/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and /or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _QED_L2_H
#define _QED_L2_H
#include <linux/types.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/qed/qed_eth_if.h>
#include "qed.h"
#include "qed_hw.h"
#include "qed_sp.h"
struct qed_rss_params {
u8 update_rss_config;
u8 rss_enable;
u8 rss_eng_id;
u8 update_rss_capabilities;
u8 update_rss_ind_table;
u8 update_rss_key;
u8 rss_caps;
u8 rss_table_size_log;
/* Indirection table consist of rx queue handles */
void *rss_ind_table[QED_RSS_IND_TABLE_SIZE];
u32 rss_key[QED_RSS_KEY_SIZE];
};
struct qed_sge_tpa_params {
u8 max_buffers_per_cqe;
u8 update_tpa_en_flg;
u8 tpa_ipv4_en_flg;
u8 tpa_ipv6_en_flg;
u8 tpa_ipv4_tunn_en_flg;
u8 tpa_ipv6_tunn_en_flg;
u8 update_tpa_param_flg;
u8 tpa_pkt_split_flg;
u8 tpa_hdr_data_split_flg;
u8 tpa_gro_consistent_flg;
u8 tpa_max_aggs_num;
u16 tpa_max_size;
u16 tpa_min_size_to_start;
u16 tpa_min_size_to_cont;
};
enum qed_filter_opcode {
QED_FILTER_ADD,
QED_FILTER_REMOVE,
QED_FILTER_MOVE,
QED_FILTER_REPLACE, /* Delete all MACs and add new one instead */
QED_FILTER_FLUSH, /* Removes all filters */
};
enum qed_filter_ucast_type {
QED_FILTER_MAC,
QED_FILTER_VLAN,
QED_FILTER_MAC_VLAN,
QED_FILTER_INNER_MAC,
QED_FILTER_INNER_VLAN,
QED_FILTER_INNER_PAIR,
QED_FILTER_INNER_MAC_VNI_PAIR,
QED_FILTER_MAC_VNI_PAIR,
QED_FILTER_VNI,
};
struct qed_filter_ucast {
enum qed_filter_opcode opcode;
enum qed_filter_ucast_type type;
u8 is_rx_filter;
u8 is_tx_filter;
u8 vport_to_add_to;
u8 vport_to_remove_from;
unsigned char mac[ETH_ALEN];
u8 assert_on_error;
u16 vlan;
u32 vni;
};
struct qed_filter_mcast {
/* MOVE is not supported for multicast */
enum qed_filter_opcode opcode;
u8 vport_to_add_to;
u8 vport_to_remove_from;
u8 num_mc_addrs;
#define QED_MAX_MC_ADDRS 64
unsigned char mac[QED_MAX_MC_ADDRS][ETH_ALEN];
};
/**
* @brief qed_eth_rx_queue_stop - This ramrod closes an Rx queue
*
* @param p_hwfn
* @param p_rxq Handler of queue to close
* @param eq_completion_only If True completion will be on
* EQe, if False completion will be
* on EQe if p_hwfn opaque
* different from the RXQ opaque
* otherwise on CQe.
* @param cqe_completion If True completion will be
* receive on CQe.
* @return int
*/
int
qed_eth_rx_queue_stop(struct qed_hwfn *p_hwfn,
void *p_rxq,
bool eq_completion_only, bool cqe_completion);
/**
* @brief qed_eth_tx_queue_stop - closes a Tx queue
*
* @param p_hwfn
* @param p_txq - handle to Tx queue needed to be closed
*
* @return int
*/
int qed_eth_tx_queue_stop(struct qed_hwfn *p_hwfn, void *p_txq);
enum qed_tpa_mode {
QED_TPA_MODE_NONE,
QED_TPA_MODE_UNUSED,
QED_TPA_MODE_GRO,
QED_TPA_MODE_MAX
};
struct qed_sp_vport_start_params {
enum qed_tpa_mode tpa_mode;
bool remove_inner_vlan;
bool tx_switching;
bool handle_ptp_pkts;
bool only_untagged;
bool drop_ttl0;
u8 max_buffers_per_cqe;
u32 concrete_fid;
u16 opaque_fid;
u8 vport_id;
u16 mtu;
bool check_mac;
bool check_ethtype;
};
int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_start_params *p_params);
struct qed_filter_accept_flags {
u8 update_rx_mode_config;
u8 update_tx_mode_config;
u8 rx_accept_filter;
u8 tx_accept_filter;
#define QED_ACCEPT_NONE 0x01
#define QED_ACCEPT_UCAST_MATCHED 0x02
#define QED_ACCEPT_UCAST_UNMATCHED 0x04
#define QED_ACCEPT_MCAST_MATCHED 0x08
#define QED_ACCEPT_MCAST_UNMATCHED 0x10
#define QED_ACCEPT_BCAST 0x20
#define QED_ACCEPT_ANY_VNI 0x40
};
struct qed_arfs_config_params {
bool tcp;
bool udp;
bool ipv4;
bool ipv6;
enum qed_filter_config_mode mode;
};
struct qed_sp_vport_update_params {
u16 opaque_fid;
u8 vport_id;
u8 update_vport_active_rx_flg;
u8 vport_active_rx_flg;
u8 update_vport_active_tx_flg;
u8 vport_active_tx_flg;
u8 update_inner_vlan_removal_flg;
u8 inner_vlan_removal_flg;
u8 silent_vlan_removal_flg;
u8 update_default_vlan_enable_flg;
u8 default_vlan_enable_flg;
u8 update_default_vlan_flg;
u16 default_vlan;
u8 update_tx_switching_flg;
u8 tx_switching_flg;
u8 update_approx_mcast_flg;
u8 update_anti_spoofing_en_flg;
u8 anti_spoofing_en;
u8 update_accept_any_vlan_flg;
u8 accept_any_vlan;
u32 bins[8];
struct qed_rss_params *rss_params;
struct qed_filter_accept_flags accept_flags;
struct qed_sge_tpa_params *sge_tpa_params;
u8 update_ctl_frame_check;
u8 mac_chk_en;
u8 ethtype_chk_en;
};
int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_update_params *p_params,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data);
/**
* @brief qed_sp_vport_stop -
*
* This ramrod closes a VPort after all its RX and TX queues are terminated.
* An Assert is generated if any queues are left open.
*
* @param p_hwfn
* @param opaque_fid
* @param vport_id VPort ID
*
* @return int
*/
int qed_sp_vport_stop(struct qed_hwfn *p_hwfn, u16 opaque_fid, u8 vport_id);
int qed_sp_eth_filter_ucast(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_filter_ucast *p_filter_cmd,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data);
/**
* @brief qed_sp_rx_eth_queues_update -
*
* This ramrod updates an RX queue. It is used for setting the active state
* of the queue and updating the TPA and SGE parameters.
*
* @note At the moment - only used by non-linux VFs.
*
* @param p_hwfn
* @param pp_rxq_handlers An array of queue handlers to be updated.
* @param num_rxqs number of queues to update.
* @param complete_cqe_flg Post completion to the CQE Ring if set
* @param complete_event_flg Post completion to the Event Ring if set
* @param comp_mode
* @param p_comp_data
*
* @return int
*/
int
qed_sp_eth_rx_queues_update(struct qed_hwfn *p_hwfn,
void **pp_rxq_handlers,
u8 num_rxqs,
u8 complete_cqe_flg,
u8 complete_event_flg,
enum spq_mode comp_mode,
struct qed_spq_comp_cb *p_comp_data);
void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats);
void qed_reset_vport_stats(struct qed_dev *cdev);
/**
* *@brief qed_arfs_mode_configure -
*
**Enable or disable rfs mode. It must accept atleast one of tcp or udp true
**and atleast one of ipv4 or ipv6 true to enable rfs mode.
*
**@param p_hwfn
**@param p_ptt
**@param p_cfg_params - arfs mode configuration parameters.
*
*/
void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_arfs_config_params *p_cfg_params);
/**
* @brief - qed_configure_rfs_ntuple_filter
*
* This ramrod should be used to add or remove arfs hw filter
*
* @params p_hwfn
* @params p_cb - Used for QED_SPQ_MODE_CB,where client would initialize
* it with cookie and callback function address, if not
* using this mode then client must pass NULL.
* @params p_params
*/
int
qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
struct qed_spq_comp_cb *p_cb,
struct qed_ntuple_filter_params *p_params);
#define MAX_QUEUES_PER_QZONE (sizeof(unsigned long) * 8)
#define QED_QUEUE_CID_SELF (0xff)
/* Almost identical to the qed_queue_start_common_params,
* but here we maintain the SB index in IGU CAM.
*/
struct qed_queue_cid_params {
u8 vport_id;
u16 queue_id;
u8 stats_id;
};
/* Additional parameters required for initialization of the queue_cid
* and are relevant only for a PF initializing one for its VFs.
*/
struct qed_queue_cid_vf_params {
/* Should match the VF's relative index */
u8 vfid;
/* 0-based queue index. Should reflect the relative qzone the
* VF thinks is associated with it [in its range].
*/
u8 vf_qid;
/* Indicates a VF is legacy, making it differ in several things:
* - Producers would be placed in a different place.
* - Makes assumptions regarding the CIDs.
*/
u8 vf_legacy;
u8 qid_usage_idx;
};
struct qed_queue_cid {
/* For stats-id, the `rel' is actually absolute as well */
struct qed_queue_cid_params rel;
struct qed_queue_cid_params abs;
/* These have no 'relative' meaning */
u16 sb_igu_id;
u8 sb_idx;
u32 cid;
u16 opaque_fid;
bool b_is_rx;
/* VFs queues are mapped differently, so we need to know the
* relative queue associated with them [0-based].
* Notice this is relevant on the *PF* queue-cid of its VF's queues,
* and not on the VF itself.
*/
u8 vfid;
u8 vf_qid;
/* We need an additional index to differentiate between queues opened
* for same queue-zone, as VFs would have to communicate the info
* to the PF [otherwise PF has no way to differentiate].
*/
u8 qid_usage_idx;
u8 vf_legacy;
#define QED_QCID_LEGACY_VF_RX_PROD (BIT(0))
#define QED_QCID_LEGACY_VF_CID (BIT(1))
struct qed_hwfn *p_owner;
};
int qed_l2_alloc(struct qed_hwfn *p_hwfn);
void qed_l2_setup(struct qed_hwfn *p_hwfn);
void qed_l2_free(struct qed_hwfn *p_hwfn);
void qed_eth_queue_cid_release(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid);
struct qed_queue_cid *
qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
u16 opaque_fid,
struct qed_queue_start_common_params *p_params,
bool b_is_rx,
struct qed_queue_cid_vf_params *p_vf_params);
int
qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
struct qed_sp_vport_start_params *p_params);
/**
* @brief - Starts an Rx queue, when queue_cid is already prepared
*
* @param p_hwfn
* @param p_cid
* @param bd_max_bytes
* @param bd_chain_phys_addr
* @param cqe_pbl_addr
* @param cqe_pbl_size
*
* @return int
*/
int
qed_eth_rxq_start_ramrod(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr, u16 cqe_pbl_size);
/**
* @brief - Starts a Tx queue, where queue_cid is already prepared
*
* @param p_hwfn
* @param p_cid
* @param pbl_addr
* @param pbl_size
* @param p_pq_params - parameters for choosing the PQ for this Tx queue
*
* @return int
*/
int
qed_eth_txq_start_ramrod(struct qed_hwfn *p_hwfn,
struct qed_queue_cid *p_cid,
dma_addr_t pbl_addr, u16 pbl_size, u16 pq_id);
u8 qed_mcast_bin_from_mac(u8 *mac);
int qed_set_rxq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u16 coalesce, struct qed_queue_cid *p_cid);
int qed_set_txq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u16 coalesce, struct qed_queue_cid *p_cid);
int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_queue_cid *p_cid, u16 *p_hw_coal);
int qed_get_txq_coalesce(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
struct qed_queue_cid *p_cid, u16 *p_hw_coal);
#endif
