2013-09-26 17:49:54

by Malcolm Priestley

Subject: [PATCH 2/5] staging: vt6656: rxtx.c create structure to join vnt_tx_data_head with vnt_tx_head.

Create struct vnt_tx_mic_hdr for with union vnt_tx_data_head
for mic mode.

Create union vnt_tx for mic and non mic mode.

Attach vnt_rrv_time_* to relevant tx_head.

Signed-off-by: Malcolm Priestley <[email protected]>
---
drivers/staging/vt6656/rxtx.c | 12 ++++++------
drivers/staging/vt6656/rxtx.h | 25 ++++++++++++++++++++++---
2 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 7b05ee8..c80a809 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -870,7 +870,7 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice,
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
if (need_rts) {
//Fill RsvTime
- struct vnt_rrv_time_rts *pBuf = &tx_buffer->tx_head.rts;
+ struct vnt_rrv_time_rts *pBuf = &tx_buffer->tx_head.tx_rts.rts;

pBuf->wRTSTxRrvTime_aa = s_uGetRTSCTSRsvTime(pDevice, 2,
byPktType, cbFrameSize, wCurrentRate);
@@ -889,7 +889,7 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice,
}
else {//RTS_needless, PCF mode
//Fill RsvTime
- struct vnt_rrv_time_cts *pBuf = &tx_buffer->tx_head.cts;
+ struct vnt_rrv_time_cts *pBuf = &tx_buffer->tx_head.tx_cts.cts;

pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, byPktType,
cbFrameSize, wCurrentRate, bNeedACK);
@@ -906,7 +906,7 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice,
else if (byPktType == PK_TYPE_11A) {
if (need_rts) {
//Fill RsvTime
- struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.ab;
+ struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab;

pBuf->wRTSTxRrvTime = s_uGetRTSCTSRsvTime(pDevice, 2,
byPktType, cbFrameSize, wCurrentRate);
@@ -917,7 +917,7 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice,
bNeedACK, psEthHeader, wCurrentRate, byFBOption);
} else {
//Fill RsvTime
- struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.ab;
+ struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab;

pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11A,
cbFrameSize, wCurrentRate, bNeedACK);
@@ -926,7 +926,7 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice,
else if (byPktType == PK_TYPE_11B) {
if (need_rts) {
//Fill RsvTime
- struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.ab;
+ struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab;

pBuf->wRTSTxRrvTime = s_uGetRTSCTSRsvTime(pDevice, 0,
byPktType, cbFrameSize, wCurrentRate);
@@ -938,7 +938,7 @@ static void s_vGenerateTxParameter(struct vnt_private *pDevice,
}
else { //RTS_needless, non PCF mode
//Fill RsvTime
- struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.ab;
+ struct vnt_rrv_time_ab *pBuf = &tx_buffer->tx_head.tx_ab.ab;

pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, PK_TYPE_11B,
cbFrameSize, wCurrentRate, bNeedACK);
diff --git a/drivers/staging/vt6656/rxtx.h b/drivers/staging/vt6656/rxtx.h
index 78b7b74..bbda9a3 100644
--- a/drivers/staging/vt6656/rxtx.h
+++ b/drivers/staging/vt6656/rxtx.h
@@ -180,10 +180,29 @@ union vnt_tx_data_head {
struct vnt_cts_fb cts_g_fb;
};

+struct vnt_tx_mic_hdr {
+ struct vnt_mic_hdr hdr;
+ union vnt_tx_data_head head;
+} __packed;
+
+union vnt_tx {
+ struct vnt_tx_mic_hdr mic;
+ union vnt_tx_data_head head;
+};
+
union vnt_tx_head {
- struct vnt_rrv_time_rts rts;
- struct vnt_rrv_time_cts cts;
- struct vnt_rrv_time_ab ab;
+ struct {
+ struct vnt_rrv_time_rts rts;
+ union vnt_tx tx;
+ } __packed tx_rts;
+ struct {
+ struct vnt_rrv_time_cts cts;
+ union vnt_tx tx;
+ } __packed tx_cts;
+ struct {
+ struct vnt_rrv_time_ab ab;
+ union vnt_tx tx;
+ } __packed tx_ab;
};

struct vnt_tx_fifo_head {
--
1.8.3.2