300 lines
7.6 KiB
C
300 lines
7.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Marvell Octeon EP (EndPoint) Ethernet Driver
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*
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* Copyright (C) 2020 Marvell.
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*
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*/
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#ifndef __OCTEP_CTRL_NET_H__
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#define __OCTEP_CTRL_NET_H__
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/* Supported commands */
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enum octep_ctrl_net_cmd {
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OCTEP_CTRL_NET_CMD_GET = 0,
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OCTEP_CTRL_NET_CMD_SET,
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};
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/* Supported states */
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enum octep_ctrl_net_state {
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OCTEP_CTRL_NET_STATE_DOWN = 0,
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OCTEP_CTRL_NET_STATE_UP,
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};
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/* Supported replies */
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enum octep_ctrl_net_reply {
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OCTEP_CTRL_NET_REPLY_OK = 0,
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OCTEP_CTRL_NET_REPLY_GENERIC_FAIL,
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OCTEP_CTRL_NET_REPLY_INVALID_PARAM,
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};
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/* Supported host to fw commands */
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enum octep_ctrl_net_h2f_cmd {
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OCTEP_CTRL_NET_H2F_CMD_INVALID = 0,
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OCTEP_CTRL_NET_H2F_CMD_MTU,
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OCTEP_CTRL_NET_H2F_CMD_MAC,
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OCTEP_CTRL_NET_H2F_CMD_GET_IF_STATS,
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OCTEP_CTRL_NET_H2F_CMD_GET_XSTATS,
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OCTEP_CTRL_NET_H2F_CMD_GET_Q_STATS,
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OCTEP_CTRL_NET_H2F_CMD_LINK_STATUS,
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OCTEP_CTRL_NET_H2F_CMD_RX_STATE,
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OCTEP_CTRL_NET_H2F_CMD_LINK_INFO,
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};
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/* Supported fw to host commands */
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enum octep_ctrl_net_f2h_cmd {
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OCTEP_CTRL_NET_F2H_CMD_INVALID = 0,
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OCTEP_CTRL_NET_F2H_CMD_LINK_STATUS,
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};
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struct octep_ctrl_net_req_hdr {
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/* sender id */
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u16 sender;
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/* receiver id */
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u16 receiver;
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/* octep_ctrl_net_h2t_cmd */
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u16 cmd;
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/* reserved */
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u16 rsvd0;
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};
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/* get/set mtu request */
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struct octep_ctrl_net_h2f_req_cmd_mtu {
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/* enum octep_ctrl_net_cmd */
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u16 cmd;
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/* 0-65535 */
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u16 val;
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};
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/* get/set mac request */
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struct octep_ctrl_net_h2f_req_cmd_mac {
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/* enum octep_ctrl_net_cmd */
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u16 cmd;
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/* xx:xx:xx:xx:xx:xx */
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u8 addr[ETH_ALEN];
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};
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/* get if_stats, xstats, q_stats request */
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struct octep_ctrl_net_h2f_req_cmd_get_stats {
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/* offset into barmem where fw should copy over stats */
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u32 offset;
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};
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/* get/set link state, rx state */
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struct octep_ctrl_net_h2f_req_cmd_state {
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/* enum octep_ctrl_net_cmd */
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u16 cmd;
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/* enum octep_ctrl_net_state */
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u16 state;
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};
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/* link info */
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struct octep_ctrl_net_link_info {
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/* Bitmap of Supported link speeds/modes */
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u64 supported_modes;
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/* Bitmap of Advertised link speeds/modes */
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u64 advertised_modes;
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/* Autonegotation state; bit 0=disabled; bit 1=enabled */
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u8 autoneg;
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/* Pause frames setting. bit 0=disabled; bit 1=enabled */
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u8 pause;
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/* Negotiated link speed in Mbps */
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u32 speed;
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};
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/* get/set link info */
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struct octep_ctrl_net_h2f_req_cmd_link_info {
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/* enum octep_ctrl_net_cmd */
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u16 cmd;
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/* struct octep_ctrl_net_link_info */
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struct octep_ctrl_net_link_info info;
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};
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/* Host to fw request data */
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struct octep_ctrl_net_h2f_req {
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struct octep_ctrl_net_req_hdr hdr;
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union {
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struct octep_ctrl_net_h2f_req_cmd_mtu mtu;
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struct octep_ctrl_net_h2f_req_cmd_mac mac;
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struct octep_ctrl_net_h2f_req_cmd_get_stats get_stats;
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struct octep_ctrl_net_h2f_req_cmd_state link;
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struct octep_ctrl_net_h2f_req_cmd_state rx;
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struct octep_ctrl_net_h2f_req_cmd_link_info link_info;
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};
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} __packed;
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struct octep_ctrl_net_resp_hdr {
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/* sender id */
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u16 sender;
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/* receiver id */
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u16 receiver;
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/* octep_ctrl_net_h2t_cmd */
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u16 cmd;
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/* octep_ctrl_net_reply */
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u16 reply;
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};
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/* get mtu response */
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struct octep_ctrl_net_h2f_resp_cmd_mtu {
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/* 0-65535 */
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u16 val;
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};
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/* get mac response */
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struct octep_ctrl_net_h2f_resp_cmd_mac {
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/* xx:xx:xx:xx:xx:xx */
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u8 addr[ETH_ALEN];
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};
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/* get link state, rx state response */
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struct octep_ctrl_net_h2f_resp_cmd_state {
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/* enum octep_ctrl_net_state */
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u16 state;
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};
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/* Host to fw response data */
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struct octep_ctrl_net_h2f_resp {
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struct octep_ctrl_net_resp_hdr hdr;
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union {
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struct octep_ctrl_net_h2f_resp_cmd_mtu mtu;
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struct octep_ctrl_net_h2f_resp_cmd_mac mac;
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struct octep_ctrl_net_h2f_resp_cmd_state link;
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struct octep_ctrl_net_h2f_resp_cmd_state rx;
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struct octep_ctrl_net_link_info link_info;
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};
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} __packed;
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/* link state notofication */
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struct octep_ctrl_net_f2h_req_cmd_state {
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/* enum octep_ctrl_net_state */
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u16 state;
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};
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/* Fw to host request data */
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struct octep_ctrl_net_f2h_req {
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struct octep_ctrl_net_req_hdr hdr;
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union {
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struct octep_ctrl_net_f2h_req_cmd_state link;
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};
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};
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/* Fw to host response data */
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struct octep_ctrl_net_f2h_resp {
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struct octep_ctrl_net_resp_hdr hdr;
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};
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/* Size of host to fw octep_ctrl_mbox queue element */
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union octep_ctrl_net_h2f_data_sz {
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struct octep_ctrl_net_h2f_req h2f_req;
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struct octep_ctrl_net_h2f_resp h2f_resp;
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};
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/* Size of fw to host octep_ctrl_mbox queue element */
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union octep_ctrl_net_f2h_data_sz {
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struct octep_ctrl_net_f2h_req f2h_req;
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struct octep_ctrl_net_f2h_resp f2h_resp;
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};
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/* size of host to fw data in words */
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#define OCTEP_CTRL_NET_H2F_DATA_SZW ((sizeof(union octep_ctrl_net_h2f_data_sz)) / \
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(sizeof(unsigned long)))
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/* size of fw to host data in words */
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#define OCTEP_CTRL_NET_F2H_DATA_SZW ((sizeof(union octep_ctrl_net_f2h_data_sz)) / \
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(sizeof(unsigned long)))
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/* size in words of get/set mtu request */
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#define OCTEP_CTRL_NET_H2F_MTU_REQ_SZW 2
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/* size in words of get/set mac request */
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#define OCTEP_CTRL_NET_H2F_MAC_REQ_SZW 2
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/* size in words of get stats request */
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#define OCTEP_CTRL_NET_H2F_GET_STATS_REQ_SZW 2
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/* size in words of get/set state request */
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#define OCTEP_CTRL_NET_H2F_STATE_REQ_SZW 2
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/* size in words of get/set link info request */
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#define OCTEP_CTRL_NET_H2F_LINK_INFO_REQ_SZW 4
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/* size in words of get mtu response */
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#define OCTEP_CTRL_NET_H2F_GET_MTU_RESP_SZW 2
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/* size in words of set mtu response */
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#define OCTEP_CTRL_NET_H2F_SET_MTU_RESP_SZW 1
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/* size in words of get mac response */
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#define OCTEP_CTRL_NET_H2F_GET_MAC_RESP_SZW 2
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/* size in words of set mac response */
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#define OCTEP_CTRL_NET_H2F_SET_MAC_RESP_SZW 1
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/* size in words of get state request */
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#define OCTEP_CTRL_NET_H2F_GET_STATE_RESP_SZW 2
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/* size in words of set state request */
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#define OCTEP_CTRL_NET_H2F_SET_STATE_RESP_SZW 1
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/* size in words of get link info request */
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#define OCTEP_CTRL_NET_H2F_GET_LINK_INFO_RESP_SZW 4
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/* size in words of set link info request */
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#define OCTEP_CTRL_NET_H2F_SET_LINK_INFO_RESP_SZW 1
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/** Get link status from firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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*
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* return value: link status 0=down, 1=up.
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*/
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int octep_get_link_status(struct octep_device *oct);
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/** Set link status in firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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* @param up: boolean status.
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*/
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void octep_set_link_status(struct octep_device *oct, bool up);
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/** Set rx state in firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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* @param up: boolean status.
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*/
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void octep_set_rx_state(struct octep_device *oct, bool up);
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/** Get mac address from firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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* @param addr: non-null pointer to mac address.
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*
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* return value: 0 on success, -errno on failure.
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*/
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int octep_get_mac_addr(struct octep_device *oct, u8 *addr);
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/** Set mac address in firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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* @param addr: non-null pointer to mac address.
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*/
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int octep_set_mac_addr(struct octep_device *oct, u8 *addr);
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/** Set mtu in firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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* @param mtu: mtu.
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*/
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int octep_set_mtu(struct octep_device *oct, int mtu);
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/** Get interface statistics from firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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*
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* return value: 0 on success, -errno on failure.
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*/
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int octep_get_if_stats(struct octep_device *oct);
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/** Get link info from firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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*
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* return value: 0 on success, -errno on failure.
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*/
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int octep_get_link_info(struct octep_device *oct);
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/** Set link info in firmware.
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*
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* @param oct: non-null pointer to struct octep_device.
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*/
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int octep_set_link_info(struct octep_device *oct, struct octep_iface_link_info *link_info);
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#endif /* __OCTEP_CTRL_NET_H__ */
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