treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / scsi / cxgbi / cxgb3i / cxgb3i.h
blobb0430c9359e7d75fb79e7cb57abaa4dbb764f03e
1 /*
2 * cxgb3i.h: Chelsio S3xx iSCSI driver.
4 * Copyright (c) 2008-2015 Chelsio Communications, Inc.
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.
10 * Written by: Karen Xie (kxie@chelsio.com)
13 #ifndef __CXGB3I_H__
14 #define __CXGB3I_H__
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)
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))
25 extern cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
27 static inline unsigned int cxgb3i_get_private_ipv4addr(struct net_device *ndev)
29 return ((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr;
32 static inline void cxgb3i_set_private_ipv4addr(struct net_device *ndev,
33 unsigned int addr)
35 struct port_info *pi = (struct port_info *)netdev_priv(ndev);
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);
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;
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;
62 #endif