3 files changed, 26 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/Makefile b/drivers/net/wireless/bcmdhd/Makefile
index eda803e3ca79..0e9ca24013a6 100644
--- a/drivers/net/wireless/bcmdhd/Makefile
+++ b/drivers/net/wireless/bcmdhd/Makefile
@@ -25,6 +25,8 @@ endif
 ifneq ($(CONFIG_CFG80211),)
 bcmdhd-objs += wl_cfg80211.o wl_cfgp2p.o wl_linux_mon.o
 DHDCFLAGS += -DWL_CFG80211
+DHDCFLAGS += -DCUSTOM_ROAM_TRIGGER_SETTING=-70
+DHDCFLAGS += -DCUSTOM_ROAM_DELTA_SETTING=15
 endif
 ifneq ($(CONFIG_DHD_USE_SCHED_SCAN),)
 DHDCFLAGS += -DWL_SCHED_SCAN
diff --git a/drivers/net/wireless/bcmdhd/dhd.h b/drivers/net/wireless/bcmdhd/dhd.h
index 6106555f1314..34616d38b861 100644
--- a/drivers/net/wireless/bcmdhd/dhd.h
+++ b/drivers/net/wireless/bcmdhd/dhd.h
@@ -608,6 +608,20 @@ extern uint dhd_pktgen_len;
 #endif
 
 
+/* hooks for custom Roaming Trigger  setting via Makefile */
+#define DEFAULT_ROAM_TRIGGER_VALUE -75 /* dBm default roam trigger all band */
+#define DEFAULT_ROAM_TRIGGER_SETTING 	-1
+#ifndef CUSTOM_ROAM_TRIGGER_SETTING
+#define CUSTOM_ROAM_TRIGGER_SETTING 	DEFAULT_ROAM_TRIGGER_VALUE
+#endif
+
+/* hooks for custom Roaming Romaing  setting via Makefile */
+#define DEFAULT_ROAM_DELTA_VALUE  10 /* dBm default roam delta all band */
+#define DEFAULT_ROAM_DELTA_SETTING 	-1
+#ifndef CUSTOM_ROAM_DELTA_SETTING
+#define CUSTOM_ROAM_DELTA_SETTING 	DEFAULT_ROAM_DELTA_VALUE
+#endif
+
 /* optionally set by a module_param_string() */
 #define MOD_PARAM_PATHLEN	2048
 extern char fw_path[MOD_PARAM_PATHLEN];
diff --git a/drivers/net/wireless/bcmdhd/dhd_linux.c b/drivers/net/wireless/bcmdhd/dhd_linux.c
index f4ae2a30c3c8..a189d6383246 100644
--- a/drivers/net/wireless/bcmdhd/dhd_linux.c
+++ b/drivers/net/wireless/bcmdhd/dhd_linux.c
@@ -2990,6 +2990,8 @@ dhd_preinit_ioctls(dhd_pub_t *dhd)
 	char *ptr;
 	uint32 listen_interval = LISTEN_INTERVAL; /* Default Listen Interval in Beacons */
 	uint16 chipID;
+	int roam_trigger[2] = {CUSTOM_ROAM_TRIGGER_SETTING, WLC_BAND_ALL};
+	int roam_delta[2] = {CUSTOM_ROAM_DELTA_SETTING, WLC_BAND_ALL};
 #if defined(SOFTAP)
 	uint dtim = 1;
 #endif
@@ -3157,6 +3159,14 @@ dhd_preinit_ioctls(dhd_pub_t *dhd)
 	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_VAR, iovbuf, sizeof(iovbuf), TRUE, 0)) < 0)
 		DHD_ERROR(("%s assoc_listen failed %d\n", __FUNCTION__, ret));
 
+	/* custom romaing setting */
+	if ((ret = dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_TRIGGER, roam_trigger,
+		sizeof(roam_trigger), TRUE, 0)) < 0)
+		DHD_ERROR(("%s: roam trigger set failed %d\n", __FUNCTION__, ret));
+	if ((dhd_wl_ioctl_cmd(dhd, WLC_SET_ROAM_DELTA, roam_delta,
+		sizeof(roam_delta), TRUE, 0)) < 0)
+		DHD_ERROR(("%s: roam delta set failed %d\n", __FUNCTION__, ret));
+
 	/* Set PowerSave mode */
 	dhd_wl_ioctl_cmd(dhd, WLC_SET_PM, (char *)&power_mode, sizeof(power_mode), TRUE, 0);