openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

wl18xx: add module parameter to disable TCP checksum 

Add a new module parameter to disable TCP checksum offload.

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
This commit is contained in:
Luciano Coelho 2012-05-10 12:13:53 +03:00
parent e9258815a8
commit 102165c6d2
1 changed files with 19 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/net/wireless/ti/wl18xx/main.c
View File

@ -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;
ret = wl18xx_acx_set_checksum_state(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);