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authorLuciano Coelho <coelho@ti.com>2012-02-25 00:35:28 +0200
committerArik Nemtsov <arik@wizery.com>2012-08-02 13:04:00 +0300
commit3aa26e2f047e4bbbd669d4550d50f2ece76b65b1 (patch)
treee48076ab77a61d60a0f55bfe08fe32c6f4e54c29 /src
parentec19d050266d8aba9c19ea09dd9661b2d7de2bd0 (diff)
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nl80211_driver: add private commands to use dropbcast
Add DRIVER DROPBCAST {GET,ENABLE,DISABLE} commands to show the current setting, enable and disable the feature of dropping all broadcast packets while in suspend mode. Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'src')
-rw-r--r--src/drivers/driver_nl80211.c78
1 files changed, 76 insertions, 2 deletions
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 5c197f5..a36abfe 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -9181,6 +9181,62 @@ static int nl80211_parse_wowlan_trigger_nr(char *s)
return i;
}
+static int nl80211_toggle_dropbcast(int enable)
+{
+ char filename[90];
+ int rv;
+ FILE *f;
+
+ snprintf(filename, sizeof(filename) - 1,
+ "/sys/bus/platform/devices/wl12xx/drop_bcast");
+ f = fopen(filename, "w");
+ if (!f) {
+ wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
+ filename, strerror(errno));
+ return -1;
+ }
+
+ rv = fprintf(f, "%d", enable);
+ fclose(f);
+ if (rv < 1) {
+ wpa_printf(MSG_DEBUG, "Could not write to file %s: %s",
+ filename, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+
+static int nl80211_dropbcast_get(char *buf, size_t buf_len)
+{
+ char filename[90], value[10], *pos;
+ int f, rv;
+
+ snprintf(filename, sizeof(filename) - 1,
+ "/sys/bus/platform/devices/wl12xx/drop_bcast");
+ f = open(filename, O_RDONLY);
+ if (f < 0) {
+ wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
+ filename, strerror(errno));
+ return -1;
+ }
+
+ rv = read(f, value, sizeof(value) - 1);
+ close(f);
+ if (rv < 0) {
+ wpa_printf(MSG_DEBUG, "Could not read file %s: %s",
+ filename, strerror(errno));
+ return -1;
+ }
+
+ value[rv] = '\0';
+ pos = os_strchr(value, '\n');
+ if (pos)
+ *pos = '\0';
+
+ return snprintf(buf, buf_len, "Drop bcast = %s\n", value);
+}
+
#endif /* ANDROID */
static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
@@ -9683,10 +9739,28 @@ static int wpa_driver_nl80211_driver_cmd(void *priv, char *cmd, char *buf,
if(i < 0)
return i;
return nl80211_toggle_wowlan_trigger(bss, i, 0);
- } else if( os_strcasecmp(cmd, "RXFILTER-START") == 0 ) {
+ } else if (os_strcasecmp(cmd, "RXFILTER-START") == 0) {
return nl80211_set_wowlan_triggers(bss, 1);
- } else if( os_strcasecmp(cmd, "RXFILTER-STOP") == 0 ) {
+ } else if (os_strcasecmp(cmd, "RXFILTER-STOP") == 0) {
return nl80211_set_wowlan_triggers(bss, 0);
+ } else if (os_strncasecmp(cmd, "DROPBCAST", 9) == 0) {
+ char *value = cmd + 10;
+
+ if (!os_strcasecmp(value, "ENABLE") ||
+ !os_strcasecmp(value, "1")) {
+ ret = nl80211_toggle_dropbcast(1);
+ } else if (!os_strcasecmp(value, "DISABLE") ||
+ !os_strcasecmp(value, "0")) {
+ ret = nl80211_toggle_dropbcast(0);
+ } else if (!os_strcasecmp(value, "GET") ||
+ !os_strlen(value)) {
+ ret = nl80211_dropbcast_get(buf, buf_len);
+ } else {
+ wpa_printf(MSG_ERROR,
+ "Invalid parameter for DROPBCAST: %s",
+ value);
+ ret = -1;
+ }
} else if( os_strcasecmp(cmd, "LINKSPEED") == 0 ) {
struct wpa_signal_info sig;
int linkspeed;