2020-05-21 09:42:43

by Malcolm Priestley

[permalink] [raw]
Subject: [PATCH 05/10] staging: vt6656: rxtx use ieee80211_tx_info for rts/cts control

Use the control for rts/cts exhanges replacing need_rts and use_cts_prot for
packet type PK_TYPE_11GB / PK_TYPE_11GA

Signed-off-by: Malcolm Priestley <[email protected]>
---
drivers/staging/vt6656/rxtx.c | 24 ++++++++++--------------
1 file changed, 10 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index ea5bcc772668..310d0eccebd1 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -338,8 +338,7 @@ static void vnt_rxtx_cts(struct vnt_usb_send_context *tx_context,
}

static void vnt_rxtx_ab(struct vnt_usb_send_context *tx_context,
- union vnt_tx_head *tx_head,
- bool need_rts)
+ union vnt_tx_head *tx_head)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_context->skb);
struct vnt_rrv_time_ab *buf = &tx_head->tx_ab.ab;
@@ -352,7 +351,7 @@ static void vnt_rxtx_ab(struct vnt_usb_send_context *tx_context,
head = &tx_head->tx_ab.tx.mic.head;
}

- if (need_rts) {
+ if (info->control.use_rts) {
buf->rts_rrv_time = vnt_get_rts_duration(tx_context);

vnt_rxtx_rts_ab_head(tx_context, &head->rts_ab);
@@ -364,12 +363,12 @@ static void vnt_rxtx_ab(struct vnt_usb_send_context *tx_context,
}

static void vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context,
- struct vnt_tx_buffer *tx_buffer,
- bool need_rts)
+ struct vnt_tx_buffer *tx_buffer)
{
- if (tx_context->pkt_type == PK_TYPE_11GB ||
- tx_context->pkt_type == PK_TYPE_11GA) {
- if (need_rts) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_context->skb);
+
+ if (info->control.use_cts_prot) {
+ if (info->control.use_rts) {
vnt_rxtx_rts(tx_context, &tx_buffer->tx_head);

return;
@@ -380,7 +379,7 @@ static void vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context,
return;
}

- vnt_rxtx_ab(tx_context, &tx_buffer->tx_head, need_rts);
+ vnt_rxtx_ab(tx_context, &tx_buffer->tx_head);
}

static void vnt_fill_txkey(struct vnt_tx_buffer *tx_buffer,
@@ -507,7 +506,6 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
unsigned long flags;
u16 tx_bytes, tx_header_size, tx_body_size;
u8 pkt_type;
- bool need_rts = false;

hdr = (struct ieee80211_hdr *)(skb->data);

@@ -594,10 +592,8 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
if (ieee80211_has_retry(hdr->frame_control))
tx_buffer_head->fifo_ctl |= cpu_to_le16(FIFOCTL_LRETRY);

- if (tx_rate->flags & IEEE80211_TX_RC_USE_RTS_CTS) {
- need_rts = true;
+ if (info->control.use_rts)
tx_buffer_head->fifo_ctl |= cpu_to_le16(FIFOCTL_RTS);
- }

if (ieee80211_has_a4(hdr->frame_control))
tx_buffer_head->fifo_ctl |= cpu_to_le16(FIFOCTL_LHEAD);
@@ -625,7 +621,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)

tx_buffer_head->current_rate = cpu_to_le16(rate->hw_value);

- vnt_generate_tx_parameter(tx_context, tx_buffer, need_rts);
+ vnt_generate_tx_parameter(tx_context, tx_buffer);

tx_buffer_head->frag_ctl |= cpu_to_le16(FRAGCTL_NONFRAG);

--
2.25.1