122 			  struct tls_prot_info *prot, struct sk_buff *skb)  in padding_length()  argument
128 	if (prot->version == TLS_1_3_VERSION) {  in padding_length()
134 			if (back > rxm->full_len - prot->prepend_size)  in padding_length()
158 	struct tls_prot_info *prot;  in tls_decrypt_done()  local
167 	prot = &tls_ctx->prot_info;  in tls_decrypt_done()
180 		pad = padding_length(ctx, prot, skb);  in tls_decrypt_done()
186 			rxm->offset += prot->prepend_size;  in tls_decrypt_done()
187 			rxm->full_len -= prot->overhead_size;  in tls_decrypt_done()
227 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_do_decryption()  local
232 	aead_request_set_ad(aead_req, prot->aad_size);  in tls_do_decryption()
234 			       data_len + prot->tag_size,  in tls_do_decryption()
272 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_trim_both_msgs()  local
278 		target_size += prot->overhead_size;  in tls_trim_both_msgs()
295 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_clone_plaintext_msg()  local
311 	skip = prot->prepend_size + msg_pl->sg.size;  in tls_clone_plaintext_msg()
319 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_get_rec()  local
338 	sg_set_buf(&rec->sg_aead_in[0], rec->aad_space, prot->aad_size);  in tls_get_rec()
342 	sg_set_buf(&rec->sg_aead_out[0], rec->aad_space, prot->aad_size);  in tls_get_rec()
431 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_encrypt_done()  local
443 	sge->offset -= prot->prepend_size;  in tls_encrypt_done()
444 	sge->length += prot->prepend_size;  in tls_encrypt_done()
493 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_do_encryption()  local
500 	if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) {  in tls_do_encryption()
506 	       prot->iv_size + prot->salt_size);  in tls_do_encryption()
508 	xor_iv_with_seq(prot->version, rec->iv_data, tls_ctx->tx.rec_seq);  in tls_do_encryption()
510 	sge->offset += prot->prepend_size;  in tls_do_encryption()
511 	sge->length -= prot->prepend_size;  in tls_do_encryption()
516 	aead_request_set_ad(aead_req, prot->aad_size);  in tls_do_encryption()
531 		sge->offset -= prot->prepend_size;  in tls_do_encryption()
532 		sge->length += prot->prepend_size;  in tls_do_encryption()
544 	tls_advance_record_sn(sk, prot, &tls_ctx->tx);  in tls_do_encryption()
670 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_push_record()  local
689 		      prot->overhead_size > msg_en->sg.size) ||  in tls_push_record()
692 		      prot->overhead_size > msg_en->sg.size))) {  in tls_push_record()
698 					   split_point, prot->overhead_size,  in tls_push_record()
714 			    prot->overhead_size);  in tls_push_record()
724 	if (prot->version == TLS_1_3_VERSION) {  in tls_push_record()
750 	tls_make_aad(rec->aad_space, msg_pl->sg.size + prot->tail_size,  in tls_push_record()
751 		     tls_ctx->tx.rec_seq, prot->rec_seq_size,  in tls_push_record()
752 		     record_type, prot->version);  in tls_push_record()
757 			 msg_pl->sg.size + prot->tail_size,  in tls_push_record()
758 			 record_type, prot->version);  in tls_push_record()
763 			       msg_pl->sg.size + prot->tail_size, i);  in tls_push_record()
777 		sk_msg_trim(sk, msg_en, msg_pl->sg.size + prot->overhead_size);  in tls_push_record()
919 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_sendmsg()  local
983 				prot->overhead_size;  in tls_sw_sendmsg()
1051 				    msg_pl->sg.size + prot->overhead_size);  in tls_sw_sendmsg()
1145 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_do_sendpage()  local
1187 		required_size = msg_pl->sg.size + copy + prot->overhead_size;  in tls_sw_do_sendpage()
1407 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in decrypt_internal()  local
1415 	const int data_len = rxm->full_len - prot->overhead_size +  in decrypt_internal()
1416 			     prot->tail_size;  in decrypt_internal()
1424 		n_sgin = skb_nsg(skb, rxm->offset + prot->prepend_size,  in decrypt_internal()
1425 				 rxm->full_len - prot->prepend_size);  in decrypt_internal()
1442 	mem_size = mem_size + prot->aad_size;  in decrypt_internal()
1458 	iv = aad + prot->aad_size;  in decrypt_internal()
1461 	if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) {  in decrypt_internal()
1468 			    iv + iv_offset + prot->salt_size,  in decrypt_internal()
1469 			    prot->iv_size);  in decrypt_internal()
1474 	if (prot->version == TLS_1_3_VERSION)  in decrypt_internal()
1478 		memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size);  in decrypt_internal()
1480 	xor_iv_with_seq(prot->version, iv, tls_ctx->rx.rec_seq);  in decrypt_internal()
1483 	tls_make_aad(aad, rxm->full_len - prot->overhead_size +  in decrypt_internal()
1484 		     prot->tail_size,  in decrypt_internal()
1485 		     tls_ctx->rx.rec_seq, prot->rec_seq_size,  in decrypt_internal()
1486 		     ctx->control, prot->version);  in decrypt_internal()
1490 	sg_set_buf(&sgin[0], aad, prot->aad_size);  in decrypt_internal()
1492 			   rxm->offset + prot->prepend_size,  in decrypt_internal()
1493 			   rxm->full_len - prot->prepend_size);  in decrypt_internal()
1502 			sg_set_buf(&sgout[0], aad, prot->aad_size);  in decrypt_internal()
1543 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in decrypt_skb_update()  local
1560 					tls_advance_record_sn(sk, prot,  in decrypt_skb_update()
1571 		pad = padding_length(ctx, prot, skb);  in decrypt_skb_update()
1576 		rxm->offset += prot->prepend_size;  in decrypt_skb_update()
1577 		rxm->full_len -= prot->overhead_size;  in decrypt_skb_update()
1578 		tls_advance_record_sn(sk, prot, &tls_ctx->rx);  in decrypt_skb_update()
1739 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_recvmsg()  local
1805 			if (prot->version == TLS_1_3_VERSION)  in tls_sw_recvmsg()
1813 		to_decrypt = rxm->full_len - prot->overhead_size;  in tls_sw_recvmsg()
1817 		    prot->version != TLS_1_3_VERSION &&  in tls_sw_recvmsg()
1837 		} else if (prot->version == TLS_1_3_VERSION) {  in tls_sw_recvmsg()
2051 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_read_size()  local
2059 	if (rxm->offset + prot->prepend_size > skb->len)  in tls_read_size()
2063 	if (WARN_ON(prot->prepend_size > sizeof(header))) {  in tls_read_size()
2069 	ret = skb_copy_bits(skb, rxm->offset, header, prot->prepend_size);  in tls_read_size()
2078 	cipher_overhead = prot->tag_size;  in tls_read_size()
2079 	if (prot->version != TLS_1_3_VERSION)  in tls_read_size()
2080 		cipher_overhead += prot->iv_size;  in tls_read_size()
2083 	    prot->tail_size) {  in tls_read_size()
2294 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_set_sw_offload()  local
2425 		prot->aad_size = TLS_HEADER_SIZE;  in tls_set_sw_offload()
2426 		prot->tail_size = 1;  in tls_set_sw_offload()
2428 		prot->aad_size = TLS_AAD_SPACE_SIZE;  in tls_set_sw_offload()
2429 		prot->tail_size = 0;  in tls_set_sw_offload()
2432 	prot->version = crypto_info->version;  in tls_set_sw_offload()
2433 	prot->cipher_type = crypto_info->cipher_type;  in tls_set_sw_offload()
2434 	prot->prepend_size = TLS_HEADER_SIZE + nonce_size;  in tls_set_sw_offload()
2435 	prot->tag_size = tag_size;  in tls_set_sw_offload()
2436 	prot->overhead_size = prot->prepend_size +  in tls_set_sw_offload()
2437 			      prot->tag_size + prot->tail_size;  in tls_set_sw_offload()
2438 	prot->iv_size = iv_size;  in tls_set_sw_offload()
2439 	prot->salt_size = salt_size;  in tls_set_sw_offload()
2446 	prot->rec_seq_size = rec_seq_size;  in tls_set_sw_offload()
2471 	rc = crypto_aead_setauthsize(*aead, prot->tag_size);  in tls_set_sw_offload()