Commit a0f89d5e authored by Amit Cohen's avatar Amit Cohen Committed by David S. Miller
Browse files

vxlan: vxlan_core: Support FDB flushing by source VNI 



Add support for flush VXLAN FDB entries by source VNI.

Signed-off-by: default avatarAmit Cohen <amcohen@nvidia.com>
Reviewed-by: default avatarPetr Machata <petrm@nvidia.com>
Reviewed-by: default avatarIdo Schimmel <idosch@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d324eb9c

drivers/net/vxlan/vxlan_core.c

+8 −0
Original line number Diff line number Diff line
@@ -3028,6 +3028,7 @@ struct vxlan_fdb_flush_desc { 
	unsigned long			state_mask;

	unsigned long                   flags;

	unsigned long			flags_mask;

	__be32				src_vni;

};



static bool vxlan_fdb_is_default_entry(const struct vxlan_fdb *f,
@@ -3049,6 +3050,9 @@ static bool vxlan_fdb_flush_matches(const struct vxlan_fdb *f, 
	if (desc->ignore_default_entry && vxlan_fdb_is_default_entry(f, vxlan))

		return false;



	if (desc->src_vni && f->vni != desc->src_vni)

		return false;



	return true;

}
@@ -3076,6 +3080,7 @@ static void vxlan_flush(struct vxlan_dev *vxlan, 
}



static const struct nla_policy vxlan_del_bulk_policy[NDA_MAX + 1] = {

	[NDA_SRC_VNI]   = { .type = NLA_U32 },

	[NDA_NDM_STATE_MASK]	= { .type = NLA_U16 },

	[NDA_NDM_FLAGS_MASK]	= { .type = NLA_U8 },

};
@@ -3120,6 +3125,9 @@ static int vxlan_fdb_delete_bulk(struct nlmsghdr *nlh, struct net_device *dev, 
	if (tb[NDA_NDM_FLAGS_MASK])

		desc.flags_mask = nla_get_u8(tb[NDA_NDM_FLAGS_MASK]);



	if (tb[NDA_SRC_VNI])

		desc.src_vni = cpu_to_be32(nla_get_u32(tb[NDA_SRC_VNI]));



	vxlan_flush(vxlan, &desc);



	return 0;