diff options
| author | Juuso Oikarinen <juuso.oikarinen@nokia.com> | 2009-10-13 09:47:55 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-10-27 20:48:14 (GMT) |
| commit | 01c09162cd6170f3671825d6d5f2c1ae7b27cbf3 (patch) | |
| tree | 12bea7cdc8b4d1308651a81f66407a054b569e80 /drivers/net/wireless/wl12xx/wl1271_acx.c | |
| parent | 1fd2794f36913992798184c464fe8f85753b13e0 (diff) | |
| download | linux-fsl-qoriq-01c09162cd6170f3671825d6d5f2c1ae7b27cbf3.tar.xz | |
wl1271: Support for IPv4 ARP filtering
Add support for IPv4 ARP filtering in the driver. This will dramatically
reduce the number of unnecessary interrupts by the device in conqested
networks.
This patch is based on a similar patch to wl1251 by Janne Ylälehto.
Cc: Janne Ylälehto <janne.ylalehto@nokia.com>
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_acx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1271_acx.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c index 44a1237..e891cd5 100644 --- a/drivers/net/wireless/wl12xx/wl1271_acx.c +++ b/drivers/net/wireless/wl12xx/wl1271_acx.c @@ -1092,3 +1092,41 @@ out: kfree(acx); return ret; } + +int wl1271_acx_arp_ip_filter(struct wl1271 *wl, bool enable, u8 *address, + u8 version) +{ + struct wl1271_acx_arp_filter *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx arp ip filter, enable: %d", enable); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->version = version; + acx->enable = enable; + + if (enable == true) { + if (version == ACX_IPV4_VERSION) + memcpy(acx->address, address, ACX_IPV4_ADDR_SIZE); + else if (version == ACX_IPV6_VERSION) + memcpy(acx->address, address, sizeof(acx->address)); + else + wl1271_error("Invalid IP version"); + } + + ret = wl1271_cmd_configure(wl, ACX_ARP_IP_FILTER, + acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to set arp ip filter: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} |