-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
- * 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
*/
#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_tailq.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_ring.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_tcp.h>
#include <rte_udp.h>
#include <rte_string_fns.h>
+#include <rte_flow.h>
#include "testpmd.h"
-#define UDP_SRC_PORT 1024
-#define UDP_DST_PORT 1024
+/* use RFC863 Discard Protocol */
+uint16_t tx_udp_src_port = 9;
+uint16_t tx_udp_dst_port = 9;
-#define IP_SRC_ADDR ((192 << 24) | (168 << 16) | (0 << 8) | 1)
-#define IP_DST_ADDR ((192 << 24) | (168 << 16) | (0 << 8) | 2)
+/* use RFC5735 / RFC2544 reserved network test addresses */
+uint32_t tx_ip_src_addr = (192U << 24) | (18 << 16) | (0 << 8) | 1;
+uint32_t tx_ip_dst_addr = (192U << 24) | (18 << 16) | (0 << 8) | 2;
#define IP_DEFTTL 64 /* from RFC 1340. */
#define IP_VERSION 0x40
#define IP_VHL_DEF (IP_VERSION | IP_HDRLEN)
static struct ipv4_hdr pkt_ip_hdr; /**< IP header of transmitted packets. */
+RTE_DEFINE_PER_LCORE(uint8_t, _ip_var); /**< IP address variation */
static struct udp_hdr pkt_udp_hdr; /**< UDP header of transmitted packets. */
-static inline struct rte_mbuf *
-tx_mbuf_alloc(struct rte_mempool *mp)
-{
- struct rte_mbuf *m;
- void *mb;
-
- if (rte_mempool_get(mp, &mb) < 0)
- return NULL;
- m = (struct rte_mbuf *)mb;
- __rte_mbuf_sanity_check(m, RTE_MBUF_PKT, 1);
- return m;
-}
-
static void
copy_buf_to_pkt_segs(void* buf, unsigned len, struct rte_mbuf *pkt,
unsigned offset)
unsigned copy_len;
seg = pkt;
- while (offset >= seg->pkt.data_len) {
- offset -= seg->pkt.data_len;
- seg = seg->pkt.next;
+ while (offset >= seg->data_len) {
+ offset -= seg->data_len;
+ seg = seg->next;
}
- copy_len = seg->pkt.data_len - offset;
- seg_buf = ((char *) seg->pkt.data + offset);
+ copy_len = seg->data_len - offset;
+ seg_buf = rte_pktmbuf_mtod_offset(seg, char *, offset);
while (len > copy_len) {
rte_memcpy(seg_buf, buf, (size_t) copy_len);
len -= copy_len;
buf = ((char*) buf + copy_len);
- seg = seg->pkt.next;
- seg_buf = seg->pkt.data;
+ seg = seg->next;
+ seg_buf = rte_pktmbuf_mtod(seg, char *);
+ copy_len = seg->data_len;
}
rte_memcpy(seg_buf, buf, (size_t) len);
}
static inline void
copy_buf_to_pkt(void* buf, unsigned len, struct rte_mbuf *pkt, unsigned offset)
{
- if (offset + len <= pkt->pkt.data_len) {
- rte_memcpy(((char *) pkt->pkt.data + offset), buf, (size_t) len);
+ if (offset + len <= pkt->data_len) {
+ rte_memcpy(rte_pktmbuf_mtod_offset(pkt, char *, offset),
+ buf, (size_t) len);
return;
}
copy_buf_to_pkt_segs(buf, len, pkt, offset);
* Initialize UDP header.
*/
pkt_len = (uint16_t) (pkt_data_len + sizeof(struct udp_hdr));
- udp_hdr->src_port = rte_cpu_to_be_16(UDP_SRC_PORT);
- udp_hdr->dst_port = rte_cpu_to_be_16(UDP_DST_PORT);
+ udp_hdr->src_port = rte_cpu_to_be_16(tx_udp_src_port);
+ udp_hdr->dst_port = rte_cpu_to_be_16(tx_udp_dst_port);
udp_hdr->dgram_len = RTE_CPU_TO_BE_16(pkt_len);
udp_hdr->dgram_cksum = 0; /* No UDP checksum. */
ip_hdr->next_proto_id = IPPROTO_UDP;
ip_hdr->packet_id = 0;
ip_hdr->total_length = RTE_CPU_TO_BE_16(pkt_len);
- ip_hdr->src_addr = rte_cpu_to_be_32(IP_SRC_ADDR);
- ip_hdr->dst_addr = rte_cpu_to_be_32(IP_DST_ADDR);
+ ip_hdr->src_addr = rte_cpu_to_be_32(tx_ip_src_addr);
+ ip_hdr->dst_addr = rte_cpu_to_be_32(tx_ip_dst_addr);
/*
* Compute IP header checksum.
*/
- ptr16 = (uint16_t*) ip_hdr;
+ ptr16 = (unaligned_uint16_t*) ip_hdr;
ip_cksum = 0;
ip_cksum += ptr16[0]; ip_cksum += ptr16[1];
ip_cksum += ptr16[2]; ip_cksum += ptr16[3];
ip_hdr->hdr_checksum = (uint16_t) ip_cksum;
}
+static inline bool
+pkt_burst_prepare(struct rte_mbuf *pkt, struct rte_mempool *mbp,
+ struct rte_ether_hdr *eth_hdr, const uint16_t vlan_tci,
+ const uint16_t vlan_tci_outer, const uint64_t ol_flags)
+{
+ struct rte_mbuf *pkt_segs[RTE_MAX_SEGS_PER_PKT];
+ uint8_t ip_var = RTE_PER_LCORE(_ip_var);
+ struct rte_mbuf *pkt_seg;
+ uint32_t nb_segs, pkt_len;
+ uint8_t i;
+
+ if (unlikely(tx_pkt_split == TX_PKT_SPLIT_RND))
+ nb_segs = random() % tx_pkt_nb_segs + 1;
+ else
+ nb_segs = tx_pkt_nb_segs;
+
+ if (nb_segs > 1) {
+ if (rte_mempool_get_bulk(mbp, (void **)pkt_segs, nb_segs - 1))
+ return false;
+ }
+
+ rte_pktmbuf_reset_headroom(pkt);
+ pkt->data_len = tx_pkt_seg_lengths[0];
+ pkt->ol_flags = ol_flags;
+ pkt->vlan_tci = vlan_tci;
+ pkt->vlan_tci_outer = vlan_tci_outer;
+ pkt->l2_len = sizeof(struct rte_ether_hdr);
+ pkt->l3_len = sizeof(struct ipv4_hdr);
+
+ pkt_len = pkt->data_len;
+ pkt_seg = pkt;
+ for (i = 1; i < nb_segs; i++) {
+ pkt_seg->next = pkt_segs[i - 1];
+ pkt_seg = pkt_seg->next;
+ pkt_seg->data_len = tx_pkt_seg_lengths[i];
+ pkt_len += pkt_seg->data_len;
+ }
+ pkt_seg->next = NULL; /* Last segment of packet. */
+ /*
+ * Copy headers in first packet segment(s).
+ */
+ copy_buf_to_pkt(eth_hdr, sizeof(*eth_hdr), pkt, 0);
+ copy_buf_to_pkt(&pkt_ip_hdr, sizeof(pkt_ip_hdr), pkt,
+ sizeof(struct rte_ether_hdr));
+ if (txonly_multi_flow) {
+ struct ipv4_hdr *ip_hdr;
+ uint32_t addr;
+
+ ip_hdr = rte_pktmbuf_mtod_offset(pkt,
+ struct ipv4_hdr *,
+ sizeof(struct rte_ether_hdr));
+ /*
+ * Generate multiple flows by varying IP src addr. This
+ * enables packets are well distributed by RSS in
+ * receiver side if any and txonly mode can be a decent
+ * packet generator for developer's quick performance
+ * regression test.
+ */
+ addr = (tx_ip_dst_addr | (ip_var++ << 8)) + rte_lcore_id();
+ ip_hdr->src_addr = rte_cpu_to_be_32(addr);
+ }
+ copy_buf_to_pkt(&pkt_udp_hdr, sizeof(pkt_udp_hdr), pkt,
+ sizeof(struct rte_ether_hdr) +
+ sizeof(struct ipv4_hdr));
+ /*
+ * Complete first mbuf of packet and append it to the
+ * burst of packets to be transmitted.
+ */
+ pkt->nb_segs = nb_segs;
+ pkt->pkt_len = pkt_len;
+
+ return true;
+}
+
/*
* Transmit a burst of multi-segments packets.
*/
pkt_burst_transmit(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ struct rte_port *txp;
struct rte_mbuf *pkt;
- struct rte_mbuf *pkt_seg;
struct rte_mempool *mbp;
- struct ether_hdr eth_hdr;
+ struct rte_ether_hdr eth_hdr;
uint16_t nb_tx;
uint16_t nb_pkt;
- uint16_t vlan_tci;
- uint16_t ol_flags;
- uint8_t i;
+ uint16_t vlan_tci, vlan_tci_outer;
+ uint32_t retry;
+ uint64_t ol_flags = 0;
+ uint64_t tx_offloads;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
uint64_t start_tsc;
uint64_t end_tsc;
#endif
mbp = current_fwd_lcore()->mbp;
- vlan_tci = ports[fs->tx_port].tx_vlan_id;
- ol_flags = ports[fs->tx_port].tx_ol_flags;
- for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
- pkt = tx_mbuf_alloc(mbp);
- if (pkt == NULL) {
- nomore_mbuf:
- if (nb_pkt == 0)
- return;
- break;
+ txp = &ports[fs->tx_port];
+ tx_offloads = txp->dev_conf.txmode.offloads;
+ vlan_tci = txp->tx_vlan_id;
+ vlan_tci_outer = txp->tx_vlan_id_outer;
+ if (tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT)
+ ol_flags = PKT_TX_VLAN_PKT;
+ if (tx_offloads & DEV_TX_OFFLOAD_QINQ_INSERT)
+ ol_flags |= PKT_TX_QINQ_PKT;
+ if (tx_offloads & DEV_TX_OFFLOAD_MACSEC_INSERT)
+ ol_flags |= PKT_TX_MACSEC;
+
+ /*
+ * Initialize Ethernet header.
+ */
+ ether_addr_copy(&peer_eth_addrs[fs->peer_addr], ð_hdr.d_addr);
+ ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr);
+ eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+
+ if (rte_mempool_get_bulk(mbp, (void **)pkts_burst,
+ nb_pkt_per_burst) == 0) {
+ for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
+ if (unlikely(!pkt_burst_prepare(pkts_burst[nb_pkt], mbp,
+ ð_hdr, vlan_tci,
+ vlan_tci_outer,
+ ol_flags))) {
+ rte_mempool_put_bulk(mbp,
+ (void **)&pkts_burst[nb_pkt],
+ nb_pkt_per_burst - nb_pkt);
+ break;
+ }
}
- pkt->pkt.data_len = tx_pkt_seg_lengths[0];
- pkt_seg = pkt;
- for (i = 1; i < tx_pkt_nb_segs; i++) {
- pkt_seg->pkt.next = tx_mbuf_alloc(mbp);
- if (pkt_seg->pkt.next == NULL) {
+ } else {
+ for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
+ pkt = rte_mbuf_raw_alloc(mbp);
+ if (pkt == NULL)
+ break;
+ if (unlikely(!pkt_burst_prepare(pkt, mbp, ð_hdr,
+ vlan_tci,
+ vlan_tci_outer,
+ ol_flags))) {
rte_pktmbuf_free(pkt);
- goto nomore_mbuf;
+ break;
}
- pkt_seg = pkt_seg->pkt.next;
- pkt_seg->pkt.data_len = tx_pkt_seg_lengths[i];
+ pkts_burst[nb_pkt] = pkt;
}
- pkt_seg->pkt.next = NULL; /* Last segment of packet. */
-
- /*
- * Initialize Ethernet header.
- */
- ether_addr_copy(&peer_eth_addrs[fs->peer_addr],ð_hdr.d_addr);
- ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr);
- eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+ }
- /*
- * Copy headers in first packet segment(s).
- */
- copy_buf_to_pkt(ð_hdr, sizeof(eth_hdr), pkt, 0);
- copy_buf_to_pkt(&pkt_ip_hdr, sizeof(pkt_ip_hdr), pkt,
- sizeof(struct ether_hdr));
- copy_buf_to_pkt(&pkt_udp_hdr, sizeof(pkt_udp_hdr), pkt,
- sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr));
+ if (nb_pkt == 0)
+ return;
- /*
- * Complete first mbuf of packet and append it to the
- * burst of packets to be transmitted.
- */
- pkt->pkt.nb_segs = tx_pkt_nb_segs;
- pkt->pkt.pkt_len = tx_pkt_length;
- pkt->ol_flags = ol_flags;
- pkt->pkt.vlan_tci = vlan_tci;
- pkt->pkt.l2_len = sizeof(struct ether_hdr);
- pkt->pkt.l3_len = sizeof(struct ipv4_hdr);
- pkts_burst[nb_pkt] = pkt;
- }
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_pkt);
+ /*
+ * Retry if necessary
+ */
+ if (unlikely(nb_tx < nb_pkt) && fs->retry_enabled) {
+ retry = 0;
+ while (nb_tx < nb_pkt && 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_pkt - nb_tx);
+ }
+ }
fs->tx_packets += nb_tx;
+ if (txonly_multi_flow)
+ RTE_PER_LCORE(_ip_var) += nb_tx;
+
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
#endif
{
uint16_t pkt_data_len;
- pkt_data_len = (uint16_t) (tx_pkt_length - (sizeof(struct ether_hdr) +
- sizeof(struct ipv4_hdr) +
- sizeof(struct udp_hdr)));
+ pkt_data_len = (uint16_t) (tx_pkt_length - (
+ sizeof(struct rte_ether_hdr) +
+ sizeof(struct ipv4_hdr) +
+ sizeof(struct udp_hdr)));
setup_pkt_udp_ip_headers(&pkt_ip_hdr, &pkt_udp_hdr, pkt_data_len);
}
git.droids-corp.org / dpdk.git / blobdiff