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Message-ID: <2fde6ec0-7149-4a31-b9c1-cba9121ceea3@quicinc.com>
Date: Tue, 30 Jan 2024 08:27:17 +0530
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Subject: Re: [PATCH v6 5/5] wifi: mac80211: add support to call csa_finish on
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To: Jeff Johnson <quic_jjohnson@quicinc.com>, <johannes@sipsolutions.net>
CC: <linux-wireless@vger.kernel.org>
References: <20240129052832.905113-1-quic_adisi@quicinc.com>
 <20240129052832.905113-6-quic_adisi@quicinc.com>
 <a20310f8-bf6a-4823-8302-e45944f06f74@quicinc.com>
 <f03b0e3d-c4fe-442d-a8b6-d84deeed4337@quicinc.com>
From: Aditya Kumar Singh <quic_adisi@quicinc.com>
In-Reply-To: <f03b0e3d-c4fe-442d-a8b6-d84deeed4337@quicinc.com>
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On 1/30/24 07:24, Jeff Johnson wrote:
> On 1/29/2024 5:31 PM, Jeff Johnson wrote:
>> On 1/28/2024 9:28 PM, Aditya Kumar Singh wrote:
>>> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
>>> index 4427259154e2..a1a4f100d128 100644
>>> --- a/net/mac80211/cfg.c
>>> +++ b/net/mac80211/cfg.c
>>> @@ -3543,13 +3543,24 @@ cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
>>>   	return new_beacon;
>>>   }
>>>   
>>> -void ieee80211_csa_finish(struct ieee80211_vif *vif)
>>> +void ieee80211_csa_finish(struct ieee80211_vif *vif, unsigned int link_id)
>>>   {
>>>   	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
>>>   	struct ieee80211_local *local = sdata->local;
>>> +	struct ieee80211_link_data *link_data;
>>> +
>>> +	if (WARN_ON(link_id > IEEE80211_MLD_MAX_NUM_LINKS))
> 
> let's try that again, shouldn't the test be > = ??
> 

Yes it should be. I will fix this in next version.

>>> +		return;
>>>   
>>>   	rcu_read_lock();
>>>   
>>> +	link_data = rcu_dereference(sdata->link[link_id]);
>>> +	if (WARN_ON(!link_data)) {
>>> +		rcu_read_unlock();
>>> +		return;
>>> +	}
>>> +
>>> +	/* TODO: MBSSID with MLO changes */
>>>   	if (vif->mbssid_tx_vif == vif) {
>>>   		/* Trigger ieee80211_csa_finish() on the non-transmitting
>>>   		 * interfaces when channel switch is received on
>>
>>
>