include/linux/qed/tcp_common.h

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015-2017  QLogic Corporation
   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 __TCP_COMMON__
  34 #define __TCP_COMMON__
  35
  36 #define TCP_INVALID_TIMEOUT_VAL -1
  37
  38 struct ooo_opaque {
  39         __le32 cid;
  40         u8 drop_isle;
  41         u8 drop_size;
  42         u8 ooo_opcode;
  43         u8 ooo_isle;
  44 };
  45
  46 enum tcp_connect_mode {
  47         TCP_CONNECT_ACTIVE,
  48         TCP_CONNECT_PASSIVE,
  49         MAX_TCP_CONNECT_MODE
  50 };
  51
  52 struct tcp_init_params {
  53         __le32 two_msl_timer;
  54         __le16 tx_sws_timer;
  55         u8 maxfinrt;
  56         u8 reserved[9];
  57 };
  58
  59 enum tcp_ip_version {
  60         TCP_IPV4,
  61         TCP_IPV6,
  62         MAX_TCP_IP_VERSION
  63 };
  64
  65 struct tcp_offload_params {
  66         __le16 local_mac_addr_lo;
  67         __le16 local_mac_addr_mid;
  68         __le16 local_mac_addr_hi;
  69         __le16 remote_mac_addr_lo;
  70         __le16 remote_mac_addr_mid;
  71         __le16 remote_mac_addr_hi;
  72         __le16 vlan_id;
  73         u8 flags;
  74 #define TCP_OFFLOAD_PARAMS_TS_EN_MASK         0x1
  75 #define TCP_OFFLOAD_PARAMS_TS_EN_SHIFT        0
  76 #define TCP_OFFLOAD_PARAMS_DA_EN_MASK         0x1
  77 #define TCP_OFFLOAD_PARAMS_DA_EN_SHIFT        1
  78 #define TCP_OFFLOAD_PARAMS_KA_EN_MASK         0x1
  79 #define TCP_OFFLOAD_PARAMS_KA_EN_SHIFT        2
  80 #define TCP_OFFLOAD_PARAMS_NAGLE_EN_MASK      0x1
  81 #define TCP_OFFLOAD_PARAMS_NAGLE_EN_SHIFT     3
  82 #define TCP_OFFLOAD_PARAMS_DA_CNT_EN_MASK     0x1
  83 #define TCP_OFFLOAD_PARAMS_DA_CNT_EN_SHIFT    4
  84 #define TCP_OFFLOAD_PARAMS_FIN_SENT_MASK      0x1
  85 #define TCP_OFFLOAD_PARAMS_FIN_SENT_SHIFT     5
  86 #define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_MASK  0x1
  87 #define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_SHIFT 6
  88 #define TCP_OFFLOAD_PARAMS_RESERVED0_MASK     0x1
  89 #define TCP_OFFLOAD_PARAMS_RESERVED0_SHIFT    7
  90         u8 ip_version;
  91         __le32 remote_ip[4];
  92         __le32 local_ip[4];
  93         __le32 flow_label;
  94         u8 ttl;
  95         u8 tos_or_tc;
  96         __le16 remote_port;
  97         __le16 local_port;
  98         __le16 mss;
  99         u8 rcv_wnd_scale;
 100         u8 connect_mode;
 101         __le16 srtt;
 102         __le32 cwnd;
 103         __le32 ss_thresh;
 104         __le16 reserved1;
 105         u8 ka_max_probe_cnt;
 106         u8 dup_ack_theshold;
 107         __le32 rcv_next;
 108         __le32 snd_una;
 109         __le32 snd_next;
 110         __le32 snd_max;
 111         __le32 snd_wnd;
 112         __le32 rcv_wnd;
 113         __le32 snd_wl1;
 114         __le32 ts_time;
 115         __le32 ts_recent;
 116         __le32 ts_recent_age;
 117         __le32 total_rt;
 118         __le32 ka_timeout_delta;
 119         __le32 rt_timeout_delta;
 120         u8 dup_ack_cnt;
 121         u8 snd_wnd_probe_cnt;
 122         u8 ka_probe_cnt;
 123         u8 rt_cnt;
 124         __le16 rtt_var;
 125         __le16 reserved2;
 126         __le32 ka_timeout;
 127         __le32 ka_interval;
 128         __le32 max_rt_time;
 129         __le32 initial_rcv_wnd;
 130         u8 snd_wnd_scale;
 131         u8 ack_frequency;
 132         __le16 da_timeout_value;
 133         __le32 ts_ticks_per_second;
 134 };
 135
 136 struct tcp_offload_params_opt2 {
 137         __le16 local_mac_addr_lo;
 138         __le16 local_mac_addr_mid;
 139         __le16 local_mac_addr_hi;
 140         __le16 remote_mac_addr_lo;
 141         __le16 remote_mac_addr_mid;
 142         __le16 remote_mac_addr_hi;
 143         __le16 vlan_id;
 144         u8 flags;
 145 #define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_MASK      0x1
 146 #define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_SHIFT     0
 147 #define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_MASK      0x1
 148 #define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_SHIFT     1
 149 #define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_MASK      0x1
 150 #define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_SHIFT     2
 151 #define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_MASK  0x1F
 152 #define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_SHIFT 3
 153         u8 ip_version;
 154         __le32 remote_ip[4];
 155         __le32 local_ip[4];
 156         __le32 flow_label;
 157         u8 ttl;
 158         u8 tos_or_tc;
 159         __le16 remote_port;
 160         __le16 local_port;
 161         __le16 mss;
 162         u8 rcv_wnd_scale;
 163         u8 connect_mode;
 164         __le16 syn_ip_payload_length;
 165         __le32 syn_phy_addr_lo;
 166         __le32 syn_phy_addr_hi;
 167         __le32 reserved1[22];
 168 };
 169
 170 enum tcp_seg_placement_event {
 171         TCP_EVENT_ADD_PEN,
 172         TCP_EVENT_ADD_NEW_ISLE,
 173         TCP_EVENT_ADD_ISLE_RIGHT,
 174         TCP_EVENT_ADD_ISLE_LEFT,
 175         TCP_EVENT_JOIN,
 176         TCP_EVENT_NOP,
 177         MAX_TCP_SEG_PLACEMENT_EVENT
 178 };
 179
 180 struct tcp_update_params {
 181         __le16 flags;
 182 #define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_MASK   0x1
 183 #define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_SHIFT  0
 184 #define TCP_UPDATE_PARAMS_MSS_CHANGED_MASK               0x1
 185 #define TCP_UPDATE_PARAMS_MSS_CHANGED_SHIFT              1
 186 #define TCP_UPDATE_PARAMS_TTL_CHANGED_MASK               0x1
 187 #define TCP_UPDATE_PARAMS_TTL_CHANGED_SHIFT              2
 188 #define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_MASK         0x1
 189 #define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_SHIFT        3
 190 #define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_MASK        0x1
 191 #define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_SHIFT       4
 192 #define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_MASK       0x1
 193 #define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_SHIFT      5
 194 #define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_MASK       0x1
 195 #define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_SHIFT      6
 196 #define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_MASK        0x1
 197 #define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_SHIFT       7
 198 #define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_MASK   0x1
 199 #define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_SHIFT  8
 200 #define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_MASK  0x1
 201 #define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_SHIFT 9
 202 #define TCP_UPDATE_PARAMS_KA_EN_CHANGED_MASK             0x1
 203 #define TCP_UPDATE_PARAMS_KA_EN_CHANGED_SHIFT            10
 204 #define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_MASK          0x1
 205 #define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_SHIFT         11
 206 #define TCP_UPDATE_PARAMS_KA_EN_MASK                     0x1
 207 #define TCP_UPDATE_PARAMS_KA_EN_SHIFT                    12
 208 #define TCP_UPDATE_PARAMS_NAGLE_EN_MASK                  0x1
 209 #define TCP_UPDATE_PARAMS_NAGLE_EN_SHIFT                 13
 210 #define TCP_UPDATE_PARAMS_KA_RESTART_MASK                0x1
 211 #define TCP_UPDATE_PARAMS_KA_RESTART_SHIFT               14
 212 #define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_MASK        0x1
 213 #define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_SHIFT       15
 214         __le16 remote_mac_addr_lo;
 215         __le16 remote_mac_addr_mid;
 216         __le16 remote_mac_addr_hi;
 217         __le16 mss;
 218         u8 ttl;
 219         u8 tos_or_tc;
 220         __le32 ka_timeout;
 221         __le32 ka_interval;
 222         __le32 max_rt_time;
 223         __le32 flow_label;
 224         __le32 initial_rcv_wnd;
 225         u8 ka_max_probe_cnt;
 226         u8 reserved1[7];
 227 };
 228
 229 struct tcp_upload_params {
 230         __le32 rcv_next;
 231         __le32 snd_una;
 232         __le32 snd_next;
 233         __le32 snd_max;
 234         __le32 snd_wnd;
 235         __le32 rcv_wnd;
 236         __le32 snd_wl1;
 237         __le32 cwnd;
 238         __le32 ss_thresh;
 239         __le16 srtt;
 240         __le16 rtt_var;
 241         __le32 ts_time;
 242         __le32 ts_recent;
 243         __le32 ts_recent_age;
 244         __le32 total_rt;
 245         __le32 ka_timeout_delta;
 246         __le32 rt_timeout_delta;
 247         u8 dup_ack_cnt;
 248         u8 snd_wnd_probe_cnt;
 249         u8 ka_probe_cnt;
 250         u8 rt_cnt;
 251         __le32 reserved;
 252 };
 253
 254 #endif /* __TCP_COMMON__ */