kernel-hacking-2024-linux-s.../net/bridge
Jonas Gorski bee2ef946d net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN
When userspace wants to take over a fdb entry by setting it as
EXTERN_LEARNED, we set both flags BR_FDB_ADDED_BY_EXT_LEARN and
BR_FDB_ADDED_BY_USER in br_fdb_external_learn_add().

If the bridge updates the entry later because its port changed, we clear
the BR_FDB_ADDED_BY_EXT_LEARN flag, but leave the BR_FDB_ADDED_BY_USER
flag set.

If userspace then wants to take over the entry again,
br_fdb_external_learn_add() sees that BR_FDB_ADDED_BY_USER and skips
setting the BR_FDB_ADDED_BY_EXT_LEARN flags, thus silently ignores the
update.

Fix this by always allowing to set BR_FDB_ADDED_BY_EXT_LEARN regardless
if this was a user fdb entry or not.

Fixes: 710ae72877 ("net: bridge: Mark FDB entries that were added by user as such")
Signed-off-by: Jonas Gorski <jonas.gorski@bisdn.de>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20240903081958.29951-1-jonas.gorski@bisdn.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-09-04 16:36:21 -07:00
..
netfilter net: Rename mono_delivery_time to tstamp_type for scalabilty 2024-05-23 14:14:23 -07:00
br.c
br_arp_nd_proxy.c
br_cfm.c
br_cfm_netlink.c
br_device.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2024-05-15 07:30:49 -07:00
br_fdb.c net: bridge: br_fdb_external_learn_add(): always set EXT_LEARN 2024-09-04 16:36:21 -07:00
br_forward.c net: bridge: mst: Check vlan state for egress decision 2024-07-15 13:40:28 +01:00
br_if.c
br_input.c netfilter: br_netfilter: skip conntrack input hook for promisc packets 2024-04-11 12:09:33 +02:00
br_ioctl.c
br_mdb.c
br_mrp.c
br_mrp_netlink.c
br_mrp_switchdev.c
br_mst.c net: bridge: mst: fix suspicious rcu usage in br_mst_set_state 2024-06-12 18:24:24 -07:00
br_multicast.c net: bridge: mcast: wait for previous gc cycles when removing port 2024-08-05 16:33:56 -07:00
br_multicast_eht.c
br_netfilter_hooks.c netfilter: nf_queue: drop packets with cloned unconfirmed conntracks 2024-08-14 23:37:23 +02:00
br_netfilter_ipv6.c
br_netlink.c bridge/br_netlink.c: no need to return void function 2024-04-22 11:57:14 +01:00
br_netlink_tunnel.c net: bridge: fix an inconsistent indentation 2024-06-05 10:04:47 +01:00
br_nf_core.c
br_private.h netfilter: br_netfilter: skip conntrack input hook for promisc packets 2024-04-11 12:09:33 +02:00
br_private_cfm.h
br_private_mcast_eht.h
br_private_mrp.h
br_private_stp.h
br_private_tunnel.h
br_stp.c
br_stp_bpdu.c
br_stp_if.c
br_stp_timer.c
br_switchdev.c
br_sysfs_br.c
br_sysfs_if.c
br_vlan.c
br_vlan_options.c
br_vlan_tunnel.c ip_tunnel: convert __be16 tunnel flags to bitmaps 2024-04-01 10:49:28 +01:00
Kconfig
Makefile