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staging: vt6656: parse cts fall back out of vnt_fill_cts_head 

Creating new function vnt_fill_cts_fb_head for the fall back rates.

The check for fb_option is now done in vnt_rxtx_cts.

This fixes checkpatch warning
WARNING: else is not generally useful after a break or return
	559: FILE: drivers/staging/vt6656/rxtx.c:559:

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2015-02-01 11:59:43 +00:00 коммит произвёл Greg Kroah-Hartman
Родитель 5c9b063a0a
Коммит 1bdee70635
1 изменённых файлов: 54 добавлений и 45 удалений
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99
drivers/staging/vt6656/rxtx.c
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@ -518,60 +518,66 @@ static u16 vnt_rxtx_rts_a_fb_head(struct vnt_usb_send_context *tx_context,
return vnt_rxtx_datahead_a_fb(tx_context, &buf->data_head);
}
static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context,
union vnt_tx_data_head *head)
static u16 vnt_fill_cts_fb_head(struct vnt_usb_send_context *tx_context,
union vnt_tx_data_head *head)
{
struct vnt_private *priv = tx_context->priv;
struct vnt_cts_fb *buf = &head->cts_g_fb;
u32 cts_frame_len = 14;
u16 current_rate = tx_context->tx_rate;
if (tx_context->fb_option) {
/* Auto Fall back */
struct vnt_cts_fb *buf = &head->cts_g_fb;
/* Get SignalField,ServiceField,Length */
vnt_get_phy_field(priv, cts_frame_len,
priv->top_cck_basic_rate, PK_TYPE_11B, &buf->b);
buf->duration_ba =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA,
tx_context->pkt_type,
current_rate);
/* Get CTSDuration_ba_f0 */
buf->cts_duration_ba_f0 =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA_F0,
tx_context->pkt_type,
priv->tx_rate_fb0);
/* Get CTSDuration_ba_f1 */
buf->cts_duration_ba_f1 =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA_F1,
tx_context->pkt_type,
priv->tx_rate_fb1);
/* Get CTS Frame body */
buf->data.duration = buf->duration_ba;
buf->data.frame_control =
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
/* Get SignalField,ServiceField,Length */
vnt_get_phy_field(priv, cts_frame_len, priv->top_cck_basic_rate,
PK_TYPE_11B, &buf->b);
ether_addr_copy(buf->data.ra, priv->current_net_addr);
buf->duration_ba =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA,
tx_context->pkt_type,
current_rate);
/* Get CTSDuration_ba_f0 */
buf->cts_duration_ba_f0 =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA_F0,
tx_context->pkt_type,
priv->tx_rate_fb0);
/* Get CTSDuration_ba_f1 */
buf->cts_duration_ba_f1 =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA_F1,
tx_context->pkt_type,
priv->tx_rate_fb1);
/* Get CTS Frame body */
buf->data.duration = buf->duration_ba;
buf->data.frame_control =
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
return vnt_rxtx_datahead_g_fb(tx_context, &buf->data_head);
} else {
struct vnt_cts *buf = &head->cts_g;
/* Get SignalField,ServiceField,Length */
vnt_get_phy_field(priv, cts_frame_len,
priv->top_cck_basic_rate, PK_TYPE_11B, &buf->b);
/* Get CTSDuration_ba */
buf->duration_ba =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA,
tx_context->pkt_type,
current_rate);
/*Get CTS Frame body*/
buf->data.duration = buf->duration_ba;
buf->data.frame_control =
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
ether_addr_copy(buf->data.ra, priv->current_net_addr);
ether_addr_copy(buf->data.ra, priv->current_net_addr);
return vnt_rxtx_datahead_g_fb(tx_context, &buf->data_head);
}
return vnt_rxtx_datahead_g(tx_context, &buf->data_head);
}
static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context,
union vnt_tx_data_head *head)
{
struct vnt_private *priv = tx_context->priv;
struct vnt_cts *buf = &head->cts_g;
u32 cts_frame_len = 14;
u16 current_rate = tx_context->tx_rate;
/* Get SignalField,ServiceField,Length */
vnt_get_phy_field(priv, cts_frame_len, priv->top_cck_basic_rate,
PK_TYPE_11B, &buf->b);
/* Get CTSDuration_ba */
buf->duration_ba =
vnt_get_rtscts_duration_le(tx_context, CTSDUR_BA,
tx_context->pkt_type,
current_rate);
/*Get CTS Frame body*/
buf->data.duration = buf->duration_ba;
buf->data.frame_control =
cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
ether_addr_copy(buf->data.ra, priv->current_net_addr);
return vnt_rxtx_datahead_g(tx_context, &buf->data_head);
}
static u16 vnt_rxtx_rts(struct vnt_usb_send_context *tx_context,
@ -628,6 +634,9 @@ static u16 vnt_rxtx_cts(struct vnt_usb_send_context *tx_context,
head = &tx_head->tx_cts.tx.mic.head;
/* Fill CTS */
if (tx_context->fb_option)
return vnt_fill_cts_fb_head(tx_context, head);
return vnt_fill_cts_head(tx_context, head);
}