1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * cxgb3i.h: Chelsio S3xx iSCSI driver. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (c) 2008-2015 Chelsio Communications, Inc. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify 7*4882a593Smuzhiyun * it under the terms of the GNU General Public License as published by 8*4882a593Smuzhiyun * the Free Software Foundation. 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Written by: Karen Xie (kxie@chelsio.com) 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef __CXGB3I_H__ 14*4882a593Smuzhiyun #define __CXGB3I_H__ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #define CXGB3I_SCSI_HOST_QDEPTH 1024 17*4882a593Smuzhiyun #define CXGB3I_MAX_LUN 512 18*4882a593Smuzhiyun #define ISCSI_PDU_NONPAYLOAD_MAX \ 19*4882a593Smuzhiyun (sizeof(struct iscsi_hdr) + ISCSI_MAX_AHS_SIZE + 2*ISCSI_DIGEST_SIZE) 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun /*for TX: a skb must have a headroom of at least TX_HEADER_LEN bytes */ 22*4882a593Smuzhiyun #define CXGB3I_TX_HEADER_LEN \ 23*4882a593Smuzhiyun (sizeof(struct tx_data_wr) + sizeof(struct sge_opaque_hdr)) 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun extern cxgb3_cpl_handler_func cxgb3i_cpl_handlers[NUM_CPL_CMDS]; 26*4882a593Smuzhiyun cxgb3i_get_private_ipv4addr(struct net_device * ndev)27*4882a593Smuzhiyunstatic inline unsigned int cxgb3i_get_private_ipv4addr(struct net_device *ndev) 28*4882a593Smuzhiyun { 29*4882a593Smuzhiyun return ((struct port_info *)(netdev_priv(ndev)))->iscsi_ipv4addr; 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun cxgb3i_set_private_ipv4addr(struct net_device * ndev,unsigned int addr)32*4882a593Smuzhiyunstatic inline void cxgb3i_set_private_ipv4addr(struct net_device *ndev, 33*4882a593Smuzhiyun unsigned int addr) 34*4882a593Smuzhiyun { 35*4882a593Smuzhiyun struct port_info *pi = (struct port_info *)netdev_priv(ndev); 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun pi->iscsic.flags = addr ? 1 : 0; 38*4882a593Smuzhiyun pi->iscsi_ipv4addr = addr; 39*4882a593Smuzhiyun if (addr) 40*4882a593Smuzhiyun memcpy(pi->iscsic.mac_addr, ndev->dev_addr, ETH_ALEN); 41*4882a593Smuzhiyun } 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun struct cpl_iscsi_hdr_norss { 44*4882a593Smuzhiyun union opcode_tid ot; 45*4882a593Smuzhiyun u16 pdu_len_ddp; 46*4882a593Smuzhiyun u16 len; 47*4882a593Smuzhiyun u32 seq; 48*4882a593Smuzhiyun u16 urg; 49*4882a593Smuzhiyun u8 rsvd; 50*4882a593Smuzhiyun u8 status; 51*4882a593Smuzhiyun }; 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun struct cpl_rx_data_ddp_norss { 54*4882a593Smuzhiyun union opcode_tid ot; 55*4882a593Smuzhiyun u16 urg; 56*4882a593Smuzhiyun u16 len; 57*4882a593Smuzhiyun u32 seq; 58*4882a593Smuzhiyun u32 nxt_seq; 59*4882a593Smuzhiyun u32 ulp_crc; 60*4882a593Smuzhiyun u32 ddp_status; 61*4882a593Smuzhiyun }; 62*4882a593Smuzhiyun #endif 63