net/tap: add speed capabilities

Tap PMD is flexible, it supports any speed.

Signed-off-by: Pascal Mazon <pascal.mazon@6wind.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/doc/guides/nics/features/tap.ini b/doc/guides/nics/features/tap.ini
index b805777..6c07352 100644 (file)
--- a/doc/guides/nics/features/tap.ini
+++ b/doc/guides/nics/features/tap.ini
@@ -10,6 +10,7 @@ Promiscuous mode     = Y
 Allmulticast mode    = Y
 Basic stats          = Y
 MTU update           = Y
+Speed capabilities   = Y
 Unicast MAC filter   = Y
 Other kdrv           = Y
 ARMv7                = Y

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index b14bbab..c531feb 100644 (file)
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -407,6 +407,40 @@ tap_dev_configure(struct rte_eth_dev *dev __rte_unused)
        return 0;
 }
 
+static uint32_t
+tap_dev_speed_capa(void)
+{
+       uint32_t speed = pmd_link.link_speed;
+       uint32_t capa = 0;
+
+       if (speed >= ETH_SPEED_NUM_10M)
+               capa |= ETH_LINK_SPEED_10M;
+       if (speed >= ETH_SPEED_NUM_100M)
+               capa |= ETH_LINK_SPEED_100M;
+       if (speed >= ETH_SPEED_NUM_1G)
+               capa |= ETH_LINK_SPEED_1G;
+       if (speed >= ETH_SPEED_NUM_5G)
+               capa |= ETH_LINK_SPEED_2_5G;
+       if (speed >= ETH_SPEED_NUM_5G)
+               capa |= ETH_LINK_SPEED_5G;
+       if (speed >= ETH_SPEED_NUM_10G)
+               capa |= ETH_LINK_SPEED_10G;
+       if (speed >= ETH_SPEED_NUM_20G)
+               capa |= ETH_LINK_SPEED_20G;
+       if (speed >= ETH_SPEED_NUM_25G)
+               capa |= ETH_LINK_SPEED_25G;
+       if (speed >= ETH_SPEED_NUM_40G)
+               capa |= ETH_LINK_SPEED_40G;
+       if (speed >= ETH_SPEED_NUM_50G)
+               capa |= ETH_LINK_SPEED_50G;
+       if (speed >= ETH_SPEED_NUM_56G)
+               capa |= ETH_LINK_SPEED_56G;
+       if (speed >= ETH_SPEED_NUM_100G)
+               capa |= ETH_LINK_SPEED_100G;
+
+       return capa;
+}
+
 static void
 tap_dev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
@@ -419,6 +453,7 @@ tap_dev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
        dev_info->max_tx_queues = internals->nb_queues;
        dev_info->min_rx_bufsize = 0;
        dev_info->pci_dev = NULL;
+       dev_info->speed_capa = tap_dev_speed_capa();
 }
 
 static void