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author | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 13:08:18 -0600 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-08-16 13:12:00 -0600 |
commit | 89982f7ccee2fcd8fea7936b81eec6defbf0f131 (patch) | |
tree | fc553c8d008d24595ad7de0ea0f3b56f656da27c /drivers/net/ipvlan/ipvlan_main.c | |
parent | a1ceeca679dccc492235f0f629d9e9f7b3d51ca8 (diff) | |
parent | 94710cac0ef4ee177a63b5227664b38c95bbf703 (diff) | |
download | linux-89982f7ccee2fcd8fea7936b81eec6defbf0f131.tar.gz linux-89982f7ccee2fcd8fea7936b81eec6defbf0f131.tar.bz2 linux-89982f7ccee2fcd8fea7936b81eec6defbf0f131.zip |
Merge tag 'v4.18' into rdma.git for-next
Resolve merge conflicts from the -rc cycle against the rdma.git tree:
Conflicts:
drivers/infiniband/core/uverbs_cmd.c
- New ifs added to ib_uverbs_ex_create_flow in -rc and for-next
- Merge removal of file->ucontext in for-next with new code in -rc
drivers/infiniband/core/uverbs_main.c
- for-next removed code from ib_uverbs_write() that was modified
in for-rc
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/net/ipvlan/ipvlan_main.c')
-rw-r--r-- | drivers/net/ipvlan/ipvlan_main.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 4377c26f714d..4a949569ec4c 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -75,10 +75,23 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval) { struct ipvl_dev *ipvlan; struct net_device *mdev = port->dev; - int err = 0; + unsigned int flags; + int err; ASSERT_RTNL(); if (port->mode != nval) { + list_for_each_entry(ipvlan, &port->ipvlans, pnode) { + flags = ipvlan->dev->flags; + if (nval == IPVLAN_MODE_L3 || nval == IPVLAN_MODE_L3S) { + err = dev_change_flags(ipvlan->dev, + flags | IFF_NOARP); + } else { + err = dev_change_flags(ipvlan->dev, + flags & ~IFF_NOARP); + } + if (unlikely(err)) + goto fail; + } if (nval == IPVLAN_MODE_L3S) { /* New mode is L3S */ err = ipvlan_register_nf_hook(read_pnet(&port->pnet)); @@ -86,21 +99,28 @@ static int ipvlan_set_port_mode(struct ipvl_port *port, u16 nval) mdev->l3mdev_ops = &ipvl_l3mdev_ops; mdev->priv_flags |= IFF_L3MDEV_MASTER; } else - return err; + goto fail; } else if (port->mode == IPVLAN_MODE_L3S) { /* Old mode was L3S */ mdev->priv_flags &= ~IFF_L3MDEV_MASTER; ipvlan_unregister_nf_hook(read_pnet(&port->pnet)); mdev->l3mdev_ops = NULL; } - list_for_each_entry(ipvlan, &port->ipvlans, pnode) { - if (nval == IPVLAN_MODE_L3 || nval == IPVLAN_MODE_L3S) - ipvlan->dev->flags |= IFF_NOARP; - else - ipvlan->dev->flags &= ~IFF_NOARP; - } port->mode = nval; } + return 0; + +fail: + /* Undo the flags changes that have been done so far. */ + list_for_each_entry_continue_reverse(ipvlan, &port->ipvlans, pnode) { + flags = ipvlan->dev->flags; + if (port->mode == IPVLAN_MODE_L3 || + port->mode == IPVLAN_MODE_L3S) + dev_change_flags(ipvlan->dev, flags | IFF_NOARP); + else + dev_change_flags(ipvlan->dev, flags & ~IFF_NOARP); + } + return err; } @@ -594,7 +614,8 @@ int ipvlan_link_new(struct net *src_net, struct net_device *dev, ipvlan->phy_dev = phy_dev; ipvlan->dev = dev; ipvlan->sfeatures = IPVLAN_FEATURES; - ipvlan_adjust_mtu(ipvlan, phy_dev); + if (!tb[IFLA_MTU]) + ipvlan_adjust_mtu(ipvlan, phy_dev); INIT_LIST_HEAD(&ipvlan->addrs); spin_lock_init(&ipvlan->addrs_lock); @@ -693,6 +714,7 @@ void ipvlan_link_setup(struct net_device *dev) { ether_setup(dev); + dev->max_mtu = ETH_MAX_MTU; dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); dev->priv_flags |= IFF_UNICAST_FLT | IFF_NO_QUEUE; dev->netdev_ops = &ipvlan_netdev_ops; |