Commit 80018499 authored by Ayala Beker's avatar Ayala Beker Committed by Johannes Berg
Browse files

wifi: iwlwifi: mvm: add support for TID to link mapping neg request 



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: default avatarAyala Beker <ayala.beker@intel.com>
Reviewed-by: default avatarJohannes Berg <johannes.berg@intel.com>
Reviewed-by: default avatarGregory Greenman <gregory.greenman@intel.com>
Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240129211905.aab9819c378d.Icf6b79a362763e2e8b85959471f303b586617242@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent c8d8f391

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c

+5 −0
Original line number Diff line number Diff line
@@ -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,

	},

};

drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c

+19 −0
Original line number Diff line number Diff line
@@ -1329,6 +1329,24 @@ 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,
@@ -1424,4 +1442,5 @@ 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,

};