diff mbox series

[v3,10/10] net/mlx5: support negative identifiers for port representors

Message ID 20180704172322.22571-11-adrien.mazarguil@6wind.com (mailing list archive)
State Superseded, archived
Headers show
Series net/mlx5: add port representor support | expand

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail apply issues

Commit Message

Adrien Mazarguil July 4, 2018, 5:27 p.m. UTC
This patch brings support for BlueField representors.

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Cc: Shahaf Shuler <shahafs@mellanox.com>
--
v3 changes:

- This patch was not present in prior revisions.
---
 drivers/net/mlx5/mlx5.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 7e757274a..d2031c633 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1305,6 +1305,14 @@  mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 			memset(&list[i].info, 0, sizeof(list[i].info));
 			continue;
 		}
+		/*
+		 * Port representors not associated with any VFs (e.g. on
+		 * BlueField devices) report -1 as a port identifier.
+		 * Quietly set it to zero since DPDK only supports positive
+		 * values.
+		 */
+		if (list[i].info.representor && list[i].info.port_name == -1)
+			list[i].info.port_name = 0;
 	}
 	if (nl_rdma >= 0)
 		close(nl_rdma);