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> 295b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko#include <net/rtnetlink.h> 307fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross 31ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include "datapath.h" 32ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include "vport-internal_dev.h" 33ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross#include "vport-netdev.h" 34ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 35ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstruct internal_dev { 36ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport; 37ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 38ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 39ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic struct internal_dev *internal_dev_priv(struct net_device *netdev) 40ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 41ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return netdev_priv(netdev); 42ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 43ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 44ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross/* This function is only called by the kernel network layer.*/ 45ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netdev, 46ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct rtnl_link_stats64 *stats) 47ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 48ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport = ovs_internal_dev_get_vport(netdev); 49ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct ovs_vport_stats vport_stats; 50ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 51ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_get_stats(vport, &vport_stats); 52ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 53ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross /* The tx and rx stats need to be swapped because the 54ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross * switch and host OS have opposite perspectives. */ 55ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_packets = vport_stats.tx_packets; 56ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_packets = vport_stats.rx_packets; 57ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_bytes = vport_stats.tx_bytes; 58ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_bytes = vport_stats.rx_bytes; 59ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_errors = vport_stats.tx_errors; 60ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_errors = vport_stats.rx_errors; 61ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->rx_dropped = vport_stats.tx_dropped; 62ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross stats->tx_dropped = vport_stats.rx_dropped; 63ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 64ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return stats; 65ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 66ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 67ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross/* Called with rcu_read_lock_bh. */ 68ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_xmit(struct sk_buff *skb, struct net_device *netdev) 69ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 70ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross rcu_read_lock(); 717d5437c709ded4f152cb8b305d17972d6707f20cPravin B Shelar ovs_vport_receive(internal_dev_priv(netdev)->vport, skb, NULL); 72ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross rcu_read_unlock(); 73ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 74ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 75ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 76ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_open(struct net_device *netdev) 77ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 78ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_start_queue(netdev); 79ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 80ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 81ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 82ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_stop(struct net_device *netdev) 83ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 84ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_stop_queue(netdev); 85ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 86ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 87ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 88ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void internal_dev_getinfo(struct net_device *netdev, 89ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct ethtool_drvinfo *info) 90ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 917826d43f2db45c9305a6e0ba165650e1a203f517Jiri Pirko strlcpy(info->driver, "openvswitch", sizeof(info->driver)); 92ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 93ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 94ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic const struct ethtool_ops internal_dev_ethtool_ops = { 95ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_drvinfo = internal_dev_getinfo, 96ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_link = ethtool_op_get_link, 97ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 98ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 99ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_change_mtu(struct net_device *netdev, int new_mtu) 100ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 101ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (new_mtu < 68) 102ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return -EINVAL; 103ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 104ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->mtu = new_mtu; 105ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return 0; 106ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 107ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 108ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void internal_dev_destructor(struct net_device *dev) 109ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 110ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport = ovs_internal_dev_get_vport(dev); 111ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 112ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_free(vport); 113ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross free_netdev(dev); 114ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 115ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 116ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic const struct net_device_ops internal_dev_netdev_ops = { 117ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_open = internal_dev_open, 118ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_stop = internal_dev_stop, 119ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_start_xmit = internal_dev_xmit, 1209151991c028ccae896388d8b1d2d8a3e3deb2b9aThomas Graf .ndo_set_mac_address = eth_mac_addr, 121ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_change_mtu = internal_dev_change_mtu, 122ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .ndo_get_stats64 = internal_dev_get_stats, 123ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 124ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 1255b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirkostatic struct rtnl_link_ops internal_dev_link_ops __read_mostly = { 1265b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko .kind = "openvswitch", 1275b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko}; 1285b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko 129ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void do_setup(struct net_device *netdev) 130ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 131ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ether_setup(netdev); 132ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 133ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->netdev_ops = &internal_dev_netdev_ops; 134ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 135ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->priv_flags &= ~IFF_TX_SKB_SHARING; 1369151991c028ccae896388d8b1d2d8a3e3deb2b9aThomas Graf netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE; 137ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->destructor = internal_dev_destructor; 1387ad24ea4bf620a32631d7b3069c3e30c078b0c3eWilfried Klaebe netdev->ethtool_ops = &internal_dev_ethtool_ops; 1395b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko netdev->rtnl_link_ops = &internal_dev_link_ops; 140ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->tx_queue_len = 0; 141ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 142ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->features = NETIF_F_LLTX | NETIF_F_SG | NETIF_F_FRAGLIST | 143f6eec614d2252a99b861e288b6301599d2d58da4Pravin B Shelar NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | 144f6eec614d2252a99b861e288b6301599d2d58da4Pravin B Shelar NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL; 145ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 146ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->vlan_features = netdev->features; 147f6eec614d2252a99b861e288b6301599d2d58da4Pravin B Shelar netdev->hw_enc_features = netdev->features; 148f646968f8f7c624587de729115d802372b9063ddPatrick McHardy netdev->features |= NETIF_F_HW_VLAN_CTAG_TX; 149ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev->hw_features = netdev->features & ~NETIF_F_LLTX; 150f6eec614d2252a99b861e288b6301599d2d58da4Pravin B Shelar 1517ce5d222190cb3ce3ae88bafde7c4fa52a5103e0Danny Kukawka eth_hw_addr_random(netdev); 152ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 153ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 154ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic struct vport *internal_dev_create(const struct vport_parms *parms) 155ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 156ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct vport *vport; 157ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct netdev_vport *netdev_vport; 158ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct internal_dev *internal_dev; 159ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross int err; 160ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 161ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross vport = ovs_vport_alloc(sizeof(struct netdev_vport), 162ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross &ovs_internal_vport_ops, parms); 163ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (IS_ERR(vport)) { 164ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross err = PTR_ERR(vport); 165ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross goto error; 166ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross } 167ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 168ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev_vport = netdev_vport_priv(vport); 169ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 170ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev), 171c835a677331495cf137a7f8a023463afd9f032f8Tom Gundersen parms->name, NET_NAME_UNKNOWN, 172c835a677331495cf137a7f8a023463afd9f032f8Tom Gundersen 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 1868e4e1713e4978447c5f799aa668dcc6d2cb0dee9Pravin B Shelar rtnl_lock(); 187ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross err = register_netdevice(netdev_vport->dev); 188ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (err) 189ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross goto error_free_netdev; 190ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 191ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross dev_set_promiscuity(netdev_vport->dev, 1); 1928e4e1713e4978447c5f799aa668dcc6d2cb0dee9Pravin B Shelar rtnl_unlock(); 193ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_start_queue(netdev_vport->dev); 194ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 195ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return vport; 196ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 197ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grosserror_free_netdev: 1988e4e1713e4978447c5f799aa668dcc6d2cb0dee9Pravin B Shelar rtnl_unlock(); 199ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross free_netdev(netdev_vport->dev); 200ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grosserror_free_vport: 201ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross ovs_vport_free(vport); 202ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grosserror: 203ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return ERR_PTR(err); 204ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 205ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 206ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic void internal_dev_destroy(struct vport *vport) 207ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 208ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct netdev_vport *netdev_vport = netdev_vport_priv(vport); 209ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 210ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_stop_queue(netdev_vport->dev); 2118e4e1713e4978447c5f799aa668dcc6d2cb0dee9Pravin B Shelar rtnl_lock(); 212ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross dev_set_promiscuity(netdev_vport->dev, -1); 213ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 214ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross /* unregister_netdevice() waits for an RCU grace period. */ 215ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross unregister_netdevice(netdev_vport->dev); 2168e4e1713e4978447c5f799aa668dcc6d2cb0dee9Pravin B Shelar 2178e4e1713e4978447c5f799aa668dcc6d2cb0dee9Pravin B Shelar rtnl_unlock(); 218ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 219ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 220ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstatic int internal_dev_recv(struct vport *vport, struct sk_buff *skb) 221ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 222ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross struct net_device *netdev = netdev_vport_priv(vport)->dev; 223ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross int len; 224ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 225ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross len = skb->len; 2267fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross 2277fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross skb_dst_drop(skb); 2287fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross nf_reset(skb); 2297fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross secpath_reset(skb); 2307fe99e2d434eafeac0c57b279a77e5de39212636Jesse Gross 231ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross skb->dev = netdev; 232ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross skb->pkt_type = PACKET_HOST; 233ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross skb->protocol = eth_type_trans(skb, netdev); 234b34df5e805a6e98cae0bc5bc80c1b52d9ff811dePravin B Shelar skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); 235ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 236ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross netif_rx(skb); 237ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 238ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return len; 239ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 240ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 241ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossconst struct vport_ops ovs_internal_vport_ops = { 242ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .type = OVS_VPORT_TYPE_INTERNAL, 243ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .create = internal_dev_create, 244ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .destroy = internal_dev_destroy, 245ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .get_name = ovs_netdev_get_name, 246ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross .send = internal_dev_recv, 247ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross}; 248ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 249ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossint ovs_is_internal_dev(const struct net_device *netdev) 250ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 251ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return netdev->netdev_ops == &internal_dev_netdev_ops; 252ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 253ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 254ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Grossstruct vport *ovs_internal_dev_get_vport(struct net_device *netdev) 255ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross{ 256ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross if (!ovs_is_internal_dev(netdev)) 257ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return NULL; 258ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross 259ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross return internal_dev_priv(netdev)->vport; 260ccb1352e76cff0524e7ccb2074826a092dd13016Jesse Gross} 2615b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko 2625b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirkoint ovs_internal_dev_rtnl_link_register(void) 2635b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko{ 2645b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko return rtnl_link_register(&internal_dev_link_ops); 2655b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko} 2665b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko 2675b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirkovoid ovs_internal_dev_rtnl_link_unregister(void) 2685b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko{ 2695b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko rtnl_link_unregister(&internal_dev_link_ops); 2705b9e7e1607956e2454ccbd94ccf5631309ade054Jiri Pirko} 271