-/*-
- * 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)
* depending on the testpmd command line configuration */
static uint64_t
process_inner_cksums(void *l3_hdr, const struct testpmd_offload_info *info,
- uint16_t testpmd_ol_flags)
+ uint64_t tx_offloads)
{
struct ipv4_hdr *ipv4_hdr = l3_hdr;
struct udp_hdr *udp_hdr;
if (info->l4_proto == IPPROTO_TCP && tso_segsz) {
ol_flags |= PKT_TX_IP_CKSUM;
} else {
- if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_IP_CKSUM)
+ if (tx_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM)
ol_flags |= PKT_TX_IP_CKSUM;
else
ipv4_hdr->hdr_checksum =
/* do not recalculate udp cksum if it was 0 */
if (udp_hdr->dgram_cksum != 0) {
udp_hdr->dgram_cksum = 0;
- if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_UDP_CKSUM)
+ if (tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM)
ol_flags |= PKT_TX_UDP_CKSUM;
else {
udp_hdr->dgram_cksum =
tcp_hdr->cksum = 0;
if (tso_segsz)
ol_flags |= PKT_TX_TCP_SEG;
- else if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_TCP_CKSUM)
+ else if (tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM)
ol_flags |= PKT_TX_TCP_CKSUM;
else {
tcp_hdr->cksum =
sctp_hdr->cksum = 0;
/* sctp payload must be a multiple of 4 to be
* offloaded */
- if ((testpmd_ol_flags & TESTPMD_TX_OFFLOAD_SCTP_CKSUM) &&
+ if ((tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) &&
((ipv4_hdr->total_length & 0x3) == 0)) {
ol_flags |= PKT_TX_SCTP_CKSUM;
} else {
/* Calculate the checksum of outer header */
static uint64_t
process_outer_cksums(void *outer_l3_hdr, struct testpmd_offload_info *info,
- uint16_t testpmd_ol_flags, int tso_enabled)
+ uint64_t tx_offloads, int tso_enabled)
{
struct ipv4_hdr *ipv4_hdr = outer_l3_hdr;
struct ipv6_hdr *ipv6_hdr = outer_l3_hdr;
ipv4_hdr->hdr_checksum = 0;
ol_flags |= PKT_TX_OUTER_IPV4;
- if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_OUTER_IP_CKSUM)
+ if (tx_offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
ol_flags |= PKT_TX_OUTER_IP_CKSUM;
else
ipv4_hdr->hdr_checksum = rte_ipv4_cksum(ipv4_hdr);
* 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
uint16_t nb_prep;
uint16_t i;
uint64_t rx_ol_flags, tx_ol_flags;
- uint16_t testpmd_ol_flags;
+ uint64_t tx_offloads;
uint32_t retry;
uint32_t rx_bad_ip_csum;
uint32_t rx_bad_l4_csum;
gro_enable = gro_ports[fs->rx_port].enable;
txp = &ports[fs->tx_port];
- testpmd_ol_flags = txp->tx_ol_flags;
+ tx_offloads = txp->dev_conf.txmode.offloads;
memset(&info, 0, sizeof(info));
info.tso_segsz = txp->tso_segsz;
info.tunnel_tso_segsz = txp->tunnel_tso_segsz;
l3_hdr = (char *)eth_hdr + info.l2_len;
/* check if it's a supported tunnel */
- if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_PARSE_TUNNEL) {
+ if (txp->parse_tunnel) {
if (info.l4_proto == IPPROTO_UDP) {
struct udp_hdr *udp_hdr;
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;
/* process checksums of inner headers first */
tx_ol_flags |= process_inner_cksums(l3_hdr, &info,
- testpmd_ol_flags);
+ tx_offloads);
/* Then process outer headers if any. Note that the software
* checksum will be wrong if one of the inner checksums is
* processed in hardware. */
if (info.is_tunnel == 1) {
tx_ol_flags |= process_outer_cksums(outer_l3_hdr, &info,
- testpmd_ol_flags,
+ tx_offloads,
!!(tx_ol_flags & PKT_TX_TCP_SEG));
}
if (info.is_tunnel == 1) {
if (info.tunnel_tso_segsz ||
- (testpmd_ol_flags &
- TESTPMD_TX_OFFLOAD_OUTER_IP_CKSUM) ||
+ (tx_offloads &
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
(tx_ol_flags & PKT_TX_OUTER_IPV6)) {
m->outer_l2_len = info.outer_l2_len;
m->outer_l3_len = info.outer_l3_len;
rte_be_to_cpu_16(info.outer_ethertype),
info.outer_l3_len);
/* dump tx packet info */
- if ((testpmd_ol_flags & (TESTPMD_TX_OFFLOAD_IP_CKSUM |
- TESTPMD_TX_OFFLOAD_UDP_CKSUM |
- TESTPMD_TX_OFFLOAD_TCP_CKSUM |
- TESTPMD_TX_OFFLOAD_SCTP_CKSUM)) ||
+ if ((tx_offloads & (DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM |
+ DEV_TX_OFFLOAD_SCTP_CKSUM)) ||
info.tso_segsz != 0)
printf("tx: m->l2_len=%d m->l3_len=%d "
"m->l4_len=%d\n",
m->l2_len, m->l3_len, m->l4_len);
if (info.is_tunnel == 1) {
- if ((testpmd_ol_flags &
- TESTPMD_TX_OFFLOAD_OUTER_IP_CKSUM) ||
+ if ((tx_offloads &
+ DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ||
(tx_ol_flags & PKT_TX_OUTER_IPV6))
printf("tx: m->outer_l2_len=%d "
"m->outer_l3_len=%d\n",