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authorJakub Kicinski <kuba@kernel.org>2022-11-11 03:29:56 +0300
committerJakub Kicinski <kuba@kernel.org>2022-11-11 03:29:57 +0300
commitabd5ac18ae661681fbacd8c9d0a577943da4c89e (patch)
tree03bfbf324f81c1e177fe90ffbd321e2716306a83 /drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c
parentb3bbeba09453f87d37bd5f211887537c7bbc5a0b (diff)
parent7f1a6d4b9e820b08479a07f6e14c36ccfa641751 (diff)
downloadlinux-abd5ac18ae661681fbacd8c9d0a577943da4c89e.tar.xz
Merge tag 'mlx5-fixes-2022-11-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says: ==================== mlx5 fixes 2022-11-02 This series provides bug fixes to mlx5 driver. * tag 'mlx5-fixes-2022-11-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux: net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions net/mlx5e: E-Switch, Fix comparing termination table instance net/mlx5e: TC, Fix wrong rejection of packet-per-second policing net/mlx5e: Fix tc acts array not to be dependent on enum order net/mlx5e: Fix usage of DMA sync API net/mlx5e: Add missing sanity checks for max TX WQE size net/mlx5: fw_reset: Don't try to load device in case PCI isn't working net/mlx5: E-switch, Set to legacy mode if failed to change switchdev mode net/mlx5: Allow async trigger completion execution on single CPU systems net/mlx5: Bridge, verify LAG state when adding bond to bridge ==================== Link: https://lore.kernel.org/r/20221109184050.108379-1-saeed@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c
index 39ef2a2561a3..8099a21e674c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c
@@ -164,6 +164,36 @@ static int mlx5_esw_bridge_port_changeupper(struct notifier_block *nb, void *ptr
return err;
}
+static int
+mlx5_esw_bridge_changeupper_validate_netdev(void *ptr)
+{
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changeupper_info *info = ptr;
+ struct net_device *upper = info->upper_dev;
+ struct net_device *lower;
+ struct list_head *iter;
+
+ if (!netif_is_bridge_master(upper) || !netif_is_lag_master(dev))
+ return 0;
+
+ netdev_for_each_lower_dev(dev, lower, iter) {
+ struct mlx5_core_dev *mdev;
+ struct mlx5e_priv *priv;
+
+ if (!mlx5e_eswitch_rep(lower))
+ continue;
+
+ priv = netdev_priv(lower);
+ mdev = priv->mdev;
+ if (!mlx5_lag_is_active(mdev))
+ return -EAGAIN;
+ if (!mlx5_lag_is_shared_fdb(mdev))
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
static int mlx5_esw_bridge_switchdev_port_event(struct notifier_block *nb,
unsigned long event, void *ptr)
{
@@ -171,6 +201,7 @@ static int mlx5_esw_bridge_switchdev_port_event(struct notifier_block *nb,
switch (event) {
case NETDEV_PRECHANGEUPPER:
+ err = mlx5_esw_bridge_changeupper_validate_netdev(ptr);
break;
case NETDEV_CHANGEUPPER: