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()
177 		pad = padding_length(ctx, prot, skb);  in tls_decrypt_done()
183 			rxm->offset += prot->prepend_size;  in tls_decrypt_done()
184 			rxm->full_len -= prot->overhead_size;  in tls_decrypt_done()
222 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_do_decryption()  local
227 	aead_request_set_ad(aead_req, prot->aad_size);  in tls_do_decryption()
229 			       data_len + prot->tag_size,  in tls_do_decryption()
267 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_trim_both_msgs()  local
273 		target_size += prot->overhead_size;  in tls_trim_both_msgs()
290 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_clone_plaintext_msg()  local
306 	skip = prot->prepend_size + msg_pl->sg.size;  in tls_clone_plaintext_msg()
314 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_get_rec()  local
333 	sg_set_buf(&rec->sg_aead_in[0], rec->aad_space, prot->aad_size);  in tls_get_rec()
337 	sg_set_buf(&rec->sg_aead_out[0], rec->aad_space, prot->aad_size);  in tls_get_rec()
426 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_encrypt_done()  local
438 	sge->offset -= prot->prepend_size;  in tls_encrypt_done()
439 	sge->length += prot->prepend_size;  in tls_encrypt_done()
486 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_do_encryption()  local
493 	if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) {  in tls_do_encryption()
499 	       prot->iv_size + prot->salt_size);  in tls_do_encryption()
501 	xor_iv_with_seq(prot->version, rec->iv_data, tls_ctx->tx.rec_seq);  in tls_do_encryption()
503 	sge->offset += prot->prepend_size;  in tls_do_encryption()
504 	sge->length -= prot->prepend_size;  in tls_do_encryption()
509 	aead_request_set_ad(aead_req, prot->aad_size);  in tls_do_encryption()
524 		sge->offset -= prot->prepend_size;  in tls_do_encryption()
525 		sge->length += prot->prepend_size;  in tls_do_encryption()
537 	tls_advance_record_sn(sk, prot, &tls_ctx->tx);  in tls_do_encryption()
663 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_push_record()  local
682 					   split_point, prot->overhead_size,  in tls_push_record()
687 			    prot->overhead_size);  in tls_push_record()
697 	if (prot->version == TLS_1_3_VERSION) {  in tls_push_record()
718 	tls_make_aad(rec->aad_space, msg_pl->sg.size + prot->tail_size,  in tls_push_record()
719 		     tls_ctx->tx.rec_seq, prot->rec_seq_size,  in tls_push_record()
720 		     record_type, prot->version);  in tls_push_record()
725 			 msg_pl->sg.size + prot->tail_size,  in tls_push_record()
726 			 record_type, prot->version);  in tls_push_record()
731 			       msg_pl->sg.size + prot->tail_size, i);  in tls_push_record()
745 		sk_msg_trim(sk, msg_en, msg_pl->sg.size + prot->overhead_size);  in tls_push_record()
880 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_sendmsg()  local
941 				prot->overhead_size;  in tls_sw_sendmsg()
1011 				    msg_pl->sg.size + prot->overhead_size);  in tls_sw_sendmsg()
1098 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_do_sendpage()  local
1140 		required_size = msg_pl->sg.size + copy + prot->overhead_size;  in tls_sw_do_sendpage()
1353 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in decrypt_internal()  local
1361 	const int data_len = rxm->full_len - prot->overhead_size +  in decrypt_internal()
1362 			     prot->tail_size;  in decrypt_internal()
1370 		n_sgin = skb_nsg(skb, rxm->offset + prot->prepend_size,  in decrypt_internal()
1371 				 rxm->full_len - prot->prepend_size);  in decrypt_internal()
1388 	mem_size = mem_size + prot->aad_size;  in decrypt_internal()
1404 	iv = aad + prot->aad_size;  in decrypt_internal()
1407 	if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) {  in decrypt_internal()
1414 			    iv + iv_offset + prot->salt_size,  in decrypt_internal()
1415 			    prot->iv_size);  in decrypt_internal()
1420 	if (prot->version == TLS_1_3_VERSION)  in decrypt_internal()
1424 		memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size);  in decrypt_internal()
1426 	xor_iv_with_seq(prot->version, iv, tls_ctx->rx.rec_seq);  in decrypt_internal()
1429 	tls_make_aad(aad, rxm->full_len - prot->overhead_size +  in decrypt_internal()
1430 		     prot->tail_size,  in decrypt_internal()
1431 		     tls_ctx->rx.rec_seq, prot->rec_seq_size,  in decrypt_internal()
1432 		     ctx->control, prot->version);  in decrypt_internal()
1436 	sg_set_buf(&sgin[0], aad, prot->aad_size);  in decrypt_internal()
1438 			   rxm->offset + prot->prepend_size,  in decrypt_internal()
1439 			   rxm->full_len - prot->prepend_size);  in decrypt_internal()
1448 			sg_set_buf(&sgout[0], aad, prot->aad_size);  in decrypt_internal()
1489 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in decrypt_skb_update()  local
1506 					tls_advance_record_sn(sk, prot,  in decrypt_skb_update()
1515 		pad = padding_length(ctx, prot, skb);  in decrypt_skb_update()
1520 		rxm->offset += prot->prepend_size;  in decrypt_skb_update()
1521 		rxm->full_len -= prot->overhead_size;  in decrypt_skb_update()
1522 		tls_advance_record_sn(sk, prot, &tls_ctx->rx);  in decrypt_skb_update()
1683 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_recvmsg()  local
1746 			if (prot->version == TLS_1_3_VERSION)  in tls_sw_recvmsg()
1754 		to_decrypt = rxm->full_len - prot->overhead_size;  in tls_sw_recvmsg()
1758 		    prot->version != TLS_1_3_VERSION)  in tls_sw_recvmsg()
1777 		} else if (prot->version == TLS_1_3_VERSION) {  in tls_sw_recvmsg()
1971 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_read_size()  local
1979 	if (rxm->offset + prot->prepend_size > skb->len)  in tls_read_size()
1983 	if (WARN_ON(prot->prepend_size > sizeof(header))) {  in tls_read_size()
1989 	ret = skb_copy_bits(skb, rxm->offset, header, prot->prepend_size);  in tls_read_size()
1998 	cipher_overhead = prot->tag_size;  in tls_read_size()
1999 	if (prot->version != TLS_1_3_VERSION)  in tls_read_size()
2000 		cipher_overhead += prot->iv_size;  in tls_read_size()
2003 	    prot->tail_size) {  in tls_read_size()
2207 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_set_sw_offload()  local
2336 		prot->aad_size = TLS_HEADER_SIZE;  in tls_set_sw_offload()
2337 		prot->tail_size = 1;  in tls_set_sw_offload()
2339 		prot->aad_size = TLS_AAD_SPACE_SIZE;  in tls_set_sw_offload()
2340 		prot->tail_size = 0;  in tls_set_sw_offload()
2343 	prot->version = crypto_info->version;  in tls_set_sw_offload()
2344 	prot->cipher_type = crypto_info->cipher_type;  in tls_set_sw_offload()
2345 	prot->prepend_size = TLS_HEADER_SIZE + nonce_size;  in tls_set_sw_offload()
2346 	prot->tag_size = tag_size;  in tls_set_sw_offload()
2347 	prot->overhead_size = prot->prepend_size +  in tls_set_sw_offload()
2348 			      prot->tag_size + prot->tail_size;  in tls_set_sw_offload()
2349 	prot->iv_size = iv_size;  in tls_set_sw_offload()
2350 	prot->salt_size = salt_size;  in tls_set_sw_offload()
2357 	prot->rec_seq_size = rec_seq_size;  in tls_set_sw_offload()
2382 	rc = crypto_aead_setauthsize(*aead, prot->tag_size);  in tls_set_sw_offload()