drivers/net/macsec.c

522 static void count_tx(struct net_device *dev, int ret, int len)
524 	if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN))
534 	int len, ret;
543 	ret = dev_queue_xmit(skb);
544 	count_tx(dev, ret, len);
584 	int ret;
661 	ret = skb_cow_data(skb, 0, &trailer);
662 	if (unlikely(ret < 0)) {
665 		return ERR_PTR(ret);
668 	req = macsec_alloc_req(tx_sa->key.tfm, &iv, &sg, ret);
680 	sg_init_table(sg, ret);
681 	ret = skb_to_sgvec(skb, sg, 0, skb->len);
682 	if (unlikely(ret < 0)) {
686 		return ERR_PTR(ret);
705 	ret = crypto_aead_encrypt(req);
706 	if (ret == -EINPROGRESS) {
707 		return ERR_PTR(ret);
708 	} else if (ret != 0) {
875 	int ret;
889 	ret = skb_cow_data(skb, 0, &trailer);
890 	if (unlikely(ret < 0)) {
892 		return ERR_PTR(ret);
894 	req = macsec_alloc_req(rx_sa->key.tfm, &iv, &sg, ret);
917 	sg_init_table(sg, ret);
918 	ret = skb_to_sgvec(skb, sg, 0, skb->len);
919 	if (unlikely(ret < 0)) {
922 		return ERR_PTR(ret);
949 	ret = crypto_aead_decrypt(req);
950 	if (ret == -EINPROGRESS) {
951 		return ERR_PTR(ret);
952 	} else if (ret != 0) {
956 		if (ret != -EBADMSG) {
958 			skb = ERR_PTR(ret);
997 	enum rx_handler_result ret = RX_HANDLER_PASS;
1041 				ret = RX_HANDLER_ANOTHER;
1059 				ret = RX_HANDLER_ANOTHER;
1075 				ret = RX_HANDLER_ANOTHER;
1110 	return ret;
1130 	int ret;
1288 	ret = gro_cells_receive(&macsec->gro_cells, skb);
1289 	if (ret == NET_RX_SUCCESS)
1342 		ret = __netif_rx(nskb);
1343 		if (ret == NET_RX_SUCCESS) {
1360 	int ret;
1367 	ret = crypto_aead_setkey(tfm, key, key_len);
1368 	if (ret < 0)
1371 	ret = crypto_aead_setauthsize(tfm, icv_len);
1372 	if (ret < 0)
1378 	return ERR_PTR(ret);
1686 	int ret;
1694 	ret = (*func)(ctx);
1699 	return ret;
1909 	int ret;
1945 			ret = -EOPNOTSUPP;
1952 		ret = macsec_offload(ops->mdo_add_rxsc, &ctx);
1953 		if (ret)
1965 	return ret;
2141 	int ret;
2172 			ret = -EOPNOTSUPP;
2180 		ret = macsec_offload(ops->mdo_del_rxsa, &ctx);
2181 		if (ret)
2194 	return ret;
2205 	int ret;
2239 			ret = -EOPNOTSUPP;
2245 		ret = macsec_offload(ops->mdo_del_rxsc, &ctx);
2246 		if (ret)
2257 	return ret;
2269 	int ret;
2297 			ret = -EOPNOTSUPP;
2305 		ret = macsec_offload(ops->mdo_del_txsa, &ctx);
2306 		if (ret)
2319 	return ret;
2356 	int ret = 0;
2409 			ret = -EOPNOTSUPP;
2418 		ret = macsec_offload(ops->mdo_upd_txsa, &ctx);
2419 		if (ret)
2436 	return ret;
2451 	int ret = 0;
2503 			ret = -EOPNOTSUPP;
2512 		ret = macsec_offload(ops->mdo_upd_rxsa, &ctx);
2513 		if (ret)
2528 	return ret;
2540 	int ret;
2576 			ret = -EOPNOTSUPP;
2583 		ret = macsec_offload(ops->mdo_upd_rxsc, &ctx);
2584 		if (ret)
2596 	return ret;
2648 	int ret = 0;
2677 	ret = offload == MACSEC_OFFLOAD_OFF ? macsec_offload(ops->mdo_del_secy, &ctx)
2679 	if (ret) {
2681 		return ret;
2687 	return ret;
2697 	int ret = 0;
2714 		ret = PTR_ERR(dev);
2720 		ret = -EINVAL;
2727 		ret = macsec_update_offload(dev, offload);
2730 	return ret;
3483 	int ret, len;
3512 		ret = dev_queue_xmit(skb);
3513 		count_tx(dev, ret, len);
3514 		return ret;
3534 	ret = dev_queue_xmit(skb);
3535 	count_tx(dev, ret, len);
3536 	return ret;
3927 	int ret;
3944 	ret = macsec_changelink_common(dev, data);
3945 	if (ret)
3952 			ret = macsec_update_offload(dev, offload);
3953 			if (ret)
3965 			ret = -EOPNOTSUPP;
3970 		ret = macsec_offload(ops->mdo_upd_secy, &ctx);
3971 		if (ret)
3981 	return ret;