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438e88e672
Use update_kernel to refresh all patches, required manual updates to: 610-netfilter_match_bypass_default_checks.patch 611-netfilter_match_bypass_default_table.patch 762-net-bridge-switchdev-Refactor-br_switchdev_fdb_notif.patch 764-net-bridge-switchdev-Send-FDB-notifications-for-host.patch Run-tested: x86_64 Nothing screamed out but any funny business with linux bridging should suspect this update first. Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
97 lines
3.2 KiB
Diff
97 lines
3.2 KiB
Diff
From 2e50fd9322047253c327550b4485cf8761035a8c Mon Sep 17 00:00:00 2001
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From: Tobias Waldekranz <tobias@waldekranz.com>
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Date: Sat, 16 Jan 2021 02:25:11 +0100
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Subject: [PATCH] net: bridge: switchdev: Send FDB notifications for host
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addresses
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Treat addresses added to the bridge itself in the same way as regular
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ports and send out a notification so that drivers may sync it down to
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the hardware FDB.
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Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
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---
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net/bridge/br_fdb.c | 4 ++--
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net/bridge/br_private.h | 7 ++++---
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net/bridge/br_switchdev.c | 11 +++++------
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3 files changed, 11 insertions(+), 11 deletions(-)
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--- a/net/bridge/br_fdb.c
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+++ b/net/bridge/br_fdb.c
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@@ -602,7 +602,7 @@ void br_fdb_update(struct net_bridge *br
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/* fastpath: update of existing entry */
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if (unlikely(source != fdb->dst &&
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!test_bit(BR_FDB_STICKY, &fdb->flags))) {
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- br_switchdev_fdb_notify(fdb, RTM_DELNEIGH);
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+ br_switchdev_fdb_notify(br, fdb, RTM_DELNEIGH);
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fdb->dst = source;
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fdb_modified = true;
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/* Take over HW learned entry */
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@@ -735,7 +735,7 @@ static void fdb_notify(struct net_bridge
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int err = -ENOBUFS;
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if (swdev_notify)
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- br_switchdev_fdb_notify(fdb, type);
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+ br_switchdev_fdb_notify(br, fdb, type);
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skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC);
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if (skb == NULL)
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--- a/net/bridge/br_private.h
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+++ b/net/bridge/br_private.h
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@@ -1527,8 +1527,8 @@ bool nbp_switchdev_allowed_egress(const
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int br_switchdev_set_port_flag(struct net_bridge_port *p,
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unsigned long flags,
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unsigned long mask);
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-void br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb,
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- int type);
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+void br_switchdev_fdb_notify(struct net_bridge *br,
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+ const struct net_bridge_fdb_entry *fdb, int type);
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int br_switchdev_port_vlan_add(struct net_device *dev, u16 vid, u16 flags,
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struct netlink_ext_ack *extack);
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int br_switchdev_port_vlan_del(struct net_device *dev, u16 vid);
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@@ -1574,7 +1574,8 @@ static inline int br_switchdev_port_vlan
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}
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static inline void
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-br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
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+br_switchdev_fdb_notify(struct net_bridge *br,
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+ const struct net_bridge_fdb_entry *fdb, int type)
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{
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}
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--- a/net/bridge/br_switchdev.c
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+++ b/net/bridge/br_switchdev.c
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@@ -103,7 +103,8 @@ int br_switchdev_set_port_flag(struct ne
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}
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void
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-br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
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+br_switchdev_fdb_notify(struct net_bridge *br,
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+ const struct net_bridge_fdb_entry *fdb, int type)
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{
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struct switchdev_notifier_fdb_info info = {
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.addr = fdb->key.addr.addr,
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@@ -112,20 +113,19 @@ br_switchdev_fdb_notify(const struct net
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.local = test_bit(BR_FDB_LOCAL, &fdb->flags),
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.offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags),
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};
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+ struct net_device *dev = fdb->dst ? fdb->dst->dev : br->dev;
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- if (!fdb->dst)
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- return;
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if (test_bit(BR_FDB_LOCAL, &fdb->flags))
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return;
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switch (type) {
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case RTM_DELNEIGH:
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call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_DEVICE,
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- fdb->dst->dev, &info.info, NULL);
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+ dev, &info.info, NULL);
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break;
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case RTM_NEWNEIGH:
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call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_DEVICE,
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- fdb->dst->dev, &info.info, NULL);
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+ dev, &info.info, NULL);
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break;
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}
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}
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