include/linux/qed/tcp_common.h

   1 /* QLogic qed NIC Driver
   2  * Copyright (c) 2015 QLogic Corporation
   3  *
   4  * This software is available under the terms of the GNU General Public License
   5  * (GPL) Version 2, available from the file COPYING in the main directory of
   6  * this source tree.
   7  */
   8
   9 #ifndef __TCP_COMMON__
  10 #define __TCP_COMMON__
  11
  12 #define TCP_INVALID_TIMEOUT_VAL -1
  13
  14 enum tcp_connect_mode {
  15         TCP_CONNECT_ACTIVE,
  16         TCP_CONNECT_PASSIVE,
  17         MAX_TCP_CONNECT_MODE
  18 };
  19
  20 struct tcp_init_params {
  21         __le32 max_cwnd;
  22         __le16 dup_ack_threshold;
  23         __le16 tx_sws_timer;
  24         __le16 min_rto;
  25         __le16 min_rto_rt;
  26         __le16 max_rto;
  27         u8 maxfinrt;
  28         u8 reserved[1];
  29 };
  30
  31 enum tcp_ip_version {
  32         TCP_IPV4,
  33         TCP_IPV6,
  34         MAX_TCP_IP_VERSION
  35 };
  36
  37 struct tcp_offload_params {
  38         __le16 local_mac_addr_lo;
  39         __le16 local_mac_addr_mid;
  40         __le16 local_mac_addr_hi;
  41         __le16 remote_mac_addr_lo;
  42         __le16 remote_mac_addr_mid;
  43         __le16 remote_mac_addr_hi;
  44         __le16 vlan_id;
  45         u8 flags;
  46 #define TCP_OFFLOAD_PARAMS_TS_EN_MASK         0x1
  47 #define TCP_OFFLOAD_PARAMS_TS_EN_SHIFT        0
  48 #define TCP_OFFLOAD_PARAMS_DA_EN_MASK         0x1
  49 #define TCP_OFFLOAD_PARAMS_DA_EN_SHIFT        1
  50 #define TCP_OFFLOAD_PARAMS_KA_EN_MASK         0x1
  51 #define TCP_OFFLOAD_PARAMS_KA_EN_SHIFT        2
  52 #define TCP_OFFLOAD_PARAMS_NAGLE_EN_MASK      0x1
  53 #define TCP_OFFLOAD_PARAMS_NAGLE_EN_SHIFT     3
  54 #define TCP_OFFLOAD_PARAMS_DA_CNT_EN_MASK     0x1
  55 #define TCP_OFFLOAD_PARAMS_DA_CNT_EN_SHIFT    4
  56 #define TCP_OFFLOAD_PARAMS_FIN_SENT_MASK      0x1
  57 #define TCP_OFFLOAD_PARAMS_FIN_SENT_SHIFT     5
  58 #define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_MASK  0x1
  59 #define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_SHIFT 6
  60 #define TCP_OFFLOAD_PARAMS_RESERVED0_MASK     0x1
  61 #define TCP_OFFLOAD_PARAMS_RESERVED0_SHIFT    7
  62         u8 ip_version;
  63         __le32 remote_ip[4];
  64         __le32 local_ip[4];
  65         __le32 flow_label;
  66         u8 ttl;
  67         u8 tos_or_tc;
  68         __le16 remote_port;
  69         __le16 local_port;
  70         __le16 mss;
  71         u8 rcv_wnd_scale;
  72         u8 connect_mode;
  73         __le16 srtt;
  74         __le32 cwnd;
  75         __le32 ss_thresh;
  76         __le16 reserved1;
  77         u8 ka_max_probe_cnt;
  78         u8 dup_ack_theshold;
  79         __le32 rcv_next;
  80         __le32 snd_una;
  81         __le32 snd_next;
  82         __le32 snd_max;
  83         __le32 snd_wnd;
  84         __le32 rcv_wnd;
  85         __le32 snd_wl1;
  86         __le32 ts_time;
  87         __le32 ts_recent;
  88         __le32 ts_recent_age;
  89         __le32 total_rt;
  90         __le32 ka_timeout_delta;
  91         __le32 rt_timeout_delta;
  92         u8 dup_ack_cnt;
  93         u8 snd_wnd_probe_cnt;
  94         u8 ka_probe_cnt;
  95         u8 rt_cnt;
  96         __le16 rtt_var;
  97         __le16 reserved2;
  98         __le32 ka_timeout;
  99         __le32 ka_interval;
 100         __le32 max_rt_time;
 101         __le32 initial_rcv_wnd;
 102         u8 snd_wnd_scale;
 103         u8 ack_frequency;
 104         __le16 da_timeout_value;
 105         __le32 ts_ticks_per_second;
 106 };
 107
 108 struct tcp_offload_params_opt2 {
 109         __le16 local_mac_addr_lo;
 110         __le16 local_mac_addr_mid;
 111         __le16 local_mac_addr_hi;
 112         __le16 remote_mac_addr_lo;
 113         __le16 remote_mac_addr_mid;
 114         __le16 remote_mac_addr_hi;
 115         __le16 vlan_id;
 116         u8 flags;
 117 #define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_MASK      0x1
 118 #define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_SHIFT     0
 119 #define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_MASK      0x1
 120 #define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_SHIFT     1
 121 #define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_MASK      0x1
 122 #define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_SHIFT     2
 123 #define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_MASK  0x1F
 124 #define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_SHIFT 3
 125         u8 ip_version;
 126         __le32 remote_ip[4];
 127         __le32 local_ip[4];
 128         __le32 flow_label;
 129         u8 ttl;
 130         u8 tos_or_tc;
 131         __le16 remote_port;
 132         __le16 local_port;
 133         __le16 mss;
 134         u8 rcv_wnd_scale;
 135         u8 connect_mode;
 136         __le16 syn_ip_payload_length;
 137         __le32 syn_phy_addr_lo;
 138         __le32 syn_phy_addr_hi;
 139         __le32 reserved1[22];
 140 };
 141
 142 enum tcp_seg_placement_event {
 143         TCP_EVENT_ADD_PEN,
 144         TCP_EVENT_ADD_NEW_ISLE,
 145         TCP_EVENT_ADD_ISLE_RIGHT,
 146         TCP_EVENT_ADD_ISLE_LEFT,
 147         TCP_EVENT_JOIN,
 148         TCP_EVENT_NOP,
 149         MAX_TCP_SEG_PLACEMENT_EVENT
 150 };
 151
 152 struct tcp_update_params {
 153         __le16 flags;
 154 #define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_MASK   0x1
 155 #define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_SHIFT  0
 156 #define TCP_UPDATE_PARAMS_MSS_CHANGED_MASK               0x1
 157 #define TCP_UPDATE_PARAMS_MSS_CHANGED_SHIFT              1
 158 #define TCP_UPDATE_PARAMS_TTL_CHANGED_MASK               0x1
 159 #define TCP_UPDATE_PARAMS_TTL_CHANGED_SHIFT              2
 160 #define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_MASK         0x1
 161 #define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_SHIFT        3
 162 #define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_MASK        0x1
 163 #define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_SHIFT       4
 164 #define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_MASK       0x1
 165 #define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_SHIFT      5
 166 #define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_MASK       0x1
 167 #define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_SHIFT      6
 168 #define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_MASK        0x1
 169 #define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_SHIFT       7
 170 #define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_MASK   0x1
 171 #define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_SHIFT  8
 172 #define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_MASK  0x1
 173 #define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_SHIFT 9
 174 #define TCP_UPDATE_PARAMS_KA_EN_CHANGED_MASK             0x1
 175 #define TCP_UPDATE_PARAMS_KA_EN_CHANGED_SHIFT            10
 176 #define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_MASK          0x1
 177 #define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_SHIFT         11
 178 #define TCP_UPDATE_PARAMS_KA_EN_MASK                     0x1
 179 #define TCP_UPDATE_PARAMS_KA_EN_SHIFT                    12
 180 #define TCP_UPDATE_PARAMS_NAGLE_EN_MASK                  0x1
 181 #define TCP_UPDATE_PARAMS_NAGLE_EN_SHIFT                 13
 182 #define TCP_UPDATE_PARAMS_KA_RESTART_MASK                0x1
 183 #define TCP_UPDATE_PARAMS_KA_RESTART_SHIFT               14
 184 #define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_MASK        0x1
 185 #define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_SHIFT       15
 186         __le16 remote_mac_addr_lo;
 187         __le16 remote_mac_addr_mid;
 188         __le16 remote_mac_addr_hi;
 189         __le16 mss;
 190         u8 ttl;
 191         u8 tos_or_tc;
 192         __le32 ka_timeout;
 193         __le32 ka_interval;
 194         __le32 max_rt_time;
 195         __le32 flow_label;
 196         __le32 initial_rcv_wnd;
 197         u8 ka_max_probe_cnt;
 198         u8 reserved1[7];
 199 };
 200
 201 struct tcp_upload_params {
 202         __le32 rcv_next;
 203         __le32 snd_una;
 204         __le32 snd_next;
 205         __le32 snd_max;
 206         __le32 snd_wnd;
 207         __le32 rcv_wnd;
 208         __le32 snd_wl1;
 209         __le32 cwnd;
 210         __le32 ss_thresh;
 211         __le16 srtt;
 212         __le16 rtt_var;
 213         __le32 ts_time;
 214         __le32 ts_recent;
 215         __le32 ts_recent_age;
 216         __le32 total_rt;
 217         __le32 ka_timeout_delta;
 218         __le32 rt_timeout_delta;
 219         u8 dup_ack_cnt;
 220         u8 snd_wnd_probe_cnt;
 221         u8 ka_probe_cnt;
 222         u8 rt_cnt;
 223         __le32 reserved;
 224 };
 225
 226 #endif /* __TCP_COMMON__ */