X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest-pmd%2Fflowgen.c;h=cabfc688ff3eeaba6f5e029264b54ccc6dd59d76;hb=701283309404e394693fba46ed71834593af808e;hp=4bd351e6754a1fe52e28635eefeb8142eca4de39;hpb=80139e35493286bce0568cee03f58762b4051120;p=dpdk.git diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c index 4bd351e675..cabfc688ff 100644 --- 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 = {