mlx4_core: Add extended port capabilities support

An Extended Port Info packet is sent to each hw port during HCA init.
If it returns without error, we assume the port supports extended port
capabilities.

Signed-off-by: Marcel Apfelbaum <marcela@dev.mellanox.co.il>
Reviewed-by: Jack Morgenstein <jackm@dev.mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index f0ee35df4dd7..017616a722d7 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -998,6 +998,13 @@ static int mlx4_setup_hca(struct mlx4_dev *dev)
                                   "ib capabilities (%d). Continuing with "
                                   "caps = 0\n", port, err);
                 dev->caps.ib_port_def_cap[port] = ib_port_default_caps;
+
+                err = mlx4_check_ext_port_caps(dev, port);
+                if (err)
+                        mlx4_warn(dev, "failed to get port %d extended "
+                                  "port capabilities support info (%d)."
+                                  " Assuming not supported\n", port, err);
+
                 err = mlx4_SET_PORT(dev, port);
                 if (err) {
                         mlx4_err(dev, "Failed to set port %d, aborting\n",