diff options
| author | John W. Linville <linville@tuxdriver.com> | 2012-11-21 14:43:51 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-11-21 14:43:51 -0500 |
| commit | 75c8ec71fb29ed59c4b9bda2f411ed3b09164cf7 (patch) | |
| tree | c1dfd91e624b48ccefa71db573d043b639fe088f /net/mac80211/ibss.c | |
| parent | 1e60896fe07307baa5f3ca1a220dfa9792657352 (diff) | |
| parent | 77d2ece6fde80631193054edc9c9a3edad519565 (diff) | |
| download | linux-stable-75c8ec71fb29ed59c4b9bda2f411ed3b09164cf7.tar.gz linux-stable-75c8ec71fb29ed59c4b9bda2f411ed3b09164cf7.tar.bz2 linux-stable-75c8ec71fb29ed59c4b9bda2f411ed3b09164cf7.zip | |
Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Diffstat (limited to 'net/mac80211/ibss.c')
| -rw-r--r-- | net/mac80211/ibss.c | 29 |
1 files changed, 5 insertions, 24 deletions
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 67774b053535..7aa02da52125 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -543,30 +543,11 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, if (ether_addr_equal(cbss->bssid, sdata->u.ibss.bssid)) goto put_bss; - if (rx_status->flag & RX_FLAG_MACTIME_MPDU) { - /* - * For correct IBSS merging we need mactime; since mactime is - * defined as the time the first data symbol of the frame hits - * the PHY, and the timestamp of the beacon is defined as "the - * time that the data symbol containing the first bit of the - * timestamp is transmitted to the PHY plus the transmitting - * STA's delays through its local PHY from the MAC-PHY - * interface to its interface with the WM" (802.11 11.1.2) - * - equals the time this bit arrives at the receiver - we have - * to take into account the offset between the two. - * - * E.g. at 1 MBit that means mactime is 192 usec earlier - * (=24 bytes * 8 usecs/byte) than the beacon timestamp. - */ - int rate; - - if (rx_status->flag & RX_FLAG_HT) - rate = 65; /* TODO: HT rates */ - else - rate = local->hw.wiphy->bands[band]-> - bitrates[rx_status->rate_idx].bitrate; - - rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate); + if (ieee80211_have_rx_timestamp(rx_status)) { + /* time when timestamp field was received */ + rx_timestamp = + ieee80211_calculate_rx_timestamp(local, rx_status, + len + FCS_LEN, 24); } else { /* * second best option: get current TSF |