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authorAditya Kumar Singh <quic_adisi@quicinc.com>2024-09-06 12:14:23 +0530
committerJohannes Berg <johannes.berg@intel.com>2024-09-06 13:01:05 +0200
commit81f67d60ebf290da068af96ad0c4a4e4faebdf1d (patch)
tree01dd686a374f1af25ab6a5a47c09fc02680deb54 /net/wireless/reg.c
parent62c16f219a73c237b5bef9bd160e32fbb38794f9 (diff)
wifi: cfg80211: handle DFS per link
Currently, during starting a radar detection, no link id information is parsed and passed down. In order to support starting radar detection during Multi Link Operation, it is required to pass link id as well. Add changes to first parse and then pass link id in the start radar detection path. Additionally, update notification APIs to allow drivers/mac80211 to pass the link ID. However, everything is handled at link 0 only until all API's are ready to handle it per link. Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com> Link: https://patch.msgid.link/20240906064426.2101315-6-quic_adisi@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/reg.c')
-rw-r--r--net/wireless/reg.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 898abc6d0609..6489ba943a63 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -4229,6 +4229,8 @@ EXPORT_SYMBOL(regulatory_pre_cac_allowed);
static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
{
struct wireless_dev *wdev;
+ unsigned int link_id;
+
/* If we finished CAC or received radar, we should end any
* CAC running on the same channels.
* the check !cfg80211_chandef_dfs_usable contain 2 options:
@@ -4241,16 +4243,17 @@ static void cfg80211_check_and_end_cac(struct cfg80211_registered_device *rdev)
list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
struct cfg80211_chan_def *chandef;
- if (!wdev->links[0].cac_started)
- continue;
+ for_each_valid_link(wdev, link_id) {
+ if (!wdev->links[link_id].cac_started)
+ continue;
- /* FIXME: radar detection is tied to link 0 for now */
- chandef = wdev_chandef(wdev, 0);
- if (!chandef)
- continue;
+ chandef = wdev_chandef(wdev, link_id);
+ if (!chandef)
+ continue;
- if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef))
- rdev_end_cac(rdev, wdev->netdev);
+ if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef))
+ rdev_end_cac(rdev, wdev->netdev, link_id);
+ }
}
}