WARNING: line length of 102 exceeds 80 columns
#531: FILE: tools/testing/selftests/drivers/net/gro.c:1278:
+		printf("DF=1, 2 Incrementing and one fixed - should coalesce only first 2 packets: ");

WARNING: line length of 102 exceeds 80 columns
#536: FILE: tools/testing/selftests/drivers/net/gro.c:1283:
+		printf("DF=1, 2 Fixed and one incrementing - should coalesce only first 2 packets: ");

WARNING: line length of 90 exceeds 80 columns
#556: FILE: tools/testing/selftests/drivers/net/gro.c:1303:
+		printf("ipv6 with ext header with different payloads doesn't coalesce: ");

total: 0 errors, 3 warnings, 0 checks, 643 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 3d5108376f94 ("selftests: drv-net: gro: break out all individual test cases") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 0 checks, 643 lines checked