#include <rte_ip.h>
#include <rte_tcp.h>
#include <rte_udp.h>
+#include <rte_vxlan.h>
#include <rte_sctp.h>
+#include <rte_gtp.h>
#include <rte_prefetch.h>
#include <rte_string_fns.h>
#include <rte_flow.h>
#include "testpmd.h"
#define IP_DEFTTL 64 /* from RFC 1340. */
-#define IP_VERSION 0x40
-#define IP_HDRLEN 0x05 /* default IP header length == five 32-bits words. */
-#define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
#define GRE_CHECKSUM_PRESENT 0x8000
#define GRE_KEY_PRESENT 0x2000
struct simple_gre_hdr {
uint16_t flags;
uint16_t proto;
-} __attribute__((__packed__));
+} __rte_packed;
static uint16_t
get_udptcp_checksum(void *l3_hdr, void *l4_hdr, uint16_t ethertype)
{
- if (ethertype == _htons(RTE_ETHER_TYPE_IPv4))
+ if (ethertype == _htons(RTE_ETHER_TYPE_IPV4))
return rte_ipv4_udptcp_cksum(l3_hdr, l4_hdr);
- else /* assume ethertype == RTE_ETHER_TYPE_IPv6 */
+ else /* assume ethertype == RTE_ETHER_TYPE_IPV6 */
return rte_ipv6_udptcp_cksum(l3_hdr, l4_hdr);
}
/*
* Parse an ethernet header to fill the ethertype, l2_len, l3_len and
- * ipproto. This function is able to recognize IPv4/IPv6 with one optional vlan
- * header. The l4_len argument is only set in case of TCP (useful for TSO).
+ * ipproto. This function is able to recognize IPv4/IPv6 with optional VLAN
+ * headers. The l4_len argument is only set in case of TCP (useful for TSO).
*/
static void
parse_ethernet(struct rte_ether_hdr *eth_hdr, struct testpmd_offload_info *info)
{
struct rte_ipv4_hdr *ipv4_hdr;
struct rte_ipv6_hdr *ipv6_hdr;
+ struct rte_vlan_hdr *vlan_hdr;
info->l2_len = sizeof(struct rte_ether_hdr);
info->ethertype = eth_hdr->ether_type;
- if (info->ethertype == _htons(RTE_ETHER_TYPE_VLAN)) {
- struct rte_vlan_hdr *vlan_hdr = (
- struct rte_vlan_hdr *)(eth_hdr + 1);
-
+ while (info->ethertype == _htons(RTE_ETHER_TYPE_VLAN) ||
+ info->ethertype == _htons(RTE_ETHER_TYPE_QINQ)) {
+ vlan_hdr = (struct rte_vlan_hdr *)
+ ((char *)eth_hdr + info->l2_len);
info->l2_len += sizeof(struct rte_vlan_hdr);
info->ethertype = vlan_hdr->eth_proto;
}
switch (info->ethertype) {
- case _htons(RTE_ETHER_TYPE_IPv4):
+ case _htons(RTE_ETHER_TYPE_IPV4):
ipv4_hdr = (struct rte_ipv4_hdr *)
((char *)eth_hdr + info->l2_len);
parse_ipv4(ipv4_hdr, info);
break;
- case _htons(RTE_ETHER_TYPE_IPv6):
+ case _htons(RTE_ETHER_TYPE_IPV6):
ipv6_hdr = (struct rte_ipv6_hdr *)
((char *)eth_hdr + info->l2_len);
parse_ipv6(ipv6_hdr, info);
}
}
+/*
+ * Parse a GTP protocol header.
+ * No optional fields and next extension header type.
+ */
+static void
+parse_gtp(struct rte_udp_hdr *udp_hdr,
+ struct testpmd_offload_info *info)
+{
+ struct rte_ipv4_hdr *ipv4_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr;
+ struct rte_gtp_hdr *gtp_hdr;
+ uint8_t gtp_len = sizeof(*gtp_hdr);
+ uint8_t ip_ver;
+
+ /* Check udp destination port. */
+ if (udp_hdr->dst_port != _htons(RTE_GTPC_UDP_PORT) &&
+ udp_hdr->src_port != _htons(RTE_GTPC_UDP_PORT) &&
+ udp_hdr->dst_port != _htons(RTE_GTPU_UDP_PORT))
+ return;
+
+ 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;
+ info->l2_len = 0;
+
+ gtp_hdr = (struct rte_gtp_hdr *)((char *)udp_hdr +
+ sizeof(struct rte_udp_hdr));
+
+ /*
+ * Check message type. If message type is 0xff, it is
+ * a GTP data packet. If not, it is a GTP control packet
+ */
+ if (gtp_hdr->msg_type == 0xff) {
+ ip_ver = *(uint8_t *)((char *)udp_hdr +
+ sizeof(struct rte_udp_hdr) +
+ sizeof(struct rte_gtp_hdr));
+ ip_ver = (ip_ver) & 0xf0;
+
+ if (ip_ver == RTE_GTP_TYPE_IPV4) {
+ ipv4_hdr = (struct rte_ipv4_hdr *)((char *)gtp_hdr +
+ gtp_len);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
+ parse_ipv4(ipv4_hdr, info);
+ } else if (ip_ver == RTE_GTP_TYPE_IPV6) {
+ ipv6_hdr = (struct rte_ipv6_hdr *)((char *)gtp_hdr +
+ gtp_len);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
+ parse_ipv6(ipv6_hdr, info);
+ }
+ } else {
+ info->ethertype = 0;
+ info->l4_len = 0;
+ info->l3_len = 0;
+ info->l4_proto = 0;
+ }
+
+ info->l2_len += RTE_ETHER_GTP_HLEN;
+}
+
/* Parse a vxlan header */
static void
parse_vxlan(struct rte_udp_hdr *udp_hdr,
vxlan_gpe_len);
parse_ipv4(ipv4_hdr, info);
- info->ethertype = _htons(RTE_ETHER_TYPE_IPv4);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
info->l2_len = 0;
} else if (vxlan_gpe_hdr->proto == RTE_VXLAN_GPE_TYPE_IPV6) {
ipv6_hdr = (struct rte_ipv6_hdr *)((char *)vxlan_gpe_hdr +
vxlan_gpe_len);
- info->ethertype = _htons(RTE_ETHER_TYPE_IPv6);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
parse_ipv6(ipv6_hdr, info);
info->l2_len = 0;
if (gre_hdr->flags & _htons(GRE_CHECKSUM_PRESENT))
gre_len += GRE_EXT_LEN;
- if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_IPv4)) {
+ if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_IPV4)) {
info->is_tunnel = 1;
info->outer_ethertype = info->ethertype;
info->outer_l2_len = info->l2_len;
ipv4_hdr = (struct rte_ipv4_hdr *)((char *)gre_hdr + gre_len);
parse_ipv4(ipv4_hdr, info);
- info->ethertype = _htons(RTE_ETHER_TYPE_IPv4);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
info->l2_len = 0;
- } else if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_IPv6)) {
+ } else if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_IPV6)) {
info->is_tunnel = 1;
info->outer_ethertype = info->ethertype;
info->outer_l2_len = info->l2_len;
ipv6_hdr = (struct rte_ipv6_hdr *)((char *)gre_hdr + gre_len);
- info->ethertype = _htons(RTE_ETHER_TYPE_IPv6);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
parse_ipv6(ipv6_hdr, info);
info->l2_len = 0;
if (ip_version == 4) {
parse_ipv4(ipv4_hdr, info);
- info->ethertype = _htons(RTE_ETHER_TYPE_IPv4);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
} else {
parse_ipv6(ipv6_hdr, info);
- info->ethertype = _htons(RTE_ETHER_TYPE_IPv6);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
}
info->l2_len = 0;
}
tso_segsz = info->tunnel_tso_segsz;
}
- if (info->ethertype == _htons(RTE_ETHER_TYPE_IPv4)) {
+ if (info->ethertype == _htons(RTE_ETHER_TYPE_IPV4)) {
ipv4_hdr = l3_hdr;
ipv4_hdr->hdr_checksum = 0;
ipv4_hdr->hdr_checksum =
rte_ipv4_cksum(ipv4_hdr);
}
- } else if (info->ethertype == _htons(RTE_ETHER_TYPE_IPv6))
+ } else if (info->ethertype == _htons(RTE_ETHER_TYPE_IPV6))
ol_flags |= PKT_TX_IPV6;
else
return 0; /* packet type not supported, nothing to do */
struct rte_udp_hdr *udp_hdr;
uint64_t ol_flags = 0;
- if (info->outer_ethertype == _htons(RTE_ETHER_TYPE_IPv4)) {
+ if (info->outer_ethertype == _htons(RTE_ETHER_TYPE_IPV4)) {
ipv4_hdr->hdr_checksum = 0;
ol_flags |= PKT_TX_OUTER_IPV4;
if (info->outer_l4_proto != IPPROTO_UDP)
return ol_flags;
+ udp_hdr = (struct rte_udp_hdr *)
+ ((char *)outer_l3_hdr + info->outer_l3_len);
+
+ if (tso_enabled)
+ ol_flags |= PKT_TX_TCP_SEG;
+
/* Skip SW outer UDP checksum generation if HW supports it */
if (tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) {
+ if (info->outer_ethertype == _htons(RTE_ETHER_TYPE_IPV4))
+ udp_hdr->dgram_cksum
+ = rte_ipv4_phdr_cksum(ipv4_hdr, ol_flags);
+ else
+ udp_hdr->dgram_cksum
+ = rte_ipv6_phdr_cksum(ipv6_hdr, ol_flags);
+
ol_flags |= PKT_TX_OUTER_UDP_CKSUM;
return ol_flags;
}
- udp_hdr = (struct rte_udp_hdr *)
- ((char *)outer_l3_hdr + info->outer_l3_len);
-
/* outer UDP checksum is done in software. In the other side, for
* UDP tunneling, like VXLAN or Geneve, outer UDP checksum can be
* set to zero.
/* do not recalculate udp cksum if it was 0 */
if (udp_hdr->dgram_cksum != 0) {
udp_hdr->dgram_cksum = 0;
- if (info->outer_ethertype == _htons(RTE_ETHER_TYPE_IPv4))
+ if (info->outer_ethertype == _htons(RTE_ETHER_TYPE_IPV4))
udp_hdr->dgram_cksum =
rte_ipv4_udptcp_cksum(ipv4_hdr, udp_hdr);
else
* UDP|TCP|SCTP
* Ether / (vlan) / outer IP|IP6 / outer UDP / VXLAN-GPE / IP|IP6 /
* UDP|TCP|SCTP
+ * Ether / (vlan) / outer IP / outer UDP / GTP / 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
/* receive a burst of packet */
nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
nb_pkt_per_burst);
- if (unlikely(nb_rx == 0))
- return;
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
#endif
+ if (unlikely(nb_rx == 0))
+ return;
+
fs->rx_packets += nb_rx;
rx_bad_ip_csum = 0;
rx_bad_l4_csum = 0;
udp_hdr = (struct rte_udp_hdr *)
((char *)l3_hdr + info.l3_len);
+ parse_gtp(udp_hdr, &info);
+ if (info.is_tunnel) {
+ tx_ol_flags |= PKT_TX_TUNNEL_GTP;
+ goto tunnel_update;
+ }
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;
+ tx_ol_flags |=
+ PKT_TX_TUNNEL_VXLAN_GPE;
+ goto tunnel_update;
}
+ 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;
}
}
+tunnel_update:
/* update l3_hdr and outer_l3_hdr if a tunnel was parsed */
if (info.is_tunnel) {
outer_l3_hdr = l3_hdr;
git.droids-corp.org / dpdk.git / blobdiff