Retrieve burst mode options according to the selected Rx/Tx burst function.
Signed-off-by: Sunil Kumar Kori <sk...@marvell.com> --- Below implementation is based on following patchset http://patches.dpdk.org/patch/59907/ drivers/net/octeontx2/otx2_ethdev.c | 2 ++ drivers/net/octeontx2/otx2_ethdev.h | 4 +++ drivers/net/octeontx2/otx2_ethdev_ops.c | 45 +++++++++++++++++++++++++ 3 files changed, 51 insertions(+) diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c index b84128fef..558ad92f1 100644 --- a/drivers/net/octeontx2/otx2_ethdev.c +++ b/drivers/net/octeontx2/otx2_ethdev.c @@ -1643,6 +1643,8 @@ static const struct eth_dev_ops otx2_eth_dev_ops = { .xstats_get_names_by_id = otx2_nix_xstats_get_names_by_id, .rxq_info_get = otx2_nix_rxq_info_get, .txq_info_get = otx2_nix_txq_info_get, + .rx_burst_mode_get = otx2_rx_burst_mode_get, + .tx_burst_mode_get = otx2_tx_burst_mode_get, .rx_queue_count = otx2_nix_rx_queue_count, .rx_descriptor_done = otx2_nix_rx_descriptor_done, .rx_descriptor_status = otx2_nix_rx_descriptor_status, diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h index 7b15d6bc8..c1de1522b 100644 --- a/drivers/net/octeontx2/otx2_ethdev.h +++ b/drivers/net/octeontx2/otx2_ethdev.h @@ -373,6 +373,10 @@ void otx2_nix_rxq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id, struct rte_eth_rxq_info *qinfo); void otx2_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id, struct rte_eth_txq_info *qinfo); +int otx2_rx_burst_mode_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_burst_mode *mode); +int otx2_tx_burst_mode_get(struct rte_eth_dev *dev, uint16_t queue_id, + struct rte_eth_burst_mode *mode); uint32_t otx2_nix_rx_queue_count(struct rte_eth_dev *eth_dev, uint16_t qidx); int otx2_nix_tx_done_cleanup(void *txq, uint32_t free_cnt); int otx2_nix_rx_descriptor_done(void *rxq, uint16_t offset); diff --git a/drivers/net/octeontx2/otx2_ethdev_ops.c b/drivers/net/octeontx2/otx2_ethdev_ops.c index 7c6532b6f..530ded7fe 100644 --- a/drivers/net/octeontx2/otx2_ethdev_ops.c +++ b/drivers/net/octeontx2/otx2_ethdev_ops.c @@ -2,6 +2,7 @@ * Copyright(C) 2019 Marvell International Ltd. */ +#include <rte_ethdev.h> #include <rte_mbuf_pool_ops.h> #include "otx2_ethdev.h" @@ -213,6 +214,50 @@ otx2_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t queue_id, qinfo->conf.tx_deferred_start = 0; } +int +otx2_rx_burst_mode_get(struct rte_eth_dev *eth_dev, + __rte_unused uint16_t queue_id, + struct rte_eth_burst_mode *mode) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + uint64_t options; + + if (dev->scalar_ena || dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP) + options = RTE_ETH_BURST_SCALAR; + else + options = RTE_ETH_BURST_VECTOR | RTE_ETH_BURST_NEON; + + if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER) + options = RTE_ETH_BURST_SCALAR | RTE_ETH_BURST_SCATTERED; + + mode->options = options; + + return 0; +} + +int +otx2_tx_burst_mode_get(struct rte_eth_dev *eth_dev, + __rte_unused uint16_t queue_id, + struct rte_eth_burst_mode *mode) +{ + struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev); + uint64_t options; + + if (dev->scalar_ena || + (dev->tx_offload_flags & + (NIX_TX_OFFLOAD_VLAN_QINQ_F | NIX_TX_OFFLOAD_TSTAMP_F))) + options = RTE_ETH_BURST_SCALAR; + else + options = RTE_ETH_BURST_VECTOR | RTE_ETH_BURST_NEON; + + if (dev->tx_offloads & DEV_TX_OFFLOAD_MULTI_SEGS) + options = RTE_ETH_BURST_SCALAR | RTE_ETH_BURST_SCATTERED; + + mode->options = options; + + return 0; +} + static void nix_rx_head_tail_get(struct otx2_eth_dev *dev, uint32_t *head, uint32_t *tail, uint16_t queue_idx) -- 2.17.2
