[dpdk-dev] [PATCH v2 04/17] net/txgbe: get VF device information
From: Jiawen Wu <jiawenwu@trustnetic.com>
Date: 2021-02-05 03:34:47
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add information get operation for VF device. RX and TX offload capabilities are same as the PF device. Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> --- doc/guides/nics/features/txgbe_vf.ini | 7 +++ drivers/net/txgbe/txgbe_ethdev_vf.c | 70 +++++++++++++++++++++++++++ 2 files changed, 77 insertions(+)
diff --git a/doc/guides/nics/features/txgbe_vf.ini b/doc/guides/nics/features/txgbe_vf.ini
index 5035c5eea..777ba9183 100644
--- a/doc/guides/nics/features/txgbe_vf.ini
+++ b/doc/guides/nics/features/txgbe_vf.ini@@ -4,6 +4,13 @@ ; Refer to default.ini for the full list of available PMD features. ; [Features] +CRC offload = P +VLAN offload = P +QinQ offload = P +L3 checksum offload = P +L4 checksum offload = P +Inner L3 checksum = P +Inner L4 checksum = P Multiprocess aware = Y Linux = Y ARMv8 = Y
diff --git a/drivers/net/txgbe/txgbe_ethdev_vf.c b/drivers/net/txgbe/txgbe_ethdev_vf.c
index f9b30b116..1db944c7b 100644
--- a/drivers/net/txgbe/txgbe_ethdev_vf.c
+++ b/drivers/net/txgbe/txgbe_ethdev_vf.c@@ -15,6 +15,8 @@ #include "txgbe_ethdev.h" #include "txgbe_rxtx.h" +static int txgbevf_dev_info_get(struct rte_eth_dev *dev, + struct rte_eth_dev_info *dev_info); static int txgbevf_dev_close(struct rte_eth_dev *dev); static void txgbevf_intr_disable(struct rte_eth_dev *dev); static void txgbevf_intr_enable(struct rte_eth_dev *dev);
@@ -29,6 +31,20 @@ static const struct rte_pci_id pci_id_txgbevf_map[] = { { .vendor_id = 0, /* sentinel */ }, }; +static const struct rte_eth_desc_lim rx_desc_lim = { + .nb_max = TXGBE_RING_DESC_MAX, + .nb_min = TXGBE_RING_DESC_MIN, + .nb_align = TXGBE_RXD_ALIGN, +}; + +static const struct rte_eth_desc_lim tx_desc_lim = { + .nb_max = TXGBE_RING_DESC_MAX, + .nb_min = TXGBE_RING_DESC_MIN, + .nb_align = TXGBE_TXD_ALIGN, + .nb_seg_max = TXGBE_TX_MAX_SEG, + .nb_mtu_seg_max = TXGBE_TX_MAX_SEG, +}; + static const struct eth_dev_ops txgbevf_eth_dev_ops; /*
@@ -246,6 +262,57 @@ static struct rte_pci_driver rte_txgbevf_pmd = { .remove = eth_txgbevf_pci_remove, }; +static int +txgbevf_dev_info_get(struct rte_eth_dev *dev, + struct rte_eth_dev_info *dev_info) +{ + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + struct txgbe_hw *hw = TXGBE_DEV_HW(dev); + + dev_info->max_rx_queues = (uint16_t)hw->mac.max_rx_queues; + dev_info->max_tx_queues = (uint16_t)hw->mac.max_tx_queues; + dev_info->min_rx_bufsize = 1024; + dev_info->max_rx_pktlen = TXGBE_FRAME_SIZE_MAX; + dev_info->max_mac_addrs = hw->mac.num_rar_entries; + dev_info->max_hash_mac_addrs = TXGBE_VMDQ_NUM_UC_MAC; + dev_info->max_vfs = pci_dev->max_vfs; + dev_info->max_vmdq_pools = ETH_64_POOLS; + dev_info->rx_queue_offload_capa = txgbe_get_rx_queue_offloads(dev); + dev_info->rx_offload_capa = (txgbe_get_rx_port_offloads(dev) | + dev_info->rx_queue_offload_capa); + dev_info->tx_queue_offload_capa = txgbe_get_tx_queue_offloads(dev); + dev_info->tx_offload_capa = txgbe_get_tx_port_offloads(dev); + dev_info->hash_key_size = TXGBE_HKEY_MAX_INDEX * sizeof(uint32_t); + dev_info->reta_size = ETH_RSS_RETA_SIZE_128; + dev_info->flow_type_rss_offloads = TXGBE_RSS_OFFLOAD_ALL; + + dev_info->default_rxconf = (struct rte_eth_rxconf) { + .rx_thresh = { + .pthresh = TXGBE_DEFAULT_RX_PTHRESH, + .hthresh = TXGBE_DEFAULT_RX_HTHRESH, + .wthresh = TXGBE_DEFAULT_RX_WTHRESH, + }, + .rx_free_thresh = TXGBE_DEFAULT_RX_FREE_THRESH, + .rx_drop_en = 0, + .offloads = 0, + }; + + dev_info->default_txconf = (struct rte_eth_txconf) { + .tx_thresh = { + .pthresh = TXGBE_DEFAULT_TX_PTHRESH, + .hthresh = TXGBE_DEFAULT_TX_HTHRESH, + .wthresh = TXGBE_DEFAULT_TX_WTHRESH, + }, + .tx_free_thresh = TXGBE_DEFAULT_TX_FREE_THRESH, + .offloads = 0, + }; + + dev_info->rx_desc_lim = rx_desc_lim; + dev_info->tx_desc_lim = tx_desc_lim; + + return 0; +} + /* * Virtual Function operations */
@@ -408,8 +475,11 @@ txgbevf_set_default_mac_addr(struct rte_eth_dev *dev, * operation have been implemented */ static const struct eth_dev_ops txgbevf_eth_dev_ops = { + .dev_infos_get = txgbevf_dev_info_get, .mac_addr_add = txgbevf_add_mac_addr, .mac_addr_remove = txgbevf_remove_mac_addr, + .rxq_info_get = txgbe_rxq_info_get, + .txq_info_get = txgbe_txq_info_get, .mac_addr_set = txgbevf_set_default_mac_addr, };
--
2.27.0