455 lines
12 KiB
C
455 lines
12 KiB
C
/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and /or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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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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* @brief qed_eth_rx_queue_stop - This ramrod closes an Rx queue
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*
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* @param p_hwfn
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* @param p_rxq Handler of queue to close
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* @param 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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* @param cqe_completion If True completion will be
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* receive on CQe.
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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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* @brief qed_eth_tx_queue_stop - closes a Tx queue
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*
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* @param p_hwfn
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* @param 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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* @brief qed_sp_vport_stop -
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*
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* This ramrod closes a VPort after all its 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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* @param p_hwfn
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* @param opaque_fid
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* @param 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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* @brief qed_sp_rx_eth_queues_update -
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*
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* This ramrod updates an RX queue. It is used for setting the active state
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* of the queue and updating the TPA and SGE parameters.
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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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* @param p_hwfn
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* @param pp_rxq_handlers An array of queue handlers to be updated.
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* @param num_rxqs number of queues to update.
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* @param complete_cqe_flg Post completion to the CQE Ring if set
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* @param complete_event_flg Post completion to the Event Ring if set
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* @param comp_mode
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* @param p_comp_data
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*
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* @return int
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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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void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
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void qed_reset_vport_stats(struct qed_dev *cdev);
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/**
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* *@brief qed_arfs_mode_configure -
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*
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**Enable or disable rfs mode. It must accept atleast one of tcp or udp true
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**and atleast one of ipv4 or ipv6 true to enable rfs mode.
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*
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**@param p_hwfn
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**@param p_ptt
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**@param p_cfg_params - arfs mode configuration parameters.
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*
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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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* @brief - qed_configure_rfs_ntuple_filter
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*
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* This ramrod should be used to add or remove arfs hw filter
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*
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* @params p_hwfn
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* @params 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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* @params p_params
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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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* @brief - Starts an Rx queue, when queue_cid is already prepared
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*
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* @param p_hwfn
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* @param p_cid
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* @param bd_max_bytes
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* @param bd_chain_phys_addr
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* @param cqe_pbl_addr
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* @param cqe_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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* @brief - Starts a Tx queue, where queue_cid is already prepared
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*
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* @param p_hwfn
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* @param p_cid
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* @param pbl_addr
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* @param pbl_size
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* @param p_pq_params - 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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