drivers/scsi/cxgbi/cxgb3i/cxgb3i.h

   1 /*
   2  * cxgb3i.h: Chelsio S3xx iSCSI driver.
   3  *
   4  * Copyright (c) 2008 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
  25 extern cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
  26
  27 static inline unsigned int cxgb3i_get_private_ipv4addr(struct net_device *ndev)
  28 {
  29         return ((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr;
  30 }
  31
  32 static 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
  43 struct 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
  53 struct 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