Commit a73dbce3 authored by Alagu Sankar's avatar Alagu Sankar Committed by Kalle Valo
Browse files

ath10k: reduce transmit msdu count 



Reduce the transmit MSDU count for SDIO, to match with the descriptors
as used by the firmware. This also acts as a high watermark level for
transmit. Too many packets to the firmware results in transmit overflow
interrupt.

It only affect SDIO chip, it will not cause functionaly changes to
other hardware.

Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00005-QCARMSWP-1.

Signed-off-by: default avatarAlagu Sankar <alagusankar@silex-india.com>
Signed-off-by: default avatarWen Gong <wgong@codeaurora.org>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 0b38b4b4

drivers/net/wireless/ath/ath10k/core.c

+5 −1
Original line number Diff line number Diff line
@@ -2309,6 +2309,10 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) 
		ar->max_num_stations = TARGET_TLV_NUM_STATIONS;

		ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;

		ar->max_num_tdls_vdevs = TARGET_TLV_NUM_TDLS_VDEVS;

		if (ar->hif.bus == ATH10K_BUS_SDIO)

			ar->htt.max_num_pending_tx =

				TARGET_TLV_NUM_MSDU_DESC_HL;

		else

			ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;

		ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS;

		ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV |

drivers/net/wireless/ath/ath10k/hw.h

+1 −0
Original line number Diff line number Diff line
@@ -736,6 +736,7 @@ ath10k_rx_desc_msdu_limit_error(struct ath10k_hw_params *hw, 
#define TARGET_TLV_NUM_TDLS_VDEVS		1

#define TARGET_TLV_NUM_TIDS			((TARGET_TLV_NUM_PEERS) * 2)

#define TARGET_TLV_NUM_MSDU_DESC		(1024 + 32)

#define TARGET_TLV_NUM_MSDU_DESC_HL		64

#define TARGET_TLV_NUM_WOW_PATTERNS		22

#define TARGET_TLV_MGMT_NUM_MSDU_DESC		(50)

drivers/net/wireless/ath/ath10k/wmi-tlv.c

+1 −1
Original line number Diff line number Diff line
@@ -1673,7 +1673,7 @@ static struct sk_buff *ath10k_wmi_tlv_op_gen_init(struct ath10k *ar) 
	cfg->rx_skip_defrag_timeout_dup_detection_check = __cpu_to_le32(0);

	cfg->vow_config = __cpu_to_le32(0);

	cfg->gtk_offload_max_vdev = __cpu_to_le32(2);

	cfg->num_msdu_desc = __cpu_to_le32(TARGET_TLV_NUM_MSDU_DESC);

	cfg->num_msdu_desc = __cpu_to_le32(ar->htt.max_num_pending_tx);

	cfg->max_frag_entries = __cpu_to_le32(2);

	cfg->num_tdls_vdevs = __cpu_to_le32(TARGET_TLV_NUM_TDLS_VDEVS);

	cfg->num_tdls_conn_table_entries = __cpu_to_le32(0x20);

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