diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2008-02-18 18:53:55 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-02-29 15:37:12 -0500 |
| commit | d007b7f42e2a3a2b95ef43e8cc1a3dfe66b19736 (patch) | |
| tree | 55bc6a2d04105489f6919b6c422e64fd3ff21ce2 /drivers | |
| parent | aa68cbfb20b417d68dc45c9ef5f3e51546b438b0 (diff) | |
| download | linux-d007b7f42e2a3a2b95ef43e8cc1a3dfe66b19736.tar.gz linux-d007b7f42e2a3a2b95ef43e8cc1a3dfe66b19736.tar.bz2 linux-d007b7f42e2a3a2b95ef43e8cc1a3dfe66b19736.zip | |
b43(legacy): include full timestamp in beacon frames
Having the full RX timestamp in beacons is necessary for IBSS
merge to work properly so extend the 16-bit timestamp to the
full 64 bits for beacon frames (as well as when monitor mode
is active.)
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/xmit.c | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/b43legacy/xmit.c | 14 |
2 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 4014b6c8272b..187c11bee0f1 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -589,12 +589,16 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) status.antenna = !!(phystat0 & B43_RX_PHYST0_ANT); /* - * If monitors are present get full 64-bit timestamp. This - * code assumes we get to process the packet within 16 bits - * of timestamp, i.e. about 65 milliseconds after the PHY - * received the first symbol. + * All frames on monitor interfaces and beacons always need a full + * 64-bit timestamp. Monitor interfaces need it for diagnostic + * purposes and beacons for IBSS merging. + * This code assumes we get to process the packet within 16 bits + * of timestamp, i.e. about 65 milliseconds after the PHY received + * the first symbol. */ - if (dev->wl->radiotap_enabled) { + if (((fctl & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) + == (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON)) || + dev->wl->radiotap_enabled) { u16 low_mactime_now; b43_tsf_read(dev, &status.mactime); diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c index 47e130e9fdf2..dcad2491a606 100644 --- a/drivers/net/wireless/b43legacy/xmit.c +++ b/drivers/net/wireless/b43legacy/xmit.c @@ -546,12 +546,16 @@ void b43legacy_rx(struct b43legacy_wldev *dev, status.antenna = !!(phystat0 & B43legacy_RX_PHYST0_ANT); /* - * If monitors are present get full 64-bit timestamp. This - * code assumes we get to process the packet within 16 bits - * of timestamp, i.e. about 65 milliseconds after the PHY - * received the first symbol. + * All frames on monitor interfaces and beacons always need a full + * 64-bit timestamp. Monitor interfaces need it for diagnostic + * purposes and beacons for IBSS merging. + * This code assumes we get to process the packet within 16 bits + * of timestamp, i.e. about 65 milliseconds after the PHY received + * the first symbol. */ - if (dev->wl->radiotap_enabled) { + if (((fctl & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) + == (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON)) || + dev->wl->radiotap_enabled) { u16 low_mactime_now; b43legacy_tsf_read(dev, &status.mactime); |