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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2024-09-01 07:17:51 +0300
committerJohannes Berg <johannes.berg@intel.com>2024-09-03 11:55:26 +0200
commit07fb53783be80ca14f08b07d83ed88727db48aac (patch)
tree1761ef4ee7b8fccc6967ca174e963b412b67c4f5 /drivers/net/wireless/intel/iwlwifi/mvm/link.c
parent1a7d2870f472db94d2dada643651f1e604c67bcf (diff)
wifi: iwlwifi: mvm: tell the firmware about CSA with mode=1
When we de-activate a link because it started a CSA with mode=1, we want to tell the firmware it can no longer transmit any frame for that link. The firmware will do that on its own if the CSA indication (beacon / action frame) was received on that same link, but with MLO, things got more complex and the firmware can't track cross link CSA. Tell the firmware if we de-activate a link because of CSA with mode=1 to prevent it from transmitting, even if it is only an NDP PM=1 frame that is part of the de-activation flow. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20240901071542.4bef89d438d4.If7147a7a84054e67c05414c753d73f4e2e0e6e37@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/link.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/link.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
index d151d935e12a..bc8d06127747 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c
@@ -234,10 +234,15 @@ int iwl_mvm_link_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
WARN_ON_ONCE(active == link_info->active);
/* When deactivating a link session protection should
- * be stopped
+ * be stopped. Also let the firmware know if we can't Tx.
*/
- if (!active && vif->type == NL80211_IFTYPE_STATION)
+ if (!active && vif->type == NL80211_IFTYPE_STATION) {
iwl_mvm_stop_session_protection(mvm, vif);
+ if (link_info->csa_block_tx) {
+ cmd.block_tx = 1;
+ link_info->csa_block_tx = false;
+ }
+ }
}
cmd.link_id = cpu_to_le32(link_info->fw_link_id);