1 /* 2 * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef NES_CONTEXT_H 34 #define NES_CONTEXT_H 35 36 struct nes_qp_context { 37 __le32 misc; 38 __le32 cqs; 39 __le32 sq_addr_low; 40 __le32 sq_addr_high; 41 __le32 rq_addr_low; 42 __le32 rq_addr_high; 43 __le32 misc2; 44 __le16 tcpPorts[2]; 45 __le32 ip0; 46 __le32 ip1; 47 __le32 ip2; 48 __le32 ip3; 49 __le32 mss; 50 __le32 arp_index_vlan; 51 __le32 tcp_state_flow_label; 52 __le32 pd_index_wscale; 53 __le32 keepalive; 54 u32 ts_recent; 55 u32 ts_age; 56 __le32 snd_nxt; 57 __le32 snd_wnd; 58 __le32 rcv_nxt; 59 __le32 rcv_wnd; 60 __le32 snd_max; 61 __le32 snd_una; 62 u32 srtt; 63 __le32 rttvar; 64 __le32 ssthresh; 65 __le32 cwnd; 66 __le32 snd_wl1; 67 __le32 snd_wl2; 68 __le32 max_snd_wnd; 69 __le32 ts_val_delta; 70 u32 retransmit; 71 u32 probe_cnt; 72 u32 hte_index; 73 __le32 q2_addr_low; 74 __le32 q2_addr_high; 75 __le32 ird_index; 76 u32 Rsvd3; 77 __le32 ird_ord_sizes; 78 u32 mrkr_offset; 79 __le32 aeq_token_low; 80 __le32 aeq_token_high; 81 }; 82 83 /* QP Context Misc Field */ 84 85 #define NES_QPCONTEXT_MISC_IWARP_VER_MASK 0x00000003 86 #define NES_QPCONTEXT_MISC_IWARP_VER_SHIFT 0 87 #define NES_QPCONTEXT_MISC_EFB_SIZE_MASK 0x000000C0 88 #define NES_QPCONTEXT_MISC_EFB_SIZE_SHIFT 6 89 #define NES_QPCONTEXT_MISC_RQ_SIZE_MASK 0x00000300 90 #define NES_QPCONTEXT_MISC_RQ_SIZE_SHIFT 8 91 #define NES_QPCONTEXT_MISC_SQ_SIZE_MASK 0x00000c00 92 #define NES_QPCONTEXT_MISC_SQ_SIZE_SHIFT 10 93 #define NES_QPCONTEXT_MISC_PCI_FCN_MASK 0x00007000 94 #define NES_QPCONTEXT_MISC_PCI_FCN_SHIFT 12 95 #define NES_QPCONTEXT_MISC_DUP_ACKS_MASK 0x00070000 96 #define NES_QPCONTEXT_MISC_DUP_ACKS_SHIFT 16 97 98 enum nes_qp_context_misc_bits { 99 NES_QPCONTEXT_MISC_RX_WQE_SIZE = 0x00000004, 100 NES_QPCONTEXT_MISC_IPV4 = 0x00000008, 101 NES_QPCONTEXT_MISC_DO_NOT_FRAG = 0x00000010, 102 NES_QPCONTEXT_MISC_INSERT_VLAN = 0x00000020, 103 NES_QPCONTEXT_MISC_DROS = 0x00008000, 104 NES_QPCONTEXT_MISC_WSCALE = 0x00080000, 105 NES_QPCONTEXT_MISC_KEEPALIVE = 0x00100000, 106 NES_QPCONTEXT_MISC_TIMESTAMP = 0x00200000, 107 NES_QPCONTEXT_MISC_SACK = 0x00400000, 108 NES_QPCONTEXT_MISC_RDMA_WRITE_EN = 0x00800000, 109 NES_QPCONTEXT_MISC_RDMA_READ_EN = 0x01000000, 110 NES_QPCONTEXT_MISC_WBIND_EN = 0x10000000, 111 NES_QPCONTEXT_MISC_FAST_REGISTER_EN = 0x20000000, 112 NES_QPCONTEXT_MISC_PRIV_EN = 0x40000000, 113 NES_QPCONTEXT_MISC_NO_NAGLE = 0x80000000 114 }; 115 116 enum nes_qp_acc_wq_sizes { 117 HCONTEXT_TSA_WQ_SIZE_4 = 0, 118 HCONTEXT_TSA_WQ_SIZE_32 = 1, 119 HCONTEXT_TSA_WQ_SIZE_128 = 2, 120 HCONTEXT_TSA_WQ_SIZE_512 = 3 121 }; 122 123 /* QP Context Misc2 Fields */ 124 #define NES_QPCONTEXT_MISC2_TTL_MASK 0x000000ff 125 #define NES_QPCONTEXT_MISC2_TTL_SHIFT 0 126 #define NES_QPCONTEXT_MISC2_HOP_LIMIT_MASK 0x000000ff 127 #define NES_QPCONTEXT_MISC2_HOP_LIMIT_SHIFT 0 128 #define NES_QPCONTEXT_MISC2_LIMIT_MASK 0x00000300 129 #define NES_QPCONTEXT_MISC2_LIMIT_SHIFT 8 130 #define NES_QPCONTEXT_MISC2_NIC_INDEX_MASK 0x0000fc00 131 #define NES_QPCONTEXT_MISC2_NIC_INDEX_SHIFT 10 132 #define NES_QPCONTEXT_MISC2_SRC_IP_MASK 0x001f0000 133 #define NES_QPCONTEXT_MISC2_SRC_IP_SHIFT 16 134 #define NES_QPCONTEXT_MISC2_TOS_MASK 0xff000000 135 #define NES_QPCONTEXT_MISC2_TOS_SHIFT 24 136 #define NES_QPCONTEXT_MISC2_TRAFFIC_CLASS_MASK 0xff000000 137 #define NES_QPCONTEXT_MISC2_TRAFFIC_CLASS_SHIFT 24 138 139 /* QP Context Tcp State/Flow Label Fields */ 140 #define NES_QPCONTEXT_TCPFLOW_FLOW_LABEL_MASK 0x000fffff 141 #define NES_QPCONTEXT_TCPFLOW_FLOW_LABEL_SHIFT 0 142 #define NES_QPCONTEXT_TCPFLOW_TCP_STATE_MASK 0xf0000000 143 #define NES_QPCONTEXT_TCPFLOW_TCP_STATE_SHIFT 28 144 145 enum nes_qp_tcp_state { 146 NES_QPCONTEXT_TCPSTATE_CLOSED = 1, 147 NES_QPCONTEXT_TCPSTATE_EST = 5, 148 NES_QPCONTEXT_TCPSTATE_TIME_WAIT = 11, 149 }; 150 151 /* QP Context PD Index/wscale Fields */ 152 #define NES_QPCONTEXT_PDWSCALE_RCV_WSCALE_MASK 0x0000000f 153 #define NES_QPCONTEXT_PDWSCALE_RCV_WSCALE_SHIFT 0 154 #define NES_QPCONTEXT_PDWSCALE_SND_WSCALE_MASK 0x00000f00 155 #define NES_QPCONTEXT_PDWSCALE_SND_WSCALE_SHIFT 8 156 #define NES_QPCONTEXT_PDWSCALE_PDINDEX_MASK 0xffff0000 157 #define NES_QPCONTEXT_PDWSCALE_PDINDEX_SHIFT 16 158 159 /* QP Context Keepalive Fields */ 160 #define NES_QPCONTEXT_KEEPALIVE_DELTA_MASK 0x0000ffff 161 #define NES_QPCONTEXT_KEEPALIVE_DELTA_SHIFT 0 162 #define NES_QPCONTEXT_KEEPALIVE_PROBE_CNT_MASK 0x00ff0000 163 #define NES_QPCONTEXT_KEEPALIVE_PROBE_CNT_SHIFT 16 164 #define NES_QPCONTEXT_KEEPALIVE_INTV_MASK 0xff000000 165 #define NES_QPCONTEXT_KEEPALIVE_INTV_SHIFT 24 166 167 /* QP Context ORD/IRD Fields */ 168 #define NES_QPCONTEXT_ORDIRD_ORDSIZE_MASK 0x0000007f 169 #define NES_QPCONTEXT_ORDIRD_ORDSIZE_SHIFT 0 170 #define NES_QPCONTEXT_ORDIRD_IRDSIZE_MASK 0x00030000 171 #define NES_QPCONTEXT_ORDIRD_IRDSIZE_SHIFT 16 172 #define NES_QPCONTEXT_ORDIRD_IWARP_MODE_MASK 0x30000000 173 #define NES_QPCONTEXT_ORDIRD_IWARP_MODE_SHIFT 28 174 175 enum nes_ord_ird_bits { 176 NES_QPCONTEXT_ORDIRD_WRPDU = 0x02000000, 177 NES_QPCONTEXT_ORDIRD_LSMM_PRESENT = 0x04000000, 178 NES_QPCONTEXT_ORDIRD_ALSMM = 0x08000000, 179 NES_QPCONTEXT_ORDIRD_AAH = 0x40000000, 180 NES_QPCONTEXT_ORDIRD_RNMC = 0x80000000 181 }; 182 183 enum nes_iwarp_qp_state { 184 NES_QPCONTEXT_IWARP_STATE_NONEXIST = 0, 185 NES_QPCONTEXT_IWARP_STATE_IDLE = 1, 186 NES_QPCONTEXT_IWARP_STATE_RTS = 2, 187 NES_QPCONTEXT_IWARP_STATE_CLOSING = 3, 188 NES_QPCONTEXT_IWARP_STATE_TERMINATE = 5, 189 NES_QPCONTEXT_IWARP_STATE_ERROR = 6 190 }; 191 192 193 #endif /* NES_CONTEXT_H */ 194