[PATCH v2 08/10] net/gve: add support to get dev info and configure dev

[Junfeng Guo]

Add dev_ops dev_infos_get.
Complete dev_configure with RX offloads configuration.

Signed-off-by: Xiaoyun Li <xiaoyun...@intel.com>
Signed-off-by: Junfeng Guo <junfeng....@intel.com>
---
 drivers/net/gve/gve.h        |  3 ++
 drivers/net/gve/gve_ethdev.c | 61 ++++++++++++++++++++++++++++++++++++
 2 files changed, 64 insertions(+)

diff --git a/drivers/net/gve/gve.h b/drivers/net/gve/gve.h
index 7f4d0e37f3..004e0a75ca 100644
--- a/drivers/net/gve/gve.h
+++ b/drivers/net/gve/gve.h
@@ -27,6 +27,9 @@
 #define GVE_DEFAULT_TX_FREE_THRESH  256
 #define GVE_TX_MAX_FREE_SZ          512
 
+#define GVE_MIN_BUF_SIZE           1024
+#define GVE_MAX_RX_PKTLEN          65535
+
 /* PTYPEs are always 10 bits. */
 #define GVE_NUM_PTYPES 1024
 
diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c
index 5ebe2c30ea..6bc7bf4519 100644
--- a/drivers/net/gve/gve_ethdev.c
+++ b/drivers/net/gve/gve_ethdev.c
@@ -96,6 +96,14 @@ gve_free_qpls(struct gve_priv *priv)
 static int
 gve_dev_configure(__rte_unused struct rte_eth_dev *dev)
 {
+       struct gve_priv *priv = dev->data->dev_private;
+
+       if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
+               dev->data->dev_conf.rxmode.offloads |= 
RTE_ETH_RX_OFFLOAD_RSS_HASH;
+
+       if (dev->data->dev_conf.rxmode.offloads & RTE_ETH_RX_OFFLOAD_TCP_LRO)
+               priv->enable_lsc = 1;
+
        return 0;
 }
 
@@ -266,6 +274,58 @@ gve_dev_close(struct rte_eth_dev *dev)
        return err;
 }
 
+static int
+gve_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+       struct gve_priv *priv = dev->data->dev_private;
+
+       dev_info->device = dev->device;
+       dev_info->max_mac_addrs = 1;
+       dev_info->max_rx_queues = priv->max_nb_rxq;
+       dev_info->max_tx_queues = priv->max_nb_txq;
+       dev_info->min_rx_bufsize = GVE_MIN_BUF_SIZE;
+       dev_info->max_rx_pktlen = GVE_MAX_RX_PKTLEN;
+
+       dev_info->rx_offload_capa = 0;
+       dev_info->tx_offload_capa =
+               RTE_ETH_TX_OFFLOAD_MULTI_SEGS |
+               RTE_ETH_TX_OFFLOAD_IPV4_CKSUM |
+               RTE_ETH_TX_OFFLOAD_UDP_CKSUM |
+               RTE_ETH_TX_OFFLOAD_TCP_CKSUM |
+               RTE_ETH_TX_OFFLOAD_SCTP_CKSUM |
+               RTE_ETH_TX_OFFLOAD_TCP_TSO;
+
+       if (priv->queue_format == GVE_DQO_RDA_FORMAT)
+               dev_info->rx_offload_capa |= RTE_ETH_RX_OFFLOAD_TCP_LRO;
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_free_thresh = GVE_DEFAULT_RX_FREE_THRESH,
+               .rx_drop_en = 0,
+               .offloads = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_free_thresh = GVE_DEFAULT_TX_FREE_THRESH,
+               .offloads = 0,
+       };
+
+       dev_info->default_rxportconf.ring_size = priv->rx_desc_cnt;
+       dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
+               .nb_max = priv->rx_desc_cnt,
+               .nb_min = priv->rx_desc_cnt,
+               .nb_align = 1,
+       };
+
+       dev_info->default_txportconf.ring_size = priv->tx_desc_cnt;
+       dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
+               .nb_max = priv->tx_desc_cnt,
+               .nb_min = priv->tx_desc_cnt,
+               .nb_align = 1,
+       };
+
+       return 0;
+}
+
 static int
 gve_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
 {
@@ -299,6 +359,7 @@ static const struct eth_dev_ops gve_eth_dev_ops = {
        .dev_start            = gve_dev_start,
        .dev_stop             = gve_dev_stop,
        .dev_close            = gve_dev_close,
+       .dev_infos_get        = gve_dev_info_get,
        .rx_queue_setup       = gve_rx_queue_setup,
        .tx_queue_setup       = gve_tx_queue_setup,
        .link_update          = gve_link_update,
-- 
2.34.1