#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 ((192U << 24) | (168 << 16) | (0 << 8) | 1)
-#define IP_DST_ADDR ((192U << 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
* 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.
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.
*/
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, vlan_tci_outer;
uint32_t retry;
uint64_t ol_flags = 0;
- uint8_t ip_var = RTE_PER_LCORE(_ip_var);
- uint8_t i;
uint64_t tx_offloads;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
uint64_t start_tsc;
uint64_t end_tsc;
uint64_t core_cycles;
#endif
- uint32_t nb_segs, pkt_len;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
start_tsc = rte_rdtsc();
/*
* 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);
-
- for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) {
- pkt = rte_mbuf_raw_alloc(mbp);
- if (pkt == NULL) {
- nomore_mbuf:
- if (nb_pkt == 0)
- return;
- break;
- }
+ rte_ether_addr_copy(&peer_eth_addrs[fs->peer_addr], ð_hdr.d_addr);
+ rte_ether_addr_copy(&ports[fs->tx_port].eth_addr, ð_hdr.s_addr);
+ eth_hdr.ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPv4);
- /*
- * Using raw alloc is good to improve performance,
- * but some consumers may use the headroom and so
- * decrement data_off. We need to make sure it is
- * reset to default value.
- */
- rte_pktmbuf_reset_headroom(pkt);
- pkt->data_len = tx_pkt_seg_lengths[0];
- pkt_seg = pkt;
- if (tx_pkt_split == TX_PKT_SPLIT_RND)
- nb_segs = random() % tx_pkt_nb_segs + 1;
- else
- nb_segs = tx_pkt_nb_segs;
- pkt_len = pkt->data_len;
- for (i = 1; i < nb_segs; i++) {
- pkt_seg->next = rte_mbuf_raw_alloc(mbp);
- if (pkt_seg->next == NULL) {
- pkt->nb_segs = i;
+ 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;
+ }
+ }
+ } 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->next;
- pkt_seg->data_len = tx_pkt_seg_lengths[i];
- pkt_len += pkt_seg->data_len;
+ pkts_burst[nb_pkt] = pkt;
}
- pkt_seg->next = NULL; /* Last segment of packet. */
+ }
- /*
- * 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));
- if (txonly_multi_flow) {
- struct ipv4_hdr *ip_hdr;
- uint32_t addr;
-
- ip_hdr = rte_pktmbuf_mtod_offset(pkt,
- struct ipv4_hdr *,
- sizeof(struct 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 = (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 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->nb_segs = nb_segs;
- pkt->pkt_len = pkt_len;
- pkt->ol_flags = ol_flags;
- pkt->vlan_tci = vlan_tci;
- pkt->vlan_tci_outer = vlan_tci_outer;
- pkt->l2_len = sizeof(struct ether_hdr);
- 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
{
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