Changeset 9e5a51c in mainline for uspace/lib/net/ieee80211/ieee80211_impl.c

Timestamp:

2015-03-08T22:20:34Z (10 years ago)

Author:

Jan Kolarik <kolarik@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

864762a

Parents:

4cb0148

Message:

Fixed PLL initialization value that blocked communication with external devices. Started implementing IEEE802.11 scanning and authentication functions.

File:

• uspace/lib/net/ieee80211/ieee80211_impl.c (modified) (2 diffs)

uspace/lib/net/ieee80211/ieee80211_impl.c

@@ -40 +40 @@
 #include <ieee80211_impl.h>
 
-static int ieee80211_freq_to_channel(uint16_t freq)
-{
-        return (freq - IEEE80211_FIRST_FREQ) / IEEE80211_CHANNEL_GAP + 1;
-}
-
-static int ieee80211_probe_request(ieee80211_dev_t *ieee80211_dev)
-{
-        size_t buffer_size = sizeof(ieee80211_header_t);
-        void *buffer = malloc(buffer_size);
-        
-        /* TODO */
-        
-        ieee80211_freq_to_channel(ieee80211_dev->current_freq);
-        
-        ieee80211_dev->ops->tx_handler(ieee80211_dev, buffer, buffer_size);
-        
-        free(buffer);
-        
-        return EOK;
-}
-
 /**
  * Default implementation of IEEE802.11 scan function.
@@ -70 +49 @@
 int ieee80211_scan_impl(ieee80211_dev_t *ieee80211_dev)
 {
-        /* TODO */
-        int rc = ieee80211_probe_request(ieee80211_dev);
-        if(rc != EOK)
-                return rc;
+        uint16_t orig_freq = ieee80211_dev->current_freq;
+        
+        for(uint16_t freq = IEEE80211_FIRST_FREQ;
+                freq <= IEEE80211_MAX_FREQ; 
+                freq += IEEE80211_CHANNEL_GAP) {
+                ieee80211_dev->ops->set_freq(ieee80211_dev, freq);
+                ieee80211_probe_request(ieee80211_dev);
+                
+                /* Wait for probe responses. */
+                usleep(100000);
+        }
+        
+        ieee80211_dev->ops->set_freq(ieee80211_dev, orig_freq);
+        
+        /* TODO: Collect results. */
         
         return EOK;