By default every packet's source MAC address is filled to
match the output port. Add option to disable this to enable
testing packet forwarding without touching the packets.
Signed-off-by: Matias Elo <matias....@nokia.com>
---
test/performance/odp_l2fwd.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
diff --git a/test/performance/odp_l2fwd.c b/test/performance/odp_l2fwd.c
index 4a0938d..06116c2 100644
--- a/test/performance/odp_l2fwd.c
+++ b/test/performance/odp_l2fwd.c
@@ -70,6 +70,7 @@ typedef struct {
int accuracy; /**< Number of seconds to get and print
statistics */
char *if_str; /**< Storage for interface names */
int dst_change; /**< Change destination eth addresses > */
+ int src_change; /**< Change source eth addresses > */
} appl_args_t;
static int exit_threads; /**< Break workers loop if set to 1 */
@@ -623,11 +624,16 @@ static void fill_eth_addrs(odp_packet_t pkt_tbl[],
unsigned num, int dst_port)
odph_ethhdr_t *eth;
unsigned i;
+ if (!gbl_args->appl.dst_change && !gbl_args->appl.src_change)
+ return;
+
for (i = 0; i < num; ++i) {
pkt = pkt_tbl[i];
if (odp_packet_has_eth(pkt)) {
eth = (odph_ethhdr_t *)odp_packet_l2_ptr(pkt, NULL);
- eth->src = gbl_args->port_eth_addr[dst_port];
+
+ if (gbl_args->appl.src_change)
+ eth->src = gbl_args->port_eth_addr[dst_port];
if (gbl_args->appl.dst_change)
eth->dst = gbl_args->dst_eth_addr[dst_port];
@@ -656,15 +662,17 @@ static void parse_args(int argc, char *argv[],
appl_args_t *appl_args)
{"interface", required_argument, NULL, 'i'},
{"mode", required_argument, NULL, 'm'},
{"dst_change", required_argument, NULL, 'd'},
+ {"src_change", required_argument, NULL, 's'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
appl_args->time = 0; /* loop forever if time to run is 0 */
appl_args->accuracy = 1; /* get and print pps stats second */
+ appl_args->src_change = 1; /* change eth src address by default */
while (1) {
- opt = getopt_long(argc, argv, "+c:+t:+a:i:m:d:h",
+ opt = getopt_long(argc, argv, "+c:+t:+a:i:m:d:s:h",
longopts, &long_index);
if (opt == -1)
@@ -734,6 +742,9 @@ static void parse_args(int argc, char *argv[], appl_args_t
*appl_args)
case 'd':
appl_args->dst_change = atoi(optarg);
break;
+ case 's':
+ appl_args->src_change = atoi(optarg);
+ break;
case 'h':
usage(argv[0]);
exit(EXIT_SUCCESS);
@@ -819,6 +830,8 @@ static void usage(char *progname)
" (default is 1 second).\n"
" -d, --dst_change 0: Don't change packets' dst eth addresses
(default)\n"
" 1: Change packets' dst eth addresses\n"
+ " -s, --src_change 0: Don't change packets' src eth
addresses\n"
+ " 1: Change packets' src eth addresses
(default)\n"
" -h, --help Display help and exit.\n\n"
" environment variables: ODP_PKTIO_DISABLE_NETMAP\n"
" ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
--
1.9.1
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