From: Souvik Dey <so...@rbbn.com> As the internal MAC table is divided into Unicast and Multicast address sections, we should check the type of synched MAC address before storing it to the internal table. Currently the check is not done, and the synched MAC of 33:33:00:00:00:01 gets stored in the unicast section (mostly index 1) causing all subsequent mlx5_set_mc_addr_list() to fail with error -EADDRINUSE, as the mac_list contains the MAC 33:33:00:00:00:01. This denies adding of any new multicast address to the internal list and also fails to add the MAC address to the device in case of SR-IOV VF.
Fixes: f22442cb5d42 (�net/mlx5: reduce Netlink commands dependencies�) Fixes: ccdcba53a3f4 (�net/mlx5: use Netlink to add/remove MAC addresses�) Cc: sta...@dpdk.org Signed-off-by: Souvik Dey <so...@rbbn.com> --- v2: * net/ -> common/ * space after mlx5: * synched -> synched * section -> sections * rewording which causes -> causing * typo: case (to remove) * added Fixes for LTS ML --- drivers/common/mlx5/linux/mlx5_nl.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/common/mlx5/linux/mlx5_nl.c b/drivers/common/mlx5/linux/mlx5_nl.c index 40d8620..ef7a521 100644 --- a/drivers/common/mlx5/linux/mlx5_nl.c +++ b/drivers/common/mlx5/linux/mlx5_nl.c @@ -758,11 +758,21 @@ mlx5_nl_mac_addr_sync(int nlsk_fd, unsigned int iface_idx, break; if (j != n) continue; - /* Find the first entry available. */ - for (j = 0; j != n; ++j) { - if (rte_is_zero_ether_addr(&mac_addrs[j])) { - mac_addrs[j] = macs[i]; - break; + if (rte_is_multicast_ether_addr(&macs[i])) { + /* Find the first entry available. */ + for (j = MLX5_MAX_UC_MAC_ADDRESSES; j != n; ++j) { + if (rte_is_zero_ether_addr(&mac_addrs[j])) { + mac_addrs[j] = macs[i]; + break; + } + } + } else { + /* Find the first entry available. */ + for (j = 0; j != MLX5_MAX_UC_MAC_ADDRESSES; ++j) { + if (rte_is_zero_ether_addr(&mac_addrs[j])) { + mac_addrs[j] = macs[i]; + break; + } } } } -- 2.9.3.windows.1 Notice: This e-mail together with any attachments may contain information of Ribbon Communications Inc. and its Affiliates that is confidential and/or proprietary for the sole use of the intended recipient. Any review, disclosure, reliance or distribution by others or forwarding without express permission is strictly prohibited. If you are not the intended recipient, please notify the sender immediately and then delete all copies, including any attachments.