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Commit 102165c6 authored by Luciano Coelho's avatar Luciano Coelho
Browse files

wl18xx: add module parameter to disable TCP checksum 



Add a new module parameter to disable TCP checksum offload.

Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
parent e9258815

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

+19 −3
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@ static char *board_type_param; 
static bool dc2dc_param = false;

static int n_antennas_2_param = 1;

static int n_antennas_5_param = 1;

static bool checksum_param = true;



static const u8 wl18xx_rate_to_idx_2ghz[] = {

	/* MCS rates are used only with 11n */
@@ -865,9 +866,11 @@ static int wl18xx_hw_init(struct wl1271 *wl) 
	if (ret < 0)

		return ret;



	if (checksum_param) {

		ret = wl18xx_acx_set_checksum_state(wl);

		if (ret != 0)

			return ret;

	}



	return ret;

}
@@ -879,6 +882,11 @@ static void wl18xx_set_tx_desc_csum(struct wl1271 *wl, 
	u32 ip_hdr_offset;

	struct iphdr *ip_hdr;



	if (!checksum_param) {

		desc->wl18xx_checksum_data = 0;

		return;

	}



	if (skb->ip_summed != CHECKSUM_PARTIAL) {

		desc->wl18xx_checksum_data = 0;

		return;
@@ -1065,6 +1073,11 @@ int __devinit wl18xx_probe(struct platform_device *pdev) 
		return -EINVAL;

	}



	if (!checksum_param) {

		wl18xx_ops.set_rx_csum = NULL;

		wl18xx_ops.init_vif = NULL;

	}



	wl18xx_conf_init(wl);



	return wlcore_probe(wl, pdev);
@@ -1114,6 +1127,9 @@ MODULE_PARM_DESC(n_antennas_2, "Number of installed 2.4GHz antennas: 1 (default) 
module_param_named(n_antennas_5, n_antennas_5_param, uint, S_IRUSR);

MODULE_PARM_DESC(n_antennas_5, "Number of installed 5GHz antennas: 1 (default) or 2");



module_param_named(checksum, checksum_param, bool, S_IRUSR);

MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to true)");



MODULE_LICENSE("GPL v2");

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

MODULE_FIRMWARE(WL18XX_FW_NAME);