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p54: broken out edcf changes
This patch series hopefully increases p54's "longterm" stability. Signed-off-by: Christian Lamparter <chunkeey@web.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Christian Lamparter
John W. Linville
parent
b88b15dfbd
commit
0fdd7c5d2d
@ -49,6 +49,13 @@ struct p54_control_hdr {
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u8 data[0];
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} __attribute__ ((packed));
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struct p54_edcf_queue_param {
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__le16 aifs;
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__le16 cwmin;
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__le16 cwmax;
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__le16 txop;
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} __attribute__ ((packed));
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#define EEPROM_READBACK_LEN 0x3fc
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#define ISL38XX_DEV_FIRMWARE_ADDR 0x20000
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@ -85,13 +92,13 @@ struct p54_common {
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u8 version;
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u8 rx_antenna;
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unsigned int tx_hdr_len;
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void *cached_vdcf;
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unsigned int fw_var;
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unsigned int fw_interface;
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unsigned int output_power;
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u32 tsf_low32;
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u32 tsf_high32;
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struct ieee80211_tx_queue_stats tx_stats[8];
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struct p54_edcf_queue_param qos_params[8];
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struct ieee80211_low_level_stats stats;
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struct timer_list stats_timer;
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struct completion stats_comp;
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@ -1114,53 +1114,41 @@ do { \
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queue.txop = cpu_to_le16(_txop); \
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} while(0)
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static void p54_init_vdcf(struct ieee80211_hw *dev)
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static int p54_set_edcf(struct ieee80211_hw *dev)
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{
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struct p54_common *priv = dev->priv;
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struct p54_control_hdr *hdr;
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struct p54_tx_control_vdcf *vdcf;
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struct p54_edcf *edcf;
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/* all USB V1 adapters need a extra headroom */
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hdr = (void *)priv->cached_vdcf + priv->tx_hdr_len;
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hdr = kzalloc(priv->tx_hdr_len + sizeof(*hdr) + sizeof(*edcf),
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GFP_ATOMIC);
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if (!hdr)
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return -ENOMEM;
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hdr = (void *)hdr + priv->tx_hdr_len;
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hdr->magic1 = cpu_to_le16(0x8001);
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hdr->len = cpu_to_le16(sizeof(*vdcf));
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hdr->len = cpu_to_le16(sizeof(*edcf));
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hdr->type = cpu_to_le16(P54_CONTROL_TYPE_DCFINIT);
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hdr->req_id = cpu_to_le32(priv->rx_start);
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vdcf = (struct p54_tx_control_vdcf *) hdr->data;
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P54_SET_QUEUE(vdcf->queue[0], 0x0002, 0x0003, 0x0007, 47);
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P54_SET_QUEUE(vdcf->queue[1], 0x0002, 0x0007, 0x000f, 94);
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P54_SET_QUEUE(vdcf->queue[2], 0x0003, 0x000f, 0x03ff, 0);
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P54_SET_QUEUE(vdcf->queue[3], 0x0007, 0x000f, 0x03ff, 0);
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}
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static void p54_set_vdcf(struct ieee80211_hw *dev)
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{
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struct p54_common *priv = dev->priv;
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struct p54_control_hdr *hdr;
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struct p54_tx_control_vdcf *vdcf;
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hdr = (void *)priv->cached_vdcf + priv->tx_hdr_len;
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p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*vdcf));
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vdcf = (struct p54_tx_control_vdcf *) hdr->data;
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hdr->retry1 = hdr->retry2 = 0;
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edcf = (struct p54_edcf *)hdr->data;
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if (priv->use_short_slot) {
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vdcf->slottime = 9;
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vdcf->magic1 = 0x10;
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vdcf->magic2 = 0x00;
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edcf->slottime = 9;
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edcf->sifs = 0x10;
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edcf->eofpad = 0x00;
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} else {
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vdcf->slottime = 20;
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vdcf->magic1 = 0x0a;
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vdcf->magic2 = 0x06;
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edcf->slottime = 20;
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edcf->sifs = 0x0a;
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edcf->eofpad = 0x06;
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}
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/* (see prism54/isl_oid.h for further details) */
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vdcf->frameburst = cpu_to_le16(0);
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edcf->frameburst = cpu_to_le16(0);
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edcf->round_trip_delay = cpu_to_le16(0);
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memset(edcf->mapping, 0, sizeof(edcf->mapping));
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memcpy(edcf->queue, priv->qos_params, sizeof(edcf->queue));
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priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*vdcf), 0);
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p54_assign_address(dev, NULL, hdr, sizeof(*hdr) + sizeof(*edcf));
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priv->tx(dev, hdr, sizeof(*hdr) + sizeof(*edcf), 1);
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return 0;
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}
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static int p54_start(struct ieee80211_hw *dev)
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@ -1168,33 +1156,26 @@ static int p54_start(struct ieee80211_hw *dev)
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struct p54_common *priv = dev->priv;
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int err;
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if (!priv->cached_vdcf) {
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priv->cached_vdcf = kzalloc(sizeof(struct p54_tx_control_vdcf)+
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priv->tx_hdr_len + sizeof(struct p54_control_hdr),
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GFP_KERNEL);
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if (!priv->cached_vdcf)
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return -ENOMEM;
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}
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if (!priv->cached_stats) {
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priv->cached_stats = kzalloc(sizeof(struct p54_statistics) +
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priv->tx_hdr_len + sizeof(struct p54_control_hdr),
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GFP_KERNEL);
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if (!priv->cached_stats) {
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kfree(priv->cached_vdcf);
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priv->cached_vdcf = NULL;
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if (!priv->cached_stats)
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return -ENOMEM;
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}
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}
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err = priv->open(dev);
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if (!err)
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priv->mode = NL80211_IFTYPE_MONITOR;
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P54_SET_QUEUE(priv->qos_params[0], 0x0002, 0x0003, 0x0007, 47);
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P54_SET_QUEUE(priv->qos_params[1], 0x0002, 0x0007, 0x000f, 94);
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P54_SET_QUEUE(priv->qos_params[2], 0x0003, 0x000f, 0x03ff, 0);
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P54_SET_QUEUE(priv->qos_params[3], 0x0007, 0x000f, 0x03ff, 0);
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err = p54_set_edcf(dev);
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if (!err)
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mod_timer(&priv->stats_timer, jiffies + HZ);
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p54_init_vdcf(dev);
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mod_timer(&priv->stats_timer, jiffies + HZ);
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return err;
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}
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@ -1264,7 +1245,8 @@ static int p54_config(struct ieee80211_hw *dev, u32 changed)
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priv->rx_antenna = 2; /* automatic */
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priv->output_power = conf->power_level << 2;
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ret = p54_set_freq(dev, cpu_to_le16(conf->channel->center_freq));
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p54_set_vdcf(dev);
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if (!ret)
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ret = p54_set_edcf(dev);
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mutex_unlock(&priv->conf_mutex);
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return ret;
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}
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@ -1319,20 +1301,14 @@ static int p54_conf_tx(struct ieee80211_hw *dev, u16 queue,
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const struct ieee80211_tx_queue_params *params)
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{
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struct p54_common *priv = dev->priv;
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struct p54_tx_control_vdcf *vdcf;
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vdcf = (struct p54_tx_control_vdcf *)(((struct p54_control_hdr *)
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((void *)priv->cached_vdcf + priv->tx_hdr_len))->data);
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if ((params) && !(queue > 4)) {
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P54_SET_QUEUE(vdcf->queue[queue], params->aifs,
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P54_SET_QUEUE(priv->qos_params[queue], params->aifs,
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params->cw_min, params->cw_max, params->txop);
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} else
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return -EINVAL;
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p54_set_vdcf(dev);
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return 0;
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return p54_set_edcf(dev);
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}
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static int p54_init_xbow_synth(struct ieee80211_hw *dev)
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@ -1418,7 +1394,7 @@ static void p54_bss_info_changed(struct ieee80211_hw *dev,
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if (changed & BSS_CHANGED_ERP_SLOT) {
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priv->use_short_slot = info->use_short_slot;
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p54_set_vdcf(dev);
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p54_set_edcf(dev);
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}
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}
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@ -1499,7 +1475,6 @@ void p54_free_common(struct ieee80211_hw *dev)
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kfree(priv->iq_autocal);
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kfree(priv->output_limit);
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kfree(priv->curve_data);
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kfree(priv->cached_vdcf);
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}
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EXPORT_SYMBOL_GPL(p54_free_common);
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@ -7,8 +7,12 @@
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* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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* Copyright (c) 2007, Christian Lamparter <chunkeey@web.de>
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*
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* Based on the islsm (softmac prism54) driver, which is:
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* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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* Based on:
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* - the islsm (softmac prism54) driver, which is:
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* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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*
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* - LMAC API interface header file for STLC4560 (lmac_longbow.h)
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* Copyright (C) 2007 Conexant Systems, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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@ -286,21 +290,15 @@ struct p54_tx_control_led {
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__le16 duration;
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} __attribute__ ((packed));
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struct p54_tx_vdcf_queues {
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__le16 aifs;
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__le16 cwmin;
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__le16 cwmax;
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__le16 txop;
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} __attribute__ ((packed));
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struct p54_tx_control_vdcf {
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u8 padding;
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struct p54_edcf {
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u8 flags;
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u8 slottime;
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u8 magic1;
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u8 magic2;
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struct p54_tx_vdcf_queues queue[8];
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u8 pad2[4];
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u8 sifs;
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u8 eofpad;
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struct p54_edcf_queue_param queue[8];
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u8 mapping[4];
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__le16 frameburst;
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__le16 round_trip_delay;
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} __attribute__ ((packed));
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struct p54_statistics {
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