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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
* Copyright (c) 2019-2020 Marvell International Ltd.
*/
#ifndef __TCP_COMMON__
#define __TCP_COMMON__
/********************/
/* TCP FW CONSTANTS */
/********************/
#define TCP_INVALID_TIMEOUT_VAL -1
/* OOO opaque data received from LL2 */
struct ooo_opaque {
__le32 cid;
u8 drop_isle;
u8 drop_size;
u8 ooo_opcode;
u8 ooo_isle;
};
/* tcp connect mode enum */
enum tcp_connect_mode {
TCP_CONNECT_ACTIVE,
TCP_CONNECT_PASSIVE,
MAX_TCP_CONNECT_MODE
};
/* tcp function init parameters */
struct tcp_init_params {
__le32 two_msl_timer;
__le16 tx_sws_timer;
u8 max_fin_rt;
u8 reserved[9];
};
/* tcp IPv4/IPv6 enum */
enum tcp_ip_version {
TCP_IPV4,
TCP_IPV6,
MAX_TCP_IP_VERSION
};
/* tcp offload parameters */
struct tcp_offload_params {
__le16 local_mac_addr_lo;
__le16 local_mac_addr_mid;
__le16 local_mac_addr_hi;
__le16 remote_mac_addr_lo;
__le16 remote_mac_addr_mid;
__le16 remote_mac_addr_hi;
__le16 vlan_id;
__le16 flags;
#define TCP_OFFLOAD_PARAMS_TS_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_TS_EN_SHIFT 0
#define TCP_OFFLOAD_PARAMS_DA_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_DA_EN_SHIFT 1
#define TCP_OFFLOAD_PARAMS_KA_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_KA_EN_SHIFT 2
#define TCP_OFFLOAD_PARAMS_ECN_SENDER_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_ECN_SENDER_EN_SHIFT 3
#define TCP_OFFLOAD_PARAMS_ECN_RECEIVER_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_ECN_RECEIVER_EN_SHIFT 4
#define TCP_OFFLOAD_PARAMS_NAGLE_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_NAGLE_EN_SHIFT 5
#define TCP_OFFLOAD_PARAMS_DA_CNT_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_DA_CNT_EN_SHIFT 6
#define TCP_OFFLOAD_PARAMS_FIN_SENT_MASK 0x1
#define TCP_OFFLOAD_PARAMS_FIN_SENT_SHIFT 7
#define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_MASK 0x1
#define TCP_OFFLOAD_PARAMS_FIN_RECEIVED_SHIFT 8
#define TCP_OFFLOAD_PARAMS_RESERVED_MASK 0x7F
#define TCP_OFFLOAD_PARAMS_RESERVED_SHIFT 9
u8 ip_version;
u8 reserved0[3];
__le32 remote_ip[4];
__le32 local_ip[4];
__le32 flow_label;
u8 ttl;
u8 tos_or_tc;
__le16 remote_port;
__le16 local_port;
__le16 mss;
u8 rcv_wnd_scale;
u8 connect_mode;
__le16 srtt;
__le32 ss_thresh;
__le32 rcv_wnd;
__le32 cwnd;
u8 ka_max_probe_cnt;
u8 dup_ack_theshold;
__le16 reserved1;
__le32 ka_timeout;
__le32 ka_interval;
__le32 max_rt_time;
__le32 initial_rcv_wnd;
__le32 rcv_next;
__le32 snd_una;
__le32 snd_next;
__le32 snd_max;
__le32 snd_wnd;
__le32 snd_wl1;
__le32 ts_recent;
__le32 ts_recent_age;
__le32 total_rt;
__le32 ka_timeout_delta;
__le32 rt_timeout_delta;
u8 dup_ack_cnt;
u8 snd_wnd_probe_cnt;
u8 ka_probe_cnt;
u8 rt_cnt;
__le16 rtt_var;
__le16 fw_internal;
u8 snd_wnd_scale;
u8 ack_frequency;
__le16 da_timeout_value;
__le32 reserved3;
};
/* tcp offload parameters */
struct tcp_offload_params_opt2 {
__le16 local_mac_addr_lo;
__le16 local_mac_addr_mid;
__le16 local_mac_addr_hi;
__le16 remote_mac_addr_lo;
__le16 remote_mac_addr_mid;
__le16 remote_mac_addr_hi;
__le16 vlan_id;
__le16 flags;
#define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_OPT2_TS_EN_SHIFT 0
#define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_OPT2_DA_EN_SHIFT 1
#define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_OPT2_KA_EN_SHIFT 2
#define TCP_OFFLOAD_PARAMS_OPT2_ECN_EN_MASK 0x1
#define TCP_OFFLOAD_PARAMS_OPT2_ECN_EN_SHIFT 3
#define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_MASK 0xFFF
#define TCP_OFFLOAD_PARAMS_OPT2_RESERVED0_SHIFT 4
u8 ip_version;
u8 reserved1[3];
__le32 remote_ip[4];
__le32 local_ip[4];
__le32 flow_label;
u8 ttl;
u8 tos_or_tc;
__le16 remote_port;
__le16 local_port;
__le16 mss;
u8 rcv_wnd_scale;
u8 connect_mode;
__le16 syn_ip_payload_length;
__le32 syn_phy_addr_lo;
__le32 syn_phy_addr_hi;
__le32 cwnd;
u8 ka_max_probe_cnt;
u8 reserved2[3];
__le32 ka_timeout;
__le32 ka_interval;
__le32 max_rt_time;
__le32 reserved3[16];
};
/* tcp IPv4/IPv6 enum */
enum tcp_seg_placement_event {
TCP_EVENT_ADD_PEN,
TCP_EVENT_ADD_NEW_ISLE,
TCP_EVENT_ADD_ISLE_RIGHT,
TCP_EVENT_ADD_ISLE_LEFT,
TCP_EVENT_JOIN,
TCP_EVENT_DELETE_ISLES,
TCP_EVENT_NOP,
MAX_TCP_SEG_PLACEMENT_EVENT
};
/* tcp init parameters */
struct tcp_update_params {
__le16 flags;
#define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_REMOTE_MAC_ADDR_CHANGED_SHIFT 0
#define TCP_UPDATE_PARAMS_MSS_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_MSS_CHANGED_SHIFT 1
#define TCP_UPDATE_PARAMS_TTL_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_TTL_CHANGED_SHIFT 2
#define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_TOS_OR_TC_CHANGED_SHIFT 3
#define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_KA_TIMEOUT_CHANGED_SHIFT 4
#define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_KA_INTERVAL_CHANGED_SHIFT 5
#define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_MAX_RT_TIME_CHANGED_SHIFT 6
#define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_FLOW_LABEL_CHANGED_SHIFT 7
#define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_INITIAL_RCV_WND_CHANGED_SHIFT 8
#define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_KA_MAX_PROBE_CNT_CHANGED_SHIFT 9
#define TCP_UPDATE_PARAMS_KA_EN_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_KA_EN_CHANGED_SHIFT 10
#define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_MASK 0x1
#define TCP_UPDATE_PARAMS_NAGLE_EN_CHANGED_SHIFT 11
#define TCP_UPDATE_PARAMS_KA_EN_MASK 0x1
#define TCP_UPDATE_PARAMS_KA_EN_SHIFT 12
#define TCP_UPDATE_PARAMS_NAGLE_EN_MASK 0x1
#define TCP_UPDATE_PARAMS_NAGLE_EN_SHIFT 13
#define TCP_UPDATE_PARAMS_KA_RESTART_MASK 0x1
#define TCP_UPDATE_PARAMS_KA_RESTART_SHIFT 14
#define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_MASK 0x1
#define TCP_UPDATE_PARAMS_RETRANSMIT_RESTART_SHIFT 15
__le16 remote_mac_addr_lo;
__le16 remote_mac_addr_mid;
__le16 remote_mac_addr_hi;
__le16 mss;
u8 ttl;
u8 tos_or_tc;
__le32 ka_timeout;
__le32 ka_interval;
__le32 max_rt_time;
__le32 flow_label;
__le32 initial_rcv_wnd;
u8 ka_max_probe_cnt;
u8 reserved1[7];
};
/* toe upload parameters */
struct tcp_upload_params {
__le32 rcv_next;
__le32 snd_una;
__le32 snd_next;
__le32 snd_max;
__le32 snd_wnd;
__le32 rcv_wnd;
__le32 snd_wl1;
__le32 cwnd;
__le32 ss_thresh;
__le16 srtt;
__le16 rtt_var;
__le32 ts_time;
__le32 ts_recent;
__le32 ts_recent_age;
__le32 total_rt;
__le32 ka_timeout_delta;
__le32 rt_timeout_delta;
u8 dup_ack_cnt;
u8 snd_wnd_probe_cnt;
u8 ka_probe_cnt;
u8 rt_cnt;
__le32 reserved;
};
#endif /* __TCP_COMMON__ */
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