diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 25 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 11 |
3 files changed, 22 insertions, 23 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 1933113d7baf..86ded4066f5b 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1140,15 +1140,12 @@ static void rt2500usb_fill_rxdone(struct data_entry *entry, desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS); /* - * Trim the skb to clear the descriptor area. - */ - skb_pull(entry->skb, entry->ring->desc_size); - - /* * Set descriptor and data pointer. */ - skbdesc->desc = entry->skb->data + skbdesc->data_len; + skbdesc->desc = entry->skb->data + desc->size; + skbdesc->desc_len = entry->ring->desc_size; skbdesc->data = entry->skb->data; + skbdesc->data_len = desc->size; } /* diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index d7d3a271b1b0..a52939aa38af 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -257,6 +257,13 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) if (urb->actual_length < entry->ring->desc_size || urb->status) goto skip_entry; + /* + * Fill in skb descriptor + */ + skbdesc = get_skb_desc(entry->skb); + skbdesc->ring = ring; + skbdesc->entry = entry; + memset(&desc, 0, sizeof(desc)); rt2x00dev->ops->lib->fill_rxdone(entry, &desc); @@ -283,9 +290,6 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) /* * The data behind the ieee80211 header must be * aligned on a 4 byte boundary. - * After that trim the entire buffer down to only - * contain the valid frame data excluding the device - * descriptor. */ hdr = (struct ieee80211_hdr *)entry->skb->data; header_size = @@ -295,16 +299,17 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) skb_push(entry->skb, 2); memmove(entry->skb->data, entry->skb->data + 2, skb->len - 2); } - skb_trim(entry->skb, desc.size); /* - * Fill in skb descriptor + * Trim the entire buffer down to only contain the valid frame data + * excluding the device descriptor. The position of the descriptor + * varies. This means that we should check where the descriptor is + * and decide if we need to pull the data pointer to exclude the + * device descriptor. */ - skbdesc = get_skb_desc(entry->skb); - skbdesc->desc_len = entry->ring->desc_size; - skbdesc->data_len = entry->skb->len; - skbdesc->ring = ring; - skbdesc->entry = entry; + if (skbdesc->data > skbdesc->desc) + skb_pull(entry->skb, skbdesc->desc_len); + skb_trim(entry->skb, desc.size); /* * Send the frame to rt2x00lib for further processing. diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index f9518764aeb0..4d576ab3e7f9 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1398,15 +1398,12 @@ static void rt73usb_fill_rxdone(struct data_entry *entry, desc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS); /* - * Pull the skb to clear the descriptor area. - */ - skb_pull(entry->skb, entry->ring->desc_size); - - /* * Set descriptor and data pointer. */ - skbdesc->desc = entry->skb->data - skbdesc->desc_len; - skbdesc->data = entry->skb->data; + skbdesc->desc = entry->skb->data; + skbdesc->desc_len = entry->ring->desc_size; + skbdesc->data = entry->skb->data + entry->ring->desc_size; + skbdesc->data_len = desc->size; } /* |