X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Ftxonly.c;h=309c73893d8c2dd463e0b58cf67a722901a98d60;hb=6fcaacd4c2447c78ecf71e67214021c967a72a7b;hp=db8f37afcbe0a3b7ba15e33e3c124a220aa92421;hpb=92ebda07ee58cf6966305ba03b50b81debfb2d98;p=dpdk.git diff --git a/app/test-pmd/txonly.c b/app/test-pmd/txonly.c index db8f37afcb..309c73893d 100644 --- a/app/test-pmd/txonly.c +++ b/app/test-pmd/txonly.c @@ -49,18 +49,14 @@ #include #include #include -#include #include #include #include #include #include #include -#include -#include #include #include -#include #include #include #include @@ -69,6 +65,7 @@ #include #include #include +#include #include "testpmd.h" @@ -86,16 +83,6 @@ static struct ipv4_hdr pkt_ip_hdr; /**< IP header of transmitted packets. */ 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; - - m = __rte_mbuf_raw_alloc(mp); - __rte_mbuf_sanity_check_raw(m, 0); - return (m); -} - static void copy_buf_to_pkt_segs(void* buf, unsigned len, struct rte_mbuf *pkt, unsigned offset) @@ -203,6 +190,7 @@ pkt_burst_transmit(struct fwd_stream *fs) 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 i; #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES @@ -210,6 +198,7 @@ pkt_burst_transmit(struct fwd_stream *fs) 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(); @@ -223,18 +212,33 @@ pkt_burst_transmit(struct fwd_stream *fs) ol_flags = PKT_TX_VLAN_PKT; if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_INSERT_QINQ) ol_flags |= PKT_TX_QINQ_PKT; + if (txp->tx_ol_flags & TESTPMD_TX_OFFLOAD_MACSEC) + ol_flags |= PKT_TX_MACSEC; for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) { - pkt = tx_mbuf_alloc(mbp); + pkt = rte_mbuf_raw_alloc(mbp); if (pkt == NULL) { nomore_mbuf: if (nb_pkt == 0) return; break; } + + /* + * 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; - for (i = 1; i < tx_pkt_nb_segs; i++) { - pkt_seg->next = tx_mbuf_alloc(mbp); + 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; rte_pktmbuf_free(pkt); @@ -242,6 +246,7 @@ pkt_burst_transmit(struct fwd_stream *fs) } 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. */ @@ -266,8 +271,8 @@ pkt_burst_transmit(struct fwd_stream *fs) * Complete first mbuf of packet and append it to the * burst of packets to be transmitted. */ - pkt->nb_segs = tx_pkt_nb_segs; - pkt->pkt_len = tx_pkt_length; + 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; @@ -276,6 +281,17 @@ pkt_burst_transmit(struct fwd_stream *fs) 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; #ifdef RTE_TEST_PMD_RECORD_BURST_STATS