ERROR: Macros with multiple statements should be enclosed in a do - while loop
#158: FILE: include/net/libeth/xdp.h:1521:
+#define LIBETH_XDP_DEFINE_START()					      \
+	__diag_push();							      \
+	__diag_ignore(GCC, 8, "-Wold-style-declaration",		      \
+		      "Allow specifying \'static\' after the return type")

WARNING: Macros with flow control statements should be avoided
#195: FILE: include/net/libeth/xdp.h:1558:
+#define LIBETH_XDP_DEFINE_FLUSH_XMIT(name, prep, xmit)			      \
+bool name(struct libeth_xdp_tx_bulk *bq, u32 flags)			      \
+{									      \
+	return libeth_xdp_xmit_flush_bulk(bq, flags, prep, xmit);	      \
+}

ERROR: Macros with complex values should be enclosed in parentheses
#209: FILE: include/net/libeth/xdp.h:1572:
+#define __LIBETH_XDP_DEFINE_RUN_PROG(name, flush, pfx)			      \
+name(struct libeth_xdp_buff *xdp, struct libeth_xdp_tx_bulk *bq)	      \
+{									      \
+	return libeth_##pfx##_run_prog(xdp, bq, flush);			      \
+}

ERROR: Macros with complex values should be enclosed in parentheses
#224: FILE: include/net/libeth/xdp.h:1587:
+#define __LIBETH_XDP_DEFINE_RUN_PASS(name, run, populate, pfx)		      \
+name(struct libeth_xdp_buff *xdp, struct libeth_xdp_tx_bulk *bq,	      \
+     struct napi_struct *napi, struct libeth_rq_napi_stats *ss,		      \
+     const void *desc)							      \
+{									      \
+	return libeth_##pfx##_run_pass(xdp, bq, napi, ss, desc, run,	      \
+				       populate);			      \
+}

WARNING: please, no spaces at the start of a line
#226: FILE: include/net/libeth/xdp.h:1589:
+     struct napi_struct *napi, struct libeth_rq_napi_stats *ss,^I^I      \$

WARNING: please, no spaces at the start of a line
#227: FILE: include/net/libeth/xdp.h:1590:
+     const void *desc)^I^I^I^I^I^I^I      \$

ERROR: Macros with multiple statements should be enclosed in a do - while loop
#243: FILE: include/net/libeth/xdp.h:1606:
+#define __LIBETH_XDP_DEFINE_RUN(name, run, flush, populate, pfx)	      \
+	LIBETH_##pfx##_DEFINE_RUN_PROG(static run, flush);		      \
+	LIBETH_##pfx##_DEFINE_RUN_PASS(name, run, populate)

total: 4 errors, 3 warnings, 0 checks, 231 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 e868ee549926 ("libeth: xdp: add templates for building driver-side callbacks") 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.