[PATCH ath-next 1/2] wifi: ath12k: Resolve multicast packet drop by populating key_cipher in ath12k_install_key()

[Vasanthakumar Thiagarajan]

On 4/3/2025 1:52 PM, Aaradhana Sahu wrote:
> Currently, the key_cipher in the ath12k_vif structure, which represents the
> group cipher of the MLD AP, is populated when the link address matches the
> ieee80211_vif address within ath12k_install_key().
> 
> However, in MLD AP, the link address and ieee80211_vif address can differ.
> Due to this key_cipher is not populated and multicast packets don't get the
> correct cipher information and resulting multicast packets drop.
> 
> To fix this, compare the link address with the arvif->bssid instead of the
> ieee80211_vif address.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00209-QCAHKSWPL_SILICONZ-1
> 
> Fixes: 3dd2c68f206ef ("wifi: ath12k: prepare vif data structure for MLO handling")
> Signed-off-by: Aaradhana Sahu <aaradhana.sahu at oss.qualcomm.com>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>