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vxlan: vxlan_core: Support FDB flushing by source VNI

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Add support for flush VXLAN FDB entries by source VNI.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Cohen 2023-10-09 13:06:12 +03:00 committed by David S. Miller
parent d324eb9cec
commit a0f89d5e68
1 changed files with 8 additions and 0 deletions
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8
drivers/net/vxlan/vxlan_core.c
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@ -3028,6 +3028,7 @@ struct vxlan_fdb_flush_desc {
unsigned long state_mask; unsigned long state_mask;
unsigned long flags; unsigned long flags;
unsigned long flags_mask; unsigned long flags_mask;
__be32 src_vni;
}; };
static bool vxlan_fdb_is_default_entry(const struct vxlan_fdb *f, 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)) if (desc->ignore_default_entry && vxlan_fdb_is_default_entry(f, vxlan))
return false; return false;
if (desc->src_vni && f->vni != desc->src_vni)
return false;
return true; 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] = { 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_STATE_MASK] = { .type = NLA_U16 },
[NDA_NDM_FLAGS_MASK] = { .type = NLA_U8 }, [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]) if (tb[NDA_NDM_FLAGS_MASK])
desc.flags_mask = nla_get_u8(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); vxlan_flush(vxlan, &desc);
return 0; return 0;