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-rw-r--r--net/ieee80211/ieee80211_rx.c109
1 files changed, 103 insertions, 6 deletions
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 4165da7..a4ebc22 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -937,6 +937,45 @@ static int ieee80211_parse_qos_info_param_IE(struct ieee80211_info_element
return rc;
}
+#ifdef CONFIG_IEEE80211_DEBUG
+#define MFIE_STRING(x) case MFIE_TYPE_ ##x: return #x
+
+static const char *get_info_element_string(u16 id)
+{
+ switch (id) {
+ MFIE_STRING(SSID);
+ MFIE_STRING(RATES);
+ MFIE_STRING(FH_SET);
+ MFIE_STRING(DS_SET);
+ MFIE_STRING(CF_SET);
+ MFIE_STRING(TIM);
+ MFIE_STRING(IBSS_SET);
+ MFIE_STRING(COUNTRY);
+ MFIE_STRING(HOP_PARAMS);
+ MFIE_STRING(HOP_TABLE);
+ MFIE_STRING(REQUEST);
+ MFIE_STRING(CHALLENGE);
+ MFIE_STRING(POWER_CONSTRAINT);
+ MFIE_STRING(POWER_CAPABILITY);
+ MFIE_STRING(TPC_REQUEST);
+ MFIE_STRING(TPC_REPORT);
+ MFIE_STRING(SUPP_CHANNELS);
+ MFIE_STRING(CSA);
+ MFIE_STRING(MEASURE_REQUEST);
+ MFIE_STRING(MEASURE_REPORT);
+ MFIE_STRING(QUIET);
+ MFIE_STRING(IBSS_DFS);
+ MFIE_STRING(ERP_INFO);
+ MFIE_STRING(RSN);
+ MFIE_STRING(RATES_EX);
+ MFIE_STRING(GENERIC);
+ MFIE_STRING(QOS_PARAMETER);
+ default:
+ return "UNKNOWN";
+ }
+}
+#endif
+
static int ieee80211_parse_info_param(struct ieee80211_info_element
*info_element, u16 length,
struct ieee80211_network *network)
@@ -1100,10 +1139,49 @@ static int ieee80211_parse_info_param(struct ieee80211_info_element
printk(KERN_ERR
"QoS Error need to parse QOS_PARAMETER IE\n");
break;
+ /* 802.11h */
+ case MFIE_TYPE_POWER_CONSTRAINT:
+ network->power_constraint = info_element->data[0];
+ network->flags |= NETWORK_HAS_POWER_CONSTRAINT;
+ break;
+
+ case MFIE_TYPE_CSA:
+ network->power_constraint = info_element->data[0];
+ network->flags |= NETWORK_HAS_CSA;
+ break;
+
+ case MFIE_TYPE_QUIET:
+ network->quiet.count = info_element->data[0];
+ network->quiet.period = info_element->data[1];
+ network->quiet.duration = info_element->data[2];
+ network->quiet.offset = info_element->data[3];
+ network->flags |= NETWORK_HAS_QUIET;
+ break;
+
+ case MFIE_TYPE_IBSS_DFS:
+ if (network->ibss_dfs)
+ break;
+ network->ibss_dfs =
+ kmalloc(info_element->len, GFP_ATOMIC);
+ if (!network->ibss_dfs)
+ return 1;
+ memcpy(network->ibss_dfs, info_element->data,
+ info_element->len);
+ network->flags |= NETWORK_HAS_IBSS_DFS;
+ break;
+
+ case MFIE_TYPE_TPC_REPORT:
+ network->tpc_report.transmit_power =
+ info_element->data[0];
+ network->tpc_report.link_margin = info_element->data[1];
+ network->flags |= NETWORK_HAS_TPC_REPORT;
+ break;
default:
- IEEE80211_DEBUG_MGMT("unsupported IE %d\n",
- info_element->id);
+ IEEE80211_DEBUG_MGMT
+ ("Unsupported info element: %s (%d)\n",
+ get_info_element_string(info_element->id),
+ info_element->id);
break;
}
@@ -1119,7 +1197,9 @@ static int ieee80211_parse_info_param(struct ieee80211_info_element
static int ieee80211_handle_assoc_resp(struct ieee80211_device *ieee, struct ieee80211_assoc_response
*frame, struct ieee80211_rx_stats *stats)
{
- struct ieee80211_network network_resp;
+ struct ieee80211_network network_resp = {
+ .ibss_dfs = NULL,
+ };
struct ieee80211_network *network = &network_resp;
struct net_device *dev = ieee->dev;
@@ -1262,6 +1342,9 @@ static void update_network(struct ieee80211_network *dst,
int qos_active;
u8 old_param;
+ ieee80211_network_reset(dst);
+ dst->ibss_dfs = src->ibss_dfs;
+
memcpy(&dst->stats, &src->stats, sizeof(struct ieee80211_rx_stats));
dst->capability = src->capability;
memcpy(dst->rates, src->rates, src->rates_len);
@@ -1323,7 +1406,9 @@ static void ieee80211_process_probe_response(struct ieee80211_device
*stats)
{
struct net_device *dev = ieee->dev;
- struct ieee80211_network network;
+ struct ieee80211_network network = {
+ .ibss_dfs = NULL,
+ };
struct ieee80211_network *target;
struct ieee80211_network *oldest = NULL;
#ifdef CONFIG_IEEE80211_DEBUG
@@ -1398,6 +1483,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device
escape_essid(target->ssid,
target->ssid_len),
MAC_ARG(target->bssid));
+ ieee80211_network_reset(target);
} else {
/* Otherwise just pull from the free list */
target = list_entry(ieee->network_free_list.next,
@@ -1416,6 +1502,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device
"BEACON" : "PROBE RESPONSE");
#endif
memcpy(target, &network, sizeof(*target));
+ network.ibss_dfs = NULL;
list_add_tail(&target->list, &ieee->network_list);
} else {
IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
@@ -1427,6 +1514,7 @@ static void ieee80211_process_probe_response(struct ieee80211_device
frame_ctl)) ?
"BEACON" : "PROBE RESPONSE");
update_network(target, &network);
+ network.ibss_dfs = NULL;
}
spin_unlock_irqrestore(&ieee->lock, flags);
@@ -1511,10 +1599,19 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
header);
break;
+ case IEEE80211_STYPE_ACTION:
+ IEEE80211_DEBUG_MGMT("ACTION\n");
+ if (ieee->handle_action)
+ ieee->handle_action(ieee->dev,
+ (struct ieee80211_action *)
+ header, stats);
+ break;
+
case IEEE80211_STYPE_DEAUTH:
- printk("DEAUTH from AP\n");
+ IEEE80211_DEBUG_MGMT("DEAUTH\n");
if (ieee->handle_deauth != NULL)
- ieee->handle_deauth(ieee->dev, (struct ieee80211_deauth *)
+ ieee->handle_deauth(ieee->dev,
+ (struct ieee80211_deauth *)
header);
break;
default: