diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_l2.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_l2.h | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.h b/drivers/net/ethernet/qlogic/qed/qed_l2.h new file mode 100644 index 000000000..2d2f82c78 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_l2.h @@ -0,0 +1,454 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* QLogic qed NIC Driver + * Copyright (c) 2015-2017 QLogic Corporation + * Copyright (c) 2019-2020 Marvell International Ltd. + */ + +#ifndef _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]; +}; + +/** + * qed_eth_rx_queue_stop(): This ramrod closes an Rx queue. + * + * @p_hwfn: HW device data. + * @p_rxq: Handler of queue to close + * @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. + * @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); + +/** + * qed_eth_tx_queue_stop(): Closes a Tx queue. + * + * @p_hwfn: HW device data. + * @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); + +/** + * 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. + * + * @p_hwfn: HW device data. + * @opaque_fid: Opaque FID + * @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); + +/** + * qed_sp_eth_rx_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. + * @p_hwfn: HW device data. + * @pp_rxq_handlers: An array of queue handlers to be updated. + * @num_rxqs: number of queues to update. + * @complete_cqe_flg: Post completion to the CQE Ring if set. + * @complete_event_flg: Post completion to the Event Ring if set. + * @comp_mode: Comp mode. + * @p_comp_data: Pointer Comp data. + * + * Return: Int. + * + * Note At the moment - only used by non-linux VFs. + */ + +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); + +/** + * qed_get_vport_stats(): Fills provided statistics + * struct with statistics. + * + * @cdev: Qed dev pointer. + * @stats: Points to struct that will be filled with statistics. + * + * Return: Void. + */ +void qed_get_vport_stats(struct qed_dev *cdev, struct qed_eth_stats *stats); + +/** + * qed_get_vport_stats_context(): Fills provided statistics + * struct with statistics. + * + * @cdev: Qed dev pointer. + * @stats: Points to struct that will be filled with statistics. + * @is_atomic: Hint from the caller - if the func can sleep or not. + * + * Context: The function should not sleep in case is_atomic == true. + * Return: Void. + */ +void qed_get_vport_stats_context(struct qed_dev *cdev, + struct qed_eth_stats *stats, + bool is_atomic); + +void qed_reset_vport_stats(struct qed_dev *cdev); + +/** + * qed_arfs_mode_configure(): Enable or disable rfs mode. + * It must accept at least one of tcp or udp true + * and at least one of ipv4 or ipv6 true to enable + * rfs mode. + * + * @p_hwfn: HW device data. + * @p_ptt: P_ptt. + * @p_cfg_params: arfs mode configuration parameters. + * + * Return. Void. + */ +void qed_arfs_mode_configure(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct qed_arfs_config_params *p_cfg_params); + +/** + * qed_configure_rfs_ntuple_filter(): This ramrod should be used to add + * or remove arfs hw filter + * + * @p_hwfn: HW device data. + * @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. + * @p_params: Pointer to params. + * + * Return: Void. + */ +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); + +/** + * qed_eth_rxq_start_ramrod(): Starts an Rx queue, when queue_cid is + * already prepared + * + * @p_hwfn: HW device data. + * @p_cid: Pointer CID. + * @bd_max_bytes: Max bytes. + * @bd_chain_phys_addr: Chain physcial address. + * @cqe_pbl_addr: PBL address. + * @cqe_pbl_size: 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); + +/** + * qed_eth_txq_start_ramrod(): Starts a Tx queue, where queue_cid is + * already prepared + * + * @p_hwfn: HW device data. + * @p_cid: Pointer CID. + * @pbl_addr: PBL address. + * @pbl_size: PBL size. + * @pq_id: 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 |