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| author |   Alexander Aring <alex.aring@gmail.com> | 2014-11-12 19:51:56 +0100 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2014-11-13 04:51:58 +0100 |
| commit | 61f2dcba9a03d4fd9342f0d6821af0a46c7098e9 (patch) | |
| tree | 0244a0a47ebe5e22ae41ecff1d7f897c253fef6e /net/mac802154/iface.c | |
| parent | Bluetooth: Remove unnecessary hci_dev_lock/unlock in smp.c (diff) | |
| download | linux-dev-61f2dcba9a03d4fd9342f0d6821af0a46c7098e9.tar.xz linux-dev-61f2dcba9a03d4fd9342f0d6821af0a46c7098e9.zip | |
mac802154: add interframe spacing time handling
This patch adds a new interframe spacing time handling into mac802154
layer. Interframe spacing time is a time period between each transmit.
This patch adds a high resolution timer into mac802154 and starts on
xmit complete with corresponding interframe spacing expire time if
ifs_handling is true. We make it variable because it depends if
interframe spacing time is handled by transceiver or mac802154. At the
timer complete function we wake the netdev queue again. This avoids
new frame transmit in range of interframe spacing time.
For synced driver we add no handling of interframe spacing time. This
is currently a lack of support in all synced xmit drivers. I suppose
it's working because the latency of workqueue which is needed to call
spi_sync.
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/mac802154/iface.c')
| -rw-r--r-- | net/mac802154/iface.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c index ec92b48d1b0b..feb064715d1f 100644 --- a/net/mac802154/iface.c +++ b/net/mac802154/iface.c @@ -246,6 +246,8 @@ static int mac802154_slave_close(struct net_device *dev) ASSERT_RTNL(); + hrtimer_cancel(&local->ifs_timer); + netif_stop_queue(dev); local->open_count--; |