cxgbi/cxgb3i/cxgb3i.h

0001 /*
0002  * cxgb3i.h: Chelsio S3xx iSCSI driver.
0003  *
0004  * Copyright (c) 2008-2015 Chelsio Communications, Inc.
0005  *
0006  * This program is free software; you can redistribute it and/or modify
0007  * it under the terms of the GNU General Public License as published by
0008  * the Free Software Foundation.
0009  *
0010  * Written by: Karen Xie (kxie@chelsio.com)
0011  */
0012
0013 #ifndef __CXGB3I_H__
0014 #define __CXGB3I_H__
0015
0016 #define CXGB3I_SCSI_HOST_QDEPTH 1024
0017 #define CXGB3I_MAX_LUN      512
0018 #define ISCSI_PDU_NONPAYLOAD_MAX \
0019     (sizeof(struct iscsi_hdr) + ISCSI_MAX_AHS_SIZE + 2*ISCSI_DIGEST_SIZE)
0020
0021 /*for TX: a skb must have a headroom of at least TX_HEADER_LEN bytes */
0022 #define CXGB3I_TX_HEADER_LEN \
0023     (sizeof(struct tx_data_wr) + sizeof(struct sge_opaque_hdr))
0024
0025 extern cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
0026
0027 static inline unsigned int cxgb3i_get_private_ipv4addr(struct net_device *ndev)
0028 {
0029     return ((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr;
0030 }
0031
0032 static inline void cxgb3i_set_private_ipv4addr(struct net_device *ndev,
0033                         unsigned int addr)
0034 {
0035     struct port_info *pi =  (struct port_info *)netdev_priv(ndev);
0036
0037     pi->iscsic.flags = addr ? 1 : 0;
0038     pi->iscsi_ipv4addr = addr;
0039     if (addr)
0040         memcpy(pi->iscsic.mac_addr, ndev->dev_addr, ETH_ALEN);
0041 }
0042
0043 struct cpl_iscsi_hdr_norss {
0044     union opcode_tid ot;
0045     u16 pdu_len_ddp;
0046     u16 len;
0047     u32 seq;
0048     u16 urg;
0049     u8 rsvd;
0050     u8 status;
0051 };
0052
0053 struct cpl_rx_data_ddp_norss {
0054     union opcode_tid ot;
0055     u16 urg;
0056     u16 len;
0057     u32 seq;
0058     u32 nxt_seq;
0059     u32 ulp_crc;
0060     u32 ddp_status;
0061 };
0062 #endif