[PATCH bpf-next v4 3/7] selftests/bpf: Add txmsg redir permanently test for sockmap

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Add one test for txmsg redir permanently test for sockmap.

Signed-off-by: Liu Jian <liujian56@xxxxxxxxxx>
---
 .../selftests/bpf/progs/test_sockmap_kern.h   |  3 ++-
 tools/testing/selftests/bpf/test_sockmap.c    | 21 +++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
index 99d2ea9fb658..b0a2ddd55b83 100644
--- a/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
@@ -298,8 +298,9 @@ int bpf_prog6(struct sk_msg_md *msg)
 
 	f = bpf_map_lookup_elem(&sock_redir_flags, &zero);
 	if (f && *f) {
-		key = 2;
 		flags = *f;
+		if (flags & BPF_F_INGRESS)
+			key = 2;
 	}
 #ifdef SOCKMAP
 	return bpf_msg_redirect_map(msg, &sock_map_redir, key, flags);
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index bf2cef7ae3ae..c602ac8780a8 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -1166,6 +1166,19 @@ static int run_options(struct sockmap_options *options, int cg_fd,  int test)
 
 		}
 
+		if (txmsg_permanent) {
+			int txmsg_flag = BPF_F_PERMANENT;
+
+			i = 0;
+			err = bpf_map_update_elem(map_fd[6], &i, &txmsg_flag, BPF_ANY);
+			if (err) {
+				fprintf(stderr,
+					"ERROR: bpf_map_update_elem (txmsg_permanent): %d (%s)\n",
+					err, strerror(errno));
+				goto out;
+			}
+		}
+
 		if (txmsg_ingress) {
 			int txmsg_flag = BPF_F_INGRESS;
 
@@ -1490,6 +1503,13 @@ static void test_txmsg_redir(int cgrp, struct sockmap_options *opt)
 	test_send(opt, cgrp);
 }
 
+static void test_txmsg_redir_permanent(int cgrp, struct sockmap_options *opt)
+{
+	txmsg_redir = 1;
+	txmsg_permanent = 1;
+	test_send(opt, cgrp);
+}
+
 static void test_txmsg_redir_wait_sndmem(int cgrp, struct sockmap_options *opt)
 {
 	txmsg_redir = 1;
@@ -1872,6 +1892,7 @@ static int populate_progs(char *bpf_file)
 struct _test test[] = {
 	{"txmsg test passthrough", test_txmsg_pass},
 	{"txmsg test redirect", test_txmsg_redir},
+	{"txmsg test redirect permanent", test_txmsg_redir_permanent},
 	{"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},
-- 
2.34.1





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