diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/764-net-bridge-switchdev-Send-FDB-notifications-for-host.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/764-net-bridge-switchdev-Send-FDB-notifications-for-host.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.4/764-net-bridge-switchdev-Send-FDB-notifications-for-host.patch b/target/linux/generic/pending-5.4/764-net-bridge-switchdev-Send-FDB-notifications-for-host.patch new file mode 100644 index 0000000000..8b869dd8f3 --- /dev/null +++ b/target/linux/generic/pending-5.4/764-net-bridge-switchdev-Send-FDB-notifications-for-host.patch @@ -0,0 +1,94 @@ +From 2e50fd9322047253c327550b4485cf8761035a8c Mon Sep 17 00:00:00 2001 +From: Tobias Waldekranz <tobias@waldekranz.com> +Date: Sat, 16 Jan 2021 02:25:11 +0100 +Subject: [PATCH] net: bridge: switchdev: Send FDB notifications for host + addresses + +Treat addresses added to the bridge itself in the same way as regular +ports and send out a notification so that drivers may sync it down to +the hardware FDB. + +Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com> +--- + net/bridge/br_fdb.c | 4 ++-- + net/bridge/br_private.h | 7 ++++--- + net/bridge/br_switchdev.c | 11 +++++------ + 3 files changed, 11 insertions(+), 11 deletions(-) + +--- a/net/bridge/br_fdb.c ++++ b/net/bridge/br_fdb.c +@@ -581,7 +581,7 @@ void br_fdb_update(struct net_bridge *br + + /* fastpath: update of existing entry */ + if (unlikely(source != fdb->dst && !fdb->is_sticky)) { +- br_switchdev_fdb_notify(fdb, RTM_DELNEIGH); ++ br_switchdev_fdb_notify(br, fdb, RTM_DELNEIGH); + fdb->dst = source; + fdb_modified = true; + /* Take over HW learned entry */ +@@ -697,7 +697,7 @@ static void fdb_notify(struct net_bridge + int err = -ENOBUFS; + + if (swdev_notify) +- br_switchdev_fdb_notify(fdb, type); ++ br_switchdev_fdb_notify(br, fdb, type); + + skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC); + if (skb == NULL) +--- a/net/bridge/br_private.h ++++ b/net/bridge/br_private.h +@@ -1203,8 +1203,8 @@ bool nbp_switchdev_allowed_egress(const + int br_switchdev_set_port_flag(struct net_bridge_port *p, + unsigned long flags, + unsigned long mask); +-void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, +- int type); ++void br_switchdev_fdb_notify(struct net_bridge *br, ++ const struct net_bridge_fdb_entry *fdb, int type); + int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags, + struct netlink_ext_ack *extack); + int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid); +@@ -1250,7 +1250,8 @@ static inline int br_switchdev_port_vlan + } + + static inline void +-br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) ++br_switchdev_fdb_notify(struct net_bridge *br, ++ const struct net_bridge_fdb_entry *fdb, int type) + { + } + +--- a/net/bridge/br_switchdev.c ++++ b/net/bridge/br_switchdev.c +@@ -103,7 +103,8 @@ int br_switchdev_set_port_flag(struct ne + } + + void +-br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type) ++br_switchdev_fdb_notify(struct net_bridge *br, ++ const struct net_bridge_fdb_entry *fdb, int type) + { + struct switchdev_notifier_fdb_info info = { + .addr = fdb->key.addr.addr, +@@ -112,18 +113,16 @@ br_switchdev_fdb_notify(const struct net + .local = fdb->is_local, + .offloaded = fdb->offloaded, + }; +- +- if (!fdb->dst) +- return; ++ struct net_device *dev = fdb->dst ? fdb->dst->dev : br->dev; + + switch (type) { + case RTM_DELNEIGH: + call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_DEVICE, +- fdb->dst->dev, &info.info, NULL); ++ dev, &info.info, NULL); + break; + case RTM_NEWNEIGH: + call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_DEVICE, +- fdb->dst->dev, &info.info, NULL); ++ dev, &info.info, NULL); + break; + } + } |