Commit ea419255 authored by Sriram R's avatar Sriram R Committed by Kalle Valo
Browse files

wifi: ath12k: add primary link for data path operations 



In case of Multi-link operation, data path peer setup and tid setup should be
done only for primary link of multi-link station. Add changes to introduce
primary link is peer. Currently, association link will be considered as primary
link.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3

Signed-off-by: default avatarSriram R <quic_srirrama@quicinc.com>
Signed-off-by: default avatarHarshitha Prem <quic_hprem@quicinc.com>
Signed-off-by: default avatarKalle Valo <quic_kvalo@quicinc.com>
Link: https://patch.msgid.link/20241121155806.1862733-4-kvalo@kernel.org
parent a27fa614

drivers/net/wireless/ath/ath12k/dp.c

+5 −0
Original line number Diff line number Diff line
@@ -41,6 +41,11 @@ void ath12k_dp_peer_cleanup(struct ath12k *ar, int vdev_id, const u8 *addr) 
		return;

	}



	if (!peer->primary_link) {

		spin_unlock_bh(&ab->base_lock);

		return;

	}



	ath12k_dp_rx_peer_tid_cleanup(ar, peer);

	crypto_free_shash(peer->tfm_mmic);

	peer->dp_setup_done = false;

drivers/net/wireless/ath/ath12k/dp_rx.c

+10 −0
Original line number Diff line number Diff line
@@ -940,6 +940,11 @@ int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_ 
		return -ENOENT;

	}



	if (!peer->primary_link) {

		spin_unlock_bh(&ab->base_lock);

		return 0;

	}



	if (ab->hw_params->reoq_lut_support && !dp->reoq_lut.vaddr) {

		spin_unlock_bh(&ab->base_lock);

		ath12k_warn(ab, "reo qref table is not setup\n");
@@ -2781,6 +2786,11 @@ int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev 
		return -ENOENT;

	}



	if (!peer->primary_link) {

		spin_unlock_bh(&ab->base_lock);

		return 0;

	}



	for (i = 0; i <= IEEE80211_NUM_TIDS; i++) {

		rx_tid = &peer->rx_tid[i];

		rx_tid->ab = ab;

drivers/net/wireless/ath/ath12k/peer.c

+23 −0
Original line number Diff line number Diff line
@@ -313,7 +313,11 @@ int ath12k_peer_create(struct ath12k *ar, struct ath12k_link_vif *arvif, 
		       struct ath12k_wmi_peer_create_arg *arg)

{

	struct ieee80211_vif *vif = ath12k_ahvif_to_vif(arvif->ahvif);

	struct ath12k_link_sta *arsta;

	u8 link_id = arvif->link_id;

	struct ath12k_peer *peer;

	struct ath12k_sta *ahsta;

	u16 ml_peer_id;

	int ret;



	lockdep_assert_wiphy(ath12k_ar_to_hw(ar)->wiphy);
@@ -379,6 +383,25 @@ int ath12k_peer_create(struct ath12k *ar, struct ath12k_link_vif *arvif, 
		arvif->ast_idx = peer->hw_peer_id;

	}



	if (sta) {

		ahsta = ath12k_sta_to_ahsta(sta);

		arsta = wiphy_dereference(ath12k_ar_to_hw(ar)->wiphy,

					  ahsta->link[link_id]);



		/* Fill ML info into created peer */

		if (sta->mlo) {

			ml_peer_id = ahsta->ml_peer_id;

			peer->ml_id = ml_peer_id | ATH12K_PEER_ML_ID_VALID;

			ether_addr_copy(peer->ml_addr, sta->addr);



			/* the assoc link is considered primary for now */

			peer->primary_link = arsta->is_assoc_link;

		} else {

			peer->ml_id = ATH12K_MLO_PEER_ID_INVALID;

			peer->primary_link = true;

		}

	}



	peer->sec_type = HAL_ENCRYPT_TYPE_OPEN;

	peer->sec_type_grp = HAL_ENCRYPT_TYPE_OPEN;

drivers/net/wireless/ath/ath12k/peer.h

+8 −0
Original line number Diff line number Diff line
@@ -51,6 +51,14 @@ struct ath12k_peer { 
	bool dp_setup_done;



	u16 ml_id;



	/* any other ML info common for all partners can be added

	 * here and would be same for all partner peers.

	 */

	u8 ml_addr[ETH_ALEN];



	/* To ensure only certain work related to dp is done once */

	bool primary_link;

};



struct ath12k_ml_peer {