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Commit 09aad14f authored by Arik Nemtsov's avatar Arik Nemtsov Committed by Luciano Coelho
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wl18xx: increase Rx descriptors for PG2 



New PG2 firmwares have additional Rx descriptors.

Add a module parameter to manually set the number of Rx descriptors for
older versions (PG1). We cannot discriminate based on chip-id, since
this value must be set on probe.

Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
parent 2f18cf7c

drivers/net/wireless/ti/wl18xx/main.c

+10 −1
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ static char *ht_mode_param = "wide"; 
static char *board_type_param = "hdk";

static bool checksum_param = false;

static bool enable_11a_param = true;

static int num_rx_desc_param = -1;



/* phy paramters */

static int dc2dc_param = -1;
@@ -1286,7 +1287,7 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) 
	wl->ptable = wl18xx_ptable;

	wl->rtable = wl18xx_rtable;

	wl->num_tx_desc = 32;

	wl->num_rx_desc = 16;

	wl->num_rx_desc = 32;

	wl->band_rate_to_idx = wl18xx_band_rate_to_idx;

	wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;

	wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
@@ -1294,6 +1295,9 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) 
	wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics);

	wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv);



	if (num_rx_desc_param != -1)

		wl->num_rx_desc = num_rx_desc_param;



	if (!strcmp(ht_mode_param, "wide")) {

		memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ],

		       &wl18xx_siso40_ht_cap,
@@ -1458,6 +1462,11 @@ module_param_named(pwr_limit_reference_11_abg, 
MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 "

		 "(default is 0xc8)");



module_param_named(num_rx_desc,

		   num_rx_desc_param, int, S_IRUSR);

MODULE_PARM_DESC(num_rx_desc_param,

		 "Number of Rx descriptors: u8 (default is 32)");



MODULE_LICENSE("GPL v2");

MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");

MODULE_FIRMWARE(WL18XX_FW_NAME);