Patchwork [1/2] wpa_supplicant: add new config params to be used with the ibss join command

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Submitter Antonio Quartulli
Date June 5, 2012, 6:05 p.m.
Message ID <1338919548-27278-2-git-send-email-ordex@autistici.org>
Download mbox | patch
Permalink /patch/163120/
State Changes Requested
Headers show

Comments

Antonio Quartulli - June 5, 2012, 6:05 p.m.
Signed-hostap: Antonio Quartulli <ordex@autistici.org>
---
 src/drivers/driver.h            |    6 +++
 wpa_supplicant/config.c         |   96 +++++++++++++++++++++++++++++++++++++++
 wpa_supplicant/config_ssid.h    |    6 +++
 wpa_supplicant/wpa_supplicant.c |   23 +++++++---
 4 files changed, 124 insertions(+), 7 deletions(-)

Patch

diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index f7fb2ef..dda2fbc 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -19,6 +19,7 @@ 
 
 #define WPA_SUPPLICANT_DRIVER_VERSION 4
 
+#include "drivers/nl80211_copy.h"
 #include "common/defs.h"
 
 #define HOSTAPD_CHAN_DISABLED 0x00000001
@@ -332,6 +333,11 @@  struct wpa_driver_associate_params {
 	 */
 	int freq;
 
+	int beacon_interval;
+	int fixed_freq;
+	unsigned char rates[NL80211_MAX_SUPP_RATES];
+	int mcast_rate;
+
 	/**
 	 * bg_scan_period - Background scan period in seconds, 0 to disable
 	 * background scan, or -1 to indicate no change to default driver
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index ce763b3..3d6c0e6 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -14,6 +14,7 @@ 
 #include "rsn_supp/wpa.h"
 #include "eap_peer/eap.h"
 #include "p2p/p2p.h"
+#include "drivers/nl80211_copy.h"
 #include "config.h"
 
 
@@ -1436,6 +1437,97 @@  static char * wpa_config_write_p2p_client_list(const struct parse_data *data,
 
 #endif /* CONFIG_P2P */
 
+static int wpa_config_parse_mcast_rate(const struct parse_data *data,
+				       struct wpa_ssid *ssid, int line,
+				       const char *value)
+{
+	ssid->mcast_rate = (int)(strtod(value, NULL) * 10);
+
+	return 0;
+}
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_mcast_rate(const struct parse_data *data,
+					  struct wpa_ssid *ssid)
+{
+	char *value;
+	int res;
+
+	if (!ssid->mcast_rate == 0)
+		return NULL;
+
+	value = os_malloc(6); /* longest: 300.0 */
+	if (value == NULL)
+		return NULL;
+	res = os_snprintf(value, 5, "%.1f", (double)ssid->mcast_rate / 10);
+	if (res < 0) {
+		os_free(value);
+		return NULL;
+	}
+	return value;
+}
+#endif /* NO_CONFIG_WRITE */
+
+static int wpa_config_parse_rates(const struct parse_data *data,
+				  struct wpa_ssid *ssid, int line,
+				  const char *value)
+{
+	int i;
+	char *pos, *r, *sptr, *end;
+	double rate;
+
+	pos = (char *)value;
+	r = strtok_r(pos, ",", &sptr);
+	i = 0;
+	while (pos && i < NL80211_MAX_SUPP_RATES) {
+		rate = 0.0;
+		if (r)
+			rate = strtod(r, &end);
+		ssid->rates[i] = rate * 2;
+		if (*end != '\0' || rate * 2 != ssid->rates[i])
+			return 1;
+
+		i++;
+		r = strtok_r(NULL, ",", &sptr);
+	}
+
+	return 0;
+}
+
+#ifndef NO_CONFIG_WRITE
+static char * wpa_config_write_rates(const struct parse_data *data,
+				     struct wpa_ssid *ssid)
+{
+	char *value, *pos;
+	int res, i;
+
+	if (ssid->rates[0] <= 0)
+		return NULL;
+
+	value = os_malloc(6 * NL80211_MAX_SUPP_RATES + 1);
+	if (value == NULL)
+		return NULL;
+	pos = value;
+	for (i = 0; i < NL80211_MAX_SUPP_RATES - 1; i++) {
+		res = os_snprintf(pos, 6, "%.1f,", (double)ssid->rates[i] / 2);
+		if (res < 0) {
+			os_free(value);
+			return NULL;
+		}
+		pos += res;
+	}
+	res = os_snprintf(pos, 6, "%.1f",
+			  (double)ssid->rates[NL80211_MAX_SUPP_RATES - 1] / 2);
+	if (res < 0) {
+		os_free(value);
+		return NULL;
+	}
+
+	value[6 * NL80211_MAX_SUPP_RATES] = '\0';
+	return value;
+}
+#endif /* NO_CONFIG_WRITE */
+
 /* Helper macros for network block parser */
 
 #ifdef OFFSET
@@ -1610,6 +1702,10 @@  static const struct parse_data ssid_fields[] = {
 	{ STR(ht_mcs) },
 #endif /* CONFIG_HT_OVERRIDES */
 	{ INT(ap_max_inactivity) },
+	{ INT_RANGE(fixed_freq, 0, 1) },
+	{ INT_RANGE(beacon_interval, 0, 1000) },
+	{ FUNC(rates) },
+	{ FUNC(mcast_rate) },
 };
 
 #undef OFFSET
diff --git a/wpa_supplicant/config_ssid.h b/wpa_supplicant/config_ssid.h
index 80d4382..8d152a4 100644
--- a/wpa_supplicant/config_ssid.h
+++ b/wpa_supplicant/config_ssid.h
@@ -11,6 +11,7 @@ 
 
 #include "common/defs.h"
 #include "eap_peer/eap_config.h"
+#include "drivers/nl80211_copy.h"
 
 #define MAX_SSID_LEN 32
 
@@ -499,6 +500,11 @@  struct wpa_ssid {
 	 * By default: 300 seconds.
 	 */
 	int ap_max_inactivity;
+
+	int fixed_freq;
+	int beacon_interval;
+	unsigned char rates[NL80211_MAX_SUPP_RATES];
+	double mcast_rate;
 };
 
 #endif /* CONFIG_SSID_H */
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 3cb954d..59efa16 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -1363,15 +1363,24 @@  void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
 		params.ssid_len = ssid->ssid_len;
 	}
 
-	if (ssid->mode == WPAS_MODE_IBSS && ssid->bssid_set &&
-	    wpa_s->conf->ap_scan == 2) {
-		params.bssid = ssid->bssid;
-		params.fixed_bssid = 1;
+	if (ssid->mode == WPAS_MODE_IBSS) {
+		if (ssid->bssid_set && wpa_s->conf->ap_scan == 2) {
+			params.bssid = ssid->bssid;
+			params.fixed_bssid = 1;
+		}
+		if (ssid->frequency > 0 && params.freq == 0)
+			/* Initial channel for IBSS */
+			params.freq = ssid->frequency;
+		params.fixed_freq = ssid->fixed_freq;
+		params.beacon_interval = ssid->beacon_interval;
+		i = 0;
+		while (i < NL80211_MAX_SUPP_RATES) {
+			params.rates[i] = ssid->rates[i];
+			i++;
+		}
+		params.mcast_rate = ssid->mcast_rate;
 	}
 
-	if (ssid->mode == WPAS_MODE_IBSS && ssid->frequency > 0 &&
-	    params.freq == 0)
-		params.freq = ssid->frequency; /* Initial channel for IBSS */
 	params.wpa_ie = wpa_ie;
 	params.wpa_ie_len = wpa_ie_len;
 	params.pairwise_suite = cipher_pairwise;