New upstream version 17.11-rc3
[deb_dpdk.git] / app / test-pmd / csumonly.c
index 90c8119..aa29f5f 100644 (file)
@@ -49,7 +49,6 @@
 #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>
@@ -70,6 +69,8 @@
 #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. */
@@ -91,6 +92,7 @@
 /* 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;
@@ -381,6 +383,8 @@ process_inner_cksums(void *l3_hdr, const struct testpmd_offload_info *info,
                                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->cksum = 0;
@@ -627,10 +631,16 @@ static void
 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;
        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;
@@ -641,6 +651,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
        uint32_t rx_bad_ip_csum;
        uint32_t rx_bad_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;
@@ -657,23 +669,21 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
                                 nb_pkt_per_burst);
        if (unlikely(nb_rx == 0))
                return;
-       if (unlikely(gro_ports[fs->rx_port].enable))
-               nb_rx = rte_gro_reassemble_burst(pkts_burst,
-                               nb_rx,
-                               &(gro_ports[fs->rx_port].param));
-
 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
        fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
 #endif
        fs->rx_packets += nb_rx;
        rx_bad_ip_csum = 0;
        rx_bad_l4_csum = 0;
+       gro_enable = gro_ports[fs->rx_port].enable;
 
        txp = &ports[fs->tx_port];
        testpmd_ol_flags = txp->tx_ol_flags;
        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))
@@ -851,13 +861,57 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
                }
        }
 
+       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 {
+                               RTE_LOG(DEBUG, USER1,
+                                               "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,
-                       pkts_burst, nb_rx);
+                       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, pkts_burst,
+       nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, tx_pkts_burst,
                        nb_prep);
 
        /*
@@ -868,7 +922,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
                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;
@@ -881,9 +935,10 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
        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);