455 lines
12 KiB
C
455 lines
12 KiB
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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* Copyright (c) 2019-2020 Marvell International Ltd.
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*/
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#ifndef _QED_L2_H
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#define _QED_L2_H
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#include <linux/types.h>
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#include <linux/io.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/qed/qed_eth_if.h>
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#include "qed.h"
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#include "qed_hw.h"
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#include "qed_sp.h"
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struct qed_rss_params {
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u8 update_rss_config;
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u8 rss_enable;
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u8 rss_eng_id;
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u8 update_rss_capabilities;
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u8 update_rss_ind_table;
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u8 update_rss_key;
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u8 rss_caps;
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u8 rss_table_size_log;
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/* Indirection table consist of rx queue handles */
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void *rss_ind_table[QED_RSS_IND_TABLE_SIZE];
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u32 rss_key[QED_RSS_KEY_SIZE];
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};
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struct qed_sge_tpa_params {
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u8 max_buffers_per_cqe;
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u8 update_tpa_en_flg;
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u8 tpa_ipv4_en_flg;
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u8 tpa_ipv6_en_flg;
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u8 tpa_ipv4_tunn_en_flg;
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u8 tpa_ipv6_tunn_en_flg;
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u8 update_tpa_param_flg;
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u8 tpa_pkt_split_flg;
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u8 tpa_hdr_data_split_flg;
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u8 tpa_gro_consistent_flg;
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u8 tpa_max_aggs_num;
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u16 tpa_max_size;
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u16 tpa_min_size_to_start;
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u16 tpa_min_size_to_cont;
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};
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enum qed_filter_opcode {
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QED_FILTER_ADD,
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QED_FILTER_REMOVE,
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QED_FILTER_MOVE,
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QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */
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QED_FILTER_FLUSH, /* Removes all filters */
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};
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enum qed_filter_ucast_type {
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QED_FILTER_MAC,
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QED_FILTER_VLAN,
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QED_FILTER_MAC_VLAN,
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QED_FILTER_INNER_MAC,
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QED_FILTER_INNER_VLAN,
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QED_FILTER_INNER_PAIR,
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QED_FILTER_INNER_MAC_VNI_PAIR,
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QED_FILTER_MAC_VNI_PAIR,
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QED_FILTER_VNI,
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};
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struct qed_filter_ucast {
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enum qed_filter_opcode opcode;
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enum qed_filter_ucast_type type;
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u8 is_rx_filter;
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u8 is_tx_filter;
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u8 vport_to_add_to;
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u8 vport_to_remove_from;
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unsigned char mac[ETH_ALEN];
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u8 assert_on_error;
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u16 vlan;
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u32 vni;
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};
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struct qed_filter_mcast {
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/* MOVE is not supported for multicast */
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enum qed_filter_opcode opcode;
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u8 vport_to_add_to;
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u8 vport_to_remove_from;
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u8 num_mc_addrs;
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#define QED_MAX_MC_ADDRS 64
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unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];
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};
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/**
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* qed_eth_rx_queue_stop(): This ramrod closes an Rx queue.
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*
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* @p_hwfn: HW device data.
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* @p_rxq: Handler of queue to close
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* @eq_completion_only: If True completion will be on
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* EQe, if False completion will be
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* on EQe if p_hwfn opaque
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* different from the RXQ opaque
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* otherwise on CQe.
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* @cqe_completion: If True completion will be receive on CQe.
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*
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* Return: Int.
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*/
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int
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qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,
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void *p_rxq,
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bool eq_completion_only, bool cqe_completion);
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/**
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* qed_eth_tx_queue_stop(): Closes a Tx queue.
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*
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* @p_hwfn: HW device data.
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* @p_txq: handle to Tx queue needed to be closed.
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*
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* Return: Int.
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*/
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int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq);
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enum qed_tpa_mode {
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QED_TPA_MODE_NONE,
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QED_TPA_MODE_UNUSED,
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QED_TPA_MODE_GRO,
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QED_TPA_MODE_MAX
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};
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struct qed_sp_vport_start_params {
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enum qed_tpa_mode tpa_mode;
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bool remove_inner_vlan;
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bool tx_switching;
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bool handle_ptp_pkts;
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bool only_untagged;
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bool drop_ttl0;
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u8 max_buffers_per_cqe;
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u32 concrete_fid;
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u16 opaque_fid;
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u8 vport_id;
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u16 mtu;
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bool check_mac;
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bool check_ethtype;
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};
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int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
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struct qed_sp_vport_start_params *p_params);
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struct qed_filter_accept_flags {
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u8 update_rx_mode_config;
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u8 update_tx_mode_config;
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u8 rx_accept_filter;
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u8 tx_accept_filter;
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#define QED_ACCEPT_NONE 0x01
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#define QED_ACCEPT_UCAST_MATCHED 0x02
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#define QED_ACCEPT_UCAST_UNMATCHED 0x04
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#define QED_ACCEPT_MCAST_MATCHED 0x08
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#define QED_ACCEPT_MCAST_UNMATCHED 0x10
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#define QED_ACCEPT_BCAST 0x20
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#define QED_ACCEPT_ANY_VNI 0x40
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};
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struct qed_arfs_config_params {
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bool tcp;
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bool udp;
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bool ipv4;
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bool ipv6;
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enum qed_filter_config_mode mode;
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};
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struct qed_sp_vport_update_params {
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u16 opaque_fid;
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u8 vport_id;
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u8 update_vport_active_rx_flg;
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u8 vport_active_rx_flg;
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u8 update_vport_active_tx_flg;
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u8 vport_active_tx_flg;
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u8 update_inner_vlan_removal_flg;
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u8 inner_vlan_removal_flg;
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u8 silent_vlan_removal_flg;
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u8 update_default_vlan_enable_flg;
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u8 default_vlan_enable_flg;
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u8 update_default_vlan_flg;
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u16 default_vlan;
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u8 update_tx_switching_flg;
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u8 tx_switching_flg;
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u8 update_approx_mcast_flg;
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u8 update_anti_spoofing_en_flg;
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u8 anti_spoofing_en;
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u8 update_accept_any_vlan_flg;
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u8 accept_any_vlan;
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u32 bins[8];
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struct qed_rss_params *rss_params;
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struct qed_filter_accept_flags accept_flags;
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struct qed_sge_tpa_params *sge_tpa_params;
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u8 update_ctl_frame_check;
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u8 mac_chk_en;
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u8 ethtype_chk_en;
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};
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int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
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struct qed_sp_vport_update_params *p_params,
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enum spq_mode comp_mode,
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struct qed_spq_comp_cb *p_comp_data);
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/**
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* qed_sp_vport_stop: This ramrod closes a VPort after all its
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* RX and TX queues are terminated.
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* An Assert is generated if any queues are left open.
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*
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* @p_hwfn: HW device data.
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* @opaque_fid: Opaque FID
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* @vport_id: VPort ID.
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*
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* Return: Int.
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*/
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int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id);
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int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,
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u16 opaque_fid,
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struct qed_filter_ucast *p_filter_cmd,
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enum spq_mode comp_mode,
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struct qed_spq_comp_cb *p_comp_data);
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/**
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* qed_sp_eth_rx_queues_update(): This ramrod updates an RX queue.
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* It is used for setting the active state
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* of the queue and updating the TPA and
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* SGE parameters.
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* @p_hwfn: HW device data.
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* @pp_rxq_handlers: An array of queue handlers to be updated.
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* @num_rxqs: number of queues to update.
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* @complete_cqe_flg: Post completion to the CQE Ring if set.
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* @complete_event_flg: Post completion to the Event Ring if set.
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* @comp_mode: Comp mode.
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* @p_comp_data: Pointer Comp data.
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*
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* Return: Int.
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*
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* Note At the moment - only used by non-linux VFs.
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*/
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int
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qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,
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void **pp_rxq_handlers,
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u8 num_rxqs,
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u8 complete_cqe_flg,
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u8 complete_event_flg,
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enum spq_mode comp_mode,
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struct qed_spq_comp_cb *p_comp_data);
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/**
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* qed_get_vport_stats(): Fills provided statistics
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* struct with statistics.
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*
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* @cdev: Qed dev pointer.
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* @stats: Points to struct that will be filled with statistics.
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*
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* Return: Void.
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*/
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void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
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/**
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* qed_get_vport_stats_context(): Fills provided statistics
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* struct with statistics.
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*
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* @cdev: Qed dev pointer.
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* @stats: Points to struct that will be filled with statistics.
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* @is_atomic: Hint from the caller - if the func can sleep or not.
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*
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* Context: The function should not sleep in case is_atomic == true.
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* Return: Void.
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*/
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void qed_get_vport_stats_context(struct qed_dev *cdev,
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struct qed_eth_stats *stats,
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bool is_atomic);
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void qed_reset_vport_stats(struct qed_dev *cdev);
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/**
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* qed_arfs_mode_configure(): Enable or disable rfs mode.
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* It must accept at least one of tcp or udp true
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* and at least one of ipv4 or ipv6 true to enable
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* rfs mode.
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*
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* @p_hwfn: HW device data.
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* @p_ptt: P_ptt.
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* @p_cfg_params: arfs mode configuration parameters.
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*
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* Return. Void.
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*/
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void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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struct qed_arfs_config_params *p_cfg_params);
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/**
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* qed_configure_rfs_ntuple_filter(): This ramrod should be used to add
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* or remove arfs hw filter
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*
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* @p_hwfn: HW device data.
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* @p_cb: Used for QED_SPQ_MODE_CB,where client would initialize
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* it with cookie and callback function address, if not
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* using this mode then client must pass NULL.
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* @p_params: Pointer to params.
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*
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* Return: Void.
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*/
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int
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qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
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struct qed_spq_comp_cb *p_cb,
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struct qed_ntuple_filter_params *p_params);
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#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)
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#define QED_QUEUE_CID_SELF (0xff)
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/* Almost identical to the qed_queue_start_common_params,
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* but here we maintain the SB index in IGU CAM.
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*/
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struct qed_queue_cid_params {
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u8 vport_id;
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u16 queue_id;
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u8 stats_id;
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};
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/* Additional parameters required for initialization of the queue_cid
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* and are relevant only for a PF initializing one for its VFs.
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*/
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struct qed_queue_cid_vf_params {
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/* Should match the VF's relative index */
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u8 vfid;
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/* 0-based queue index. Should reflect the relative qzone the
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* VF thinks is associated with it [in its range].
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*/
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u8 vf_qid;
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/* Indicates a VF is legacy, making it differ in several things:
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* - Producers would be placed in a different place.
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* - Makes assumptions regarding the CIDs.
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*/
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u8 vf_legacy;
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u8 qid_usage_idx;
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};
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struct qed_queue_cid {
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/* For stats-id, the `rel' is actually absolute as well */
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struct qed_queue_cid_params rel;
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struct qed_queue_cid_params abs;
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/* These have no 'relative' meaning */
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u16 sb_igu_id;
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u8 sb_idx;
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u32 cid;
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u16 opaque_fid;
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bool b_is_rx;
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/* VFs queues are mapped differently, so we need to know the
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* relative queue associated with them [0-based].
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* Notice this is relevant on the *PF* queue-cid of its VF's queues,
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* and not on the VF itself.
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*/
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u8 vfid;
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u8 vf_qid;
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/* We need an additional index to differentiate between queues opened
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* for same queue-zone, as VFs would have to communicate the info
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* to the PF [otherwise PF has no way to differentiate].
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*/
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u8 qid_usage_idx;
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u8 vf_legacy;
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#define QED_QCID_LEGACY_VF_RX_PROD (BIT(0))
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#define QED_QCID_LEGACY_VF_CID (BIT(1))
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struct qed_hwfn *p_owner;
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};
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int qed_l2_alloc(struct qed_hwfn *p_hwfn);
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void qed_l2_setup(struct qed_hwfn *p_hwfn);
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void qed_l2_free(struct qed_hwfn *p_hwfn);
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void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn,
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struct qed_queue_cid *p_cid);
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struct qed_queue_cid *
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qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
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u16 opaque_fid,
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struct qed_queue_start_common_params *p_params,
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bool b_is_rx,
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struct qed_queue_cid_vf_params *p_vf_params);
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int
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qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
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struct qed_sp_vport_start_params *p_params);
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/**
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* qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is
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* already prepared
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*
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* @p_hwfn: HW device data.
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* @p_cid: Pointer CID.
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* @bd_max_bytes: Max bytes.
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* @bd_chain_phys_addr: Chain physcial address.
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* @cqe_pbl_addr: PBL address.
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* @cqe_pbl_size: PBL size.
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*
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* Return: Int.
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*/
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int
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qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,
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struct qed_queue_cid *p_cid,
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u16 bd_max_bytes,
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dma_addr_t bd_chain_phys_addr,
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dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);
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/**
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* qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is
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* already prepared
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*
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* @p_hwfn: HW device data.
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* @p_cid: Pointer CID.
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* @pbl_addr: PBL address.
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* @pbl_size: PBL size.
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* @pq_id: Parameters for choosing the PQ for this Tx queue.
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*
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* Return: Int.
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*/
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int
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qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn,
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struct qed_queue_cid *p_cid,
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dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id);
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u8 qed_mcast_bin_from_mac(u8 *mac);
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int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u16 coalesce, struct qed_queue_cid *p_cid);
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int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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u16 coalesce, struct qed_queue_cid *p_cid);
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int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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struct qed_queue_cid *p_cid, u16 *p_hw_coal);
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int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn,
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struct qed_ptt *p_ptt,
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struct qed_queue_cid *p_cid, u16 *p_hw_coal);
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#endif
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