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

WARNING: line length of 81 exceeds 80 columns
#105: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:56:
+static int send_cmd(int fd, __u16 nlmsg_type, __u32 nlmsg_pid, __u16 nlmsg_flags,

CHECK: Alignment should match open parenthesis
#106: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:57:
+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
#123: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:74:
+	na = (struct nlattr *) GENLMSG_DATA(&msg);

CHECK: No space is necessary after a cast
#129: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:80:
+	buf = (char *) &msg;

CHECK: No space is necessary after a cast
#134: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:85:
+	while ((r = sendto(fd, buf, buflen, 0, (struct sockaddr *) &nladdr,

CHECK: braces {} should be used on all arms of this statement
#136: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:87:
+		if (r > 0) {
[...]
+		} else if (errno != EAGAIN)
[...]

WARNING: line length of 84 exceeds 80 columns
#160: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:111:
+	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
#163: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:114:
+	if (!ASSERT_OK(system("ip addr add 127.0.2.0/8 dev lo"), "server via risk path"))

CHECK: No space is necessary after a cast
#190: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:141:
+	ret = bind(fd, (struct sockaddr *) &nl_src, sizeof(nl_src));

CHECK: Unnecessary parentheses around 'ret < 0'
#202: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:153:
+	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'
#202: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:153:
+	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
#206: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:157:
+	nl = (struct nlattr *) GENLMSG_DATA(&msg);

CHECK: No space is necessary after a cast
#207: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:158:
+	nl = (struct nlattr *) ((char *) nl + NLA_ALIGN(nl->nla_len));

CHECK: No space is necessary after a cast
#211: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:162:
+	smc_nl_family_id = *(uint16_t *) NLA_DATA(nl);

CHECK: No space is necessary after a cast
#240: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:191:
+	ret = bind(fd, (struct sockaddr *) &nl_src, sizeof(nl_src));

WARNING: line length of 82 exceeds 80 columns
#251: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:202:
+	if (!ASSERT_FALSE((ret < 0) || !NLMSG_OK((&msg.n), ret), "ueid response"))

CHECK: Unnecessary parentheses around 'ret < 0'
#251: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:202:
+	if (!ASSERT_FALSE((ret < 0) || !NLMSG_OK((&msg.n), ret), "ueid response"))

CHECK: Unnecessary parentheses around '&msg.n'
#251: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:202:
+	if (!ASSERT_FALSE((ret < 0) || !NLMSG_OK((&msg.n), ret), "ueid response"))

WARNING: line length of 96 exceeds 80 columns
#258: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:209:
+			if (!ASSERT_FALSE((err->error && err->error != -ENOENT), "ueid remove"))

CHECK: No space is necessary after a cast
#291: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:242:
+	(void) smc_ueid(SMC_NETLINK_REMOVE_UEID);

CHECK: No space is necessary after a cast
#301: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:252:
+	(void) smc_ueid(SMC_NETLINK_REMOVE_UEID);

WARNING: line length of 84 exceeds 80 columns
#304: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:255:
+static pthread_t create_service(const char *ip, int port, void *(*handler) (void *))

WARNING: line length of 84 exceeds 80 columns
#493: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:444:
+ * 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
#495: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:446:
+ * 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
#518: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:469:
+	/* Mock the process of transparent replacement, since we will modify protocol

WARNING: line length of 81 exceeds 80 columns
#539: FILE: tools/testing/selftests/bpf/prog_tests/test_bpf_smc.c:490:
+	service_3 = create_service(SERVER_IP_VIA_RISK_PATH, SERVICE_3, service3);

WARNING: line length of 100 exceeds 80 columns
#681: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:91:
+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
#690: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:100:
+	return smc_check_ip(tp->inet_conn.icsk_inet.sk.__sk_common.skc_rcv_saddr,

CHECK: No space is necessary after a cast
#697: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:107:
+	.set_option		= (void *) bpf_smc_set_tcp_option,

CHECK: No space is necessary after a cast
#698: FILE: tools/testing/selftests/bpf/progs/bpf_smc.c:108:
+	.set_option_cond	= (void *) bpf_smc_set_tcp_option_cond,

total: 0 errors, 13 warnings, 18 checks, 651 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 e2591f87dfcd ("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, 13 warnings, 18 checks, 651 lines checked