From: Julian Orth <ju.orth@gmail.com>
To: wireguard@lists.zx2c4.com
Subject: [PATCH 2/7] device: rename creating_net to transit_net
Date: Sat, 8 Sep 2018 14:18:36 +0200 [thread overview]
Message-ID: <20180908121841.8372-3-ju.orth@gmail.com> (raw)
In-Reply-To: <20180908121841.8372-1-ju.orth@gmail.com>
---
src/device.c | 20 ++++++++++----------
src/device.h | 4 ++--
src/socket.c | 8 ++++----
3 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/src/device.c b/src/device.c
index 88c228b..92aefc4 100644
--- a/src/device.c
+++ b/src/device.c
@@ -243,8 +243,8 @@ static void destruct(struct net_device *dev)
skb_queue_purge(&wg->incoming_handshakes);
free_percpu(dev->tstats);
free_percpu(wg->incoming_handshakes_worker);
- if (wg->have_creating_net_ref)
- put_net(wg->creating_net);
+ if (wg->have_transit_net_ref)
+ put_net(wg->transit_net);
mutex_unlock(&wg->device_update_lock);
pr_debug("%s: Interface deleted\n", dev->name);
@@ -296,7 +296,7 @@ static int newlink(struct net *src_net, struct net_device *dev,
int ret = -ENOMEM;
struct wireguard_device *wg = netdev_priv(dev);
- wg->creating_net = src_net;
+ wg->transit_net = src_net;
init_rwsem(&wg->static_identity.lock);
mutex_init(&wg->socket_update_lock);
mutex_init(&wg->device_update_lock);
@@ -396,13 +396,13 @@ static int netdevice_notification(struct notifier_block *nb,
if (action != NETDEV_REGISTER || dev->netdev_ops != &netdev_ops)
return 0;
- 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) {
- wg->have_creating_net_ref = true;
- get_net(wg->creating_net);
+ if (dev_net(dev) == wg->transit_net && wg->have_transit_net_ref) {
+ put_net(wg->transit_net);
+ wg->have_transit_net_ref = false;
+ } else if (dev_net(dev) != wg->transit_net &&
+ !wg->have_transit_net_ref) {
+ wg->have_transit_net_ref = true;
+ get_net(wg->transit_net);
}
return 0;
}
diff --git a/src/device.h b/src/device.h
index 2499782..4b7552c 100644
--- a/src/device.h
+++ b/src/device.h
@@ -40,7 +40,7 @@ struct wireguard_device {
struct net_device *dev;
struct crypt_queue encrypt_queue, decrypt_queue;
struct sock __rcu *sock4, *sock6;
- struct net *creating_net;
+ struct net *transit_net;
struct noise_static_identity static_identity;
struct workqueue_struct *handshake_receive_wq, *handshake_send_wq;
struct workqueue_struct *packet_crypt_wq;
@@ -56,7 +56,7 @@ struct wireguard_device {
unsigned int num_peers, device_update_gen;
u32 fwmark;
u16 incoming_port;
- bool have_creating_net_ref;
+ bool have_transit_net_ref;
};
int device_init(void);
diff --git a/src/socket.c b/src/socket.c
index 2e9e44f..72f3e6a 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -384,18 +384,18 @@ int socket_init(struct wireguard_device *wg, u16 port)
retry:
#endif
- ret = udp_sock_create(wg->creating_net, &port4, &new4);
+ ret = udp_sock_create(wg->transit_net, &port4, &new4);
if (ret < 0) {
pr_err("%s: Could not create IPv4 socket\n", wg->dev->name);
return ret;
}
set_sock_opts(new4);
- setup_udp_tunnel_sock(wg->creating_net, new4, &cfg);
+ setup_udp_tunnel_sock(wg->transit_net, new4, &cfg);
#if IS_ENABLED(CONFIG_IPV6)
if (ipv6_mod_enabled()) {
port6.local_udp_port = inet_sk(new4->sk)->inet_sport;
- ret = udp_sock_create(wg->creating_net, &port6, &new6);
+ ret = udp_sock_create(wg->transit_net, &port6, &new6);
if (ret < 0) {
udp_tunnel_sock_release(new4);
if (ret == -EADDRINUSE && !port && retries++ < 100)
@@ -405,7 +405,7 @@ retry:
return ret;
}
set_sock_opts(new6);
- setup_udp_tunnel_sock(wg->creating_net, new6, &cfg);
+ setup_udp_tunnel_sock(wg->transit_net, new6, &cfg);
}
#endif
--
2.18.0
next prev parent reply other threads:[~2018-09-08 12:18 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-08 12:18 [PATCH 0/7] Allow changing the transit namespace Julian Orth
2018-09-08 12:18 ` [PATCH 1/7] device: protect socket_init with device_update_lock Julian Orth
2018-09-08 12:18 ` Julian Orth [this message]
2018-09-08 12:18 ` [PATCH 3/7] device: store a copy of the device net Julian Orth
2018-09-08 12:18 ` [PATCH 4/7] socket: allow modification of transit_net Julian Orth
2018-09-08 12:18 ` [PATCH 5/7] netlink: allow setting of transit net Julian Orth
2018-09-08 14:03 ` Aaron Jones
2018-09-08 14:20 ` Julian Orth
2018-09-08 14:28 ` Aaron Jones
2018-09-08 12:18 ` [PATCH 6/7] tools: " Julian Orth
2018-09-08 14:04 ` Aaron Jones
2018-09-08 14:09 ` Aaron Jones
2018-09-08 14:18 ` Julian Orth
2018-09-08 14:25 ` Aaron Jones
2018-09-08 12:18 ` [PATCH 7/7] tests: add test for transit-net Julian Orth
2018-09-08 13:39 ` [PATCH 0/7] Allow changing the transit namespace Bruno Wolff III
2018-09-08 13:49 ` Julian Orth
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