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Commit f3129b73 authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

iwlagn: use low retry limit for WoWLAN 



When in D3 state, use low retry limit for both data and rts

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 281e27c8

drivers/net/wireless/iwlwifi/iwl-agn-hw.h

+1 −0
Original line number Diff line number Diff line
@@ -85,6 +85,7 @@ 
#define IWLAGN_MGMT_DFAULT_RETRY_LIMIT		3

#define IWLAGN_RTS_DFAULT_RETRY_LIMIT		60

#define IWLAGN_BAR_DFAULT_RETRY_LIMIT		60

#define IWLAGN_LOW_RETRY_LIMIT			7



/* Limit range of txpower output target to be between these values */

#define IWLAGN_TX_POWER_TARGET_POWER_MIN	(0)	/* 0 dBm: 1 milliwatt */

drivers/net/wireless/iwlwifi/iwl-agn-tx.c

+17 −11
Original line number Diff line number Diff line
@@ -124,17 +124,23 @@ static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv, 
	u8 data_retry_limit;

	u8 rate_plcp;



	if (priv->shrd->wowlan) {

		rts_retry_limit = IWLAGN_LOW_RETRY_LIMIT;

		data_retry_limit = IWLAGN_LOW_RETRY_LIMIT;

	} else {

		/* Set retry limit on RTS packets */

		rts_retry_limit = IWLAGN_RTS_DFAULT_RETRY_LIMIT;



		/* Set retry limit on DATA packets and Probe Responses*/

		if (ieee80211_is_probe_resp(fc)) {

			data_retry_limit = IWLAGN_MGMT_DFAULT_RETRY_LIMIT;

		rts_retry_limit = min(data_retry_limit, rts_retry_limit);

			rts_retry_limit =

				min(data_retry_limit, rts_retry_limit);

		} else if (ieee80211_is_back_req(fc))

			data_retry_limit = IWLAGN_BAR_DFAULT_RETRY_LIMIT;

		else

			data_retry_limit = IWLAGN_DEFAULT_TX_RETRY;

	}



	tx_cmd->data_retry_limit = data_retry_limit;

	tx_cmd->rts_retry_limit = rts_retry_limit;