vport-internal_dev.c revision 46df7b814548849deee01f50bc75f8f5ae8cd767
1ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross/* 2caf2ee14bbc2c6bd73cf0decf576007e0239a482Raju Subramanian * Copyright (c) 2007-2012 Nicira, Inc. 3ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * 4ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * This program is free software; you can redistribute it and/or 5ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * modify it under the terms of version 2 of the GNU General Public 6ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * License as published by the Free Software Foundation. 7ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * 8ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * This program is distributed in the hope that it will be useful, but 9ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * WITHOUT ANY WARRANTY; without even the implied warranty of 10ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 11ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * General Public License for more details. 12ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * 13ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * You should have received a copy of the GNU General Public License 14ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * along with this program; if not, write to the Free Software 15ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 16ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * 02110-1301, USA 17ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross */ 18ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 19ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/hardirq.h> 20ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/if_vlan.h> 21ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/kernel.h> 22ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/netdevice.h> 23ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/etherdevice.h> 24ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/ethtool.h> 25ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include <linux/skbuff.h> 26ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 277fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross#include <net/dst.h> 287fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross#include <net/xfrm.h> 297fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross 30ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include "datapath.h" 31ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include "vport-internal_dev.h" 32ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include "vport-netdev.h" 33ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 34ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstruct internal_dev { 35ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport; 36ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 37ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 38ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic struct internal_dev *internal_dev_priv(struct net_device *netdev) 39ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 40ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return netdev_priv(netdev); 41ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 42ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 43ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross/* This function is only called by the kernel network layer.*/ 44ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netdev, 45ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct rtnl_link_stats64 *stats) 46ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 47ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport = ovs_internal_dev_get_vport(netdev); 48ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct ovs_vport_stats vport_stats; 49ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 50ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_get_stats(vport, &vport_stats); 51ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 52ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross /* The tx and rx stats need to be swapped because the 53ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * switch and host OS have opposite perspectives. */ 54ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_packets = vport_stats.tx_packets; 55ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_packets = vport_stats.rx_packets; 56ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_bytes = vport_stats.tx_bytes; 57ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_bytes = vport_stats.rx_bytes; 58ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_errors = vport_stats.tx_errors; 59ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_errors = vport_stats.rx_errors; 60ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_dropped = vport_stats.tx_dropped; 61ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_dropped = vport_stats.rx_dropped; 62ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 63ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return stats; 64ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 65ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 66ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_mac_addr(struct net_device *dev, void *p) 67ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 68ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct sockaddr *addr = p; 69ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 70ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (!is_valid_ether_addr(addr->sa_data)) 71ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return -EADDRNOTAVAIL; 727ce5d222190cb3ce3ae88bafde7c4fa52a5103e0Danny Kukawka dev->addr_assign_type &= ~NET_ADDR_RANDOM; 73ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); 74ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 75ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 76ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 77ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross/* Called with rcu_read_lock_bh. */ 78ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev) 79ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 80ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross rcu_read_lock(); 81ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_receive(internal_dev_priv(netdev)->vport, skb); 82ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross rcu_read_unlock(); 83ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 84ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 85ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 86ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_open(struct net_device *netdev) 87ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 88ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_start_queue(netdev); 89ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 90ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 91ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 92ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_stop(struct net_device *netdev) 93ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 94ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_stop_queue(netdev); 95ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 96ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 97ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 98ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void internal_dev_getinfo(struct net_device *netdev, 99ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct ethtool_drvinfo *info) 100ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 101ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross strcpy(info->driver, "openvswitch"); 102ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 103ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 104ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic const struct ethtool_ops internal_dev_ethtool_ops = { 105ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_drvinfo = internal_dev_getinfo, 106ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_link = ethtool_op_get_link, 107ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 108ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 109ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_change_mtu(struct net_device *netdev, int new_mtu) 110ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 111ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (new_mtu < 68) 112ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return -EINVAL; 113ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 114ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->mtu = new_mtu; 115ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 116ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 117ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 118ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void internal_dev_destructor(struct net_device *dev) 119ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 120ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport = ovs_internal_dev_get_vport(dev); 121ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 122ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_free(vport); 123ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross free_netdev(dev); 124ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 125ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 126ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic const struct net_device_ops internal_dev_netdev_ops = { 127ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_open = internal_dev_open, 128ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_stop = internal_dev_stop, 129ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_start_xmit = internal_dev_xmit, 130ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_set_mac_address = internal_dev_mac_addr, 131ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_change_mtu = internal_dev_change_mtu, 132ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_get_stats64 = internal_dev_get_stats, 133ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 134ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 135ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void do_setup(struct net_device *netdev) 136ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 137ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ether_setup(netdev); 138ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 139ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->netdev_ops = &internal_dev_netdev_ops; 140ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 141ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->priv_flags &= ~IFF_TX_SKB_SHARING; 142ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->destructor = internal_dev_destructor; 143ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross SET_ETHTOOL_OPS(netdev, &internal_dev_ethtool_ops); 144ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->tx_queue_len = 0; 145ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 146ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST | 14746df7b814548849deee01f50bc75f8f5ae8cd767Pravin B Shelar NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_TSO; 148ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 149ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->vlan_features = netdev->features; 150ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->features |= NETIF_F_HW_VLAN_TX; 151ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->hw_features = netdev->features & ~NETIF_F_LLTX; 1527ce5d222190cb3ce3ae88bafde7c4fa52a5103e0Danny Kukawka eth_hw_addr_random(netdev); 153ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 154ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 155ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic struct vport *internal_dev_create(const struct vport_parms *parms) 156ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 157ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport; 158ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct netdev_vport *netdev_vport; 159ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct internal_dev *internal_dev; 160ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross int err; 161ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 162ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross vport = ovs_vport_alloc(sizeof(struct netdev_vport), 163ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross &ovs_internal_vport_ops, parms); 164ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (IS_ERR(vport)) { 165ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross err = PTR_ERR(vport); 166ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross goto error; 167ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross } 168ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 169ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev_vport = netdev_vport_priv(vport); 170ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 171ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev), 172ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross parms->name, do_setup); 173ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (!netdev_vport->dev) { 174ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross err = -ENOMEM; 175ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross goto error_free_vport; 176ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross } 177ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 17846df7b814548849deee01f50bc75f8f5ae8cd767Pravin B Shelar dev_net_set(netdev_vport->dev, ovs_dp_get_net(vport->dp)); 179ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross internal_dev = internal_dev_priv(netdev_vport->dev); 180ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross internal_dev->vport = vport; 181ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 18246df7b814548849deee01f50bc75f8f5ae8cd767Pravin B Shelar /* Restrict bridge port to current netns. */ 18346df7b814548849deee01f50bc75f8f5ae8cd767Pravin B Shelar if (vport->port_no == OVSP_LOCAL) 18446df7b814548849deee01f50bc75f8f5ae8cd767Pravin B Shelar netdev_vport->dev->features |= NETIF_F_NETNS_LOCAL; 18546df7b814548849deee01f50bc75f8f5ae8cd767Pravin B Shelar 186ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross err = register_netdevice(netdev_vport->dev); 187ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (err) 188ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross goto error_free_netdev; 189ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 190ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross dev_set_promiscuity(netdev_vport->dev, 1); 191ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_start_queue(netdev_vport->dev); 192ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 193ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return vport; 194ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 195ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grosserror_free_netdev: 196ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross free_netdev(netdev_vport->dev); 197ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grosserror_free_vport: 198ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_free(vport); 199ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grosserror: 200ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return ERR_PTR(err); 201ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 202ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 203ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void internal_dev_destroy(struct vport *vport) 204ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 205ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct netdev_vport *netdev_vport = netdev_vport_priv(vport); 206ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 207ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_stop_queue(netdev_vport->dev); 208ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross dev_set_promiscuity(netdev_vport->dev, -1); 209ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 210ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross /* unregister_netdevice() waits for an RCU grace period. */ 211ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross unregister_netdevice(netdev_vport->dev); 212ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 213ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 214ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_recv(struct vport *vport, struct sk_buff *skb) 215ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 216ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct net_device *netdev = netdev_vport_priv(vport)->dev; 217ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross int len; 218ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 219ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross len = skb->len; 2207fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross 2217fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross skb_dst_drop(skb); 2227fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross nf_reset(skb); 2237fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross secpath_reset(skb); 2247fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross 225ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross skb->dev = netdev; 226ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross skb->pkt_type = PACKET_HOST; 227ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross skb->protocol = eth_type_trans(skb, netdev); 228ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 229ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_rx(skb); 230ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 231ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return len; 232ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 233ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 234ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossconst struct vport_ops ovs_internal_vport_ops = { 235ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .type = OVS_VPORT_TYPE_INTERNAL, 236ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .create = internal_dev_create, 237ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .destroy = internal_dev_destroy, 238ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_name = ovs_netdev_get_name, 239ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_ifindex = ovs_netdev_get_ifindex, 240ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .send = internal_dev_recv, 241ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 242ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 243ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossint ovs_is_internal_dev(const struct net_device *netdev) 244ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 245ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return netdev->netdev_ops == &internal_dev_netdev_ops; 246ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 247ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 248ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstruct vport *ovs_internal_dev_get_vport(struct net_device *netdev) 249ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 250ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (!ovs_is_internal_dev(netdev)) 251ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return NULL; 252ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 253ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return internal_dev_priv(netdev)->vport; 254ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 255