/*
- Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/slab.h>
#include "rt2x00.h"
#include "rt2x00lib.h"
{
struct rt2x00_dev *rt2x00dev = data;
struct rt2x00_intf *intf = vif_to_intf(vif);
- struct ieee80211_bss_conf conf;
int delayed_flags;
/*
*/
spin_lock(&intf->lock);
- memcpy(&conf, &vif->bss_conf, sizeof(conf));
delayed_flags = intf->delayed_flags;
intf->delayed_flags = 0;
if (delayed_flags & DELAYED_UPDATE_BEACON)
rt2x00queue_update_beacon(rt2x00dev, vif, true);
-
- if (delayed_flags & DELAYED_CONFIG_ERP)
- rt2x00lib_config_erp(rt2x00dev, intf, &conf);
-
- if (delayed_flags & DELAYED_LED_ASSOC)
- rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated);
}
static void rt2x00lib_intf_scheduled(struct work_struct *work)
enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);
unsigned int header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
u8 rate_idx, rate_flags, retry_rates;
+ u8 skbdesc_flags = skbdesc->flags;
unsigned int i;
+ bool success;
/*
* Unmap the skb.
* Remove L2 padding which was added during
*/
if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
- rt2x00queue_payload_align(entry->skb, true, header_length);
+ rt2x00queue_remove_l2pad(entry->skb, header_length);
/*
* If the IV/EIV data was stripped from the frame before it was
rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TXDONE, entry->skb);
/*
- * Update TX statistics.
+ * Determine if the frame has been successfully transmitted.
*/
- rt2x00dev->link.qual.tx_success +=
+ success =
test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags);
- rt2x00dev->link.qual.tx_failed +=
- test_bit(TXDONE_FAILURE, &txdesc->flags);
+ test_bit(TXDONE_UNKNOWN, &txdesc->flags) ||
+ test_bit(TXDONE_FALLBACK, &txdesc->flags);
+
+ /*
+ * Update TX statistics.
+ */
+ rt2x00dev->link.qual.tx_success += success;
+ rt2x00dev->link.qual.tx_failed += !success;
rate_idx = skbdesc->tx_rate_idx;
rate_flags = skbdesc->tx_rate_flags;
tx_info->status.rates[i].flags = rate_flags;
tx_info->status.rates[i].count = 1;
}
- if (i < (IEEE80211_TX_MAX_RATES -1))
+ if (i < (IEEE80211_TX_MAX_RATES - 1))
tx_info->status.rates[i].idx = -1; /* terminate */
if (!(tx_info->flags & IEEE80211_TX_CTL_NO_ACK)) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags))
+ if (success)
tx_info->flags |= IEEE80211_TX_STAT_ACK;
- else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
+ else
rt2x00dev->low_level_stats.dot11ACKFailureCount++;
}
if (rate_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- if (test_bit(TXDONE_SUCCESS, &txdesc->flags) ||
- test_bit(TXDONE_UNKNOWN, &txdesc->flags))
+ if (success)
rt2x00dev->low_level_stats.dot11RTSSuccessCount++;
- else if (test_bit(TXDONE_FAILURE, &txdesc->flags))
+ else
rt2x00dev->low_level_stats.dot11RTSFailureCount++;
}
/*
- * Only send the status report to mac80211 when TX status was
- * requested by it. If this was a extra frame coming through
- * a mac80211 library call (RTS/CTS) then we should not send the
- * status report back.
+ * Only send the status report to mac80211 when it's a frame
+ * that originated in mac80211. If this was a extra frame coming
+ * through a mac80211 library call (RTS/CTS) then we should not
+ * send the status report back.
*/
- if (tx_info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)
+ if (!(skbdesc_flags & SKBDESC_NOT_MAC80211))
ieee80211_tx_status_irqsafe(rt2x00dev->hw, entry->skb);
else
dev_kfree_skb_irq(entry->skb);
struct sk_buff *skb;
struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
unsigned int header_length;
- bool l2pad;
int rate_idx;
/*
* Allocate a new sk_buffer. If no new buffer available, drop the
memset(&rxdesc, 0, sizeof(rxdesc));
rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc);
- /* Trim buffer to correct size */
- skb_trim(entry->skb, rxdesc.size);
-
/*
* The data behind the ieee80211 header must be
* aligned on a 4 byte boundary.
*/
header_length = ieee80211_get_hdrlen_from_skb(entry->skb);
- l2pad = !!(rxdesc.dev_flags & RXDONE_L2PAD);
/*
* Hardware might have stripped the IV/EIV/ICV data,
* in that case it is possible that the data was
- * provided seperately (through hardware descriptor)
+ * provided separately (through hardware descriptor)
* in which case we should reinsert the data into the frame.
*/
if ((rxdesc.dev_flags & RXDONE_CRYPTO_IV) &&
(rxdesc.flags & RX_FLAG_IV_STRIPPED))
- rt2x00crypto_rx_insert_iv(entry->skb, l2pad, header_length,
+ rt2x00crypto_rx_insert_iv(entry->skb, header_length,
&rxdesc);
+ else if (header_length &&
+ (rxdesc.size > header_length) &&
+ (rxdesc.dev_flags & RXDONE_L2PAD))
+ rt2x00queue_remove_l2pad(entry->skb, header_length);
else
- rt2x00queue_payload_align(entry->skb, l2pad, header_length);
+ rt2x00queue_align_payload(entry->skb, header_length);
+
+ /* Trim buffer to correct size */
+ skb_trim(entry->skb, rxdesc.size);
/*
* Check if the frame was received using HT. In that case,
rx_status->mactime = rxdesc.timestamp;
rx_status->rate_idx = rate_idx;
- rx_status->qual = rt2x00link_calculate_signal(rt2x00dev, rxdesc.rssi);
rx_status->signal = rxdesc.rssi;
rx_status->noise = rxdesc.noise;
rx_status->flag = rxdesc.flags;
rt2x00dev->hw->queues = rt2x00dev->ops->tx_queues;
/*
+ * Initialize extra TX headroom required.
+ */
+ rt2x00dev->hw->extra_tx_headroom =
+ max_t(unsigned int, IEEE80211_TX_STATUS_HEADROOM,
+ rt2x00dev->ops->extra_tx_headroom);
+
+ /*
+ * Take TX headroom required for alignment into account.
+ */
+ if (test_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_L2PAD_SIZE;
+ else if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags))
+ rt2x00dev->hw->extra_tx_headroom += RT2X00_ALIGN_SIZE;
+
+ /*
* Register HW.
*/
status = ieee80211_register_hw(rt2x00dev->hw);
mutex_init(&rt2x00dev->csr_mutex);
+ set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
+
/*
* Make room for rt2x00_intf inside the per-interface
* structure ieee80211_vif.
rt2x00leds_register(rt2x00dev);
rt2x00debug_register(rt2x00dev);
- set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
-
return 0;
exit:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff