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vxlan: make netlink notify in vxlan_fdb_destroy optional

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Add a new option do_notify to vxlan_fdb_destroy to make
sending netlink notify optional. Used by a later patch.

Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Roopa Prabhu 2018-07-04 16:46:31 -07:00 committed by David S. Miller
parent 25e20e730d
commit 4c2438ba85
1 changed files with 8 additions and 6 deletions
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14
drivers/net/vxlan.c
View file

@ -775,13 +775,15 @@ static void vxlan_fdb_free(struct rcu_head *head)
kfree(f);
}
static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f)
static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,
bool do_notify)
{
netdev_dbg(vxlan->dev,
"delete %pM\n", f->eth_addr);
--vxlan->addrcnt;
vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_DELNEIGH);
if (do_notify)
vxlan_fdb_notify(vxlan, f, first_remote_rtnl(f), RTM_DELNEIGH);
hlist_del_rcu(&f->hlist);
call_rcu(&f->rcu, vxlan_fdb_free);
@ -931,7 +933,7 @@ static int __vxlan_fdb_delete(struct vxlan_dev *vxlan,
goto out;
}
vxlan_fdb_destroy(vxlan, f);
vxlan_fdb_destroy(vxlan, f, true);
out:
return 0;
@ -2399,7 +2401,7 @@ static void vxlan_cleanup(struct timer_list *t)
"garbage collect %pM\n",
f->eth_addr);
f->state = NUD_STALE;
vxlan_fdb_destroy(vxlan, f);
vxlan_fdb_destroy(vxlan, f, true);
} else if (time_before(timeout, next_timer))
next_timer = timeout;
}
@ -2450,7 +2452,7 @@ static void vxlan_fdb_delete_default(struct vxlan_dev *vxlan, __be32 vni)
spin_lock_bh(&vxlan->hash_lock);
f = __vxlan_find_mac(vxlan, all_zeros_mac, vni);
if (f)
vxlan_fdb_destroy(vxlan, f);
vxlan_fdb_destroy(vxlan, f, true);
spin_unlock_bh(&vxlan->hash_lock);
}
@ -2504,7 +2506,7 @@ static void vxlan_flush(struct vxlan_dev *vxlan, bool do_all)
continue;
/* the all_zeros_mac entry is deleted at vxlan_uninit */
if (!is_zero_ether_addr(f->eth_addr))
vxlan_fdb_destroy(vxlan, f);
vxlan_fdb_destroy(vxlan, f, true);
}
}
spin_unlock_bh(&vxlan->hash_lock);