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, 57 insertions, 28 deletions

diff --git a/src/peer.c b/src/peer.c
index b9703d5..c079b71 100644
--- a/src/peer.c
+++ b/src/peer.c
@@ -17,7 +17,10 @@
 
 static atomic64_t peer_counter = ATOMIC64_INIT(0);
 
-struct wireguard_peer *peer_create(struct wireguard_device *wg, const u8 public_key[NOISE_PUBLIC_KEY_LEN], const u8 preshared_key[NOISE_SYMMETRIC_KEY_LEN])
+struct wireguard_peer *
+peer_create(struct wireguard_device *wg,
+	    const u8 public_key[NOISE_PUBLIC_KEY_LEN],
+	    const u8 preshared_key[NOISE_SYMMETRIC_KEY_LEN])
 {
 	struct wireguard_peer *peer;
 
@@ -31,11 +34,13 @@ struct wireguard_peer *peer_create(struct wireguard_device *wg, const u8 public_
 		return NULL;
 	peer->device = wg;
 
-	if (!noise_handshake_init(&peer->handshake, &wg->static_identity, public_key, preshared_key, peer))
+	if (!noise_handshake_init(&peer->handshake, &wg->static_identity,
+				  public_key, preshared_key, peer))
 		goto err_1;
 	if (dst_cache_init(&peer->endpoint_cache, GFP_KERNEL))
 		goto err_1;
-	if (packet_queue_init(&peer->tx_queue, packet_tx_worker, false, MAX_QUEUED_PACKETS))
+	if (packet_queue_init(&peer->tx_queue, packet_tx_worker, false,
+			      MAX_QUEUED_PACKETS))
 		goto err_2;
 	if (packet_queue_init(&peer->rx_queue, NULL, false, MAX_QUEUED_PACKETS))
 		goto err_3;
@@ -50,7 +55,9 @@ struct wireguard_peer *peer_create(struct wireguard_device *wg, const u8 public_
 	rwlock_init(&peer->endpoint_lock);
 	kref_init(&peer->refcount);
 	skb_queue_head_init(&peer->staged_packet_queue);
-	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);
 	set_bit(NAPI_STATE_NO_BUSY_POLL, &peer->napi.state);
 	netif_napi_add(wg->dev, &peer->napi, packet_rx_poll, NAPI_POLL_WEIGHT);
 	napi_enable(&peer->napi);
@@ -71,15 +78,16 @@ err_1:
 
 struct wireguard_peer *peer_get_maybe_zero(struct wireguard_peer *peer)
 {
-	RCU_LOCKDEP_WARN(!rcu_read_lock_bh_held(), "Taking peer reference without holding the RCU read lock");
+	RCU_LOCKDEP_WARN(!rcu_read_lock_bh_held(),
+			 "Taking peer reference without holding the RCU read lock");
 	if (unlikely(!peer || !kref_get_unless_zero(&peer->refcount)))
 		return NULL;
 	return peer;
 }
 
-/* We have a separate "remove" function to get rid of the final reference because
- * peer_list, clearing handshakes, and flushing all require mutexes which requires
- * sleeping, which must only be done from certain contexts.
+/* We have a separate "remove" function to get rid of the final reference
+ * because peer_list, clearing handshakes, and flushing all require mutexes
+ * which requires sleeping, which must only be done from certain contexts.
  */
 void peer_remove(struct wireguard_peer *peer)
 {
@@ -87,37 +95,49 @@ void peer_remove(struct wireguard_peer *peer)
 		return;
 	lockdep_assert_held(&peer->device->device_update_lock);
 
-	/* Remove from configuration-time lookup structures so new packets can't enter. */
+	/* Remove from configuration-time lookup structures so new packets
+	 * can't enter.
+	 */
 	list_del_init(&peer->peer_list);
-	allowedips_remove_by_peer(&peer->device->peer_allowedips, peer, &peer->device->device_update_lock);
+	allowedips_remove_by_peer(&peer->device->peer_allowedips, peer,
+				  &peer->device->device_update_lock);
 	pubkey_hashtable_remove(&peer->device->peer_hashtable, peer);
 
 	/* Mark as dead, so that we don't allow jumping contexts after. */
 	WRITE_ONCE(peer->is_dead, true);
 	synchronize_rcu_bh();
 
-	/* Now that no more keypairs can be created for this peer, we destroy existing ones. */
+	/* Now that no more keypairs can be created for this peer, we destroy
+	 * existing ones.
+	 */
 	noise_keypairs_clear(&peer->keypairs);
 
-	/* Destroy all ongoing timers that were in-flight at the beginning of this function. */
+	/* Destroy all ongoing timers that were in-flight at the beginning of
+	 * this function.
+	 */
 	timers_stop(peer);
 
-	/* The transition between packet encryption/decryption queues isn't guarded
-	 * by is_dead, but each reference's life is strictly bounded by two
-	 * generations: once for parallel crypto and once for serial ingestion,
-	 * so we can simply flush twice, and be sure that we no longer have references
-	 * inside these queues.
-	 *
-	 * a) For encrypt/decrypt. */
+	/* The transition between packet encryption/decryption queues isn't
+	 * guarded by is_dead, but each reference's life is strictly bounded by
+	 * two generations: once for parallel crypto and once for serial
+	 * ingestion, so we can simply flush twice, and be sure that we no
+	 * longer have references inside these queues.
+	 */
+
+	/* a) For encrypt/decrypt. */
 	flush_workqueue(peer->device->packet_crypt_wq);
 	/* b.1) For send (but not receive, since that's napi). */
 	flush_workqueue(peer->device->packet_crypt_wq);
 	/* b.2.1) For receive (but not send, since that's wq). */
 	napi_disable(&peer->napi);
-	/* b.2.1) It's now safe to remove the napi struct, which must be done here from process context. */
+	/* b.2.1) It's now safe to remove the napi struct, which must be done
+	 * here from process context.
+	 */
 	netif_napi_del(&peer->napi);
 
-	/* Ensure any workstructs we own (like transmit_handshake_work or clear_peer_work) no longer are in use. */
+	/* Ensure any workstructs we own (like transmit_handshake_work or
+	 * clear_peer_work) no longer are in use.
+	 */
 	flush_workqueue(peer->device->handshake_send_wq);
 
 	--peer->device->num_peers;
@@ -126,7 +146,8 @@ void peer_remove(struct wireguard_peer *peer)
 
 static void rcu_release(struct rcu_head *rcu)
 {
-	struct wireguard_peer *peer = container_of(rcu, struct wireguard_peer, rcu);
+	struct wireguard_peer *peer =
+		container_of(rcu, struct wireguard_peer, rcu);
 	dst_cache_destroy(&peer->endpoint_cache);
 	packet_queue_free(&peer->rx_queue, false);
 	packet_queue_free(&peer->tx_queue, false);
@@ -135,11 +156,19 @@ static void rcu_release(struct rcu_head *rcu)
 
 static void kref_release(struct kref *refcount)
 {
-	struct wireguard_peer *peer = container_of(refcount, struct wireguard_peer, refcount);
-	pr_debug("%s: Peer %llu (%pISpfsc) destroyed\n", peer->device->dev->name, peer->internal_id, &peer->endpoint.addr);
-	/* Remove ourself from dynamic runtime lookup structures, now that the last reference is gone. */
-	index_hashtable_remove(&peer->device->index_hashtable, &peer->handshake.entry);
-	/* Remove any lingering packets that didn't have a chance to be transmitted. */
+	struct wireguard_peer *peer =
+		container_of(refcount, struct wireguard_peer, refcount);
+	pr_debug("%s: Peer %llu (%pISpfsc) destroyed\n",
+		 peer->device->dev->name, peer->internal_id,
+		 &peer->endpoint.addr);
+	/* Remove ourself from dynamic runtime lookup structures, now that the
+	 * last reference is gone.
+	 */
+	index_hashtable_remove(&peer->device->index_hashtable,
+			       &peer->handshake.entry);
+	/* Remove any lingering packets that didn't have a chance to be
+	 * transmitted.
+	 */
 	skb_queue_purge(&peer->staged_packet_queue);
 	/* Free the memory used. */
 	call_rcu_bh(&peer->rcu, rcu_release);
@@ -157,6 +186,6 @@ void peer_remove_all(struct wireguard_device *wg)
 	struct wireguard_peer *peer, *temp;
 
 	lockdep_assert_held(&wg->device_update_lock);
-	list_for_each_entry_safe(peer, temp, &wg->peer_list, peer_list)
+	list_for_each_entry_safe (peer, temp, &wg->peer_list, peer_list)
 		peer_remove(peer);
 }