[PATCH v3 2/6] net/tap: add speed capabilities

[Pascal Mazon <pascal.mazon@6wind.com>]

Tap PMD is flexible, it supports any speed.

Signed-off-by: Pascal Mazon <pascal.mazon@6wind.com>
---
 doc/guides/nics/features/tap.ini |  1 +
 drivers/net/tap/rte_eth_tap.c    | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/doc/guides/nics/features/tap.ini b/doc/guides/nics/features/tap.ini
index d9b47a003654..dad5a0561087 100644
--- a/doc/guides/nics/features/tap.ini
+++ b/doc/guides/nics/features/tap.ini
@@ -9,6 +9,7 @@ Jumbo frame          = Y
 Promiscuous mode     = Y
 Allmulticast mode    = Y
 Basic stats          = 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 1e46ee36efa2..ef525a3f0826 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -351,6 +351,40 @@ 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)
 {
@@ -363,6 +397,7 @@ 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
-- 
2.8.0.rc0