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 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 63