X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fena%2Fena_ethdev.h;h=78718b759b5b821be7ddb409ea01afe656685386;hb=d31a89719024934cb834ca4ed7f76e8d178cd366;hp=1f320088ac2dfc741d1a05b8f0891f6452055250;hpb=5920d930837228649278ebe523503c94ac31d7f5;p=dpdk.git diff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h index 1f320088ac..78718b759b 100644 --- a/drivers/net/ena/ena_ethdev.h +++ b/drivers/net/ena/ena_ethdev.h @@ -30,6 +30,19 @@ #define ENA_WD_TIMEOUT_SEC 3 #define ENA_DEVICE_KALIVE_TIMEOUT (ENA_WD_TIMEOUT_SEC * rte_get_timer_hz()) +/* While processing submitted and completed descriptors (rx and tx path + * respectively) in a loop it is desired to: + * - perform batch submissions while populating sumbissmion queue + * - avoid blocking transmission of other packets during cleanup phase + * Hence the utilization ratio of 1/8 of a queue size or max value if the size + * of the ring is very big - like 8k Rx rings. + */ +#define ENA_REFILL_THRESH_DIVIDER 8 +#define ENA_REFILL_THRESH_PACKET 256 + +#define ENA_IDX_NEXT_MASKED(idx, mask) (((idx) + 1) & (mask)) +#define ENA_IDX_ADD_MASKED(idx, n, mask) (((idx) + (n)) & (mask)) + struct ena_adapter; enum ena_ring_type { @@ -44,6 +57,12 @@ struct ena_tx_buffer { struct ena_com_buf bufs[ENA_PKT_MAX_BUFS]; }; +/* Rx buffer holds only pointer to the mbuf - may be expanded in the future */ +struct ena_rx_buffer { + struct rte_mbuf *mbuf; + struct ena_com_buf ena_buf; +}; + struct ena_calc_queue_size_ctx { struct ena_com_dev_get_features_ctx *get_feat_ctx; struct ena_com_dev *ena_dev; @@ -81,6 +100,10 @@ struct ena_ring { enum ena_ring_type type; enum ena_admin_placement_policy_type tx_mem_queue_type; + + /* Indicate there are Tx packets pushed to the device and wait for db */ + bool pkts_without_db; + /* Holds the empty requests for TX/RX OOO completions */ union { uint16_t *empty_tx_reqs; @@ -89,10 +112,11 @@ struct ena_ring { union { struct ena_tx_buffer *tx_buffer_info; /* contex of tx packet */ - struct rte_mbuf **rx_buffer_info; /* contex of rx packet */ + struct ena_rx_buffer *rx_buffer_info; /* contex of rx packet */ }; struct rte_mbuf **rx_refill_buffer; unsigned int ring_size; /* number of tx/rx_buffer_info's entries */ + unsigned int size_mask; struct ena_com_io_cq *ena_com_io_cq; struct ena_com_io_sq *ena_com_io_sq; @@ -113,6 +137,8 @@ struct ena_ring { uint64_t offloads; u16 sgl_size; + bool disable_meta_caching; + union { struct ena_stats_rx rx_stats; struct ena_stats_tx tx_stats; @@ -134,13 +160,45 @@ struct ena_driver_stats { rte_atomic64_t ierrors; rte_atomic64_t oerrors; rte_atomic64_t rx_nombuf; - rte_atomic64_t rx_drops; + u64 rx_drops; }; struct ena_stats_dev { u64 wd_expired; u64 dev_start; u64 dev_stop; + /* + * Tx drops cannot be reported as the driver statistic, because DPDK + * rte_eth_stats structure isn't providing appropriate field for that. + * As a workaround it is being published as an extended statistic. + */ + u64 tx_drops; +}; + +struct ena_stats_eni { + /* + * The number of packets shaped due to inbound aggregate BW + * allowance being exceeded + */ + uint64_t bw_in_allowance_exceeded; + /* + * The number of packets shaped due to outbound aggregate BW + * allowance being exceeded + */ + uint64_t bw_out_allowance_exceeded; + /* The number of packets shaped due to PPS allowance being exceeded */ + uint64_t pps_allowance_exceeded; + /* + * The number of packets shaped due to connection tracking + * allowance being exceeded and leading to failure in establishment + * of new connections + */ + uint64_t conntrack_allowance_exceeded; + /* + * The number of packets shaped due to linklocal packet rate + * allowance being exceeded + */ + uint64_t linklocal_allowance_exceeded; }; struct ena_offloads { @@ -152,9 +210,7 @@ struct ena_offloads { /* board specific private data structure */ struct ena_adapter { /* OS defined structs */ - struct rte_pci_device *pdev; - struct rte_eth_dev_data *rte_eth_dev_data; - struct rte_eth_dev *rte_dev; + struct rte_eth_dev_data *edev_data; struct ena_com_dev ena_dev __rte_cache_aligned; @@ -172,6 +228,13 @@ struct ena_adapter { u16 max_mtu; struct ena_offloads offloads; + /* The admin queue isn't protected by the lock and is used to + * retrieve statistics from the device. As there is no guarantee that + * application won't try to get statistics from multiple threads, it is + * safer to lock the queue to avoid admin queue failure. + */ + rte_spinlock_t admin_lock; + int id_number; char name[ENA_NAME_MAX_LEN]; u8 mac_addr[RTE_ETHER_ADDR_LEN]; @@ -196,10 +259,13 @@ struct ena_adapter { uint64_t keep_alive_timeout; struct ena_stats_dev dev_stats; + struct ena_stats_eni eni_stats; bool trigger_reset; bool wd_state; + + bool use_large_llq_hdr; }; #endif /* _ENA_ETHDEV_H_ */