| /linux/drivers/net/ |
| H A D | vsockmon.c | 51 static int vsockmon_is_valid_mtu(int new_mtu) in vsockmon_is_valid_mtu() argument
53 return new_mtu >= (int)sizeof(struct af_vsockmon_hdr); in vsockmon_is_valid_mtu()
56 static int vsockmon_change_mtu(struct net_device *dev, int new_mtu) in vsockmon_change_mtu() argument
58 if (!vsockmon_is_valid_mtu(new_mtu)) in vsockmon_change_mtu()
61 WRITE_ONCE(dev->mtu, new_mtu); in vsockmon_change_mtu()
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| H A D | ntb_netdev.c | 299 static int ntb_netdev_change_mtu(struct net_device *ndev, int new_mtu) in ntb_netdev_change_mtu() argument
305 if (new_mtu > ntb_transport_max_size(dev->qp) - ETH_HLEN) in ntb_netdev_change_mtu()
309 WRITE_ONCE(ndev->mtu, new_mtu); in ntb_netdev_change_mtu()
316 if (ndev->mtu < new_mtu) { in ntb_netdev_change_mtu()
323 skb = netdev_alloc_skb(ndev, new_mtu + ETH_HLEN); in ntb_netdev_change_mtu()
330 new_mtu + ETH_HLEN); in ntb_netdev_change_mtu()
338 WRITE_ONCE(ndev->mtu, new_mtu); in ntb_netdev_change_mtu()
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| H A D | net_failover.c | 211 static int net_failover_change_mtu(struct net_device *dev, int new_mtu) in net_failover_change_mtu() argument
219 ret = dev_set_mtu(primary_dev, new_mtu); in net_failover_change_mtu()
226 ret = dev_set_mtu(standby_dev, new_mtu); in net_failover_change_mtu()
234 WRITE_ONCE(dev->mtu, new_mtu); in net_failover_change_mtu()
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| /linux/drivers/net/can/ |
| H A D | vcan.c | 133 static int vcan_change_mtu(struct net_device *dev, int new_mtu) in vcan_change_mtu() argument
139 if (new_mtu != CAN_MTU && new_mtu != CANFD_MTU && in vcan_change_mtu()
140 !can_is_canxl_dev_mtu(new_mtu)) in vcan_change_mtu()
143 WRITE_ONCE(dev->mtu, new_mtu); in vcan_change_mtu()
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| H A D | vxcan.c | 128 static int vxcan_change_mtu(struct net_device *dev, int new_mtu) in vxcan_change_mtu() argument
134 if (new_mtu != CAN_MTU && new_mtu != CANFD_MTU && in vxcan_change_mtu()
135 !can_is_canxl_dev_mtu(new_mtu)) in vxcan_change_mtu()
138 WRITE_ONCE(dev->mtu, new_mtu); in vxcan_change_mtu()
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| /linux/drivers/net/dsa/microchip/ |
| H A D | lan937x_main.c | 227 int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu) in lan937x_change_mtu() argument
232 new_mtu += VLAN_ETH_HLEN + ETH_FCS_LEN; in lan937x_change_mtu()
235 new_mtu += LAN937X_TAG_LEN; in lan937x_change_mtu()
237 if (new_mtu >= FR_MIN_SIZE) in lan937x_change_mtu()
249 ret = ksz_pwrite16(dev, port, PORT_MAX_FR_SIZE, new_mtu); in lan937x_change_mtu()
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| H A D | lan937x.h | 18 int lan937x_change_mtu(struct ksz_device *dev, int port, int new_mtu);
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| /linux/drivers/net/ethernet/netronome/nfp/ |
| H A D | nfp_app.h | 112 int new_mtu);
114 int new_mtu);
269 nfp_app_check_mtu(struct nfp_app *app, struct net_device *netdev, int new_mtu) in nfp_app_check_mtu() argument
273 return app->type->check_mtu(app, netdev, new_mtu); in nfp_app_check_mtu()
278 int new_mtu) in nfp_app_repr_change_mtu() argument
282 return app->type->repr_change_mtu(app, netdev, new_mtu); in nfp_app_repr_change_mtu()
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| H A D | nfp_net_repr.c | 167 static int nfp_repr_change_mtu(struct net_device *netdev, int new_mtu) in nfp_repr_change_mtu() argument
172 err = nfp_app_check_mtu(repr->app, netdev, new_mtu); in nfp_repr_change_mtu()
176 err = nfp_app_repr_change_mtu(repr->app, netdev, new_mtu); in nfp_repr_change_mtu()
180 WRITE_ONCE(netdev->mtu, new_mtu); in nfp_repr_change_mtu()
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| /linux/drivers/net/ethernet/qualcomm/rmnet/ |
| H A D | rmnet_vnd.c | 79 static int rmnet_vnd_change_mtu(struct net_device *rmnet_dev, int new_mtu) in rmnet_vnd_change_mtu() argument
89 if (new_mtu < 0 || new_mtu > RMNET_MAX_PACKET_SIZE || in rmnet_vnd_change_mtu()
90 new_mtu > (priv->real_dev->mtu - headroom)) in rmnet_vnd_change_mtu()
93 WRITE_ONCE(rmnet_dev->mtu, new_mtu); in rmnet_vnd_change_mtu()
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| /linux/drivers/net/ethernet/aquantia/atlantic/ |
| H A D | aq_main.c | 130 static int aq_ndev_change_mtu(struct net_device *ndev, int new_mtu) in aq_ndev_change_mtu() argument
132 int new_frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN; in aq_ndev_change_mtu()
145 err = aq_nic_set_mtu(aq_nic, new_mtu + ETH_HLEN); in aq_ndev_change_mtu()
149 WRITE_ONCE(ndev->mtu, new_mtu); in aq_ndev_change_mtu()
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| /linux/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ |
| H A D | ipoib_vlan.c | 142 static int mlx5i_pkey_change_mtu(struct net_device *netdev, int new_mtu);
278 static int mlx5i_pkey_change_mtu(struct net_device *netdev, int new_mtu) in mlx5i_pkey_change_mtu() argument
283 WRITE_ONCE(netdev->mtu, new_mtu); in mlx5i_pkey_change_mtu()
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| /linux/net/batman-adv/ |
| H A D | soft-interface.c | 154 static int batadv_interface_change_mtu(struct net_device *dev, int new_mtu) in batadv_interface_change_mtu() argument
159 if (new_mtu < ETH_MIN_MTU || new_mtu > batadv_hardif_min_mtu(dev)) in batadv_interface_change_mtu()
162 WRITE_ONCE(dev->mtu, new_mtu); in batadv_interface_change_mtu()
163 bat_priv->mtu_set_by_user = new_mtu; in batadv_interface_change_mtu()
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| /linux/net/dsa/ |
| H A D | user.h | 48 int dsa_user_change_mtu(struct net_device *dev, int new_mtu);
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| /linux/drivers/net/can/dev/ |
| H A D | dev.c | 309 int can_change_mtu(struct net_device *dev, int new_mtu) in can_change_mtu() argument
319 switch (new_mtu) { in can_change_mtu()
341 WRITE_ONCE(dev->mtu, new_mtu); in can_change_mtu()
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| /linux/drivers/net/ethernet/cavium/liquidio/ |
| H A D | lio_vf_rep.c | 39 static int lio_vf_rep_change_mtu(struct net_device *ndev, int new_mtu);
199 lio_vf_rep_change_mtu(struct net_device *ndev, int new_mtu) in lio_vf_rep_change_mtu() argument
211 rep_cfg.rep_mtu.mtu = cpu_to_be32(new_mtu); in lio_vf_rep_change_mtu()
221 WRITE_ONCE(ndev->mtu, new_mtu); in lio_vf_rep_change_mtu()
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| /linux/net/sched/ |
| H A D | sch_teql.c | 414 static int teql_master_mtu(struct net_device *dev, int new_mtu) in teql_master_mtu() argument
422 if (new_mtu > qdisc_dev(q)->mtu) in teql_master_mtu()
427 WRITE_ONCE(dev->mtu, new_mtu); in teql_master_mtu()
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| /linux/drivers/net/ethernet/ |
| H A D | lantiq_xrx200.c | 412 xrx200_change_mtu(struct net_device *net_dev, int new_mtu) in xrx200_change_mtu() argument
422 WRITE_ONCE(net_dev->mtu, new_mtu); in xrx200_change_mtu()
423 priv->rx_buf_size = xrx200_buffer_size(new_mtu); in xrx200_change_mtu()
426 if (new_mtu <= old_mtu) in xrx200_change_mtu()
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| /linux/net/bridge/ |
| H A D | br_device.c | 202 static int br_change_mtu(struct net_device *dev, int new_mtu) in br_change_mtu() argument
206 WRITE_ONCE(dev->mtu, new_mtu); in br_change_mtu()
212 dst_metric_set(&br->fake_rtable.dst, RTAX_MTU, new_mtu); in br_change_mtu()
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| /linux/drivers/net/ethernet/wangxun/libwx/ |
| H A D | wx_hw.h | 32 int wx_change_mtu(struct net_device *netdev, int new_mtu);
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| /linux/net/hsr/ |
| H A D | hsr_device.c | 111 static int hsr_dev_change_mtu(struct net_device *dev, int new_mtu) in hsr_dev_change_mtu() argument
117 if (new_mtu > hsr_get_max_mtu(hsr)) { in hsr_dev_change_mtu()
123 WRITE_ONCE(dev->mtu, new_mtu); in hsr_dev_change_mtu()
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| /linux/drivers/net/ethernet/marvell/octeon_ep_vf/ |
| H A D | octep_vf_main.c | 871 static int octep_vf_change_mtu(struct net_device *netdev, int new_mtu) in octep_vf_change_mtu() argument
878 if (link_info->mtu == new_mtu) in octep_vf_change_mtu()
881 err = octep_vf_mbox_set_mtu(oct, new_mtu); in octep_vf_change_mtu()
883 oct->link_info.mtu = new_mtu; in octep_vf_change_mtu()
884 WRITE_ONCE(netdev->mtu, new_mtu); in octep_vf_change_mtu()
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| /linux/net/ipv4/ |
| H A D | ip_tunnel.c | 1066 int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict) in __ip_tunnel_change_mtu() argument
1075 if (new_mtu < ETH_MIN_MTU) in __ip_tunnel_change_mtu()
1078 if (new_mtu > max_mtu) { in __ip_tunnel_change_mtu()
1082 new_mtu = max_mtu; in __ip_tunnel_change_mtu()
1085 WRITE_ONCE(dev->mtu, new_mtu); in __ip_tunnel_change_mtu()
1090 int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu) in ip_tunnel_change_mtu() argument
1092 return __ip_tunnel_change_mtu(dev, new_mtu, true); in ip_tunnel_change_mtu()
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| /linux/drivers/net/ethernet/sfc/ |
| H A D | efx_common.c | 282 int efx_change_mtu(struct net_device *net_dev, int new_mtu) in efx_change_mtu() argument
292 new_mtu > efx_xdp_max_mtu(efx)) { in efx_change_mtu()
295 new_mtu, efx_xdp_max_mtu(efx)); in efx_change_mtu()
299 netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu); in efx_change_mtu()
305 WRITE_ONCE(net_dev->mtu, new_mtu); in efx_change_mtu()
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| /linux/drivers/net/ethernet/sfc/siena/ |
| H A D | efx_common.c | 286 int efx_siena_change_mtu(struct net_device *net_dev, int new_mtu) in efx_siena_change_mtu() argument
296 new_mtu > efx_siena_xdp_max_mtu(efx)) { in efx_siena_change_mtu()
299 new_mtu, efx_siena_xdp_max_mtu(efx)); in efx_siena_change_mtu()
303 netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu); in efx_siena_change_mtu()
309 WRITE_ONCE(net_dev->mtu, new_mtu); in efx_siena_change_mtu()
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