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staging: vt6656: rxtx.c s_vFillRTSHead Parse out struct vnt_rts_g to new functions.

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Parse out vnt_rts_g code to new function vnt_rxtx_rts_g_head.

Also create a new common calling function vnt_fill_ieee80211_rts
to fill the ieee80211_rts structure.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Malcolm Priestley 2013-08-26 11:04:50 +01:00 committed by Greg Kroah-Hartman
parent 2dc22d5a22
commit 5e67ee4956
1 changed files with 47 additions and 28 deletions
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75
drivers/staging/vt6656/rxtx.c
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@ -595,6 +595,50 @@ static u32 s_uFillDataHead(struct vnt_private *pDevice,
return 0;
}
static int vnt_fill_ieee80211_rts(struct vnt_private *priv,
struct ieee80211_rts *rts, struct ethhdr *eth_hdr,
u16 duration)
{
rts->duration = duration;
rts->frame_control = TYPE_CTL_RTS;
if (priv->eOPMode == OP_MODE_ADHOC || priv->eOPMode == OP_MODE_AP)
memcpy(rts->ra, eth_hdr->h_dest, ETH_ALEN);
else
memcpy(rts->ra, priv->abyBSSID, ETH_ALEN);
if (priv->eOPMode == OP_MODE_AP)
memcpy(rts->ta, priv->abyBSSID, ETH_ALEN);
else
memcpy(rts->ta, eth_hdr->h_source, ETH_ALEN);
return 0;
}
static int vnt_rxtx_rts_g_head(struct vnt_private *priv,
struct vnt_rts_g *buf, struct ethhdr *eth_hdr,
u8 pkt_type, u32 frame_len, int need_ack,
u16 current_rate, u8 fb_option)
{
u16 rts_frame_len = 20;
BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate,
PK_TYPE_11B, &buf->b);
BBvCalculateParameter(priv, rts_frame_len,
priv->byTopOFDMBasicRate, pkt_type, &buf->a);
buf->wDuration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len,
PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option);
buf->wDuration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len,
pkt_type, current_rate, need_ack, fb_option);
buf->wDuration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len,
pkt_type, current_rate, need_ack, fb_option);
vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->wDuration_aa);
return 0;
}
static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType,
void *pvRTS, u32 cbFrameLength, int bNeedAck,
struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption)
@ -609,35 +653,10 @@ static void s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType,
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
if (byFBOption == AUTO_FB_NONE) {
struct vnt_rts_g *pBuf = (struct vnt_rts_g *)pvRTS;
//Get SignalField,ServiceField,Length
BBvCalculateParameter(pDevice, uRTSFrameLen,
pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b);
BBvCalculateParameter(pDevice, uRTSFrameLen,
pDevice->byTopOFDMBasicRate, byPktType, &pBuf->a);
//Get Duration
pBuf->wDuration_bb = s_uGetRTSCTSDuration(pDevice, RTSDUR_BB,
cbFrameLength, PK_TYPE_11B,
pDevice->byTopCCKBasicRate, bNeedAck, byFBOption);
pBuf->wDuration_aa = s_uGetRTSCTSDuration(pDevice, RTSDUR_AA,
cbFrameLength, byPktType,
wCurrentRate, bNeedAck, byFBOption);
pBuf->wDuration_ba = s_uGetRTSCTSDuration(pDevice, RTSDUR_BA,
cbFrameLength, byPktType,
wCurrentRate, bNeedAck, byFBOption);
pBuf->data.duration = pBuf->wDuration_aa;
/*Get RTS Frame body */
pBuf->data.frame_control = TYPE_CTL_RTS;
if (pDevice->eOPMode == OP_MODE_ADHOC ||
pDevice->eOPMode == OP_MODE_AP)
memcpy(pBuf->data.ra, psEthHeader->h_dest, ETH_ALEN);
else
memcpy(pBuf->data.ra, pDevice->abyBSSID, ETH_ALEN);
if (pDevice->eOPMode == OP_MODE_AP)
memcpy(pBuf->data.ta, pDevice->abyBSSID, ETH_ALEN);
else
memcpy(pBuf->data.ta, psEthHeader->h_source, ETH_ALEN);
vnt_rxtx_rts_g_head(pDevice, pBuf,
psEthHeader, byPktType, cbFrameLength,
bNeedAck, wCurrentRate, byFBOption);
}
else {
struct vnt_rts_g_fb *pBuf = (struct vnt_rts_g_fb *)pvRTS;