From: Wen Gong <quic_wgong@quicinc.com>
To: Luciano Coelho <luciano.coelho@intel.com>,
<linux-wireless@vger.kernel.org>
Cc: <johannes@sipsolutions.net>, <michal.kazior@tieto.com>,
<sw@simonwunderlich.de>, <andrei.otcheretianski@intel.com>,
<eliad@wizery.com>, <ath11k@lists.infradead.org>
Subject: Re: [PATCH v10 3/5] cfg80211/mac80211: move interface counting for combination check to mac80211
Date: Mon, 9 Jan 2023 17:39:49 +0800 [thread overview]
Message-ID: <4de1f964-b623-2b31-c044-60cc188fc134@quicinc.com> (raw)
In-Reply-To: <1394547394-3910-4-git-send-email-luciano.coelho@intel.com>
On 3/11/2014 10:16 PM, Luciano Coelho wrote:
> ...
> +int ieee80211_check_combinations(struct ieee80211_sub_if_data *sdata,
> + const struct cfg80211_chan_def *chandef,
> + enum ieee80211_chanctx_mode chanmode,
> + u8 radar_detect)
> +{
> + struct ieee80211_local *local = sdata->local;
> + struct ieee80211_sub_if_data *sdata_iter;
> + enum nl80211_iftype iftype = sdata->wdev.iftype;
> + int num[NUM_NL80211_IFTYPES];
> + struct ieee80211_chanctx *ctx;
> + int num_different_channels = 1;
> + int total = 1;
> +
> + lockdep_assert_held(&local->chanctx_mtx);
> +
> + if (WARN_ON(hweight32(radar_detect) > 1))
> + return -EINVAL;
> +
> + if (WARN_ON(chanmode == IEEE80211_CHANCTX_SHARED && !chandef->chan))
> + return -EINVAL;
> +
> + if (WARN_ON(iftype >= NUM_NL80211_IFTYPES))
> + return -EINVAL;
> +
> + /* Always allow software iftypes */
> + if (local->hw.wiphy->software_iftypes & BIT(iftype)) {
> + if (radar_detect)
> + return -EINVAL;
> + return 0;
> + }
> +
> + memset(num, 0, sizeof(num));
> +
> + if (iftype != NL80211_IFTYPE_UNSPECIFIED)
> + num[iftype] = 1;
> +
> + list_for_each_entry(ctx, &local->chanctx_list, list) {
> + if (ctx->conf.radar_enabled)
> + radar_detect |= BIT(ctx->conf.def.width);
> + if (ctx->mode == IEEE80211_CHANCTX_EXCLUSIVE) {
> + num_different_channels++;
> + continue;
> + }
> + if ((chanmode == IEEE80211_CHANCTX_SHARED) &&
> + cfg80211_chandef_compatible(chandef,
> + &ctx->conf.def))
> + continue;
> + num_different_channels++;
> + }
> +
> + list_for_each_entry_rcu(sdata_iter, &local->interfaces, list) {
> + struct wireless_dev *wdev_iter;
> +
> + wdev_iter = &sdata_iter->wdev;
> +
> + if (sdata_iter == sdata ||
> + rcu_access_pointer(sdata_iter->vif.chanctx_conf) == NULL ||
> + local->hw.wiphy->software_iftypes & BIT(wdev_iter->iftype))
> + continue;
> +
> + num[wdev_iter->iftype]++;
> + total++;
> + }
> +
> + if (total == 1 && !radar_detect)
> + return 0;
> +
should also check with cfg80211_check_combinations() when total == 1 and
num_different_channels > 1 ?
When MLO is enabled, it could have 2 channels for one ieee80211_sub_if_data.
> + return cfg80211_check_combinations(local->hw.wiphy,
> + num_different_channels,
> + radar_detect, num);
> +}
> ...
--
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next parent reply other threads:[~2023-01-09 9:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1394547394-3910-1-git-send-email-luciano.coelho@intel.com>
[not found] ` <1394547394-3910-4-git-send-email-luciano.coelho@intel.com>
2023-01-09 9:39 ` Wen Gong [this message]
2023-01-09 10:05 ` [PATCH v10 3/5] cfg80211/mac80211: move interface counting for combination check to mac80211 Johannes Berg
2023-01-10 7:23 ` Wen Gong
2023-02-14 14:41 ` Johannes Berg
2023-02-15 1:56 ` Wen Gong
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