diff options
| author | Stephen Worley <sworley@nvidia.com> | 2021-04-28 15:39:51 -0400 |
|---|---|---|
| committer | Stephen Worley <sworley@nvidia.com> | 2023-02-13 18:12:05 -0500 |
| commit | 313c1c8e951d04bde30d9a78ce72158aee2f6439 (patch) | |
| tree | 99cc01cf233afdfecff945ab2824a0f430173c6e /zebra/kernel_netlink.c | |
| parent | bf7087f6436114dfd6f8ea35726f54187c52ef79 (diff) | |
zebra: subscribe to bridge vlan netlink messages
Add code to subscribe toe bridge vlan messaging code
and appropriate debug output for it.
Signed-off-by: Stephen Worley <sworley@nvidia.com>
Diffstat (limited to 'zebra/kernel_netlink.c')
| -rw-r--r-- | zebra/kernel_netlink.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c index 0c45350700..45fb24a210 100644 --- a/zebra/kernel_netlink.c +++ b/zebra/kernel_netlink.c @@ -1767,7 +1767,7 @@ void kernel_init(struct zebra_ns *zns) { uint32_t groups, dplane_groups, ext_groups; #if defined SOL_NETLINK - int one, ret; + int one, ret, grp; #endif /* @@ -1778,6 +1778,11 @@ void kernel_init(struct zebra_ns *zns) * keeping track of all the different values would * lead to confusion, so we need to convert the * RTNLGRP_XXX to a bit position for ourself + * + * + * NOTE: If the bit is >= 32, you must use setsockopt(). Those + * groups are added further below after SOL_NETLINK is verified to + * exist. */ groups = RTMGRP_LINK | RTMGRP_IPV4_ROUTE | @@ -1857,6 +1862,14 @@ void kernel_init(struct zebra_ns *zns) * sure that we want to pull into our build system. */ #if defined SOL_NETLINK + + /* + * setsockopt multicast group subscriptions that don't fit in nl_groups + */ + grp = RTNLGRP_BRVLAN; + ret = setsockopt(zns->netlink.sock, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, + &grp, sizeof(grp)); + /* * Let's tell the kernel that we want to receive extended * ACKS over our command socket(s) |