Lines Matching +full:0 +full:x1ff

20 	XDP_MODE = 0,
27 	XDP_MODE_PASS = 0,
35 	STATS_RX = 0,
331 	return ~((csum & 0xffff) + (csum >> 16)) ? : 0xffff;
338 	__u32 buff_pos, udp_csum = 0;
342 	udph = update_pkt(ctx, 0 - offset, &udp_csum);
348 	offset = (offset & 0x1ff) >= MAX_ADJST_OFFSET ? MAX_ADJST_OFFSET :
349 				     offset & 0xff;
350 	if (offset == 0)
358 	if (bpf_xdp_load_bytes(ctx, buff_pos, tmp_buff, offset) < 0)
361 	udp_csum = bpf_csum_diff((__be32 *)tmp_buff, offset, 0, 0, udp_csum);
364 	if (bpf_xdp_adjust_tail(ctx, 0 - offset) < 0)
367 	return 0;
373 	__u32 buff_pos, udp_csum = 0;
397 	for (int i = 0; i < MAX_ADJST_OFFSET; i++)
400 	offset = (offset & 0x1ff) >= MAX_ADJST_OFFSET ? MAX_ADJST_OFFSET :
401 				     offset & 0xff;
402 	if (offset == 0)
405 	udp_csum = bpf_csum_diff(0, 0, (__be32 *)tmp_buff, offset, udp_csum);
410 	if (bpf_xdp_adjust_tail(ctx, offset) < 0) {
415 	if (bpf_xdp_store_bytes(ctx, buff_len, tmp_buff, offset) < 0)
418 	return 0;
441 	if (*adjust_offset < 0)
443 						(__u16)(0 - *adjust_offset),
464 	__u32 udp_csum = 0;
473 	udph = update_pkt(ctx, (__s16)(0 - offset), &udp_csum);
477 	offset = (offset & 0x1ff) >= MAX_ADJST_OFFSET ? MAX_ADJST_OFFSET :
478 				     offset & 0xff;
479 	if (offset == 0)
482 	if (bpf_xdp_load_bytes(ctx, hdr_len, tmp_buff, offset) < 0)
485 	udp_csum = bpf_csum_diff((__be32 *)tmp_buff, offset, 0, 0, udp_csum);
489 	if (bpf_xdp_load_bytes(ctx, 0, tmp_buff, MAX_ADJST_OFFSET) < 0)
492 	if (bpf_xdp_adjust_head(ctx, offset) < 0)
498 	if (hdr_len > MAX_ADJST_OFFSET || hdr_len == 0)
502 	hdr_len = hdr_len & 0xff;
504 	if (hdr_len == 0)
507 	if (bpf_xdp_store_bytes(ctx, 0, tmp_buff, hdr_len) < 0)
510 	return 0;
522 	__u32 udp_csum = 0;
535 	for (int i = 0; i < MAX_ADJST_OFFSET; i++)
538 	offset = (offset & 0x1ff) >= MAX_ADJST_OFFSET ? MAX_ADJST_OFFSET :
539 				     offset & 0xff;
540 	if (offset == 0)
543 	udp_csum = bpf_csum_diff(0, 0, (__be32 *)data_buff, offset, udp_csum);
546 	if (hdr_len > MAX_ADJST_OFFSET || hdr_len == 0)
550 	hdr_len = hdr_len & 0xff;
552 	if (hdr_len == 0)
555 	if (bpf_xdp_load_bytes(ctx, 0, hdr_buff, hdr_len) < 0)
561 	if (bpf_xdp_adjust_head(ctx, 0 - offset) < 0)
564 	if (bpf_xdp_store_bytes(ctx, 0, hdr_buff, hdr_len) < 0)
567 	if (bpf_xdp_store_bytes(ctx, hdr_len, data_buff, offset) < 0)
570 	return 0;
619 	if (*val < 0)