LXR linux/drivers/scsi/cxgbi/cxgb3i/cxgb3i.h

   1/*
   2 * cxgb3i.h: Chelsio S3xx iSCSI driver.
   3 *
   4 * Copyright (c) 2008-2015 Chelsio Communications, Inc.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation.
   9 *
  10 * Written by: Karen Xie (kxie@chelsio.com)
  11 */
  12
  13#ifndef __CXGB3I_H__
  14#define __CXGB3I_H__
  15
  16#define CXGB3I_SCSI_HOST_QDEPTH 1024
  17#define CXGB3I_MAX_LUN          512
  18#define ISCSI_PDU_NONPAYLOAD_MAX \
  19        (sizeof(struct iscsi_hdr) + ISCSI_MAX_AHS_SIZE + 2*ISCSI_DIGEST_SIZE)
  20
  21/*for TX: a skb must have a headroom of at least TX_HEADER_LEN bytes */
  22#define CXGB3I_TX_HEADER_LEN \
  23        (sizeof(struct tx_data_wr) + sizeof(struct sge_opaque_hdr))
  24
  25extern cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
  26
  27static inline unsigned int cxgb3i_get_private_ipv4addr(struct net_device *ndev)
  28{
  29        return ((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr;
  30}
  31
  32static inline void cxgb3i_set_private_ipv4addr(struct net_device *ndev,
  33                                                unsigned int addr)
  34{
  35        struct port_info *pi =  (struct port_info *)netdev_priv(ndev);
  36
  37        pi->iscsic.flags = addr ? 1 : 0;
  38        pi->iscsi_ipv4addr = addr;
  39        if (addr)
  40                memcpy(pi->iscsic.mac_addr, ndev->dev_addr, ETH_ALEN);
  41}
  42
  43struct cpl_iscsi_hdr_norss {
  44        union opcode_tid ot;
  45        u16 pdu_len_ddp;
  46        u16 len;
  47        u32 seq;
  48        u16 urg;
  49        u8 rsvd;
  50        u8 status;
  51};
  52
  53struct cpl_rx_data_ddp_norss {
  54        union opcode_tid ot;
  55        u16 urg;
  56        u16 len;
  57        u32 seq;
  58        u32 nxt_seq;
  59        u32 ulp_crc;
  60        u32 ddp_status;
  61};
  62#endif
  63