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2017-10-31timers: guard entire setting in blockJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31curve25519: only enable int128 if compiler support is soundJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31device: expand scope of destruct lockJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31global: get rid of useless forward declarationsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31device: only take reference if netns is differentJason A. Donenfeld
If we take two references, the namespace and the device are never freed in the usual manner. We should thus only take a reference to another namespace when it is a different namespace from our own. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31qemu: test using four coresJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31global: style nitsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31qemu: work around ccache bugsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31global: infuriating kernel iterator styleJason A. Donenfeld
One types: for (i = 0 ... So one should also type: for_each_obj (obj ... But the upstream kernel style guidelines are insane, and so we must instead do: for_each_obj(obj ... Ugly, but one must choose his battles wisely. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31peer: store total number of peers instead of iteratingJason A. Donenfeld
This is faster, since it means adding a new peer is O(1) instead of O(n). It's also safe to do because we're holding the device_update_lock on both the ++ and the --. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31peer: get rid of peer_for_each magicJason A. Donenfeld
Since the peer list is protected by the device_update_lock, and since items are removed from the peer list before putting their final reference, we don't actually need to take a reference when iterating. This allows us to simplify the macro considerably. Suggested-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31compat: be sure to include header before testingJason A. Donenfeld
Reported-by: Aaron M. D. Jones <aaronmdjones@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31qemu: allow for cross compilationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31crypto/avx: make sure we can actually use ymm registersJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31blake2: include headers for macrosJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31global: accept decent check_patch.pl suggestionsJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31compat: fix up stat calculation for udp tunnelJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31stats: more robust accountingJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31selftest: initialize mutex in routingtable selftestJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31netns: use time-based test instead of quantity-basedJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-31netns: use read built-in instead of ncat hack for dmesgJason A. Donenfeld
This misses lines that are greater than 128 bytes -- read returns -EINVAL -- but the lines we care about anyway are less than that, so we simply keep looping and skip the bad reads when this happens. Not ideal, but probably the best we can do in pure bash. And, importantly, it's much better than streaming this over a TCP socket, which was an even uglier hack. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17version: bump snapshotJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: put hvc directive into configurationJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17netns: disable accept_dad for all interfacesJason A. Donenfeld
Upstream's a2d3f3e33853ef52e5f66b41c3e8ee5710aa3305 broke things in strange and confusing ways. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17Makefile: even prettier outputJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: newer packagesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: always create directory before untarringJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: phase out bitbangingJason A. Donenfeld
Although I was secretly proud of having figured out these unholy hacks, it turns out -no-reboot lets us do things in a platform-independent way. Suggested-by: Jann Horn <jann@thejh.net> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: open /dev/console if we're started earlyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: simplify shutdownJason A. Donenfeld
Now that we have the watchdog, killing the watchdog process is another way of shutting down. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: add more debugging options to main makefileJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: work on ubuntu toolchainJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17qemu: add build-only targetJason A. Donenfeld
Useful for IDEs Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17selftest: better test index for rate limiterJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17blake2s: modernize API and have faster _finalJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17Makefile: do not clean before clocJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17receive: improve control flowJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17compat: support READ_ONCEJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17device: no need to take lock for integer comparisonJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17device: our use of queues means this check is worthlessJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17socket: eliminate dead codeJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17send: improve dead packet control flowJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17noise: no need to take the RCU lock if we're not dereferencingJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17compat: just make ro_after_init read_mostlyJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-17noise: handshake constants can be read-only after initJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-11version: bump snapshotJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-11contrib: filter compat linesJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-11receive: disable bh before using stats seq lockJason A. Donenfeld
Otherwise we might get a situation like this: CPU0 CPU1 ---- ---- lock(tstats lock); local_irq_disable(); lock(queue lock); lock(tstats lock); <Interrupt> lock(queue lock); CPU1 is waiting for CPU0 to release tstats lock. But CPU0, in the interrupt handler, is waiting for CPU1 to release queue lock. The solution is to disable interrupts on CPU0, so that this can't happen. Note that this only affects 32-bit, since u64_stats_update_begin nops out on native 64-bit platforms. Reported-by: René van Dorst <opensource@vdorst.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-11socket: set skb->mark in addition to flowiJason A. Donenfeld
Otherwise netfilter's ip_route_me_harder doesn't know how to reroute this and we get a nasty loop. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2017-10-11send: do not requeue if packet is deadJason A. Donenfeld
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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