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selftests/net: udpgso_bench_rx: fix port argument 

The below commit added optional support for passing a bind address.
It configures the sockaddr bind arguments before parsing options and
reconfigures on options -b and -4.

This broke support for passing port (-p) on its own.

Configure sockaddr after parsing all arguments.

Fixes: 3327a9c463 ("selftests: add functionals test for UDP GRO")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Willem de Bruijn 2021-11-11 06:57:17 -05:00 committed by David S. Miller
parent 29cd386750
commit d336509cb9
1 changed files with 7 additions and 4 deletions
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11
tools/testing/selftests/net/udpgso_bench_rx.c
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@ -293,19 +293,17 @@ static void usage(const char *filepath)
static void parse_opts(int argc, char **argv)
{
const char *bind_addr = NULL;
int c;
/* bind to any by default */
setup_sockaddr(PF_INET6, "::", &cfg_bind_addr);
while ((c = getopt(argc, argv, "4b:C:Gl:n:p:rR:S:tv")) != -1) {
switch (c) {
case '4':
cfg_family = PF_INET;
cfg_alen = sizeof(struct sockaddr_in);
setup_sockaddr(PF_INET, "0.0.0.0", &cfg_bind_addr);
break;
case 'b':
setup_sockaddr(cfg_family, optarg, &cfg_bind_addr);
bind_addr = optarg;
break;
case 'C':
cfg_connect_timeout_ms = strtoul(optarg, NULL, 0);
@ -341,6 +339,11 @@ static void parse_opts(int argc, char **argv)
}
}
if (!bind_addr)
bind_addr = cfg_family == PF_INET6 ? "::" : "0.0.0.0";
setup_sockaddr(cfg_family, bind_addr, &cfg_bind_addr);
if (optind != argc)
usage(argv[0]);