Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6042a3e3 authored by Ron Rindjunsky's avatar Ron Rindjunsky Committed by John W. Linville
Browse files

mac80211: change number of pre-assoc scans 



This patch fixes noticed problem in noisy environments of 50+ APs
that scan fails to find the requested AP on first try, which
leads to connection refusal. second scan has empirically proven to fix
this problem in almost all cases.

Signed-off-by: default avatarRon Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: default avatarEsti Kummer <ester.kummer@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 008c4482

net/mac80211/ieee80211_i.h

+3 −1
Original line number Diff line number Diff line
@@ -361,7 +361,9 @@ struct ieee80211_if_sta { 


	struct sk_buff_head skb_queue;



	int auth_tries, assoc_tries;

	int assoc_scan_tries; /* number of scans done pre-association */

	int auth_tries; /* retries for auth req */

	int assoc_tries; /* retries for assoc req */



	unsigned long request;

net/mac80211/mlme.c

+7 −2
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ 
#include "led.h"

#include "mesh.h"



#define IEEE80211_ASSOC_SCANS_MAX_TRIES 2

#define IEEE80211_AUTH_TIMEOUT (HZ / 5)

#define IEEE80211_AUTH_MAX_TRIES 3

#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
@@ -596,6 +597,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, 
{

	if (deauth)

		ifsta->auth_tries = 0;

	ifsta->assoc_scan_tries = 0;

	ifsta->assoc_tries = 0;

	ieee80211_set_associated(sdata, ifsta, 0);

}
@@ -3405,7 +3407,9 @@ static void ieee80211_sta_reset_auth(struct ieee80211_sub_if_data *sdata, 
		ifsta->auth_alg = WLAN_AUTH_OPEN;

	ifsta->auth_transaction = -1;

	ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;

	ifsta->auth_tries = ifsta->assoc_tries = 0;

	ifsta->assoc_scan_tries = 0;

	ifsta->auth_tries = 0;

	ifsta->assoc_tries = 0;

	netif_carrier_off(sdata->dev);

}
@@ -3510,7 +3514,8 @@ static int ieee80211_sta_config_auth(struct ieee80211_sub_if_data *sdata, 
		ieee80211_sta_reset_auth(sdata, ifsta);

		return 0;

	} else {

		if (ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE) {

		if (ifsta->assoc_scan_tries < IEEE80211_ASSOC_SCANS_MAX_TRIES) {

			ifsta->assoc_scan_tries++;

			if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)

				ieee80211_sta_start_scan(sdata, NULL, 0);

			else