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authorAmit Cohen <amcohen@nvidia.com>2023-10-09 12:06:13 +0200
committerDavid S. Miller <davem@davemloft.net>2023-10-13 11:00:31 +0200
commit36c111233b561b8337997b2b4b4eff0c43a77fc0 (patch)
treec1f19812b914ca04c33b8e943aab9de7d86b9cd1 /drivers/net/vxlan
parentvxlan: vxlan_core: Support FDB flushing by source VNI (diff)
downloadlinux-36c111233b561b8337997b2b4b4eff0c43a77fc0.tar.xz
linux-36c111233b561b8337997b2b4b4eff0c43a77fc0.zip
vxlan: vxlan_core: Support FDB flushing by nexthop ID
Add support for flush VXLAN FDB entries by nexthop ID. 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>
Diffstat (limited to 'drivers/net/vxlan')
-rw-r--r--drivers/net/vxlan/vxlan_core.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 8214db56989d..ec7147409d99 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -3029,6 +3029,7 @@ struct vxlan_fdb_flush_desc {
unsigned long flags;
unsigned long flags_mask;
__be32 src_vni;
+ u32 nhid;
};
static bool vxlan_fdb_is_default_entry(const struct vxlan_fdb *f,
@@ -3037,6 +3038,13 @@ static bool vxlan_fdb_is_default_entry(const struct vxlan_fdb *f,
return is_zero_ether_addr(f->eth_addr) && f->vni == vxlan->cfg.vni;
}
+static bool vxlan_fdb_nhid_matches(const struct vxlan_fdb *f, u32 nhid)
+{
+ struct nexthop *nh = rtnl_dereference(f->nh);
+
+ return nh && nh->id == nhid;
+}
+
static bool vxlan_fdb_flush_matches(const struct vxlan_fdb *f,
const struct vxlan_dev *vxlan,
const struct vxlan_fdb_flush_desc *desc)
@@ -3053,6 +3061,9 @@ static bool vxlan_fdb_flush_matches(const struct vxlan_fdb *f,
if (desc->src_vni && f->vni != desc->src_vni)
return false;
+ if (desc->nhid && !vxlan_fdb_nhid_matches(f, desc->nhid))
+ return false;
+
return true;
}
@@ -3081,6 +3092,7 @@ 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_NH_ID] = { .type = NLA_U32 },
[NDA_NDM_STATE_MASK] = { .type = NLA_U16 },
[NDA_NDM_FLAGS_MASK] = { .type = NLA_U8 },
};
@@ -3128,6 +3140,9 @@ static int vxlan_fdb_delete_bulk(struct nlmsghdr *nlh, struct net_device *dev,
if (tb[NDA_SRC_VNI])
desc.src_vni = cpu_to_be32(nla_get_u32(tb[NDA_SRC_VNI]));
+ if (tb[NDA_NH_ID])
+ desc.nhid = nla_get_u32(tb[NDA_NH_ID]);
+
vxlan_flush(vxlan, &desc);
return 0;