[dpdk-dev] [PATCH] net/ixgbe: allow for setting 2.5G and 5G speeds on X550

[Martin Weiser]

This patch adds support for explicitly selecting 2.5G and 5G speeds on
X550.

Signed-off-by: Martin Weiser <martin.wei...@allegro-packets.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index c77176d33..2d91cc55f 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -2480,6 +2480,7 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
        uint32_t intr_vector = 0;
        int err, link_up = 0, negotiate = 0;
        uint32_t speed = 0;
+       uint32_t allowed_speeds = 0;
        int mask = 0;
        int status;
        uint16_t vf, idx;
@@ -2628,9 +2629,21 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
        if (err)
                goto error;
 
+       switch (hw->mac.type) {
+       case ixgbe_mac_X550:
+       case ixgbe_mac_X550EM_x:
+       case ixgbe_mac_X550EM_a:
+               allowed_speeds = ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G |
+                       ETH_LINK_SPEED_2_5G |  ETH_LINK_SPEED_5G |
+                       ETH_LINK_SPEED_10G;
+               break;
+       default:
+               allowed_speeds = ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G |
+                       ETH_LINK_SPEED_10G;
+       }
+
        link_speeds = &dev->data->dev_conf.link_speeds;
-       if (*link_speeds & ~(ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G |
-                       ETH_LINK_SPEED_10G)) {
+       if (*link_speeds & ~allowed_speeds) {
                PMD_INIT_LOG(ERR, "Invalid link setting");
                goto error;
        }
@@ -2656,6 +2669,10 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
        } else {
                if (*link_speeds & ETH_LINK_SPEED_10G)
                        speed |= IXGBE_LINK_SPEED_10GB_FULL;
+               if (*link_speeds & ETH_LINK_SPEED_5G)
+                       speed |= IXGBE_LINK_SPEED_5GB_FULL;
+               if (*link_speeds & ETH_LINK_SPEED_2_5G)
+                       speed |= IXGBE_LINK_SPEED_2_5GB_FULL;
                if (*link_speeds & ETH_LINK_SPEED_1G)
                        speed |= IXGBE_LINK_SPEED_1GB_FULL;
                if (*link_speeds & ETH_LINK_SPEED_100M)
-- 
2.16.0