A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-10 14:19:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

qcacld-3.0: Don't do CSA on DFS channel in Non-DBS HW

Browse source 
In case of Non-DBS HW, don't allow channel to switch
to DFS channel or 160 Mhz BW in 5 Ghz, if STA is not
connected.

This is done because in Non-DBS HW, Monitoring mode
is disabled as sta_sap_scc_on_dfs_chnl is forced to
1.

Change-Id: Ie30a38a6c5155ca2b6f11f602fb51a43ca2e323e
CRs-Fixed: 2916799
This commit is contained in:
Utkarsh Bhatnagar 2021-04-15 14:10:14 +05:30 • committed by Madan Koyyalamudi
commit 8b0ac900d2
1 changed files with 16 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

16
core/hdd/src/wlan_hdd_hostapd.c
View file

@ -2942,6 +2942,7 @@ int hdd_softap_set_channel_change(struct net_device *dev, int target_chan_freq,
bool is_p2p_go_session = false;
struct wlan_objmgr_vdev *vdev;
bool strict;
uint32_t sta_cnt = 0;
hdd_ctx = WLAN_HDD_GET_CTX(adapter);
ret = wlan_hdd_validate_context(hdd_ctx);
@ -2987,6 +2988,21 @@ int hdd_softap_set_channel_change(struct net_device *dev, int target_chan_freq,
}
}
sta_cnt = policy_mgr_mode_specific_connection_count(hdd_ctx->psoc,
PM_STA_MODE,
NULL);
/*
* For non-dbs HW, don't allow Channel switch on DFS channel if STA is
* not connected.
*/
if (!sta_cnt && !policy_mgr_is_hw_dbs_capable(hdd_ctx->psoc) &&
(wlan_reg_is_dfs_for_freq(hdd_ctx->pdev, target_chan_freq) ||
(wlan_reg_is_5ghz_ch_freq(target_chan_freq) &&
target_bw == CH_WIDTH_160MHZ))) {
hdd_debug("Channel switch not allowed for non-DBS HW on DFS channel %d width %d", target_chan_freq, target_bw);
return -EINVAL;
}
/*
* Set the ch_switch_in_progress flag to mimic channel change
* when a radar is found. This will enable synchronizing