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Commit 80a88ecf authored by Karun Eagalapati's avatar Karun Eagalapati Committed by Kalle Valo
Browse files

rsi: RTS threshold configuration 



Provision is added for configuring RTS threshold by sending
vap dynamic update frame to firmware.

Signed-off-by: default avatarKarun Eagalapati <karun256@gmail.com>
Signed-off-by: default avatarAmitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 67c52a4d

drivers/net/wireless/rsi/rsi_91x_mac80211.c

+9 −0
Original line number Diff line number Diff line
@@ -497,6 +497,15 @@ static int rsi_mac80211_config(struct ieee80211_hw *hw, 
		spin_unlock_irqrestore(&adapter->ps_lock, flags);

	}



	/* RTS threshold */

	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {

		rsi_dbg(INFO_ZONE, "RTS threshold\n");

		if ((common->rts_threshold) <= IEEE80211_MAX_RTS_THRESHOLD) {

			rsi_dbg(INFO_ZONE,

				"%s: Sending vap updates....\n", __func__);

			status = rsi_send_vap_dynamic_update(common);

		}

	}

	mutex_unlock(&common->mutex);



	return status;

drivers/net/wireless/rsi/rsi_91x_mgmt.c

+31 −0
Original line number Diff line number Diff line
@@ -1058,6 +1058,37 @@ int rsi_send_radio_params_update(struct rsi_common *common) 
	return rsi_send_internal_mgmt_frame(common, skb);

}



/* This function programs the threshold. */

int rsi_send_vap_dynamic_update(struct rsi_common *common)

{

	struct sk_buff *skb;

	struct rsi_dynamic_s *dynamic_frame;



	rsi_dbg(MGMT_TX_ZONE,

		"%s: Sending vap update indication frame\n", __func__);



	skb = dev_alloc_skb(sizeof(struct rsi_dynamic_s));

	if (!skb)

		return -ENOMEM;



	memset(skb->data, 0, sizeof(struct rsi_dynamic_s));

	dynamic_frame = (struct rsi_dynamic_s *)skb->data;

	rsi_set_len_qno(&dynamic_frame->desc_dword0.len_qno,

			sizeof(dynamic_frame->frame_body), RSI_WIFI_MGMT_Q);



	dynamic_frame->desc_dword0.frame_type = VAP_DYNAMIC_UPDATE;

	dynamic_frame->desc_dword2.pkt_info =

					cpu_to_le32(common->rts_threshold);

	/* Beacon miss threshold */

	dynamic_frame->frame_body.keep_alive_period =

					cpu_to_le16(RSI_DEF_KEEPALIVE);

	dynamic_frame->desc_dword3.sta_id = 0; /* vap id */



	skb_put(skb, sizeof(struct rsi_dynamic_s));



	return rsi_send_internal_mgmt_frame(common, skb);

}



/**

 * rsi_compare() - This function is used to compare two integers

 * @a: pointer to the first integer

drivers/net/wireless/rsi/rsi_main.h

+1 −0
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...); 
#define IEEE80211_ADDR_LEN              6

#define FRAME_DESC_SZ                   16

#define MIN_802_11_HDR_LEN              24

#define RSI_DEF_KEEPALIVE               90



#define DATA_QUEUE_WATER_MARK           400

#define MIN_DATA_QUEUE_WATER_MARK       300

drivers/net/wireless/rsi/rsi_mgmt.h

+14 −0
Original line number Diff line number Diff line
@@ -239,6 +239,7 @@ enum cmd_frame_type { 
	CW_MODE_REQ,

	PER_CMD_PKT,

	ANT_SEL_FRAME = 0x20,

	VAP_DYNAMIC_UPDATE = 0x27,

	COMMON_DEV_CONFIG = 0x28,

	RADIO_PARAMS_UPDATE = 0x29

};
@@ -374,6 +375,18 @@ struct rsi_ant_sel_frame { 
	__le32 reserved2;

} __packed;



struct rsi_dynamic_s {

	struct rsi_cmd_desc_dword0 desc_dword0;

	struct rsi_cmd_desc_dword1 desc_dword1;

	struct rsi_cmd_desc_dword2 desc_dword2;

	struct rsi_cmd_desc_dword3 desc_dword3;

	struct framebody {

		__le16 data_rate;

		__le16 mgmt_rate;

		__le16 keep_alive_period;

	} frame_body;

} __packed;



/* Key descriptor flags */

#define RSI_KEY_TYPE_BROADCAST	BIT(1)

#define RSI_WEP_KEY		BIT(2)
@@ -585,6 +598,7 @@ int rsi_hal_load_key(struct rsi_common *common, u8 *data, u16 key_len, 
		     u8 key_type, u8 key_id, u32 cipher);

int rsi_set_channel(struct rsi_common *common,

		    struct ieee80211_channel *channel);

int rsi_send_vap_dynamic_update(struct rsi_common *common);

int rsi_send_block_unblock_frame(struct rsi_common *common, bool event);

void rsi_inform_bss_status(struct rsi_common *common, u8 status,

			   const u8 *bssid, u8 qos_enable, u16 aid);