Commit 55cbbf25 authored by Thiraviyam Mariyappan's avatar Thiraviyam Mariyappan Committed by Jeff Johnson
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wifi: ath12k: Enable AST index based address search in Station Mode 



Currently, TCL performs the TX address search for each entry during
transmission, which may lead to packet delays.

To mitigate this issue, enable AST index-based address search during
transmission in station mode. This AST index-based search is not
enabled in AP mode due to the complexity involved in fetching peer
information.

Implement changes to retrieve the offset of ast_idx/ast_hash values
from the PEER_MAP3 event, update the vdev search type to ADDRX, and
enable AST lookup in the bank configuration.

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 avatarThiraviyam Mariyappan <quic_tmariyap@quicinc.com>
Signed-off-by: default avatarNithyanantham Paramasivam <nithyanantham.paramasivam@oss.qualcomm.com>
Reviewed-by: default avatarMahendran P <quic_mahep@quicinc.com>
Link: https://patch.msgid.link/20250422094255.131226-1-nithyanantham.paramasivam@oss.qualcomm.com


Signed-off-by: default avatarJeff Johnson <jeff.johnson@oss.qualcomm.com>
parent 6c262794

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

+5 −5
Original line number Diff line number Diff line
@@ -361,6 +361,9 @@ u32 ath12k_dp_tx_get_vdev_bank_config(struct ath12k_base *ab, 
			u32_encode_bits(0, HAL_TX_BANK_CONFIG_EPD);



	/* only valid if idx_lookup_override is not set in tcl_data_cmd */

	if (ahvif->vdev_type == WMI_VDEV_TYPE_STA)

		bank_config |= u32_encode_bits(1, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);

	else

		bank_config |= u32_encode_bits(0, HAL_TX_BANK_CONFIG_INDEX_LOOKUP_EN);



	bank_config |= u32_encode_bits(arvif->hal_addr_search_flags & HAL_TX_ADDRX_EN,
@@ -1105,11 +1108,8 @@ static void ath12k_dp_update_vdev_search(struct ath12k_link_vif *arvif) 
{

	switch (arvif->ahvif->vdev_type) {

	case WMI_VDEV_TYPE_STA:

		/* TODO: Verify the search type and flags since ast hash

		 * is not part of peer mapv3

		 */

		arvif->hal_addr_search_flags = HAL_TX_ADDRY_EN;

		arvif->search_type = HAL_TX_ADDR_SEARCH_DEFAULT;

		arvif->search_type = HAL_TX_ADDR_SEARCH_INDEX;

		break;

	case WMI_VDEV_TYPE_AP:

	case WMI_VDEV_TYPE_IBSS:

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

+2 −0
Original line number Diff line number Diff line
@@ -1353,6 +1353,8 @@ struct htt_t2h_version_conf_msg { 
#define HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16	GENMASK(15, 0)

#define HTT_T2H_PEER_MAP_INFO1_HW_PEER_ID	GENMASK(31, 16)

#define HTT_T2H_PEER_MAP_INFO2_AST_HASH_VAL	GENMASK(15, 0)

#define HTT_T2H_PEER_MAP3_INFO2_HW_PEER_ID	GENMASK(15, 0)

#define HTT_T2H_PEER_MAP3_INFO2_AST_HASH_VAL	GENMASK(31, 16)

#define HTT_T2H_PEER_MAP_INFO2_NEXT_HOP_M	BIT(16)

#define HTT_T2H_PEER_MAP_INFO2_NEXT_HOP_S	16

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

+5 −1
Original line number Diff line number Diff line
@@ -1840,8 +1840,12 @@ void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab, 
					     HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);

		ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),

				       peer_mac_h16, mac_addr);

		ast_hash = le32_get_bits(resp->peer_map_ev.info2,

					 HTT_T2H_PEER_MAP3_INFO2_AST_HASH_VAL);

		hw_peer_id = le32_get_bits(resp->peer_map_ev.info2,

					   HTT_T2H_PEER_MAP3_INFO2_HW_PEER_ID);

		ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,

				      peer_id);

				      hw_peer_id);

		break;

	case HTT_T2H_MSG_TYPE_PEER_UNMAP:

	case HTT_T2H_MSG_TYPE_PEER_UNMAP2: