diff options
| author | Nolan Leake <nolan@cumulusnetworks.com> | 2010-07-27 13:53:43 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-30 22:06:41 -0700 |
| commit | bee31369ce16fc3898ec9a54161248c9eddb06bc (patch) | |
| tree | 5c5752c2263e7523941f663788ed406328b81b1b | |
| parent | ae3568adf42d5d3bb3cfa505b94351c5d1ce4924 (diff) | |
| download | linux-rpi3-bee31369ce16fc3898ec9a54161248c9eddb06bc.tar.gz linux-rpi3-bee31369ce16fc3898ec9a54161248c9eddb06bc.tar.bz2 linux-rpi3-bee31369ce16fc3898ec9a54161248c9eddb06bc.zip | |
tun: keep link (carrier) state up to date
Currently, only ethtool can get accurate link state of a tap device.
With this patch, IFF_RUNNING and IF_OPER_UP/DOWN are kept up to date as
well.
Signed-off-by: Nolan Leake <nolan@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/tun.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 63042596f0cf..55f3a3e667a9 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -149,6 +149,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file) tfile->tun = tun; tun->tfile = tfile; tun->socket.file = file; + netif_carrier_on(tun->dev); dev_hold(tun->dev); sock_hold(tun->socket.sk); atomic_inc(&tfile->count); @@ -162,6 +163,7 @@ static void __tun_detach(struct tun_struct *tun) { /* Detach from net device */ netif_tx_lock_bh(tun->dev); + netif_carrier_off(tun->dev); tun->tfile = NULL; tun->socket.file = NULL; netif_tx_unlock_bh(tun->dev); @@ -1574,12 +1576,6 @@ static void tun_set_msglevel(struct net_device *dev, u32 value) #endif } -static u32 tun_get_link(struct net_device *dev) -{ - struct tun_struct *tun = netdev_priv(dev); - return !!tun->tfile; -} - static u32 tun_get_rx_csum(struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); @@ -1601,7 +1597,7 @@ static const struct ethtool_ops tun_ethtool_ops = { .get_drvinfo = tun_get_drvinfo, .get_msglevel = tun_get_msglevel, .set_msglevel = tun_set_msglevel, - .get_link = tun_get_link, + .get_link = ethtool_op_get_link, .get_rx_csum = tun_get_rx_csum, .set_rx_csum = tun_set_rx_csum }; |