diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qede/qede.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qede/qede.h | 170 |
1 files changed, 111 insertions, 59 deletions
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h index 974689a13337..c79dc78746fc 100644 --- a/drivers/net/ethernet/qlogic/qede/qede.h +++ b/drivers/net/ethernet/qlogic/qede/qede.h @@ -16,6 +16,7 @@ #include <linux/bitmap.h> #include <linux/kernel.h> #include <linux/mutex.h> +#include <linux/bpf.h> #include <linux/io.h> #include <linux/qed/common_hsi.h> #include <linux/qed/eth_common.h> @@ -127,10 +128,9 @@ struct qede_dev { const struct qed_eth_ops *ops; - struct qed_dev_eth_info dev_info; + struct qed_dev_eth_info dev_info; #define QEDE_MAX_RSS_CNT(edev) ((edev)->dev_info.num_queues) -#define QEDE_MAX_TSS_CNT(edev) ((edev)->dev_info.num_queues * \ - (edev)->dev_info.num_tc) +#define QEDE_MAX_TSS_CNT(edev) ((edev)->dev_info.num_queues) struct qede_fastpath *fp_array; u8 req_num_tx; @@ -139,17 +139,9 @@ struct qede_dev { u8 fp_num_rx; u16 req_queues; u16 num_queues; - u8 num_tc; #define QEDE_QUEUE_CNT(edev) ((edev)->num_queues) #define QEDE_RSS_COUNT(edev) ((edev)->num_queues - (edev)->fp_num_tx) -#define QEDE_TSS_COUNT(edev) (((edev)->num_queues - (edev)->fp_num_rx) * \ - (edev)->num_tc) -#define QEDE_TX_IDX(edev, txqidx) ((edev)->fp_num_rx + (txqidx) % \ - QEDE_TSS_COUNT(edev)) -#define QEDE_TC_IDX(edev, txqidx) ((txqidx) / QEDE_TSS_COUNT(edev)) -#define QEDE_TX_QUEUE(edev, txqidx) \ - (&(edev)->fp_array[QEDE_TX_IDX((edev), (txqidx))].txqs[QEDE_TC_IDX(\ - (edev), (txqidx))]) +#define QEDE_TSS_COUNT(edev) ((edev)->num_queues - (edev)->fp_num_rx) struct qed_int_info int_info; unsigned char primary_mac[ETH_ALEN]; @@ -193,7 +185,11 @@ struct qede_dev { u16 vxlan_dst_port; u16 geneve_dst_port; + bool wol_enabled; + struct qede_rdma_dev rdma_info; + + struct bpf_prog *xdp_prog; }; enum QEDE_STATE { @@ -223,39 +219,67 @@ enum qede_agg_state { }; struct qede_agg_info { - struct sw_rx_data replace_buf; - dma_addr_t replace_buf_mapping; - struct sw_rx_data start_buf; - dma_addr_t start_buf_mapping; - struct eth_fast_path_rx_tpa_start_cqe start_cqe; - enum qede_agg_state agg_state; + /* rx_buf is a data buffer that can be placed / consumed from rx bd + * chain. It has two purposes: We will preallocate the data buffer + * for each aggregation when we open the interface and will place this + * buffer on the rx-bd-ring when we receive TPA_START. We don't want + * to be in a state where allocation fails, as we can't reuse the + * consumer buffer in the rx-chain since FW may still be writing to it + * (since header needs to be modified for TPA). + * The second purpose is to keep a pointer to the bd buffer during + * aggregation. + */ + struct sw_rx_data buffer; + dma_addr_t buffer_mapping; + struct sk_buff *skb; - int frag_id; + + /* We need some structs from the start cookie until termination */ u16 vlan_tag; + u16 start_cqe_bd_len; + u8 start_cqe_placement_offset; + + u8 state; + u8 frag_id; + + u8 tunnel_type; }; struct qede_rx_queue { - __le16 *hw_cons_ptr; - struct sw_rx_data *sw_rx_ring; - u16 sw_rx_cons; - u16 sw_rx_prod; - struct qed_chain rx_bd_ring; - struct qed_chain rx_comp_ring; - void __iomem *hw_rxq_prod_addr; + __le16 *hw_cons_ptr; + void __iomem *hw_rxq_prod_addr; + + /* Required for the allocation of replacement buffers */ + struct device *dev; + + struct bpf_prog *xdp_prog; + + u16 sw_rx_cons; + u16 sw_rx_prod; + + u16 num_rx_buffers; /* Slowpath */ + u8 data_direction; + u8 rxq_id; + + u32 rx_buf_size; + u32 rx_buf_seg_size; + + u64 rcv_pkts; + + struct sw_rx_data *sw_rx_ring; + struct qed_chain rx_bd_ring; + struct qed_chain rx_comp_ring ____cacheline_aligned; /* GRO */ - struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM]; + struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM]; - int rx_buf_size; - unsigned int rx_buf_seg_size; + u64 rx_hw_errors; + u64 rx_alloc_errors; + u64 rx_ip_frags; - u16 num_rx_buffers; - u16 rxq_id; + u64 xdp_no_pass; - u64 rcv_pkts; - u64 rx_hw_errors; - u64 rx_alloc_errors; - u64 rx_ip_frags; + void *handle; }; union db_prod { @@ -271,20 +295,39 @@ struct sw_tx_bd { }; struct qede_tx_queue { - int index; /* Queue index */ - __le16 *hw_cons_ptr; - struct sw_tx_bd *sw_tx_ring; - u16 sw_tx_cons; - u16 sw_tx_prod; - struct qed_chain tx_pbl; - void __iomem *doorbell_addr; - union db_prod tx_db; - - u16 num_tx_buffers; - u64 xmit_pkts; - u64 stopped_cnt; - - bool is_legacy; + u8 is_xdp; + bool is_legacy; + u16 sw_tx_cons; + u16 sw_tx_prod; + u16 num_tx_buffers; /* Slowpath only */ + + u64 xmit_pkts; + u64 stopped_cnt; + + __le16 *hw_cons_ptr; + + /* Needed for the mapping of packets */ + struct device *dev; + + void __iomem *doorbell_addr; + union db_prod tx_db; + int index; /* Slowpath only */ +#define QEDE_TXQ_XDP_TO_IDX(edev, txq) ((txq)->index - \ + QEDE_MAX_TSS_CNT(edev)) +#define QEDE_TXQ_IDX_TO_XDP(edev, idx) ((idx) + QEDE_MAX_TSS_CNT(edev)) + + /* Regular Tx requires skb + metadata for release purpose, + * while XDP requires only the pages themselves. + */ + union { + struct sw_tx_bd *skbs; + struct page **pages; + } sw_tx_ring; + + struct qed_chain tx_pbl; + + /* Slowpath; Should be kept in end [unless missing padding] */ + void *handle; }; #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr.hi), \ @@ -301,13 +344,16 @@ struct qede_fastpath { struct qede_dev *edev; #define QEDE_FASTPATH_TX BIT(0) #define QEDE_FASTPATH_RX BIT(1) +#define QEDE_FASTPATH_XDP BIT(2) #define QEDE_FASTPATH_COMBINED (QEDE_FASTPATH_TX | QEDE_FASTPATH_RX) u8 type; u8 id; + u8 xdp_xmit; struct napi_struct napi; struct qed_sb_info *sb_info; struct qede_rx_queue *rxq; - struct qede_tx_queue *txqs; + struct qede_tx_queue *txq; + struct qede_tx_queue *xdp_tx; #define VEC_NAME_SIZE (sizeof(((struct net_device *)0)->name) + 8) char name[VEC_NAME_SIZE]; @@ -320,6 +366,7 @@ struct qede_fastpath { #define XMIT_L4_CSUM BIT(0) #define XMIT_LSO BIT(1) #define XMIT_ENC BIT(2) +#define XMIT_ENC_GSO_L4_CSUM BIT(3) #define QEDE_CSUM_ERROR BIT(0) #define QEDE_CSUM_UNNECESSARY BIT(1) @@ -329,8 +376,13 @@ struct qede_fastpath { #define QEDE_SP_VXLAN_PORT_CONFIG 2 #define QEDE_SP_GENEVE_PORT_CONFIG 3 -union qede_reload_args { - u16 mtu; +struct qede_reload_args { + void (*func)(struct qede_dev *edev, struct qede_reload_args *args); + union { + netdev_features_t features; + struct bpf_prog *new_prog; + u16 mtu; + } u; }; #ifdef CONFIG_DCB @@ -339,15 +391,14 @@ void qede_set_dcbnl_ops(struct net_device *ndev); void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level); void qede_set_ethtool_ops(struct net_device *netdev); void qede_reload(struct qede_dev *edev, - void (*func)(struct qede_dev *edev, - union qede_reload_args *args), - union qede_reload_args *args); + struct qede_reload_args *args, bool is_locked); int qede_change_mtu(struct net_device *dev, int new_mtu); void qede_fill_by_demand_stats(struct qede_dev *edev); +void __qede_lock(struct qede_dev *edev); +void __qede_unlock(struct qede_dev *edev); bool qede_has_rx_work(struct qede_rx_queue *rxq); int qede_txq_has_work(struct qede_tx_queue *txq); -void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, struct qede_dev *edev, - u8 count); +void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count); void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq); #define RX_RING_SIZE_POW 13 @@ -362,8 +413,9 @@ void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq); #define NUM_TX_BDS_MIN 128 #define NUM_TX_BDS_DEF NUM_TX_BDS_MAX -#define QEDE_MIN_PKT_LEN 64 -#define QEDE_RX_HDR_SIZE 256 +#define QEDE_MIN_PKT_LEN 64 +#define QEDE_RX_HDR_SIZE 256 +#define QEDE_MAX_JUMBO_PACKET_SIZE 9600 #define for_each_queue(i) for (i = 0; i < edev->num_queues; i++) #endif /* _QEDE_H_ */ |