diff mbox series

[02/15] wifi: iwlwifi: mvm: add support for TID to link mapping neg request

Message ID 20240129211905.aab9819c378d.Icf6b79a362763e2e8b85959471f303b586617242@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: iwlwifi: updates - 2024-01-29 | expand

Commit Message

Korenblit, Miriam Rachel Jan. 29, 2024, 7:21 p.m. UTC 
From: Ayala Beker <ayala.beker@intel.com>

Add support for handling TID to link mapping negotiation
request and decide whether to accept it or not.
Accept the request if all TIDs are mapped to the same link set,
otherwise reject it.

Signed-off-by: Ayala Beker <ayala.beker@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
---
 .../net/wireless/intel/iwlwifi/mvm/mac80211.c |  5 +++++
 .../wireless/intel/iwlwifi/mvm/mld-mac80211.c | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index c82af4ac27ec..d19e478f382b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -263,6 +263,9 @@  static const u8 tm_if_types_ext_capa_sta[] = {
 					__bf_shf(IEEE80211_EML_CAP_EMLSR_PADDING_DELAY) | \
 				 IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US << \
 					__bf_shf(IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY))
+#define IWL_MVM_MLD_CAPA_OPS FIELD_PREP_CONST( \
+			IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP, \
+			IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME)
 
 static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
 	{
@@ -272,6 +275,7 @@  static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
 		.extended_capabilities_len = sizeof(he_if_types_ext_capa_sta),
 		/* relevant only if EHT is supported */
 		.eml_capabilities = IWL_MVM_EMLSR_CAPA,
+		.mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS,
 	},
 	{
 		.iftype = NL80211_IFTYPE_STATION,
@@ -280,6 +284,7 @@  static const struct wiphy_iftype_ext_capab add_iftypes_ext_capa[] = {
 		.extended_capabilities_len = sizeof(tm_if_types_ext_capa_sta),
 		/* relevant only if EHT is supported */
 		.eml_capabilities = IWL_MVM_EMLSR_CAPA,
+		.mld_capa_and_ops = IWL_MVM_MLD_CAPA_OPS,
 	},
 };
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
index 770e4c4e909a..9653d335d573 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
@@ -1330,6 +1330,24 @@  static bool iwl_mvm_mld_can_activate_links(struct ieee80211_hw *hw,
 	return ret;
 }
 
+static enum ieee80211_neg_ttlm_res
+iwl_mvm_mld_can_neg_ttlm(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			 struct ieee80211_neg_ttlm *neg_ttlm)
+{
+	u16 map;
+	u8 i;
+
+	/* Verify all TIDs are mapped to the same links set */
+	map = neg_ttlm->downlink[0];
+	for (i = 0; i < IEEE80211_TTLM_NUM_TIDS; i++) {
+		if (neg_ttlm->downlink[i] != neg_ttlm->uplink[i] ||
+		    neg_ttlm->uplink[i] != map)
+			return NEG_TTLM_RES_REJECT;
+	}
+
+	return NEG_TTLM_RES_ACCEPT;
+}
+
 const struct ieee80211_ops iwl_mvm_mld_hw_ops = {
 	.tx = iwl_mvm_mac_tx,
 	.wake_tx_queue = iwl_mvm_mac_wake_tx_queue,
@@ -1425,4 +1443,5 @@  const struct ieee80211_ops iwl_mvm_mld_hw_ops = {
 	.change_vif_links = iwl_mvm_mld_change_vif_links,
 	.change_sta_links = iwl_mvm_mld_change_sta_links,
 	.can_activate_links = iwl_mvm_mld_can_activate_links,
+	.can_neg_ttlm = iwl_mvm_mld_can_neg_ttlm,
 };