287 	struct rxrpc_txbuf *txb;  in rxgk_alloc_txbuf()  local
325 	txb = rxrpc_alloc_data_txbuf(call, alloc, 16, gfp);  in rxgk_alloc_txbuf()
326 	if (!txb)  in rxgk_alloc_txbuf()
329 	txb->crypto_header	= offset;  in rxgk_alloc_txbuf()
330 	txb->sec_header		= shdr;  in rxgk_alloc_txbuf()
331 	txb->offset		+= offset + shdr;  in rxgk_alloc_txbuf()
332 	txb->space		= part;  in rxgk_alloc_txbuf()
336 		memset(txb->data + alloc - gap, 0, gap);  in rxgk_alloc_txbuf()
337 	return txb;  in rxgk_alloc_txbuf()
345 					struct rxrpc_txbuf *txb)  in rxgk_secure_packet_integrity()  argument
361 	hdr->seq	= htonl(txb->seq);  in rxgk_secure_packet_integrity()
363 	hdr->data_len	= htonl(txb->len);  in rxgk_secure_packet_integrity()
368 	sg_set_buf(&sg[0], txb->data, txb->alloc_size);  in rxgk_secure_packet_integrity()
371 				  sg, 1, txb->alloc_size,  in rxgk_secure_packet_integrity()
372 				  txb->crypto_header, txb->sec_header + txb->len);  in rxgk_secure_packet_integrity()
374 		txb->pkt_len = ret;  in rxgk_secure_packet_integrity()
375 		if (txb->alloc_size == RXRPC_JUMBO_DATALEN)  in rxgk_secure_packet_integrity()
376 			txb->jumboable = true;  in rxgk_secure_packet_integrity()
391 					struct rxrpc_txbuf *txb)  in rxgk_secure_packet_encrypted()  argument
397 	_enter("%x", txb->len);  in rxgk_secure_packet_encrypted()
400 	hdr = txb->data + txb->crypto_header;  in rxgk_secure_packet_encrypted()
404 	hdr->seq	 = htonl(txb->seq);  in rxgk_secure_packet_encrypted()
406 	hdr->data_len	 = htonl(txb->len);  in rxgk_secure_packet_encrypted()
409 	sg_set_buf(&sg[0], txb->data, txb->alloc_size);  in rxgk_secure_packet_encrypted()
412 				  sg, 1, txb->alloc_size,  in rxgk_secure_packet_encrypted()
413 				  txb->crypto_header, txb->sec_header + txb->len,  in rxgk_secure_packet_encrypted()
416 		txb->pkt_len = ret;  in rxgk_secure_packet_encrypted()
417 		if (txb->alloc_size == RXRPC_JUMBO_DATALEN)  in rxgk_secure_packet_encrypted()
418 			txb->jumboable = true;  in rxgk_secure_packet_encrypted()
430 static int rxgk_secure_packet(struct rxrpc_call *call, struct rxrpc_txbuf *txb)  in rxgk_secure_packet()  argument
436 	       call->debug_id, key_serial(call->conn->key), txb->seq, txb->len);  in rxgk_secure_packet()
449 	txb->cksum = htons(gk->key_number);  in rxgk_secure_packet()
454 		txb->pkt_len = txb->len;  in rxgk_secure_packet()
457 		return rxgk_secure_packet_integrity(call, gk, txb);  in rxgk_secure_packet()
459 		return rxgk_secure_packet_encrypted(call, gk, txb);  in rxgk_secure_packet()