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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2021-03-24 02:30:34 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-24 12:48:38 -0700 |
| commit | ec9d16bab615ceda8ac22a7b4d2c7601bbe172cb (patch) | |
| tree | c1e128588bf80d7b2e3509630c94e231ff088997 /net/bridge | |
| parent | e4417d6950b06fe6c520e937b337daff093220ff (diff) | |
| download | linux-ec9d16bab615ceda8ac22a7b4d2c7601bbe172cb.tar.bz2 | |
net: bridge: resolve forwarding path for bridge devices
Add .ndo_fill_forward_path for bridge devices.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')
| -rw-r--r-- | net/bridge/br_device.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 3f2f06b4dd27..c241719013f4 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -385,6 +385,32 @@ static int br_del_slave(struct net_device *dev, struct net_device *slave_dev) return br_del_if(br, slave_dev); } +static int br_fill_forward_path(struct net_device_path_ctx *ctx, + struct net_device_path *path) +{ + struct net_bridge_fdb_entry *f; + struct net_bridge_port *dst; + struct net_bridge *br; + + if (netif_is_bridge_port(ctx->dev)) + return -1; + + br = netdev_priv(ctx->dev); + f = br_fdb_find_rcu(br, ctx->daddr, 0); + if (!f || !f->dst) + return -1; + + dst = READ_ONCE(f->dst); + if (!dst) + return -1; + + path->type = DEV_PATH_BRIDGE; + path->dev = dst->br->dev; + ctx->dev = dst->dev; + + return 0; +} + static const struct ethtool_ops br_ethtool_ops = { .get_drvinfo = br_getinfo, .get_link = ethtool_op_get_link, @@ -419,6 +445,7 @@ static const struct net_device_ops br_netdev_ops = { .ndo_bridge_setlink = br_setlink, .ndo_bridge_dellink = br_dellink, .ndo_features_check = passthru_features_check, + .ndo_fill_forward_path = br_fill_forward_path, }; static struct device_type br_type = { |