WARNING: line length of 96 exceeds 80 columns
#170: FILE: tools/testing/selftests/bpf/network_helpers.c:756:
+		printf("IPv4 ICMP packet: %s -> %s, len %d, type %d, code %d, ifname %s (%s)\n",

WARNING: line length of 98 exceeds 80 columns
#175: FILE: tools/testing/selftests/bpf/network_helpers.c:761:
+		printf("IPv6 ICMPv6 packet: %s -> %s, len %d, type %d, code %d, ifname %s (%s)\n",

WARNING: else is not generally useful after a break or return
#179: FILE: tools/testing/selftests/bpf/network_helpers.c:765:
+		return;
+	} else {

WARNING: line length of 84 exceeds 80 columns
#190: FILE: tools/testing/selftests/bpf/network_helpers.c:776:
+		printf("IPv6 %s packet: [%s]:%d -> [%s]:%d, len %d, ifname %s (%s)",

WARNING: line length of 94 exceeds 80 columns
#276: FILE: tools/testing/selftests/bpf/network_helpers.c:862:
+			log_err("Fail to select on pcap fd and wake fd: %s", strerror(errno));

WARNING: line length of 91 exceeds 80 columns
#320: FILE: tools/testing/selftests/bpf/network_helpers.c:906:
+				snprintf(_ifname, sizeof(_ifname), "unknown(%d)", ifindex);

WARNING: line length of 84 exceeds 80 columns
#324: FILE: tools/testing/selftests/bpf/network_helpers.c:910:
+			printf("Unknown network protocol type %x, ifname %s (%s)\n",

WARNING: line length of 100 exceeds 80 columns
#387: FILE: tools/testing/selftests/bpf/network_helpers.c:973:
+static void encode_test_name(char *buf, size_t len, const char *test_name, const char *subtest_name)

WARNING: line length of 84 exceeds 80 columns
#414: FILE: tools/testing/selftests/bpf/network_helpers.c:1000:
+struct tmonitor_ctx *traffic_monitor_start(const char *netns, const char *test_name,

WARNING: line length of 88 exceeds 80 columns
#436: FILE: tools/testing/selftests/bpf/network_helpers.c:1022:
+	encode_test_name(test_name_buf, sizeof(test_name_buf), test_name, subtest_name);

WARNING: line length of 84 exceeds 80 columns
#542: FILE: tools/testing/selftests/bpf/network_helpers.h:142:
+struct tmonitor_ctx *traffic_monitor_start(const char *netns, const char *test_name,

WARNING: line length of 98 exceeds 80 columns
#546: FILE: tools/testing/selftests/bpf/network_helpers.h:146:
+static inline struct tmonitor_ctx *traffic_monitor_start(const char *netns, const char *test_name,

WARNING: line length of 82 exceeds 80 columns
#547: FILE: tools/testing/selftests/bpf/network_helpers.h:147:
+							 const char *subtest_name)

total: 0 errors, 13 warnings, 0 checks, 505 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 956b545a3f96 ("selftests/bpf: Add traffic monitor functions.") 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, 0 checks, 505 lines checked