOPNOTSUPP;
     }
 
     *match_prio = prio_val;
     return 0;
 }
 
 static int mlx5e_hairpin_flow_add(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow,
                   struct mlx5e_tc_flow_parse_attr *parse_attr,
                   struct netlink_ext_ack *extack)
 {
     int peer_ifindex = parse_attr->mirred_ifindex[0];
     struct mlx5_hairpin_params params;
     struct mlx5_core_dev *peer_mdev;
     struct mlx5e_hairpin_entry *hpe;
     struct mlx5e_hairpin *hp;
     u64 link_speed64;
     u32 link_speed;
     u8 match_prio;
     u16 peer_id;
     int err;
 
     peer_mdev = mlx5e_hairpin_get_mdev(dev_net(priv->netdev), peer_ifindex);
     if (IS_ERR(peer_mdev)) {
         NL_SET_ERR_MSG_MOD(extack, "invalid ifindex of mirred device");
         return PTR_ERR(peer_mdev);
     }
 
     if (!MLX5_CAP_GEN(priv->mdev, hairpin) || !MLX5_CAP_GEN(peer_mdev, hairpin)) {
         NL_SET_ERR_MSG_MOD(extack, "hairpin is not supported");
         return -EOPNOTSUPP;
     }
 
     peer_id = MLX5_CAP_GEN(peer_mdev, vhca_id);
     err = mlx5e_hairpin_get_prio(priv, &parse_attr->spec, &match_prio,
                      extack);
     if (err)
         return err;
 
     mutex_lock(&priv->fs->tc->hairpin_tbl_lock);
     hpe = mlx5e_hairpin_get(priv, peer_id, match_prio);
     if (hpe) {
         mutex_unlock(&priv->fs->tc->hairpin_tbl_lock);
         wait_for_completion(&hpe->res_ready);
 
         if (IS_ERR(hpe->hp)) {
             err = -EREMOTEIO;
             goto out_err;
         }
         goto attach_flow;
     }
 
     hpe = kzalloc(sizeof(*hpe), GFP_KERNEL);
     if (!hpe) {
         mutex_unlock(&priv->fs->tc->hairpin_tbl_lock);
         return -ENOMEM;
     }
 
     spin_lock_init(&hpe->flows_lock);
     INIT_LIST_HEAD(&hpe->flows);
     INIT_LIST_HEAD(&hpe->dead_peer_wait_list);
     hpe->peer_vhca_id = peer_id;
     hpe->prio = match_prio;
     refcount_set(&hpe->refcnt, 1);
     init_completion(&hpe->res_ready);
 
     hash_add(priv->fs->tc->hairpin_tbl, &hpe->hairpin_hlist,
          hash_hairpin_info(peer_id, match_prio));
     mutex_unlock(&priv->fs->tc->hairpin_tbl_lock);
 
     params.log_data_size = 16;
     params.log_data_size = min_t(u8, params.log_data_size,
                      MLX5_CAP_GEN(priv->mdev, log_max_hairpin_wq_data_sz));
     params.log_data_size = max_t(u8, params.log_data_size,
                      MLX5_CAP_GEN(priv->mdev, log_min_hairpin_wq_data_sz));
 
     params.log_num_packets = params.log_data_size -
                  MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(priv->mdev);
     params.log_num_packets = min_t(u8, params.log_num_packets,
                        MLX5_CAP_GEN(priv->mdev, log_max_hairpin_num_packets));
 
     params.q_counter = priv->q_counter;
     /* set hairpin pair per each 50Gbs share of the link */
     mlx5e_port_max_linkspeed(priv->mdev, &link_speed);
     link_speed = max_t(u32, link_speed, 50000);
     link_speed64 = link_speed;
     do_div(link_speed64, 50000);
     params.num_channels = link_speed64;
 
     hp = mlx5e_hairpin_create(priv, &params, peer_ifindex);
     hpe->hp = hp;
     complete_all(&hpe->res_ready);
     if (IS_ERR(hp)) {
         err = PTR_ERR(hp);
         goto out_err;
     }
 
     netdev_dbg(priv->netdev, "add hairpin: tirn %x rqn %x peer %s sqn %x prio %d (log) data %d packets %d\n",
            mlx5e_tir_get_tirn(&hp->direct_tir), hp->pair->rqn[0],
            dev_name(hp->pair->peer_mdev->device),
            hp->pair->sqn[0], match_prio, params.log_data_size, params.log_num_packets);
 
 attach_flow:
     if (hpe->hp->num_channels > 1) {
         flow_flag_set(flow, HAIRPIN_RSS);
         flow->attr->nic_attr->hairpin_ft =
             mlx5_get_ttc_flow_table(hpe->hp->ttc);
     } else {
         flow->attr->nic_attr->hairpin_tirn = mlx5e_tir_get_tirn(&hpe->hp->direct_tir);
     }
 
     flow->hpe = hpe;
     spin_lock(&hpe->flows_lock);
     list_add(&flow->hairpin, &hpe->flows);
     spin_unlock(&hpe->flows_lock);
 
     return 0;
 
 out_err:
     mlx5e_hairpin_put(priv, hpe);
     return err;
 }
 
 static void mlx5e_hairpin_flow_del(struct mlx5e_priv *priv,
                    struct mlx5e_tc_flow *flow)
 {
     /* flow wasn't fully initialized */
     if (!flow->hpe)
         return;
 
     spin_lock(&flow->hpe->flows_lock);
     list_del(&flow->hairpin);
     spin_unlock(&flow->hpe->flows_lock);
 
     mlx5e_hairpin_put(priv, flow->hpe);
     flow->hpe = NULL;
 }
 
 struct mlx5_flow_handle *
 mlx5e_add_offloaded_nic_rule(struct mlx5e_priv *priv,
                  struct mlx5_flow_spec *spec,
                  struct mlx5_flow_attr *attr)
 {
     struct mlx5_flow_context *flow_context = &spec->flow_context;
     struct mlx5_nic_flow_attr *nic_attr = attr->nic_attr;
     struct mlx5e_tc_table *tc = priv->fs->tc;
     struct mlx5_flow_destination dest[2] = {};
     struct mlx5_fs_chains *nic_chains;
     struct mlx5_flow_act flow_act = {
         .action = attr->action,
         .flags    = FLOW_ACT_NO_APPEND,
     };
     struct mlx5_flow_handle *rule;
     struct mlx5_flow_table *ft;
     int dest_ix = 0;
 
     nic_chains = mlx5e_nic_chains(tc);
     flow_context->flags |= FLOW_CONTEXT_HAS_TAG;
     flow_context->flow_tag = nic_attr->flow_tag;
 
     if (attr->dest_ft) {
         dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
         dest[dest_ix].ft = attr->dest_ft;
         dest_ix++;
     } else if (nic_attr->hairpin_ft) {
         dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
         dest[dest_ix].ft = nic_attr->hairpin_ft;
         dest_ix++;
     } else if (nic_attr->hairpin_tirn) {
         dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_TIR;
         dest[dest_ix].tir_num = nic_attr->hairpin_tirn;
         dest_ix++;
     } else if (attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
         dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
         if (attr->dest_chain) {
             dest[dest_ix].ft = mlx5_chains_get_table(nic_chains,
                                  attr->dest_chain, 1,
                                  MLX5E_TC_FT_LEVEL);
             if (IS_ERR(dest[dest_ix].ft))
                 return ERR_CAST(dest[dest_ix].ft);
         } else {
             dest[dest_ix].ft = mlx5e_vlan_get_flowtable(priv->fs->vlan);
         }
         dest_ix++;
     }
 
     if (dest[0].type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE &&
         MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level))
         flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL;
 
     if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
         dest[dest_ix].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
         dest[dest_ix].counter_id = mlx5_fc_id(attr->counter);
         dest_ix++;
     }
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
         flow_act.modify_hdr = attr->modify_hdr;
 
     mutex_lock(&tc->t_lock);
     if (IS_ERR_OR_NULL(tc->t)) {
         /* Create the root table here if doesn't exist yet */
         tc->t =
             mlx5_chains_get_table(nic_chains, 0, 1, MLX5E_TC_FT_LEVEL);
 
         if (IS_ERR(tc->t)) {
             mutex_unlock(&tc->t_lock);
             netdev_err(priv->netdev,
                    "Failed to create tc offload table\n");
             rule = ERR_CAST(priv->fs->tc->t);
             goto err_ft_get;
         }
     }
     mutex_unlock(&tc->t_lock);
 
     if (attr->chain || attr->prio)
         ft = mlx5_chains_get_table(nic_chains,
                        attr->chain, attr->prio,
                        MLX5E_TC_FT_LEVEL);
     else
         ft = attr->ft;
 
     if (IS_ERR(ft)) {
         rule = ERR_CAST(ft);
         goto err_ft_get;
     }
 
     if (attr->outer_match_level != MLX5_MATCH_NONE)
         spec->match_criteria_enable |= MLX5_MATCH_OUTER_HEADERS;
 
     rule = mlx5_add_flow_rules(ft, spec,
                    &flow_act, dest, dest_ix);
     if (IS_ERR(rule))
         goto err_rule;
 
     return rule;
 
 err_rule:
     if (attr->chain || attr->prio)
         mlx5_chains_put_table(nic_chains,
                       attr->chain, attr->prio,
                       MLX5E_TC_FT_LEVEL);
 err_ft_get:
     if (attr->dest_chain)
         mlx5_chains_put_table(nic_chains,
                       attr->dest_chain, 1,
                       MLX5E_TC_FT_LEVEL);
 
     return ERR_CAST(rule);
 }
 
 static int
 alloc_flow_attr_counter(struct mlx5_core_dev *counter_dev,
             struct mlx5_flow_attr *attr)
 
 {
     struct mlx5_fc *counter;
 
     counter = mlx5_fc_create(counter_dev, true);
     if (IS_ERR(counter))
         return PTR_ERR(counter);
 
     attr->counter = counter;
     return 0;
 }
 
 static int
 mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
               struct mlx5e_tc_flow *flow,
               struct netlink_ext_ack *extack)
 {
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5_flow_attr *attr = flow->attr;
     struct mlx5_core_dev *dev = priv->mdev;
     int err;
 
     parse_attr = attr->parse_attr;
 
     if (flow_flag_test(flow, HAIRPIN)) {
         err = mlx5e_hairpin_flow_add(priv, flow, parse_attr, extack);
         if (err)
             return err;
     }
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
         err = alloc_flow_attr_counter(dev, attr);
         if (err)
             return err;
     }
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
         err = mlx5e_attach_mod_hdr(priv, flow, parse_attr);
         mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts);
         if (err)
             return err;
     }
 
     if (attr->flags & MLX5_ATTR_FLAG_CT)
         flow->rule[0] = mlx5_tc_ct_flow_offload(get_ct_priv(priv), &parse_attr->spec,
                             attr, &parse_attr->mod_hdr_acts);
     else
         flow->rule[0] = mlx5e_add_offloaded_nic_rule(priv, &parse_attr->spec,
                                  attr);
 
     return PTR_ERR_OR_ZERO(flow->rule[0]);
 }
 
 void mlx5e_del_offloaded_nic_rule(struct mlx5e_priv *priv,
                   struct mlx5_flow_handle *rule,
                   struct mlx5_flow_attr *attr)
 {
     struct mlx5_fs_chains *nic_chains = mlx5e_nic_chains(priv->fs->tc);
 
     mlx5_del_flow_rules(rule);
 
     if (attr->chain || attr->prio)
         mlx5_chains_put_table(nic_chains, attr->chain, attr->prio,
                       MLX5E_TC_FT_LEVEL);
 
     if (attr->dest_chain)
         mlx5_chains_put_table(nic_chains, attr->dest_chain, 1,
                       MLX5E_TC_FT_LEVEL);
 }
 
 static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow)
 {
     struct mlx5_flow_attr *attr = flow->attr;
     struct mlx5e_tc_table *tc = priv->fs->tc;
 
     flow_flag_clear(flow, OFFLOADED);
 
     if (attr->flags & MLX5_ATTR_FLAG_CT)
         mlx5_tc_ct_delete_flow(get_ct_priv(flow->priv), attr);
     else if (!IS_ERR_OR_NULL(flow->rule[0]))
         mlx5e_del_offloaded_nic_rule(priv, flow->rule[0], attr);
 
     /* Remove root table if no rules are left to avoid
      * extra steering hops.
      */
     mutex_lock(&priv->fs->tc->t_lock);
     if (!mlx5e_tc_num_filters(priv, MLX5_TC_FLAG(NIC_OFFLOAD)) &&
         !IS_ERR_OR_NULL(tc->t)) {
         mlx5_chains_put_table(mlx5e_nic_chains(tc), 0, 1, MLX5E_TC_FT_LEVEL);
         priv->fs->tc->t = NULL;
     }
     mutex_unlock(&priv->fs->tc->t_lock);
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
         mlx5e_detach_mod_hdr(priv, flow);
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
         mlx5_fc_destroy(priv->mdev, attr->counter);
 
     if (flow_flag_test(flow, HAIRPIN))
         mlx5e_hairpin_flow_del(priv, flow);
 
     free_flow_post_acts(flow);
 
     kvfree(attr->parse_attr);
     kfree(flow->attr);
 }
 
 struct mlx5_flow_handle *
 mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw,
                struct mlx5e_tc_flow *flow,
                struct mlx5_flow_spec *spec,
                struct mlx5_flow_attr *attr)
 {
     struct mlx5_flow_handle *rule;
 
     if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH)
         return mlx5_eswitch_add_offloaded_rule(esw, spec, attr);
 
     rule = mlx5e_tc_rule_offload(flow->priv, spec, attr);
 
     if (IS_ERR(rule))
         return rule;
 
     if (attr->esw_attr->split_count) {
         flow->rule[1] = mlx5_eswitch_add_fwd_rule(esw, spec, attr);
         if (IS_ERR(flow->rule[1]))
             goto err_rule1;
     }
 
     return rule;
 
 err_rule1:
     mlx5e_tc_rule_unoffload(flow->priv, rule, attr);
     return flow->rule[1];
 }
 
 void mlx5e_tc_unoffload_fdb_rules(struct mlx5_eswitch *esw,
                   struct mlx5e_tc_flow *flow,
                   struct mlx5_flow_attr *attr)
 {
     flow_flag_clear(flow, OFFLOADED);
 
     if (attr->flags & MLX5_ATTR_FLAG_SLOW_PATH)
         return mlx5_eswitch_del_offloaded_rule(esw, flow->rule[0], attr);
 
     if (attr->esw_attr->split_count)
         mlx5_eswitch_del_fwd_rule(esw, flow->rule[1], attr);
 
     mlx5e_tc_rule_unoffload(flow->priv, flow->rule[0], attr);
 }
 
 struct mlx5_flow_handle *
 mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw,
                   struct mlx5e_tc_flow *flow,
                   struct mlx5_flow_spec *spec)
 {
     struct mlx5_flow_attr *slow_attr;
     struct mlx5_flow_handle *rule;
 
     slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB);
     if (!slow_attr)
         return ERR_PTR(-ENOMEM);
 
     memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ);
     slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
     slow_attr->esw_attr->split_count = 0;
     slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH;
 
     rule = mlx5e_tc_offload_fdb_rules(esw, flow, spec, slow_attr);
     if (!IS_ERR(rule))
         flow_flag_set(flow, SLOW);
 
     kfree(slow_attr);
 
     return rule;
 }
 
 void mlx5e_tc_unoffload_from_slow_path(struct mlx5_eswitch *esw,
                        struct mlx5e_tc_flow *flow)
 {
     struct mlx5_flow_attr *slow_attr;
 
     slow_attr = mlx5_alloc_flow_attr(MLX5_FLOW_NAMESPACE_FDB);
     if (!slow_attr) {
         mlx5_core_warn(flow->priv->mdev, "Unable to alloc attr to unoffload slow path rule\n");
         return;
     }
 
     memcpy(slow_attr, flow->attr, ESW_FLOW_ATTR_SZ);
     slow_attr->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
     slow_attr->esw_attr->split_count = 0;
     slow_attr->flags |= MLX5_ATTR_FLAG_SLOW_PATH;
     mlx5e_tc_unoffload_fdb_rules(esw, flow, slow_attr);
     flow_flag_clear(flow, SLOW);
     kfree(slow_attr);
 }
 
 /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this
  * function.
  */
 static void unready_flow_add(struct mlx5e_tc_flow *flow,
                  struct list_head *unready_flows)
 {
     flow_flag_set(flow, NOT_READY);
     list_add_tail(&flow->unready, unready_flows);
 }
 
 /* Caller must obtain uplink_priv->unready_flows_lock mutex before calling this
  * function.
  */
 static void unready_flow_del(struct mlx5e_tc_flow *flow)
 {
     list_del(&flow->unready);
     flow_flag_clear(flow, NOT_READY);
 }
 
 static void add_unready_flow(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *rpriv;
     struct mlx5_eswitch *esw;
 
     esw = flow->priv->mdev->priv.eswitch;
     rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
     uplink_priv = &rpriv->uplink_priv;
 
     mutex_lock(&uplink_priv->unready_flows_lock);
     unready_flow_add(flow, &uplink_priv->unready_flows);
     mutex_unlock(&uplink_priv->unready_flows_lock);
 }
 
 static void remove_unready_flow(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *rpriv;
     struct mlx5_eswitch *esw;
 
     esw = flow->priv->mdev->priv.eswitch;
     rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
     uplink_priv = &rpriv->uplink_priv;
 
     mutex_lock(&uplink_priv->unready_flows_lock);
     unready_flow_del(flow);
     mutex_unlock(&uplink_priv->unready_flows_lock);
 }
 
 bool mlx5e_tc_is_vf_tunnel(struct net_device *out_dev, struct net_device *route_dev)
 {
     struct mlx5_core_dev *out_mdev, *route_mdev;
     struct mlx5e_priv *out_priv, *route_priv;
 
     out_priv = netdev_priv(out_dev);
     out_mdev = out_priv->mdev;
     route_priv = netdev_priv(route_dev);
     route_mdev = route_priv->mdev;
 
     if (out_mdev->coredev_type != MLX5_COREDEV_PF ||
         route_mdev->coredev_type != MLX5_COREDEV_VF)
         return false;
 
     return mlx5e_same_hw_devs(out_priv, route_priv);
 }
 
 int mlx5e_tc_query_route_vport(struct net_device *out_dev, struct net_device *route_dev, u16 *vport)
 {
     struct mlx5e_priv *out_priv, *route_priv;
     struct mlx5_devcom *devcom = NULL;
     struct mlx5_core_dev *route_mdev;
     struct mlx5_eswitch *esw;
     u16 vhca_id;
     int err;
 
     out_priv = netdev_priv(out_dev);
     esw = out_priv->mdev->priv.eswitch;
     route_priv = netdev_priv(route_dev);
     route_mdev = route_priv->mdev;
 
     vhca_id = MLX5_CAP_GEN(route_mdev, vhca_id);
     if (mlx5_lag_is_active(out_priv->mdev)) {
         /* In lag case we may get devices from different eswitch instances.
          * If we failed to get vport num, it means, mostly, that we on the wrong
          * eswitch.
          */
         err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport);
         if (err != -ENOENT)
             return err;
 
         devcom = out_priv->mdev->priv.devcom;
         esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
         if (!esw)
             return -ENODEV;
     }
 
     err = mlx5_eswitch_vhca_id_to_vport(esw, vhca_id, vport);
     if (devcom)
         mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
     return err;
 }
 
 int mlx5e_tc_add_flow_mod_hdr(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow,
                   struct mlx5_flow_attr *attr)
 {
     struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts = &attr->parse_attr->mod_hdr_acts;
     struct mlx5_modify_hdr *mod_hdr;
 
     mod_hdr = mlx5_modify_header_alloc(priv->mdev,
                        mlx5e_get_flow_namespace(flow),
                        mod_hdr_acts->num_actions,
                        mod_hdr_acts->actions);
     if (IS_ERR(mod_hdr))
         return PTR_ERR(mod_hdr);
 
     WARN_ON(attr->modify_hdr);
     attr->modify_hdr = mod_hdr;
 
     return 0;
 }
 
 static int
 set_encap_dests(struct mlx5e_priv *priv,
         struct mlx5e_tc_flow *flow,
         struct mlx5_flow_attr *attr,
         struct netlink_ext_ack *extack,
         bool *encap_valid,
         bool *vf_tun)
 {
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5_esw_flow_attr *esw_attr;
     struct net_device *encap_dev = NULL;
     struct mlx5e_rep_priv *rpriv;
     struct mlx5e_priv *out_priv;
     int out_index;
     int err = 0;
 
     if (!mlx5e_is_eswitch_flow(flow))
         return 0;
 
     parse_attr = attr->parse_attr;
     esw_attr = attr->esw_attr;
     *vf_tun = false;
     *encap_valid = true;
 
     for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) {
         struct net_device *out_dev;
         int mirred_ifindex;
 
         if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP))
             continue;
 
         mirred_ifindex = parse_attr->mirred_ifindex[out_index];
         out_dev = dev_get_by_index(dev_net(priv->netdev), mirred_ifindex);
         if (!out_dev) {
             NL_SET_ERR_MSG_MOD(extack, "Requested mirred device not found");
             err = -ENODEV;
             goto out;
         }
         err = mlx5e_attach_encap(priv, flow, attr, out_dev, out_index,
                      extack, &encap_dev, encap_valid);
         dev_put(out_dev);
         if (err)
             goto out;
 
         if (esw_attr->dests[out_index].flags &
             MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE &&
             !esw_attr->dest_int_port)
             *vf_tun = true;
 
         out_priv = netdev_priv(encap_dev);
         rpriv = out_priv->ppriv;
         esw_attr->dests[out_index].rep = rpriv->rep;
         esw_attr->dests[out_index].mdev = out_priv->mdev;
     }
 
     if (*vf_tun && esw_attr->out_count > 1) {
         NL_SET_ERR_MSG_MOD(extack, "VF tunnel encap with mirroring is not supported");
         err = -EOPNOTSUPP;
         goto out;
     }
 
 out:
     return err;
 }
 
 static void
 clean_encap_dests(struct mlx5e_priv *priv,
           struct mlx5e_tc_flow *flow,
           struct mlx5_flow_attr *attr,
           bool *vf_tun)
 {
     struct mlx5_esw_flow_attr *esw_attr;
     int out_index;
 
     if (!mlx5e_is_eswitch_flow(flow))
         return;
 
     esw_attr = attr->esw_attr;
     *vf_tun = false;
 
     for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) {
         if (!(esw_attr->dests[out_index].flags & MLX5_ESW_DEST_ENCAP))
             continue;
 
         if (esw_attr->dests[out_index].flags &
             MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE &&
             !esw_attr->dest_int_port)
             *vf_tun = true;
 
         mlx5e_detach_encap(priv, flow, attr, out_index);
         kfree(attr->parse_attr->tun_info[out_index]);
     }
 }
 
 static int
 mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
               struct mlx5e_tc_flow *flow,
               struct netlink_ext_ack *extack)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5_flow_attr *attr = flow->attr;
     struct mlx5_esw_flow_attr *esw_attr;
     bool vf_tun, encap_valid;
     u32 max_prio, max_chain;
     int err = 0;
 
     parse_attr = attr->parse_attr;
     esw_attr = attr->esw_attr;
 
     /* We check chain range only for tc flows.
      * For ft flows, we checked attr->chain was originally 0 and set it to
      * FDB_FT_CHAIN which is outside tc range.
      * See mlx5e_rep_setup_ft_cb().
      */
     max_chain = mlx5_chains_get_chain_range(esw_chains(esw));
     if (!mlx5e_is_ft_flow(flow) && attr->chain > max_chain) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Requested chain is out of supported range");
         err = -EOPNOTSUPP;
         goto err_out;
     }
 
     max_prio = mlx5_chains_get_prio_range(esw_chains(esw));
     if (attr->prio > max_prio) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Requested priority is out of supported range");
         err = -EOPNOTSUPP;
         goto err_out;
     }
 
     if (flow_flag_test(flow, TUN_RX)) {
         err = mlx5e_attach_decap_route(priv, flow);
         if (err)
             goto err_out;
 
         if (!attr->chain && esw_attr->int_port &&
             attr->action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
             /* If decap route device is internal port, change the
              * source vport value in reg_c0 back to uplink just in
              * case the rule performs goto chain > 0. If we have a miss
              * on chain > 0 we want the metadata regs to hold the
              * chain id so SW will resume handling of this packet
              * from the proper chain.
              */
             u32 metadata = mlx5_eswitch_get_vport_metadata_for_set(esw,
                                     esw_attr->in_rep->vport);
 
             err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts,
                             MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG,
                             metadata);
             if (err)
                 goto err_out;
 
             attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
         }
     }
 
     if (flow_flag_test(flow, L3_TO_L2_DECAP)) {
         err = mlx5e_attach_decap(priv, flow, extack);
         if (err)
             goto err_out;
     }
 
     if (netif_is_ovs_master(parse_attr->filter_dev)) {
         struct mlx5e_tc_int_port *int_port;
 
         if (attr->chain) {
             NL_SET_ERR_MSG_MOD(extack,
                        "Internal port rule is only supported on chain 0");
             err = -EOPNOTSUPP;
             goto err_out;
         }
 
         if (attr->dest_chain) {
             NL_SET_ERR_MSG_MOD(extack,
                        "Internal port rule offload doesn't support goto action");
             err = -EOPNOTSUPP;
             goto err_out;
         }
 
         int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv),
                          parse_attr->filter_dev->ifindex,
                          flow_flag_test(flow, EGRESS) ?
                          MLX5E_TC_INT_PORT_EGRESS :
                          MLX5E_TC_INT_PORT_INGRESS);
         if (IS_ERR(int_port)) {
             err = PTR_ERR(int_port);
             goto err_out;
         }
 
         esw_attr->int_port = int_port;
     }
 
     err = set_encap_dests(priv, flow, attr, extack, &encap_valid, &vf_tun);
     if (err)
         goto err_out;
 
     err = mlx5_eswitch_add_vlan_action(esw, attr);
     if (err)
         goto err_out;
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
         if (vf_tun) {
             err = mlx5e_tc_add_flow_mod_hdr(priv, flow, attr);
             if (err)
                 goto err_out;
         } else {
             err = mlx5e_attach_mod_hdr(priv, flow, parse_attr);
             if (err)
                 goto err_out;
         }
     }
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
         err = alloc_flow_attr_counter(esw_attr->counter_dev, attr);
         if (err)
             goto err_out;
     }
 
     /* we get here if one of the following takes place:
      * (1) there's no error
      * (2) there's an encap action and we don't have valid neigh
      */
     if (!encap_valid || flow_flag_test(flow, SLOW))
         flow->rule[0] = mlx5e_tc_offload_to_slow_path(esw, flow, &parse_attr->spec);
     else
         flow->rule[0] = mlx5e_tc_offload_fdb_rules(esw, flow, &parse_attr->spec, attr);
 
     if (IS_ERR(flow->rule[0])) {
         err = PTR_ERR(flow->rule[0]);
         goto err_out;
     }
     flow_flag_set(flow, OFFLOADED);
 
     return 0;
 
 err_out:
     flow_flag_set(flow, FAILED);
     return err;
 }
 
 static bool mlx5_flow_has_geneve_opt(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_flow_spec *spec = &flow->attr->parse_attr->spec;
     void *headers_v = MLX5_ADDR_OF(fte_match_param,
                        spec->match_value,
                        misc_parameters_3);
     u32 geneve_tlv_opt_0_data = MLX5_GET(fte_match_set_misc3,
                          headers_v,
                          geneve_tlv_option_0_data);
 
     return !!geneve_tlv_opt_0_data;
 }
 
 static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5_flow_attr *attr = flow->attr;
     struct mlx5_esw_flow_attr *esw_attr;
     bool vf_tun;
 
     esw_attr = attr->esw_attr;
     mlx5e_put_flow_tunnel_id(flow);
 
     if (flow_flag_test(flow, NOT_READY))
         remove_unready_flow(flow);
 
     if (mlx5e_is_offloaded_flow(flow)) {
         if (flow_flag_test(flow, SLOW))
             mlx5e_tc_unoffload_from_slow_path(esw, flow);
         else
             mlx5e_tc_unoffload_fdb_rules(esw, flow, attr);
     }
     complete_all(&flow->del_hw_done);
 
     if (mlx5_flow_has_geneve_opt(flow))
         mlx5_geneve_tlv_option_del(priv->mdev->geneve);
 
     mlx5_eswitch_del_vlan_action(esw, attr);
 
     if (flow->decap_route)
         mlx5e_detach_decap_route(priv, flow);
 
     clean_encap_dests(priv, flow, attr, &vf_tun);
 
     mlx5_tc_ct_match_del(get_ct_priv(priv), &flow->attr->ct_attr);
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
         mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts);
         if (vf_tun && attr->modify_hdr)
             mlx5_modify_header_dealloc(priv->mdev, attr->modify_hdr);
         else
             mlx5e_detach_mod_hdr(priv, flow);
     }
 
     if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
         mlx5_fc_destroy(esw_attr->counter_dev, attr->counter);
 
     if (esw_attr->int_port)
         mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->int_port);
 
     if (esw_attr->dest_int_port)
         mlx5e_tc_int_port_put(mlx5e_get_int_port_priv(priv), esw_attr->dest_int_port);
 
     if (flow_flag_test(flow, L3_TO_L2_DECAP))
         mlx5e_detach_decap(priv, flow);
 
     free_flow_post_acts(flow);
 
     if (flow->attr->lag.count)
         mlx5_lag_del_mpesw_rule(esw->dev);
 
     kvfree(attr->esw_attr->rx_tun_attr);
     kvfree(attr->parse_attr);
     kfree(flow->attr);
 }
 
 struct mlx5_fc *mlx5e_tc_get_counter(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_flow_attr *attr;
 
     attr = list_first_entry(&flow->attrs, struct mlx5_flow_attr, list);
     return attr->counter;
 }
 
 /* Iterate over tmp_list of flows attached to flow_list head. */
 void mlx5e_put_flow_list(struct mlx5e_priv *priv, struct list_head *flow_list)
 {
     struct mlx5e_tc_flow *flow, *tmp;
 
     list_for_each_entry_safe(flow, tmp, flow_list, tmp_list)
         mlx5e_flow_put(priv, flow);
 }
 
 static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch;
 
     if (!flow_flag_test(flow, ESWITCH) ||
         !flow_flag_test(flow, DUP))
         return;
 
     mutex_lock(&esw->offloads.peer_mutex);
     list_del(&flow->peer);
     mutex_unlock(&esw->offloads.peer_mutex);
 
     flow_flag_clear(flow, DUP);
 
     if (refcount_dec_and_test(&flow->peer_flow->refcnt)) {
         mlx5e_tc_del_fdb_flow(flow->peer_flow->priv, flow->peer_flow);
         kfree(flow->peer_flow);
     }
 
     flow->peer_flow = NULL;
 }
 
 static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_core_dev *dev = flow->priv->mdev;
     struct mlx5_devcom *devcom = dev->priv.devcom;
     struct mlx5_eswitch *peer_esw;
 
     peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
     if (!peer_esw)
         return;
 
     __mlx5e_tc_del_fdb_peer_flow(flow);
     mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
 }
 
 static void mlx5e_tc_del_flow(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow)
 {
     if (mlx5e_is_eswitch_flow(flow)) {
         mlx5e_tc_del_fdb_peer_flow(flow);
         mlx5e_tc_del_fdb_flow(priv, flow);
     } else {
         mlx5e_tc_del_nic_flow(priv, flow);
     }
 }
 
 static bool flow_requires_tunnel_mapping(u32 chain, struct flow_cls_offload *f)
 {
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct flow_action *flow_action = &rule->action;
     const struct flow_action_entry *act;
     int i;
 
     if (chain)
         return false;
 
     flow_action_for_each(i, act, flow_action) {
         switch (act->id) {
         case FLOW_ACTION_GOTO:
             return true;
         case FLOW_ACTION_SAMPLE:
             return true;
         default:
             continue;
         }
     }
 
     return false;
 }
 
 static int
 enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv,
                     struct flow_dissector_key_enc_opts *opts,
                     struct netlink_ext_ack *extack,
                     bool *dont_care)
 {
     struct geneve_opt *opt;
     int off = 0;
 
     *dont_care = true;
 
     while (opts->len > off) {
         opt = (struct geneve_opt *)&opts->data[off];
 
         if (!(*dont_care) || opt->opt_class || opt->type ||
             memchr_inv(opt->opt_data, 0, opt->length * 4)) {
             *dont_care = false;
 
             if (opt->opt_class != htons(U16_MAX) ||
                 opt->type != U8_MAX) {
                 NL_SET_ERR_MSG_MOD(extack,
                            "Partial match of tunnel options in chain > 0 isn't supported");
                 netdev_warn(priv->netdev,
                         "Partial match of tunnel options in chain > 0 isn't supported");
                 return -EOPNOTSUPP;
             }
         }
 
         off += sizeof(struct geneve_opt) + opt->length * 4;
     }
 
     return 0;
 }
 
 #define COPY_DISSECTOR(rule, diss_key, dst)\
 ({ \
     struct flow_rule *__rule = (rule);\
     typeof(dst) __dst = dst;\
 \
     memcpy(__dst,\
            skb_flow_dissector_target(__rule->match.dissector,\
                      diss_key,\
                      __rule->match.key),\
            sizeof(*__dst));\
 })
 
 static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv,
                     struct mlx5e_tc_flow *flow,
                     struct flow_cls_offload *f,
                     struct net_device *filter_dev)
 {
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct netlink_ext_ack *extack = f->common.extack;
     struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts;
     struct flow_match_enc_opts enc_opts_match;
     struct tunnel_match_enc_opts tun_enc_opts;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5_flow_attr *attr = flow->attr;
     struct mlx5e_rep_priv *uplink_rpriv;
     struct tunnel_match_key tunnel_key;
     bool enc_opts_is_dont_care = true;
     u32 tun_id, enc_opts_id = 0;
     struct mlx5_eswitch *esw;
     u32 value, mask;
     int err;
 
     esw = priv->mdev->priv.eswitch;
     uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
     uplink_priv = &uplink_rpriv->uplink_priv;
 
     memset(&tunnel_key, 0, sizeof(tunnel_key));
     COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL,
                &tunnel_key.enc_control);
     if (tunnel_key.enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS)
         COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
                    &tunnel_key.enc_ipv4);
     else
         COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS,
                    &tunnel_key.enc_ipv6);
     COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_IP, &tunnel_key.enc_ip);
     COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_PORTS,
                &tunnel_key.enc_tp);
     COPY_DISSECTOR(rule, FLOW_DISSECTOR_KEY_ENC_KEYID,
                &tunnel_key.enc_key_id);
     tunnel_key.filter_ifindex = filter_dev->ifindex;
 
     err = mapping_add(uplink_priv->tunnel_mapping, &tunnel_key, &tun_id);
     if (err)
         return err;
 
     flow_rule_match_enc_opts(rule, &enc_opts_match);
     err = enc_opts_is_dont_care_or_full_match(priv,
                           enc_opts_match.mask,
                           extack,
                           &enc_opts_is_dont_care);
     if (err)
         goto err_enc_opts;
 
     if (!enc_opts_is_dont_care) {
         memset(&tun_enc_opts, 0, sizeof(tun_enc_opts));
         memcpy(&tun_enc_opts.key, enc_opts_match.key,
                sizeof(*enc_opts_match.key));
         memcpy(&tun_enc_opts.mask, enc_opts_match.mask,
                sizeof(*enc_opts_match.mask));
 
         err = mapping_add(uplink_priv->tunnel_enc_opts_mapping,
                   &tun_enc_opts, &enc_opts_id);
         if (err)
             goto err_enc_opts;
     }
 
     value = tun_id << ENC_OPTS_BITS | enc_opts_id;
     mask = enc_opts_id ? TUNNEL_ID_MASK :
                  (TUNNEL_ID_MASK & ~ENC_OPTS_BITS_MASK);
 
     if (attr->chain) {
         mlx5e_tc_match_to_reg_match(&attr->parse_attr->spec,
                         TUNNEL_TO_REG, value, mask);
     } else {
         mod_hdr_acts = &attr->parse_attr->mod_hdr_acts;
         err = mlx5e_tc_match_to_reg_set(priv->mdev,
                         mod_hdr_acts, MLX5_FLOW_NAMESPACE_FDB,
                         TUNNEL_TO_REG, value);
         if (err)
             goto err_set;
 
         attr->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
     }
 
     flow->attr->tunnel_id = value;
     return 0;
 
 err_set:
     if (enc_opts_id)
         mapping_remove(uplink_priv->tunnel_enc_opts_mapping,
                    enc_opts_id);
 err_enc_opts:
     mapping_remove(uplink_priv->tunnel_mapping, tun_id);
     return err;
 }
 
 static void mlx5e_put_flow_tunnel_id(struct mlx5e_tc_flow *flow)
 {
     u32 enc_opts_id = flow->attr->tunnel_id & ENC_OPTS_BITS_MASK;
     u32 tun_id = flow->attr->tunnel_id >> ENC_OPTS_BITS;
     struct mlx5_rep_uplink_priv *uplink_priv;
     struct mlx5e_rep_priv *uplink_rpriv;
     struct mlx5_eswitch *esw;
 
     esw = flow->priv->mdev->priv.eswitch;
     uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
     uplink_priv = &uplink_rpriv->uplink_priv;
 
     if (tun_id)
         mapping_remove(uplink_priv->tunnel_mapping, tun_id);
     if (enc_opts_id)
         mapping_remove(uplink_priv->tunnel_enc_opts_mapping,
                    enc_opts_id);
 }
 
 void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev,
                 struct flow_match_basic *match, bool outer,
                 void *headers_c, void *headers_v)
 {
     bool ip_version_cap;
 
     ip_version_cap = outer ?
         MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
                       ft_field_support.outer_ip_version) :
         MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
                       ft_field_support.inner_ip_version);
 
     if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) &&
         (match->key->n_proto == htons(ETH_P_IP) ||
          match->key->n_proto == htons(ETH_P_IPV6))) {
         MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version);
         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version,
              match->key->n_proto == htons(ETH_P_IP) ? 4 : 6);
     } else {
         MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
              ntohs(match->mask->n_proto));
         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
              ntohs(match->key->n_proto));
     }
 }
 
 u8 mlx5e_tc_get_ip_version(struct mlx5_flow_spec *spec, bool outer)
 {
     void *headers_v;
     u16 ethertype;
     u8 ip_version;
 
     if (outer)
         headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers);
     else
         headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, inner_headers);
 
     ip_version = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_version);
     /* Return ip_version converted from ethertype anyway */
     if (!ip_version) {
         ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype);
         if (ethertype == ETH_P_IP || ethertype == ETH_P_ARP)
             ip_version = 4;
         else if (ethertype == ETH_P_IPV6)
             ip_version = 6;
     }
     return ip_version;
 }
 
 /* Tunnel device follows RFC 6040, see include/net/inet_ecn.h.
  * And changes inner ip_ecn depending on inner and outer ip_ecn as follows:
  *      +---------+----------------------------------------+
  *      |Arriving |         Arriving Outer Header          |
  *      |   Inner +---------+---------+---------+----------+
  *      |  Header | Not-ECT | ECT(0)  | ECT(1)  |   CE     |
  *      +---------+---------+---------+---------+----------+
  *      | Not-ECT | Not-ECT | Not-ECT | Not-ECT | <drop>   |
  *      |  ECT(0) |  ECT(0) | ECT(0)  | ECT(1)  |   CE*    |
  *      |  ECT(1) |  ECT(1) | ECT(1)  | ECT(1)* |   CE*    |
  *      |    CE   |   CE    |  CE     | CE      |   CE     |
  *      +---------+---------+---------+---------+----------+
  *
  * Tc matches on inner after decapsulation on tunnel device, but hw offload matches
  * the inner ip_ecn value before hardware decap action.
  *
  * Cells marked are changed from original inner packet ip_ecn value during decap, and
  * so matching those values on inner ip_ecn before decap will fail.
  *
  * The following helper allows offload when inner ip_ecn won't be changed by outer ip_ecn,
  * except for the outer ip_ecn = CE, where in all cases inner ip_ecn will be changed to CE,
  * and such we can drop the inner ip_ecn=CE match.
  */
 
 static int mlx5e_tc_verify_tunnel_ecn(struct mlx5e_priv *priv,
                       struct flow_cls_offload *f,
                       bool *match_inner_ecn)
 {
     u8 outer_ecn_mask = 0, outer_ecn_key = 0, inner_ecn_mask = 0, inner_ecn_key = 0;
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct netlink_ext_ack *extack = f->common.extack;
     struct flow_match_ip match;
 
     *match_inner_ecn = true;
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_IP)) {
         flow_rule_match_enc_ip(rule, &match);
         outer_ecn_key = match.key->tos & INET_ECN_MASK;
         outer_ecn_mask = match.mask->tos & INET_ECN_MASK;
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
         flow_rule_match_ip(rule, &match);
         inner_ecn_key = match.key->tos & INET_ECN_MASK;
         inner_ecn_mask = match.mask->tos & INET_ECN_MASK;
     }
 
     if (outer_ecn_mask != 0 && outer_ecn_mask != INET_ECN_MASK) {
         NL_SET_ERR_MSG_MOD(extack, "Partial match on enc_tos ecn bits isn't supported");
         netdev_warn(priv->netdev, "Partial match on enc_tos ecn bits isn't supported");
         return -EOPNOTSUPP;
     }
 
     if (!outer_ecn_mask) {
         if (!inner_ecn_mask)
             return 0;
 
         NL_SET_ERR_MSG_MOD(extack,
                    "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported");
         netdev_warn(priv->netdev,
                 "Matching on tos ecn bits without also matching enc_tos ecn bits isn't supported");
         return -EOPNOTSUPP;
     }
 
     if (inner_ecn_mask && inner_ecn_mask != INET_ECN_MASK) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported");
         netdev_warn(priv->netdev,
                 "Partial match on tos ecn bits with match on enc_tos ecn bits isn't supported");
         return -EOPNOTSUPP;
     }
 
     if (!inner_ecn_mask)
         return 0;
 
     /* Both inner and outer have full mask on ecn */
 
     if (outer_ecn_key == INET_ECN_ECT_1) {
         /* inner ecn might change by DECAP action */
 
         NL_SET_ERR_MSG_MOD(extack, "Match on enc_tos ecn = ECT(1) isn't supported");
         netdev_warn(priv->netdev, "Match on enc_tos ecn = ECT(1) isn't supported");
         return -EOPNOTSUPP;
     }
 
     if (outer_ecn_key != INET_ECN_CE)
         return 0;
 
     if (inner_ecn_key != INET_ECN_CE) {
         /* Can't happen in software, as packet ecn will be changed to CE after decap */
         NL_SET_ERR_MSG_MOD(extack,
                    "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported");
         netdev_warn(priv->netdev,
                 "Match on tos enc_tos ecn = CE while match on tos ecn != CE isn't supported");
         return -EOPNOTSUPP;
     }
 
     /* outer ecn = CE, inner ecn = CE, as decap will change inner ecn to CE in anycase,
      * drop match on inner ecn
      */
     *match_inner_ecn = false;
 
     return 0;
 }
 
 static int parse_tunnel_attr(struct mlx5e_priv *priv,
                  struct mlx5e_tc_flow *flow,
                  struct mlx5_flow_spec *spec,
                  struct flow_cls_offload *f,
                  struct net_device *filter_dev,
                  u8 *match_level,
                  bool *match_inner)
 {
     struct mlx5e_tc_tunnel *tunnel = mlx5e_get_tc_tun(filter_dev);
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct netlink_ext_ack *extack = f->common.extack;
     bool needs_mapping, sets_mapping;
     int err;
 
     if (!mlx5e_is_eswitch_flow(flow)) {
         NL_SET_ERR_MSG_MOD(extack, "Match on tunnel is not supported");
         return -EOPNOTSUPP;
     }
 
     needs_mapping = !!flow->attr->chain;
     sets_mapping = flow_requires_tunnel_mapping(flow->attr->chain, f);
     *match_inner = !needs_mapping;
 
     if ((needs_mapping || sets_mapping) &&
         !mlx5_eswitch_reg_c1_loopback_enabled(esw)) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Chains on tunnel devices isn't supported without register loopback support");
         netdev_warn(priv->netdev,
                 "Chains on tunnel devices isn't supported without register loopback support");
         return -EOPNOTSUPP;
     }
 
     if (!flow->attr->chain) {
         err = mlx5e_tc_tun_parse(filter_dev, priv, spec, f,
                      match_level);
         if (err) {
             NL_SET_ERR_MSG_MOD(extack,
                        "Failed to parse tunnel attributes");
             netdev_warn(priv->netdev,
                     "Failed to parse tunnel attributes");
             return err;
         }
 
         /* With mpls over udp we decapsulate using packet reformat
          * object
          */
         if (!netif_is_bareudp(filter_dev))
             flow->attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
         err = mlx5e_tc_set_attr_rx_tun(flow, spec);
         if (err)
             return err;
     } else if (tunnel && tunnel->tunnel_type == MLX5E_TC_TUNNEL_TYPE_VXLAN) {
         struct mlx5_flow_spec *tmp_spec;
 
         tmp_spec = kvzalloc(sizeof(*tmp_spec), GFP_KERNEL);
         if (!tmp_spec) {
             NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory for vxlan tmp spec");
             netdev_warn(priv->netdev, "Failed to allocate memory for vxlan tmp spec");
             return -ENOMEM;
         }
         memcpy(tmp_spec, spec, sizeof(*tmp_spec));
 
         err = mlx5e_tc_tun_parse(filter_dev, priv, tmp_spec, f, match_level);
         if (err) {
             kvfree(tmp_spec);
             NL_SET_ERR_MSG_MOD(extack, "Failed to parse tunnel attributes");
             netdev_warn(priv->netdev, "Failed to parse tunnel attributes");
             return err;
         }
         err = mlx5e_tc_set_attr_rx_tun(flow, tmp_spec);
         kvfree(tmp_spec);
         if (err)
             return err;
     }
 
     if (!needs_mapping && !sets_mapping)
         return 0;
 
     return mlx5e_get_flow_tunnel_id(priv, flow, f, filter_dev);
 }
 
 static void *get_match_inner_headers_criteria(struct mlx5_flow_spec *spec)
 {
     return MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
                 inner_headers);
 }
 
 static void *get_match_inner_headers_value(struct mlx5_flow_spec *spec)
 {
     return MLX5_ADDR_OF(fte_match_param, spec->match_value,
                 inner_headers);
 }
 
 static void *get_match_outer_headers_criteria(struct mlx5_flow_spec *spec)
 {
     return MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
                 outer_headers);
 }
 
 static void *get_match_outer_headers_value(struct mlx5_flow_spec *spec)
 {
     return MLX5_ADDR_OF(fte_match_param, spec->match_value,
                 outer_headers);
 }
 
 void *mlx5e_get_match_headers_value(u32 flags, struct mlx5_flow_spec *spec)
 {
     return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ?
         get_match_inner_headers_value(spec) :
         get_match_outer_headers_value(spec);
 }
 
 void *mlx5e_get_match_headers_criteria(u32 flags, struct mlx5_flow_spec *spec)
 {
     return (flags & MLX5_FLOW_CONTEXT_ACTION_DECAP) ?
         get_match_inner_headers_criteria(spec) :
         get_match_outer_headers_criteria(spec);
 }
 
 static int mlx5e_flower_parse_meta(struct net_device *filter_dev,
                    struct flow_cls_offload *f)
 {
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct netlink_ext_ack *extack = f->common.extack;
     struct net_device *ingress_dev;
     struct flow_match_meta match;
 
     if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_META))
         return 0;
 
     flow_rule_match_meta(rule, &match);
     if (!match.mask->ingress_ifindex)
         return 0;
 
     if (match.mask->ingress_ifindex != 0xFFFFFFFF) {
         NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask");
         return -EOPNOTSUPP;
     }
 
     ingress_dev = __dev_get_by_index(dev_net(filter_dev),
                      match.key->ingress_ifindex);
     if (!ingress_dev) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Can't find the ingress port to match on");
         return -ENOENT;
     }
 
     if (ingress_dev != filter_dev) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Can't match on the ingress filter port");
         return -EOPNOTSUPP;
     }
 
     return 0;
 }
 
 static bool skip_key_basic(struct net_device *filter_dev,
                struct flow_cls_offload *f)
 {
     /* When doing mpls over udp decap, the user needs to provide
      * MPLS_UC as the protocol in order to be able to match on mpls
      * label fields.  However, the actual ethertype is IP so we want to
      * avoid matching on this, otherwise we'll fail the match.
      */
     if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0)
         return true;
 
     return false;
 }
 
 static int __parse_cls_flower(struct mlx5e_priv *priv,
                   struct mlx5e_tc_flow *flow,
                   struct mlx5_flow_spec *spec,
                   struct flow_cls_offload *f,
                   struct net_device *filter_dev,
                   u8 *inner_match_level, u8 *outer_match_level)
 {
     struct netlink_ext_ack *extack = f->common.extack;
     void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
                        outer_headers);
     void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
                        outer_headers);
     void *misc_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
                     misc_parameters);
     void *misc_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
                     misc_parameters);
     void *misc_c_3 = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
                     misc_parameters_3);
     void *misc_v_3 = MLX5_ADDR_OF(fte_match_param, spec->match_value,
                     misc_parameters_3);
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct flow_dissector *dissector = rule->match.dissector;
     enum fs_flow_table_type fs_type;
     bool match_inner_ecn = true;
     u16 addr_type = 0;
     u8 ip_proto = 0;
     u8 *match_level;
     int err;
 
     fs_type = mlx5e_is_eswitch_flow(flow) ? FS_FT_FDB : FS_FT_NIC_RX;
     match_level = outer_match_level;
 
     if (dissector->used_keys &
         ~(BIT(FLOW_DISSECTOR_KEY_META) |
           BIT(FLOW_DISSECTOR_KEY_CONTROL) |
           BIT(FLOW_DISSECTOR_KEY_BASIC) |
           BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
           BIT(FLOW_DISSECTOR_KEY_VLAN) |
           BIT(FLOW_DISSECTOR_KEY_CVLAN) |
           BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
           BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
           BIT(FLOW_DISSECTOR_KEY_PORTS) |
           BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) |
           BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
           BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
           BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) |
           BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) |
           BIT(FLOW_DISSECTOR_KEY_TCP) |
           BIT(FLOW_DISSECTOR_KEY_IP)  |
           BIT(FLOW_DISSECTOR_KEY_CT) |
           BIT(FLOW_DISSECTOR_KEY_ENC_IP) |
           BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) |
           BIT(FLOW_DISSECTOR_KEY_ICMP) |
           BIT(FLOW_DISSECTOR_KEY_MPLS))) {
         NL_SET_ERR_MSG_MOD(extack, "Unsupported key");
         netdev_dbg(priv->netdev, "Unsupported key used: 0x%x\n",
                dissector->used_keys);
         return -EOPNOTSUPP;
     }
 
     if (mlx5e_get_tc_tun(filter_dev)) {
         bool match_inner = false;
 
         err = parse_tunnel_attr(priv, flow, spec, f, filter_dev,
                     outer_match_level, &match_inner);
         if (err)
             return err;
 
         if (match_inner) {
             /* header pointers should point to the inner headers
              * if the packet was decapsulated already.
              * outer headers are set by parse_tunnel_attr.
              */
             match_level = inner_match_level;
             headers_c = get_match_inner_headers_criteria(spec);
             headers_v = get_match_inner_headers_value(spec);
         }
 
         err = mlx5e_tc_verify_tunnel_ecn(priv, f, &match_inner_ecn);
         if (err)
             return err;
     }
 
     err = mlx5e_flower_parse_meta(filter_dev, f);
     if (err)
         return err;
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) &&
         !skip_key_basic(filter_dev, f)) {
         struct flow_match_basic match;
 
         flow_rule_match_basic(rule, &match);
         mlx5e_tc_set_ethertype(priv->mdev, &match,
                        match_level == outer_match_level,
                        headers_c, headers_v);
 
         if (match.mask->n_proto)
             *match_level = MLX5_MATCH_L2;
     }
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN) ||
         is_vlan_dev(filter_dev)) {
         struct flow_dissector_key_vlan filter_dev_mask;
         struct flow_dissector_key_vlan filter_dev_key;
         struct flow_match_vlan match;
 
         if (is_vlan_dev(filter_dev)) {
             match.key = &filter_dev_key;
             match.key->vlan_id = vlan_dev_vlan_id(filter_dev);
             match.key->vlan_tpid = vlan_dev_vlan_proto(filter_dev);
             match.key->vlan_priority = 0;
             match.mask = &filter_dev_mask;
             memset(match.mask, 0xff, sizeof(*match.mask));
             match.mask->vlan_priority = 0;
         } else {
             flow_rule_match_vlan(rule, &match);
         }
         if (match.mask->vlan_id ||
             match.mask->vlan_priority ||
             match.mask->vlan_tpid) {
             if (match.key->vlan_tpid == htons(ETH_P_8021AD)) {
                 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
                      svlan_tag, 1);
                 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
                      svlan_tag, 1);
             } else {
                 MLX5_SET(fte_match_set_lyr_2_4, headers_c,
                      cvlan_tag, 1);
                 MLX5_SET(fte_match_set_lyr_2_4, headers_v,
                      cvlan_tag, 1);
             }
 
             MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid,
                  match.mask->vlan_id);
             MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid,
                  match.key->vlan_id);
 
             MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio,
                  match.mask->vlan_priority);
             MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio,
                  match.key->vlan_priority);
 
             *match_level = MLX5_MATCH_L2;
 
             if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) &&
                 match.mask->vlan_eth_type &&
                 MLX5_CAP_FLOWTABLE_TYPE(priv->mdev,
                             ft_field_support.outer_second_vid,
                             fs_type)) {
                 MLX5_SET(fte_match_set_misc, misc_c,
                      outer_second_cvlan_tag, 1);
                 spec->match_criteria_enable |=
                     MLX5_MATCH_MISC_PARAMETERS;
             }
         }
     } else if (*match_level != MLX5_MATCH_NONE) {
         /* cvlan_tag enabled in match criteria and
          * disabled in match value means both S & C tags
          * don't exist (untagged of both)
          */
         MLX5_SET(fte_match_set_lyr_2_4, headers_c, cvlan_tag, 1);
         *match_level = MLX5_MATCH_L2;
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN)) {
         struct flow_match_vlan match;
 
         flow_rule_match_cvlan(rule, &match);
         if (match.mask->vlan_id ||
             match.mask->vlan_priority ||
             match.mask->vlan_tpid) {
             if (!MLX5_CAP_FLOWTABLE_TYPE(priv->mdev, ft_field_support.outer_second_vid,
                              fs_type)) {
                 NL_SET_ERR_MSG_MOD(extack,
                            "Matching on CVLAN is not supported");
                 return -EOPNOTSUPP;
             }
 
             if (match.key->vlan_tpid == htons(ETH_P_8021AD)) {
                 MLX5_SET(fte_match_set_misc, misc_c,
                      outer_second_svlan_tag, 1);
                 MLX5_SET(fte_match_set_misc, misc_v,
                      outer_second_svlan_tag, 1);
             } else {
                 MLX5_SET(fte_match_set_misc, misc_c,
                      outer_second_cvlan_tag, 1);
                 MLX5_SET(fte_match_set_misc, misc_v,
                      outer_second_cvlan_tag, 1);
             }
 
             MLX5_SET(fte_match_set_misc, misc_c, outer_second_vid,
                  match.mask->vlan_id);
             MLX5_SET(fte_match_set_misc, misc_v, outer_second_vid,
                  match.key->vlan_id);
             MLX5_SET(fte_match_set_misc, misc_c, outer_second_prio,
                  match.mask->vlan_priority);
             MLX5_SET(fte_match_set_misc, misc_v, outer_second_prio,
                  match.key->vlan_priority);
 
             *match_level = MLX5_MATCH_L2;
             spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS;
         }
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
         struct flow_match_eth_addrs match;
 
         flow_rule_match_eth_addrs(rule, &match);
         ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
                          dmac_47_16),
                 match.mask->dst);
         ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
                          dmac_47_16),
                 match.key->dst);
 
         ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
                          smac_47_16),
                 match.mask->src);
         ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
                          smac_47_16),
                 match.key->src);
 
         if (!is_zero_ether_addr(match.mask->src) ||
             !is_zero_ether_addr(match.mask->dst))
             *match_level = MLX5_MATCH_L2;
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
         struct flow_match_control match;
 
         flow_rule_match_control(rule, &match);
         addr_type = match.key->addr_type;
 
         /* the HW doesn't support frag first/later */
         if (match.mask->flags & FLOW_DIS_FIRST_FRAG) {
             NL_SET_ERR_MSG_MOD(extack, "Match on frag first/later is not supported");
             return -EOPNOTSUPP;
         }
 
         if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) {
             MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1);
             MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag,
                  match.key->flags & FLOW_DIS_IS_FRAGMENT);
 
             /* the HW doesn't need L3 inline to match on frag=no */
             if (!(match.key->flags & FLOW_DIS_IS_FRAGMENT))
                 *match_level = MLX5_MATCH_L2;
     /* ***  L2 attributes parsing up to here *** */
             else
                 *match_level = MLX5_MATCH_L3;
         }
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
         struct flow_match_basic match;
 
         flow_rule_match_basic(rule, &match);
         ip_proto = match.key->ip_proto;
 
         MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
              match.mask->ip_proto);
         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
              match.key->ip_proto);
 
         if (match.mask->ip_proto)
             *match_level = MLX5_MATCH_L3;
     }
 
     if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
         struct flow_match_ipv4_addrs match;
 
         flow_rule_match_ipv4_addrs(rule, &match);
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
                     src_ipv4_src_ipv6.ipv4_layout.ipv4),
                &match.mask->src, sizeof(match.mask->src));
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
                     src_ipv4_src_ipv6.ipv4_layout.ipv4),
                &match.key->src, sizeof(match.key->src));
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
                     dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
                &match.mask->dst, sizeof(match.mask->dst));
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
                     dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
                &match.key->dst, sizeof(match.key->dst));
 
         if (match.mask->src || match.mask->dst)
             *match_level = MLX5_MATCH_L3;
     }
 
     if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
         struct flow_match_ipv6_addrs match;
 
         flow_rule_match_ipv6_addrs(rule, &match);
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
                     src_ipv4_src_ipv6.ipv6_layout.ipv6),
                &match.mask->src, sizeof(match.mask->src));
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
                     src_ipv4_src_ipv6.ipv6_layout.ipv6),
                &match.key->src, sizeof(match.key->src));
 
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
                     dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
                &match.mask->dst, sizeof(match.mask->dst));
         memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
                     dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
                &match.key->dst, sizeof(match.key->dst));
 
         if (ipv6_addr_type(&match.mask->src) != IPV6_ADDR_ANY ||
             ipv6_addr_type(&match.mask->dst) != IPV6_ADDR_ANY)
             *match_level = MLX5_MATCH_L3;
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IP)) {
         struct flow_match_ip match;
 
         flow_rule_match_ip(rule, &match);
         if (match_inner_ecn) {
             MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn,
                  match.mask->tos & 0x3);
             MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn,
                  match.key->tos & 0x3);
         }
 
         MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp,
              match.mask->tos >> 2);
         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp,
              match.key->tos  >> 2);
 
         MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit,
              match.mask->ttl);
         MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit,
              match.key->ttl);
 
         if (match.mask->ttl &&
             !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev,
                         ft_field_support.outer_ipv4_ttl)) {
             NL_SET_ERR_MSG_MOD(extack,
                        "Matching on TTL is not supported");
             return -EOPNOTSUPP;
         }
 
         if (match.mask->tos || match.mask->ttl)
             *match_level = MLX5_MATCH_L3;
     }
 
     /* ***  L3 attributes parsing up to here *** */
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_PORTS)) {
         struct flow_match_ports match;
 
         flow_rule_match_ports(rule, &match);
         switch (ip_proto) {
         case IPPROTO_TCP:
             MLX5_SET(fte_match_set_lyr_2_4, headers_c,
                  tcp_sport, ntohs(match.mask->src));
             MLX5_SET(fte_match_set_lyr_2_4, headers_v,
                  tcp_sport, ntohs(match.key->src));
 
             MLX5_SET(fte_match_set_lyr_2_4, headers_c,
                  tcp_dport, ntohs(match.mask->dst));
             MLX5_SET(fte_match_set_lyr_2_4, headers_v,
                  tcp_dport, ntohs(match.key->dst));
             break;
 
         case IPPROTO_UDP:
             MLX5_SET(fte_match_set_lyr_2_4, headers_c,
                  udp_sport, ntohs(match.mask->src));
             MLX5_SET(fte_match_set_lyr_2_4, headers_v,
                  udp_sport, ntohs(match.key->src));
 
             MLX5_SET(fte_match_set_lyr_2_4, headers_c,
                  udp_dport, ntohs(match.mask->dst));
             MLX5_SET(fte_match_set_lyr_2_4, headers_v,
                  udp_dport, ntohs(match.key->dst));
             break;
         default:
             NL_SET_ERR_MSG_MOD(extack,
                        "Only UDP and TCP transports are supported for L4 matching");
             netdev_err(priv->netdev,
                    "Only UDP and TCP transport are supported\n");
             return -EINVAL;
         }
 
         if (match.mask->src || match.mask->dst)
             *match_level = MLX5_MATCH_L4;
     }
 
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) {
         struct flow_match_tcp match;
 
         flow_rule_match_tcp(rule, &match);
         MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags,
              ntohs(match.mask->flags));
         MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags,
              ntohs(match.key->flags));
 
         if (match.mask->flags)
             *match_level = MLX5_MATCH_L4;
     }
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ICMP)) {
         struct flow_match_icmp match;
 
         flow_rule_match_icmp(rule, &match);
         switch (ip_proto) {
         case IPPROTO_ICMP:
             if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) &
                   MLX5_FLEX_PROTO_ICMP)) {
                 NL_SET_ERR_MSG_MOD(extack,
                            "Match on Flex protocols for ICMP is not supported");
                 return -EOPNOTSUPP;
             }
             MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_type,
                  match.mask->type);
             MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_type,
                  match.key->type);
             MLX5_SET(fte_match_set_misc3, misc_c_3, icmp_code,
                  match.mask->code);
             MLX5_SET(fte_match_set_misc3, misc_v_3, icmp_code,
                  match.key->code);
             break;
         case IPPROTO_ICMPV6:
             if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) &
                   MLX5_FLEX_PROTO_ICMPV6)) {
                 NL_SET_ERR_MSG_MOD(extack,
                            "Match on Flex protocols for ICMPV6 is not supported");
                 return -EOPNOTSUPP;
             }
             MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_type,
                  match.mask->type);
             MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_type,
                  match.key->type);
             MLX5_SET(fte_match_set_misc3, misc_c_3, icmpv6_code,
                  match.mask->code);
             MLX5_SET(fte_match_set_misc3, misc_v_3, icmpv6_code,
                  match.key->code);
             break;
         default:
             NL_SET_ERR_MSG_MOD(extack,
                        "Code and type matching only with ICMP and ICMPv6");
             netdev_err(priv->netdev,
                    "Code and type matching only with ICMP and ICMPv6\n");
             return -EINVAL;
         }
         if (match.mask->code || match.mask->type) {
             *match_level = MLX5_MATCH_L4;
             spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3;
         }
     }
     /* Currently supported only for MPLS over UDP */
     if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) &&
         !netif_is_bareudp(filter_dev)) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Matching on MPLS is supported only for MPLS over UDP");
         netdev_err(priv->netdev,
                "Matching on MPLS is supported only for MPLS over UDP\n");
         return -EOPNOTSUPP;
     }
 
     return 0;
 }
 
 static int parse_cls_flower(struct mlx5e_priv *priv,
                 struct mlx5e_tc_flow *flow,
                 struct mlx5_flow_spec *spec,
                 struct flow_cls_offload *f,
                 struct net_device *filter_dev)
 {
     u8 inner_match_level, outer_match_level, non_tunnel_match_level;
     struct netlink_ext_ack *extack = f->common.extack;
     struct mlx5_core_dev *dev = priv->mdev;
     struct mlx5_eswitch *esw = dev->priv.eswitch;
     struct mlx5e_rep_priv *rpriv = priv->ppriv;
     struct mlx5_eswitch_rep *rep;
     bool is_eswitch_flow;
     int err;
 
     inner_match_level = MLX5_MATCH_NONE;
     outer_match_level = MLX5_MATCH_NONE;
 
     err = __parse_cls_flower(priv, flow, spec, f, filter_dev,
                  &inner_match_level, &outer_match_level);
     non_tunnel_match_level = (inner_match_level == MLX5_MATCH_NONE) ?
                  outer_match_level : inner_match_level;
 
     is_eswitch_flow = mlx5e_is_eswitch_flow(flow);
     if (!err && is_eswitch_flow) {
         rep = rpriv->rep;
         if (rep->vport != MLX5_VPORT_UPLINK &&
             (esw->offloads.inline_mode != MLX5_INLINE_MODE_NONE &&
             esw->offloads.inline_mode < non_tunnel_match_level)) {
             NL_SET_ERR_MSG_MOD(extack,
                        "Flow is not offloaded due to min inline setting");
             netdev_warn(priv->netdev,
                     "Flow is not offloaded due to min inline setting, required %d actual %d\n",
                     non_tunnel_match_level, esw->offloads.inline_mode);
             return -EOPNOTSUPP;
         }
     }
 
     flow->attr->inner_match_level = inner_match_level;
     flow->attr->outer_match_level = outer_match_level;
 
 
     return err;
 }
 
 struct mlx5_fields {
     u8  field;
     u8  field_bsize;
     u32 field_mask;
     u32 offset;
     u32 match_offset;
 };
 
 #define OFFLOAD(fw_field, field_bsize, field_mask, field, off, match_field) \
         {MLX5_ACTION_IN_FIELD_OUT_ ## fw_field, field_bsize, field_mask, \
          offsetof(struct pedit_headers, field) + (off), \
          MLX5_BYTE_OFF(fte_match_set_lyr_2_4, match_field)}
 
 /* masked values are the same and there are no rewrites that do not have a
  * match.
  */
 #define SAME_VAL_MASK(type, valp, maskp, matchvalp, matchmaskp) ({ \
     type matchmaskx = *(type *)(matchmaskp); \
     type matchvalx = *(type *)(matchvalp); \
     type maskx = *(type *)(maskp); \
     type valx = *(type *)(valp); \
     \
     (valx & maskx) == (matchvalx & matchmaskx) && !(maskx & (maskx ^ \
                                  matchmaskx)); \
 })
 
 static bool cmp_val_mask(void *valp, void *maskp, void *matchvalp,
              void *matchmaskp, u8 bsize)
 {
     bool same = false;
 
     switch (bsize) {
     case 8:
         same = SAME_VAL_MASK(u8, valp, maskp, matchvalp, matchmaskp);
         break;
     case 16:
         same = SAME_VAL_MASK(u16, valp, maskp, matchvalp, matchmaskp);
         break;
     case 32:
         same = SAME_VAL_MASK(u32, valp, maskp, matchvalp, matchmaskp);
         break;
     }
 
     return same;
 }
 
 static struct mlx5_fields fields[] = {
     OFFLOAD(DMAC_47_16, 32, U32_MAX, eth.h_dest[0], 0, dmac_47_16),
     OFFLOAD(DMAC_15_0,  16, U16_MAX, eth.h_dest[4], 0, dmac_15_0),
     OFFLOAD(SMAC_47_16, 32, U32_MAX, eth.h_source[0], 0, smac_47_16),
     OFFLOAD(SMAC_15_0,  16, U16_MAX, eth.h_source[4], 0, smac_15_0),
     OFFLOAD(ETHERTYPE,  16, U16_MAX, eth.h_proto, 0, ethertype),
     OFFLOAD(FIRST_VID,  16, U16_MAX, vlan.h_vlan_TCI, 0, first_vid),
 
     OFFLOAD(IP_DSCP, 8,    0xfc, ip4.tos,   0, ip_dscp),
     OFFLOAD(IP_TTL,  8,  U8_MAX, ip4.ttl,   0, ttl_hoplimit),
     OFFLOAD(SIPV4,  32, U32_MAX, ip4.saddr, 0, src_ipv4_src_ipv6.ipv4_layout.ipv4),
     OFFLOAD(DIPV4,  32, U32_MAX, ip4.daddr, 0, dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
 
     OFFLOAD(SIPV6_127_96, 32, U32_MAX, ip6.saddr.s6_addr32[0], 0,
         src_ipv4_src_ipv6.ipv6_layout.ipv6[0]),
     OFFLOAD(SIPV6_95_64,  32, U32_MAX, ip6.saddr.s6_addr32[1], 0,
         src_ipv4_src_ipv6.ipv6_layout.ipv6[4]),
     OFFLOAD(SIPV6_63_32,  32, U32_MAX, ip6.saddr.s6_addr32[2], 0,
         src_ipv4_src_ipv6.ipv6_layout.ipv6[8]),
     OFFLOAD(SIPV6_31_0,   32, U32_MAX, ip6.saddr.s6_addr32[3], 0,
         src_ipv4_src_ipv6.ipv6_layout.ipv6[12]),
     OFFLOAD(DIPV6_127_96, 32, U32_MAX, ip6.daddr.s6_addr32[0], 0,
         dst_ipv4_dst_ipv6.ipv6_layout.ipv6[0]),
     OFFLOAD(DIPV6_95_64,  32, U32_MAX, ip6.daddr.s6_addr32[1], 0,
         dst_ipv4_dst_ipv6.ipv6_layout.ipv6[4]),
     OFFLOAD(DIPV6_63_32,  32, U32_MAX, ip6.daddr.s6_addr32[2], 0,
         dst_ipv4_dst_ipv6.ipv6_layout.ipv6[8]),
     OFFLOAD(DIPV6_31_0,   32, U32_MAX, ip6.daddr.s6_addr32[3], 0,
         dst_ipv4_dst_ipv6.ipv6_layout.ipv6[12]),
     OFFLOAD(IPV6_HOPLIMIT, 8,  U8_MAX, ip6.hop_limit, 0, ttl_hoplimit),
     OFFLOAD(IP_DSCP, 16,  0xc00f, ip6, 0, ip_dscp),
 
     OFFLOAD(TCP_SPORT, 16, U16_MAX, tcp.source,  0, tcp_sport),
     OFFLOAD(TCP_DPORT, 16, U16_MAX, tcp.dest,    0, tcp_dport),
     /* in linux iphdr tcp_flags is 8 bits long */
     OFFLOAD(TCP_FLAGS,  8,  U8_MAX, tcp.ack_seq, 5, tcp_flags),
 
     OFFLOAD(UDP_SPORT, 16, U16_MAX, udp.source, 0, udp_sport),
     OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest,   0, udp_dport),
 };
 
 static unsigned long mask_to_le(unsigned long mask, int size)
 {
     __be32 mask_be32;
     __be16 mask_be16;
 
     if (size == 32) {
         mask_be32 = (__force __be32)(mask);
         mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32));
     } else if (size == 16) {
         mask_be32 = (__force __be32)(mask);
         mask_be16 = *(__be16 *)&mask_be32;
         mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16));
     }
 
     return mask;
 }
 
 static int offload_pedit_fields(struct mlx5e_priv *priv,
                 int namespace,
                 struct mlx5e_tc_flow_parse_attr *parse_attr,
                 u32 *action_flags,
                 struct netlink_ext_ack *extack)
 {
     struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals;
     struct pedit_headers_action *hdrs = parse_attr->hdrs;
     void *headers_c, *headers_v, *action, *vals_p;
     u32 *s_masks_p, *a_masks_p, s_mask, a_mask;
     struct mlx5e_tc_mod_hdr_acts *mod_acts;
     unsigned long mask, field_mask;
     int i, first, last, next_z;
     struct mlx5_fields *f;
     u8 cmd;
 
     mod_acts = &parse_attr->mod_hdr_acts;
     headers_c = mlx5e_get_match_headers_criteria(*action_flags, &parse_attr->spec);
     headers_v = mlx5e_get_match_headers_value(*action_flags, &parse_attr->spec);
 
     set_masks = &hdrs[0].masks;
     add_masks = &hdrs[1].masks;
     set_vals = &hdrs[0].vals;
     add_vals = &hdrs[1].vals;
 
     for (i = 0; i < ARRAY_SIZE(fields); i++) {
         bool skip;
 
         f = &fields[i];
         /* avoid seeing bits set from previous iterations */
         s_mask = 0;
         a_mask = 0;
 
         s_masks_p = (void *)set_masks + f->offset;
         a_masks_p = (void *)add_masks + f->offset;
 
         s_mask = *s_masks_p & f->field_mask;
         a_mask = *a_masks_p & f->field_mask;
 
         if (!s_mask && !a_mask) /* nothing to offload here */
             continue;
 
         if (s_mask && a_mask) {
             NL_SET_ERR_MSG_MOD(extack,
                        "can't set and add to the same HW field");
             netdev_warn(priv->netdev,
                     "mlx5: can't set and add to the same HW field (%x)\n",
                     f->field);
             return -EOPNOTSUPP;
         }
 
         skip = false;
         if (s_mask) {
             void *match_mask = headers_c + f->match_offset;
             void *match_val = headers_v + f->match_offset;
 
             cmd  = MLX5_ACTION_TYPE_SET;
             mask = s_mask;
             vals_p = (void *)set_vals + f->offset;
             /* don't rewrite if we have a match on the same value */
             if (cmp_val_mask(vals_p, s_masks_p, match_val,
                      match_mask, f->field_bsize))
                 skip = true;
             /* clear to denote we consumed this field */
             *s_masks_p &= ~f->field_mask;
         } else {
             cmd  = MLX5_ACTION_TYPE_ADD;
             mask = a_mask;
             vals_p = (void *)add_vals + f->offset;
             /* add 0 is no change */
             if ((*(u32 *)vals_p & f->field_mask) == 0)
                 skip = true;
             /* clear to denote we consumed this field */
             *a_masks_p &= ~f->field_mask;
         }
         if (skip)
             continue;
 
         mask = mask_to_le(mask, f->field_bsize);
 
         first = find_first_bit(&mask, f->field_bsize);
         next_z = find_next_zero_bit(&mask, f->field_bsize, first);
         last  = find_last_bit(&mask, f->field_bsize);
         if (first < next_z && next_z < last) {
             NL_SET_ERR_MSG_MOD(extack,
                        "rewrite of few sub-fields isn't supported");
             netdev_warn(priv->netdev,
                     "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n",
                     mask);
             return -EOPNOTSUPP;
         }
 
         action = mlx5e_mod_hdr_alloc(priv->mdev, namespace, mod_acts);
         if (IS_ERR(action)) {
             NL_SET_ERR_MSG_MOD(extack,
                        "too many pedit actions, can't offload");
             mlx5_core_warn(priv->mdev,
                        "mlx5: parsed %d pedit actions, can't do more\n",
                        mod_acts->num_actions);
             return PTR_ERR(action);
         }
 
         MLX5_SET(set_action_in, action, action_type, cmd);
         MLX5_SET(set_action_in, action, field, f->field);
 
         if (cmd == MLX5_ACTION_TYPE_SET) {
             int start;
 
             field_mask = mask_to_le(f->field_mask, f->field_bsize);
 
             /* if field is bit sized it can start not from first bit */
             start = find_first_bit(&field_mask, f->field_bsize);
 
             MLX5_SET(set_action_in, action, offset, first - start);
             /* length is num of bits to be written, zero means length of 32 */
             MLX5_SET(set_action_in, action, length, (last - first + 1));
         }
 
         if (f->field_bsize == 32)
             MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p) >> first);
         else if (f->field_bsize == 16)
             MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p) >> first);
         else if (f->field_bsize == 8)
             MLX5_SET(set_action_in, action, data, *(u8 *)vals_p >> first);
 
         ++mod_acts->num_actions;
     }
 
     return 0;
 }
 
 static const struct pedit_headers zero_masks = {};
 
 static int verify_offload_pedit_fields(struct mlx5e_priv *priv,
                        struct mlx5e_tc_flow_parse_attr *parse_attr,
                        struct netlink_ext_ack *extack)
 {
     struct pedit_headers *cmd_masks;
     u8 cmd;
 
     for (cmd = 0; cmd < __PEDIT_CMD_MAX; cmd++) {
         cmd_masks = &parse_attr->hdrs[cmd].masks;
         if (memcmp(cmd_masks, &zero_masks, sizeof(zero_masks))) {
             NL_SET_ERR_MSG_MOD(extack, "attempt to offload an unsupported field");
             netdev_warn(priv->netdev, "attempt to offload an unsupported field (cmd %d)\n", cmd);
             print_hex_dump(KERN_WARNING, "mask: ", DUMP_PREFIX_ADDRESS,
                        16, 1, cmd_masks, sizeof(zero_masks), true);
             return -EOPNOTSUPP;
         }
     }
 
     return 0;
 }
 
 static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace,
                  struct mlx5e_tc_flow_parse_attr *parse_attr,
                  u32 *action_flags,
                  struct netlink_ext_ack *extack)
 {
     int err;
 
     err = offload_pedit_fields(priv, namespace, parse_attr, action_flags, extack);
     if (err)
         goto out_dealloc_parsed_actions;
 
     err = verify_offload_pedit_fields(priv, parse_attr, extack);
     if (err)
         goto out_dealloc_parsed_actions;
 
     return 0;
 
 out_dealloc_parsed_actions:
     mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts);
     return err;
 }
 
 struct ip_ttl_word {
     __u8    ttl;
     __u8    protocol;
     __sum16 check;
 };
 
 struct ipv6_hoplimit_word {
     __be16  payload_len;
     __u8    nexthdr;
     __u8    hop_limit;
 };
 
 static bool
 is_action_keys_supported(const struct flow_action_entry *act, bool ct_flow,
              bool *modify_ip_header, bool *modify_tuple,
              struct netlink_ext_ack *extack)
 {
     u32 mask, offset;
     u8 htype;
 
     htype = act->mangle.htype;
     offset = act->mangle.offset;
     mask = ~act->mangle.mask;
     /* For IPv4 & IPv6 header check 4 byte word,
      * to determine that modified fields
      * are NOT ttl & hop_limit only.
      */
     if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP4) {
         struct ip_ttl_word *ttl_word =
             (struct ip_ttl_word *)&mask;
 
         if (offset != offsetof(struct iphdr, ttl) ||
             ttl_word->protocol ||
             ttl_word->check) {
             *modify_ip_header = true;
         }
 
         if (offset >= offsetof(struct iphdr, saddr))
             *modify_tuple = true;
 
         if (ct_flow && *modify_tuple) {
             NL_SET_ERR_MSG_MOD(extack,
                        "can't offload re-write of ipv4 address with action ct");
             return false;
         }
     } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_IP6) {
         struct ipv6_hoplimit_word *hoplimit_word =
             (struct ipv6_hoplimit_word *)&mask;
 
         if (offset != offsetof(struct ipv6hdr, payload_len) ||
             hoplimit_word->payload_len ||
             hoplimit_word->nexthdr) {
             *modify_ip_header = true;
         }
 
         if (ct_flow && offset >= offsetof(struct ipv6hdr, saddr))
             *modify_tuple = true;
 
         if (ct_flow && *modify_tuple) {
             NL_SET_ERR_MSG_MOD(extack,
                        "can't offload re-write of ipv6 address with action ct");
             return false;
         }
     } else if (htype == FLOW_ACT_MANGLE_HDR_TYPE_TCP ||
            htype == FLOW_ACT_MANGLE_HDR_TYPE_UDP) {
         *modify_tuple = true;
         if (ct_flow) {
             NL_SET_ERR_MSG_MOD(extack,
                        "can't offload re-write of transport header ports with action ct");
             return false;
         }
     }
 
     return true;
 }
 
 static bool modify_tuple_supported(bool modify_tuple, bool ct_clear,
                    bool ct_flow, struct netlink_ext_ack *extack,
                    struct mlx5e_priv *priv,
                    struct mlx5_flow_spec *spec)
 {
     if (!modify_tuple || ct_clear)
         return true;
 
     if (ct_flow) {
         NL_SET_ERR_MSG_MOD(extack,
                    "can't offload tuple modification with non-clear ct()");
         netdev_info(priv->netdev,
                 "can't offload tuple modification with non-clear ct()");
         return false;
     }
 
     /* Add ct_state=-trk match so it will be offloaded for non ct flows
      * (or after clear action), as otherwise, since the tuple is changed,
      * we can't restore ct state
      */
     if (mlx5_tc_ct_add_no_trk_match(spec)) {
         NL_SET_ERR_MSG_MOD(extack,
                    "can't offload tuple modification with ct matches and no ct(clear) action");
         netdev_info(priv->netdev,
                 "can't offload tuple modification with ct matches and no ct(clear) action");
         return false;
     }
 
     return true;
 }
 
 static bool modify_header_match_supported(struct mlx5e_priv *priv,
                       struct mlx5_flow_spec *spec,
                       struct flow_action *flow_action,
                       u32 actions, bool ct_flow,
                       bool ct_clear,
                       struct netlink_ext_ack *extack)
 {
     const struct flow_action_entry *act;
     bool modify_ip_header, modify_tuple;
     void *headers_c;
     void *headers_v;
     u16 ethertype;
     u8 ip_proto;
     int i;
 
     headers_c = mlx5e_get_match_headers_criteria(actions, spec);
     headers_v = mlx5e_get_match_headers_value(actions, spec);
     ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype);
 
     /* for non-IP we only re-write MACs, so we're okay */
     if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 &&
         ethertype != ETH_P_IP && ethertype != ETH_P_IPV6)
         goto out_ok;
 
     modify_ip_header = false;
     modify_tuple = false;
     flow_action_for_each(i, act, flow_action) {
         if (act->id != FLOW_ACTION_MANGLE &&
             act->id != FLOW_ACTION_ADD)
             continue;
 
         if (!is_action_keys_supported(act, ct_flow,
                           &modify_ip_header,
                           &modify_tuple, extack))
             return false;
     }
 
     if (!modify_tuple_supported(modify_tuple, ct_clear, ct_flow, extack,
                     priv, spec))
         return false;
 
     ip_proto = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ip_protocol);
     if (modify_ip_header && ip_proto != IPPROTO_TCP &&
         ip_proto != IPPROTO_UDP && ip_proto != IPPROTO_ICMP) {
         NL_SET_ERR_MSG_MOD(extack,
                    "can't offload re-write of non TCP/UDP");
         netdev_info(priv->netdev, "can't offload re-write of ip proto %d\n",
                 ip_proto);
         return false;
     }
 
 out_ok:
     return true;
 }
 
 static bool
 actions_match_supported_fdb(struct mlx5e_priv *priv,
                 struct mlx5e_tc_flow_parse_attr *parse_attr,
                 struct mlx5e_tc_flow *flow,
                 struct netlink_ext_ack *extack)
 {
     struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr;
     bool ct_flow, ct_clear;
 
     ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR;
     ct_flow = flow_flag_test(flow, CT) && !ct_clear;
 
     if (esw_attr->split_count && ct_flow &&
         !MLX5_CAP_GEN(esw_attr->in_mdev, reg_c_preserve)) {
         /* All registers used by ct are cleared when using
          * split rules.
          */
         NL_SET_ERR_MSG_MOD(extack, "Can't offload mirroring with action ct");
         return false;
     }
 
     if (esw_attr->split_count > 0 && !mlx5_esw_has_fwd_fdb(priv->mdev)) {
         NL_SET_ERR_MSG_MOD(extack,
                    "current firmware doesn't support split rule for port mirroring");
         netdev_warn_once(priv->netdev,
                  "current firmware doesn't support split rule for port mirroring\n");
         return false;
     }
 
     return true;
 }
 
 static bool
 actions_match_supported(struct mlx5e_priv *priv,
             struct flow_action *flow_action,
             u32 actions,
             struct mlx5e_tc_flow_parse_attr *parse_attr,
             struct mlx5e_tc_flow *flow,
             struct netlink_ext_ack *extack)
 {
     bool ct_flow, ct_clear;
 
     ct_clear = flow->attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR;
     ct_flow = flow_flag_test(flow, CT) && !ct_clear;
 
     if (!(actions &
           (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) {
         NL_SET_ERR_MSG_MOD(extack, "Rule must have at least one forward/drop action");
         return false;
     }
 
     if (!(~actions &
           (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) {
         NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action");
         return false;
     }
 
     if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
         actions & MLX5_FLOW_CONTEXT_ACTION_DROP) {
         NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported");
         return false;
     }
 
     if (!(~actions &
           (MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_DROP))) {
         NL_SET_ERR_MSG_MOD(extack, "Rule cannot support forward+drop action");
         return false;
     }
 
     if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
         actions & MLX5_FLOW_CONTEXT_ACTION_DROP) {
         NL_SET_ERR_MSG_MOD(extack, "Drop with modify header action is not supported");
         return false;
     }
 
     if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR &&
         !modify_header_match_supported(priv, &parse_attr->spec, flow_action,
                        actions, ct_flow, ct_clear, extack))
         return false;
 
     if (mlx5e_is_eswitch_flow(flow) &&
         !actions_match_supported_fdb(priv, parse_attr, flow, extack))
         return false;
 
     return true;
 }
 
 static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
 {
     return priv->mdev == peer_priv->mdev;
 }
 
 bool mlx5e_same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
 {
     struct mlx5_core_dev *fmdev, *pmdev;
     u64 fsystem_guid, psystem_guid;
 
     fmdev = priv->mdev;
     pmdev = peer_priv->mdev;
 
     fsystem_guid = mlx5_query_nic_system_image_guid(fmdev);
     psystem_guid = mlx5_query_nic_system_image_guid(pmdev);
 
     return (fsystem_guid == psystem_guid);
 }
 
 static int
 actions_prepare_mod_hdr_actions(struct mlx5e_priv *priv,
                 struct mlx5e_tc_flow *flow,
                 struct mlx5_flow_attr *attr,
                 struct netlink_ext_ack *extack)
 {
     struct mlx5e_tc_flow_parse_attr *parse_attr = attr->parse_attr;
     struct pedit_headers_action *hdrs = parse_attr->hdrs;
     enum mlx5_flow_namespace_type ns_type;
     int err;
 
     if (!hdrs[TCA_PEDIT_KEY_EX_CMD_SET].pedits &&
         !hdrs[TCA_PEDIT_KEY_EX_CMD_ADD].pedits)
         return 0;
 
     ns_type = mlx5e_get_flow_namespace(flow);
 
     err = alloc_tc_pedit_action(priv, ns_type, parse_attr, &attr->action, extack);
     if (err)
         return err;
 
     if (parse_attr->mod_hdr_acts.num_actions > 0)
         return 0;
 
     /* In case all pedit actions are skipped, remove the MOD_HDR flag. */
     attr->action &= ~MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
     mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts);
 
     if (ns_type != MLX5_FLOW_NAMESPACE_FDB)
         return 0;
 
     if (!((attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_POP) ||
           (attr->action & MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH)))
         attr->esw_attr->split_count = 0;
 
     return 0;
 }
 
 static struct mlx5_flow_attr*
 mlx5e_clone_flow_attr_for_post_act(struct mlx5_flow_attr *attr,
                    enum mlx5_flow_namespace_type ns_type)
 {
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     u32 attr_sz = ns_to_attr_sz(ns_type);
     struct mlx5_flow_attr *attr2;
 
     attr2 = mlx5_alloc_flow_attr(ns_type);
     parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL);
     if (!attr2 || !parse_attr) {
         kvfree(parse_attr);
         kfree(attr2);
         return NULL;
     }
 
     memcpy(attr2, attr, attr_sz);
     INIT_LIST_HEAD(&attr2->list);
     parse_attr->filter_dev = attr->parse_attr->filter_dev;
     attr2->action = 0;
     attr2->flags = 0;
     attr2->parse_attr = parse_attr;
     return attr2;
 }
 
 static struct mlx5_core_dev *
 get_flow_counter_dev(struct mlx5e_tc_flow *flow)
 {
     return mlx5e_is_eswitch_flow(flow) ? flow->attr->esw_attr->counter_dev : flow->priv->mdev;
 }
 
 struct mlx5_flow_attr *
 mlx5e_tc_get_encap_attr(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_esw_flow_attr *esw_attr;
     struct mlx5_flow_attr *attr;
     int i;
 
     list_for_each_entry(attr, &flow->attrs, list) {
         esw_attr = attr->esw_attr;
         for (i = 0; i < MLX5_MAX_FLOW_FWD_VPORTS; i++) {
             if (esw_attr->dests[i].flags & MLX5_ESW_DEST_ENCAP)
                 return attr;
         }
     }
 
     return NULL;
 }
 
 void
 mlx5e_tc_unoffload_flow_post_acts(struct mlx5e_tc_flow *flow)
 {
     struct mlx5e_post_act *post_act = get_post_action(flow->priv);
     struct mlx5_flow_attr *attr;
 
     list_for_each_entry(attr, &flow->attrs, list) {
         if (list_is_last(&attr->list, &flow->attrs))
             break;
 
         mlx5e_tc_post_act_unoffload(post_act, attr->post_act_handle);
     }
 }
 
 static void
 free_flow_post_acts(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_core_dev *counter_dev = get_flow_counter_dev(flow);
     struct mlx5e_post_act *post_act = get_post_action(flow->priv);
     struct mlx5_flow_attr *attr, *tmp;
     bool vf_tun;
 
     list_for_each_entry_safe(attr, tmp, &flow->attrs, list) {
         if (list_is_last(&attr->list, &flow->attrs))
             break;
 
         if (attr->post_act_handle)
             mlx5e_tc_post_act_del(post_act, attr->post_act_handle);
 
         clean_encap_dests(flow->priv, flow, attr, &vf_tun);
 
         if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
             mlx5_fc_destroy(counter_dev, attr->counter);
 
         if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
             mlx5e_mod_hdr_dealloc(&attr->parse_attr->mod_hdr_acts);
             if (attr->modify_hdr)
                 mlx5_modify_header_dealloc(flow->priv->mdev, attr->modify_hdr);
         }
 
         list_del(&attr->list);
         kvfree(attr->parse_attr);
         kfree(attr);
     }
 }
 
 int
 mlx5e_tc_offload_flow_post_acts(struct mlx5e_tc_flow *flow)
 {
     struct mlx5e_post_act *post_act = get_post_action(flow->priv);
     struct mlx5_flow_attr *attr;
     int err = 0;
 
     list_for_each_entry(attr, &flow->attrs, list) {
         if (list_is_last(&attr->list, &flow->attrs))
             break;
 
         err = mlx5e_tc_post_act_offload(post_act, attr->post_act_handle);
         if (err)
             break;
     }
 
     return err;
 }
 
 /* TC filter rule HW translation:
  *
  * +---------------------+
  * + ft prio (tc chain)  +
  * + original match      +
  * +---------------------+
  *           |
  *           | if multi table action
  *           |
  *           v
  * +---------------------+
  * + post act ft         |<----.
  * + match fte id        |     | split on multi table action
  * + do actions          |-----'
  * +---------------------+
  *           |
  *           |
  *           v
  * Do rest of the actions after last multi table action.
  */
 static int
 alloc_flow_post_acts(struct mlx5e_tc_flow *flow, struct netlink_ext_ack *extack)
 {
     struct mlx5e_post_act *post_act = get_post_action(flow->priv);
     struct mlx5_flow_attr *attr, *next_attr = NULL;
     struct mlx5e_post_act_handle *handle;
     bool vf_tun, encap_valid = true;
     int err;
 
     /* This is going in reverse order as needed.
      * The first entry is the last attribute.
      */
     list_for_each_entry(attr, &flow->attrs, list) {
         if (!next_attr) {
             /* Set counter action on last post act rule. */
             attr->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
         } else {
             err = mlx5e_tc_act_set_next_post_act(flow, attr, next_attr);
             if (err)
                 goto out_free;
         }
 
         /* Don't add post_act rule for first attr (last in the list).
          * It's being handled by the caller.
          */
         if (list_is_last(&attr->list, &flow->attrs))
             break;
 
         err = set_encap_dests(flow->priv, flow, attr, extack, &encap_valid, &vf_tun);
         if (err)
             goto out_free;
 
         if (!encap_valid)
             flow_flag_set(flow, SLOW);
 
         err = actions_prepare_mod_hdr_actions(flow->priv, flow, attr, extack);
         if (err)
             goto out_free;
 
         if (attr->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) {
             err = mlx5e_tc_add_flow_mod_hdr(flow->priv, flow, attr);
             if (err)
                 goto out_free;
         }
 
         if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
             err = alloc_flow_attr_counter(get_flow_counter_dev(flow), attr);
             if (err)
                 goto out_free;
         }
 
         handle = mlx5e_tc_post_act_add(post_act, attr);
         if (IS_ERR(handle)) {
             err = PTR_ERR(handle);
             goto out_free;
         }
 
         attr->post_act_handle = handle;
         next_attr = attr;
     }
 
     if (flow_flag_test(flow, SLOW))
         goto out;
 
     err = mlx5e_tc_offload_flow_post_acts(flow);
     if (err)
         goto out_free;
 
 out:
     return 0;
 
 out_free:
     free_flow_post_acts(flow);
     return err;
 }
 
 static int
 parse_tc_actions(struct mlx5e_tc_act_parse_state *parse_state,
          struct flow_action *flow_action)
 {
     struct netlink_ext_ack *extack = parse_state->extack;
     struct mlx5e_tc_flow_action flow_action_reorder;
     struct mlx5e_tc_flow *flow = parse_state->flow;
     struct mlx5_flow_attr *attr = flow->attr;
     enum mlx5_flow_namespace_type ns_type;
     struct mlx5e_priv *priv = flow->priv;
     struct flow_action_entry *act, **_act;
     struct mlx5e_tc_act *tc_act;
     int err, i;
 
     flow_action_reorder.num_entries = flow_action->num_entries;
     flow_action_reorder.entries = kcalloc(flow_action->num_entries,
                           sizeof(flow_action), GFP_KERNEL);
     if (!flow_action_reorder.entries)
         return -ENOMEM;
 
     mlx5e_tc_act_reorder_flow_actions(flow_action, &flow_action_reorder);
 
     ns_type = mlx5e_get_flow_namespace(flow);
     list_add(&attr->list, &flow->attrs);
 
     flow_action_for_each(i, _act, &flow_action_reorder) {
         act = *_act;
         tc_act = mlx5e_tc_act_get(act->id, ns_type);
         if (!tc_act) {
             NL_SET_ERR_MSG_MOD(extack, "Not implemented offload action");
             err = -EOPNOTSUPP;
             goto out_free;
         }
 
         if (!tc_act->can_offload(parse_state, act, i, attr)) {
             err = -EOPNOTSUPP;
             goto out_free;
         }
 
         err = tc_act->parse_action(parse_state, act, priv, attr);
         if (err)
             goto out_free;
 
         parse_state->actions |= attr->action;
 
         /* Split attr for multi table act if not the last act. */
         if (tc_act->is_multi_table_act &&
             tc_act->is_multi_table_act(priv, act, attr) &&
             i < flow_action_reorder.num_entries - 1) {
             err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type);
             if (err)
                 goto out_free;
 
             attr = mlx5e_clone_flow_attr_for_post_act(flow->attr, ns_type);
             if (!attr) {
                 err = -ENOMEM;
                 goto out_free;
             }
 
             list_add(&attr->list, &flow->attrs);
         }
     }
 
     kfree(flow_action_reorder.entries);
 
     err = mlx5e_tc_act_post_parse(parse_state, flow_action, attr, ns_type);
     if (err)
         goto out_free_post_acts;
 
     err = alloc_flow_post_acts(flow, extack);
     if (err)
         goto out_free_post_acts;
 
     return 0;
 
 out_free:
     kfree(flow_action_reorder.entries);
 out_free_post_acts:
     free_flow_post_acts(flow);
 
     return err;
 }
 
 static int
 flow_action_supported(struct flow_action *flow_action,
               struct netlink_ext_ack *extack)
 {
     if (!flow_action_has_entries(flow_action)) {
         NL_SET_ERR_MSG_MOD(extack, "Flow action doesn't have any entries");
         return -EINVAL;
     }
 
     if (!flow_action_hw_stats_check(flow_action, extack,
                     FLOW_ACTION_HW_STATS_DELAYED_BIT)) {
         NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported");
         return -EOPNOTSUPP;
     }
 
     return 0;
 }
 
 static int
 parse_tc_nic_actions(struct mlx5e_priv *priv,
              struct flow_action *flow_action,
              struct mlx5e_tc_flow *flow,
              struct netlink_ext_ack *extack)
 {
     struct mlx5e_tc_act_parse_state *parse_state;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5_flow_attr *attr = flow->attr;
     int err;
 
     err = flow_action_supported(flow_action, extack);
     if (err)
         return err;
 
     attr->nic_attr->flow_tag = MLX5_FS_DEFAULT_FLOW_TAG;
     parse_attr = attr->parse_attr;
     parse_state = &parse_attr->parse_state;
     mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack);
     parse_state->ct_priv = get_ct_priv(priv);
 
     err = parse_tc_actions(parse_state, flow_action);
     if (err)
         return err;
 
     err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack);
     if (err)
         return err;
 
     if (!actions_match_supported(priv, flow_action, parse_state->actions,
                      parse_attr, flow, extack))
         return -EOPNOTSUPP;
 
     return 0;
 }
 
 static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv,
                   struct net_device *peer_netdev)
 {
     struct mlx5e_priv *peer_priv;
 
     peer_priv = netdev_priv(peer_netdev);
 
     return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) &&
         mlx5e_eswitch_vf_rep(priv->netdev) &&
         mlx5e_eswitch_vf_rep(peer_netdev) &&
         mlx5e_same_hw_devs(priv, peer_priv));
 }
 
 static bool same_hw_reps(struct mlx5e_priv *priv,
              struct net_device *peer_netdev)
 {
     struct mlx5e_priv *peer_priv;
 
     peer_priv = netdev_priv(peer_netdev);
 
     return mlx5e_eswitch_rep(priv->netdev) &&
            mlx5e_eswitch_rep(peer_netdev) &&
            mlx5e_same_hw_devs(priv, peer_priv);
 }
 
 static bool is_lag_dev(struct mlx5e_priv *priv,
                struct net_device *peer_netdev)
 {
     return ((mlx5_lag_is_sriov(priv->mdev) ||
          mlx5_lag_is_multipath(priv->mdev)) &&
          same_hw_reps(priv, peer_netdev));
 }
 
 static bool is_multiport_eligible(struct mlx5e_priv *priv, struct net_device *out_dev)
 {
     if (same_hw_reps(priv, out_dev) &&
         MLX5_CAP_PORT_SELECTION(priv->mdev, port_select_flow_table) &&
         MLX5_CAP_GEN(priv->mdev, create_lag_when_not_master_up))
         return true;
 
     return false;
 }
 
 bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv,
                     struct net_device *out_dev)
 {
     if (is_merged_eswitch_vfs(priv, out_dev))
         return true;
 
     if (is_multiport_eligible(priv, out_dev))
         return true;
 
     if (is_lag_dev(priv, out_dev))
         return true;
 
     return mlx5e_eswitch_rep(out_dev) &&
            same_port_devs(priv, netdev_priv(out_dev));
 }
 
 int mlx5e_set_fwd_to_int_port_actions(struct mlx5e_priv *priv,
                       struct mlx5_flow_attr *attr,
                       int ifindex,
                       enum mlx5e_tc_int_port_type type,
                       u32 *action,
                       int out_index)
 {
     struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
     struct mlx5e_tc_int_port_priv *int_port_priv;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5e_tc_int_port *dest_int_port;
     int err;
 
     parse_attr = attr->parse_attr;
     int_port_priv = mlx5e_get_int_port_priv(priv);
 
     dest_int_port = mlx5e_tc_int_port_get(int_port_priv, ifindex, type);
     if (IS_ERR(dest_int_port))
         return PTR_ERR(dest_int_port);
 
     err = mlx5e_tc_match_to_reg_set(priv->mdev, &parse_attr->mod_hdr_acts,
                     MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG,
                     mlx5e_tc_int_port_get_metadata(dest_int_port));
     if (err) {
         mlx5e_tc_int_port_put(int_port_priv, dest_int_port);
         return err;
     }
 
     *action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
 
     esw_attr->dest_int_port = dest_int_port;
     esw_attr->dests[out_index].flags |= MLX5_ESW_DEST_CHAIN_WITH_SRC_PORT_CHANGE;
 
     /* Forward to root fdb for matching against the new source vport */
     attr->dest_chain = 0;
 
     return 0;
 }
 
 static int
 parse_tc_fdb_actions(struct mlx5e_priv *priv,
              struct flow_action *flow_action,
              struct mlx5e_tc_flow *flow,
              struct netlink_ext_ack *extack)
 {
     struct mlx5e_tc_act_parse_state *parse_state;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5_flow_attr *attr = flow->attr;
     struct mlx5_esw_flow_attr *esw_attr;
     int err;
 
     err = flow_action_supported(flow_action, extack);
     if (err)
         return err;
 
     esw_attr = attr->esw_attr;
     parse_attr = attr->parse_attr;
     parse_state = &parse_attr->parse_state;
     mlx5e_tc_act_init_parse_state(parse_state, flow, flow_action, extack);
     parse_state->ct_priv = get_ct_priv(priv);
 
     err = parse_tc_actions(parse_state, flow_action);
     if (err)
         return err;
 
     /* Forward to/from internal port can only have 1 dest */
     if ((netif_is_ovs_master(parse_attr->filter_dev) || esw_attr->dest_int_port) &&
         esw_attr->out_count > 1) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Rules with internal port can have only one destination");
         return -EOPNOTSUPP;
     }
 
     err = actions_prepare_mod_hdr_actions(priv, flow, attr, extack);
     if (err)
         return err;
 
     if (!actions_match_supported(priv, flow_action, parse_state->actions,
                      parse_attr, flow, extack))
         return -EOPNOTSUPP;
 
     return 0;
 }
 
 static void get_flags(int flags, unsigned long *flow_flags)
 {
     unsigned long __flow_flags = 0;
 
     if (flags & MLX5_TC_FLAG(INGRESS))
         __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_INGRESS);
     if (flags & MLX5_TC_FLAG(EGRESS))
         __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_EGRESS);
 
     if (flags & MLX5_TC_FLAG(ESW_OFFLOAD))
         __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH);
     if (flags & MLX5_TC_FLAG(NIC_OFFLOAD))
         __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC);
     if (flags & MLX5_TC_FLAG(FT_OFFLOAD))
         __flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_FT);
 
     *flow_flags = __flow_flags;
 }
 
 static const struct rhashtable_params tc_ht_params = {
     .head_offset = offsetof(struct mlx5e_tc_flow, node),
     .key_offset = offsetof(struct mlx5e_tc_flow, cookie),
     .key_len = sizeof(((struct mlx5e_tc_flow *)0)->cookie),
     .automatic_shrinking = true,
 };
 
 static struct rhashtable *get_tc_ht(struct mlx5e_priv *priv,
                     unsigned long flags)
 {
     struct mlx5e_rep_priv *rpriv;
 
     if (flags & MLX5_TC_FLAG(ESW_OFFLOAD)) {
         rpriv = priv->ppriv;
         return &rpriv->tc_ht;
     } else /* NIC offload */
         return &priv->fs->tc->ht;
 }
 
 static bool is_peer_flow_needed(struct mlx5e_tc_flow *flow)
 {
     struct mlx5_esw_flow_attr *esw_attr = flow->attr->esw_attr;
     struct mlx5_flow_attr *attr = flow->attr;
     bool is_rep_ingress = esw_attr->in_rep->vport != MLX5_VPORT_UPLINK &&
         flow_flag_test(flow, INGRESS);
     bool act_is_encap = !!(attr->action &
                    MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT);
     bool esw_paired = mlx5_devcom_is_paired(esw_attr->in_mdev->priv.devcom,
                         MLX5_DEVCOM_ESW_OFFLOADS);
 
     if (!esw_paired)
         return false;
 
     if ((mlx5_lag_is_sriov(esw_attr->in_mdev) ||
          mlx5_lag_is_multipath(esw_attr->in_mdev)) &&
         (is_rep_ingress || act_is_encap))
         return true;
 
     return false;
 }
 
 struct mlx5_flow_attr *
 mlx5_alloc_flow_attr(enum mlx5_flow_namespace_type type)
 {
     u32 ex_attr_size = (type == MLX5_FLOW_NAMESPACE_FDB)  ?
                 sizeof(struct mlx5_esw_flow_attr) :
                 sizeof(struct mlx5_nic_flow_attr);
     struct mlx5_flow_attr *attr;
 
     attr = kzalloc(sizeof(*attr) + ex_attr_size, GFP_KERNEL);
     if (!attr)
         return attr;
 
     INIT_LIST_HEAD(&attr->list);
     return attr;
 }
 
 static int
 mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size,
          struct flow_cls_offload *f, unsigned long flow_flags,
          struct mlx5e_tc_flow_parse_attr **__parse_attr,
          struct mlx5e_tc_flow **__flow)
 {
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5_flow_attr *attr;
     struct mlx5e_tc_flow *flow;
     int err = -ENOMEM;
     int out_index;
 
     flow = kzalloc(sizeof(*flow), GFP_KERNEL);
     parse_attr = kvzalloc(sizeof(*parse_attr), GFP_KERNEL);
     if (!parse_attr || !flow)
         goto err_free;
 
     flow->flags = flow_flags;
     flow->cookie = f->cookie;
     flow->priv = priv;
 
     attr = mlx5_alloc_flow_attr(mlx5e_get_flow_namespace(flow));
     if (!attr)
         goto err_free;
 
     flow->attr = attr;
 
     for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++)
         INIT_LIST_HEAD(&flow->encaps[out_index].list);
     INIT_LIST_HEAD(&flow->hairpin);
     INIT_LIST_HEAD(&flow->l3_to_l2_reformat);
     INIT_LIST_HEAD(&flow->attrs);
     refcount_set(&flow->refcnt, 1);
     init_completion(&flow->init_done);
     init_completion(&flow->del_hw_done);
 
     *__flow = flow;
     *__parse_attr = parse_attr;
 
     return 0;
 
 err_free:
     kfree(flow);
     kvfree(parse_attr);
     return err;
 }
 
 static void
 mlx5e_flow_attr_init(struct mlx5_flow_attr *attr,
              struct mlx5e_tc_flow_parse_attr *parse_attr,
              struct flow_cls_offload *f)
 {
     attr->parse_attr = parse_attr;
     attr->chain = f->common.chain_index;
     attr->prio = f->common.prio;
 }
 
 static void
 mlx5e_flow_esw_attr_init(struct mlx5_flow_attr *attr,
              struct mlx5e_priv *priv,
              struct mlx5e_tc_flow_parse_attr *parse_attr,
              struct flow_cls_offload *f,
              struct mlx5_eswitch_rep *in_rep,
              struct mlx5_core_dev *in_mdev)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
 
     mlx5e_flow_attr_init(attr, parse_attr, f);
 
     esw_attr->in_rep = in_rep;
     esw_attr->in_mdev = in_mdev;
 
     if (MLX5_CAP_ESW(esw->dev, counter_eswitch_affinity) ==
         MLX5_COUNTER_SOURCE_ESWITCH)
         esw_attr->counter_dev = in_mdev;
     else
         esw_attr->counter_dev = priv->mdev;
 }
 
 static struct mlx5e_tc_flow *
 __mlx5e_add_fdb_flow(struct mlx5e_priv *priv,
              struct flow_cls_offload *f,
              unsigned long flow_flags,
              struct net_device *filter_dev,
              struct mlx5_eswitch_rep *in_rep,
              struct mlx5_core_dev *in_mdev)
 {
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     struct netlink_ext_ack *extack = f->common.extack;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5e_tc_flow *flow;
     int attr_size, err;
 
     flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_ESWITCH);
     attr_size  = sizeof(struct mlx5_esw_flow_attr);
     err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags,
                    &parse_attr, &flow);
     if (err)
         goto out;
 
     parse_attr->filter_dev = filter_dev;
     mlx5e_flow_esw_attr_init(flow->attr,
                  priv, parse_attr,
                  f, in_rep, in_mdev);
 
     err = parse_cls_flower(flow->priv, flow, &parse_attr->spec,
                    f, filter_dev);
     if (err)
         goto err_free;
 
     /* actions validation depends on parsing the ct matches first */
     err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f,
                    &flow->attr->ct_attr, extack);
     if (err)
         goto err_free;
 
     /* always set IP version for indirect table handling */
     flow->attr->ip_version = mlx5e_tc_get_ip_version(&parse_attr->spec, true);
 
     err = parse_tc_fdb_actions(priv, &rule->action, flow, extack);
     if (err)
         goto err_free;
 
     if (flow->attr->lag.count) {
         err = mlx5_lag_add_mpesw_rule(esw->dev);
         if (err)
             goto err_free;
     }
 
     err = mlx5e_tc_add_fdb_flow(priv, flow, extack);
     complete_all(&flow->init_done);
     if (err) {
         if (!(err == -ENETUNREACH && mlx5_lag_is_multipath(in_mdev)))
             goto err_lag;
 
         add_unready_flow(flow);
     }
 
     return flow;
 
 err_lag:
     if (flow->attr->lag.count)
         mlx5_lag_del_mpesw_rule(esw->dev);
 err_free:
     mlx5e_flow_put(priv, flow);
 out:
     return ERR_PTR(err);
 }
 
 static int mlx5e_tc_add_fdb_peer_flow(struct flow_cls_offload *f,
                       struct mlx5e_tc_flow *flow,
                       unsigned long flow_flags)
 {
     struct mlx5e_priv *priv = flow->priv, *peer_priv;
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch, *peer_esw;
     struct mlx5_esw_flow_attr *attr = flow->attr->esw_attr;
     struct mlx5_devcom *devcom = priv->mdev->priv.devcom;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5e_rep_priv *peer_urpriv;
     struct mlx5e_tc_flow *peer_flow;
     struct mlx5_core_dev *in_mdev;
     int err = 0;
 
     peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
     if (!peer_esw)
         return -ENODEV;
 
     peer_urpriv = mlx5_eswitch_get_uplink_priv(peer_esw, REP_ETH);
     peer_priv = netdev_priv(peer_urpriv->netdev);
 
     /* in_mdev is assigned of which the packet originated from.
      * So packets redirected to uplink use the same mdev of the
      * original flow and packets redirected from uplink use the
      * peer mdev.
      */
     if (attr->in_rep->vport == MLX5_VPORT_UPLINK)
         in_mdev = peer_priv->mdev;
     else
         in_mdev = priv->mdev;
 
     parse_attr = flow->attr->parse_attr;
     peer_flow = __mlx5e_add_fdb_flow(peer_priv, f, flow_flags,
                      parse_attr->filter_dev,
                      attr->in_rep, in_mdev);
     if (IS_ERR(peer_flow)) {
         err = PTR_ERR(peer_flow);
         goto out;
     }
 
     flow->peer_flow = peer_flow;
     flow_flag_set(flow, DUP);
     mutex_lock(&esw->offloads.peer_mutex);
     list_add_tail(&flow->peer, &esw->offloads.peer_flows);
     mutex_unlock(&esw->offloads.peer_mutex);
 
 out:
     mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
     return err;
 }
 
 static int
 mlx5e_add_fdb_flow(struct mlx5e_priv *priv,
            struct flow_cls_offload *f,
            unsigned long flow_flags,
            struct net_device *filter_dev,
            struct mlx5e_tc_flow **__flow)
 {
     struct mlx5e_rep_priv *rpriv = priv->ppriv;
     struct mlx5_eswitch_rep *in_rep = rpriv->rep;
     struct mlx5_core_dev *in_mdev = priv->mdev;
     struct mlx5e_tc_flow *flow;
     int err;
 
     flow = __mlx5e_add_fdb_flow(priv, f, flow_flags, filter_dev, in_rep,
                     in_mdev);
     if (IS_ERR(flow))
         return PTR_ERR(flow);
 
     if (is_peer_flow_needed(flow)) {
         err = mlx5e_tc_add_fdb_peer_flow(f, flow, flow_flags);
         if (err) {
             mlx5e_tc_del_fdb_flow(priv, flow);
             goto out;
         }
     }
 
     *__flow = flow;
 
     return 0;
 
 out:
     return err;
 }
 
 static int
 mlx5e_add_nic_flow(struct mlx5e_priv *priv,
            struct flow_cls_offload *f,
            unsigned long flow_flags,
            struct net_device *filter_dev,
            struct mlx5e_tc_flow **__flow)
 {
     struct flow_rule *rule = flow_cls_offload_flow_rule(f);
     struct netlink_ext_ack *extack = f->common.extack;
     struct mlx5e_tc_flow_parse_attr *parse_attr;
     struct mlx5e_tc_flow *flow;
     int attr_size, err;
 
     if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) {
         if (!tc_cls_can_offload_and_chain0(priv->netdev, &f->common))
             return -EOPNOTSUPP;
     } else if (!tc_can_offload_extack(priv->netdev, f->common.extack)) {
         return -EOPNOTSUPP;
     }
 
     flow_flags |= BIT(MLX5E_TC_FLOW_FLAG_NIC);
     attr_size  = sizeof(struct mlx5_nic_flow_attr);
     err = mlx5e_alloc_flow(priv, attr_size, f, flow_flags,
                    &parse_attr, &flow);
     if (err)
         goto out;
 
     parse_attr->filter_dev = filter_dev;
     mlx5e_flow_attr_init(flow->attr, parse_attr, f);
 
     err = parse_cls_flower(flow->priv, flow, &parse_attr->spec,
                    f, filter_dev);
     if (err)
         goto err_free;
 
     err = mlx5_tc_ct_match_add(get_ct_priv(priv), &parse_attr->spec, f,
                    &flow->attr->ct_attr, extack);
     if (err)
         goto err_free;
 
     err = parse_tc_nic_actions(priv, &rule->action, flow, extack);
     if (err)
         goto err_free;
 
     err = mlx5e_tc_add_nic_flow(priv, flow, extack);
     if (err)
         goto err_free;
 
     flow_flag_set(flow, OFFLOADED);
     *__flow = flow;
 
     return 0;
 
 err_free:
     flow_flag_set(flow, FAILED);
     mlx5e_mod_hdr_dealloc(&parse_attr->mod_hdr_acts);
     mlx5e_flow_put(priv, flow);
 out:
     return err;
 }
 
 static int
 mlx5e_tc_add_flow(struct mlx5e_priv *priv,
           struct flow_cls_offload *f,
           unsigned long flags,
           struct net_device *filter_dev,
           struct mlx5e_tc_flow **flow)
 {
     struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
     unsigned long flow_flags;
     int err;
 
     get_flags(flags, &flow_flags);
 
     if (!tc_can_offload_extack(priv->netdev, f->common.extack))
         return -EOPNOTSUPP;
 
     if (esw && esw->mode == MLX5_ESWITCH_OFFLOADS)
         err = mlx5e_add_fdb_flow(priv, f, flow_flags,
                      filter_dev, flow);
     else
         err = mlx5e_add_nic_flow(priv, f, flow_flags,
                      filter_dev, flow);
 
     return err;
 }
 
 static bool is_flow_rule_duplicate_allowed(struct net_device *dev,
                        struct mlx5e_rep_priv *rpriv)
 {
     /* Offloaded flow rule is allowed to duplicate on non-uplink representor
      * sharing tc block with other slaves of a lag device. Rpriv can be NULL if this
      * function is called from NIC mode.
      */
     return netif_is_lag_port(dev) && rpriv && rpriv->rep->vport != MLX5_VPORT_UPLINK;
 }
 
 int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
                struct flow_cls_offload *f, unsigned long flags)
 {
     struct netlink_ext_ack *extack = f->common.extack;
     struct rhashtable *tc_ht = get_tc_ht(priv, flags);
     struct mlx5e_rep_priv *rpriv = priv->ppriv;
     struct mlx5e_tc_flow *flow;
     int err = 0;
 
     if (!mlx5_esw_hold(priv->mdev))
         return -EAGAIN;
 
     mlx5_esw_get(priv->mdev);
 
     rcu_read_lock();
     flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params);
     if (flow) {
         /* Same flow rule offloaded to non-uplink representor sharing tc block,
          * just return 0.
          */
         if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev)
             goto rcu_unlock;
 
         NL_SET_ERR_MSG_MOD(extack,
                    "flow cookie already exists, ignoring");
         netdev_warn_once(priv->netdev,
                  "flow cookie %lx already exists, ignoring\n",
                  f->cookie);
         err = -EEXIST;
         goto rcu_unlock;
     }
 rcu_unlock:
     rcu_read_unlock();
     if (flow)
         goto out;
 
     trace_mlx5e_configure_flower(f);
     err = mlx5e_tc_add_flow(priv, f, flags, dev, &flow);
     if (err)
         goto out;
 
     /* Flow rule offloaded to non-uplink representor sharing tc block,
      * set the flow's owner dev.
      */
     if (is_flow_rule_duplicate_allowed(dev, rpriv))
         flow->orig_dev = dev;
 
     err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params);
     if (err)
         goto err_free;
 
     mlx5_esw_release(priv->mdev);
     return 0;
 
 err_free:
     mlx5e_flow_put(priv, flow);
 out:
     mlx5_esw_put(priv->mdev);
     mlx5_esw_release(priv->mdev);
     return err;
 }
 
 static bool same_flow_direction(struct mlx5e_tc_flow *flow, int flags)
 {
     bool dir_ingress = !!(flags & MLX5_TC_FLAG(INGRESS));
     bool dir_egress = !!(flags & MLX5_TC_FLAG(EGRESS));
 
     return flow_flag_test(flow, INGRESS) == dir_ingress &&
         flow_flag_test(flow, EGRESS) == dir_egress;
 }
 
 int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv,
             struct flow_cls_offload *f, unsigned long flags)
 {
     struct rhashtable *tc_ht = get_tc_ht(priv, flags);
     struct mlx5e_tc_flow *flow;
     int err;
 
     rcu_read_lock();
     flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params);
     if (!flow || !same_flow_direction(flow, flags)) {
         err = -EINVAL;
         goto errout;
     }
 
     /* Only delete the flow if it doesn't have MLX5E_TC_FLOW_DELETED flag
      * set.
      */
     if (flow_flag_test_and_set(flow, DELETED)) {
         err = -EINVAL;
         goto errout;
     }
     rhashtable_remove_fast(tc_ht, &flow->node, tc_ht_params);
     rcu_read_unlock();
 
     trace_mlx5e_delete_flower(f);
     mlx5e_flow_put(priv, flow);
 
     mlx5_esw_put(priv->mdev);
     return 0;
 
 errout:
     rcu_read_unlock();
     return err;
 }
 
 int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv,
                struct flow_cls_offload *f, unsigned long flags)
 {
     struct mlx5_devcom *devcom = priv->mdev->priv.devcom;
     struct rhashtable *tc_ht = get_tc_ht(priv, flags);
     struct mlx5_eswitch *peer_esw;
     struct mlx5e_tc_flow *flow;
     struct mlx5_fc *counter;
     u64 lastuse = 0;
     u64 packets = 0;
     u64 bytes = 0;
     int err = 0;
 
     rcu_read_lock();
     flow = mlx5e_flow_get(rhashtable_lookup(tc_ht, &f->cookie,
                         tc_ht_params));
     rcu_read_unlock();
     if (IS_ERR(flow))
         return PTR_ERR(flow);
 
     if (!same_flow_direction(flow, flags)) {
         err = -EINVAL;
         goto errout;
     }
 
     if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) {
         counter = mlx5e_tc_get_counter(flow);
         if (!counter)
             goto errout;
 
         mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse);
     }
 
     /* Under multipath it's possible for one rule to be currently
      * un-offloaded while the other rule is offloaded.
      */
     peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
     if (!peer_esw)
         goto out;
 
     if (flow_flag_test(flow, DUP) &&
         flow_flag_test(flow->peer_flow, OFFLOADED)) {
         u64 bytes2;
         u64 packets2;
         u64 lastuse2;
 
         counter = mlx5e_tc_get_counter(flow->peer_flow);
         if (!counter)
             goto no_peer_counter;
         mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2);
 
         bytes += bytes2;
         packets += packets2;
         lastuse = max_t(u64, lastuse, lastuse2);
     }
 
 no_peer_counter:
     mlx5_devcom_release_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
 out:
     flow_stats_update(&f->stats, bytes, packets, 0, lastuse,
               FLOW_ACTION_HW_STATS_DELAYED);
     trace_mlx5e_stats_flower(f);
 errout:
     mlx5e_flow_put(priv, flow);
     return err;
 }
 
 static int apply_police_params(struct mlx5e_priv *priv, u64 rate,
                    struct netlink_ext_ack *extack)
 {
     struct mlx5e_rep_priv *rpriv = priv->ppriv;
     struct mlx5_eswitch *esw;
     u32 rate_mbps = 0;
     u16 vport_num;
     int err;
 
     vport_num = rpriv->rep->vport;
     if (vport_num >= MLX5_VPORT_ECPF) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Ingress rate limit is supported only for Eswitch ports connected to VFs");
         return -EOPNOTSUPP;
     }
 
     esw = priv->mdev->priv.eswitch;
     /* rate is given in bytes/sec.
      * First convert to bits/sec and then round to the nearest mbit/secs.
      * mbit means million bits.
      * Moreover, if rate is non zero we choose to configure to a minimum of
      * 1 mbit/sec.
      */
     if (rate) {
         rate = (rate * BITS_PER_BYTE) + 500000;
         do_div(rate, 1000000);
         rate_mbps = max_t(u32, rate, 1);
     }
 
     err = mlx5_esw_qos_modify_vport_rate(esw, vport_num, rate_mbps);
     if (err)
         NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware");
 
     return err;
 }
 
 int mlx5e_policer_validate(const struct flow_action *action,
                const struct flow_action_entry *act,
                struct netlink_ext_ack *extack)
 {
     if (act->police.exceed.act_id != FLOW_ACTION_DROP) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Offload not supported when exceed action is not drop");
         return -EOPNOTSUPP;
     }
 
     if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT &&
         !flow_action_is_last_entry(action, act)) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Offload not supported when conform action is ok, but action is not last");
         return -EOPNOTSUPP;
     }
 
     if (act->police.peakrate_bytes_ps ||
         act->police.avrate || act->police.overhead) {
         NL_SET_ERR_MSG_MOD(extack,
                    "Offload not supported when peakrate/avrate/overhead is configured");
         return -EOPNOTSUPP;
     }
 
     if (act->police.rate_pkt_ps) {
         NL_SET_ERR_MSG_MOD(extack,
                    "QoS offload not support packets per second");
         return -EOPNOTSUPP;
     }
 
     return 0;
 }
 
 static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv,
                     struct flow_action *flow_action,
                     struct netlink_ext_ack *extack)
 {
     struct mlx5e_rep_priv *rpriv = priv->ppriv;
     const struct flow_action_entry *act;
     int err;
     int i;
 
     if (!flow_action_has_entries(flow_action)) {
         NL_SET_ERR_MSG_MOD(extack, "matchall called with no action");
         return -EINVAL;
     }
 
     if (!flow_offload_has_one_action(flow_action)) {
         NL_SET_ERR_MSG_MOD(extack, "matchall policing support only a single action");
         return -EOPNOTSUPP;
     }
 
     if (!flow_action_basic_hw_stats_check(flow_action, extack)) {
         NL_SET_ERR_MSG_MOD(extack, "Flow action HW stats type is not supported");
         return -EOPNOTSUPP;
     }
 
     flow_action_for_each(i, act, flow_action) {
         switch (act->id) {
         case FLOW_ACTION_POLICE:
             if (act->police.notexceed.act_id != FLOW_ACTION_CONTINUE) {
                 NL_SET_ERR_MSG_MOD(extack,
                            "Offload not supported when conform action is not continue");
                 return -EOPNOTSUPP;
             }
 
             err = mlx5e_policer_validate(flow_action, act, extack);
             if (err)
                 return err;
 
             err = apply_police_params(priv, act->police.rate_bytes_ps, extack);
             if (err)
                 return err;
 
             rpriv->prev_vf_vport_stats = priv->stats.vf_vport;
             break;
         default:
             NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall");
             return -EOPNOTSUPP;
         }
     }
 
     return 0;
 }
 
 int mlx5e_tc_configure_matchall(struct mlx5e_priv *priv,
                 struct tc_cls_matchall_offload *ma)
 {
     struct netlink_ext_ack *extack = ma->common.extack;
 
     if (ma->common.prio != 1) {
         NL_SET_ERR_MSG_MOD(extack, "only priority 1 is supported");
         return -EINVAL;
     }
 
     return scan_tc_matchall_fdb_actions(priv, &ma->rule->action, extack);
 }
 
 int mlx5e_tc_delete_matchall(struct mlx5e_priv *priv,
                  struct tc_cls_matchall_offload *ma)
 {
     struct netlink_ext_ack *extack = ma->common.extack;
 
     return apply_police_params(priv, 0, extack);
 }
 
 void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv,
                  struct tc_cls_matchall_offload *ma)
 {
     struct mlx5e_rep_priv *rpriv = priv->ppriv;
     struct rtnl_link_stats64 cur_stats;
     u64 dbytes;
     u64 dpkts;
 
     cur_stats = priv->stats.vf_vport;
     dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets;
     dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes;
     rpriv->prev_vf_vport_stats = cur_stats;
     flow_stats_update(&ma->stats, dbytes, dpkts, 0, jiffies,
               FLOW_ACTION_HW_STATS_DELAYED);
 }
 
 static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv,
                           struct mlx5e_priv *peer_priv)
 {
     struct mlx5_core_dev *peer_mdev = peer_priv->mdev;
     struct mlx5e_hairpin_entry *hpe, *tmp;
     LIST_HEAD(init_wait_list);
     u16 peer_vhca_id;
     int bkt;
 
     if (!mlx5e_same_hw_devs(priv, peer_priv))
         return;
 
     peer_vhca_id = MLX5_CAP_GEN(peer_mdev, vhca_id);
 
     mutex_lock(&priv->fs->tc->hairpin_tbl_lock);
     hash_for_each(priv->fs->tc->hairpin_tbl, bkt, hpe, hairpin_hlist)
         if (refcount_inc_not_zero(&hpe->refcnt))
             list_add(&hpe->dead_peer_wait_list, &init_wait_list);
     mutex_unlock(&priv->fs->tc->hairpin_tbl_lock);
 
     list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) {
         wait_for_completion(&hpe->res_ready);
         if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id)
             mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair);
 
         mlx5e_hairpin_put(priv, hpe);
     }
 }
 
 static int mlx5e_tc_netdev_event(struct notifier_block *this,
                  unsigned long event, void *ptr)
 {
     struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
     struct mlx5e_priv *peer_priv;
     struct mlx5e_tc_table *tc;
     struct mlx5e_priv *priv;
 
     if (ndev->netdev_ops != &mlx5e_netdev_ops ||
         event != NETDEV_UNREGISTER ||
         ndev->reg_state == NETREG_REGISTERED)
         return NOTIFY_DONE;
 
     tc = container_of(this, struct mlx5e_tc_table, netdevice_nb);
     priv = tc->priv;
     peer_priv = netdev_priv(ndev);
     if (priv == peer_priv ||
         !(priv->netdev->features & NETIF_F_HW_TC))
         return NOTIFY_DONE;
 
     mlx5e_tc_hairpin_update_dead_peer(priv, peer_priv);
 
     return NOTIFY_DONE;
 }
 
 static int mlx5e_tc_nic_get_ft_size(struct mlx5_core_dev *dev)
 {
     int tc_grp_size, tc_tbl_size;
     u32 max_flow_counter;
 
     max_flow_counter = (MLX5_CAP_GEN(dev, max_flow_counter_31_16) << 16) |
                 MLX5_CAP_GEN(dev, max_flow_counter_15_0);
 
     tc_grp_size = min_t(int, max_flow_counter, MLX5E_TC_TABLE_MAX_GROUP_SIZE);
 
     tc_tbl_size = min_t(int, tc_grp_size * MLX5E_TC_TABLE_NUM_GROUPS,
                 BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev, log_max_ft_size)));
 
     return tc_tbl_size;
 }
 
 static int mlx5e_tc_nic_create_miss_table(struct mlx5e_priv *priv)
 {
     struct mlx5_flow_table **ft = &priv->fs->tc->miss_t;
     struct mlx5_flow_table_attr ft_attr = {};
     struct mlx5_flow_namespace *ns;
     int err = 0;
 
     ft_attr.max_fte = 1;
     ft_attr.autogroup.max_num_groups = 1;
     ft_attr.level = MLX5E_TC_MISS_LEVEL;
     ft_attr.prio = 0;
     ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_KERNEL);
 
     *ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
     if (IS_ERR(*ft)) {
         err = PTR_ERR(*ft);
         netdev_err(priv->netdev, "failed to create tc nic miss table err=%d\n", err);
     }
 
     return err;
 }
 
 static void mlx5e_tc_nic_destroy_miss_table(struct mlx5e_priv *priv)
 {
     mlx5_destroy_flow_table(priv->fs->tc->miss_t);
 }
 
 int mlx5e_tc_nic_init(struct mlx5e_priv *priv)
 {
     struct mlx5e_tc_table *tc = priv->fs->tc;
     struct mlx5_core_dev *dev = priv->mdev;
     struct mapping_ctx *chains_mapping;
     struct mlx5_chains_attr attr = {};
     u64 mapping_id;
     int err;
 
     mlx5e_mod_hdr_tbl_init(&tc->mod_hdr);
     mutex_init(&tc->t_lock);
     mutex_init(&tc->hairpin_tbl_lock);
     hash_init(tc->hairpin_tbl);
     tc->priv = priv;
 
     err = rhashtable_init(&tc->ht, &tc_ht_params);
     if (err)
         return err;
 
     lockdep_set_class(&tc->ht.mutex, &tc_ht_lock_key);
 
     mapping_id = mlx5_query_nic_system_image_guid(dev);
 
     chains_mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_CHAIN,
                            sizeof(struct mlx5_mapped_obj),
                            MLX5E_TC_TABLE_CHAIN_TAG_MASK, true);
 
     if (IS_ERR(chains_mapping)) {
         err = PTR_ERR(chains_mapping);
         goto err_mapping;
     }
     tc->mapping = chains_mapping;
 
     err = mlx5e_tc_nic_create_miss_table(priv);
     if (err)
         goto err_chains;
 
     if (MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level))
         attr.flags = MLX5_CHAINS_AND_PRIOS_SUPPORTED |
             MLX5_CHAINS_IGNORE_FLOW_LEVEL_SUPPORTED;
     attr.ns = MLX5_FLOW_NAMESPACE_KERNEL;
     attr.max_ft_sz = mlx5e_tc_nic_get_ft_size(dev);
     attr.max_grp_num = MLX5E_TC_TABLE_NUM_GROUPS;
     attr.default_ft = priv->fs->tc->miss_t;
     attr.mapping = chains_mapping;
 
     tc->chains = mlx5_chains_create(dev, &attr);
     if (IS_ERR(tc->chains)) {
         err = PTR_ERR(tc->chains);
         goto err_miss;
     }
 
     tc->post_act = mlx5e_tc_post_act_init(priv, tc->chains, MLX5_FLOW_NAMESPACE_KERNEL);
     tc->ct = mlx5_tc_ct_init(priv, tc->chains, &tc->mod_hdr,
                  MLX5_FLOW_NAMESPACE_KERNEL, tc->post_act);
 
     tc->netdevice_nb.notifier_call = mlx5e_tc_netdev_event;
     err = register_netdevice_notifier_dev_net(priv->netdev,
                           &tc->netdevice_nb,
                           &tc->netdevice_nn);
     if (err) {
         tc->netdevice_nb.notifier_call = NULL;
         mlx5_core_warn(priv->mdev, "Failed to register netdev notifier\n");
         goto err_reg;
     }
 
     return 0;
 
 err_reg:
     mlx5_tc_ct_clean(tc->ct);
     mlx5e_tc_post_act_destroy(tc->post_act);
     mlx5_chains_destroy(tc->chains);
 err_miss:
     mlx5e_tc_nic_destroy_miss_table(priv);
 err_chains:
     mapping_destroy(chains_mapping);
 err_mapping:
     rhashtable_destroy(&tc->ht);
     return err;
 }
 
 static void _mlx5e_tc_del_flow(void *ptr, void *arg)
 {
     struct mlx5e_tc_flow *flow = ptr;
     struct mlx5e_priv *priv = flow->priv;
 
     mlx5e_tc_del_flow(priv, flow);
     kfree(flow);
 }
 
 void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv)
 {
     struct mlx5e_tc_table *tc = priv->fs->tc;
 
     if (tc->netdevice_nb.notifier_call)
         unregister_netdevice_notifier_dev_net(priv->netdev,
                               &tc->netdevice_nb,
                               &tc->netdevice_nn);
 
     mlx5e_mod_hdr_tbl_destroy(&tc->mod_hdr);
     mutex_destroy(&tc->hairpin_tbl_lock);
 
     rhashtable_free_and_destroy(&tc->ht, _mlx5e_tc_del_flow, NULL);
 
     if (!IS_ERR_OR_NULL(tc->t)) {
         mlx5_chains_put_table(tc->chains, 0, 1, MLX5E_TC_FT_LEVEL);
         tc->t = NULL;
     }
     mutex_destroy(&tc->t_lock);
 
     mlx5_tc_ct_clean(tc->ct);
     mlx5e_tc_post_act_destroy(tc->post_act);
     mapping_destroy(tc->mapping);
     mlx5_chains_destroy(tc->chains);
     mlx5e_tc_nic_destroy_miss_table(priv);
 }
 
 int mlx5e_tc_ht_init(struct rhashtable *tc_ht)
 {
     int err;
 
     err = rhashtable_init(tc_ht, &tc_ht_params);
     if (err)
         return err;
 
     lockdep_set_class(&tc_ht->mutex, &tc_ht_lock_key);
 
     return 0;
 }
 
 void mlx5e_tc_ht_cleanup(struct rhashtable *tc_ht)
 {
     rhashtable_free_and_destroy(tc_ht, _mlx5e_tc_del_flow, NULL);
 }
 
 int mlx5e_tc_esw_init(struct mlx5_rep_uplink_priv *uplink_priv)
 {
     const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts);
     struct mlx5e_rep_priv *rpriv;
     struct mapping_ctx *mapping;
     struct mlx5_eswitch *esw;
     struct mlx5e_priv *priv;
     u64 mapping_id;
     int err = 0;
 
     rpriv = container_of(uplink_priv, struct mlx5e_rep_priv, uplink_priv);
     priv = netdev_priv(rpriv->netdev);
     esw = priv->mdev->priv.eswitch;
 
     uplink_priv->post_act = mlx5e_tc_post_act_init(priv, esw_chains(esw),
                                MLX5_FLOW_NAMESPACE_FDB);
     uplink_priv->ct_priv = mlx5_tc_ct_init(netdev_priv(priv->netdev),
                            esw_chains(esw),
                            &esw->offloads.mod_hdr,
                            MLX5_FLOW_NAMESPACE_FDB,
                            uplink_priv->post_act);
 
     uplink_priv->int_port_priv = mlx5e_tc_int_port_init(netdev_priv(priv->netdev));
 
     uplink_priv->tc_psample = mlx5e_tc_sample_init(esw, uplink_priv->post_act);
 
     mapping_id = mlx5_query_nic_system_image_guid(esw->dev);
 
     mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL,
                     sizeof(struct tunnel_match_key),
                     TUNNEL_INFO_BITS_MASK, true);
 
     if (IS_ERR(mapping)) {
         err = PTR_ERR(mapping);
         goto err_tun_mapping;
     }
     uplink_priv->tunnel_mapping = mapping;
 
     /* Two last values are reserved for stack devices slow path table mark
      * and bridge ingress push mark.
      */
     mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS,
                     sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true);
     if (IS_ERR(mapping)) {
         err = PTR_ERR(mapping);
         goto err_enc_opts_mapping;
     }
     uplink_priv->tunnel_enc_opts_mapping = mapping;
 
     uplink_priv->encap = mlx5e_tc_tun_init(priv);
     if (IS_ERR(uplink_priv->encap)) {
         err = PTR_ERR(uplink_priv->encap);
         goto err_register_fib_notifier;
     }
 
     return 0;
 
 err_register_fib_notifier:
     mapping_destroy(uplink_priv->tunnel_enc_opts_mapping);
 err_enc_opts_mapping:
     mapping_destroy(uplink_priv->tunnel_mapping);
 err_tun_mapping:
     mlx5e_tc_sample_cleanup(uplink_priv->tc_psample);
     mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv);
     mlx5_tc_ct_clean(uplink_priv->ct_priv);
     netdev_warn(priv->netdev,
             "Failed to initialize tc (eswitch), err: %d", err);
     mlx5e_tc_post_act_destroy(uplink_priv->post_act);
     return err;
 }
 
 void mlx5e_tc_esw_cleanup(struct mlx5_rep_uplink_priv *uplink_priv)
 {
     mlx5e_tc_tun_cleanup(uplink_priv->encap);
 
     mapping_destroy(uplink_priv->tunnel_enc_opts_mapping);
     mapping_destroy(uplink_priv->tunnel_mapping);
 
     mlx5e_tc_sample_cleanup(uplink_priv->tc_psample);
     mlx5e_tc_int_port_cleanup(uplink_priv->int_port_priv);
     mlx5_tc_ct_clean(uplink_priv->ct_priv);
     mlx5e_flow_meters_cleanup(uplink_priv->flow_meters);
     mlx5e_tc_post_act_destroy(uplink_priv->post_act);
 }
 
 int mlx5e_tc_num_filters(struct mlx5e_priv *priv, unsigned long flags)
 {
     struct rhashtable *tc_ht = get_tc_ht(priv, flags);
 
     return atomic_read(&tc_ht->nelems);
 }
 
 void mlx5e_tc_clean_fdb_peer_flows(struct mlx5_eswitch *esw)
 {
     struct mlx5e_tc_flow *flow, *tmp;
 
     list_for_each_entry_safe(flow, tmp, &esw->offloads.peer_flows, peer)
         __mlx5e_tc_del_fdb_peer_flow(flow);
 }
 
 void mlx5e_tc_reoffload_flows_work(struct work_struct *work)
 {
     struct mlx5_rep_uplink_priv *rpriv =
         container_of(work, struct mlx5_rep_uplink_priv,
                  reoffload_flows_work);
     struct mlx5e_tc_flow *flow, *tmp;
 
     mutex_lock(&rpriv->unready_flows_lock);
     list_for_each_entry_safe(flow, tmp, &rpriv->unready_flows, unready) {
         if (!mlx5e_tc_add_fdb_flow(flow->priv, flow, NULL))
             unready_flow_del(flow);
     }
     mutex_unlock(&rpriv->unready_flows_lock);
 }
 
 static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv,
                      struct flow_cls_offload *cls_flower,
                      unsigned long flags)
 {
     switch (cls_flower->command) {
     case FLOW_CLS_REPLACE:
         return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
                           flags);
     case FLOW_CLS_DESTROY:
         return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
                        flags);
     case FLOW_CLS_STATS:
         return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
                       flags);
     default:
         return -EOPNOTSUPP;
     }
 }
 
 int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
                 void *cb_priv)
 {
     unsigned long flags = MLX5_TC_FLAG(INGRESS);
     struct mlx5e_priv *priv = cb_priv;
 
     if (!priv->netdev || !netif_device_present(priv->netdev))
         return -EOPNOTSUPP;
 
     if (mlx5e_is_uplink_rep(priv))
         flags |= MLX5_TC_FLAG(ESW_OFFLOAD);
     else
         flags |= MLX5_TC_FLAG(NIC_OFFLOAD);
 
     switch (type) {
     case TC_SETUP_CLSFLOWER:
         return mlx5e_setup_tc_cls_flower(priv, type_data, flags);
     default:
         return -EOPNOTSUPP;
     }
 }
 
 bool mlx5e_tc_update_skb(struct mlx5_cqe64 *cqe,
              struct sk_buff *skb)
 {
 #if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
     u32 chain = 0, chain_tag, reg_b, zone_restore_id;
     struct mlx5e_priv *priv = netdev_priv(skb->dev);
     struct mlx5e_tc_table *tc = priv->fs->tc;
     struct mlx5_mapped_obj mapped_obj;
     struct tc_skb_ext *tc_skb_ext;
     int err;
 
     reg_b = be32_to_cpu(cqe->ft_metadata);
 
     chain_tag = reg_b & MLX5E_TC_TABLE_CHAIN_TAG_MASK;
 
     err = mapping_find(tc->mapping, chain_tag, &mapped_obj);
     if (err) {
         netdev_dbg(priv->netdev,
                "Couldn't find chain for chain tag: %d, err: %d\n",
                chain_tag, err);
         return false;
     }
 
     if (mapped_obj.type == MLX5_MAPPED_OBJ_CHAIN) {
         chain = mapped_obj.chain;
         tc_skb_ext = tc_skb_ext_alloc(skb);
         if (WARN_ON(!tc_skb_ext))
             return false;
 
         tc_skb_ext->chain = chain;
 
         zone_restore_id = (reg_b >> MLX5_REG_MAPPING_MOFFSET(NIC_ZONE_RESTORE_TO_REG)) &
             ESW_ZONE_ID_MASK;
 
         if (!mlx5e_tc_ct_restore_flow(tc->ct, skb,
                           zone_restore_id))
             return false;
     } else {
         netdev_dbg(priv->netdev, "Invalid mapped object type: %d\n", mapped_obj.type);
         return false;
     }
 #endif /* CONFIG_NET_TC_SKB_EXT */
 
     return true;
 }