132 			  struct tls_prot_info *prot, struct sk_buff *skb)  in padding_length()  argument
138 	if (prot->version == TLS_1_3_VERSION) {  in padding_length()
144 			if (back > rxm->full_len - prot->prepend_size)  in padding_length()
168 	struct tls_prot_info *prot;  in tls_decrypt_done()  local
177 	prot = &tls_ctx->prot_info;  in tls_decrypt_done()
190 		pad = padding_length(ctx, prot, skb);  in tls_decrypt_done()
196 			rxm->offset += prot->prepend_size;  in tls_decrypt_done()
197 			rxm->full_len -= prot->overhead_size;  in tls_decrypt_done()
237 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_do_decryption()  local
242 	aead_request_set_ad(aead_req, prot->aad_size);  in tls_do_decryption()
244 			       data_len + prot->tag_size,  in tls_do_decryption()
282 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_trim_both_msgs()  local
288 		target_size += prot->overhead_size;  in tls_trim_both_msgs()
305 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_clone_plaintext_msg()  local
321 	skip = prot->prepend_size + msg_pl->sg.size;  in tls_clone_plaintext_msg()
329 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_get_rec()  local
348 	sg_set_buf(&rec->sg_aead_in[0], rec->aad_space, prot->aad_size);  in tls_get_rec()
352 	sg_set_buf(&rec->sg_aead_out[0], rec->aad_space, prot->aad_size);  in tls_get_rec()
441 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_encrypt_done()  local
453 	sge->offset -= prot->prepend_size;  in tls_encrypt_done()
454 	sge->length += prot->prepend_size;  in tls_encrypt_done()
503 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_do_encryption()  local
510 	if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) {  in tls_do_encryption()
516 	       prot->iv_size + prot->salt_size);  in tls_do_encryption()
518 	xor_iv_with_seq(prot, rec->iv_data, tls_ctx->tx.rec_seq);  in tls_do_encryption()
520 	sge->offset += prot->prepend_size;  in tls_do_encryption()
521 	sge->length -= prot->prepend_size;  in tls_do_encryption()
526 	aead_request_set_ad(aead_req, prot->aad_size);  in tls_do_encryption()
541 		sge->offset -= prot->prepend_size;  in tls_do_encryption()
542 		sge->length += prot->prepend_size;  in tls_do_encryption()
554 	tls_advance_record_sn(sk, prot, &tls_ctx->tx);  in tls_do_encryption()
680 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_push_record()  local
699 		      prot->overhead_size > msg_en->sg.size) ||  in tls_push_record()
702 		      prot->overhead_size > msg_en->sg.size))) {  in tls_push_record()
708 					   split_point, prot->overhead_size,  in tls_push_record()
724 			    prot->overhead_size);  in tls_push_record()
734 	if (prot->version == TLS_1_3_VERSION) {  in tls_push_record()
760 	tls_make_aad(rec->aad_space, msg_pl->sg.size + prot->tail_size,  in tls_push_record()
761 		     tls_ctx->tx.rec_seq, record_type, prot);  in tls_push_record()
766 			 msg_pl->sg.size + prot->tail_size,  in tls_push_record()
772 			       msg_pl->sg.size + prot->tail_size, i);  in tls_push_record()
786 		sk_msg_trim(sk, msg_en, msg_pl->sg.size + prot->overhead_size);  in tls_push_record()
928 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_sendmsg()  local
992 				prot->overhead_size;  in tls_sw_sendmsg()
1060 				    msg_pl->sg.size + prot->overhead_size);  in tls_sw_sendmsg()
1154 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_do_sendpage()  local
1196 		required_size = msg_pl->sg.size + copy + prot->overhead_size;  in tls_sw_do_sendpage()
1416 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in decrypt_internal()  local
1424 	const int data_len = rxm->full_len - prot->overhead_size +  in decrypt_internal()
1425 			     prot->tail_size;  in decrypt_internal()
1433 		n_sgin = skb_nsg(skb, rxm->offset + prot->prepend_size,  in decrypt_internal()
1434 				 rxm->full_len - prot->prepend_size);  in decrypt_internal()
1451 	mem_size = mem_size + prot->aad_size;  in decrypt_internal()
1467 	iv = aad + prot->aad_size;  in decrypt_internal()
1470 	if (prot->cipher_type == TLS_CIPHER_AES_CCM_128) {  in decrypt_internal()
1477 			    iv + iv_offset + prot->salt_size,  in decrypt_internal()
1478 			    prot->iv_size);  in decrypt_internal()
1483 	if (prot->version == TLS_1_3_VERSION ||  in decrypt_internal()
1484 	    prot->cipher_type == TLS_CIPHER_CHACHA20_POLY1305)  in decrypt_internal()
1488 		memcpy(iv + iv_offset, tls_ctx->rx.iv, prot->salt_size);  in decrypt_internal()
1490 	xor_iv_with_seq(prot, iv, tls_ctx->rx.rec_seq);  in decrypt_internal()
1493 	tls_make_aad(aad, rxm->full_len - prot->overhead_size +  in decrypt_internal()
1494 		     prot->tail_size,  in decrypt_internal()
1495 		     tls_ctx->rx.rec_seq, ctx->control, prot);  in decrypt_internal()
1499 	sg_set_buf(&sgin[0], aad, prot->aad_size);  in decrypt_internal()
1501 			   rxm->offset + prot->prepend_size,  in decrypt_internal()
1502 			   rxm->full_len - prot->prepend_size);  in decrypt_internal()
1511 			sg_set_buf(&sgout[0], aad, prot->aad_size);  in decrypt_internal()
1552 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in decrypt_skb_update()  local
1569 					tls_advance_record_sn(sk, prot,  in decrypt_skb_update()
1580 		pad = padding_length(ctx, prot, skb);  in decrypt_skb_update()
1585 		rxm->offset += prot->prepend_size;  in decrypt_skb_update()
1586 		rxm->full_len -= prot->overhead_size;  in decrypt_skb_update()
1587 		tls_advance_record_sn(sk, prot, &tls_ctx->rx);  in decrypt_skb_update()
1748 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_sw_recvmsg()  local
1814 			if (prot->version == TLS_1_3_VERSION)  in tls_sw_recvmsg()
1822 		to_decrypt = rxm->full_len - prot->overhead_size;  in tls_sw_recvmsg()
1826 		    prot->version != TLS_1_3_VERSION &&  in tls_sw_recvmsg()
1846 		} else if (prot->version == TLS_1_3_VERSION) {  in tls_sw_recvmsg()
2059 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_read_size()  local
2067 	if (rxm->offset + prot->prepend_size > skb->len)  in tls_read_size()
2071 	if (WARN_ON(prot->prepend_size > sizeof(header))) {  in tls_read_size()
2077 	ret = skb_copy_bits(skb, rxm->offset, header, prot->prepend_size);  in tls_read_size()
2086 	cipher_overhead = prot->tag_size;  in tls_read_size()
2087 	if (prot->version != TLS_1_3_VERSION &&  in tls_read_size()
2088 	    prot->cipher_type != TLS_CIPHER_CHACHA20_POLY1305)  in tls_read_size()
2089 		cipher_overhead += prot->iv_size;  in tls_read_size()
2092 	    prot->tail_size) {  in tls_read_size()
2303 	struct tls_prot_info *prot = &tls_ctx->prot_info;  in tls_set_sw_offload()  local
2450 		prot->aad_size = TLS_HEADER_SIZE;  in tls_set_sw_offload()
2451 		prot->tail_size = 1;  in tls_set_sw_offload()
2453 		prot->aad_size = TLS_AAD_SPACE_SIZE;  in tls_set_sw_offload()
2454 		prot->tail_size = 0;  in tls_set_sw_offload()
2457 	prot->version = crypto_info->version;  in tls_set_sw_offload()
2458 	prot->cipher_type = crypto_info->cipher_type;  in tls_set_sw_offload()
2459 	prot->prepend_size = TLS_HEADER_SIZE + nonce_size;  in tls_set_sw_offload()
2460 	prot->tag_size = tag_size;  in tls_set_sw_offload()
2461 	prot->overhead_size = prot->prepend_size +  in tls_set_sw_offload()
2462 			      prot->tag_size + prot->tail_size;  in tls_set_sw_offload()
2463 	prot->iv_size = iv_size;  in tls_set_sw_offload()
2464 	prot->salt_size = salt_size;  in tls_set_sw_offload()
2471 	prot->rec_seq_size = rec_seq_size;  in tls_set_sw_offload()
2496 	rc = crypto_aead_setauthsize(*aead, prot->tag_size);  in tls_set_sw_offload()