cfg80211: Set WEP ciphers

With iwconfig there is no way to properly set the ciphers when trying to
connect to a WEP SSID. Although mac80211 based drivers dont need it, several
fullmac drivers do.
This patch basically sets the WEP ciphers whenever they're not set at all.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 16 insertions, 2 deletions

diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 0b776b769c0f..340934f714b2 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -658,14 +658,28 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev,
 
         if (connkeys && connkeys->def >= 0) {
                 int idx;
+                u32 cipher;
 
                 idx = connkeys->def;
+                cipher = connkeys->params[idx].cipher;
                 /* If given a WEP key we may need it for shared key auth */
-                if (connkeys->params[idx].cipher == WLAN_CIPHER_SUITE_WEP40 ||
-                    connkeys->params[idx].cipher == WLAN_CIPHER_SUITE_WEP104) {
+                if (cipher == WLAN_CIPHER_SUITE_WEP40 ||
+                    cipher == WLAN_CIPHER_SUITE_WEP104) {
                         connect->key_idx = idx;
                         connect->key = connkeys->params[idx].key;
                         connect->key_len = connkeys->params[idx].key_len;
+
+                        /*
+                         * If ciphers are not set (e.g. when going through
+                         * iwconfig), we have to set them appropriately here.
+                         */
+                        if (connect->crypto.cipher_group == 0)
+                                connect->crypto.cipher_group = cipher;
+
+                        if (connect->crypto.n_ciphers_pairwise == 0) {
+                                connect->crypto.n_ciphers_pairwise = 1;
+                                connect->crypto.ciphers_pairwise[0] = cipher;
+                        }
                 }
         }