From: Doru Gucea <[email protected]>
Once the mac80211 layer receives a beacon, it should send a notification
to the driver. This will allow finer timining control in case of drivers
that need a correct estimation for the arrival time of a beacon.
Signed-off-by: Doru Gucea <[email protected]>
---
net/mac80211/mlme.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index cd7e55e..0b8eed5 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3536,6 +3536,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.sync_dtim_count = 0;
}
+ /* trigger hardware timers adjustment
+ * this needs to be done before beacon filtering
+ */
+ changed |= BSS_CHANGED_BEACON_INFO;
+ ieee80211_bss_info_change_notify(sata, changed);
+
if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
return;
ifmgd->beacon_crc = ncrc;
--
1.9.1
Hi Doru,
[auto build test ERROR on mac80211-next/master]
[also build test ERROR on v4.10-rc8 next-20170215]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Doru/mac80211-Update-the-driver-with-beacon-info-constantly/20170216-034614
base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master
config: x86_64-lkp (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
net/mac80211/mlme.c: In function 'ieee80211_rx_mgmt_beacon':
>> net/mac80211/mlme.c:3555:35: error: 'sata' undeclared (first use in this function)
ieee80211_bss_info_change_notify(sata, changed);
^~~~
net/mac80211/mlme.c:3555:35: note: each undeclared identifier is reported only once for each function it appears in
vim +/sata +3555 net/mac80211/mlme.c
3549 }
3550
3551 /* trigger hardware timers adjustment
3552 * this needs to be done before beacon filtering
3553 */
3554 changed |= BSS_CHANGED_BEACON_INFO;
> 3555 ieee80211_bss_info_change_notify(sata, changed);
3556
3557 if (ncrc == ifmgd->beacon_crc && ifmgd->beacon_crc_valid)
3558 return;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation