global: run through clang-format

This is the worst commit in the whole repo, making the code much less
readable, but so it goes with upstream maintainers.

We are now woefully wrapped at 80 columns.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 58 insertions, 37 deletions

diff --git a/src/device.c b/src/device.c
index 297125a..3dfa794 100644
--- a/src/device.c
+++ b/src/device.c
@@ -28,19 +28,18 @@ static LIST_HEAD(device_list);
 
 static int open(struct net_device *dev)
 {
-	int ret;
-	struct wireguard_peer *peer;
+	struct in_device *dev_v4 = __in_dev_get_rtnl(dev);
 	struct wireguard_device *wg = netdev_priv(dev);
 #ifndef COMPAT_CANNOT_USE_IN6_DEV_GET
 	struct inet6_dev *dev_v6 = __in6_dev_get(dev);
 #endif
-	struct in_device *dev_v4 = __in_dev_get_rtnl(dev);
+	struct wireguard_peer *peer;
+	int ret;
 
 	if (dev_v4) {
-		/* TODO: at some point we might put this check near the ip_rt_send_redirect
-		 * call of ip_forward in net/ipv4/ip_forward.c, similar to the current secpath
-		 * check, rather than turning it off like this. This is just a stop gap solution
-		 * while we're an out of tree module.
+		/* At some point we might put this check near the ip_rt_send_
+		 * redirect call of ip_forward in net/ipv4/ip_forward.c, similar
+		 * to the current secpath check.
 		 */
 		IN_DEV_CONF_SET(dev_v4, SEND_REDIRECTS, false);
 		IPV4_DEVCONF_ALL(dev_net(dev), SEND_REDIRECTS) = false;
@@ -58,7 +57,7 @@ static int open(struct net_device *dev)
 	if (ret < 0)
 		return ret;
 	mutex_lock(&wg->device_update_lock);
-	list_for_each_entry(peer, &wg->peer_list, peer_list) {
+	list_for_each_entry (peer, &wg->peer_list, peer_list) {
 		packet_send_staged_packets(peer);
 		if (peer->persistent_keepalive_interval)
 			packet_send_keepalive(peer);
@@ -68,7 +67,8 @@ static int open(struct net_device *dev)
 }
 
 #if defined(CONFIG_PM_SLEEP) && !defined(CONFIG_ANDROID)
-static int pm_notification(struct notifier_block *nb, unsigned long action, void *data)
+static int pm_notification(struct notifier_block *nb, unsigned long action,
+			   void *data)
 {
 	struct wireguard_device *wg;
 	struct wireguard_peer *peer;
@@ -77,9 +77,9 @@ static int pm_notification(struct notifier_block *nb, unsigned long action, void
 		return 0;
 
 	rtnl_lock();
-	list_for_each_entry(wg, &device_list, device_list) {
+	list_for_each_entry (wg, &device_list, device_list) {
 		mutex_lock(&wg->device_update_lock);
-		list_for_each_entry(peer, &wg->peer_list, peer_list) {
+		list_for_each_entry (peer, &wg->peer_list, peer_list) {
 			noise_handshake_clear(&peer->handshake);
 			noise_keypairs_clear(&peer->keypairs);
 			if (peer->timers_enabled)
@@ -100,12 +100,14 @@ static int stop(struct net_device *dev)
 	struct wireguard_peer *peer;
 
 	mutex_lock(&wg->device_update_lock);
-	list_for_each_entry(peer, &wg->peer_list, peer_list) {
+	list_for_each_entry (peer, &wg->peer_list, peer_list) {
 		skb_queue_purge(&peer->staged_packet_queue);
 		timers_stop(peer);
 		noise_handshake_clear(&peer->handshake);
 		noise_keypairs_clear(&peer->keypairs);
-		atomic64_set(&peer->last_sent_handshake, ktime_get_boot_fast_ns() - (u64)(REKEY_TIMEOUT + 1) * NSEC_PER_SEC);
+		atomic64_set(&peer->last_sent_handshake,
+			     ktime_get_boot_fast_ns() -
+				     (u64)(REKEY_TIMEOUT + 1) * NSEC_PER_SEC);
 	}
 	mutex_unlock(&wg->device_update_lock);
 	skb_queue_purge(&wg->incoming_handshakes);
@@ -133,16 +135,19 @@ static netdev_tx_t xmit(struct sk_buff *skb, struct net_device *dev)
 	if (unlikely(!peer)) {
 		ret = -ENOKEY;
 		if (skb->protocol == htons(ETH_P_IP))
-			net_dbg_ratelimited("%s: No peer has allowed IPs matching %pI4\n", dev->name, &ip_hdr(skb)->daddr);
+			net_dbg_ratelimited("%s: No peer has allowed IPs matching %pI4\n",
+					    dev->name, &ip_hdr(skb)->daddr);
 		else if (skb->protocol == htons(ETH_P_IPV6))
-			net_dbg_ratelimited("%s: No peer has allowed IPs matching %pI6\n", dev->name, &ipv6_hdr(skb)->daddr);
+			net_dbg_ratelimited("%s: No peer has allowed IPs matching %pI6\n",
+					    dev->name, &ipv6_hdr(skb)->daddr);
 		goto err;
 	}
 
 	family = READ_ONCE(peer->endpoint.addr.sa_family);
 	if (unlikely(family != AF_INET && family != AF_INET6)) {
 		ret = -EDESTADDRREQ;
-		net_dbg_ratelimited("%s: No valid endpoint has been configured or discovered for peer %llu\n", dev->name, peer->internal_id);
+		net_dbg_ratelimited("%s: No valid endpoint has been configured or discovered for peer %llu\n",
+				    dev->name, peer->internal_id);
 		goto err_peer;
 	}
 
@@ -180,8 +185,9 @@ static netdev_tx_t xmit(struct sk_buff *skb, struct net_device *dev)
 	} while ((skb = next) != NULL);
 
 	spin_lock_bh(&peer->staged_packet_queue.lock);
-	/* If the queue is getting too big, we start removing the oldest packets until it's small again.
-	 * We do this before adding the new packet, so we don't remove GSO segments that are in excess.
+	/* If the queue is getting too big, we start removing the oldest packets
+	 * until it's small again. We do this before adding the new packet, so
+	 * we don't remove GSO segments that are in excess.
 	 */
 	while (skb_queue_len(&peer->staged_packet_queue) > MAX_STAGED_PACKETS)
 		dev_kfree_skb(__skb_dequeue(&peer->staged_packet_queue));
@@ -223,7 +229,8 @@ static void destruct(struct net_device *dev)
 	wg->incoming_port = 0;
 	socket_reinit(wg, NULL, NULL);
 	allowedips_free(&wg->peer_allowedips, &wg->device_update_lock);
-	peer_remove_all(wg); /* The final references are cleared in the below calls to destroy_workqueue. */
+	/* The final references are cleared in the below calls to destroy_workqueue. */
+	peer_remove_all(wg);
 	destroy_workqueue(wg->handshake_receive_wq);
 	destroy_workqueue(wg->handshake_send_wq);
 	destroy_workqueue(wg->packet_crypt_wq);
@@ -231,7 +238,8 @@ static void destruct(struct net_device *dev)
 	packet_queue_free(&wg->encrypt_queue, true);
 	rcu_barrier_bh(); /* Wait for all the peers to be actually freed. */
 	ratelimiter_uninit();
-	memzero_explicit(&wg->static_identity, sizeof(struct noise_static_identity));
+	memzero_explicit(&wg->static_identity,
+			 sizeof(struct noise_static_identity));
 	skb_queue_purge(&wg->incoming_handshakes);
 	free_percpu(dev->tstats);
 	free_percpu(wg->incoming_handshakes_worker);
@@ -243,14 +251,14 @@ static void destruct(struct net_device *dev)
 	free_netdev(dev);
 }
 
-static const struct device_type device_type = {
-	.name = KBUILD_MODNAME
-};
+static const struct device_type device_type = { .name = KBUILD_MODNAME };
 
 static void setup(struct net_device *dev)
 {
 	struct wireguard_device *wg = netdev_priv(dev);
-	enum { WG_NETDEV_FEATURES = NETIF_F_HW_CSUM | NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_GSO | NETIF_F_GSO_SOFTWARE | NETIF_F_HIGHDMA };
+	enum { WG_NETDEV_FEATURES = NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
+				    NETIF_F_SG | NETIF_F_GSO |
+				    NETIF_F_GSO_SOFTWARE | NETIF_F_HIGHDMA };
 
 	dev->netdev_ops = &netdev_ops;
 	dev->hard_header_len = 0;
@@ -268,7 +276,9 @@ static void setup(struct net_device *dev)
 	dev->features |= WG_NETDEV_FEATURES;
 	dev->hw_features |= WG_NETDEV_FEATURES;
 	dev->hw_enc_features |= WG_NETDEV_FEATURES;
-	dev->mtu = ETH_DATA_LEN - MESSAGE_MINIMUM_LENGTH - sizeof(struct udphdr) - max(sizeof(struct ipv6hdr), sizeof(struct iphdr));
+	dev->mtu = ETH_DATA_LEN - MESSAGE_MINIMUM_LENGTH -
+		   sizeof(struct udphdr) -
+		   max(sizeof(struct ipv6hdr), sizeof(struct iphdr));
 
 	SET_NETDEV_DEVTYPE(dev, &device_type);
 
@@ -279,7 +289,9 @@ static void setup(struct net_device *dev)
 	wg->dev = dev;
 }
 
-static int newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[], struct netlink_ext_ack *extack)
+static int newlink(struct net *src_net, struct net_device *dev,
+		   struct nlattr *tb[], struct nlattr *data[],
+		   struct netlink_ext_ack *extack)
 {
 	int ret = -ENOMEM;
 	struct wireguard_device *wg = netdev_priv(dev);
@@ -300,26 +312,32 @@ static int newlink(struct net *src_net, struct net_device *dev, struct nlattr *t
 	if (!dev->tstats)
 		goto error_1;
 
-	wg->incoming_handshakes_worker = packet_alloc_percpu_multicore_worker(packet_handshake_receive_worker, wg);
+	wg->incoming_handshakes_worker = packet_alloc_percpu_multicore_worker(
+		packet_handshake_receive_worker, wg);
 	if (!wg->incoming_handshakes_worker)
 		goto error_2;
 
-	wg->handshake_receive_wq = alloc_workqueue("wg-kex-%s", WQ_CPU_INTENSIVE | WQ_FREEZABLE, 0, dev->name);
+	wg->handshake_receive_wq = alloc_workqueue("wg-kex-%s",
+			WQ_CPU_INTENSIVE | WQ_FREEZABLE, 0, dev->name);
 	if (!wg->handshake_receive_wq)
 		goto error_3;
 
-	wg->handshake_send_wq = alloc_workqueue("wg-kex-%s", WQ_UNBOUND | WQ_FREEZABLE, 0, dev->name);
+	wg->handshake_send_wq = alloc_workqueue("wg-kex-%s",
+			WQ_UNBOUND | WQ_FREEZABLE, 0, dev->name);
 	if (!wg->handshake_send_wq)
 		goto error_4;
 
-	wg->packet_crypt_wq = alloc_workqueue("wg-crypt-%s", WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM, 0, dev->name);
+	wg->packet_crypt_wq = alloc_workqueue("wg-crypt-%s",
+			WQ_CPU_INTENSIVE | WQ_MEM_RECLAIM, 0, dev->name);
 	if (!wg->packet_crypt_wq)
 		goto error_5;
 
-	if (packet_queue_init(&wg->encrypt_queue, packet_encrypt_worker, true, MAX_QUEUED_PACKETS) < 0)
+	if (packet_queue_init(&wg->encrypt_queue, packet_encrypt_worker, true,
+			      MAX_QUEUED_PACKETS) < 0)
 		goto error_6;
 
-	if (packet_queue_init(&wg->decrypt_queue, packet_decrypt_worker, true, MAX_QUEUED_PACKETS) < 0)
+	if (packet_queue_init(&wg->decrypt_queue, packet_decrypt_worker, true,
+			      MAX_QUEUED_PACKETS) < 0)
 		goto error_7;
 
 	ret = ratelimiter_init();
@@ -332,8 +350,8 @@ static int newlink(struct net *src_net, struct net_device *dev, struct nlattr *t
 
 	list_add(&wg->device_list, &device_list);
 
-	/* We wait until the end to assign priv_destructor, so that register_netdevice doesn't
-	 * call it for us if it fails.
+	/* We wait until the end to assign priv_destructor, so that
+	 * register_netdevice doesn't call it for us if it fails.
 	 */
 	dev->priv_destructor = destruct;
 
@@ -367,7 +385,8 @@ static struct rtnl_link_ops link_ops __read_mostly = {
 	.newlink		= newlink,
 };
 
-static int netdevice_notification(struct notifier_block *nb, unsigned long action, void *data)
+static int netdevice_notification(struct notifier_block *nb,
+				  unsigned long action, void *data)
 {
 	struct net_device *dev = ((struct netdev_notifier_info *)data)->dev;
 	struct wireguard_device *wg = netdev_priv(dev);
@@ -380,14 +399,16 @@ static int netdevice_notification(struct notifier_block *nb, unsigned long actio
 	if (dev_net(dev) == wg->creating_net && wg->have_creating_net_ref) {
 		put_net(wg->creating_net);
 		wg->have_creating_net_ref = false;
-	} else if (dev_net(dev) != wg->creating_net && !wg->have_creating_net_ref) {
+	} else if (dev_net(dev) != wg->creating_net &&
+		   !wg->have_creating_net_ref) {
 		wg->have_creating_net_ref = true;
 		get_net(wg->creating_net);
 	}
 	return 0;
 }
 
-static struct notifier_block netdevice_notifier = { .notifier_call = netdevice_notification };
+static struct notifier_block netdevice_notifier =
+				{ .notifier_call = netdevice_notification };
 
 int __init device_init(void)
 {