WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#43: 
new file mode 100644

WARNING: line length of 99 exceeds 80 columns
#148: FILE: tools/testing/selftests/net/tfo.c:101:
+	sendto(fd, msg, strlen(msg), MSG_FASTOPEN, (struct sockaddr *)&cfg_addr, sizeof(cfg_addr));

WARNING: line length of 87 exceeds 80 columns
#155: FILE: tools/testing/selftests/net/tfo.c:108:
+	error(1, 0, "Usage: %s (-s|-c) -h<server_ip> -p<port> -o<outfile> ", filepath);

CHECK: No space is necessary after a cast
#160: FILE: tools/testing/selftests/net/tfo.c:113:
+	struct sockaddr_in6 *addr6 = (void *) &cfg_addr;

total: 0 errors, 3 warnings, 1 checks, 185 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 acbd648a3120 ("selftests: net: add passive TFO test binary") 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, 3 warnings, 1 checks, 185 lines checked