metrics: fix variable declaration in header

[dpdk.git] / app / test-pmd / flowgen.c

diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c
index 4bd351e..cabfc68 100644 (file)
--- a/app/test-pmd/flowgen.c
+++ b/app/test-pmd/flowgen.c
@@ -53,8 +53,11 @@ static struct rte_ether_addr cfg_ether_dst =
 
 #define IP_DEFTTL  64   /* from RFC 1340. */
 
+/* Use this type to inform GCC that ip_sum violates aliasing rules. */
+typedef unaligned_uint16_t alias_int16_t __attribute__((__may_alias__));
+
 static inline uint16_t
-ip_sum(const unaligned_uint16_t *hdr, int hdr_len)
+ip_sum(const alias_int16_t *hdr, int hdr_len)
 {
        uint32_t sum = 0;
 
@@ -97,16 +100,10 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
        uint16_t i;
        uint32_t retry;
        uint64_t tx_offloads;
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
-       uint64_t start_tsc;
-       uint64_t end_tsc;
-       uint64_t core_cycles;
-#endif
+       uint64_t start_tsc = 0;
        static int next_flow = 0;
 
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
-       start_tsc = rte_rdtsc();
-#endif
+       get_start_cycles(&start_tsc);
 
        /* Receive a burst of packets and discard them. */
        nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
@@ -156,7 +153,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
                                                           next_flow);
                ip_hdr->total_length    = RTE_CPU_TO_BE_16(pkt_size -
                                                           sizeof(*eth_hdr));
-               ip_hdr->hdr_checksum    = ip_sum((unaligned_uint16_t *)ip_hdr,
+               ip_hdr->hdr_checksum    = ip_sum((const alias_int16_t *)ip_hdr,
                                                 sizeof(*ip_hdr));
 
                /* Initialize UDP header. */
@@ -194,9 +191,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
        }
        fs->tx_packets += nb_tx;
 
-#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
-       fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
-#endif
+       inc_tx_burst_stats(fs, nb_tx);
        if (unlikely(nb_tx < nb_pkt)) {
                /* Back out the flow counter. */
                next_flow -= (nb_pkt - nb_tx);
@@ -207,11 +202,8 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
                        rte_pktmbuf_free(pkts_burst[nb_tx]);
                } while (++nb_tx < nb_pkt);
        }
-#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
-       end_tsc = rte_rdtsc();
-       core_cycles = (end_tsc - start_tsc);
-       fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
-#endif
+
+       get_end_cycles(fs, start_tsc);
 }
 
 struct fwd_engine flow_gen_engine = {