staging: vt6656: move need_ack into into vnt_usb_send_context

Fixing need_ack to u8 and removing from function declarations.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/vt6656/device.h b/drivers/staging/vt6656/device.h
index 0d5ecd6..9d42877 100644 (file)
--- a/drivers/staging/vt6656/device.h
+++ b/drivers/staging/vt6656/device.h
@@ -236,6 +236,7 @@ struct vnt_usb_send_context {
        u8 type;
        u8 pkt_no;
        u8 pkt_type;
+       u8 need_ack;
        u8 fb_option;
        bool in_use;
        unsigned char data[MAX_TOTAL_SIZE_WITH_ALL_HEADERS];

diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index 7906251..81086ab 100644 (file)
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -255,12 +255,13 @@ static u16 vnt_mac_hdr_pos(struct vnt_usb_send_context *tx_context,
 
 static u16 vnt_rxtx_datahead_g(struct vnt_usb_send_context *tx_context,
                u16 rate, struct vnt_tx_datahead_g *buf,
-               u32 frame_len, int need_ack)
+               u32 frame_len)
 {
 
        struct vnt_private *priv = tx_context->priv;
        struct ieee80211_hdr *hdr =
                                (struct ieee80211_hdr *)tx_context->skb->data;
+       u8 need_ack = tx_context->need_ack;
 
        /* Get SignalField,ServiceField,Length */
        vnt_get_phy_field(priv, frame_len, rate, tx_context->pkt_type, &buf->a);
@@ -291,9 +292,10 @@ static u16 vnt_rxtx_datahead_g(struct vnt_usb_send_context *tx_context,
 
 static u16 vnt_rxtx_datahead_g_fb(struct vnt_usb_send_context *tx_context,
                u16 rate, struct vnt_tx_datahead_g_fb *buf,
-               u32 frame_len, int need_ack)
+               u32 frame_len)
 {
        struct vnt_private *priv = tx_context->priv;
+       u8 need_ack = tx_context->need_ack;
 
        /* Get SignalField,ServiceField,Length */
        vnt_get_phy_field(priv, frame_len, rate, tx_context->pkt_type, &buf->a);
@@ -322,10 +324,11 @@ static u16 vnt_rxtx_datahead_g_fb(struct vnt_usb_send_context *tx_context,
 
 static u16 vnt_rxtx_datahead_a_fb(struct vnt_usb_send_context *tx_context,
                u16 rate, struct vnt_tx_datahead_a_fb *buf,
-               u32 frame_len, int need_ack)
+               u32 frame_len)
 {
        struct vnt_private *priv = tx_context->priv;
        u8 pkt_type = tx_context->pkt_type;
+       u8 need_ack = tx_context->need_ack;
 
        /* Get SignalField,ServiceField,Length */
        vnt_get_phy_field(priv, frame_len, rate, pkt_type, &buf->a);
@@ -344,11 +347,12 @@ static u16 vnt_rxtx_datahead_a_fb(struct vnt_usb_send_context *tx_context,
 
 static u16 vnt_rxtx_datahead_ab(struct vnt_usb_send_context *tx_context,
                u16 rate, struct vnt_tx_datahead_ab *buf,
-               u32 frame_len, int need_ack)
+               u32 frame_len)
 {
        struct vnt_private *priv = tx_context->priv;
        struct ieee80211_hdr *hdr =
                                (struct ieee80211_hdr *)tx_context->skb->data;
+       u8 need_ack = tx_context->need_ack;
 
        /* Get SignalField,ServiceField,Length */
        vnt_get_phy_field(priv, frame_len, rate,
@@ -388,10 +392,12 @@ static int vnt_fill_ieee80211_rts(struct vnt_usb_send_context *tx_context,
 }
 
 static u16 vnt_rxtx_rts_g_head(struct vnt_usb_send_context *tx_context,
-       struct vnt_rts_g *buf, u32 frame_len, int need_ack, u16 current_rate)
+       struct vnt_rts_g *buf, u32 frame_len, u16 current_rate)
 {
        struct vnt_private *priv = tx_context->priv;
        u16 rts_frame_len = 20;
+       u8 need_ack = tx_context->need_ack;
+
 
        vnt_get_phy_field(priv, rts_frame_len, priv->top_cck_basic_rate,
                PK_TYPE_11B, &buf->b);
@@ -408,14 +414,16 @@ static u16 vnt_rxtx_rts_g_head(struct vnt_usb_send_context *tx_context,
        vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration_aa);
 
        return vnt_rxtx_datahead_g(tx_context, current_rate, &buf->data_head,
-                                  frame_len, need_ack);
+                                  frame_len);
 }
 
 static u16 vnt_rxtx_rts_g_fb_head(struct vnt_usb_send_context *tx_context,
-       struct vnt_rts_g_fb *buf, u32 frame_len, int need_ack, u16 current_rate)
+       struct vnt_rts_g_fb *buf, u32 frame_len, u16 current_rate)
 {
        struct vnt_private *priv = tx_context->priv;
        u16 rts_frame_len = 20;
+       u8 need_ack = tx_context->need_ack;
+
 
        vnt_get_phy_field(priv, rts_frame_len, priv->top_cck_basic_rate,
                PK_TYPE_11B, &buf->b);
@@ -441,15 +449,16 @@ static u16 vnt_rxtx_rts_g_fb_head(struct vnt_usb_send_context *tx_context,
        vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration_aa);
 
        return vnt_rxtx_datahead_g_fb(tx_context, current_rate, &buf->data_head,
-                                     frame_len, need_ack);
+                                     frame_len);
 }
 
 static u16 vnt_rxtx_rts_ab_head(struct vnt_usb_send_context *tx_context,
-       struct vnt_rts_ab *buf, u32 frame_len, int need_ack,
-       u16 current_rate)
+       struct vnt_rts_ab *buf, u32 frame_len, u16 current_rate)
 {
        struct vnt_private *priv = tx_context->priv;
        u16 rts_frame_len = 20;
+       u8 need_ack = tx_context->need_ack;
+
 
        vnt_get_phy_field(priv, rts_frame_len, priv->top_ofdm_basic_rate,
                          tx_context->pkt_type, &buf->ab);
@@ -461,14 +470,16 @@ static u16 vnt_rxtx_rts_ab_head(struct vnt_usb_send_context *tx_context,
        vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration);
 
        return vnt_rxtx_datahead_ab(tx_context, current_rate,
-                                   &buf->data_head, frame_len, need_ack);
+                                   &buf->data_head, frame_len);
 }
 
 static u16 vnt_rxtx_rts_a_fb_head(struct vnt_usb_send_context *tx_context,
-       struct vnt_rts_a_fb *buf, u32 frame_len, int need_ack, u16 current_rate)
+       struct vnt_rts_a_fb *buf, u32 frame_len, u16 current_rate)
 {
        struct vnt_private *priv = tx_context->priv;
        u16 rts_frame_len = 20;
+       u8 need_ack = tx_context->need_ack;
+
 
        vnt_get_phy_field(priv, rts_frame_len,
                priv->top_ofdm_basic_rate, tx_context->pkt_type, &buf->a);
@@ -486,15 +497,16 @@ static u16 vnt_rxtx_rts_a_fb_head(struct vnt_usb_send_context *tx_context,
        vnt_fill_ieee80211_rts(tx_context, &buf->data, buf->duration);
 
        return vnt_rxtx_datahead_a_fb(tx_context, current_rate, &buf->data_head,
-                                     frame_len, need_ack);
+                                     frame_len);
 }
 
 static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context,
-       union vnt_tx_data_head *head, u32 frame_len,
-       int need_ack, u16 current_rate)
+       union vnt_tx_data_head *head, u32 frame_len, u16 current_rate)
 {
        struct vnt_private *priv = tx_context->priv;
        u32 cts_frame_len = 14;
+       u8 need_ack = tx_context->need_ack;
+
 
        if (!head)
                return 0;
@@ -524,8 +536,7 @@ static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context,
                memcpy(buf->data.ra, priv->current_net_addr, ETH_ALEN);
 
                return vnt_rxtx_datahead_g_fb(tx_context, current_rate,
-                                             &buf->data_head, frame_len,
-                                             need_ack);
+                                             &buf->data_head, frame_len);
        } else {
                struct vnt_cts *buf = &head->cts_g;
                /* Get SignalField,ServiceField,Length */
@@ -543,19 +554,20 @@ static u16 vnt_fill_cts_head(struct vnt_usb_send_context *tx_context,
                memcpy(buf->data.ra, priv->current_net_addr, ETH_ALEN);
 
                return vnt_rxtx_datahead_g(tx_context, current_rate,
-                               &buf->data_head, frame_len, need_ack);
+                                          &buf->data_head, frame_len);
         }
 
        return 0;
 }
 
 static u16 vnt_rxtx_rts(struct vnt_usb_send_context *tx_context,
-       union vnt_tx_head *tx_head, u32 frame_size, int need_ack,
+       union vnt_tx_head *tx_head, u32 frame_size,
        u16 current_rate, bool need_mic)
 {
        struct vnt_private *priv = tx_context->priv;
        struct vnt_rrv_time_rts *buf = &tx_head->tx_rts.rts;
        union vnt_tx_data_head *head = &tx_head->tx_rts.tx.head;
+       u8 need_ack = tx_context->need_ack;
 
        buf->rts_rrv_time_aa = vnt_get_rtscts_rsvtime_le(priv, 2,
                        tx_context->pkt_type, frame_size, current_rate);
@@ -575,19 +587,21 @@ static u16 vnt_rxtx_rts(struct vnt_usb_send_context *tx_context,
 
        if (tx_context->fb_option)
                return vnt_rxtx_rts_g_fb_head(tx_context, &head->rts_g_fb,
-                                       frame_size, need_ack, current_rate);
+                                       frame_size, current_rate);
 
        return vnt_rxtx_rts_g_head(tx_context, &head->rts_g, frame_size,
-                                  need_ack, current_rate);
+                                  current_rate);
 }
 
 static u16 vnt_rxtx_cts(struct vnt_usb_send_context *tx_context,
-       union vnt_tx_head *tx_head, u32 frame_size, int need_ack,
+       union vnt_tx_head *tx_head, u32 frame_size,
        u16 current_rate, bool need_mic)
 {
        struct vnt_private *priv = tx_context->priv;
        struct vnt_rrv_time_cts *buf = &tx_head->tx_cts.cts;
        union vnt_tx_data_head *head = &tx_head->tx_cts.tx.head;
+       u8 need_ack = tx_context->need_ack;
+
 
        buf->rrv_time_a = vnt_rxtx_rsvtime_le16(priv, tx_context->pkt_type,
                                        frame_size, current_rate, need_ack);
@@ -601,17 +615,17 @@ static u16 vnt_rxtx_cts(struct vnt_usb_send_context *tx_context,
                head = &tx_head->tx_cts.tx.mic.head;
 
        /* Fill CTS */
-       return vnt_fill_cts_head(tx_context,
-                                head, frame_size, need_ack, current_rate);
+       return vnt_fill_cts_head(tx_context, head, frame_size, current_rate);
 }
 
 static u16 vnt_rxtx_ab(struct vnt_usb_send_context *tx_context,
        union vnt_tx_head *tx_head, u32 frame_size,
-       int need_ack, u16 current_rate, bool need_rts, bool need_mic)
+       u16 current_rate, bool need_rts, bool need_mic)
 {
        struct vnt_private *priv = tx_context->priv;
        struct vnt_rrv_time_ab *buf = &tx_head->tx_ab.ab;
        union vnt_tx_data_head *head = &tx_head->tx_ab.tx.head;
+       u8 need_ack = tx_context->need_ack;
 
        buf->rrv_time = vnt_rxtx_rsvtime_le16(priv, tx_context->pkt_type,
                        frame_size, current_rate, need_ack);
@@ -631,26 +645,25 @@ static u16 vnt_rxtx_ab(struct vnt_usb_send_context *tx_context,
                    tx_context->pkt_type == PK_TYPE_11A)
                        return vnt_rxtx_rts_a_fb_head(tx_context,
                                                      &head->rts_a_fb,
-                                                     frame_size, need_ack,
-                                                     current_rate);
+                                                     frame_size, current_rate);
 
                return vnt_rxtx_rts_ab_head(tx_context, &head->rts_ab,
-                                           frame_size, need_ack, current_rate);
+                                           frame_size, current_rate);
        }
 
        if (tx_context->pkt_type == PK_TYPE_11A)
                return vnt_rxtx_datahead_a_fb(tx_context, current_rate,
                                              &head->data_head_a_fb,
-                                             frame_size, need_ack);
+                                             frame_size);
 
        return vnt_rxtx_datahead_ab(tx_context, current_rate,
-                                   &head->data_head_ab, frame_size, need_ack);
+                                   &head->data_head_ab, frame_size);
 }
 
 static u16 vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context,
        u16 current_rate, struct vnt_tx_buffer *tx_buffer,
        struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 frame_size,
-       int need_ack, bool need_rts)
+       bool need_rts)
 {
 
        if (tx_context->pkt_type == PK_TYPE_11GB ||
@@ -661,22 +674,21 @@ static u16 vnt_generate_tx_parameter(struct vnt_usb_send_context *tx_context,
                                                tx_head.tx_rts.tx.mic.hdr;
 
                        return vnt_rxtx_rts(tx_context, &tx_buffer->tx_head,
-                                           frame_size, need_ack, current_rate,
-                                           need_mic);
+                                           frame_size, current_rate, need_mic);
                }
 
                if (need_mic)
                        *mic_hdr = &tx_buffer->tx_head.tx_cts.tx.mic.hdr;
 
                return vnt_rxtx_cts(tx_context, &tx_buffer->tx_head, frame_size,
-                                   need_ack, current_rate, need_mic);
+                                   current_rate, need_mic);
        }
 
        if (need_mic)
                *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr;
 
        return vnt_rxtx_ab(tx_context, &tx_buffer->tx_head, frame_size,
-                          need_ack, current_rate, need_rts, need_mic);
+                          current_rate, need_rts, need_mic);
 }
 
 static void vnt_fill_txkey(struct vnt_usb_send_context *tx_context,
@@ -763,7 +775,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
        u32 frame_size = 0;
        u16 tx_bytes, tx_header_size, tx_body_size, current_rate, duration_id;
        u8 pkt_type, fb_option = AUTO_FB_NONE;
-       bool need_rts = false, need_ack = false, is_pspoll = false;
+       bool need_rts = false, is_pspoll = false;
        bool need_mic = false;
 
        hdr = (struct ieee80211_hdr *)(skb->data);
@@ -793,6 +805,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
 
        tx_context->skb = skb;
        tx_context->pkt_type = pkt_type;
+       tx_context->need_ack = false;
 
        spin_unlock_irqrestore(&priv->lock, flags);
 
@@ -826,7 +839,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
 
        if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
                tx_buffer_head->wFIFOCtl |= FIFOCTL_NEEDACK;
-               need_ack = true;
+               tx_context->need_ack = true;
        }
 
        if (ieee80211_has_retry(hdr->frame_control))
@@ -899,7 +912,7 @@ int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
 
        duration_id = vnt_generate_tx_parameter(tx_context, current_rate,
                                                tx_buffer, &mic_hdr, need_mic,
-                                               frame_size, need_ack, need_rts);
+                                               frame_size, need_rts);
 
        tx_header_size = tx_context->tx_hdr_size;
        if (!tx_header_size) {