summaryrefslogtreecommitdiff
path: root/drivers/net/wireless
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/wl12xx/boot.c2
-rw-r--r--drivers/net/wireless/wl12xx/event.c6
-rw-r--r--drivers/net/wireless/wl12xx/event.h5
-rw-r--r--drivers/net/wireless/wl12xx/io.h1
-rw-r--r--drivers/net/wireless/wl12xx/main.c42
-rw-r--r--drivers/net/wireless/wl12xx/tx.c75
-rw-r--r--drivers/net/wireless/wl12xx/tx.h6
7 files changed, 116 insertions, 21 deletions
diff --git a/drivers/net/wireless/wl12xx/boot.c b/drivers/net/wireless/wl12xx/boot.c
index 9d742c1e75a9..34bf2fe47dc7 100644
--- a/drivers/net/wireless/wl12xx/boot.c
+++ b/drivers/net/wireless/wl12xx/boot.c
@@ -482,6 +482,8 @@ static int wl1271_boot_run_firmware(struct wl1271 *wl)
if (wl->bss_type == BSS_TYPE_AP_BSS)
wl->event_mask |= STA_REMOVE_COMPLETE_EVENT_ID;
+ else
+ wl->event_mask |= DUMMY_PACKET_EVENT_ID;
ret = wl1271_event_unmask(wl);
if (ret < 0) {
diff --git a/drivers/net/wireless/wl12xx/event.c b/drivers/net/wireless/wl12xx/event.c
index 1b170c5cc595..413d901985fe 100644
--- a/drivers/net/wireless/wl12xx/event.c
+++ b/drivers/net/wireless/wl12xx/event.c
@@ -228,6 +228,12 @@ static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
wl1271_event_rssi_trigger(wl, mbox);
}
+ if ((vector & DUMMY_PACKET_EVENT_ID) && !is_ap) {
+ wl1271_debug(DEBUG_EVENT, "DUMMY_PACKET_ID_EVENT_ID");
+ if (wl->vif)
+ wl1271_tx_dummy_packet(wl);
+ }
+
if (wl->vif && beacon_loss)
ieee80211_connection_loss(wl->vif);
diff --git a/drivers/net/wireless/wl12xx/event.h b/drivers/net/wireless/wl12xx/event.h
index 0e80886f3031..b6cf06e565a4 100644
--- a/drivers/net/wireless/wl12xx/event.h
+++ b/drivers/net/wireless/wl12xx/event.h
@@ -59,7 +59,10 @@ enum {
BSS_LOSE_EVENT_ID = BIT(18),
REGAINED_BSS_EVENT_ID = BIT(19),
ROAMING_TRIGGER_MAX_TX_RETRY_EVENT_ID = BIT(20),
- STA_REMOVE_COMPLETE_EVENT_ID = BIT(21), /* AP */
+ /* STA: dummy paket for dynamic mem blocks */
+ DUMMY_PACKET_EVENT_ID = BIT(21),
+ /* AP: STA remove complete */
+ STA_REMOVE_COMPLETE_EVENT_ID = BIT(21),
SOFT_GEMINI_SENSE_EVENT_ID = BIT(22),
SOFT_GEMINI_PREDICTION_EVENT_ID = BIT(23),
SOFT_GEMINI_AVALANCHE_EVENT_ID = BIT(24),
diff --git a/drivers/net/wireless/wl12xx/io.h b/drivers/net/wireless/wl12xx/io.h
index 84454f6d8169..e6199eb51936 100644
--- a/drivers/net/wireless/wl12xx/io.h
+++ b/drivers/net/wireless/wl12xx/io.h
@@ -170,5 +170,6 @@ struct ieee80211_hw *wl1271_alloc_hw(void);
int wl1271_free_hw(struct wl1271 *wl);
irqreturn_t wl1271_irq(int irq, void *data);
bool wl1271_set_block_size(struct wl1271 *wl);
+int wl1271_tx_dummy_packet(struct wl1271 *wl);
#endif
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 3c381ceadb98..54ac6757c39b 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1174,6 +1174,48 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
+#define TX_DUMMY_PACKET_SIZE 1400
+int wl1271_tx_dummy_packet(struct wl1271 *wl)
+{
+ struct sk_buff *skb = NULL;
+ struct ieee80211_hdr_3addr *hdr;
+ int ret = 0;
+
+ skb = dev_alloc_skb(
+ sizeof(struct wl1271_tx_hw_descr) + sizeof(*hdr) +
+ TX_DUMMY_PACKET_SIZE);
+ if (!skb) {
+ wl1271_warning("failed to allocate buffer for dummy packet");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ skb_reserve(skb, sizeof(struct wl1271_tx_hw_descr));
+
+ hdr = (struct ieee80211_hdr_3addr *) skb_put(skb, sizeof(*hdr));
+ memset(hdr, 0, sizeof(*hdr));
+ hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
+ IEEE80211_FCTL_TODS |
+ IEEE80211_STYPE_NULLFUNC);
+
+ memcpy(hdr->addr1, wl->bssid, ETH_ALEN);
+ memcpy(hdr->addr2, wl->mac_addr, ETH_ALEN);
+ memcpy(hdr->addr3, wl->bssid, ETH_ALEN);
+
+ skb_put(skb, TX_DUMMY_PACKET_SIZE);
+
+ memset(skb->data, 0, TX_DUMMY_PACKET_SIZE);
+
+ skb->pkt_type = TX_PKT_TYPE_DUMMY_REQ;
+ /* CONF_TX_AC_VO */
+ skb->queue_mapping = 0;
+
+ wl1271_op_tx(wl->hw, skb);
+
+out:
+ return ret;
+}
+
static struct notifier_block wl1271_dev_notifier = {
.notifier_call = wl1271_dev_notify,
};
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index afc8505abeb6..75222a681296 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -215,13 +215,29 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct sk_buff *skb,
else
desc->life_time = cpu_to_le16(TX_HW_AP_MODE_PKT_LIFETIME_TU);
- /* configure the tx attributes */
- tx_attr = wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER;
-
/* queue (we use same identifiers for tid's and ac's */
ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb));
desc->tid = ac;
+ if (skb->pkt_type == TX_PKT_TYPE_DUMMY_REQ) {
+ /*
+ * FW expects the dummy packet to have an invalid session id -
+ * any session id that is different than the one set in the join
+ */
+ tx_attr = ((~wl->session_counter) <<
+ TX_HW_ATTR_OFST_SESSION_COUNTER) &
+ TX_HW_ATTR_SESSION_COUNTER;
+
+ tx_attr |= TX_HW_ATTR_TX_DUMMY_REQ;
+
+ /* Dummy packets require the TID to be management */
+ desc->tid = WL1271_TID_MGMT;
+ } else {
+ /* configure the tx attributes */
+ tx_attr =
+ wl->session_counter << TX_HW_ATTR_OFST_SESSION_COUNTER;
+ }
+
if (wl->bss_type != BSS_TYPE_AP_BSS) {
desc->aid = hlid;
@@ -587,6 +603,12 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
skb = wl->tx_frames[id];
info = IEEE80211_SKB_CB(skb);
+ if (skb->pkt_type == TX_PKT_TYPE_DUMMY_REQ) {
+ dev_kfree_skb(skb);
+ wl1271_free_tx_id(wl, id);
+ return;
+ }
+
/* update the TX status info */
if (result->status == TX_SUCCESS) {
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
@@ -716,10 +738,15 @@ void wl1271_tx_reset(struct wl1271 *wl)
while ((skb = skb_dequeue(&wl->tx_queue[i]))) {
wl1271_debug(DEBUG_TX, "freeing skb 0x%p",
skb);
- info = IEEE80211_SKB_CB(skb);
- info->status.rates[0].idx = -1;
- info->status.rates[0].count = 0;
- ieee80211_tx_status(wl->hw, skb);
+
+ if (skb->pkt_type == TX_PKT_TYPE_DUMMY_REQ) {
+ dev_kfree_skb(skb);
+ } else {
+ info = IEEE80211_SKB_CB(skb);
+ info->status.rates[0].idx = -1;
+ info->status.rates[0].count = 0;
+ ieee80211_tx_status(wl->hw, skb);
+ }
}
}
}
@@ -740,21 +767,29 @@ void wl1271_tx_reset(struct wl1271 *wl)
wl1271_free_tx_id(wl, i);
wl1271_debug(DEBUG_TX, "freeing skb 0x%p", skb);
- /* Remove private headers before passing the skb to mac80211 */
- info = IEEE80211_SKB_CB(skb);
- skb_pull(skb, sizeof(struct wl1271_tx_hw_descr));
- if (info->control.hw_key &&
- info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) {
- int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- memmove(skb->data + WL1271_TKIP_IV_SPACE, skb->data,
- hdrlen);
- skb_pull(skb, WL1271_TKIP_IV_SPACE);
- }
+ if (skb->pkt_type == TX_PKT_TYPE_DUMMY_REQ) {
+ dev_kfree_skb(skb);
+ } else {
+ /*
+ * Remove private headers before passing the skb to
+ * mac80211
+ */
+ info = IEEE80211_SKB_CB(skb);
+ skb_pull(skb, sizeof(struct wl1271_tx_hw_descr));
+ if (info->control.hw_key &&
+ info->control.hw_key->cipher ==
+ WLAN_CIPHER_SUITE_TKIP) {
+ int hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+ memmove(skb->data + WL1271_TKIP_IV_SPACE,
+ skb->data, hdrlen);
+ skb_pull(skb, WL1271_TKIP_IV_SPACE);
+ }
- info->status.rates[0].idx = -1;
- info->status.rates[0].count = 0;
+ info->status.rates[0].idx = -1;
+ info->status.rates[0].count = 0;
- ieee80211_tx_status(wl->hw, skb);
+ ieee80211_tx_status(wl->hw, skb);
+ }
}
}
diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h
index e31317717ab2..6f45e9108d9a 100644
--- a/drivers/net/wireless/wl12xx/tx.h
+++ b/drivers/net/wireless/wl12xx/tx.h
@@ -41,6 +41,9 @@
BIT(8) | BIT(9))
#define TX_HW_ATTR_LAST_WORD_PAD (BIT(10) | BIT(11))
#define TX_HW_ATTR_TX_CMPLT_REQ BIT(12)
+#define TX_HW_ATTR_TX_DUMMY_REQ BIT(13)
+
+#define TX_PKT_TYPE_DUMMY_REQ 5
#define TX_HW_ATTR_OFST_SAVE_RETRIES 0
#define TX_HW_ATTR_OFST_HEADER_PAD 1
@@ -55,6 +58,9 @@
#define WL1271_TX_ALIGN_TO 4
#define WL1271_TKIP_IV_SPACE 4
+/* Used for management frames and dummy packets */
+#define WL1271_TID_MGMT 7
+
struct wl127x_tx_mem {
/*
* Number of extra memory blocks to allocate for this packet
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 06:55:34 +0000