/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* Copyright (c) 2021, Microsoft Corporation. */ #ifndef _MANA_H #define _MANA_H #include <net/xdp.h> #include "gdma.h" #include "hw_channel.h" /* Microsoft Azure Network Adapter (MANA)'s definitions * * Structures labeled with "HW DATA" are exchanged with the hardware. All of * them are naturally aligned and hence don't need __packed. */ /* MANA protocol version */ #define MANA_MAJOR_VERSION … #define MANA_MINOR_VERSION … #define MANA_MICRO_VERSION … mana_handle_t; #define INVALID_MANA_HANDLE … enum TRI_STATE { … }; /* Number of entries for hardware indirection table must be in power of 2 */ #define MANA_INDIRECT_TABLE_MAX_SIZE … #define MANA_INDIRECT_TABLE_DEF_SIZE … /* The Toeplitz hash key's length in bytes: should be multiple of 8 */ #define MANA_HASH_KEY_SIZE … #define COMP_ENTRY_SIZE … /* This Max value for RX buffers is derived from __alloc_page()'s max page * allocation calculation. It allows maximum 2^(MAX_ORDER -1) pages. RX buffer * size beyond this value gets rejected by __alloc_page() call. */ #define MAX_RX_BUFFERS_PER_QUEUE … #define DEF_RX_BUFFERS_PER_QUEUE … #define MIN_RX_BUFFERS_PER_QUEUE … /* This max value for TX buffers is derived as the maximum allocatable * pages supported on host per guest through testing. TX buffer size beyond * this value is rejected by the hardware. */ #define MAX_TX_BUFFERS_PER_QUEUE … #define DEF_TX_BUFFERS_PER_QUEUE … #define MIN_TX_BUFFERS_PER_QUEUE … #define EQ_SIZE … #define LOG2_EQ_THROTTLE … #define MAX_PORTS_IN_MANA_DEV … /* Update this count whenever the respective structures are changed */ #define MANA_STATS_RX_COUNT … #define MANA_STATS_TX_COUNT … struct mana_stats_rx { … }; struct mana_stats_tx { … }; struct mana_txq { … }; /* skb data and frags dma mappings */ struct mana_skb_head { … }; #define MANA_HEADROOM … enum mana_tx_pkt_format { … }; struct mana_tx_short_oob { … }; /* HW DATA */ struct mana_tx_long_oob { … }; /* HW DATA */ struct mana_tx_oob { … }; /* HW DATA */ enum mana_cq_type { … }; enum mana_cqe_type { … }; #define MANA_CQE_COMPLETION … struct mana_cqe_header { … }; /* HW DATA */ /* NDIS HASH Types */ #define NDIS_HASH_IPV4 … #define NDIS_HASH_TCP_IPV4 … #define NDIS_HASH_UDP_IPV4 … #define NDIS_HASH_IPV6 … #define NDIS_HASH_TCP_IPV6 … #define NDIS_HASH_UDP_IPV6 … #define NDIS_HASH_IPV6_EX … #define NDIS_HASH_TCP_IPV6_EX … #define NDIS_HASH_UDP_IPV6_EX … #define MANA_HASH_L3 … #define MANA_HASH_L4 … struct mana_rxcomp_perpkt_info { … }; /* HW DATA */ #define MANA_RXCOMP_OOB_NUM_PPI … /* Receive completion OOB */ struct mana_rxcomp_oob { … }; /* HW DATA */ struct mana_tx_comp_oob { … }; /* HW DATA */ struct mana_rxq; #define CQE_POLLING_BUFFER … struct mana_cq { … }; struct mana_recv_buf_oob { … }; #define MANA_RXBUF_PAD … #define MANA_XDP_MTU_MAX … struct mana_rxq { … }; struct mana_tx_qp { … }; struct mana_ethtool_stats { … }; struct mana_context { … }; struct mana_port_context { … }; netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev); int mana_config_rss(struct mana_port_context *ac, enum TRI_STATE rx, bool update_hash, bool update_tab); int mana_alloc_queues(struct net_device *ndev); int mana_attach(struct net_device *ndev); int mana_detach(struct net_device *ndev, bool from_close); int mana_probe(struct gdma_dev *gd, bool resuming); void mana_remove(struct gdma_dev *gd, bool suspending); void mana_xdp_tx(struct sk_buff *skb, struct net_device *ndev); int mana_xdp_xmit(struct net_device *ndev, int n, struct xdp_frame **frames, u32 flags); u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq, struct xdp_buff *xdp, void *buf_va, uint pkt_len); struct bpf_prog *mana_xdp_get(struct mana_port_context *apc); void mana_chn_setxdp(struct mana_port_context *apc, struct bpf_prog *prog); int mana_bpf(struct net_device *ndev, struct netdev_bpf *bpf); void mana_query_gf_stats(struct mana_port_context *apc); int mana_pre_alloc_rxbufs(struct mana_port_context *apc, int mtu, int num_queues); void mana_pre_dealloc_rxbufs(struct mana_port_context *apc); extern const struct ethtool_ops mana_ethtool_ops; /* A CQ can be created not associated with any EQ */ #define GDMA_CQ_NO_EQ … struct mana_obj_spec { … }; enum mana_command_code { … }; /* Query Device Configuration */ struct mana_query_device_cfg_req { … }; /* HW DATA */ struct mana_query_device_cfg_resp { … }; /* HW DATA */ /* Query vPort Configuration */ struct mana_query_vport_cfg_req { … }; /* HW DATA */ struct mana_query_vport_cfg_resp { … }; /* HW DATA */ /* Configure vPort */ struct mana_config_vport_req { … }; /* HW DATA */ struct mana_config_vport_resp { … }; /* HW DATA */ /* Create WQ Object */ struct mana_create_wqobj_req { … }; /* HW DATA */ struct mana_create_wqobj_resp { … }; /* HW DATA */ /* Destroy WQ Object */ struct mana_destroy_wqobj_req { … }; /* HW DATA */ struct mana_destroy_wqobj_resp { … }; /* HW DATA */ /* Fence RQ */ struct mana_fence_rq_req { … }; /* HW DATA */ struct mana_fence_rq_resp { … }; /* HW DATA */ /* Query stats RQ */ struct mana_query_gf_stat_req { … }; /* HW DATA */ struct mana_query_gf_stat_resp { … }; /* HW DATA */ /* Configure vPort Rx Steering */ struct mana_cfg_rx_steer_req_v2 { … }; /* HW DATA */ struct mana_cfg_rx_steer_resp { … }; /* HW DATA */ /* Register HW vPort */ struct mana_register_hw_vport_req { … }; /* HW DATA */ struct mana_register_hw_vport_resp { … }; /* HW DATA */ /* Deregister HW vPort */ struct mana_deregister_hw_vport_req { … }; /* HW DATA */ struct mana_deregister_hw_vport_resp { … }; /* HW DATA */ /* Register filter */ struct mana_register_filter_req { … }; /* HW DATA */ struct mana_register_filter_resp { … }; /* HW DATA */ /* Deregister filter */ struct mana_deregister_filter_req { … }; /* HW DATA */ struct mana_deregister_filter_resp { … }; /* HW DATA */ /* Requested GF stats Flags */ /* Rx discards/Errors */ #define STATISTICS_FLAGS_RX_DISCARDS_NO_WQE … #define STATISTICS_FLAGS_RX_ERRORS_VPORT_DISABLED … /* Rx bytes/pkts */ #define STATISTICS_FLAGS_HC_RX_BYTES … #define STATISTICS_FLAGS_HC_RX_UCAST_PACKETS … #define STATISTICS_FLAGS_HC_RX_UCAST_BYTES … #define STATISTICS_FLAGS_HC_RX_MCAST_PACKETS … #define STATISTICS_FLAGS_HC_RX_MCAST_BYTES … #define STATISTICS_FLAGS_HC_RX_BCAST_PACKETS … #define STATISTICS_FLAGS_HC_RX_BCAST_BYTES … /* Tx errors */ #define STATISTICS_FLAGS_TX_ERRORS_GF_DISABLED … #define STATISTICS_FLAGS_TX_ERRORS_VPORT_DISABLED … #define STATISTICS_FLAGS_TX_ERRORS_INVAL_VPORT_OFFSET_PACKETS … #define STATISTICS_FLAGS_TX_ERRORS_VLAN_ENFORCEMENT … #define STATISTICS_FLAGS_TX_ERRORS_ETH_TYPE_ENFORCEMENT … #define STATISTICS_FLAGS_TX_ERRORS_SA_ENFORCEMENT … #define STATISTICS_FLAGS_TX_ERRORS_SQPDID_ENFORCEMENT … #define STATISTICS_FLAGS_TX_ERRORS_CQPDID_ENFORCEMENT … #define STATISTICS_FLAGS_TX_ERRORS_MTU_VIOLATION … #define STATISTICS_FLAGS_TX_ERRORS_INVALID_OOB … /* Tx bytes/pkts */ #define STATISTICS_FLAGS_HC_TX_BYTES … #define STATISTICS_FLAGS_HC_TX_UCAST_PACKETS … #define STATISTICS_FLAGS_HC_TX_UCAST_BYTES … #define STATISTICS_FLAGS_HC_TX_MCAST_PACKETS … #define STATISTICS_FLAGS_HC_TX_MCAST_BYTES … #define STATISTICS_FLAGS_HC_TX_BCAST_PACKETS … #define STATISTICS_FLAGS_HC_TX_BCAST_BYTES … /* Tx error */ #define STATISTICS_FLAGS_TX_ERRORS_GDMA_ERROR … #define MANA_MAX_NUM_QUEUES … #define MANA_SHORT_VPORT_OFFSET_MAX … struct mana_tx_package { … }; int mana_create_wq_obj(struct mana_port_context *apc, mana_handle_t vport, u32 wq_type, struct mana_obj_spec *wq_spec, struct mana_obj_spec *cq_spec, mana_handle_t *wq_obj); void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type, mana_handle_t wq_obj); int mana_cfg_vport(struct mana_port_context *apc, u32 protection_dom_id, u32 doorbell_pg_id); void mana_uncfg_vport(struct mana_port_context *apc); struct net_device *mana_get_primary_netdev_rcu(struct mana_context *ac, u32 port_index); #endif /* _MANA_H */
Codebase Browser
linux