WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#42: 
new file mode 100644

WARNING: line length of 91 exceeds 80 columns
#98: FILE: tools/testing/selftests/bpf/test_xsk.c:52:
+	ksft_test_result_fail("FAIL: %s %s%s\n", mode_string(test), busy_poll_string(test),

WARNING: line length of 92 exceeds 80 columns
#104: FILE: tools/testing/selftests/bpf/test_xsk.c:58:
+ * 16-bits and a intra packet data sequence number in the lower 16 bits. So the 3rd packet's

WARNING: line length of 84 exceeds 80 columns
#105: FILE: tools/testing/selftests/bpf/test_xsk.c:59:
+ * 5th word of data will contain the number (2<<16) | 4 as they are numbered from 0.

WARNING: line length of 81 exceeds 80 columns
#131: FILE: tools/testing/selftests/bpf/test_xsk.c:85:
+	return (mode == TEST_MODE_SKB) ? XDP_FLAGS_SKB_MODE : XDP_FLAGS_DRV_MODE;

WARNING: line length of 88 exceeds 80 columns
#139: FILE: tools/testing/selftests/bpf/test_xsk.c:93:
+int xsk_configure_umem(struct ifobject *ifobj, struct xsk_umem_info *umem, void *buffer,

CHECK: Alignment should match open parenthesis
#140: FILE: tools/testing/selftests/bpf/test_xsk.c:94:
+int xsk_configure_umem(struct ifobject *ifobj, struct xsk_umem_info *umem, void *buffer,
+			      u64 size)

WARNING: line length of 81 exceeds 80 columns
#196: FILE: tools/testing/selftests/bpf/test_xsk.c:150:
+	if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_PREFER_BUSY_POLL,

WARNING: line length of 81 exceeds 80 columns
#206: FILE: tools/testing/selftests/bpf/test_xsk.c:160:
+	if (setsockopt(xsk_socket__fd(xsk->xsk), SOL_SOCKET, SO_BUSY_POLL_BUDGET,

WARNING: line length of 81 exceeds 80 columns
#211: FILE: tools/testing/selftests/bpf/test_xsk.c:165:
+int xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_info *umem,

CHECK: Alignment should match open parenthesis
#212: FILE: tools/testing/selftests/bpf/test_xsk.c:166:
+int xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_info *umem,
+				  struct ifobject *ifobject, bool shared)

WARNING: line length of 95 exceeds 80 columns
#233: FILE: tools/testing/selftests/bpf/test_xsk.c:187:
+	return xsk_socket__create(&xsk->xsk, ifobject->ifindex, 0, umem->umem, rxr, txr, &cfg);

WARNING: line length of 81 exceeds 80 columns
#310: FILE: tools/testing/selftests/bpf/test_xsk.c:264:
+			memset(&ifobj->xsk_arr[j], 0, sizeof(ifobj->xsk_arr[j]));

WARNING: line length of 85 exceeds 80 columns
#311: FILE: tools/testing/selftests/bpf/test_xsk.c:265:
+			ifobj->xsk_arr[j].rxqsize = XSK_RING_CONS__DEFAULT_NUM_DESCS;

WARNING: line length of 91 exceeds 80 columns
#314: FILE: tools/testing/selftests/bpf/test_xsk.c:268:
+				ifobj->xsk_arr[j].pkt_stream = test->tx_pkt_stream_default;

WARNING: line length of 91 exceeds 80 columns
#316: FILE: tools/testing/selftests/bpf/test_xsk.c:270:
+				ifobj->xsk_arr[j].pkt_stream = test->rx_pkt_stream_default;

CHECK: Alignment should match open parenthesis
#345: FILE: tools/testing/selftests/bpf/test_xsk.c:299:
+void test_init(struct test_spec *test, struct ifobject *ifobj_tx,
+			   struct ifobject *ifobj_rx, enum test_mode mode,

WARNING: line length of 91 exceeds 80 columns
#379: FILE: tools/testing/selftests/bpf/test_xsk.c:333:
+static void test_spec_set_xdp_prog(struct test_spec *test, struct bpf_program *xdp_prog_rx,

WARNING: line length of 94 exceeds 80 columns
#380: FILE: tools/testing/selftests/bpf/test_xsk.c:334:
+				   struct bpf_program *xdp_prog_tx, struct bpf_map *xskmap_rx,

WARNING: line length of 92 exceeds 80 columns
#425: FILE: tools/testing/selftests/bpf/test_xsk.c:379:
+static struct pkt *pkt_stream_get_next_rx_pkt(struct pkt_stream *pkt_stream, u32 *pkts_sent)

WARNING: line length of 87 exceeds 80 columns
#476: FILE: tools/testing/selftests/bpf/test_xsk.c:430:
+static u32 pkt_nb_frags(u32 frame_size, struct pkt_stream *pkt_stream, struct pkt *pkt)

WARNING: line length of 88 exceeds 80 columns
#509: FILE: tools/testing/selftests/bpf/test_xsk.c:463:
+static void pkt_set(struct pkt_stream *pkt_stream, struct pkt *pkt, int offset, u32 len)

WARNING: line length of 99 exceeds 80 columns
#516: FILE: tools/testing/selftests/bpf/test_xsk.c:470:
+static void pkt_stream_pkt_set(struct pkt_stream *pkt_stream, struct pkt *pkt, int offset, u32 len)

WARNING: line length of 99 exceeds 80 columns
#529: FILE: tools/testing/selftests/bpf/test_xsk.c:483:
+static struct pkt_stream *__pkt_stream_generate(u32 nb_pkts, u32 pkt_len, u32 nb_start, u32 nb_off)

WARNING: line length of 81 exceeds 80 columns
#557: FILE: tools/testing/selftests/bpf/test_xsk.c:511:
+	return pkt_stream_generate(pkt_stream->nb_pkts, pkt_stream->pkts[0].len);

WARNING: line length of 89 exceeds 80 columns
#560: FILE: tools/testing/selftests/bpf/test_xsk.c:514:
+static void pkt_stream_replace_ifobject(struct ifobject *ifobj, u32 nb_pkts, u32 pkt_len)

WARNING: line length of 86 exceeds 80 columns
#579: FILE: tools/testing/selftests/bpf/test_xsk.c:533:
+		pkt_stream_pkt_set(pkt_stream, &pkt_stream->pkts[i], offset, pkt_len);

WARNING: line length of 84 exceeds 80 columns
#584: FILE: tools/testing/selftests/bpf/test_xsk.c:538:
+static void pkt_stream_replace_half(struct test_spec *test, u32 pkt_len, int offset)

WARNING: line length of 82 exceeds 80 columns
#595: FILE: tools/testing/selftests/bpf/test_xsk.c:549:
+	test->ifobj_rx->xsk->pkt_stream = pkt_stream_generate(pkt_stream->nb_pkts,

WARNING: line length of 87 exceeds 80 columns
#596: FILE: tools/testing/selftests/bpf/test_xsk.c:550:
+							      pkt_stream->pkts[0].len);

WARNING: line length of 82 exceeds 80 columns
#612: FILE: tools/testing/selftests/bpf/test_xsk.c:566:
+						   pkt_stream->pkts[0].len, i, 2);

WARNING: line length of 82 exceeds 80 columns
#617: FILE: tools/testing/selftests/bpf/test_xsk.c:571:
+						   pkt_stream->pkts[0].len, i, 2);

WARNING: line length of 100 exceeds 80 columns
#634: FILE: tools/testing/selftests/bpf/test_xsk.c:588:
+static void pkt_generate(struct xsk_socket_info *xsk, struct xsk_umem_info *umem, u64 addr, u32 len,

WARNING: line length of 98 exceeds 80 columns
#654: FILE: tools/testing/selftests/bpf/test_xsk.c:608:
+static struct pkt_stream *__pkt_stream_generate_custom(struct ifobject *ifobj, struct pkt *frames,

WARNING: line length of 84 exceeds 80 columns
#655: FILE: tools/testing/selftests/bpf/test_xsk.c:609:
+						       u32 nb_frames, bool verbatim)

WARNING: line length of 86 exceeds 80 columns
#688: FILE: tools/testing/selftests/bpf/test_xsk.c:642:
+		print_verbose("offset: %d len: %u valid: %u options: %u pkt_nb: %u\n",

WARNING: line length of 92 exceeds 80 columns
#689: FILE: tools/testing/selftests/bpf/test_xsk.c:643:
+			      pkt->offset, pkt->len, pkt->valid, pkt->options, pkt->pkt_nb);

WARNING: line length of 93 exceeds 80 columns
#705: FILE: tools/testing/selftests/bpf/test_xsk.c:659:
+static void pkt_stream_generate_custom(struct test_spec *test, struct pkt *pkts, u32 nb_pkts)

WARNING: line length of 87 exceeds 80 columns
#709: FILE: tools/testing/selftests/bpf/test_xsk.c:663:
+	pkt_stream = __pkt_stream_generate_custom(test->ifobj_tx, pkts, nb_pkts, true);

WARNING: line length of 88 exceeds 80 columns
#712: FILE: tools/testing/selftests/bpf/test_xsk.c:666:
+	pkt_stream = __pkt_stream_generate_custom(test->ifobj_rx, pkts, nb_pkts, false);

WARNING: line length of 84 exceeds 80 columns
#762: FILE: tools/testing/selftests/bpf/test_xsk.c:716:
+static bool is_offset_correct(struct xsk_umem_info *umem, struct pkt *pkt, u64 addr)

WARNING: line length of 91 exceeds 80 columns
#771: FILE: tools/testing/selftests/bpf/test_xsk.c:725:
+	expected_offset = (pkt_offset + headroom + XDP_PACKET_HEADROOM) % umem->frame_size;

WARNING: line length of 92 exceeds 80 columns
#776: FILE: tools/testing/selftests/bpf/test_xsk.c:730:
+	ksft_print_msg("[%s] expected [%u], got [%u]\n", __func__, expected_offset, offset);

WARNING: line length of 88 exceeds 80 columns
#786: FILE: tools/testing/selftests/bpf/test_xsk.c:740:
+		ksft_print_msg("[%s] expected meta_count [%d], got meta_count [%llu]\n",

WARNING: line length of 85 exceeds 80 columns
#804: FILE: tools/testing/selftests/bpf/test_xsk.c:758:
+		ksft_print_msg("Error: could not find bss section of XDP program\n");

WARNING: line length of 89 exceeds 80 columns
#810: FILE: tools/testing/selftests/bpf/test_xsk.c:764:
+		ksft_print_msg("Error: bpf_map_lookup_elem failed with error %d\n", ret);

WARNING: line length of 95 exceeds 80 columns
#814: FILE: tools/testing/selftests/bpf/test_xsk.c:768:
+	/* Set the 'adjust_value' variable to -EOPNOTSUPP in the XDP program if the adjust_tail

WARNING: line length of 84 exceeds 80 columns
#815: FILE: tools/testing/selftests/bpf/test_xsk.c:769:
+	 * helper is not supported. Skip the adjust_tail test case in this scenario.

WARNING: line length of 93 exceeds 80 columns
#820: FILE: tools/testing/selftests/bpf/test_xsk.c:774:
+static bool is_frag_valid(struct xsk_umem_info *umem, u64 addr, u32 len, u32 expected_pkt_nb,

WARNING: line length of 88 exceeds 80 columns
#834: FILE: tools/testing/selftests/bpf/test_xsk.c:788:
+	if (!umem->unaligned_mode && addr % umem->frame_size + len > umem->frame_size) {

WARNING: line length of 82 exceeds 80 columns
#835: FILE: tools/testing/selftests/bpf/test_xsk.c:789:
+		ksft_print_msg("Frag crosses frame boundary addr: %llx len: %u\n",

WARNING: line length of 87 exceeds 80 columns
#858: FILE: tools/testing/selftests/bpf/test_xsk.c:812:
+		ksft_print_msg("[%s] expected seqnum at start [%u], got seqnum [%u]\n",

WARNING: line length of 85 exceeds 80 columns
#868: FILE: tools/testing/selftests/bpf/test_xsk.c:822:
+		ksft_print_msg("[%s] expected seqnum at end [%u], got seqnum [%u]\n",

WARNING: line length of 85 exceeds 80 columns
#883: FILE: tools/testing/selftests/bpf/test_xsk.c:837:
+		ksft_print_msg("[%s] expected packet length [%d], got length [%d]\n",

WARNING: line length of 87 exceeds 80 columns
#929: FILE: tools/testing/selftests/bpf/test_xsk.c:883:
+		ret = sendto(xsk_socket__fd(xsk->xsk), NULL, 0, MSG_DONTWAIT, NULL, 0);

WARNING: line length of 89 exceeds 80 columns
#933: FILE: tools/testing/selftests/bpf/test_xsk.c:887:
+	if (errno == ENOBUFS || errno == EAGAIN || errno == EBUSY || errno == ENETDOWN) {

WARNING: line length of 84 exceeds 80 columns
#944: FILE: tools/testing/selftests/bpf/test_xsk.c:898:
+	ret = recvfrom(xsk_socket__fd(xsk->xsk), NULL, 0, MSG_DONTWAIT, NULL, NULL);

WARNING: line length of 93 exceeds 80 columns
#966: FILE: tools/testing/selftests/bpf/test_xsk.c:920:
+			u64 addr = *xsk_ring_cons__comp_addr(&xsk->umem->cq, idx + rcvd - 1);

WARNING: line length of 86 exceeds 80 columns
#968: FILE: tools/testing/selftests/bpf/test_xsk.c:922:
+			ksft_print_msg("[%s] Too many packets completed\n", __func__);

WARNING: line length of 81 exceeds 80 columns
#1009: FILE: tools/testing/selftests/bpf/test_xsk.c:963:
+			ksft_print_msg("ERROR: [%s] Poll timed out\n", __func__);

WARNING: line length of 89 exceeds 80 columns
#1034: FILE: tools/testing/selftests/bpf/test_xsk.c:988:
+		const struct xdp_desc *desc = xsk_ring_cons__rx_desc(&xsk->rx, idx_rx++);

WARNING: line length of 81 exceeds 80 columns
#1041: FILE: tools/testing/selftests/bpf/test_xsk.c:995:
+			pkt = pkt_stream_get_next_rx_pkt(pkt_stream, &pkts_sent);

WARNING: line length of 99 exceeds 80 columns
#1043: FILE: tools/testing/selftests/bpf/test_xsk.c:997:
+				ksft_print_msg("[%s] received too many packets addr: %lx len %u\n",

WARNING: line length of 89 exceeds 80 columns
#1049: FILE: tools/testing/selftests/bpf/test_xsk.c:1003:
+		print_verbose("Rx: addr: %lx len: %u options: %u pkt_nb: %u valid: %u\n",

WARNING: line length of 87 exceeds 80 columns
#1050: FILE: tools/testing/selftests/bpf/test_xsk.c:1004:
+			      addr, desc->len, desc->options, pkt->pkt_nb, pkt->valid);

WARNING: line length of 82 exceeds 80 columns
#1052: FILE: tools/testing/selftests/bpf/test_xsk.c:1006:
+		if (!is_frag_valid(umem, addr, desc->len, pkt->pkt_nb, pkt_len) ||

WARNING: line length of 82 exceeds 80 columns
#1053: FILE: tools/testing/selftests/bpf/test_xsk.c:1007:
+		    !is_offset_correct(umem, pkt, addr) || (ifobj->use_metadata &&

WARNING: line length of 85 exceeds 80 columns
#1078: FILE: tools/testing/selftests/bpf/test_xsk.c:1032:
+		/* In the middle of a packet. Start over from beginning of packet. */

WARNING: line length of 92 exceeds 80 columns
#1101: FILE: tools/testing/selftests/bpf/test_xsk.c:1055:
+bool all_packets_received(struct test_spec *test, struct xsk_socket_info *xsk, u32 sock_num,

WARNING: line length of 89 exceeds 80 columns
#1149: FILE: tools/testing/selftests/bpf/test_xsk.c:1103:
+			ksft_print_msg("ERROR: [%s] Receive loop timed out\n", __func__);

WARNING: line length of 92 exceeds 80 columns
#1158: FILE: tools/testing/selftests/bpf/test_xsk.c:1112:
+static int __send_pkts(struct ifobject *ifobject, struct xsk_socket_info *xsk, bool timeout)

WARNING: line length of 86 exceeds 80 columns
#1169: FILE: tools/testing/selftests/bpf/test_xsk.c:1123:
+	if (pkts_in_flight >= (int)((umem_size(umem) - xsk->batch_size * buffer_len) /

WARNING: line length of 91 exceeds 80 columns
#1180: FILE: tools/testing/selftests/bpf/test_xsk.c:1134:
+	while (xsk_ring_prod__reserve(&xsk->tx, xsk->batch_size, &idx) < xsk->batch_size) {

WARNING: line length of 85 exceeds 80 columns
#1185: FILE: tools/testing/selftests/bpf/test_xsk.c:1139:
+					ksft_print_msg("ERROR: [%s] Poll error %d\n",

WARNING: line length of 93 exceeds 80 columns
#1219: FILE: tools/testing/selftests/bpf/test_xsk.c:1173:
+			struct xdp_desc *tx_desc = xsk_ring_prod__tx_desc(&xsk->tx, idx + i);

WARNING: line length of 97 exceeds 80 columns
#1233: FILE: tools/testing/selftests/bpf/test_xsk.c:1187:
+				pkt_generate(xsk, umem, tx_desc->addr, tx_desc->len, pkt->pkt_nb,

WARNING: line length of 87 exceeds 80 columns
#1237: FILE: tools/testing/selftests/bpf/test_xsk.c:1191:
+			print_verbose("Tx addr: %llx len: %u options: %u pkt_nb: %u\n",

WARNING: line length of 98 exceeds 80 columns
#1238: FILE: tools/testing/selftests/bpf/test_xsk.c:1192:
+				      tx_desc->addr, tx_desc->len, tx_desc->options, pkt->pkt_nb);

WARNING: line length of 85 exceeds 80 columns
#1243: FILE: tools/testing/selftests/bpf/test_xsk.c:1197:
+					pkt = pkt_stream_get_next_tx_pkt(pkt_stream);

WARNING: line length of 85 exceeds 80 columns
#1266: FILE: tools/testing/selftests/bpf/test_xsk.c:1220:
+			ksft_print_msg("ERROR: [%s] Poll error %d\n", __func__, ret);

WARNING: line length of 94 exceeds 80 columns
#1297: FILE: tools/testing/selftests/bpf/test_xsk.c:1251:
+			ksft_print_msg("ERROR: [%s] Transmission loop timed out\n", __func__);

WARNING: line length of 95 exceeds 80 columns
#1323: FILE: tools/testing/selftests/bpf/test_xsk.c:1277:
+			if (!pkt_stream || pkt_stream->current_pkt_nb >= pkt_stream->nb_pkts) {

WARNING: line length of 84 exceeds 80 columns
#1327: FILE: tools/testing/selftests/bpf/test_xsk.c:1281:
+			ret = __send_pkts(ifobject, &ifobject->xsk_arr[i], timeout);

WARNING: line length of 86 exceeds 80 columns
#1361: FILE: tools/testing/selftests/bpf/test_xsk.c:1315:
+		ksft_print_msg("[%s] getsockopt optlen error. Expected: %u got: %u\n",

WARNING: line length of 93 exceeds 80 columns
#1455: FILE: tools/testing/selftests/bpf/test_xsk.c:1409:
+		ksft_print_msg("[%s] tx_invalid_descs incorrect. Got [%llu] expected [%u]\n",

CHECK: Alignment should match open parenthesis
#1476: FILE: tools/testing/selftests/bpf/test_xsk.c:1430:
+			ret = xsk_configure_socket(&ifobject->xsk_arr[i], umem,
+						     ifobject, shared);

WARNING: line length of 87 exceeds 80 columns
#1480: FILE: tools/testing/selftests/bpf/test_xsk.c:1434:
+			/* Retry if it fails as xsk_socket__create() is asynchronous */

WARNING: line length of 83 exceeds 80 columns
#1490: FILE: tools/testing/selftests/bpf/test_xsk.c:1444:
+static void thread_common_ops_tx(struct test_spec *test, struct ifobject *ifobject)

WARNING: line length of 83 exceeds 80 columns
#1495: FILE: tools/testing/selftests/bpf/test_xsk.c:1449:
+	memcpy(ifobject->umem, test->ifobj_rx->umem, sizeof(struct xsk_umem_info));

WARNING: line length of 93 exceeds 80 columns
#1499: FILE: tools/testing/selftests/bpf/test_xsk.c:1453:
+static void xsk_populate_fill_ring(struct xsk_umem_info *umem, struct pkt_stream *pkt_stream,

WARNING: line length of 83 exceeds 80 columns
#1516: FILE: tools/testing/selftests/bpf/test_xsk.c:1470:
+		struct pkt *pkt = pkt_stream_get_next_rx_pkt(pkt_stream, &nb_pkts);

WARNING: line length of 84 exceeds 80 columns
#1520: FILE: tools/testing/selftests/bpf/test_xsk.c:1474:
+		for (i = 0; i < pkt_nb_frags(rx_frame_size, pkt_stream, pkt); i++) {

WARNING: line length of 83 exceeds 80 columns
#1524: FILE: tools/testing/selftests/bpf/test_xsk.c:1478:
+				addr = filled * umem->frame_size + umem->base_addr;

WARNING: line length of 96 exceeds 80 columns
#1526: FILE: tools/testing/selftests/bpf/test_xsk.c:1480:
+				addr = pkt->offset % umem->frame_size + umem_alloc_buffer(umem);

WARNING: line length of 99 exceeds 80 columns
#1576: FILE: tools/testing/selftests/bpf/test_xsk.c:1530:
+	xsk_populate_fill_ring(ifobject->umem, ifobject->xsk->pkt_stream, ifobject->use_fill_ring);

WARNING: line length of 81 exceeds 80 columns
#1580: FILE: tools/testing/selftests/bpf/test_xsk.c:1534:
+		ret = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk, i);

WARNING: line length of 81 exceeds 80 columns
#1619: FILE: tools/testing/selftests/bpf/test_xsk.c:1573:
+		err = xsk_update_xskmap(ifobject->xskmap, ifobject->xsk->xsk, 0);

WARNING: line length of 84 exceeds 80 columns
#1621: FILE: tools/testing/selftests/bpf/test_xsk.c:1575:
+			ksft_print_msg("Error: Failed to update xskmap, error %s\n",

WARNING: line length of 88 exceeds 80 columns
#1635: FILE: tools/testing/selftests/bpf/test_xsk.c:1589:
+		if (test->adjust_tail && !is_adjust_tail_supported(ifobject->xdp_progs))

WARNING: line length of 81 exceeds 80 columns
#1665: FILE: tools/testing/selftests/bpf/test_xsk.c:1619:
+	return ifobj->xdp_prog != test->xdp_prog_rx || ifobj->mode != test->mode;

WARNING: line length of 81 exceeds 80 columns
#1672: FILE: tools/testing/selftests/bpf/test_xsk.c:1626:
+	return ifobj->xdp_prog != test->xdp_prog_tx || ifobj->mode != test->mode;

WARNING: line length of 82 exceeds 80 columns
#1675: FILE: tools/testing/selftests/bpf/test_xsk.c:1629:
+static void xsk_reattach_xdp(struct ifobject *ifobj, struct bpf_program *xdp_prog,

WARNING: line length of 88 exceeds 80 columns
#1681: FILE: tools/testing/selftests/bpf/test_xsk.c:1635:
+	err = xsk_attach_xdp_program(xdp_prog, ifobj->ifindex, mode_to_xdp_flags(mode));

WARNING: line length of 83 exceeds 80 columns
#1687: FILE: tools/testing/selftests/bpf/test_xsk.c:1641:
+	if (ifobj->mode != mode && (mode == TEST_MODE_DRV || mode == TEST_MODE_ZC))

WARNING: line length of 83 exceeds 80 columns
#1698: FILE: tools/testing/selftests/bpf/test_xsk.c:1652:
+static void xsk_attach_xdp_progs(struct test_spec *test, struct ifobject *ifobj_rx,

WARNING: line length of 91 exceeds 80 columns
#1702: FILE: tools/testing/selftests/bpf/test_xsk.c:1656:
+		xsk_reattach_xdp(ifobj_rx, test->xdp_prog_rx, test->xskmap_rx, test->mode);

WARNING: line length of 91 exceeds 80 columns
#1708: FILE: tools/testing/selftests/bpf/test_xsk.c:1662:
+		xsk_reattach_xdp(ifobj_tx, test->xdp_prog_tx, test->xskmap_tx, test->mode);

WARNING: line length of 86 exceeds 80 columns
#1711: FILE: tools/testing/selftests/bpf/test_xsk.c:1665:
+static int __testapp_validate_traffic(struct test_spec *test, struct ifobject *ifobj1,

WARNING: line length of 81 exceeds 80 columns
#1718: FILE: tools/testing/selftests/bpf/test_xsk.c:1672:
+		if (test->mode == TEST_MODE_ZC && (!ifobj1->multi_buff_zc_supp ||

WARNING: line length of 94 exceeds 80 columns
#1719: FILE: tools/testing/selftests/bpf/test_xsk.c:1673:
+						   (ifobj2 && !ifobj2->multi_buff_zc_supp))) {

WARNING: line length of 93 exceeds 80 columns
#1720: FILE: tools/testing/selftests/bpf/test_xsk.c:1674:
+			ksft_test_result_skip("Multi buffer for zero-copy not supported.\n");

WARNING: line length of 91 exceeds 80 columns
#1724: FILE: tools/testing/selftests/bpf/test_xsk.c:1678:
+						   (ifobj2 && !ifobj2->multi_buff_supp))) {

WARNING: line length of 90 exceeds 80 columns
#1797: FILE: tools/testing/selftests/bpf/test_xsk.c:1751:
+				ksft_test_result_skip("Failed to change HW ring size.\n");

WARNING: line length of 88 exceeds 80 columns
#1801: FILE: tools/testing/selftests/bpf/test_xsk.c:1755:
+			ksft_test_result_skip("Changing HW ring size not supported.\n");

WARNING: line length of 97 exceeds 80 columns
#1810: FILE: tools/testing/selftests/bpf/test_xsk.c:1764:
+static int testapp_validate_traffic_single_thread(struct test_spec *test, struct ifobject *ifobj)

WARNING: line length of 85 exceeds 80 columns
#1869: FILE: tools/testing/selftests/bpf/test_xsk.c:1823:
+	ret = xsk_update_xskmap(test->ifobj_rx->xskmap, test->ifobj_rx->xsk->xsk, 0);

WARNING: line length of 83 exceeds 80 columns
#1897: FILE: tools/testing/selftests/bpf/test_xsk.c:1851:
+		ksft_test_result_skip("Can not run RX_DROPPED test for ZC mode\n");

WARNING: line length of 81 exceeds 80 columns
#1902: FILE: tools/testing/selftests/bpf/test_xsk.c:1856:
+	test->ifobj_rx->umem->frame_headroom = test->ifobj_rx->umem->frame_size -

WARNING: line length of 96 exceeds 80 columns
#1918: FILE: tools/testing/selftests/bpf/test_xsk.c:1872:
+	pkt_stream_replace(test, DEFAULT_UMEM_BUFFERS + DEFAULT_UMEM_BUFFERS / 2, MIN_PKT_SIZE);

WARNING: line length of 98 exceeds 80 columns
#1919: FILE: tools/testing/selftests/bpf/test_xsk.c:1873:
+	test->ifobj_rx->xsk->pkt_stream = pkt_stream_generate(DEFAULT_UMEM_BUFFERS, MIN_PKT_SIZE);

WARNING: line length of 96 exceeds 80 columns
#1929: FILE: tools/testing/selftests/bpf/test_xsk.c:1883:
+	pkt_stream_replace(test, DEFAULT_UMEM_BUFFERS + DEFAULT_UMEM_BUFFERS / 2, MIN_PKT_SIZE);

WARNING: line length of 98 exceeds 80 columns
#1930: FILE: tools/testing/selftests/bpf/test_xsk.c:1884:
+	test->ifobj_rx->xsk->pkt_stream = pkt_stream_generate(DEFAULT_UMEM_BUFFERS, MIN_PKT_SIZE);

WARNING: line length of 81 exceeds 80 columns
#1985: FILE: tools/testing/selftests/bpf/test_xsk.c:1939:
+		{umem_size, XSK_UMEM__LARGE_FRAME_SIZE, 0, false, XDP_PKT_CONTD},

WARNING: line length of 84 exceeds 80 columns
#1991: FILE: tools/testing/selftests/bpf/test_xsk.c:1945:
+		{0, XSK_UMEM__LARGE_FRAME_SIZE, 0, false, XSK_DESC__INVALID_OPTION},

WARNING: line length of 89 exceeds 80 columns
#2026: FILE: tools/testing/selftests/bpf/test_xsk.c:1980:
+		{umem_size - MIN_PKT_SIZE - 2 * umem->frame_size, MIN_PKT_SIZE, 0, true},

WARNING: line length of 94 exceeds 80 columns
#2062: FILE: tools/testing/selftests/bpf/test_xsk.c:2016:
+	test_spec_set_xdp_prog(test, skel_rx->progs.xsk_xdp_drop, skel_tx->progs.xsk_xdp_drop,

WARNING: line length of 85 exceeds 80 columns
#2084: FILE: tools/testing/selftests/bpf/test_xsk.c:2038:
+		ksft_print_msg("Error: could not find bss section of XDP program\n");

WARNING: line length of 86 exceeds 80 columns
#2116: FILE: tools/testing/selftests/bpf/test_xsk.c:2070:
+	/* create invalid frame by set umem frame_size and pkt length equal to 2048 */

WARNING: line length of 100 exceeds 80 columns
#2139: FILE: tools/testing/selftests/bpf/test_xsk.c:2093:
+			ksft_print_msg("Can't get MAX_SKB_FRAGS from system, using default (17)\n");

WARNING: line length of 81 exceeds 80 columns
#2195: FILE: tools/testing/selftests/bpf/test_xsk.c:2149:
+	size_t mmap_sz = 2 * DEFAULT_UMEM_BUFFERS * XSK_UMEM__DEFAULT_FRAME_SIZE;

WARNING: line length of 81 exceeds 80 columns
#2199: FILE: tools/testing/selftests/bpf/test_xsk.c:2153:
+		    MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, MAP_HUGE_2MB);

WARNING: line length of 88 exceeds 80 columns
#2298: FILE: tools/testing/selftests/bpf/test_xsk.c:2252:
+	umem_size = test->ifobj_tx->umem->num_frames * test->ifobj_tx->umem->frame_size;

WARNING: line length of 91 exceeds 80 columns
#2367: FILE: tools/testing/selftests/bpf/test_xsk.c:2321:
+	/* Set batch_size to 8152 for testing, as the ice HW ignores the 3 lowest bits when

WARNING: line length of 82 exceeds 80 columns
#2370: FILE: tools/testing/selftests/bpf/test_xsk.c:2324:
+	test->ifobj_tx->xsk->batch_size = test->ifobj_tx->ring.tx_max_pending - 8;

WARNING: line length of 82 exceeds 80 columns
#2371: FILE: tools/testing/selftests/bpf/test_xsk.c:2325:
+	test->ifobj_rx->xsk->batch_size = test->ifobj_tx->ring.tx_max_pending - 8;

WARNING: line length of 81 exceeds 80 columns
#2398: FILE: tools/testing/selftests/bpf/test_xsk.c:2352:
+	pkt_stream_replace_ifobject(test->ifobj_tx, DEFAULT_BATCH_SIZE, pkt_len);

WARNING: line length of 89 exceeds 80 columns
#2399: FILE: tools/testing/selftests/bpf/test_xsk.c:2353:
+	pkt_stream_replace_ifobject(test->ifobj_rx, DEFAULT_BATCH_SIZE, pkt_len + value);

WARNING: line length of 99 exceeds 80 columns
#2406: FILE: tools/testing/selftests/bpf/test_xsk.c:2360:
+		ksft_test_result_skip("%s %sResize pkt with bpf_xdp_adjust_tail() not supported\n",

WARNING: line length of 81 exceeds 80 columns
#2407: FILE: tools/testing/selftests/bpf/test_xsk.c:2361:
+				      mode_string(test), busy_poll_string(test));

WARNING: line length of 100 exceeds 80 columns
#2424: FILE: tools/testing/selftests/bpf/test_xsk.c:2378:
+	return testapp_adjust_tail(test, -XSK_UMEM__MAX_FRAME_SIZE, XSK_UMEM__LARGE_FRAME_SIZE * 2);

WARNING: line length of 87 exceeds 80 columns
#2436: FILE: tools/testing/selftests/bpf/test_xsk.c:2390:
+	/* Grow by (frag_size - last_frag_Size) - 1 to stay inside the last fragment */

WARNING: line length of 90 exceeds 80 columns
#2446: FILE: tools/testing/selftests/bpf/test_xsk.c:2400:
+		ksft_test_result_skip("Can not run TX_QUEUE_CONSUMER test for ZC mode\n");

WARNING: line length of 86 exceeds 80 columns
#2531: FILE: tools/testing/selftests/bpf/test_xsk.h:37:
+static void __exit_with_error(int error, const char *file, const char *func, int line)

WARNING: line length of 88 exceeds 80 columns
#2533: FILE: tools/testing/selftests/bpf/test_xsk.h:39:
+	ksft_test_result_fail("[%s:%s:%i]: ERROR: %d/\"%s\"\n", file, func, line, error,

WARNING: line length of 85 exceeds 80 columns
#2537: FILE: tools/testing/selftests/bpf/test_xsk.h:43:
+#define exit_with_error(error) __exit_with_error(error, __FILE__, __func__, __LINE__)

CHECK: Please use a blank line after function/struct/union/enum declarations
#2537: FILE: tools/testing/selftests/bpf/test_xsk.h:43:
+}
+#define exit_with_error(error) __exit_with_error(error, __FILE__, __func__, __LINE__)

CHECK: Please use a blank line after function/struct/union/enum declarations
#2632: FILE: tools/testing/selftests/bpf/test_xsk.h:138:
+};
+struct ifobject *ifobject_create(void);

WARNING: line length of 99 exceeds 80 columns
#2636: FILE: tools/testing/selftests/bpf/test_xsk.h:142:
+int xsk_configure_umem(struct ifobject *ifobj, struct xsk_umem_info *umem, void *buffer, u64 size);

WARNING: line length of 81 exceeds 80 columns
#2637: FILE: tools/testing/selftests/bpf/test_xsk.h:143:
+int xsk_configure_socket(struct xsk_socket_info *xsk, struct xsk_umem_info *umem,

CHECK: Please don't use multiple blank lines
#2640: FILE: tools/testing/selftests/bpf/test_xsk.h:146:
+
+

WARNING: line length of 86 exceeds 80 columns
#2752: FILE: tools/testing/selftests/bpf/test_xsk.h:258:
+	{.name = "SEND_RECEIVE_2K_FRAME", .test_func = testapp_send_receive_2k_frame},

WARNING: line length of 88 exceeds 80 columns
#2758: FILE: tools/testing/selftests/bpf/test_xsk.h:264:
+	{.name = "SEND_RECEIVE_UNALIGNED", .test_func = testapp_send_receive_unaligned},

WARNING: line length of 99 exceeds 80 columns
#2760: FILE: tools/testing/selftests/bpf/test_xsk.h:266:
+	{.name = "ALIGNED_INV_DESC_2K_FRAME_SIZE", .test_func = testapp_aligned_inv_desc_2k_frame},

WARNING: line length of 81 exceeds 80 columns
#2768: FILE: tools/testing/selftests/bpf/test_xsk.h:274:
+	{.name = "STAT_TX_INVALID", .test_func = testapp_stats_tx_invalid_descs},

WARNING: line length of 87 exceeds 80 columns
#2775: FILE: tools/testing/selftests/bpf/test_xsk.h:281:
+	{.name = "XDP_METADATA_COPY_MULTI_BUFF", .test_func = testapp_xdp_metadata_mb},

WARNING: line length of 82 exceeds 80 columns
#2776: FILE: tools/testing/selftests/bpf/test_xsk.h:282:
+	{.name = "SEND_RECEIVE_9K_PACKETS", .test_func = testapp_send_receive_mb},

WARNING: line length of 90 exceeds 80 columns
#2779: FILE: tools/testing/selftests/bpf/test_xsk.h:285:
+	{.name = "ALIGNED_INV_DESC_MULTI_BUFF", .test_func = testapp_aligned_inv_desc_mb},

WARNING: line length of 94 exceeds 80 columns
#2780: FILE: tools/testing/selftests/bpf/test_xsk.h:286:
+	{.name = "UNALIGNED_INV_DESC_MULTI_BUFF", .test_func = testapp_unaligned_inv_desc_mb},

WARNING: line length of 82 exceeds 80 columns
#2782: FILE: tools/testing/selftests/bpf/test_xsk.h:288:
+	{.name = "HW_SW_MIN_RING_SIZE", .test_func = testapp_hw_sw_min_ring_size},

WARNING: line length of 82 exceeds 80 columns
#2783: FILE: tools/testing/selftests/bpf/test_xsk.h:289:
+	{.name = "HW_SW_MAX_RING_SIZE", .test_func = testapp_hw_sw_max_ring_size},

WARNING: line length of 84 exceeds 80 columns
#2784: FILE: tools/testing/selftests/bpf/test_xsk.h:290:
+	{.name = "XDP_ADJUST_TAIL_SHRINK", .test_func = testapp_adjust_tail_shrink},

WARNING: line length of 98 exceeds 80 columns
#2785: FILE: tools/testing/selftests/bpf/test_xsk.h:291:
+	{.name = "XDP_ADJUST_TAIL_SHRINK_MULTI_BUFF", .test_func = testapp_adjust_tail_shrink_mb},

WARNING: line length of 94 exceeds 80 columns
#2787: FILE: tools/testing/selftests/bpf/test_xsk.h:293:
+	{.name = "XDP_ADJUST_TAIL_GROW_MULTI_BUFF", .test_func = testapp_adjust_tail_grow_mb},

WARNING: line length of 99 exceeds 80 columns
#3178: FILE: tools/testing/selftests/bpf/xskxceiver.c:265:
+		ksft_test_result_pass("PASS: %s %s%s\n", mode_string(test), busy_poll_string(test),

WARNING: line length of 87 exceeds 80 columns
#3436: FILE: tools/testing/selftests/bpf/xskxceiver.c:282:
+	prog_fd = bpf_prog_load(BPF_PROG_TYPE_XDP, NULL, "GPL", insns, insn_cnt, NULL);

total: 0 errors, 158 warnings, 7 checks, 5544 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 a5d74d0b9a11 ("selftests/bpf: test_xsk: Split xskxceiver") 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, 158 warnings, 7 checks, 5544 lines checked