search for: dev_alloc_nam

If an ssh server receives a successful inbound ssh connection with 'ssh -w' without a tunnel number specified (i.e. in 'any' mode), it allocates the next tunnel device available on the server. The next thing the server needs to do is to set up the tunnel device. How does the server know which tunnel device was set up by the current connection? I'd really like something

...flags_changed = 0; > 1252 call_netdevice_notifiers_info(NETDEV_CHANGE, dev, 1253 &change_info.info); 1254 } 1255 1256 ret = call_netdevice_notifiers(NETDEV_CHANGENAME, dev); 1257 ret = notifier_to_errno(ret); 1258 1259 if (ret) { 1260 /* err >= 0 after dev_alloc_name() or stores the first errno */ 1261 if (err >= 0) { 1262 err = ret; 1263 write_seqcount_begin(&devnet_rename_seq); 1264 memcpy(dev->name, oldname, IFNAMSIZ); 1265 memcpy(oldname, newname, IFNAMSIZ); 1266 dev->name_assign_type = old_assign_type; 1267 o...

...1253 hlist_add_head_rcu(&dev->name_hlist, dev_name_hash(net, dev->name)); 1254 write_unlock_bh(&dev_base_lock); 1255 1256 ret = call_netdevice_notifiers(NETDEV_CHANGENAME, dev); 1257 ret = notifier_to_errno(ret); 1258 1259 if (ret) { 1260 /* err >= 0 after dev_alloc_name() or stores the first errno */ 1261 if (err >= 0) { 1262 err = ret; 1263 write_seqcount_begin(&devnet_rename_seq); 1264 memcpy(dev->name, oldname, IFNAMSIZ); 1265 memcpy(oldname, newname, IFNAMSIZ); 1266 dev->name_assign_type = old_assign_type; 1267 o...

Hi: Here are the patches I used for testing KVM with virtio-net using TSO. There are three patches for the tun device which are basically Rusty's patches with the mmap turned into copying (for correctness). Two patches are for the virtio-net frontend, one required to support receiving SG/TSO, and the other useful for testing SG per se. The other patch is to the KVM backend to make all this

Hi: Here are the patches I used for testing KVM with virtio-net using TSO. There are three patches for the tun device which are basically Rusty's patches with the mmap turned into copying (for correctness). Two patches are for the virtio-net frontend, one required to support receiving SG/TSO, and the other useful for testing SG per se. The other patch is to the KVM backend to make all this

1) Turn GSO on virtio net into an all-or-nothing (keep checksumming separate). Having multiple bits is a pain: if you can't support something you should handle it in software, which is still a performance win. 2) Make VIRTIO_NET_HDR_GSO_ECN a flag in the header, so it can apply to IPv6 or v4. 3) Rename VIRTIO_NET_F_NO_CSUM to VIRTIO_NET_F_CSUM (ie. means we do checksumming). 4)

1) Turn GSO on virtio net into an all-or-nothing (keep checksumming separate). Having multiple bits is a pain: if you can't support something you should handle it in software, which is still a performance win. 2) Make VIRTIO_NET_HDR_GSO_ECN a flag in the header, so it can apply to IPv6 or v4. 3) Rename VIRTIO_NET_F_NO_CSUM to VIRTIO_NET_F_CSUM (ie. means we do checksumming). 4)

...put/net/bridge/br_if.c 2007-09-25 14:31:01.000000000 +0200 @@ -276,6 +276,11 @@ int br_add_bridge(const char *name) if (!dev) return -ENOMEM; + if (!try_module_get(THIS_MODULE)) { + free_netdev(dev); + return -ENOENT; + } + rtnl_lock(); if (strchr(dev->name, '%')) { ret = dev_alloc_name(dev, dev->name); @@ -294,6 +299,8 @@ int br_add_bridge(const char *name) unregister_netdevice(dev); out: rtnl_unlock(); + if (ret) + module_put(THIS_MODULE); return ret; } @@ -321,6 +328,8 @@ int br_del_bridge(const char *name) del_br(netdev_priv(dev)); rtnl_unlock(); + if (...