Hi,
On 20/03/2026 4:14 PM, David Marchand wrote:
Re-enable debug logs unconditionally, this helps understanding why mac
deletions were silently failing (while a bridge fdb del command was
working fine).
testpmd> mac_addr add 0 FA:35:44:3F:58:31
testpmd> mac_addr remove 0 FA:35:44:3F:58:31
mlx5_common: Interface 35 cannot remove MAC address FA:35:44:3F:58:31
Operation not supported
Then, fix mac deletion as the NLM_F_CREATE == 0x200 flag is relevant
with a RTM_NEWNEIGH op.
Since kernel v5.19 though, for a RTM_DELNEIGH op, 0x200 == NLM_F_BULK
and passing this flag makes the deletion fail miserably for a single mac.
Fixes: ccdcba53a3f4 ("net/mlx5: use Netlink to add/remove MAC addresses")
Cc: [email protected]
Signed-off-by: David Marchand <[email protected]>
Patch applied to next-net-mlx,
Kindest regards
Raslan Darawsheh
