[PATCH 5/8] wifi: ath12k: Add helpers for multi link peer creation and deletion

[Kalle Valo]

Jeff Johnson <quic_jjohnson at quicinc.com> writes:

> On 10/23/2024 6:30 AM, Kalle Valo wrote:
>> From: Sriram R <quic_srirrama at quicinc.com>
>> 
>> Add helper functions for multi link peer addition and deletion. And add address
>> validation to ensure we are not creating link peers (belonging to different
>> clients) with same MLD address. To aid in this validation for faster lookup,
>> add a new list of ML peers to struct ath12k_hw::ml_peers and use the same for
>> parsing for the above address validation use cases.
>> 
>> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
>> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
>> 
>> Signed-off-by: Sriram R <quic_srirrama at quicinc.com>
>> Signed-off-by: Harshitha Prem <quic_hprem at quicinc.com>
>> Signed-off-by: Kalle Valo <quic_kvalo at quicinc.com>
>> ---
> ...
>> +int ath12k_peer_mlo_create(struct ath12k_hw *ah, struct ieee80211_sta *sta)
>> +{
>> +	struct ath12k_sta *ahsta = ath12k_sta_to_ahsta(sta);
>> +	struct ath12k_ml_peer *ml_peer;
>> +
>> +	lockdep_assert_wiphy(ah->hw->wiphy);
>> +
>> +	if (!sta->mlo)
>> +		return -EINVAL;
>> +
>> +	ml_peer = ath12k_ml_peer_find(ah, sta->addr);
>> +	if (ml_peer) {
>> +		ath12k_hw_warn(ah, "ML peer (%d) exists already, unable to add new entry for %pM",
>
> The Linux coding style says:
> Printing numbers in parentheses (%d) adds no value and should be avoided.

Good point, I'll remove them.

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