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 #define cxgb3i_get_private_ipv4addr(ndev) \ 28 (((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr) 29 #define cxgb3i_set_private_ipv4addr(ndev, addr) \ 30 (((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr) = addr 31 32 struct cpl_iscsi_hdr_norss { 33 union opcode_tid ot; 34 u16 pdu_len_ddp; 35 u16 len; 36 u32 seq; 37 u16 urg; 38 u8 rsvd; 39 u8 status; 40 }; 41 42 struct cpl_rx_data_ddp_norss { 43 union opcode_tid ot; 44 u16 urg; 45 u16 len; 46 u32 seq; 47 u32 nxt_seq; 48 u32 ulp_crc; 49 u32 ddp_status; 50 }; 51 #endif 52