-/*-
- * 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>
#include <rte_cycles.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
-#include <rte_memory.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
-#include <rte_memcpy.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
#include <rte_ether.h>
#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 <rte_gro.h>
+#include <rte_gso.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_KEY_PRESENT 0x2000
-#define GRE_KEY_LEN 4
-#define GRE_SUPPORTED_FIELDS GRE_KEY_PRESENT
+#define GRE_CHECKSUM_PRESENT 0x8000
+#define GRE_KEY_PRESENT 0x2000
+#define GRE_SEQUENCE_PRESENT 0x1000
+#define GRE_EXT_LEN 4
+#define GRE_SUPPORTED_FIELDS (GRE_CHECKSUM_PRESENT | GRE_KEY_PRESENT |\
+ GRE_SEQUENCE_PRESENT)
/* We cannot use rte_cpu_to_be_16() on a constant in a switch/case */
#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
#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;
+ uint8_t gso_enable;
uint16_t l2_len;
uint16_t l3_len;
uint16_t l4_len;
uint8_t outer_l4_proto;
uint16_t tso_segsz;
uint16_t tunnel_tso_segsz;
+ uint32_t pkt_len;
};
/* simplified GRE header */
struct simple_gre_hdr {
uint16_t flags;
uint16_t proto;
-} __attribute__((__packed__));
-
-static uint16_t
-get_psd_sum(void *l3_hdr, uint16_t ethertype, uint64_t ol_flags)
-{
- if (ethertype == _htons(ETHER_TYPE_IPv4))
- return rte_ipv4_phdr_cksum(l3_hdr, ol_flags);
- else /* assume ethertype == ETHER_TYPE_IPv6 */
- return rte_ipv6_phdr_cksum(l3_hdr, ol_flags);
-}
+} __rte_packed;
static uint16_t
get_udptcp_checksum(void *l3_hdr, void *l4_hdr, uint16_t ethertype)
{
- if (ethertype == _htons(ETHER_TYPE_IPv4))
+ if (ethertype == _htons(RTE_ETHER_TYPE_IPV4))
return rte_ipv4_udptcp_cksum(l3_hdr, l4_hdr);
- else /* assume ethertype == ETHER_TYPE_IPv6 */
+ else /* assume ethertype == RTE_ETHER_TYPE_IPV6 */
return rte_ipv6_udptcp_cksum(l3_hdr, l4_hdr);
}
/* Parse an IPv4 header to fill l3_len, l4_len, and l4_proto */
static void
-parse_ipv4(struct ipv4_hdr *ipv4_hdr, struct testpmd_offload_info *info)
+parse_ipv4(struct rte_ipv4_hdr *ipv4_hdr, struct testpmd_offload_info *info)
{
- struct tcp_hdr *tcp_hdr;
+ struct rte_tcp_hdr *tcp_hdr;
info->l3_len = (ipv4_hdr->version_ihl & 0x0f) * 4;
info->l4_proto = ipv4_hdr->next_proto_id;
/* only fill l4_len for TCP, it's useful for TSO */
if (info->l4_proto == IPPROTO_TCP) {
- tcp_hdr = (struct tcp_hdr *)((char *)ipv4_hdr + info->l3_len);
+ tcp_hdr = (struct rte_tcp_hdr *)
+ ((char *)ipv4_hdr + info->l3_len);
info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
- } else
+ } else if (info->l4_proto == IPPROTO_UDP)
+ info->l4_len = sizeof(struct rte_udp_hdr);
+ else
info->l4_len = 0;
}
/* Parse an IPv6 header to fill l3_len, l4_len, and l4_proto */
static void
-parse_ipv6(struct ipv6_hdr *ipv6_hdr, struct testpmd_offload_info *info)
+parse_ipv6(struct rte_ipv6_hdr *ipv6_hdr, struct testpmd_offload_info *info)
{
- struct tcp_hdr *tcp_hdr;
+ struct rte_tcp_hdr *tcp_hdr;
- info->l3_len = sizeof(struct ipv6_hdr);
+ info->l3_len = sizeof(struct rte_ipv6_hdr);
info->l4_proto = ipv6_hdr->proto;
/* only fill l4_len for TCP, it's useful for TSO */
if (info->l4_proto == IPPROTO_TCP) {
- tcp_hdr = (struct tcp_hdr *)((char *)ipv6_hdr + info->l3_len);
+ tcp_hdr = (struct rte_tcp_hdr *)
+ ((char *)ipv6_hdr + info->l3_len);
info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
- } else
+ } else if (info->l4_proto == IPPROTO_UDP)
+ info->l4_len = sizeof(struct rte_udp_hdr);
+ else
info->l4_len = 0;
}
/*
* 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 ether_hdr *eth_hdr, struct testpmd_offload_info *info)
+parse_ethernet(struct rte_ether_hdr *eth_hdr, struct testpmd_offload_info *info)
{
- struct ipv4_hdr *ipv4_hdr;
- struct ipv6_hdr *ipv6_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr;
+ struct rte_vlan_hdr *vlan_hdr;
- info->l2_len = sizeof(struct ether_hdr);
+ info->l2_len = sizeof(struct rte_ether_hdr);
info->ethertype = eth_hdr->ether_type;
- if (info->ethertype == _htons(ETHER_TYPE_VLAN)) {
- struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
-
- info->l2_len += sizeof(struct vlan_hdr);
+ 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(ETHER_TYPE_IPv4):
- ipv4_hdr = (struct ipv4_hdr *) ((char *)eth_hdr + info->l2_len);
+ 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(ETHER_TYPE_IPv6):
- ipv6_hdr = (struct ipv6_hdr *) ((char *)eth_hdr + info->l2_len);
+ case _htons(RTE_ETHER_TYPE_IPV6):
+ ipv6_hdr = (struct rte_ipv6_hdr *)
+ ((char *)eth_hdr + info->l2_len);
parse_ipv6(ipv6_hdr, info);
break;
default:
}
}
+/*
+ * 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 udp_hdr *udp_hdr,
+parse_vxlan(struct rte_udp_hdr *udp_hdr,
struct testpmd_offload_info *info,
uint32_t pkt_type)
{
- struct ether_hdr *eth_hdr;
+ struct rte_ether_hdr *eth_hdr;
/* check udp destination port, 4789 is the default vxlan port
* (rfc7348) or that the rx offload flag is set (i40e only
info->outer_l3_len = info->l3_len;
info->outer_l4_proto = info->l4_proto;
- eth_hdr = (struct ether_hdr *)((char *)udp_hdr +
- sizeof(struct udp_hdr) +
- sizeof(struct vxlan_hdr));
+ eth_hdr = (struct rte_ether_hdr *)((char *)udp_hdr +
+ sizeof(struct rte_udp_hdr) +
+ sizeof(struct rte_vxlan_hdr));
parse_ethernet(eth_hdr, info);
- info->l2_len += ETHER_VXLAN_HLEN; /* add udp + vxlan */
+ info->l2_len += RTE_ETHER_VXLAN_HLEN; /* add udp + vxlan */
+}
+
+/* Parse a vxlan-gpe header */
+static void
+parse_vxlan_gpe(struct rte_udp_hdr *udp_hdr,
+ struct testpmd_offload_info *info)
+{
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr;
+ struct rte_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 rte_vxlan_gpe_hdr *)((char *)udp_hdr +
+ sizeof(struct rte_udp_hdr));
+
+ if (!vxlan_gpe_hdr->proto || vxlan_gpe_hdr->proto ==
+ RTE_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 rte_ipv4_hdr *)((char *)vxlan_gpe_hdr +
+ vxlan_gpe_len);
+
+ parse_ipv4(ipv4_hdr, info);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
+ info->l2_len = 0;
+
+ } else if (vxlan_gpe_hdr->proto == RTE_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 rte_ipv6_hdr *)((char *)vxlan_gpe_hdr +
+ vxlan_gpe_len);
+
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
+ parse_ipv6(ipv6_hdr, info);
+ info->l2_len = 0;
+
+ } else if (vxlan_gpe_hdr->proto == RTE_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 rte_ether_hdr *)((char *)vxlan_gpe_hdr +
+ vxlan_gpe_len);
+
+ parse_ethernet(eth_hdr, info);
+ } else
+ return;
+
+ info->l2_len += RTE_ETHER_VXLAN_GPE_HLEN;
}
/* Parse a gre header */
static void
parse_gre(struct simple_gre_hdr *gre_hdr, struct testpmd_offload_info *info)
{
- struct ether_hdr *eth_hdr;
- struct ipv4_hdr *ipv4_hdr;
- struct ipv6_hdr *ipv6_hdr;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr;
uint8_t gre_len = 0;
- /* check which fields are supported */
- if ((gre_hdr->flags & _htons(~GRE_SUPPORTED_FIELDS)) != 0)
- return;
-
gre_len += sizeof(struct simple_gre_hdr);
if (gre_hdr->flags & _htons(GRE_KEY_PRESENT))
- gre_len += GRE_KEY_LEN;
+ gre_len += GRE_EXT_LEN;
+ if (gre_hdr->flags & _htons(GRE_SEQUENCE_PRESENT))
+ gre_len += GRE_EXT_LEN;
+ if (gre_hdr->flags & _htons(GRE_CHECKSUM_PRESENT))
+ gre_len += GRE_EXT_LEN;
- if (gre_hdr->proto == _htons(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;
info->outer_l3_len = info->l3_len;
info->outer_l4_proto = info->l4_proto;
- ipv4_hdr = (struct ipv4_hdr *)((char *)gre_hdr + gre_len);
+ ipv4_hdr = (struct rte_ipv4_hdr *)((char *)gre_hdr + gre_len);
parse_ipv4(ipv4_hdr, info);
- info->ethertype = _htons(ETHER_TYPE_IPv4);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
info->l2_len = 0;
- } else if (gre_hdr->proto == _htons(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;
info->outer_l3_len = info->l3_len;
info->outer_l4_proto = info->l4_proto;
- ipv6_hdr = (struct ipv6_hdr *)((char *)gre_hdr + gre_len);
+ ipv6_hdr = (struct rte_ipv6_hdr *)((char *)gre_hdr + gre_len);
- info->ethertype = _htons(ETHER_TYPE_IPv6);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
parse_ipv6(ipv6_hdr, info);
info->l2_len = 0;
- } else if (gre_hdr->proto == _htons(ETHER_TYPE_TEB)) {
+ } else if (gre_hdr->proto == _htons(RTE_ETHER_TYPE_TEB)) {
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 *)gre_hdr + gre_len);
+ eth_hdr = (struct rte_ether_hdr *)((char *)gre_hdr + gre_len);
parse_ethernet(eth_hdr, info);
} else
static void
parse_encap_ip(void *encap_ip, struct testpmd_offload_info *info)
{
- struct ipv4_hdr *ipv4_hdr = encap_ip;
- struct ipv6_hdr *ipv6_hdr = encap_ip;
+ struct rte_ipv4_hdr *ipv4_hdr = encap_ip;
+ struct rte_ipv6_hdr *ipv6_hdr = encap_ip;
uint8_t ip_version;
ip_version = (ipv4_hdr->version_ihl & 0xf0) >> 4;
if (ip_version == 4) {
parse_ipv4(ipv4_hdr, info);
- info->ethertype = _htons(ETHER_TYPE_IPv4);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV4);
} else {
parse_ipv6(ipv6_hdr, info);
- info->ethertype = _htons(ETHER_TYPE_IPv6);
+ info->ethertype = _htons(RTE_ETHER_TYPE_IPV6);
}
info->l2_len = 0;
}
-/* modify the IPv4 or IPv4 source address of a packet */
-static void
-change_ip_addresses(void *l3_hdr, uint16_t ethertype)
-{
- struct ipv4_hdr *ipv4_hdr = l3_hdr;
- struct ipv6_hdr *ipv6_hdr = l3_hdr;
-
- if (ethertype == _htons(ETHER_TYPE_IPv4)) {
- ipv4_hdr->src_addr =
- rte_cpu_to_be_32(rte_be_to_cpu_32(ipv4_hdr->src_addr) + 1);
- } else if (ethertype == _htons(ETHER_TYPE_IPv6)) {
- ipv6_hdr->src_addr[15] = ipv6_hdr->src_addr[15] + 1;
- }
-}
-
/* if possible, calculate the checksum of a packet in hw or sw,
* 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;
- struct tcp_hdr *tcp_hdr;
- struct sctp_hdr *sctp_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr = l3_hdr;
+ struct rte_udp_hdr *udp_hdr;
+ struct rte_tcp_hdr *tcp_hdr;
+ struct rte_sctp_hdr *sctp_hdr;
uint64_t ol_flags = 0;
+ uint32_t max_pkt_len, tso_segsz = 0;
+
+ /* ensure packet is large enough to require tso */
+ if (!info->is_tunnel) {
+ max_pkt_len = info->l2_len + info->l3_len + info->l4_len +
+ info->tso_segsz;
+ if (info->tso_segsz != 0 && info->pkt_len > max_pkt_len)
+ tso_segsz = info->tso_segsz;
+ } else {
+ max_pkt_len = info->outer_l2_len + info->outer_l3_len +
+ info->l2_len + info->l3_len + info->l4_len +
+ info->tunnel_tso_segsz;
+ if (info->tunnel_tso_segsz != 0 && info->pkt_len > max_pkt_len)
+ tso_segsz = info->tunnel_tso_segsz;
+ }
- if (info->ethertype == _htons(ETHER_TYPE_IPv4)) {
+ if (info->ethertype == _htons(RTE_ETHER_TYPE_IPV4)) {
ipv4_hdr = l3_hdr;
ipv4_hdr->hdr_checksum = 0;
ol_flags |= PKT_TX_IPV4;
- if (info->l4_proto == IPPROTO_TCP &&
- ((info->is_tunnel && info->tunnel_tso_segsz != 0) ||
- (!info->is_tunnel && info->tso_segsz != 0))) {
+ 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 =
rte_ipv4_cksum(ipv4_hdr);
}
- } else if (info->ethertype == _htons(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 */
if (info->l4_proto == IPPROTO_UDP) {
- udp_hdr = (struct udp_hdr *)((char *)l3_hdr + info->l3_len);
+ udp_hdr = (struct rte_udp_hdr *)((char *)l3_hdr + info->l3_len);
/* 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;
- udp_hdr->dgram_cksum = get_psd_sum(l3_hdr,
- info->ethertype, ol_flags);
- } else {
+ else {
udp_hdr->dgram_cksum =
get_udptcp_checksum(l3_hdr, udp_hdr,
info->ethertype);
}
}
+ if (info->gso_enable)
+ ol_flags |= PKT_TX_UDP_SEG;
} else if (info->l4_proto == IPPROTO_TCP) {
- tcp_hdr = (struct tcp_hdr *)((char *)l3_hdr + info->l3_len);
+ tcp_hdr = (struct rte_tcp_hdr *)((char *)l3_hdr + info->l3_len);
tcp_hdr->cksum = 0;
- if ((info->is_tunnel && info->tunnel_tso_segsz != 0) ||
- (!info->is_tunnel && info->tso_segsz != 0)) {
+ if (tso_segsz)
ol_flags |= PKT_TX_TCP_SEG;
- tcp_hdr->cksum = get_psd_sum(l3_hdr, info->ethertype,
- ol_flags);
- } 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;
- tcp_hdr->cksum = get_psd_sum(l3_hdr, info->ethertype,
- ol_flags);
- } else {
+ else {
tcp_hdr->cksum =
get_udptcp_checksum(l3_hdr, tcp_hdr,
info->ethertype);
}
+ if (info->gso_enable)
+ ol_flags |= PKT_TX_TCP_SEG;
} else if (info->l4_proto == IPPROTO_SCTP) {
- sctp_hdr = (struct sctp_hdr *)((char *)l3_hdr + info->l3_len);
+ sctp_hdr = (struct rte_sctp_hdr *)
+ ((char *)l3_hdr + info->l3_len);
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;
- struct udp_hdr *udp_hdr;
+ struct rte_ipv4_hdr *ipv4_hdr = outer_l3_hdr;
+ struct rte_ipv6_hdr *ipv6_hdr = outer_l3_hdr;
+ struct rte_udp_hdr *udp_hdr;
uint64_t ol_flags = 0;
- if (info->outer_ethertype == _htons(ETHER_TYPE_IPv4)) {
+ if (info->outer_ethertype == _htons(RTE_ETHER_TYPE_IPV4)) {
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);
- } else if (testpmd_ol_flags & TESTPMD_TX_OFFLOAD_OUTER_IP_CKSUM)
+ } else
ol_flags |= PKT_TX_OUTER_IPV6;
if (info->outer_l4_proto != IPPROTO_UDP)
return ol_flags;
- udp_hdr = (struct udp_hdr *)((char *)outer_l3_hdr + info->outer_l3_len);
+ udp_hdr = (struct rte_udp_hdr *)
+ ((char *)outer_l3_hdr + info->outer_l3_len);
+
+ if (tso_enabled)
+ ol_flags |= PKT_TX_TCP_SEG;
- /* outer UDP checksum is done in software as we have no hardware
- * supporting it today, and no API for it. In the other side, for
+ /* 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;
+ }
+
+ /* 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(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
/*
* Allocate a new mbuf with up to tx_pkt_nb_segs segments.
- * Copy packet contents and offload information into then new segmented mbuf.
+ * Copy packet contents and offload information into the new segmented mbuf.
*/
static struct rte_mbuf *
pkt_copy_split(const struct rte_mbuf *pkt)
while (i != 0) {
p = rte_pktmbuf_alloc(mp);
if (p == NULL) {
- RTE_LOG(ERR, USER1,
+ TESTPMD_LOG(ERR,
"failed to allocate %u-th of %u mbuf "
"from mempool: %s\n",
nb_seg - i, nb_seg, mp->name);
md[--i] = p;
if (rte_pktmbuf_tailroom(md[i]) < seglen[i]) {
- RTE_LOG(ERR, USER1, "mempool %s, %u-th segment: "
+ TESTPMD_LOG(ERR, "mempool %s, %u-th segment: "
"expected seglen: %u, "
"actual mbuf tailroom: %u\n",
mp->name, i, seglen[i],
if (i == 0) {
rc = mbuf_copy_split(pkt, md, seglen, nb_seg);
if (rc < 0)
- RTE_LOG(ERR, USER1,
- "mbuf_copy_split for %p(len=%u, nb_seg=%hhu) "
+ TESTPMD_LOG(ERR,
+ "mbuf_copy_split for %p(len=%u, nb_seg=%u) "
"into %u segments failed with error code: %d\n",
pkt, pkt->pkt_len, pkt->nb_segs, nb_seg, rc);
* Receive a burst of packets, and for each packet:
* - parse packet, and try to recognize a supported packet type (1)
* - if it's not a supported packet type, don't touch the packet, else:
- * - modify the IPs in inner headers and in outer headers if any
* - reprocess the checksum of all supported layers. This is done in SW
* or HW, depending on testpmd command line configuration
* - if TSO is enabled in testpmd command line, also flag the mbuf for TCP
* 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 / 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
pkt_burst_checksum_forward(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ struct rte_mbuf *gso_segments[GSO_MAX_PKT_BURST];
+ struct rte_gso_ctx *gso_ctx;
+ struct rte_mbuf **tx_pkts_burst;
struct rte_port *txp;
struct rte_mbuf *m, *p;
- struct ether_hdr *eth_hdr;
+ struct rte_ether_hdr *eth_hdr;
void *l3_hdr = NULL, *outer_l3_hdr = NULL; /* can be IPv4 or IPv6 */
+ void **gro_ctx;
+ uint16_t gro_pkts_num;
+ uint8_t gro_enable;
uint16_t nb_rx;
uint16_t nb_tx;
+ 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;
+ uint32_t rx_bad_outer_l4_csum;
struct testpmd_offload_info info;
+ uint16_t nb_segments = 0;
+ int ret;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
uint64_t start_tsc;
/* 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;
+ rx_bad_outer_l4_csum = 0;
+ 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;
+ if (gso_ports[fs->tx_port].enable)
+ info.gso_enable = 1;
for (i = 0; i < nb_rx; i++) {
if (likely(i < nb_rx - 1))
m = pkts_burst[i];
info.is_tunnel = 0;
- tx_ol_flags = 0;
+ info.pkt_len = rte_pktmbuf_pkt_len(m);
+ tx_ol_flags = m->ol_flags &
+ (IND_ATTACHED_MBUF | EXT_ATTACHED_MBUF);
rx_ol_flags = m->ol_flags;
/* Update the L3/L4 checksum error packet statistics */
- rx_bad_ip_csum += ((rx_ol_flags & PKT_RX_IP_CKSUM_BAD) != 0);
- rx_bad_l4_csum += ((rx_ol_flags & PKT_RX_L4_CKSUM_BAD) != 0);
+ if ((rx_ol_flags & PKT_RX_IP_CKSUM_MASK) == PKT_RX_IP_CKSUM_BAD)
+ rx_bad_ip_csum += 1;
+ if ((rx_ol_flags & PKT_RX_L4_CKSUM_MASK) == PKT_RX_L4_CKSUM_BAD)
+ rx_bad_l4_csum += 1;
+ if (rx_ol_flags & PKT_RX_OUTER_L4_CKSUM_BAD)
+ rx_bad_outer_l4_csum += 1;
/* step 1: dissect packet, parsing optional vlan, ip4/ip6, vxlan
* and inner headers */
- eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
- ether_addr_copy(&peer_eth_addrs[fs->peer_addr],
+ eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
+ rte_ether_addr_copy(&peer_eth_addrs[fs->peer_addr],
ð_hdr->d_addr);
- ether_addr_copy(&ports[fs->tx_port].eth_addr,
+ rte_ether_addr_copy(&ports[fs->tx_port].eth_addr,
ð_hdr->s_addr);
parse_ethernet(eth_hdr, &info);
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;
+ struct rte_udp_hdr *udp_hdr;
- udp_hdr = (struct udp_hdr *)((char *)l3_hdr +
- info.l3_len);
- parse_vxlan(udp_hdr, &info, m->packet_type);
+ 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;
+ goto tunnel_update;
+ }
+ 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;
} 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;
l3_hdr = (char *)l3_hdr + info.outer_l3_len + info.l2_len;
}
- /* step 2: change all source IPs (v4 or v6) so we need
- * to recompute the chksums even if they were correct */
-
- change_ip_addresses(l3_hdr, info.ethertype);
- if (info.is_tunnel == 1)
- change_ip_addresses(outer_l3_hdr, info.outer_ethertype);
-
- /* step 3: depending on user command line configuration,
+ /* step 2: depending on user command line configuration,
* recompute checksum either in software or flag the
* mbuf to offload the calculation to the NIC. If TSO
* is configured, prepare the mbuf for TCP segmentation. */
/* 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));
}
- /* step 4: fill the mbuf meta data (flags and header lengths) */
+ /* step 3: fill the mbuf meta data (flags and header lengths) */
+ m->tx_offload = 0;
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_offloads &
+ DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) ||
+ (tx_ol_flags & PKT_TX_OUTER_IPV6)) {
m->outer_l2_len = info.outer_l2_len;
m->outer_l3_len = info.outer_l3_len;
m->l2_len = info.l2_len;
char buf[256];
printf("-----------------\n");
- printf("mbuf=%p, pkt_len=%u, nb_segs=%hhu:\n",
- m, m->pkt_len, m->nb_segs);
+ printf("port=%u, mbuf=%p, pkt_len=%u, nb_segs=%u:\n",
+ fs->rx_port, m, m->pkt_len, m->nb_segs);
/* dump rx parsed packet info */
rte_get_rx_ol_flag_list(rx_ol_flags, buf, sizeof(buf));
printf("rx: l2_len=%d ethertype=%x l3_len=%d "
"l4_proto=%d l4_len=%d flags=%s\n",
info.l2_len, rte_be_to_cpu_16(info.ethertype),
info.l3_len, info.l4_proto, info.l4_len, buf);
+ if (rx_ol_flags & PKT_RX_LRO)
+ printf("rx: m->lro_segsz=%u\n", m->tso_segsz);
if (info.is_tunnel == 1)
printf("rx: outer_l2_len=%d outer_ethertype=%x "
"outer_l3_len=%d\n", info.outer_l2_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_offloads &
+ DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) ||
+ (tx_ol_flags & PKT_TX_OUTER_IPV6))
printf("tx: m->outer_l2_len=%d "
"m->outer_l3_len=%d\n",
m->outer_l2_len,
m->outer_l3_len);
- if (info.tunnel_tso_segsz != 0)
+ if (info.tunnel_tso_segsz != 0 &&
+ (m->ol_flags & PKT_TX_TCP_SEG))
printf("tx: m->tso_segsz=%d\n",
m->tso_segsz);
- } else if (info.tso_segsz != 0)
+ } else if (info.tso_segsz != 0 &&
+ (m->ol_flags & PKT_TX_TCP_SEG))
printf("tx: m->tso_segsz=%d\n", m->tso_segsz);
rte_get_tx_ol_flag_list(m->ol_flags, buf, sizeof(buf));
printf("tx: flags=%s", buf);
printf("\n");
}
}
- nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);
+
+ if (unlikely(gro_enable)) {
+ if (gro_flush_cycles == GRO_DEFAULT_FLUSH_CYCLES) {
+ nb_rx = rte_gro_reassemble_burst(pkts_burst, nb_rx,
+ &(gro_ports[fs->rx_port].param));
+ } else {
+ gro_ctx = current_fwd_lcore()->gro_ctx;
+ nb_rx = rte_gro_reassemble(pkts_burst, nb_rx, gro_ctx);
+
+ if (++fs->gro_times >= gro_flush_cycles) {
+ gro_pkts_num = rte_gro_get_pkt_count(gro_ctx);
+ if (gro_pkts_num > MAX_PKT_BURST - nb_rx)
+ gro_pkts_num = MAX_PKT_BURST - nb_rx;
+
+ nb_rx += rte_gro_timeout_flush(gro_ctx, 0,
+ RTE_GRO_TCP_IPV4,
+ &pkts_burst[nb_rx],
+ gro_pkts_num);
+ fs->gro_times = 0;
+ }
+ }
+ }
+
+ if (gso_ports[fs->tx_port].enable == 0)
+ tx_pkts_burst = pkts_burst;
+ else {
+ gso_ctx = &(current_fwd_lcore()->gso_ctx);
+ gso_ctx->gso_size = gso_max_segment_size;
+ for (i = 0; i < nb_rx; i++) {
+ ret = rte_gso_segment(pkts_burst[i], gso_ctx,
+ &gso_segments[nb_segments],
+ GSO_MAX_PKT_BURST - nb_segments);
+ if (ret >= 0)
+ nb_segments += ret;
+ else {
+ TESTPMD_LOG(DEBUG, "Unable to segment packet");
+ rte_pktmbuf_free(pkts_burst[i]);
+ }
+ }
+
+ tx_pkts_burst = gso_segments;
+ nb_rx = nb_segments;
+ }
+
+ nb_prep = rte_eth_tx_prepare(fs->tx_port, fs->tx_queue,
+ tx_pkts_burst, nb_rx);
+ if (nb_prep != nb_rx)
+ printf("Preparing packet burst to transmit failed: %s\n",
+ rte_strerror(rte_errno));
+
+ nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, tx_pkts_burst,
+ nb_prep);
+
/*
* Retry if necessary
*/
while (nb_tx < nb_rx && retry++ < burst_tx_retry_num) {
rte_delay_us(burst_tx_delay_time);
nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
- &pkts_burst[nb_tx], nb_rx - nb_tx);
+ &tx_pkts_burst[nb_tx], nb_rx - nb_tx);
}
}
fs->tx_packets += nb_tx;
fs->rx_bad_ip_csum += rx_bad_ip_csum;
fs->rx_bad_l4_csum += rx_bad_l4_csum;
+ fs->rx_bad_outer_l4_csum += rx_bad_outer_l4_csum;
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
if (unlikely(nb_tx < nb_rx)) {
fs->fwd_dropped += (nb_rx - nb_tx);
do {
- rte_pktmbuf_free(pkts_burst[nb_tx]);
+ rte_pktmbuf_free(tx_pkts_burst[nb_tx]);
} while (++nb_tx < nb_rx);
}
+
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
end_tsc = rte_rdtsc();
core_cycles = (end_tsc - start_tsc);