Release 4.7 drivers/staging/vt6656/int.c
/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*
* File: int.c
*
* Purpose: Handle USB interrupt endpoint
*
* Author: Jerry Chen
*
* Date: Apr. 2, 2004
*
* Functions:
*
* Revision History:
* 04-02-2004 Jerry Chen: Initial release
*
*/
#include "int.h"
#include "mac.h"
#include "power.h"
#include "usbpipe.h"
static const u8 fallback_rate0[5][5] = {
{RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
{RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
{RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
{RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
{RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
};
static const u8 fallback_rate1[5][5] = {
{RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
{RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
{RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
{RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
{RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
};
void vnt_int_start_interrupt(struct vnt_private *priv)
{
unsigned long flags;
int status;
dev_dbg(&priv->usb->dev, "---->Interrupt Polling Thread\n");
spin_lock_irqsave(&priv->lock, flags);
status = vnt_start_interrupt_urb(priv);
spin_unlock_irqrestore(&priv->lock, flags);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| malcolm priestley | malcolm priestley | 27 | 48.21% | 6 | 66.67% |
| forest bond | forest bond | 26 | 46.43% | 1 | 11.11% |
| andres more | andres more | 3 | 5.36% | 2 | 22.22% |
| Total | 56 | 100.00% | 9 | 100.00% |
static int vnt_int_report_rate(struct vnt_private *priv, u8 pkt_no, u8 tsr)
{
struct vnt_usb_send_context *context;
struct ieee80211_tx_info *info;
struct ieee80211_rate *rate;
u8 tx_retry = (tsr & 0xf0) >> 4;
s8 idx;
if (pkt_no >= priv->num_tx_context)
return -EINVAL;
context = priv->tx_context[pkt_no];
if (!context->skb)
return -EINVAL;
info = IEEE80211_SKB_CB(context->skb);
idx = info->control.rates[0].idx;
if (context->fb_option && !(tsr & (TSR_TMO | TSR_RETRYTMO))) {
u8 tx_rate;
u8 retry = tx_retry;
rate = ieee80211_get_tx_rate(priv->hw, info);
tx_rate = rate->hw_value - RATE_18M;
if (retry > 4)
retry = 4;
if (context->fb_option == AUTO_FB_0)
tx_rate = fallback_rate0[tx_rate][retry];
else if (context->fb_option == AUTO_FB_1)
tx_rate = fallback_rate1[tx_rate][retry];
if (info->band == NL80211_BAND_5GHZ)
idx = tx_rate - RATE_6M;
else
idx = tx_rate;
}
ieee80211_tx_info_clear_status(info);
info->status.rates[0].count = tx_retry;
if (!(tsr & (TSR_TMO | TSR_RETRYTMO))) {
info->status.rates[0].idx = idx;
info->flags |= IEEE80211_TX_STAT_ACK;
}
ieee80211_tx_status_irqsafe(priv->hw, context->skb);
context->in_use = false;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| malcolm priestley | malcolm priestley | 283 | 99.65% | 3 | 75.00% |
| johannes berg | johannes berg | 1 | 0.35% | 1 | 25.00% |
| Total | 284 | 100.00% | 4 | 100.00% |
void vnt_int_process_data(struct vnt_private *priv)
{
struct vnt_interrupt_data *int_data;
struct ieee80211_low_level_stats *low_stats = &priv->low_stats;
dev_dbg(&priv->usb->dev, "---->s_nsInterruptProcessData\n");
int_data = (struct vnt_interrupt_data *)priv->int_buf.data_buf;
if (int_data->tsr0 & TSR_VALID)
vnt_int_report_rate(priv, int_data->pkt0, int_data->tsr0);
if (int_data->tsr1 & TSR_VALID)
vnt_int_report_rate(priv, int_data->pkt1, int_data->tsr1);
if (int_data->tsr2 & TSR_VALID)
vnt_int_report_rate(priv, int_data->pkt2, int_data->tsr2);
if (int_data->tsr3 & TSR_VALID)
vnt_int_report_rate(priv, int_data->pkt3, int_data->tsr3);
if (int_data->isr0 != 0) {
if (int_data->isr0 & ISR_BNTX &&
priv->op_mode == NL80211_IFTYPE_AP)
vnt_schedule_command(priv, WLAN_CMD_BECON_SEND);
if (int_data->isr0 & ISR_TBTT &&
priv->hw->conf.flags & IEEE80211_CONF_PS) {
if (!priv->wake_up_count)
priv->wake_up_count =
priv->hw->conf.listen_interval;
--priv->wake_up_count;
/* Turn on wake up to listen next beacon */
if (priv->wake_up_count == 1)
vnt_schedule_command(priv,
WLAN_CMD_TBTT_WAKEUP);
}
priv->current_tsf = le64_to_cpu(int_data->tsf);
low_stats->dot11RTSSuccessCount += int_data->rts_success;
low_stats->dot11RTSFailureCount += int_data->rts_fail;
low_stats->dot11ACKFailureCount += int_data->ack_fail;
low_stats->dot11FCSErrorCount += int_data->fcs_err;
}
priv->int_buf.in_use = false;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| malcolm priestley | malcolm priestley | 175 | 63.41% | 15 | 78.95% |
| forest bond | forest bond | 93 | 33.70% | 1 | 5.26% |
| jim lieb | jim lieb | 6 | 2.17% | 1 | 5.26% |
| andres more | andres more | 1 | 0.36% | 1 | 5.26% |
| marcos paulo de souza | marcos paulo de souza | 1 | 0.36% | 1 | 5.26% |
| Total | 276 | 100.00% | 19 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| malcolm priestley | malcolm priestley | 631 | 81.42% | 21 | 72.41% |
| forest bond | forest bond | 131 | 16.90% | 1 | 3.45% |
| jim lieb | jim lieb | 6 | 0.77% | 1 | 3.45% |
| andres more | andres more | 4 | 0.52% | 3 | 10.34% |
| marcos paulo de souza | marcos paulo de souza | 1 | 0.13% | 1 | 3.45% |
| othmar pasteka | othmar pasteka | 1 | 0.13% | 1 | 3.45% |
| johannes berg | johannes berg | 1 | 0.13% | 1 | 3.45% |
| Total | 775 | 100.00% | 29 | 100.00% |
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