netdev - [PATCH bpf-next v4 2/7] selftests/bpf: Add txmsg permanently test for sockmap

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Date: Sat, 2 Sep 2023 18:07:39 +0800
From: Liu Jian <liujian56@...wei.com>
To: <john.fastabend@...il.com>, <jakub@...udflare.com>, <ast@...nel.org>,
	<daniel@...earbox.net>, <andrii@...nel.org>, <martin.lau@...ux.dev>,
	<song@...nel.org>, <yonghong.song@...ux.dev>, <kpsingh@...nel.org>,
	<sdf@...gle.com>, <haoluo@...gle.com>, <jolsa@...nel.org>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <dsahern@...nel.org>
CC: <netdev@...r.kernel.org>, <bpf@...r.kernel.org>, <liujian56@...wei.com>
Subject: [PATCH bpf-next v4 2/7] selftests/bpf: Add txmsg permanently test for sockmap

Add one test for txmsg ingress permanently test for sockmap.

Signed-off-by: Liu Jian <liujian56@...wei.com>
---
 tools/testing/selftests/bpf/test_sockmap.c | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 024a0faafb3b..bf2cef7ae3ae 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -77,6 +77,7 @@ int txmsg_end_push;
 int txmsg_start_pop;
 int txmsg_pop;
 int txmsg_ingress;
+int txmsg_permanent;
 int txmsg_redir_skb;
 int txmsg_ktls_skb;
 int txmsg_ktls_skb_drop;
@@ -107,6 +108,7 @@ static const struct option long_options[] = {
 	{"txmsg_start_pop",  required_argument,	NULL, 'w'},
 	{"txmsg_pop",	     required_argument,	NULL, 'x'},
 	{"txmsg_ingress", no_argument,		&txmsg_ingress, 1 },
+	{"txmsg_permanent", no_argument,	&txmsg_permanent, 1 },
 	{"txmsg_redir_skb", no_argument,	&txmsg_redir_skb, 1 },
 	{"ktls", no_argument,			&ktls, 1 },
 	{"peek", no_argument,			&peek_flag, 1 },
@@ -175,7 +177,7 @@ static void test_reset(void)
 	txmsg_start_push = txmsg_end_push = 0;
 	txmsg_pass = txmsg_drop = txmsg_redir = 0;
 	txmsg_apply = txmsg_cork = 0;
-	txmsg_ingress = txmsg_redir_skb = 0;
+	txmsg_ingress = txmsg_permanent = txmsg_redir_skb = 0;
 	txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0;
 	txmsg_omit_skb_parser = 0;
 	skb_use_parser = 0;
@@ -1165,10 +1167,13 @@ static int run_options(struct sockmap_options *options, int cg_fd,  int test)
 		}
 
 		if (txmsg_ingress) {
-			int in = BPF_F_INGRESS;
+			int txmsg_flag = BPF_F_INGRESS;
+
+			if (txmsg_permanent)
+				txmsg_flag |= BPF_F_PERMANENT;
 
 			i = 0;
-			err = bpf_map_update_elem(map_fd[6], &i, &in, BPF_ANY);
+			err = bpf_map_update_elem(map_fd[6], &i, &txmsg_flag, BPF_ANY);
 			if (err) {
 				fprintf(stderr,
 					"ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
@@ -1506,6 +1511,14 @@ static void test_txmsg_ingress_redir(int cgrp, struct sockmap_options *opt)
 	test_send(opt, cgrp);
 }
 
+static void test_txmsg_ingress_redir_permanent(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_pass = txmsg_drop = 0;
+	txmsg_ingress = txmsg_redir = 1;
+	txmsg_permanent = 1;
+	test_send(opt, cgrp);
+}
+
 static void test_txmsg_skb(int cgrp, struct sockmap_options *opt)
 {
 	bool data = opt->data_test;
@@ -1862,6 +1875,7 @@ struct _test test[] = {
 	{"txmsg test redirect wait send mem", test_txmsg_redir_wait_sndmem},
 	{"txmsg test drop", test_txmsg_drop},
 	{"txmsg test ingress redirect", test_txmsg_ingress_redir},
+	{"txmsg test ingress redirect permanent", test_txmsg_ingress_redir_permanent},
 	{"txmsg test skb", test_txmsg_skb},
 	{"txmsg test apply", test_txmsg_apply},
 	{"txmsg test cork", test_txmsg_cork},
-- 
2.34.1