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path: root/drivers/net/wireless/iwmc3200wifi/rx.c
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Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi/rx.c')
-rw-r--r--drivers/net/wireless/iwmc3200wifi/rx.c84
1 files changed, 74 insertions, 10 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 771a301003c..bdb1d7e7979 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -423,7 +423,9 @@ static int iwm_ntf_rx_ticket(struct iwm_priv *iwm, u8 *buf,
if (IS_ERR(ticket_node))
return PTR_ERR(ticket_node);
- IWM_DBG_RX(iwm, DBG, "TICKET RELEASE(%d)\n",
+ IWM_DBG_RX(iwm, DBG, "TICKET %s(%d)\n",
+ ticket->action == IWM_RX_TICKET_RELEASE ?
+ "RELEASE" : "DROP",
ticket->id);
list_add_tail(&ticket_node->node, &iwm->rx_tickets);
@@ -500,6 +502,18 @@ static int iwm_mlme_assoc_start(struct iwm_priv *iwm, u8 *buf,
return 0;
}
+static u8 iwm_is_open_wep_profile(struct iwm_priv *iwm)
+{
+ if ((iwm->umac_profile->sec.ucast_cipher == UMAC_CIPHER_TYPE_WEP_40 ||
+ iwm->umac_profile->sec.ucast_cipher == UMAC_CIPHER_TYPE_WEP_104) &&
+ (iwm->umac_profile->sec.ucast_cipher ==
+ iwm->umac_profile->sec.mcast_cipher) &&
+ (iwm->umac_profile->sec.auth_type == UMAC_AUTH_TYPE_OPEN))
+ return 1;
+
+ return 0;
+}
+
static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size,
struct iwm_wifi_cmd *cmd)
@@ -565,11 +579,17 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
goto ibss;
if (!test_bit(IWM_STATUS_RESETTING, &iwm->status))
- cfg80211_connect_result(iwm_to_ndev(iwm),
- complete->bssid,
- NULL, 0, NULL, 0,
- WLAN_STATUS_UNSPECIFIED_FAILURE,
- GFP_KERNEL);
+ if (!iwm_is_open_wep_profile(iwm)) {
+ cfg80211_connect_result(iwm_to_ndev(iwm),
+ complete->bssid,
+ NULL, 0, NULL, 0,
+ WLAN_STATUS_UNSPECIFIED_FAILURE,
+ GFP_KERNEL);
+ } else {
+ /* Let's try shared WEP auth */
+ IWM_ERR(iwm, "Trying WEP shared auth\n");
+ schedule_work(&iwm->auth_retry_worker);
+ }
else
cfg80211_disconnected(iwm_to_ndev(iwm), 0, NULL, 0,
GFP_KERNEL);
@@ -713,6 +733,19 @@ static int iwm_mlme_update_sta_table(struct iwm_priv *iwm, u8 *buf,
return 0;
}
+static int iwm_mlme_medium_lost(struct iwm_priv *iwm, u8 *buf,
+ unsigned long buf_size,
+ struct iwm_wifi_cmd *cmd)
+{
+ struct wiphy *wiphy = iwm_to_wiphy(iwm);
+
+ IWM_DBG_NTF(iwm, DBG, "WiFi/WiMax coexistence radio is OFF\n");
+
+ wiphy_rfkill_set_hw_state(wiphy, true);
+
+ return 0;
+}
+
static int iwm_mlme_update_bss_table(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size,
struct iwm_wifi_cmd *cmd)
@@ -899,6 +932,8 @@ static int iwm_ntf_mlme(struct iwm_priv *iwm, u8 *buf,
case WIFI_IF_NTFY_EXTENDED_IE_REQUIRED:
IWM_DBG_MLME(iwm, DBG, "Extended IE required\n");
break;
+ case WIFI_IF_NTFY_RADIO_PREEMPTION:
+ return iwm_mlme_medium_lost(iwm, buf, buf_size, cmd);
case WIFI_IF_NTFY_BSS_TRK_TABLE_CHANGED:
return iwm_mlme_update_bss_table(iwm, buf, buf_size, cmd);
case WIFI_IF_NTFY_BSS_TRK_ENTRIES_REMOVED:
@@ -1056,8 +1091,14 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size,
struct iwm_wifi_cmd *cmd)
{
- struct iwm_umac_wifi_if *hdr =
- (struct iwm_umac_wifi_if *)cmd->buf.payload;
+ struct iwm_umac_wifi_if *hdr;
+
+ if (cmd == NULL) {
+ IWM_ERR(iwm, "Couldn't find expected wifi command\n");
+ return -EINVAL;
+ }
+
+ hdr = (struct iwm_umac_wifi_if *)cmd->buf.payload;
IWM_DBG_NTF(iwm, DBG, "WIFI_IF_WRAPPER cmd is delivered to UMAC: "
"oid is 0x%x\n", hdr->oid);
@@ -1079,6 +1120,7 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
return 0;
}
+#define CT_KILL_DELAY (30 * HZ)
static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size, struct iwm_wifi_cmd *cmd)
{
@@ -1091,7 +1133,20 @@ static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf,
flags & IWM_CARD_STATE_HW_DISABLED ? "ON" : "OFF",
flags & IWM_CARD_STATE_CTKILL_DISABLED ? "ON" : "OFF");
- wiphy_rfkill_set_hw_state(wiphy, flags & IWM_CARD_STATE_HW_DISABLED);
+ if (flags & IWM_CARD_STATE_CTKILL_DISABLED) {
+ /*
+ * We got a CTKILL event: We bring the interface down in
+ * oder to cool the device down, and try to bring it up
+ * 30 seconds later. If it's still too hot, we'll go through
+ * this code path again.
+ */
+ cancel_delayed_work_sync(&iwm->ct_kill_delay);
+ schedule_delayed_work(&iwm->ct_kill_delay, CT_KILL_DELAY);
+ }
+
+ wiphy_rfkill_set_hw_state(wiphy, flags &
+ (IWM_CARD_STATE_HW_DISABLED |
+ IWM_CARD_STATE_CTKILL_DISABLED));
return 0;
}
@@ -1282,6 +1337,14 @@ int iwm_rx_handle(struct iwm_priv *iwm, u8 *buf, unsigned long buf_size)
switch (le32_to_cpu(hdr->cmd)) {
case UMAC_REBOOT_BARKER:
+ if (test_bit(IWM_STATUS_READY, &iwm->status)) {
+ IWM_ERR(iwm, "Unexpected BARKER\n");
+
+ schedule_work(&iwm->reset_worker);
+
+ return 0;
+ }
+
return iwm_notif_send(iwm, NULL, IWM_BARKER_REBOOT_NOTIFICATION,
IWM_SRC_UDMA, buf, buf_size);
case UMAC_ACK_BARKER:
@@ -1444,7 +1507,8 @@ static void iwm_rx_process_packet(struct iwm_priv *iwm,
}
break;
case IWM_RX_TICKET_DROP:
- IWM_DBG_RX(iwm, DBG, "DROP packet\n");
+ IWM_DBG_RX(iwm, DBG, "DROP packet: 0x%x\n",
+ le16_to_cpu(ticket_node->ticket->flags));
kfree_skb(packet->skb);
break;
default: