WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#45: 
new file mode 100644

WARNING: line length of 81 exceeds 80 columns
#108: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:59:
+static int send_cmd(int fd, __u16 nlmsg_type, __u32 nlmsg_pid, __u16 nlmsg_flags,

CHECK: Alignment should match open parenthesis
#109: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:60:
+static int send_cmd(int fd, __u16 nlmsg_type, __u32 nlmsg_pid, __u16 nlmsg_flags,
+			__u8 genl_cmd, __u16 nla_type,

CHECK: No space is necessary after a cast
#126: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:77:
+	na = (struct nlattr *) GENLMSG_DATA(&msg);

CHECK: No space is necessary after a cast
#132: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:83:
+	buf = (char *) &msg;

CHECK: No space is necessary after a cast
#137: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:88:
+	while ((r = sendto(fd, buf, buflen, 0, (struct sockaddr *) &nladdr,

CHECK: braces {} should be used on all arms of this statement
#139: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:90:
+		if (r > 0) {
[...]
+		} else if (errno != EAGAIN)
[...]

CHECK: No space is necessary after a cast
#166: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:117:
+	ret = bind(fd, (struct sockaddr *) &nl_src, sizeof(nl_src));

CHECK: Unnecessary parentheses around 'ret < 0'
#178: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:129:
+	if (!ASSERT_FALSE(msg.n.nlmsg_type == NLMSG_ERROR || (ret < 0) ||
+			  !NLMSG_OK((&msg.n), ret), "nl_family response"))

CHECK: Unnecessary parentheses around '&msg.n'
#178: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:129:
+	if (!ASSERT_FALSE(msg.n.nlmsg_type == NLMSG_ERROR || (ret < 0) ||
+			  !NLMSG_OK((&msg.n), ret), "nl_family response"))

CHECK: No space is necessary after a cast
#182: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:133:
+	nl = (struct nlattr *) GENLMSG_DATA(&msg);

CHECK: No space is necessary after a cast
#183: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:134:
+	nl = (struct nlattr *) ((char *) nl + NLA_ALIGN(nl->nla_len));

CHECK: No space is necessary after a cast
#187: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:138:
+	smc_nl_family_id = *(uint16_t *) NLA_DATA(nl);

CHECK: No space is necessary after a cast
#216: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:167:
+	ret = bind(fd, (struct sockaddr *) &nl_src, sizeof(nl_src));

WARNING: line length of 82 exceeds 80 columns
#227: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:178:
+	if (!ASSERT_FALSE((ret < 0) || !NLMSG_OK((&msg.n), ret), "ueid response"))

CHECK: Unnecessary parentheses around 'ret < 0'
#227: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:178:
+	if (!ASSERT_FALSE((ret < 0) || !NLMSG_OK((&msg.n), ret), "ueid response"))

CHECK: Unnecessary parentheses around '&msg.n'
#227: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:178:
+	if (!ASSERT_FALSE((ret < 0) || !NLMSG_OK((&msg.n), ret), "ueid response"))

WARNING: line length of 96 exceeds 80 columns
#234: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:185:
+			if (!ASSERT_FALSE((err->error && err->error != -ENOENT), "ueid remove"))

WARNING: line length of 84 exceeds 80 columns
#261: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:212:
+	if (!ASSERT_OK(system("ip addr add 127.0.1.0/8 dev lo"), "add server node"))

WARNING: line length of 89 exceeds 80 columns
#264: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:215:
+	if (!ASSERT_OK(system("ip addr add 127.0.2.0/8 dev lo"), "server via risk path"))

WARNING: line length of 85 exceeds 80 columns
#319: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:270:
+	return !ASSERT_EQ(bind(fd, &localaddr, sizeof(localaddr)), 0, "client bind");

WARNING: line length of 84 exceeds 80 columns
#368: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:319:
+ * 2. link-2 is not suitable for using SMC, because the mode of this link is kind of

WARNING: line length of 89 exceeds 80 columns
#370: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:321:
+ * 3. link-3 is also not suitable for using SMC, because the RDMA link is unavailable and

WARNING: line length of 85 exceeds 80 columns
#392: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:343:
+	/* Mock the process of transparent replacement, since we will modify protocol

WARNING: line length of 100 exceeds 80 columns
#543: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:98:
+int BPF_PROG(bpf_smc_set_tcp_option_cond, const struct tcp_sock *tp, struct inet_request_sock *ireq)

WARNING: line length of 81 exceeds 80 columns
#552: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:107:
+	return smc_check_ip(tp->inet_conn.icsk_inet.sk.__sk_common.skc_rcv_saddr,

CHECK: No space is necessary after a cast
#559: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:114:
+	.set_option		= (void *) bpf_smc_set_tcp_option,

CHECK: No space is necessary after a cast
#560: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:115:
+	.set_option_cond	= (void *) bpf_smc_set_tcp_option_cond,

total: 0 errors, 12 warnings, 16 checks, 513 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 51ef2fe11f6d ("bpf/selftests: add selftest for bpf_smc_ops") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 12 warnings, 16 checks, 513 lines checked