[PATCH] libertas: remove structure WLAN_802_11_SSID and libertas_escape_essid
Dan Williams [Tue, 29 May 2007 03:54:55 +0000 (23:54 -0400)]
Replace WLAN_802_11_SSID with direct 'ssid' and 'ssid_len' members
like ieee80211.  In the process, remove private libertas_escape_essid
and depend on the ieee80211 implementation of escape_essid instead.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/Kconfig
drivers/net/wireless/libertas/assoc.c
drivers/net/wireless/libertas/cmdresp.c
drivers/net/wireless/libertas/debugfs.c
drivers/net/wireless/libertas/dev.h
drivers/net/wireless/libertas/hostcmd.h
drivers/net/wireless/libertas/join.c
drivers/net/wireless/libertas/join.h
drivers/net/wireless/libertas/scan.c
drivers/net/wireless/libertas/scan.h
drivers/net/wireless/libertas/wext.c

index 89514f3..fa2399c 100644 (file)
@@ -269,6 +269,7 @@ config IPW2200_DEBUG
 config LIBERTAS
        tristate "Marvell 8xxx Libertas WLAN driver support"
        depends on WLAN_80211
+       select IEEE80211
        select FW_LOADER
        ---help---
          A library for Marvell Libertas 8xxx devices.
index bf804d3..c2029b3 100644 (file)
 static const u8 bssid_any[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 static const u8 bssid_off[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
-/* From ieee80211_module.c */
-static const char *libertas_escape_essid(const char *essid, u8 essid_len)
-{
-       static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
-       const char *s = essid;
-       char *d = escaped;
-
-       if (ieee80211_is_empty_essid(essid, essid_len))
-               return "";
-
-       essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
-       while (essid_len--) {
-               if (*s == '\0') {
-                       *d++ = '\\';
-                       *d++ = '0';
-                       s++;
-               } else {
-                       *d++ = *s++;
-               }
-       }
-       *d = '\0';
-       return escaped;
-}
-
 static void print_assoc_req(const char * extra, struct assoc_request * assoc_req)
 {
        lbs_deb_assoc(
@@ -51,7 +27,7 @@ static void print_assoc_req(const char * extra, struct assoc_request * assoc_req
               "       Encryption:%s%s%s\n"
               "       auth:       %d\n",
               extra, assoc_req->flags,
-              libertas_escape_essid(assoc_req->ssid.ssid, assoc_req->ssid.ssidlength),
+              escape_essid(assoc_req->ssid, assoc_req->ssid_len),
               assoc_req->channel, assoc_req->band, assoc_req->mode,
               MAC_ARG(assoc_req->bssid),
               assoc_req->secinfo.WPAenabled ? " WPA" : "",
@@ -78,41 +54,43 @@ static int assoc_helper_essid(wlan_private *priv,
        if (test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
                channel = assoc_req->channel;
 
-       lbs_deb_assoc("New SSID requested: %s\n", assoc_req->ssid.ssid);
+       lbs_deb_assoc("New SSID requested: '%s'\n",
+                     escape_essid(assoc_req->ssid, assoc_req->ssid_len));
        if (assoc_req->mode == IW_MODE_INFRA) {
                if (adapter->prescan) {
-                       libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 0);
+                       libertas_send_specific_SSID_scan(priv, assoc_req->ssid,
+                               assoc_req->ssid_len, 0);
                }
 
-               bss = libertas_find_SSID_in_list(adapter, &assoc_req->ssid,
-                               NULL, IW_MODE_INFRA, channel);
+               bss = libertas_find_SSID_in_list(adapter, assoc_req->ssid,
+                               assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
                if (bss != NULL) {
                        lbs_deb_assoc("SSID found in scan list, associating\n");
                        memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
                        ret = wlan_associate(priv, assoc_req);
                } else {
-                       lbs_deb_assoc("SSID '%s' not found; cannot associate\n",
-                               assoc_req->ssid.ssid);
+                       lbs_deb_assoc("SSID not found; cannot associate\n");
                }
        } else if (assoc_req->mode == IW_MODE_ADHOC) {
                /* Scan for the network, do not save previous results.  Stale
                 *   scan data will cause us to join a non-existant adhoc network
                 */
-               libertas_send_specific_SSID_scan(priv, &assoc_req->ssid, 1);
+               libertas_send_specific_SSID_scan(priv, assoc_req->ssid,
+                       assoc_req->ssid_len, 1);
 
                /* Search for the requested SSID in the scan table */
-               bss = libertas_find_SSID_in_list(adapter, &assoc_req->ssid, NULL,
-                               IW_MODE_ADHOC, channel);
+               bss = libertas_find_SSID_in_list(adapter, assoc_req->ssid,
+                               assoc_req->ssid_len, NULL, IW_MODE_ADHOC, channel);
                if (bss != NULL) {
-                       lbs_deb_assoc("SSID found joining\n");
+                       lbs_deb_assoc("SSID found, will join\n");
                        memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
                        libertas_join_adhoc_network(priv, assoc_req);
                } else {
                        /* else send START command */
-                       lbs_deb_assoc("SSID not found in list, so creating adhoc"
-                               " with SSID '%s'\n", assoc_req->ssid.ssid);
+                       lbs_deb_assoc("SSID not found, creating adhoc network\n");
                        memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
-                               sizeof(struct WLAN_802_11_SSID));
+                               IW_ESSID_MAX_SIZE);
+                       assoc_req->bss.ssid_len = assoc_req->ssid_len;
                        libertas_start_adhoc_network(priv, assoc_req);
                }
        }
@@ -441,10 +419,9 @@ static int should_stop_adhoc(wlan_adapter *adapter,
        if (adapter->connect_status != libertas_connected)
                return 0;
 
-       if (adapter->curbssparams.ssid.ssidlength != assoc_req->ssid.ssidlength)
-               return 1;
-       if (memcmp(adapter->curbssparams.ssid.ssid, assoc_req->ssid.ssid,
-                       adapter->curbssparams.ssid.ssidlength))
+       if (libertas_SSID_cmp(adapter->curbssparams.ssid,
+                             adapter->curbssparams.ssid_len,
+                             assoc_req->ssid, assoc_req->ssid_len) != 0)
                return 1;
 
        /* FIXME: deal with 'auto' mode somehow */
@@ -485,7 +462,7 @@ void libertas_association_worker(struct work_struct *work)
 
        /* If 'any' SSID was specified, find an SSID to associate with */
        if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)
-           && !assoc_req->ssid.ssidlength)
+           && !assoc_req->ssid_len)
                find_any_ssid = 1;
 
        /* But don't use 'any' SSID if there's a valid locked BSSID to use */
@@ -498,8 +475,8 @@ void libertas_association_worker(struct work_struct *work)
        if (find_any_ssid) {
                u8 new_mode;
 
-               ret = libertas_find_best_network_SSID(priv, &assoc_req->ssid,
-                               assoc_req->mode, &new_mode);
+               ret = libertas_find_best_network_SSID(priv, assoc_req->ssid,
+                               &assoc_req->ssid_len, assoc_req->mode, &new_mode);
                if (ret) {
                        lbs_deb_assoc("Could not find best network\n");
                        ret = -ENETUNREACH;
@@ -613,8 +590,8 @@ lbs_deb_assoc("ASSOC(:%d) wpa_keys: ret = %d\n", __LINE__, ret);
                if (success) {
                        lbs_deb_assoc("ASSOC: association attempt successful. "
                                "Associated to '%s' (" MAC_FMT ")\n",
-                               libertas_escape_essid(adapter->curbssparams.ssid.ssid,
-                                            adapter->curbssparams.ssid.ssidlength),
+                               escape_essid(adapter->curbssparams.ssid,
+                                            adapter->curbssparams.ssid_len),
                                MAC_ARG(adapter->curbssparams.bssid));
                        libertas_prepare_and_send_command(priv,
                                cmd_802_11_rssi,
@@ -667,7 +644,8 @@ struct assoc_request * wlan_get_association_request(wlan_adapter *adapter)
        assoc_req = adapter->pending_assoc_req;
        if (!test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
                memcpy(&assoc_req->ssid, &adapter->curbssparams.ssid,
-                      sizeof(struct WLAN_802_11_SSID));
+                      IW_ESSID_MAX_SIZE);
+               assoc_req->ssid_len = adapter->curbssparams.ssid_len;
        }
 
        if (!test_bit(ASSOC_FLAG_CHANNEL, &assoc_req->flags))
index 9385df5..ebedd63 100644 (file)
@@ -61,25 +61,28 @@ void libertas_mac_event_disconnected(wlan_private * priv)
        adapter->nextSNRNF = 0;
        adapter->numSNRNF = 0;
        adapter->rxpd_rate = 0;
-       lbs_deb_cmd("Current SSID=%s, ssid length=%u\n",
-              adapter->curbssparams.ssid.ssid,
-              adapter->curbssparams.ssid.ssidlength);
-       lbs_deb_cmd("Previous SSID=%s, ssid length=%u\n",
-              adapter->previousssid.ssid, adapter->previousssid.ssidlength);
+       lbs_deb_cmd("Current SSID='%s', ssid length=%u\n",
+                   escape_essid(adapter->curbssparams.ssid,
+                                adapter->curbssparams.ssid_len),
+                   adapter->curbssparams.ssid_len);
+       lbs_deb_cmd("Previous SSID='%s', ssid length=%u\n",
+                   escape_essid(adapter->prev_ssid, adapter->prev_ssid_len),
+                   adapter->prev_ssid_len);
 
        adapter->connect_status = libertas_disconnected;
 
        /* Save previous SSID and BSSID for possible reassociation */
-       memcpy(&adapter->previousssid,
-              &adapter->curbssparams.ssid, sizeof(struct WLAN_802_11_SSID));
-       memcpy(adapter->previousbssid,
-              adapter->curbssparams.bssid, ETH_ALEN);
+       memcpy(&adapter->prev_ssid, &adapter->curbssparams.ssid,
+              IW_ESSID_MAX_SIZE);
+       adapter->prev_ssid_len = adapter->curbssparams.ssid_len;
+       memcpy(adapter->prev_bssid, adapter->curbssparams.bssid, ETH_ALEN);
 
        /* Clear out associated SSID and BSSID since connection is
         * no longer valid.
         */
        memset(&adapter->curbssparams.bssid, 0, ETH_ALEN);
-       memset(&adapter->curbssparams.ssid, 0, sizeof(struct WLAN_802_11_SSID));
+       memset(&adapter->curbssparams.ssid, 0, IW_ESSID_MAX_SIZE);
+       adapter->curbssparams.ssid_len = 0;
 
        if (adapter->psstate != PS_STATE_FULL_POWER) {
                /* make firmware to exit PS mode */
index b62ebca..902b4be 100644 (file)
@@ -84,7 +84,8 @@ static ssize_t libertas_getscantable(struct file *file, char __user *userbuf,
                                iter_bss->cap.spectrummgmt ? 'S' : ' ');
                pos += snprintf(buf+pos, len-pos, " %08llx |", iter_bss->networktsf);
                pos += snprintf(buf+pos, len-pos, " %d |", SCAN_RSSI(iter_bss->rssi));
-               pos += snprintf(buf+pos, len-pos, " %s\n", iter_bss->ssid.ssid);
+               pos += snprintf(buf+pos, len-pos, " %s\n",
+                               escape_essid(iter_bss->ssid, iter_bss->ssid_len));
 
                numscansdone++;
        }
@@ -174,7 +175,6 @@ static ssize_t libertas_extscan(struct file *file, const char __user *userbuf,
 {
        wlan_private *priv = file->private_data;
        ssize_t res, buf_size;
-       struct WLAN_802_11_SSID extscan_ssid;
        union iwreq_data wrqu;
        unsigned long addr = get_zeroed_page(GFP_KERNEL);
        char *buf = (char *)addr;
@@ -185,10 +185,7 @@ static ssize_t libertas_extscan(struct file *file, const char __user *userbuf,
                goto out_unlock;
        }
 
-       memcpy(&extscan_ssid.ssid, buf, strlen(buf)-1);
-       extscan_ssid.ssidlength = strlen(buf)-1;
-
-       libertas_send_specific_SSID_scan(priv, &extscan_ssid, 0);
+       libertas_send_specific_SSID_scan(priv, buf, strlen(buf)-1, 0);
 
        memset(&wrqu, 0, sizeof(union iwreq_data));
        wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
index 91ac744..d6c340a 100644 (file)
@@ -66,7 +66,8 @@ struct current_bss_params {
        /** bssid */
        u8 bssid[ETH_ALEN];
        /** ssid */
-       struct WLAN_802_11_SSID ssid;
+       u8 ssid[IW_ESSID_MAX_SIZE + 1];
+       u8 ssid_len;
 
        /** band */
        u8 band;
@@ -178,7 +179,8 @@ struct assoc_request {
 #define ASSOC_FLAG_WPA_IE              11
        unsigned long flags;
 
-       struct WLAN_802_11_SSID ssid;
+       u8 ssid[IW_ESSID_MAX_SIZE + 1];
+       u8 ssid_len;
        u8 channel;
        u8 band;
        u8 mode;
@@ -256,8 +258,9 @@ struct _wlan_adapter {
        /* IW_MODE_* */
        u8 mode;
 
-       struct WLAN_802_11_SSID previousssid;
-       u8 previousbssid[ETH_ALEN];
+       u8 prev_ssid[IW_ESSID_MAX_SIZE + 1];
+       u8 prev_ssid_len;
+       u8 prev_bssid[ETH_ALEN];
 
        /* Scan results list */
        struct list_head network_list;
index dc66cf5..0a3a899 100644 (file)
@@ -102,14 +102,6 @@ struct IE_WPA {
        __le16 version;
 };
 
-struct WLAN_802_11_SSID {
-       /* SSID length */
-       __le32 ssidlength;
-
-       /* SSID information field */
-       u8 ssid[IW_ESSID_MAX_SIZE];
-};
-
 struct WPA_SUPPLICANT {
        u8 wpa_ie[256];
        u8 wpa_ie_len;
index b728f7f..1f866aa 100644 (file)
@@ -184,18 +184,20 @@ int libertas_join_adhoc_network(wlan_private * priv, struct assoc_request * asso
        struct bss_descriptor * bss = &assoc_req->bss;
        int ret = 0;
 
-       lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid =%s\n",
-              adapter->curbssparams.ssid.ssid);
-       lbs_deb_join("libertas_join_adhoc_network: CurBss.ssid_len =%u\n",
-              adapter->curbssparams.ssid.ssidlength);
-       lbs_deb_join("libertas_join_adhoc_network: ssid = '%s'\n",
-               bss->ssid.ssid);
-       lbs_deb_join("libertas_join_adhoc_network: ssid len = %u\n",
-               bss->ssid.ssidlength);
+       lbs_deb_join("%s: Current SSID '%s', ssid length %u\n",
+                    __func__,
+                    escape_essid(adapter->curbssparams.ssid,
+                                 adapter->curbssparams.ssid_len),
+                    adapter->curbssparams.ssid_len);
+       lbs_deb_join("%s: requested ssid '%s', ssid length %u\n",
+                    __func__, escape_essid(bss->ssid, bss->ssid_len),
+                    bss->ssid_len);
 
        /* check if the requested SSID is already joined */
-       if (adapter->curbssparams.ssid.ssidlength
-           && !libertas_SSID_cmp(&bss->ssid, &adapter->curbssparams.ssid)
+       if (adapter->curbssparams.ssid_len
+           && !libertas_SSID_cmp(adapter->curbssparams.ssid,
+                                 adapter->curbssparams.ssid_len,
+                                 bss->ssid, bss->ssid_len)
            && (adapter->mode == IW_MODE_ADHOC)) {
                lbs_deb_join(
                       "ADHOC_J_CMD: New ad-hoc SSID is the same as current, "
@@ -362,9 +364,9 @@ int libertas_cmd_80211_associate(wlan_private * priv,
 
        ssid = (struct mrvlietypes_ssidparamset *) pos;
        ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
-       tmplen = bss->ssid.ssidlength;
+       tmplen = bss->ssid_len;
        ssid->header.len = cpu_to_le16(tmplen);
-       memcpy(ssid->ssid, bss->ssid.ssid, tmplen);
+       memcpy(ssid->ssid, bss->ssid, tmplen);
        pos += sizeof(ssid->header) + tmplen;
 
        phy = (struct mrvlietypes_phyparamset *) pos;
@@ -482,9 +484,11 @@ int libertas_cmd_80211_ad_hoc_start(wlan_private * priv,
         */
 
        memset(adhs->SSID, 0, IW_ESSID_MAX_SIZE);
-       memcpy(adhs->SSID, assoc_req->ssid.ssid, assoc_req->ssid.ssidlength);
+       memcpy(adhs->SSID, assoc_req->ssid, assoc_req->ssid_len);
 
-       lbs_deb_join("ADHOC_S_CMD: SSID = %s\n", adhs->SSID);
+       lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
+                    escape_essid(assoc_req->ssid, assoc_req->ssid_len),
+                    assoc_req->ssid_len);
 
        /* set the BSS type */
        adhs->bsstype = cmd_bss_type_ibss;
@@ -600,7 +604,7 @@ int libertas_cmd_80211_ad_hoc_join(wlan_private * priv,
        padhocjoin->bssdescriptor.beaconperiod = cpu_to_le16(bss->beaconperiod);
 
        memcpy(&padhocjoin->bssdescriptor.BSSID, &bss->bssid, ETH_ALEN);
-       memcpy(&padhocjoin->bssdescriptor.SSID, &bss->ssid.ssid, bss->ssid.ssidlength);
+       memcpy(&padhocjoin->bssdescriptor.SSID, &bss->ssid, bss->ssid_len);
 
        memcpy(&padhocjoin->bssdescriptor.phyparamset,
               &bss->phyparamset, sizeof(union ieeetypes_phyparamset));
@@ -733,11 +737,12 @@ int libertas_ret_80211_associate(wlan_private * priv,
        /* Send a Media Connected event, according to the Spec */
        adapter->connect_status = libertas_connected;
 
-       lbs_deb_join("ASSOC_RESP: %s\n", bss->ssid.ssid);
+       lbs_deb_join("ASSOC_RESP: assocated to '%s'\n",
+                    escape_essid(bss->ssid, bss->ssid_len));
 
        /* Update current SSID and BSSID */
-       memcpy(&adapter->curbssparams.ssid,
-              &bss->ssid, sizeof(struct WLAN_802_11_SSID));
+       memcpy(&adapter->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
+       adapter->curbssparams.ssid_len = bss->ssid_len;
        memcpy(adapter->curbssparams.bssid, bss->bssid, ETH_ALEN);
 
        lbs_deb_join("ASSOC_RESP: currentpacketfilter is %x\n",
@@ -821,7 +826,8 @@ int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
         * Now the join cmd should be successful
         * If BSSID has changed use SSID to compare instead of BSSID
         */
-       lbs_deb_join("ADHOC_RESP: %s\n", bss->ssid.ssid);
+       lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
+                    escape_essid(bss->ssid, bss->ssid_len));
 
        /* Send a Media Connected event, according to the Spec */
        adapter->connect_status = libertas_connected;
@@ -835,8 +841,8 @@ int libertas_ret_80211_ad_hoc_start(wlan_private * priv,
        memcpy(&adapter->curbssparams.bssid, bss->bssid, ETH_ALEN);
 
        /* Set the new SSID to current SSID */
-       memcpy(&adapter->curbssparams.ssid, &bss->ssid,
-              sizeof(struct WLAN_802_11_SSID));
+       memcpy(&adapter->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
+       adapter->curbssparams.ssid_len = bss->ssid_len;
 
        netif_carrier_on(priv->dev);
        netif_wake_queue(priv->dev);
index c84e33c..d522630 100644 (file)
@@ -40,9 +40,6 @@ extern int libertas_ret_80211_associate(wlan_private * priv,
 
 extern int libertas_reassociation_thread(void *data);
 
-struct WLAN_802_11_SSID;
-struct bss_descriptor;
-
 extern int libertas_start_adhoc_network(wlan_private * priv,
                             struct assoc_request * assoc_req);
 extern int libertas_join_adhoc_network(wlan_private * priv,
index 9799d87..5790e8b 100644 (file)
@@ -232,6 +232,7 @@ static void wlan_scan_process_results(wlan_private * priv)
 {
        wlan_adapter *adapter = priv->adapter;
        struct bss_descriptor * iter_bss;
+       int i = 0;
 
        if (adapter->connect_status == libertas_connected)
                return;
@@ -240,7 +241,7 @@ static void wlan_scan_process_results(wlan_private * priv)
        list_for_each_entry (iter_bss, &adapter->network_list, list) {
                lbs_deb_scan("Scan:(%02d) " MAC_FMT ", RSSI[%03d], SSID[%s]\n",
                       i++, MAC_ARG(iter_bss->bssid), (s32) iter_bss->rssi,
-                      iter_bss->ssid.ssid);
+                      escape_essid(iter_bss->ssid, iter_bss->ssid_len));
        }
        mutex_unlock(&adapter->lock);
 }
@@ -747,8 +748,8 @@ clear_selected_scan_list_entries(wlan_adapter * adapter,
 
                /* Check for an SSID match */
                if (   clear_ssid_flag
-                   && (bss->ssid.ssidlength == scan_cfg->ssid_len)
-                   && !memcmp(bss->ssid.ssid, scan_cfg->ssid, bss->ssid.ssidlength))
+                   && (bss->ssid_len == scan_cfg->ssid_len)
+                   && !memcmp(bss->ssid, scan_cfg->ssid, bss->ssid_len))
                        clear = 1;
 
                /* Check for a BSSID match */
@@ -1048,9 +1049,11 @@ static int libertas_process_bss(struct bss_descriptor * bss,
 
                switch (elemID) {
                case SSID:
-                       bss->ssid.ssidlength = elemlen;
-                       memcpy(bss->ssid.ssid, (pcurrentptr + 2), elemlen);
-                       lbs_deb_scan("ssid '%s'\n", bss->ssid.ssid);
+                       bss->ssid_len = elemlen;
+                       memcpy(bss->ssid, (pcurrentptr + 2), elemlen);
+                       lbs_deb_scan("ssid '%s', ssid length %u\n",
+                                    escape_essid(bss->ssid, bss->ssid_len),
+                                    bss->ssid_len);
                        break;
 
                case SUPPORTED_RATES:
@@ -1194,15 +1197,12 @@ done:
  *
  *  @return         0--ssid is same, otherwise is different
  */
-int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1, struct WLAN_802_11_SSID *ssid2)
+int libertas_SSID_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
 {
-       if (!ssid1 || !ssid2)
+       if (ssid1_len != ssid2_len)
                return -1;
 
-       if (ssid1->ssidlength != ssid2->ssidlength)
-               return -1;
-
-       return memcmp(ssid1->ssid, ssid2->ssid, ssid1->ssidlength);
+       return memcmp(ssid1, ssid2, ssid1_len);
 }
 
 /**
@@ -1262,7 +1262,7 @@ struct bss_descriptor * libertas_find_BSSID_in_list(wlan_adapter * adapter,
  *  @return         index in BSSID list
  */
 struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
-                  struct WLAN_802_11_SSID *ssid, u8 * bssid, u8 mode,
+                  u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
                   int channel)
 {
        u8 bestrssi = 0;
@@ -1277,7 +1277,8 @@ struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
                    || (iter_bss->last_scanned < tmp_oldest->last_scanned))
                        tmp_oldest = iter_bss;
 
-               if (libertas_SSID_cmp(&iter_bss->ssid, ssid) != 0)
+               if (libertas_SSID_cmp(iter_bss->ssid, iter_bss->ssid_len,
+                                     ssid, ssid_len) != 0)
                        continue; /* ssid doesn't match */
                if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
                        continue; /* bssid doesn't match */
@@ -1369,8 +1370,7 @@ struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
  *  @return             0--success, otherwise--fail
  */
 int libertas_find_best_network_SSID(wlan_private * priv,
-                                    struct WLAN_802_11_SSID *ssid,
-                                    u8 preferred_mode, u8 *out_mode)
+               u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode)
 {
        wlan_adapter *adapter = priv->adapter;
        int ret = -1;
@@ -1378,8 +1378,6 @@ int libertas_find_best_network_SSID(wlan_private * priv,
 
        lbs_deb_enter(LBS_DEB_ASSOC);
 
-       memset(ssid, 0, sizeof(struct WLAN_802_11_SSID));
-
        wlan_scan_networks(priv, NULL, 1);
        if (adapter->surpriseremoved)
                return -1;
@@ -1387,8 +1385,9 @@ int libertas_find_best_network_SSID(wlan_private * priv,
        wait_event_interruptible(adapter->cmd_pending, !adapter->nr_cmd_pending);
 
        found = libertas_find_best_SSID_in_list(adapter, preferred_mode);
-       if (found && (found->ssid.ssidlength > 0)) {
-               memcpy(ssid, &found->ssid, sizeof(struct WLAN_802_11_SSID));
+       if (found && (found->ssid_len > 0)) {
+               memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
+               *out_ssid_len = found->ssid_len;
                *out_mode = found->mode;
                ret = 0;
        }
@@ -1434,8 +1433,7 @@ int libertas_set_scan(struct net_device *dev, struct iw_request_info *info,
  *  @return                0-success, otherwise fail
  */
 int libertas_send_specific_SSID_scan(wlan_private * priv,
-                        struct WLAN_802_11_SSID *prequestedssid,
-                        u8 clear_ssid)
+                       u8 *ssid, u8 ssid_len, u8 clear_ssid)
 {
        wlan_adapter *adapter = priv->adapter;
        struct wlan_ioctl_user_scan_cfg scancfg;
@@ -1443,12 +1441,12 @@ int libertas_send_specific_SSID_scan(wlan_private * priv,
 
        lbs_deb_enter(LBS_DEB_ASSOC);
 
-       if (prequestedssid == NULL)
+       if (!ssid_len)
                goto out;
 
        memset(&scancfg, 0x00, sizeof(scancfg));
-       memcpy(scancfg.ssid, prequestedssid->ssid, prequestedssid->ssidlength);
-       scancfg.ssid_len = prequestedssid->ssidlength;
+       memcpy(scancfg.ssid, ssid, ssid_len);
+       scancfg.ssid_len = ssid_len;
        scancfg.clear_ssid = clear_ssid;
 
        wlan_scan_networks(priv, &scancfg, 1);
@@ -1523,8 +1521,8 @@ static inline char *libertas_translate_scan(wlan_private *priv,
        /* SSID */
        iwe.cmd = SIOCGIWESSID;
        iwe.u.data.flags = 1;
-       iwe.u.data.length = min(bss->ssid.ssidlength, (u32) IW_ESSID_MAX_SIZE);
-       start = iwe_stream_add_point(start, stop, &iwe, bss->ssid.ssid);
+       iwe.u.data.length = min((u32) bss->ssid_len, (u32) IW_ESSID_MAX_SIZE);
+       start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
 
        /* Mode */
        iwe.cmd = SIOCGIWMODE;
@@ -1563,7 +1561,9 @@ static inline char *libertas_translate_scan(wlan_private *priv,
         */
        if ((adapter->mode == IW_MODE_ADHOC)
            && adapter->adhoccreate
-           && !libertas_SSID_cmp(&adapter->curbssparams.ssid, &bss->ssid)) {
+           && !libertas_SSID_cmp(adapter->curbssparams.ssid,
+                                 adapter->curbssparams.ssid_len,
+                                 bss->ssid, bss->ssid_len)) {
                int snr, nf;
                snr = adapter->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
                nf = adapter->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
@@ -1579,7 +1579,7 @@ static inline char *libertas_translate_scan(wlan_private *priv,
                iwe.u.data.flags = IW_ENCODE_DISABLED;
        }
        iwe.u.data.length = 0;
-       start = iwe_stream_add_point(start, stop, &iwe, bss->ssid.ssid);
+       start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
 
        current_val = start + IW_EV_LCP_LEN;
 
@@ -1598,7 +1598,9 @@ static inline char *libertas_translate_scan(wlan_private *priv,
                                         stop, &iwe, IW_EV_PARAM_LEN);
        }
        if ((bss->mode == IW_MODE_ADHOC)
-           && !libertas_SSID_cmp(&adapter->curbssparams.ssid, &bss->ssid)
+           && !libertas_SSID_cmp(adapter->curbssparams.ssid,
+                                 adapter->curbssparams.ssid_len,
+                                 bss->ssid, bss->ssid_len)
            && adapter->adhoccreate) {
                iwe.u.bitrate.value = 22 * 500000;
                current_val = iwe_stream_add_value(start, current_val,
@@ -1753,10 +1755,10 @@ static inline int is_same_network(struct bss_descriptor *src,
        /* A network is only a duplicate if the channel, BSSID, and ESSID
         * all match.  We treat all <hidden> with the same BSSID and channel
         * as one network */
-       return ((src->ssid.ssidlength == dst->ssid.ssidlength) &&
+       return ((src->ssid_len == dst->ssid_len) &&
                (src->channel == dst->channel) &&
                !compare_ether_addr(src->bssid, dst->bssid) &&
-               !memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssidlength));
+               !memcmp(src->ssid, dst->ssid, src->ssid_len));
 }
 
 /**
index 60a09e3..9ace347 100644 (file)
@@ -137,7 +137,8 @@ struct wlan_ioctl_user_scan_cfg {
 struct bss_descriptor {
        u8 bssid[ETH_ALEN];
 
-       struct WLAN_802_11_SSID ssid;
+       u8 ssid[IW_ESSID_MAX_SIZE + 1];
+       u8 ssid_len;
 
        /* WEP encryption requirement */
        u32 privacy;
@@ -174,11 +175,10 @@ struct bss_descriptor {
        struct list_head list;
 };
 
-extern int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1,
-                       struct WLAN_802_11_SSID *ssid2);
+extern int libertas_SSID_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
 
 struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
-                       struct WLAN_802_11_SSID *ssid, u8 * bssid, u8 mode,
+                       u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
                        int channel);
 
 struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
@@ -187,13 +187,11 @@ struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
 extern struct bss_descriptor * libertas_find_BSSID_in_list(wlan_adapter * adapter,
                        u8 * bssid, u8 mode);
 
-int libertas_find_best_network_SSID(wlan_private * priv,
-                       struct WLAN_802_11_SSID *pSSID,
-                       u8 preferred_mode, u8 *out_mode);
+int libertas_find_best_network_SSID(wlan_private * priv, u8 *out_ssid,
+                       u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
 
-extern int libertas_send_specific_SSID_scan(wlan_private * priv,
-                               struct WLAN_802_11_SSID *prequestedssid,
-                               u8 clear_ssid);
+extern int libertas_send_specific_SSID_scan(wlan_private * priv, u8 *ssid,
+                               u8 ssid_len, u8 clear_ssid);
 extern int libertas_send_specific_BSSID_scan(wlan_private * priv,
                                 u8 * bssid, u8 clear_bssid);
 
index 5b7e5f2..8939251 100644 (file)
@@ -2163,12 +2163,12 @@ static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
         * Get the current SSID
         */
        if (adapter->connect_status == libertas_connected) {
-               memcpy(extra, adapter->curbssparams.ssid.ssid,
-                      adapter->curbssparams.ssid.ssidlength);
-               extra[adapter->curbssparams.ssid.ssidlength] = '\0';
+               memcpy(extra, adapter->curbssparams.ssid,
+                      adapter->curbssparams.ssid_len);
+               extra[adapter->curbssparams.ssid_len] = '\0';
        } else {
                memset(extra, 0, 32);
-               extra[adapter->curbssparams.ssid.ssidlength] = '\0';
+               extra[adapter->curbssparams.ssid_len] = '\0';
        }
        /*
         * If none, we may want to get the one that was set
@@ -2176,10 +2176,10 @@ static int wlan_get_essid(struct net_device *dev, struct iw_request_info *info,
 
        /* To make the driver backward compatible with WPA supplicant v0.2.4 */
        if (dwrq->length == 32) /* check with WPA supplicant buffer size */
-               dwrq->length = min_t(size_t, adapter->curbssparams.ssid.ssidlength,
+               dwrq->length = min_t(size_t, adapter->curbssparams.ssid_len,
                                   IW_ESSID_MAX_SIZE);
        else
-               dwrq->length = adapter->curbssparams.ssid.ssidlength + 1;
+               dwrq->length = adapter->curbssparams.ssid_len + 1;
 
        dwrq->flags = 1;        /* active */
 
@@ -2193,9 +2193,10 @@ static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
        wlan_private *priv = dev->priv;
        wlan_adapter *adapter = priv->adapter;
        int ret = 0;
-       struct WLAN_802_11_SSID ssid;
+       u8 ssid[IW_ESSID_MAX_SIZE];
+       u8 ssid_len = 0;
        struct assoc_request * assoc_req;
-       int ssid_len = dwrq->length;
+       int in_ssid_len = dwrq->length;
 
        lbs_deb_enter(LBS_DEB_WEXT);
 
@@ -2204,27 +2205,31 @@ static int wlan_set_essid(struct net_device *dev, struct iw_request_info *info,
         * SSID length so it can be used like a string.  WE-21 and later don't,
         * but some userspace tools aren't able to cope with the change.
         */
-       if ((ssid_len > 0) && (extra[ssid_len - 1] == '\0'))
-               ssid_len--;
+       if ((in_ssid_len > 0) && (extra[in_ssid_len - 1] == '\0'))
+               in_ssid_len--;
 
        /* Check the size of the string */
-       if (ssid_len > IW_ESSID_MAX_SIZE) {
+       if (in_ssid_len > IW_ESSID_MAX_SIZE) {
                ret = -E2BIG;
                goto out;
        }
 
-       memset(&ssid, 0, sizeof(struct WLAN_802_11_SSID));
+       memset(&ssid, 0, sizeof(ssid));
 
-       if (!dwrq->flags || !ssid_len) {
+       if (!dwrq->flags || !in_ssid_len) {
                /* "any" SSID requested; leave SSID blank */
        } else {
                /* Specific SSID requested */
-               memcpy(&ssid.ssid, extra, ssid_len);
-               ssid.ssidlength = ssid_len;
+               memcpy(&ssid, extra, in_ssid_len);
+               ssid_len = in_ssid_len;
        }
 
-       lbs_deb_wext("requested new SSID '%s'\n",
-              (ssid.ssidlength > 0) ? (char *)ssid.ssid : "any");
+       if (!ssid_len) {
+               lbs_deb_wext("requested any SSID\n");
+       } else {
+               lbs_deb_wext("requested SSID '%s'\n",
+                            escape_essid(ssid, ssid_len));
+       }
 
 out:
        mutex_lock(&adapter->lock);
@@ -2235,7 +2240,8 @@ out:
                        ret = -ENOMEM;
                } else {
                        /* Copy the SSID to the association request */
-                       memcpy(&assoc_req->ssid, &ssid, sizeof(struct WLAN_802_11_SSID));
+                       memcpy(&assoc_req->ssid, &ssid, IW_ESSID_MAX_SIZE);
+                       assoc_req->ssid_len = ssid_len;
                        set_bit(ASSOC_FLAG_SSID, &assoc_req->flags);
                        wlan_postpone_association_work(priv);
                }