Merge branch 'net-sched-support-vxlan-and-erspan-options'

Xin Long says:

====================
net: sched: support vxlan and erspan options

This patchset is to add vxlan and erspan options support in
cls_flower and act_tunnel_key. The form is pretty much like
geneve_opts in:

  https://patchwork.ozlabs.org/patch/935272/
  https://patchwork.ozlabs.org/patch/954564/

but only one option is allowed for vxlan and erspan.

v1->v2:
  - see each patch changelog.
====================

Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 456 insertions, 1 deletions

diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index cb34e5d57aaa..30b58256d3da 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -10,6 +10,8 @@
 #include <linux/skbuff.h>
 #include <linux/rtnetlink.h>
 #include <net/geneve.h>
+#include <net/vxlan.h>
+#include <net/erspan.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
 #include <net/dst.h>
@@ -53,7 +55,11 @@ static int tunnel_key_act(struct sk_buff *skb, const struct tc_action *a,
 
 static const struct nla_policy
 enc_opts_policy[TCA_TUNNEL_KEY_ENC_OPTS_MAX + 1] = {
+	[TCA_TUNNEL_KEY_ENC_OPTS_UNSPEC]	= {
+		.strict_start_type = TCA_TUNNEL_KEY_ENC_OPTS_VXLAN },
 	[TCA_TUNNEL_KEY_ENC_OPTS_GENEVE]	= { .type = NLA_NESTED },
+	[TCA_TUNNEL_KEY_ENC_OPTS_VXLAN]		= { .type = NLA_NESTED },
+	[TCA_TUNNEL_KEY_ENC_OPTS_ERSPAN]	= { .type = NLA_NESTED },
 };
 
 static const struct nla_policy
@@ -64,6 +70,19 @@ geneve_opt_policy[TCA_TUNNEL_KEY_ENC_OPT_GENEVE_MAX + 1] = {
 						       .len = 128 },
 };
 
+static const struct nla_policy
+vxlan_opt_policy[TCA_TUNNEL_KEY_ENC_OPT_VXLAN_MAX + 1] = {
+	[TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP]	   = { .type = NLA_U32 },
+};
+
+static const struct nla_policy
+erspan_opt_policy[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_MAX + 1] = {
+	[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_VER]	   = { .type = NLA_U8 },
+	[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_INDEX]	   = { .type = NLA_U32 },
+	[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_DIR]	   = { .type = NLA_U8 },
+	[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_HWID]	   = { .type = NLA_U8 },
+};
+
 static int
 tunnel_key_copy_geneve_opt(const struct nlattr *nla, void *dst, int dst_len,
 			   struct netlink_ext_ack *extack)
@@ -116,10 +135,89 @@ tunnel_key_copy_geneve_opt(const struct nlattr *nla, void *dst, int dst_len,
 	return opt_len;
 }
 
+static int
+tunnel_key_copy_vxlan_opt(const struct nlattr *nla, void *dst, int dst_len,
+			  struct netlink_ext_ack *extack)
+{
+	struct nlattr *tb[TCA_TUNNEL_KEY_ENC_OPT_VXLAN_MAX + 1];
+	int err;
+
+	err = nla_parse_nested(tb, TCA_TUNNEL_KEY_ENC_OPT_VXLAN_MAX, nla,
+			       vxlan_opt_policy, extack);
+	if (err < 0)
+		return err;
+
+	if (!tb[TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP]) {
+		NL_SET_ERR_MSG(extack, "Missing tunnel key vxlan option gbp");
+		return -EINVAL;
+	}
+
+	if (dst) {
+		struct vxlan_metadata *md = dst;
+
+		md->gbp = nla_get_u32(tb[TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP]);
+	}
+
+	return sizeof(struct vxlan_metadata);
+}
+
+static int
+tunnel_key_copy_erspan_opt(const struct nlattr *nla, void *dst, int dst_len,
+			   struct netlink_ext_ack *extack)
+{
+	struct nlattr *tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_MAX + 1];
+	int err;
+	u8 ver;
+
+	err = nla_parse_nested(tb, TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_MAX, nla,
+			       erspan_opt_policy, extack);
+	if (err < 0)
+		return err;
+
+	if (!tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_VER]) {
+		NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option ver");
+		return -EINVAL;
+	}
+
+	ver = nla_get_u8(tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_VER]);
+	if (ver == 1) {
+		if (!tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_INDEX]) {
+			NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option index");
+			return -EINVAL;
+		}
+	} else if (ver == 2) {
+		if (!tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_DIR] ||
+		    !tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_HWID]) {
+			NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option dir or hwid");
+			return -EINVAL;
+		}
+	} else {
+		NL_SET_ERR_MSG(extack, "Tunnel key erspan option ver is incorrect");
+		return -EINVAL;
+	}
+
+	if (dst) {
+		struct erspan_metadata *md = dst;
+
+		md->version = ver;
+		if (ver == 1) {
+			nla = tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_INDEX];
+			md->u.index = nla_get_be32(nla);
+		} else {
+			nla = tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_DIR];
+			md->u.md2.dir = nla_get_u8(nla);
+			nla = tb[TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_HWID];
+			set_hwid(&md->u.md2, nla_get_u8(nla));
+		}
+	}
+
+	return sizeof(struct erspan_metadata);
+}
+
 static int tunnel_key_copy_opts(const struct nlattr *nla, u8 *dst,
 				int dst_len, struct netlink_ext_ack *extack)
 {
-	int err, rem, opt_len, len = nla_len(nla), opts_len = 0;
+	int err, rem, opt_len, len = nla_len(nla), opts_len = 0, type = 0;
 	const struct nlattr *attr, *head = nla_data(nla);
 
 	err = nla_validate_deprecated(head, len, TCA_TUNNEL_KEY_ENC_OPTS_MAX,
@@ -130,6 +228,10 @@ static int tunnel_key_copy_opts(const struct nlattr *nla, u8 *dst,
 	nla_for_each_attr(attr, head, len, rem) {
 		switch (nla_type(attr)) {
 		case TCA_TUNNEL_KEY_ENC_OPTS_GENEVE:
+			if (type && type != TUNNEL_GENEVE_OPT) {
+				NL_SET_ERR_MSG(extack, "Duplicate type for geneve options");
+				return -EINVAL;
+			}
 			opt_len = tunnel_key_copy_geneve_opt(attr, dst,
 							     dst_len, extack);
 			if (opt_len < 0)
@@ -139,6 +241,31 @@ static int tunnel_key_copy_opts(const struct nlattr *nla, u8 *dst,
 				dst_len -= opt_len;
 				dst += opt_len;
 			}
+			type = TUNNEL_GENEVE_OPT;
+			break;
+		case TCA_TUNNEL_KEY_ENC_OPTS_VXLAN:
+			if (type) {
+				NL_SET_ERR_MSG(extack, "Duplicate type for vxlan options");
+				return -EINVAL;
+			}
+			opt_len = tunnel_key_copy_vxlan_opt(attr, dst,
+							    dst_len, extack);
+			if (opt_len < 0)
+				return opt_len;
+			opts_len += opt_len;
+			type = TUNNEL_VXLAN_OPT;
+			break;
+		case TCA_TUNNEL_KEY_ENC_OPTS_ERSPAN:
+			if (type) {
+				NL_SET_ERR_MSG(extack, "Duplicate type for erspan options");
+				return -EINVAL;
+			}
+			opt_len = tunnel_key_copy_erspan_opt(attr, dst,
+							     dst_len, extack);
+			if (opt_len < 0)
+				return opt_len;
+			opts_len += opt_len;
+			type = TUNNEL_ERSPAN_OPT;
 			break;
 		}
 	}
@@ -175,6 +302,22 @@ static int tunnel_key_opts_set(struct nlattr *nla, struct ip_tunnel_info *info,
 #else
 		return -EAFNOSUPPORT;
 #endif
+	case TCA_TUNNEL_KEY_ENC_OPTS_VXLAN:
+#if IS_ENABLED(CONFIG_INET)
+		info->key.tun_flags |= TUNNEL_VXLAN_OPT;
+		return tunnel_key_copy_opts(nla, ip_tunnel_info_opts(info),
+					    opts_len, extack);
+#else
+		return -EAFNOSUPPORT;
+#endif
+	case TCA_TUNNEL_KEY_ENC_OPTS_ERSPAN:
+#if IS_ENABLED(CONFIG_INET)
+		info->key.tun_flags |= TUNNEL_ERSPAN_OPT;
+		return tunnel_key_copy_opts(nla, ip_tunnel_info_opts(info),
+					    opts_len, extack);
+#else
+		return -EAFNOSUPPORT;
+#endif
 	default:
 		NL_SET_ERR_MSG(extack, "Cannot set tunnel options for unknown tunnel type");
 		return -EINVAL;
@@ -451,6 +594,56 @@ static int tunnel_key_geneve_opts_dump(struct sk_buff *skb,
 	return 0;
 }
 
+static int tunnel_key_vxlan_opts_dump(struct sk_buff *skb,
+				      const struct ip_tunnel_info *info)
+{
+	struct vxlan_metadata *md = (struct vxlan_metadata *)(info + 1);
+	struct nlattr *start;
+
+	start = nla_nest_start_noflag(skb, TCA_TUNNEL_KEY_ENC_OPTS_VXLAN);
+	if (!start)
+		return -EMSGSIZE;
+
+	if (nla_put_u32(skb, TCA_TUNNEL_KEY_ENC_OPT_VXLAN_GBP, md->gbp)) {
+		nla_nest_cancel(skb, start);
+		return -EMSGSIZE;
+	}
+
+	nla_nest_end(skb, start);
+	return 0;
+}
+
+static int tunnel_key_erspan_opts_dump(struct sk_buff *skb,
+				       const struct ip_tunnel_info *info)
+{
+	struct erspan_metadata *md = (struct erspan_metadata *)(info + 1);
+	struct nlattr *start;
+
+	start = nla_nest_start_noflag(skb, TCA_TUNNEL_KEY_ENC_OPTS_ERSPAN);
+	if (!start)
+		return -EMSGSIZE;
+
+	if (nla_put_u8(skb, TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_VER, md->version))
+		goto err;
+
+	if (md->version == 1 &&
+	    nla_put_be32(skb, TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_INDEX, md->u.index))
+		goto err;
+
+	if (md->version == 2 &&
+	    (nla_put_u8(skb, TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_DIR,
+			md->u.md2.dir) ||
+	     nla_put_u8(skb, TCA_TUNNEL_KEY_ENC_OPT_ERSPAN_HWID,
+			get_hwid(&md->u.md2))))
+		goto err;
+
+	nla_nest_end(skb, start);
+	return 0;
+err:
+	nla_nest_cancel(skb, start);
+	return -EMSGSIZE;
+}
+
 static int tunnel_key_opts_dump(struct sk_buff *skb,
 				const struct ip_tunnel_info *info)
 {
@@ -468,6 +661,14 @@ static int tunnel_key_opts_dump(struct sk_buff *skb,
 		err = tunnel_key_geneve_opts_dump(skb, info);
 		if (err)
 			goto err_out;
+	} else if (info->key.tun_flags & TUNNEL_VXLAN_OPT) {
+		err = tunnel_key_vxlan_opts_dump(skb, info);
+		if (err)
+			goto err_out;
+	} else if (info->key.tun_flags & TUNNEL_ERSPAN_OPT) {
+		err = tunnel_key_erspan_opts_dump(skb, info);
+		if (err)
+			goto err_out;
 	} else {
 err_out:
 		nla_nest_cancel(skb, start);
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 74221e3351c3..c307ee1d6ca6 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -22,6 +22,8 @@
 #include <net/ip.h>
 #include <net/flow_dissector.h>
 #include <net/geneve.h>
+#include <net/vxlan.h>
+#include <net/erspan.h>
 
 #include <net/dst.h>
 #include <net/dst_metadata.h>
@@ -688,7 +690,11 @@ static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
 
 static const struct nla_policy
 enc_opts_policy[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1] = {
+	[TCA_FLOWER_KEY_ENC_OPTS_UNSPEC]        = {
+		.strict_start_type = TCA_FLOWER_KEY_ENC_OPTS_VXLAN },
 	[TCA_FLOWER_KEY_ENC_OPTS_GENEVE]        = { .type = NLA_NESTED },
+	[TCA_FLOWER_KEY_ENC_OPTS_VXLAN]         = { .type = NLA_NESTED },
+	[TCA_FLOWER_KEY_ENC_OPTS_ERSPAN]        = { .type = NLA_NESTED },
 };
 
 static const struct nla_policy
@@ -699,6 +705,19 @@ geneve_opt_policy[TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX + 1] = {
 						       .len = 128 },
 };
 
+static const struct nla_policy
+vxlan_opt_policy[TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX + 1] = {
+	[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]         = { .type = NLA_U32 },
+};
+
+static const struct nla_policy
+erspan_opt_policy[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1] = {
+	[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER]        = { .type = NLA_U8 },
+	[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]      = { .type = NLA_U32 },
+	[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR]        = { .type = NLA_U8 },
+	[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID]       = { .type = NLA_U8 },
+};
+
 static void fl_set_key_val(struct nlattr **tb,
 			   void *val, int val_type,
 			   void *mask, int mask_type, int len)
@@ -928,6 +947,105 @@ static int fl_set_geneve_opt(const struct nlattr *nla, struct fl_flow_key *key,
 	return sizeof(struct geneve_opt) + data_len;
 }
 
+static int fl_set_vxlan_opt(const struct nlattr *nla, struct fl_flow_key *key,
+			    int depth, int option_len,
+			    struct netlink_ext_ack *extack)
+{
+	struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX + 1];
+	struct vxlan_metadata *md;
+	int err;
+
+	md = (struct vxlan_metadata *)&key->enc_opts.data[key->enc_opts.len];
+	memset(md, 0xff, sizeof(*md));
+
+	if (!depth)
+		return sizeof(*md);
+
+	if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_VXLAN) {
+		NL_SET_ERR_MSG(extack, "Non-vxlan option type for mask");
+		return -EINVAL;
+	}
+
+	err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX, nla,
+			       vxlan_opt_policy, extack);
+	if (err < 0)
+		return err;
+
+	if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]) {
+		NL_SET_ERR_MSG(extack, "Missing tunnel key vxlan option gbp");
+		return -EINVAL;
+	}
+
+	if (tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP])
+		md->gbp = nla_get_u32(tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]);
+
+	return sizeof(*md);
+}
+
+static int fl_set_erspan_opt(const struct nlattr *nla, struct fl_flow_key *key,
+			     int depth, int option_len,
+			     struct netlink_ext_ack *extack)
+{
+	struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1];
+	struct erspan_metadata *md;
+	int err;
+
+	md = (struct erspan_metadata *)&key->enc_opts.data[key->enc_opts.len];
+	memset(md, 0xff, sizeof(*md));
+	md->version = 1;
+
+	if (!depth)
+		return sizeof(*md);
+
+	if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_ERSPAN) {
+		NL_SET_ERR_MSG(extack, "Non-erspan option type for mask");
+		return -EINVAL;
+	}
+
+	err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX, nla,
+			       erspan_opt_policy, extack);
+	if (err < 0)
+		return err;
+
+	if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER]) {
+		NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option ver");
+		return -EINVAL;
+	}
+
+	if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER])
+		md->version = nla_get_u8(tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER]);
+
+	if (md->version == 1) {
+		if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]) {
+			NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option index");
+			return -EINVAL;
+		}
+		if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]) {
+			nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX];
+			md->u.index = nla_get_be32(nla);
+		}
+	} else if (md->version == 2) {
+		if (!option_len && (!tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR] ||
+				    !tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID])) {
+			NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option dir or hwid");
+			return -EINVAL;
+		}
+		if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR]) {
+			nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR];
+			md->u.md2.dir = nla_get_u8(nla);
+		}
+		if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID]) {
+			nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID];
+			set_hwid(&md->u.md2, nla_get_u8(nla));
+		}
+	} else {
+		NL_SET_ERR_MSG(extack, "Tunnel key erspan option ver is incorrect");
+		return -EINVAL;
+	}
+
+	return sizeof(*md);
+}
+
 static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
 			  struct fl_flow_key *mask,
 			  struct netlink_ext_ack *extack)
@@ -958,6 +1076,11 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
 			  nla_len(tb[TCA_FLOWER_KEY_ENC_OPTS]), key_depth) {
 		switch (nla_type(nla_opt_key)) {
 		case TCA_FLOWER_KEY_ENC_OPTS_GENEVE:
+			if (key->enc_opts.dst_opt_type &&
+			    key->enc_opts.dst_opt_type != TUNNEL_GENEVE_OPT) {
+				NL_SET_ERR_MSG(extack, "Duplicate type for geneve options");
+				return -EINVAL;
+			}
 			option_len = 0;
 			key->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT;
 			option_len = fl_set_geneve_opt(nla_opt_key, key,
@@ -986,6 +1109,72 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
 			if (msk_depth)
 				nla_opt_msk = nla_next(nla_opt_msk, &msk_depth);
 			break;
+		case TCA_FLOWER_KEY_ENC_OPTS_VXLAN:
+			if (key->enc_opts.dst_opt_type) {
+				NL_SET_ERR_MSG(extack, "Duplicate type for vxlan options");
+				return -EINVAL;
+			}
+			option_len = 0;
+			key->enc_opts.dst_opt_type = TUNNEL_VXLAN_OPT;
+			option_len = fl_set_vxlan_opt(nla_opt_key, key,
+						      key_depth, option_len,
+						      extack);
+			if (option_len < 0)
+				return option_len;
+
+			key->enc_opts.len += option_len;
+			/* At the same time we need to parse through the mask
+			 * in order to verify exact and mask attribute lengths.
+			 */
+			mask->enc_opts.dst_opt_type = TUNNEL_VXLAN_OPT;
+			option_len = fl_set_vxlan_opt(nla_opt_msk, mask,
+						      msk_depth, option_len,
+						      extack);
+			if (option_len < 0)
+				return option_len;
+
+			mask->enc_opts.len += option_len;
+			if (key->enc_opts.len != mask->enc_opts.len) {
+				NL_SET_ERR_MSG(extack, "Key and mask miss aligned");
+				return -EINVAL;
+			}
+
+			if (msk_depth)
+				nla_opt_msk = nla_next(nla_opt_msk, &msk_depth);
+			break;
+		case TCA_FLOWER_KEY_ENC_OPTS_ERSPAN:
+			if (key->enc_opts.dst_opt_type) {
+				NL_SET_ERR_MSG(extack, "Duplicate type for erspan options");
+				return -EINVAL;
+			}
+			option_len = 0;
+			key->enc_opts.dst_opt_type = TUNNEL_ERSPAN_OPT;
+			option_len = fl_set_erspan_opt(nla_opt_key, key,
+						       key_depth, option_len,
+						       extack);
+			if (option_len < 0)
+				return option_len;
+
+			key->enc_opts.len += option_len;
+			/* At the same time we need to parse through the mask
+			 * in order to verify exact and mask attribute lengths.
+			 */
+			mask->enc_opts.dst_opt_type = TUNNEL_ERSPAN_OPT;
+			option_len = fl_set_erspan_opt(nla_opt_msk, mask,
+						       msk_depth, option_len,
+						       extack);
+			if (option_len < 0)
+				return option_len;
+
+			mask->enc_opts.len += option_len;
+			if (key->enc_opts.len != mask->enc_opts.len) {
+				NL_SET_ERR_MSG(extack, "Key and mask miss aligned");
+				return -EINVAL;
+			}
+
+			if (msk_depth)
+				nla_opt_msk = nla_next(nla_opt_msk, &msk_depth);
+			break;
 		default:
 			NL_SET_ERR_MSG(extack, "Unknown tunnel option type");
 			return -EINVAL;
@@ -2135,6 +2324,61 @@ nla_put_failure:
 	return -EMSGSIZE;
 }
 
+static int fl_dump_key_vxlan_opt(struct sk_buff *skb,
+				 struct flow_dissector_key_enc_opts *enc_opts)
+{
+	struct vxlan_metadata *md;
+	struct nlattr *nest;
+
+	nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_VXLAN);
+	if (!nest)
+		goto nla_put_failure;
+
+	md = (struct vxlan_metadata *)&enc_opts->data[0];
+	if (nla_put_u32(skb, TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP, md->gbp))
+		goto nla_put_failure;
+
+	nla_nest_end(skb, nest);
+	return 0;
+
+nla_put_failure:
+	nla_nest_cancel(skb, nest);
+	return -EMSGSIZE;
+}
+
+static int fl_dump_key_erspan_opt(struct sk_buff *skb,
+				  struct flow_dissector_key_enc_opts *enc_opts)
+{
+	struct erspan_metadata *md;
+	struct nlattr *nest;
+
+	nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_ERSPAN);
+	if (!nest)
+		goto nla_put_failure;
+
+	md = (struct erspan_metadata *)&enc_opts->data[0];
+	if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER, md->version))
+		goto nla_put_failure;
+
+	if (md->version == 1 &&
+	    nla_put_be32(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX, md->u.index))
+		goto nla_put_failure;
+
+	if (md->version == 2 &&
+	    (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR,
+			md->u.md2.dir) ||
+	     nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID,
+			get_hwid(&md->u.md2))))
+		goto nla_put_failure;
+
+	nla_nest_end(skb, nest);
+	return 0;
+
+nla_put_failure:
+	nla_nest_cancel(skb, nest);
+	return -EMSGSIZE;
+}
+
 static int fl_dump_key_ct(struct sk_buff *skb,
 			  struct flow_dissector_key_ct *key,
 			  struct flow_dissector_key_ct *mask)
@@ -2188,6 +2432,16 @@ static int fl_dump_key_options(struct sk_buff *skb, int enc_opt_type,
 		if (err)
 			goto nla_put_failure;
 		break;
+	case TUNNEL_VXLAN_OPT:
+		err = fl_dump_key_vxlan_opt(skb, enc_opts);
+		if (err)
+			goto nla_put_failure;
+		break;
+	case TUNNEL_ERSPAN_OPT:
+		err = fl_dump_key_erspan_opt(skb, enc_opts);
+		if (err)
+			goto nla_put_failure;
+		break;
 	default:
 		goto nla_put_failure;
 	}