diff options
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index af61b10b85bf..79462c0368a0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -358,7 +358,9 @@ static int mlx5e_rep_netevent_event(struct notifier_block *nb, struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_neigh_hash_entry *nhe = NULL; struct mlx5e_neigh m_neigh = {}; + struct neigh_parms *p; struct neighbour *n; + bool found = false; switch (event) { case NETEVENT_NEIGH_UPDATE: @@ -403,6 +405,43 @@ static int mlx5e_rep_netevent_event(struct notifier_block *nb, } spin_unlock_bh(&neigh_update->encap_lock); break; + + case NETEVENT_DELAY_PROBE_TIME_UPDATE: + p = ptr; + + /* We check the device is present since we don't care about + * changes in the default table, we only care about changes + * done per device delay prob time parameter. + */ +#if IS_ENABLED(CONFIG_IPV6) + if (!p->dev || (p->tbl != ipv6_stub->nd_tbl && p->tbl != &arp_tbl)) +#else + if (!p->dev || p->tbl != &arp_tbl) +#endif + return NOTIFY_DONE; + + /* We are in atomic context and can't take RTNL mutex, + * so use spin_lock_bh to walk the neigh list and look for + * the relevant device. bh is used since netevent can be + * called from a softirq context. + */ + spin_lock_bh(&neigh_update->encap_lock); + list_for_each_entry(nhe, &neigh_update->neigh_list, neigh_list) { + if (p->dev == nhe->m_neigh.dev) { + found = true; + break; + } + } + spin_unlock_bh(&neigh_update->encap_lock); + if (!found) + return NOTIFY_DONE; + + neigh_update->min_interval = min_t(unsigned long, + NEIGH_VAR(p, DELAY_PROBE_TIME), + neigh_update->min_interval); + mlx5_fc_update_sampling_interval(priv->mdev, + neigh_update->min_interval); + break; } return NOTIFY_DONE; } |