CHECK: spaces preferred around that '<<' (ctx:VxV)
#60: FILE: include/uapi/linux/bpf.h:6905:
+	BPF_SOCK_OPS_RX_TIMESTAMPING_OPT_CB_FLAG = (1<<8),
 	                                             ^

WARNING: line length of 90 exceeds 80 columns
#99: FILE: net/ipv4/tcp.c:2263:
+static void tcp_bpf_recv_timestamp(struct sock *sk, struct scm_timestamping_internal *tss)

WARNING: line length of 81 exceeds 80 columns
#103: FILE: net/ipv4/tcp.c:2267:
+	if (BPF_SOCK_OPS_TEST_FLAG(tp, BPF_SOCK_OPS_RX_TIMESTAMPING_OPT_CB_FLAG))

CHECK: spaces preferred around that '<<' (ctx:VxV)
#132: FILE: tools/include/uapi/linux/bpf.h:6905:
+	BPF_SOCK_OPS_RX_TIMESTAMPING_OPT_CB_FLAG = (1<<8),
 	                                             ^

total: 0 errors, 2 warnings, 2 checks, 85 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 0130b3bdf9fb ("net-timestamp: add bpf framework for rx timestamps") 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, 2 warnings, 2 checks, 85 lines checked