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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.c205
1 files changed, 137 insertions, 68 deletions
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index d73cf96c6dc6..40dbcbc16593 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -102,6 +102,7 @@ static int iwm_ntf_error(struct iwm_priv *iwm, u8 *buf,
error = (struct iwm_umac_notif_error *)buf;
fw_err = &error->err;
+ memcpy(iwm->last_fw_err, fw_err, sizeof(struct iwm_fw_error_hdr));
IWM_ERR(iwm, "%cMAC FW ERROR:\n",
(le32_to_cpu(fw_err->category) == UMAC_SYS_ERR_CAT_LMAC) ? 'L' : 'U');
@@ -119,6 +120,8 @@ static int iwm_ntf_error(struct iwm_priv *iwm, u8 *buf,
IWM_ERR(iwm, "\tLMAC status: 0x%x\n", le32_to_cpu(fw_err->lmac_status));
IWM_ERR(iwm, "\tSDIO status: 0x%x\n", le32_to_cpu(fw_err->sdio_status));
+ iwm_resetting(iwm);
+
return 0;
}
@@ -143,17 +146,18 @@ static int iwm_ntf_init_complete(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size,
struct iwm_wifi_cmd *cmd)
{
+ struct wiphy *wiphy = iwm_to_wiphy(iwm);
struct iwm_umac_notif_init_complete *init_complete =
(struct iwm_umac_notif_init_complete *)(buf);
u16 status = le16_to_cpu(init_complete->status);
+ bool blocked = (status == UMAC_NTFY_INIT_COMPLETE_STATUS_ERR);
- if (status == UMAC_NTFY_INIT_COMPLETE_STATUS_ERR) {
+ if (blocked)
IWM_DBG_NTF(iwm, DBG, "Hardware rf kill is on (radio off)\n");
- set_bit(IWM_RADIO_RFKILL_HW, &iwm->radio);
- } else {
+ else
IWM_DBG_NTF(iwm, DBG, "Hardware rf kill is off (radio on)\n");
- clear_bit(IWM_RADIO_RFKILL_HW, &iwm->radio);
- }
+
+ wiphy_rfkill_set_hw_state(wiphy, blocked);
return 0;
}
@@ -218,17 +222,17 @@ static int iwm_ntf_tx(struct iwm_priv *iwm, u8 *buf,
(buf + sizeof(struct iwm_umac_wifi_in_hdr));
hdr = (struct iwm_umac_wifi_in_hdr *)buf;
- IWM_DBG_NTF(iwm, DBG, "REPLY_TX, buf size: %lu\n", buf_size);
+ IWM_DBG_TX(iwm, DBG, "REPLY_TX, buf size: %lu\n", buf_size);
- IWM_DBG_NTF(iwm, DBG, "Seqnum: %d\n",
- le16_to_cpu(hdr->sw_hdr.cmd.seq_num));
- IWM_DBG_NTF(iwm, DBG, "\tFrame cnt: %d\n", tx_resp->frame_cnt);
- IWM_DBG_NTF(iwm, DBG, "\tRetry cnt: %d\n",
- le16_to_cpu(tx_resp->retry_cnt));
- IWM_DBG_NTF(iwm, DBG, "\tSeq ctl: %d\n", le16_to_cpu(tx_resp->seq_ctl));
- IWM_DBG_NTF(iwm, DBG, "\tByte cnt: %d\n",
- le16_to_cpu(tx_resp->byte_cnt));
- IWM_DBG_NTF(iwm, DBG, "\tStatus: 0x%x\n", le32_to_cpu(tx_resp->status));
+ IWM_DBG_TX(iwm, DBG, "Seqnum: %d\n",
+ le16_to_cpu(hdr->sw_hdr.cmd.seq_num));
+ IWM_DBG_TX(iwm, DBG, "\tFrame cnt: %d\n", tx_resp->frame_cnt);
+ IWM_DBG_TX(iwm, DBG, "\tRetry cnt: %d\n",
+ le16_to_cpu(tx_resp->retry_cnt));
+ IWM_DBG_TX(iwm, DBG, "\tSeq ctl: %d\n", le16_to_cpu(tx_resp->seq_ctl));
+ IWM_DBG_TX(iwm, DBG, "\tByte cnt: %d\n",
+ le16_to_cpu(tx_resp->byte_cnt));
+ IWM_DBG_TX(iwm, DBG, "\tStatus: 0x%x\n", le32_to_cpu(tx_resp->status));
return 0;
}
@@ -418,8 +422,8 @@ static int iwm_ntf_rx_ticket(struct iwm_priv *iwm, u8 *buf,
if (IS_ERR(ticket_node))
return PTR_ERR(ticket_node);
- IWM_DBG_NTF(iwm, DBG, "TICKET RELEASE(%d)\n",
- ticket->id);
+ IWM_DBG_RX(iwm, DBG, "TICKET RELEASE(%d)\n",
+ ticket->id);
list_add_tail(&ticket_node->node, &iwm->rx_tickets);
/*
@@ -454,15 +458,15 @@ static int iwm_ntf_rx_packet(struct iwm_priv *iwm, u8 *buf,
u16 id, buf_offset;
u32 packet_size;
- IWM_DBG_NTF(iwm, DBG, "\n");
+ IWM_DBG_RX(iwm, DBG, "\n");
wifi_hdr = (struct iwm_umac_wifi_in_hdr *)buf;
id = le16_to_cpu(wifi_hdr->sw_hdr.cmd.seq_num);
buf_offset = sizeof(struct iwm_umac_wifi_in_hdr);
packet_size = buf_size - sizeof(struct iwm_umac_wifi_in_hdr);
- IWM_DBG_NTF(iwm, DBG, "CMD:0x%x, seqnum: %d, packet size: %d\n",
- wifi_hdr->sw_hdr.cmd.cmd, id, packet_size);
+ IWM_DBG_RX(iwm, DBG, "CMD:0x%x, seqnum: %d, packet size: %d\n",
+ wifi_hdr->sw_hdr.cmd.cmd, id, packet_size);
IWM_DBG_RX(iwm, DBG, "Packet id: %d\n", id);
IWM_HEXDUMP(iwm, DBG, RX, "PACKET: ", buf + buf_offset, packet_size);
@@ -487,8 +491,6 @@ static int iwm_mlme_assoc_start(struct iwm_priv *iwm, u8 *buf,
start = (struct iwm_umac_notif_assoc_start *)buf;
- set_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
-
IWM_DBG_MLME(iwm, INFO, "Association with %pM Started, reason: %d\n",
start->bssid, le32_to_cpu(start->roam_reason));
@@ -503,43 +505,84 @@ static int iwm_mlme_assoc_complete(struct iwm_priv *iwm, u8 *buf,
{
struct iwm_umac_notif_assoc_complete *complete =
(struct iwm_umac_notif_assoc_complete *)buf;
- union iwreq_data wrqu;
IWM_DBG_MLME(iwm, INFO, "Association with %pM completed, status: %d\n",
complete->bssid, complete->status);
- memset(&wrqu, 0, sizeof(wrqu));
-
- clear_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
-
switch (le32_to_cpu(complete->status)) {
case UMAC_ASSOC_COMPLETE_SUCCESS:
set_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
memcpy(iwm->bssid, complete->bssid, ETH_ALEN);
iwm->channel = complete->channel;
+ /* Internal roaming state, avoid notifying SME. */
+ if (!test_and_clear_bit(IWM_STATUS_SME_CONNECTING, &iwm->status)
+ && iwm->conf.mode == UMAC_MODE_BSS) {
+ cancel_delayed_work(&iwm->disconnect);
+ cfg80211_roamed(iwm_to_ndev(iwm),
+ complete->bssid,
+ iwm->req_ie, iwm->req_ie_len,
+ iwm->resp_ie, iwm->resp_ie_len,
+ GFP_KERNEL);
+ break;
+ }
+
iwm_link_on(iwm);
- memcpy(wrqu.ap_addr.sa_data, complete->bssid, ETH_ALEN);
+ if (iwm->conf.mode == UMAC_MODE_IBSS)
+ goto ibss;
+
+ if (!test_bit(IWM_STATUS_RESETTING, &iwm->status))
+ cfg80211_connect_result(iwm_to_ndev(iwm),
+ complete->bssid,
+ iwm->req_ie, iwm->req_ie_len,
+ iwm->resp_ie, iwm->resp_ie_len,
+ WLAN_STATUS_SUCCESS,
+ GFP_KERNEL);
+ else
+ cfg80211_roamed(iwm_to_ndev(iwm),
+ complete->bssid,
+ iwm->req_ie, iwm->req_ie_len,
+ iwm->resp_ie, iwm->resp_ie_len,
+ GFP_KERNEL);
break;
case UMAC_ASSOC_COMPLETE_FAILURE:
clear_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
memset(iwm->bssid, 0, ETH_ALEN);
iwm->channel = 0;
+ /* Internal roaming state, avoid notifying SME. */
+ if (!test_and_clear_bit(IWM_STATUS_SME_CONNECTING, &iwm->status)
+ && iwm->conf.mode == UMAC_MODE_BSS) {
+ cancel_delayed_work(&iwm->disconnect);
+ break;
+ }
+
iwm_link_off(iwm);
+
+ if (iwm->conf.mode == UMAC_MODE_IBSS)
+ 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);
+ else
+ cfg80211_disconnected(iwm_to_ndev(iwm), 0, NULL, 0,
+ GFP_KERNEL);
+ break;
default:
break;
}
- if (iwm->conf.mode == UMAC_MODE_IBSS) {
- cfg80211_ibss_joined(iwm_to_ndev(iwm), iwm->bssid, GFP_KERNEL);
- return 0;
- }
-
- wrqu.ap_addr.sa_family = ARPHRD_ETHER;
- wireless_send_event(iwm_to_ndev(iwm), SIOCGIWAP, &wrqu, NULL);
+ clear_bit(IWM_STATUS_RESETTING, &iwm->status);
+ return 0;
+ ibss:
+ cfg80211_ibss_joined(iwm_to_ndev(iwm), iwm->bssid, GFP_KERNEL);
+ clear_bit(IWM_STATUS_RESETTING, &iwm->status);
return 0;
}
@@ -548,13 +591,20 @@ static int iwm_mlme_profile_invalidate(struct iwm_priv *iwm, u8 *buf,
struct iwm_wifi_cmd *cmd)
{
struct iwm_umac_notif_profile_invalidate *invalid;
+ u32 reason;
invalid = (struct iwm_umac_notif_profile_invalidate *)buf;
+ reason = le32_to_cpu(invalid->reason);
+
+ IWM_DBG_MLME(iwm, INFO, "Profile Invalidated. Reason: %d\n", reason);
- IWM_DBG_MLME(iwm, INFO, "Profile Invalidated. Reason: %d\n",
- le32_to_cpu(invalid->reason));
+ if (reason != UMAC_PROFILE_INVALID_REQUEST &&
+ test_bit(IWM_STATUS_SME_CONNECTING, &iwm->status))
+ cfg80211_connect_result(iwm_to_ndev(iwm), NULL, NULL, 0, NULL,
+ 0, WLAN_STATUS_UNSPECIFIED_FAILURE,
+ GFP_KERNEL);
- clear_bit(IWM_STATUS_ASSOCIATING, &iwm->status);
+ clear_bit(IWM_STATUS_SME_CONNECTING, &iwm->status);
clear_bit(IWM_STATUS_ASSOCIATED, &iwm->status);
iwm->umac_profile_active = 0;
@@ -568,6 +618,19 @@ static int iwm_mlme_profile_invalidate(struct iwm_priv *iwm, u8 *buf,
return 0;
}
+#define IWM_DISCONNECT_INTERVAL (5 * HZ)
+
+static int iwm_mlme_connection_terminated(struct iwm_priv *iwm, u8 *buf,
+ unsigned long buf_size,
+ struct iwm_wifi_cmd *cmd)
+{
+ IWM_DBG_MLME(iwm, DBG, "Connection terminated\n");
+
+ schedule_delayed_work(&iwm->disconnect, IWM_DISCONNECT_INTERVAL);
+
+ return 0;
+}
+
static int iwm_mlme_scan_complete(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size,
struct iwm_wifi_cmd *cmd)
@@ -769,37 +832,47 @@ static int iwm_mlme_mgt_frame(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size, struct iwm_wifi_cmd *cmd)
{
struct iwm_umac_notif_mgt_frame *mgt_frame =
- (struct iwm_umac_notif_mgt_frame *)buf;
+ (struct iwm_umac_notif_mgt_frame *)buf;
struct ieee80211_mgmt *mgt = (struct ieee80211_mgmt *)mgt_frame->frame;
u8 *ie;
- unsigned int event;
- union iwreq_data wrqu;
IWM_HEXDUMP(iwm, DBG, MLME, "MGT: ", mgt_frame->frame,
le16_to_cpu(mgt_frame->len));
if (ieee80211_is_assoc_req(mgt->frame_control)) {
ie = mgt->u.assoc_req.variable;;
- event = IWEVASSOCREQIE;
+ iwm->req_ie_len =
+ le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+ kfree(iwm->req_ie);
+ iwm->req_ie = kmemdup(mgt->u.assoc_req.variable,
+ iwm->req_ie_len, GFP_KERNEL);
} else if (ieee80211_is_reassoc_req(mgt->frame_control)) {
ie = mgt->u.reassoc_req.variable;;
- event = IWEVASSOCREQIE;
+ iwm->req_ie_len =
+ le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+ kfree(iwm->req_ie);
+ iwm->req_ie = kmemdup(mgt->u.reassoc_req.variable,
+ iwm->req_ie_len, GFP_KERNEL);
} else if (ieee80211_is_assoc_resp(mgt->frame_control)) {
ie = mgt->u.assoc_resp.variable;;
- event = IWEVASSOCRESPIE;
+ iwm->resp_ie_len =
+ le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+ kfree(iwm->resp_ie);
+ iwm->resp_ie = kmemdup(mgt->u.assoc_resp.variable,
+ iwm->resp_ie_len, GFP_KERNEL);
} else if (ieee80211_is_reassoc_resp(mgt->frame_control)) {
ie = mgt->u.reassoc_resp.variable;;
- event = IWEVASSOCRESPIE;
+ iwm->resp_ie_len =
+ le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
+ kfree(iwm->resp_ie);
+ iwm->resp_ie = kmemdup(mgt->u.reassoc_resp.variable,
+ iwm->resp_ie_len, GFP_KERNEL);
} else {
- IWM_ERR(iwm, "Unsupported management frame");
+ IWM_ERR(iwm, "Unsupported management frame: 0x%x",
+ le16_to_cpu(mgt->frame_control));
return 0;
}
- wrqu.data.length = le16_to_cpu(mgt_frame->len) - (ie - (u8 *)mgt);
-
- IWM_HEXDUMP(iwm, DBG, MLME, "EVT: ", ie, wrqu.data.length);
- wireless_send_event(iwm_to_ndev(iwm), event, &wrqu, ie);
-
return 0;
}
@@ -817,8 +890,7 @@ static int iwm_ntf_mlme(struct iwm_priv *iwm, u8 *buf,
case WIFI_IF_NTFY_PROFILE_INVALIDATE_COMPLETE:
return iwm_mlme_profile_invalidate(iwm, buf, buf_size, cmd);
case WIFI_IF_NTFY_CONNECTION_TERMINATED:
- IWM_DBG_MLME(iwm, DBG, "Connection terminated\n");
- break;
+ return iwm_mlme_connection_terminated(iwm, buf, buf_size, cmd);
case WIFI_IF_NTFY_SCAN_COMPLETE:
return iwm_mlme_scan_complete(iwm, buf, buf_size, cmd);
case WIFI_IF_NTFY_STA_TABLE_CHANGE:
@@ -875,6 +947,7 @@ static int iwm_ntf_statistics(struct iwm_priv *iwm, u8 *buf,
/* UMAC passes rate info multiplies by 2 */
iwm->rate = max_rate >> 1;
}
+ iwm->txpower = le32_to_cpu(stats->tx_power);
wstats->status = 0;
@@ -922,13 +995,6 @@ static int iwm_ntf_eeprom_proxy(struct iwm_priv *iwm, u8 *buf,
if ((hdr_offset + hdr_len) > IWM_EEPROM_LEN)
return -EINVAL;
-#ifdef CONFIG_IWM_B0_HW_SUPPORT
- if (hdr_offset == IWM_EEPROM_SKU_CAP_OFF) {
- if (eeprom_proxy->buf[0] == 0xff)
- iwm->conf.hw_b0 = 1;
- }
-#endif
-
switch (hdr_type) {
case IWM_UMAC_CMD_EEPROM_TYPE_READ:
memcpy(iwm->eeprom + hdr_offset, eeprom_proxy->buf, hdr_len);
@@ -993,12 +1059,17 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
(struct iwm_umac_wifi_if *)cmd->buf.payload;
IWM_DBG_NTF(iwm, DBG, "WIFI_IF_WRAPPER cmd is delivered to UMAC: "
- "oid is %d\n", hdr->oid);
+ "oid is 0x%x\n", hdr->oid);
+
+ if (hdr->oid <= WIFI_IF_NTFY_MAX) {
+ set_bit(hdr->oid, &iwm->wifi_ntfy[0]);
+ wake_up_interruptible(&iwm->wifi_ntfy_queue);
+ } else
+ return -EINVAL;
switch (hdr->oid) {
case UMAC_WIFI_IF_CMD_SET_PROFILE:
iwm->umac_profile_active = 1;
- wake_up_interruptible(&iwm->mlme_queue);
break;
default:
break;
@@ -1010,6 +1081,7 @@ static int iwm_ntf_wifi_if_wrapper(struct iwm_priv *iwm, u8 *buf,
static int iwm_ntf_card_state(struct iwm_priv *iwm, u8 *buf,
unsigned long buf_size, struct iwm_wifi_cmd *cmd)
{
+ struct wiphy *wiphy = iwm_to_wiphy(iwm);
struct iwm_lmac_card_state *state = (struct iwm_lmac_card_state *)
(buf + sizeof(struct iwm_umac_wifi_in_hdr));
u32 flags = le32_to_cpu(state->flags);
@@ -1018,10 +1090,7 @@ 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");
- if (flags & IWM_CARD_STATE_HW_DISABLED)
- set_bit(IWM_RADIO_RFKILL_HW, &iwm->radio);
- else
- clear_bit(IWM_RADIO_RFKILL_HW, &iwm->radio);
+ wiphy_rfkill_set_hw_state(wiphy, flags & IWM_CARD_STATE_HW_DISABLED);
return 0;
}
@@ -1362,13 +1431,13 @@ static void iwm_rx_process_packet(struct iwm_priv *iwm,
skb->dev = iwm_to_ndev(iwm);
skb->protocol = eth_type_trans(skb, ndev);
- skb->ip_summed = CHECKSUM_UNNECESSARY;
+ skb->ip_summed = CHECKSUM_NONE;
memset(skb->cb, 0, sizeof(skb->cb));
ndev->stats.rx_packets++;
ndev->stats.rx_bytes += skb->len;
- if (netif_rx(skb) == NET_RX_DROP) {
+ if (netif_rx_ni(skb) == NET_RX_DROP) {
IWM_ERR(iwm, "Packet dropped\n");
ndev->stats.rx_dropped++;
}