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2016-12-16types: enforce consistencyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-13peer: don't use sockaddr_storage to reduce memory usageJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: ensure icmp skb length check is done for v6Jason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: allocate tstats in newlinkJason A. Donenfeld
Every place else does this in ndo_init, but this seems completely redundant, so to simplify things, I'm moving it into newlink. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: clean up xmit error pathJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: simplify device_init, since it only returns -EEXISTJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: dellink is already implictly unregister_netdevice_queueJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: disable ipv6 auto address generationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-11device: rc -> retJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-09device: traditional if is cleaner than switch for this smallJason A. Donenfeld
This also generates identical assembly. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-09device: make suspend code conditional on CONFIG_PM_SLEEPJason A. Donenfeld
This isn't actually neccessary, since there are no-op stubs for these functions, but the MIPS people don't want any unneccessary bloat. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-09device: cleaner error teardownJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-12-09device: clear all peer ephemeral keys on sleepJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-22device: conntrack is optionalJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-21headers: cleanup noticesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-16device: better debug messageJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-16device: we need NONE for libpcapJason A. Donenfeld
This makes addrconf add a temporary IPv6 address, which is annoying, and currently there's not a work around for this. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-16packets: consolidate constantsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-15various: nits from willyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-15debug: cleanup skb printingJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-15socket: keep track of src address in sending packetsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-06debug: support dynamic debug on skb addrJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-04socket: use dst_cache instead of handrolled cacheJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-11-03device: use ARPHDR_VOID instead of ARPHDR_NONEJason A. Donenfeld
These amount to the same exact thing, except that IPv6 auto configuration won't assign it a (useless) random address and add multicast routes. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-10-22device: better debug message for unroutable packetsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-10-14device: show debug message when no peer has allowed-ips for packetJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-09-29Rework headers and includesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-18build system: revamp building and configurationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-10persistent keepalive: use authenticated keepalivesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-08persistent keepalive: start sending immediatelyJason A. Donenfeld
Rather than only start sending the persistent keepalive packets when the device first sends data, this changes it to send the packets immediately on `ip link set up`. This makes things generally seem more stateless, since the administrator does not have to manually ping the endpoint. Of course, if you have a lot of peers and all of them have persistent keepalive enabled, this could cause a lot of unwanted immediate traffic. On the other hand, if all of those peers are at some point going to be sending packets, this would happen anyway. I suppose the moral of the story is that persistent keepalive is a feature really just for clients behind NAT, not for servers, and it should be used sparingly, which is why we've set it off by default in the first place. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-07-05device: move unlikely check to if clauseJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-06-30device init: free wq after padataJason A. Donenfeld
The padata free functions make reference to their parent workqueue, so it's important that we wait to free the workqueue after the padata. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-06-29device: remove updating of trans_startJason A. Donenfeld
Per http://lists.openwall.net/netdev/2016/05/03/87 dev->trans_start has been removed, and updates are now supposed to be handled with netif_trans_update, which now updates the particular txqueue's trans_start instead. However, netdev_start_xmit already updates this member after calling ndo_start_xmit, so the new netif_trans_update function smartly makes the comment that for drivers that don't use LLTX, it's not neccessary to call netif_trans_update. Except we do use LLTX, so it would seem again that we do need to be calling netif_trans_update. However, glancing at drivers like vxlan and other similar virtual tunnels, this doesn't seem to be the case. I suspect the reason is that we both also set IFF_NO_QUEUE, so we aren't even using a txqueue for updating. Thus, this patch removes updating of trans_start all together. I believe this should be okay for older kernels too. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2016-06-25Initial commitJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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