-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * Copyright 2014 6WIND S.A.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation.
+ * Copyright 2014 6WIND S.A.
*/
#include <stdarg.h>
#define _htons(x) (x)
#endif
+uint16_t vxlan_gpe_udp_port = 4790;
+
/* structure that caches offload info for the current packet */
struct testpmd_offload_info {
uint16_t ethertype;
info->l2_len += ETHER_VXLAN_HLEN; /* add udp + vxlan */
}
+/* Parse a vxlan-gpe header */
+static void
+parse_vxlan_gpe(struct udp_hdr *udp_hdr,
+ struct testpmd_offload_info *info)
+{
+ struct ether_hdr *eth_hdr;
+ struct ipv4_hdr *ipv4_hdr;
+ struct ipv6_hdr *ipv6_hdr;
+ struct vxlan_gpe_hdr *vxlan_gpe_hdr;
+ uint8_t vxlan_gpe_len = sizeof(*vxlan_gpe_hdr);
+
+ /* Check udp destination port. */
+ if (udp_hdr->dst_port != _htons(vxlan_gpe_udp_port))
+ return;
+
+ vxlan_gpe_hdr = (struct vxlan_gpe_hdr *)((char *)udp_hdr +
+ sizeof(struct udp_hdr));
+
+ if (!vxlan_gpe_hdr->proto || vxlan_gpe_hdr->proto ==
+ VXLAN_GPE_TYPE_IPV4) {
+ info->is_tunnel = 1;
+ info->outer_ethertype = info->ethertype;
+ info->outer_l2_len = info->l2_len;
+ info->outer_l3_len = info->l3_len;
+ info->outer_l4_proto = info->l4_proto;
+
+ ipv4_hdr = (struct ipv4_hdr *)((char *)vxlan_gpe_hdr +
+ vxlan_gpe_len);
+
+ parse_ipv4(ipv4_hdr, info);
+ info->ethertype = _htons(ETHER_TYPE_IPv4);
+ info->l2_len = 0;
+
+ } else if (vxlan_gpe_hdr->proto == VXLAN_GPE_TYPE_IPV6) {
+ info->is_tunnel = 1;
+ info->outer_ethertype = info->ethertype;
+ info->outer_l2_len = info->l2_len;
+ info->outer_l3_len = info->l3_len;
+ info->outer_l4_proto = info->l4_proto;
+
+ ipv6_hdr = (struct ipv6_hdr *)((char *)vxlan_gpe_hdr +
+ vxlan_gpe_len);
+
+ info->ethertype = _htons(ETHER_TYPE_IPv6);
+ parse_ipv6(ipv6_hdr, info);
+ info->l2_len = 0;
+
+ } else if (vxlan_gpe_hdr->proto == VXLAN_GPE_TYPE_ETH) {
+ info->is_tunnel = 1;
+ info->outer_ethertype = info->ethertype;
+ info->outer_l2_len = info->l2_len;
+ info->outer_l3_len = info->l3_len;
+ info->outer_l4_proto = info->l4_proto;
+
+ eth_hdr = (struct ether_hdr *)((char *)vxlan_gpe_hdr +
+ vxlan_gpe_len);
+
+ parse_ethernet(eth_hdr, info);
+ } else
+ return;
+
+ info->l2_len += ETHER_VXLAN_GPE_HLEN;
+}
+
/* Parse a gre header */
static void
parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
* Ether / (vlan) / IP|IP6 / UDP|TCP|SCTP .
* Ether / (vlan) / outer IP|IP6 / outer UDP / VxLAN / Ether / IP|IP6 /
* UDP|TCP|SCTP
+ * Ether / (vlan) / outer IP|IP6 / outer UDP / VXLAN-GPE / Ether / IP|IP6 /
+ * UDP|TCP|SCTP
+ * Ether / (vlan) / outer IP|IP6 / outer UDP / VXLAN-GPE / IP|IP6 /
+ * UDP|TCP|SCTP
* Ether / (vlan) / outer IP|IP6 / GRE / Ether / IP|IP6 / UDP|TCP|SCTP
* Ether / (vlan) / outer IP|IP6 / GRE / IP|IP6 / UDP|TCP|SCTP
* Ether / (vlan) / outer IP|IP6 / IP|IP6 / UDP|TCP|SCTP
udp_hdr = (struct udp_hdr *)((char *)l3_hdr +
info.l3_len);
- parse_vxlan(udp_hdr, &info, m->packet_type);
- if (info.is_tunnel)
- tx_ol_flags |= PKT_TX_TUNNEL_VXLAN;
+ parse_vxlan_gpe(udp_hdr, &info);
+ if (info.is_tunnel) {
+ tx_ol_flags |= PKT_TX_TUNNEL_VXLAN_GPE;
+ } else {
+ parse_vxlan(udp_hdr, &info,
+ m->packet_type);
+ if (info.is_tunnel)
+ tx_ol_flags |=
+ PKT_TX_TUNNEL_VXLAN;
+ }
} else if (info.l4_proto == IPPROTO_GRE) {
struct simple_gre_hdr *gre_hdr;
git.droids-corp.org / dpdk.git / blobdiff