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yaml
---
r: 21162
b: refs/heads/master
c: d1b46b0
h: refs/heads/master
v: v3
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Zhu Yi authored and John W. Linville committed Jan 27, 2006
1 parent f1d4c77 commit 9ba7a70
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Showing 2 changed files with 104 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 15f385982e3a4782fe8ed71a9a6beb64a2160c30
refs/heads/master: d1b46b0fba8c1049135ee5d60910b04463dccc95
109 changes: 103 additions & 6 deletions trunk/net/ieee80211/ieee80211_rx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand Down Expand Up @@ -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;
}

Expand All @@ -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;

Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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
Expand Down Expand Up @@ -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,
Expand All @@ -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",
Expand All @@ -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);
Expand Down Expand Up @@ -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:
Expand Down

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