diff options
Diffstat (limited to 'include/net/mana/mana.h')
| -rw-r--r-- | include/net/mana/mana.h | 246 |
1 files changed, 237 insertions, 9 deletions
diff --git a/include/net/mana/mana.h b/include/net/mana/mana.h index e39b8676fe54..d7e089c6b694 100644 --- a/include/net/mana/mana.h +++ b/include/net/mana/mana.h @@ -5,6 +5,7 @@ #define _MANA_H #include <net/xdp.h> +#include <net/net_shaper.h> #include "gdma.h" #include "hw_channel.h" @@ -38,9 +39,21 @@ enum TRI_STATE { #define COMP_ENTRY_SIZE 64 -#define RX_BUFFERS_PER_QUEUE 512 +/* 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 8192 +#define DEF_RX_BUFFERS_PER_QUEUE 1024 +#define MIN_RX_BUFFERS_PER_QUEUE 128 -#define MAX_SEND_BUFFERS_PER_QUEUE 256 +/* 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 16384 +#define DEF_TX_BUFFERS_PER_QUEUE 256 +#define MIN_TX_BUFFERS_PER_QUEUE 128 #define EQ_SIZE (8 * MANA_PAGE_SIZE) @@ -52,6 +65,8 @@ enum TRI_STATE { #define MANA_STATS_RX_COUNT 5 #define MANA_STATS_TX_COUNT 11 +#define MANA_RX_FRAG_ALIGNMENT 64 + struct mana_stats_rx { u64 packets; u64 bytes; @@ -98,6 +113,8 @@ struct mana_txq { atomic_t pending_sends; + bool napi_initialized; + struct mana_stats_tx stats; }; @@ -275,6 +292,7 @@ struct mana_cq { /* NAPI data */ struct napi_struct napi; int work_done; + int work_done_since_doorbell; int budget; }; @@ -285,7 +303,7 @@ struct mana_recv_buf_oob { void *buf_va; bool from_pool; /* allocated from a page pool */ - /* SGL of the buffer going to be sent has part of the work request. */ + /* SGL of the buffer going to be sent as part of the work request. */ u32 num_sge; struct gdma_sge sgl[MAX_RX_WQE_SGL_ENTRIES]; @@ -312,6 +330,7 @@ struct mana_rxq { u32 datasize; u32 alloc_size; u32 headroom; + u32 frag_count; mana_handle_t rxobj; @@ -335,6 +354,7 @@ struct mana_rxq { int xdp_rc; /* XDP redirect return code */ struct page_pool *page_pool; + struct dentry *mana_rx_debugfs; /* MUST BE THE LAST MEMBER: * Each receive buffer has an associated mana_recv_buf_oob. @@ -348,11 +368,21 @@ struct mana_tx_qp { struct mana_cq tx_cq; mana_handle_t tx_object; + + struct dentry *mana_tx_debugfs; }; struct mana_ethtool_stats { u64 stop_queue; u64 wake_queue; + u64 tx_cqe_err; + u64 tx_cqe_unknown_type; + u64 tx_linear_pkt_cnt; + u64 rx_coalesced_err; + u64 rx_cqe_unknown_type; +}; + +struct mana_ethtool_hc_stats { u64 hc_rx_discards_no_wqe; u64 hc_rx_err_vport_disabled; u64 hc_rx_bytes; @@ -380,20 +410,86 @@ struct mana_ethtool_stats { u64 hc_tx_mcast_pkts; u64 hc_tx_mcast_bytes; u64 hc_tx_err_gdma; - u64 tx_cqe_err; - u64 tx_cqe_unknown_type; - u64 rx_coalesced_err; - u64 rx_cqe_unknown_type; +}; + +struct mana_ethtool_phy_stats { + /* Drop Counters */ + u64 rx_pkt_drop_phy; + u64 tx_pkt_drop_phy; + + /* Per TC traffic Counters */ + u64 rx_pkt_tc0_phy; + u64 tx_pkt_tc0_phy; + u64 rx_pkt_tc1_phy; + u64 tx_pkt_tc1_phy; + u64 rx_pkt_tc2_phy; + u64 tx_pkt_tc2_phy; + u64 rx_pkt_tc3_phy; + u64 tx_pkt_tc3_phy; + u64 rx_pkt_tc4_phy; + u64 tx_pkt_tc4_phy; + u64 rx_pkt_tc5_phy; + u64 tx_pkt_tc5_phy; + u64 rx_pkt_tc6_phy; + u64 tx_pkt_tc6_phy; + u64 rx_pkt_tc7_phy; + u64 tx_pkt_tc7_phy; + + u64 rx_byte_tc0_phy; + u64 tx_byte_tc0_phy; + u64 rx_byte_tc1_phy; + u64 tx_byte_tc1_phy; + u64 rx_byte_tc2_phy; + u64 tx_byte_tc2_phy; + u64 rx_byte_tc3_phy; + u64 tx_byte_tc3_phy; + u64 rx_byte_tc4_phy; + u64 tx_byte_tc4_phy; + u64 rx_byte_tc5_phy; + u64 tx_byte_tc5_phy; + u64 rx_byte_tc6_phy; + u64 tx_byte_tc6_phy; + u64 rx_byte_tc7_phy; + u64 tx_byte_tc7_phy; + + /* Per TC pause Counters */ + u64 rx_pause_tc0_phy; + u64 tx_pause_tc0_phy; + u64 rx_pause_tc1_phy; + u64 tx_pause_tc1_phy; + u64 rx_pause_tc2_phy; + u64 tx_pause_tc2_phy; + u64 rx_pause_tc3_phy; + u64 tx_pause_tc3_phy; + u64 rx_pause_tc4_phy; + u64 tx_pause_tc4_phy; + u64 rx_pause_tc5_phy; + u64 tx_pause_tc5_phy; + u64 rx_pause_tc6_phy; + u64 tx_pause_tc6_phy; + u64 rx_pause_tc7_phy; + u64 tx_pause_tc7_phy; }; struct mana_context { struct gdma_dev *gdma_dev; u16 num_ports; + u8 bm_hostmode; + struct mana_ethtool_hc_stats hc_stats; struct mana_eq *eqs; + struct dentry *mana_eqs_debugfs; + + /* Workqueue for querying hardware stats */ + struct delayed_work gf_stats_work; + bool hwc_timeout_occurred; struct net_device *ports[MAX_PORTS_IN_MANA_DEV]; + + /* Link state change work */ + struct work_struct link_change_work; + u32 link_event; }; struct mana_port_context { @@ -430,6 +526,7 @@ struct mana_port_context { u32 rxbpre_datasize; u32 rxbpre_alloc_size; u32 rxbpre_headroom; + u32 rxbpre_frag_count; struct bpf_prog *bpf_prog; @@ -437,6 +534,9 @@ struct mana_port_context { unsigned int max_queues; unsigned int num_queues; + unsigned int rx_queue_size; + unsigned int tx_queue_size; + mana_handle_t port_handle; mana_handle_t pf_filter_handle; @@ -444,12 +544,24 @@ struct mana_port_context { struct mutex vport_mutex; int vport_use_count; + /* Net shaper handle*/ + struct net_shaper_handle handle; + u16 port_idx; + /* Currently configured speed (mbps) */ + u32 speed; + /* Maximum speed supported by the SKU (mbps) */ + u32 max_speed; bool port_is_up; bool port_st_save; /* Saved port state */ struct mana_ethtool_stats eth_stats; + + struct mana_ethtool_phy_stats phy_stats; + + /* Debugfs */ + struct dentry *mana_port_debugfs; }; netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev); @@ -463,6 +575,9 @@ 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); +int mana_rdma_probe(struct gdma_dev *gd); +void mana_rdma_remove(struct gdma_dev *gd); + 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); @@ -471,9 +586,17 @@ u32 mana_run_xdp(struct net_device *ndev, struct mana_rxq *rxq, 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_query_gf_stats(struct mana_context *ac); +int mana_query_link_cfg(struct mana_port_context *apc); +int mana_set_bw_clamp(struct mana_port_context *apc, u32 speed, + int enable_clamping); +void mana_query_phy_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); +void mana_unmap_skb(struct sk_buff *skb, struct mana_port_context *apc); extern const struct ethtool_ops mana_ethtool_ops; +extern struct dentry *mana_debugfs_root; /* A CQ can be created not associated with any EQ */ #define GDMA_CQ_NO_EQ 0xffff @@ -495,6 +618,9 @@ enum mana_command_code { MANA_FENCE_RQ = 0x20006, MANA_CONFIG_VPORT_RX = 0x20007, MANA_QUERY_VPORT_CONFIG = 0x20008, + MANA_QUERY_LINK_CONFIG = 0x2000A, + MANA_SET_BW_CLAMP = 0x2000B, + MANA_QUERY_PHY_STAT = 0x2000c, /* Privileged commands for the PF mode */ MANA_REGISTER_FILTER = 0x28000, @@ -503,6 +629,35 @@ enum mana_command_code { MANA_DEREGISTER_HW_PORT = 0x28004, }; +/* Query Link Configuration*/ +struct mana_query_link_config_req { + struct gdma_req_hdr hdr; + mana_handle_t vport; +}; /* HW DATA */ + +struct mana_query_link_config_resp { + struct gdma_resp_hdr hdr; + u32 qos_speed_mbps; + u8 qos_unconfigured; + u8 reserved1[3]; + u32 link_speed_mbps; + u8 reserved2[4]; +}; /* HW DATA */ + +/* Set Bandwidth Clamp*/ +struct mana_set_bw_clamp_req { + struct gdma_req_hdr hdr; + mana_handle_t vport; + enum TRI_STATE enable_clamping; + u32 link_speed_mbps; +}; /* HW DATA */ + +struct mana_set_bw_clamp_resp { + struct gdma_resp_hdr hdr; + u8 qos_unconfigured; + u8 reserved[7]; +}; /* HW DATA */ + /* Query Device Configuration */ struct mana_query_device_cfg_req { struct gdma_req_hdr hdr; @@ -529,7 +684,8 @@ struct mana_query_device_cfg_resp { u64 pf_cap_flags4; u16 max_num_vports; - u16 reserved; + u8 bm_hostmode; /* response v3: Bare Metal Host Mode */ + u8 reserved; u32 max_num_eqs; /* response v2: */ @@ -656,6 +812,74 @@ struct mana_query_gf_stat_resp { u64 tx_err_gdma; }; /* HW DATA */ +/* Query phy stats */ +struct mana_query_phy_stat_req { + struct gdma_req_hdr hdr; + u64 req_stats; +}; /* HW DATA */ + +struct mana_query_phy_stat_resp { + struct gdma_resp_hdr hdr; + u64 reported_stats; + + /* Aggregate Drop Counters */ + u64 rx_pkt_drop_phy; + u64 tx_pkt_drop_phy; + + /* Per TC(Traffic class) traffic Counters */ + u64 rx_pkt_tc0_phy; + u64 tx_pkt_tc0_phy; + u64 rx_pkt_tc1_phy; + u64 tx_pkt_tc1_phy; + u64 rx_pkt_tc2_phy; + u64 tx_pkt_tc2_phy; + u64 rx_pkt_tc3_phy; + u64 tx_pkt_tc3_phy; + u64 rx_pkt_tc4_phy; + u64 tx_pkt_tc4_phy; + u64 rx_pkt_tc5_phy; + u64 tx_pkt_tc5_phy; + u64 rx_pkt_tc6_phy; + u64 tx_pkt_tc6_phy; + u64 rx_pkt_tc7_phy; + u64 tx_pkt_tc7_phy; + + u64 rx_byte_tc0_phy; + u64 tx_byte_tc0_phy; + u64 rx_byte_tc1_phy; + u64 tx_byte_tc1_phy; + u64 rx_byte_tc2_phy; + u64 tx_byte_tc2_phy; + u64 rx_byte_tc3_phy; + u64 tx_byte_tc3_phy; + u64 rx_byte_tc4_phy; + u64 tx_byte_tc4_phy; + u64 rx_byte_tc5_phy; + u64 tx_byte_tc5_phy; + u64 rx_byte_tc6_phy; + u64 tx_byte_tc6_phy; + u64 rx_byte_tc7_phy; + u64 tx_byte_tc7_phy; + + /* Per TC(Traffic Class) pause Counters */ + u64 rx_pause_tc0_phy; + u64 tx_pause_tc0_phy; + u64 rx_pause_tc1_phy; + u64 tx_pause_tc1_phy; + u64 rx_pause_tc2_phy; + u64 tx_pause_tc2_phy; + u64 rx_pause_tc3_phy; + u64 tx_pause_tc3_phy; + u64 rx_pause_tc4_phy; + u64 tx_pause_tc4_phy; + u64 rx_pause_tc5_phy; + u64 tx_pause_tc5_phy; + u64 rx_pause_tc6_phy; + u64 tx_pause_tc6_phy; + u64 rx_pause_tc7_phy; + u64 tx_pause_tc7_phy; +}; /* HW DATA */ + /* Configure vPort Rx Steering */ struct mana_cfg_rx_steer_req_v2 { struct gdma_req_hdr hdr; @@ -798,4 +1022,8 @@ void mana_destroy_wq_obj(struct mana_port_context *apc, u32 wq_type, 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(struct mana_context *ac, + u32 port_index, + netdevice_tracker *tracker); #endif /* _MANA_H */ |