virtio_net.c (e814b958ad8857d6f7354d3a189776eb604d86dd) virtio_net.c (8d9bc36de5fc7b64bbce7b479dbe0ffdcb31b3b5)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/* A network driver using virtio.
3 *
4 * Copyright 2007 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
5 */
6//#define DEBUG
7#include <linux/netdevice.h>
8#include <linux/etherdevice.h>

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3101 return -EOPNOTSUPP;
3102 }
3103
3104 if (vi->mergeable_rx_bufs && !vi->any_header_sg) {
3105 NL_SET_ERR_MSG_MOD(extack, "XDP expects header/data in single page, any_header_sg required");
3106 return -EINVAL;
3107 }
3108
1// SPDX-License-Identifier: GPL-2.0-or-later
2/* A network driver using virtio.
3 *
4 * Copyright 2007 Rusty Russell <rusty@rustcorp.com.au> IBM Corporation
5 */
6//#define DEBUG
7#include <linux/netdevice.h>
8#include <linux/etherdevice.h>

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3101 return -EOPNOTSUPP;
3102 }
3103
3104 if (vi->mergeable_rx_bufs && !vi->any_header_sg) {
3105 NL_SET_ERR_MSG_MOD(extack, "XDP expects header/data in single page, any_header_sg required");
3106 return -EINVAL;
3107 }
3108
3109 if (dev->mtu > max_sz) {
3110 NL_SET_ERR_MSG_MOD(extack, "MTU too large to enable XDP");
3111 netdev_warn(dev, "XDP requires MTU less than %u\n", max_sz);
3109 if (prog && !prog->aux->xdp_has_frags && dev->mtu > max_sz) {
3110 NL_SET_ERR_MSG_MOD(extack, "MTU too large to enable XDP without frags");
3111 netdev_warn(dev, "single-buffer XDP requires MTU less than %u\n", max_sz);
3112 return -EINVAL;
3113 }
3114
3115 curr_qp = vi->curr_queue_pairs - vi->xdp_queue_pairs;
3116 if (prog)
3117 xdp_qp = nr_cpu_ids;
3118
3119 /* XDP requires extra queues for XDP_TX */

--- 1009 unchanged lines hidden --- 		3112 return -EINVAL;
3113 }
3114
3115 curr_qp = vi->curr_queue_pairs - vi->xdp_queue_pairs;
3116 if (prog)
3117 xdp_qp = nr_cpu_ids;
3118
3119 /* XDP requires extra queues for XDP_TX */

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