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Date: Mon, 3 Jan 2022 15:23:55 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Jianguo Wu <wujianguo@...natelecom.cn>, Willem de Bruijn <willemb@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.19 15/27] selftests/net: udpgso_bench_tx: fix dst ip argument From: wujianguo <wujianguo@...natelecom.cn> [ Upstream commit 9c1952aeaa98b3cfc49e2a79cb2c7d6a674213e9 ] udpgso_bench_tx call setup_sockaddr() for dest address before parsing all arguments, if we specify "-p ${dst_port}" after "-D ${dst_ip}", then ${dst_port} will be ignored, and using default cfg_port 8000. This will cause test case "multiple GRO socks" failed in udpgro.sh. Setup sockaddr after parsing all arguments. Fixes: 3a687bef148d ("selftests: udp gso benchmark") Signed-off-by: Jianguo Wu <wujianguo@...natelecom.cn> Reviewed-by: Willem de Bruijn <willemb@...gle.com> Link: https://lore.kernel.org/r/ff620d9f-5b52-06ab-5286-44b945453002@163.com Signed-off-by: Jakub Kicinski <kuba@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- tools/testing/selftests/net/udpgso_bench_tx.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/udpgso_bench_tx.c b/tools/testing/selftests/net/udpgso_bench_tx.c index e821564053cfb..463a2cbd0261a 100644 --- a/tools/testing/selftests/net/udpgso_bench_tx.c +++ b/tools/testing/selftests/net/udpgso_bench_tx.c @@ -247,6 +247,7 @@ static void usage(const char *filepath) static void parse_opts(int argc, char **argv) { + const char *bind_addr = NULL; int max_len, hdrlen; int c; @@ -271,7 +272,7 @@ static void parse_opts(int argc, char **argv) cfg_cpu = strtol(optarg, NULL, 0); break; case 'D': - setup_sockaddr(cfg_family, optarg, &cfg_dst_addr); + bind_addr = optarg; break; case 'l': cfg_runtime_ms = strtoul(optarg, NULL, 10) * 1000; @@ -300,6 +301,11 @@ 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_dst_addr); + if (optind != argc) usage(argv[0]); -- 2.34.1
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