xref: /openbmc/linux/drivers/scsi/cxgbi/cxgb3i/cxgb3i.h (revision 1149a5ed)
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 
25 extern cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS];
26 
cxgb3i_get_private_ipv4addr(struct net_device * ndev)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 
cxgb3i_set_private_ipv4addr(struct net_device * ndev,unsigned int addr)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
63