static int vlan_dev_set_mac_address(struct net_device *dev, void *p) { struct net_device *real_dev = vlan_dev_info(dev)->real_dev; struct sockaddr *addr = p; int err; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; if (!(dev->flags & IFF_UP)) goto out; if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) { err = dev_unicast_add(real_dev, addr->sa_data, ETH_ALEN); if (err < 0) return err; } if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN); out: memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); return 0; }
int dev_uc_add_excl(struct net_device *dev, unsigned char *addr) #endif { struct netdev_hw_addr *ha; int err; netif_addr_lock_bh(dev); netdev_for_each_uc_addr(ha, dev) { if (!memcmp(ha->addr, addr, dev->addr_len) && ha->type == NETDEV_HW_ADDR_T_UNICAST) { err = -EEXIST; goto out; } } netif_addr_unlock_bh(dev); #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35)) return dev_uc_add(dev, addr); #else return dev_unicast_add(dev, addr); #endif out: netif_addr_unlock_bh(dev); return err; }
static int vlan_dev_open(struct net_device *dev) { struct vlan_dev_info *vlan = vlan_dev_info(dev); struct net_device *real_dev = vlan->real_dev; int err; if (!(real_dev->flags & IFF_UP) && !(vlan->flags & VLAN_FLAG_LOOSE_BINDING)) return -ENETDOWN; if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) { err = dev_unicast_add(real_dev, dev->dev_addr); if (err < 0) goto out; } if (dev->flags & IFF_ALLMULTI) { err = dev_set_allmulti(real_dev, 1); if (err < 0) goto del_unicast; } if (dev->flags & IFF_PROMISC) { err = dev_set_promiscuity(real_dev, 1); if (err < 0) goto clear_allmulti; } memcpy(vlan->real_dev_addr, real_dev->dev_addr, ETH_ALEN); if (vlan->flags & VLAN_FLAG_GVRP) vlan_gvrp_request_join(dev); netif_carrier_on(dev); return 0; clear_allmulti: if (dev->flags & IFF_ALLMULTI) dev_set_allmulti(real_dev, -1); del_unicast: if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) dev_unicast_delete(real_dev, dev->dev_addr); out: netif_carrier_off(dev); return err; }
int vlan_dev_open(struct net_device *dev) { struct vlan_dev_info *vlan = VLAN_DEV_INFO(dev); struct net_device *real_dev = vlan->real_dev; int err; if (!(real_dev->flags & IFF_UP)) return -ENETDOWN; if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) { err = dev_unicast_add(real_dev, dev->dev_addr, ETH_ALEN); if (err < 0) return err; } memcpy(vlan->real_dev_addr, real_dev->dev_addr, ETH_ALEN); if (dev->flags & IFF_ALLMULTI) dev_set_allmulti(real_dev, 1); if (dev->flags & IFF_PROMISC) dev_set_promiscuity(real_dev, 1); return 0; }
/* * fcoe_sw_netdev_config - sets up fcoe_softc for lport and network * related properties * @lp : ptr to the fc_lport * @netdev : ptr to the associated netdevice struct * * Must be called after fcoe_sw_lport_config() as it will use lport mutex * * Returns : 0 for success * */ static int fcoe_sw_netdev_config(struct fc_lport *lp, struct net_device *netdev) { u32 mfs; u64 wwnn, wwpn; struct fcoe_softc *fc; u8 flogi_maddr[ETH_ALEN]; /* Setup lport private data to point to fcoe softc */ fc = lport_priv(lp); fc->lp = lp; fc->real_dev = netdev; fc->phys_dev = netdev; /* Require support for get_pauseparam ethtool op. */ if (netdev->priv_flags & IFF_802_1Q_VLAN) fc->phys_dev = vlan_dev_real_dev(netdev); /* Do not support for bonding device */ if ((fc->real_dev->priv_flags & IFF_MASTER_ALB) || (fc->real_dev->priv_flags & IFF_SLAVE_INACTIVE) || (fc->real_dev->priv_flags & IFF_MASTER_8023AD)) { return -EOPNOTSUPP; } /* * Determine max frame size based on underlying device and optional * user-configured limit. If the MFS is too low, fcoe_link_ok() * will return 0, so do this first. */ mfs = fc->real_dev->mtu - (sizeof(struct fcoe_hdr) + sizeof(struct fcoe_crc_eof)); if (fc_set_mfs(lp, mfs)) return -EINVAL; lp->link_status = ~FC_PAUSE & ~FC_LINK_UP; if (!fcoe_link_ok(lp)) lp->link_status |= FC_LINK_UP; /* offload features support */ if (fc->real_dev->features & NETIF_F_SG) lp->sg_supp = 1; skb_queue_head_init(&fc->fcoe_pending_queue); /* setup Source Mac Address */ memcpy(fc->ctl_src_addr, fc->real_dev->dev_addr, fc->real_dev->addr_len); wwnn = fcoe_wwn_from_mac(fc->real_dev->dev_addr, 1, 0); fc_set_wwnn(lp, wwnn); /* XXX - 3rd arg needs to be vlan id */ wwpn = fcoe_wwn_from_mac(fc->real_dev->dev_addr, 2, 0); fc_set_wwpn(lp, wwpn); /* * Add FCoE MAC address as second unicast MAC address * or enter promiscuous mode if not capable of listening * for multiple unicast MACs. */ rtnl_lock(); memcpy(flogi_maddr, (u8[6]) FC_FCOE_FLOGI_MAC, ETH_ALEN); dev_unicast_add(fc->real_dev, flogi_maddr, ETH_ALEN); rtnl_unlock(); /* * setup the receive function from ethernet driver * on the ethertype for the given device */ fc->fcoe_packet_type.func = fcoe_rcv; fc->fcoe_packet_type.type = __constant_htons(ETH_P_FCOE); fc->fcoe_packet_type.dev = fc->real_dev; dev_add_pack(&fc->fcoe_packet_type); return 0; }