From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198

---
 kernel/tools/testing/selftests/bpf/prog_tests/sk_assign.c |   25 +++++++++++++++++++------
 1 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/kernel/tools/testing/selftests/bpf/prog_tests/sk_assign.c b/kernel/tools/testing/selftests/bpf/prog_tests/sk_assign.c
index 3a46909..e09c523 100644
--- a/kernel/tools/testing/selftests/bpf/prog_tests/sk_assign.c
+++ b/kernel/tools/testing/selftests/bpf/prog_tests/sk_assign.c
@@ -29,7 +29,23 @@
 static bool
 configure_stack(void)
 {
+	char tc_version[128];
 	char tc_cmd[BUFSIZ];
+	char *prog;
+	FILE *tc;
+
+	/* Check whether tc is built with libbpf. */
+	tc = popen("tc -V", "r");
+	if (CHECK_FAIL(!tc))
+		return false;
+	if (CHECK_FAIL(!fgets(tc_version, sizeof(tc_version), tc)))
+		return false;
+	if (strstr(tc_version, ", libbpf "))
+		prog = "test_sk_assign_libbpf.o";
+	else
+		prog = "test_sk_assign.o";
+	if (CHECK_FAIL(pclose(tc)))
+		return false;
 
 	/* Move to a new networking namespace */
 	if (CHECK_FAIL(unshare(CLONE_NEWNET)))
@@ -46,8 +62,8 @@
 	/* Load qdisc, BPF program */
 	if (CHECK_FAIL(system("tc qdisc add dev lo clsact")))
 		return false;
-	sprintf(tc_cmd, "%s %s %s %s", "tc filter add dev lo ingress bpf",
-		       "direct-action object-file ./test_sk_assign.o",
+	sprintf(tc_cmd, "%s %s %s %s %s", "tc filter add dev lo ingress bpf",
+		       "direct-action object-file", prog,
 		       "section classifier/sk_assign_test",
 		       (env.verbosity < VERBOSE_VERY) ? " 2>/dev/null" : "verbose");
 	if (CHECK(system(tc_cmd), "BPF load failed;",
@@ -129,15 +145,12 @@
 static ssize_t
 rcv_msg(int srv_client, int type)
 {
-	struct sockaddr_storage ss;
 	char buf[BUFSIZ];
-	socklen_t slen;
 
 	if (type == SOCK_STREAM)
 		return read(srv_client, &buf, sizeof(buf));
 	else
-		return recvfrom(srv_client, &buf, sizeof(buf), 0,
-				(struct sockaddr *)&ss, &slen);
+		return recvfrom(srv_client, &buf, sizeof(buf), 0, NULL, NULL);
 }
 
 static int

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