150 static int nx842_crypto_add_header(struct nx842_crypto_header *hdr, u8 *buf)  in nx842_crypto_add_header()  argument
152 	int s = NX842_CRYPTO_HEADER_SIZE(hdr->groups);  in nx842_crypto_add_header()
155 	if (s > be16_to_cpu(hdr->group[0].padding)) {  in nx842_crypto_add_header()
160 	memcpy(buf, hdr, s);  in nx842_crypto_add_header()
263 	struct nx842_crypto_header *hdr = &ctx->header;  in nx842_crypto_compress()  local
297 	hdr->magic = cpu_to_be16(NX842_CRYPTO_MAGIC);  in nx842_crypto_compress()
298 	hdr->groups = 0;  in nx842_crypto_compress()
299 	hdr->ignore = 0;  in nx842_crypto_compress()
302 		n = hdr->groups++;  in nx842_crypto_compress()
304 		if (hdr->groups > NX842_CRYPTO_GROUP_MAX)  in nx842_crypto_compress()
313 		ret = compress(ctx, &p, &hdr->group[n], &c, &ignore, h);  in nx842_crypto_compress()
318 	if (!add_header && hdr->groups > 1) {  in nx842_crypto_compress()
325 	hdr->ignore = cpu_to_be16(ignore);  in nx842_crypto_compress()
330 		ret = nx842_crypto_add_header(hdr, dst);  in nx842_crypto_compress()
447 	struct nx842_crypto_header *hdr;  in nx842_crypto_decompress()  local
463 	hdr = (struct nx842_crypto_header *)src;  in nx842_crypto_decompress()
470 	if (be16_to_cpu(hdr->magic) != NX842_CRYPTO_MAGIC) {  in nx842_crypto_decompress()
484 	if (!hdr->groups) {  in nx842_crypto_decompress()
489 	if (hdr->groups > NX842_CRYPTO_GROUP_MAX) {  in nx842_crypto_decompress()
491 		       hdr->groups, NX842_CRYPTO_GROUP_MAX);  in nx842_crypto_decompress()
496 	hdr_len = NX842_CRYPTO_HEADER_SIZE(hdr->groups);  in nx842_crypto_decompress()
503 	hdr = &ctx->header;  in nx842_crypto_decompress()
505 	for (n = 0; n < hdr->groups; n++) {  in nx842_crypto_decompress()
507 		if (n + 1 == hdr->groups)  in nx842_crypto_decompress()
508 			ignore = be16_to_cpu(hdr->ignore);  in nx842_crypto_decompress()
510 		ret = decompress(ctx, &p, &hdr->group[n], &c, ignore);  in nx842_crypto_decompress()