net/iavf: support PPPoL2TPv2oUDP RSS Hash

Add support for PPP over L2TPv2 over UDP protocol RSS Hash based
on inner IP src/dst address and TCP/UDP src/dst port.

Patterns are listed below:
eth/ipv4(6)/udp/l2tpv2/ppp/ipv4(6)
eth/ipv4(6)/udp/l2tpv2/ppp/ipv4(6)/udp
eth/ipv4(6)/udp/l2tpv2/ppp/ipv4(6)/tcp

Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>
Signed-off-by: Jie Wang <jie1x.wang@intel.com>
Acked-by: Beilei Xing <beilei.xing@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/doc/guides/nics/features/iavf.ini b/doc/guides/nics/features/iavf.ini
index d00ca93..a916275 100644 (file)
--- a/doc/guides/nics/features/iavf.ini
+++ b/doc/guides/nics/features/iavf.ini
@@ -50,8 +50,10 @@ icmp6                = Y
 ipv4                 = Y
 ipv6                 = Y
 ipv6_frag_ext        = Y
+l2tpv2               = Y
 l2tpv3oip            = Y
 pfcp                 = Y
+ppp                  = Y
 sctp                 = Y
 tcp                  = Y
 udp                  = Y

diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst
index 75e5a60..b86733c 100644 (file)
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst
@@ -152,6 +152,7 @@ New Features
 
   * Added Intel iavf support on Windows.
   * Added IPv4 and L4 (TCP/UDP/SCTP) checksum hash support in RSS flow.
+  * Added PPPoL2TPv2oUDP RSS hash based on inner IP address and TCP/UDP port.
 
 * **Updated Intel ice driver.**
 

diff --git a/drivers/net/iavf/iavf_generic_flow.c b/drivers/net/iavf/iavf_generic_flow.c
index b86d99e..364904f 100644 (file)
--- a/drivers/net/iavf/iavf_generic_flow.c
+++ b/drivers/net/iavf/iavf_generic_flow.c
@@ -1611,6 +1611,137 @@ enum rte_flow_item_type iavf_pattern_eth_ipv6_gre_ipv6_udp[] = {
        RTE_FLOW_ITEM_TYPE_END,
 };
 
+/* PPPoL2TPv2oUDP */
+enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_udp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_tcp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_TCP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_udp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_tcp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_TCP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_udp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_tcp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV4,
+       RTE_FLOW_ITEM_TYPE_TCP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_udp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_tcp[] = {
+       RTE_FLOW_ITEM_TYPE_ETH,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_UDP,
+       RTE_FLOW_ITEM_TYPE_L2TPV2,
+       RTE_FLOW_ITEM_TYPE_PPP,
+       RTE_FLOW_ITEM_TYPE_IPV6,
+       RTE_FLOW_ITEM_TYPE_TCP,
+       RTE_FLOW_ITEM_TYPE_END,
+};
+
+
+
 typedef struct iavf_flow_engine * (*parse_engine_t)(struct iavf_adapter *ad,
                struct rte_flow *flow,
                struct iavf_parser_list *parser_list,

diff --git a/drivers/net/iavf/iavf_generic_flow.h b/drivers/net/iavf/iavf_generic_flow.h
index 4794d1f..f2b54e1 100644 (file)
--- a/drivers/net/iavf/iavf_generic_flow.h
+++ b/drivers/net/iavf/iavf_generic_flow.h
@@ -410,6 +410,21 @@ extern enum rte_flow_item_type iavf_pattern_eth_ipv6_gre_ipv6_tcp[];
 extern enum rte_flow_item_type iavf_pattern_eth_ipv6_gre_ipv4_udp[];
 extern enum rte_flow_item_type iavf_pattern_eth_ipv6_gre_ipv6_udp[];
 
+/* PPPoL2TPv2oUDP */
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_udp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_tcp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_udp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_tcp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_udp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_tcp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_udp[];
+extern enum rte_flow_item_type iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_tcp[];
+
+
 extern const struct rte_flow_ops iavf_flow_ops;
 
 /* pattern structure */

diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index 1f2d377..01724cd 100644 (file)
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -34,6 +34,8 @@
 /* the second IP header of GTPoGRE */
 #define IAVF_PHINT_MID_IPV4                    BIT_ULL(7)
 #define IAVF_PHINT_MID_IPV6                    BIT_ULL(8)
+/* L2TPv2 */
+#define IAVF_PHINT_L2TPV2                      BIT_ULL(9)
 
 #define IAVF_PHINT_GTPU_MSK    (IAVF_PHINT_GTPU        | \
                                 IAVF_PHINT_GTPU_EH     | \
@@ -164,6 +166,12 @@ iavf_hash_parse_pattern_action(struct iavf_adapter *ad,
        VIRTCHNL_PROTO_HDR_ECPRI, \
        FIELD_SELECTOR(VIRTCHNL_PROTO_HDR_ECPRI_PC_RTC_ID), {BUFF_NOUSED} }
 
+#define proto_hdr_l2tpv2 { \
+       VIRTCHNL_PROTO_HDR_L2TPV2, 0, {BUFF_NOUSED} }
+
+#define proto_hdr_ppp { \
+       VIRTCHNL_PROTO_HDR_PPP, 0, {BUFF_NOUSED} }
+
 #define TUNNEL_LEVEL_OUTER             0
 #define TUNNEL_LEVEL_INNER             1
 
@@ -338,6 +346,52 @@ struct virtchnl_proto_hdrs ipv4_ecpri_tmplt = {
        TUNNEL_LEVEL_OUTER, 3, {proto_hdr_ipv4, proto_hdr_udp, proto_hdr_ecpri}
 };
 
+struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv4_tmplt = {
+       TUNNEL_LEVEL_INNER, 3,
+       {proto_hdr_l2tpv2,
+        proto_hdr_ppp,
+        proto_hdr_ipv4}
+};
+
+struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv6_tmplt = {
+       TUNNEL_LEVEL_INNER, 3,
+       {proto_hdr_l2tpv2,
+        proto_hdr_ppp,
+        proto_hdr_ipv6}
+};
+
+struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv4_udp_tmplt = {
+       TUNNEL_LEVEL_INNER, 4,
+       {proto_hdr_l2tpv2,
+        proto_hdr_ppp,
+        proto_hdr_ipv4_with_prot,
+        proto_hdr_udp}
+};
+
+struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv4_tcp_tmplt = {
+       TUNNEL_LEVEL_INNER, 4,
+       {proto_hdr_l2tpv2,
+        proto_hdr_ppp,
+        proto_hdr_ipv4_with_prot,
+        proto_hdr_tcp}
+};
+
+struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv6_udp_tmplt = {
+       TUNNEL_LEVEL_INNER, 4,
+       {proto_hdr_l2tpv2,
+        proto_hdr_ppp,
+        proto_hdr_ipv6_with_prot,
+        proto_hdr_udp}
+};
+
+struct virtchnl_proto_hdrs udp_l2tpv2_ppp_ipv6_tcp_tmplt = {
+       TUNNEL_LEVEL_INNER, 4,
+       {proto_hdr_l2tpv2,
+        proto_hdr_ppp,
+        proto_hdr_ipv6_with_prot,
+        proto_hdr_tcp}
+};
+
 /* rss type super set */
 
 /* IPv4 outer */
@@ -493,6 +547,13 @@ static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
        {iavf_pattern_eth_ipv6_gre_ipv4_tcp,    IAVF_RSS_TYPE_INNER_IPV4_TCP, &inner_ipv4_tcp_tmplt},
        {iavf_pattern_eth_ipv4_gre_ipv4_udp,    IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
        {iavf_pattern_eth_ipv6_gre_ipv4_udp,    IAVF_RSS_TYPE_INNER_IPV4_UDP, &inner_ipv4_udp_tmplt},
+       {iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4,     IAVF_RSS_TYPE_INNER_IPV4,       &udp_l2tpv2_ppp_ipv4_tmplt},
+       {iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_udp, IAVF_RSS_TYPE_INNER_IPV4_UDP,   &udp_l2tpv2_ppp_ipv4_udp_tmplt},
+       {iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv4_tcp, IAVF_RSS_TYPE_INNER_IPV4_TCP,   &udp_l2tpv2_ppp_ipv4_tcp_tmplt},
+       {iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4,     IAVF_RSS_TYPE_INNER_IPV4,       &udp_l2tpv2_ppp_ipv4_tmplt},
+       {iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_udp, IAVF_RSS_TYPE_INNER_IPV4_UDP,   &udp_l2tpv2_ppp_ipv4_udp_tmplt},
+       {iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv4_tcp, IAVF_RSS_TYPE_INNER_IPV4_TCP,   &udp_l2tpv2_ppp_ipv4_tcp_tmplt},
+
        /* IPv6 */
        {iavf_pattern_eth_ipv6,                         IAVF_RSS_TYPE_OUTER_IPV6,       &outer_ipv6_tmplt},
        {iavf_pattern_eth_ipv6_frag_ext,                IAVF_RSS_TYPE_OUTER_IPV6_FRAG,  &outer_ipv6_frag_tmplt},
@@ -553,6 +614,13 @@ static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
        {iavf_pattern_eth_ipv6_gre_ipv6_tcp,    IAVF_RSS_TYPE_INNER_IPV6_TCP, &inner_ipv6_tcp_tmplt},
        {iavf_pattern_eth_ipv4_gre_ipv6_udp,    IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
        {iavf_pattern_eth_ipv6_gre_ipv6_udp,    IAVF_RSS_TYPE_INNER_IPV6_UDP, &inner_ipv6_udp_tmplt},
+       {iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6,     IAVF_RSS_TYPE_INNER_IPV6,       &udp_l2tpv2_ppp_ipv6_tmplt},
+       {iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_udp, IAVF_RSS_TYPE_INNER_IPV6_UDP,   &udp_l2tpv2_ppp_ipv6_udp_tmplt},
+       {iavf_pattern_eth_ipv4_udp_l2tpv2_ppp_ipv6_tcp, IAVF_RSS_TYPE_INNER_IPV6_TCP,   &udp_l2tpv2_ppp_ipv6_tcp_tmplt},
+       {iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6,     IAVF_RSS_TYPE_INNER_IPV6,       &udp_l2tpv2_ppp_ipv6_tmplt},
+       {iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_udp, IAVF_RSS_TYPE_INNER_IPV6_UDP,   &udp_l2tpv2_ppp_ipv6_udp_tmplt},
+       {iavf_pattern_eth_ipv6_udp_l2tpv2_ppp_ipv6_tcp, IAVF_RSS_TYPE_INNER_IPV6_TCP,   &udp_l2tpv2_ppp_ipv6_tcp_tmplt},
+
 };
 
 static struct iavf_flow_engine iavf_hash_engine = {
@@ -687,13 +755,17 @@ iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
 
                switch (item->type) {
                case RTE_FLOW_ITEM_TYPE_IPV4:
-                       if (!(*phint & IAVF_PHINT_GTPU_MSK) && !(*phint & IAVF_PHINT_GRE))
+                       if (!(*phint & IAVF_PHINT_GTPU_MSK) &&
+                           !(*phint & IAVF_PHINT_GRE) &&
+                           !(*phint & IAVF_PHINT_L2TPV2))
                                *phint |= IAVF_PHINT_OUTER_IPV4;
                        if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
                                *phint |= IAVF_PHINT_MID_IPV4;
                        break;
                case RTE_FLOW_ITEM_TYPE_IPV6:
-                       if (!(*phint & IAVF_PHINT_GTPU_MSK) && !(*phint & IAVF_PHINT_GRE))
+                       if (!(*phint & IAVF_PHINT_GTPU_MSK) &&
+                           !(*phint & IAVF_PHINT_GRE) &&
+                           !(*phint & IAVF_PHINT_L2TPV2))
                                *phint |= IAVF_PHINT_OUTER_IPV6;
                        if ((*phint & IAVF_PHINT_GRE) && !(*phint & IAVF_PHINT_GTPU_MSK))
                                *phint |= IAVF_PHINT_MID_IPV6;
@@ -728,6 +800,10 @@ iavf_hash_parse_pattern(const struct rte_flow_item pattern[], uint64_t *phint,
                        break;
                case RTE_FLOW_ITEM_TYPE_GRE:
                        *phint |= IAVF_PHINT_GRE;
+                       break;
+               case RTE_FLOW_ITEM_TYPE_L2TPV2:
+                       *phint |= IAVF_PHINT_L2TPV2;
+                       break;
                default:
                        break;
                }
@@ -1050,12 +1126,40 @@ iavf_refine_proto_hdrs_by_pattern(struct virtchnl_proto_hdrs *proto_hdrs,
        proto_hdrs->tunnel_level = tun_lvl;
 }
 
+static void
+iavf_refine_proto_hdrs_l2tpv2(struct virtchnl_proto_hdrs *proto_hdrs,
+                             uint64_t phint)
+{
+       struct virtchnl_proto_hdr *hdr1;
+       int i;
+
+       if (!(phint & IAVF_PHINT_L2TPV2))
+               return;
+
+       if (proto_hdrs->tunnel_level == TUNNEL_LEVEL_INNER) {
+               /* shift headers layer */
+               for (i = proto_hdrs->count - 1 + 1; i > 0; i--)
+                       proto_hdrs->proto_hdr[i] = proto_hdrs->proto_hdr[i - 1];
+
+               /* adding outer ip header at layer 0 */
+               hdr1 = &proto_hdrs->proto_hdr[0];
+               hdr1->field_selector = 0;
+               proto_hdrs->count++;
+               proto_hdrs->tunnel_level = TUNNEL_LEVEL_OUTER;
+               if (phint & IAVF_PHINT_OUTER_IPV4)
+                       VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV4);
+               else if (phint & IAVF_PHINT_OUTER_IPV6)
+                       VIRTCHNL_SET_PROTO_HDR_TYPE(hdr1, IPV6);
+       }
+}
+
 static void iavf_refine_proto_hdrs(struct virtchnl_proto_hdrs *proto_hdrs,
                                   uint64_t rss_type, uint64_t phint)
 {
        iavf_refine_proto_hdrs_l234(proto_hdrs, rss_type);
        iavf_refine_proto_hdrs_by_pattern(proto_hdrs, phint);
        iavf_refine_proto_hdrs_gtpu(proto_hdrs, rss_type);
+       iavf_refine_proto_hdrs_l2tpv2(proto_hdrs, phint);
 }
 
 static uint64_t invalid_rss_comb[] = {