| Message ID | 1644416019-820-1-git-send-email-quic_vnaralas@quicinc.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 5ed98fb704d97894a2c7217989fd8290e4b7b985 |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | [1/2] ath11k: fix WARN_ON during ath11k_mac_update_vif_chan | expand |
Venkateswara Naralasetty <quic_vnaralas@quicinc.com> wrote: > Fix WARN_ON() from ath11k_mac_update_vif_chan() if vdev is not up. > Since change_chanctx can be called even before vdev_up from > ieee80211_start_ap->ieee80211_vif_use_channel-> > ieee80211_recalc_radar_chanctx. > > Do vdev stop followed by a vdev start in case of vdev is down. > > Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Venkateswara Naralasetty <quic_vnaralas@quicinc.com> > Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> 2 patches applied to ath-next branch of ath.git, thanks. 5ed98fb704d9 ath11k: fix WARN_ON during ath11k_mac_update_vif_chan 4f6dd92305f7 ath11k: fix radar detection in 160 Mhz
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index ed89905..d5922a0 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -6856,13 +6856,33 @@ ath11k_mac_update_vif_chan(struct ath11k *ar, if (WARN_ON(!arvif->is_started)) continue; - if (WARN_ON(!arvif->is_up)) - continue; + /* change_chanctx can be called even before vdev_up from + * ieee80211_start_ap->ieee80211_vif_use_channel-> + * ieee80211_recalc_radar_chanctx. + * + * Firmware expect vdev_restart only if vdev is up. + * If vdev is down then it expect vdev_stop->vdev_start. + */ + if (arvif->is_up) { + ret = ath11k_mac_vdev_restart(arvif, &vifs[i].new_ctx->def); + if (ret) { + ath11k_warn(ab, "failed to restart vdev %d: %d\n", + arvif->vdev_id, ret); + continue; + } + } else { + ret = ath11k_mac_vdev_stop(arvif); + if (ret) { + ath11k_warn(ab, "failed to stop vdev %d: %d\n", + arvif->vdev_id, ret); + continue; + } + + ret = ath11k_mac_vdev_start(arvif, &vifs[i].new_ctx->def); + if (ret) + ath11k_warn(ab, "failed to start vdev %d: %d\n", + arvif->vdev_id, ret); - ret = ath11k_mac_vdev_restart(arvif, &vifs[i].new_ctx->def); - if (ret) { - ath11k_warn(ab, "failed to restart vdev %d: %d\n", - arvif->vdev_id, ret); continue; }
Fix WARN_ON() from ath11k_mac_update_vif_chan() if vdev is not up. Since change_chanctx can be called even before vdev_up from ieee80211_start_ap->ieee80211_vif_use_channel-> ieee80211_recalc_radar_chanctx. Do vdev stop followed by a vdev start in case of vdev is down. Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1 Signed-off-by: Venkateswara Naralasetty <quic_vnaralas@quicinc.com> --- drivers/net/wireless/ath/ath11k/mac.c | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-)