[PATCH net-next 06/11] vxlan: vxlan_core: Support FDB flushing by nexthop ID
From: Amit Cohen <hidden>
Date: 2023-10-09 10:07:28
Also in:
bridge, linux-kselftest
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add support for flush VXLAN FDB entries by nexthop ID. Signed-off-by: Amit Cohen <redacted> Reviewed-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> --- drivers/net/vxlan/vxlan_core.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
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;
--
2.40.1