提交 9ea7d6cb 编写于 作者: J Jeff Garzik

Merge branch 'fixes-jgarzik' of...

Merge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into upstream-fixes
......@@ -257,7 +257,7 @@ static const struct rt2x00debug rt2500usb_rt2x00debug = {
static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev,
__le32 *mac)
{
rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, &mac,
rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
(3 * sizeof(__le16)));
}
......
......@@ -124,7 +124,10 @@ void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
struct data_entry *entry;
struct data_desc *rxd;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
struct rxdata_entry_desc desc;
int header_size;
int align;
u32 word;
while (1) {
......@@ -138,17 +141,26 @@ void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
memset(&desc, 0x00, sizeof(desc));
rt2x00dev->ops->lib->fill_rxdone(entry, &desc);
hdr = (struct ieee80211_hdr *)entry->data_addr;
header_size =
ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
/*
* The data behind the ieee80211 header must be
* aligned on a 4 byte boundary.
*/
align = NET_IP_ALIGN + (2 * (header_size % 4 == 0));
/*
* Allocate the sk_buffer, initialize it and copy
* all data into it.
*/
skb = dev_alloc_skb(desc.size + NET_IP_ALIGN);
skb = dev_alloc_skb(desc.size + align);
if (!skb)
return;
skb_reserve(skb, NET_IP_ALIGN);
skb_put(skb, desc.size);
memcpy(skb->data, entry->data_addr, desc.size);
skb_reserve(skb, align);
memcpy(skb_put(skb, desc.size), entry->data_addr, desc.size);
/*
* Send the frame to rt2x00lib for further processing.
......
......@@ -221,7 +221,9 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb)
struct data_ring *ring = entry->ring;
struct rt2x00_dev *rt2x00dev = ring->rt2x00dev;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
struct rxdata_entry_desc desc;
int header_size;
int frame_size;
if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
......@@ -253,9 +255,20 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb)
skb_put(skb, frame_size);
/*
* Trim the skb_buffer to only contain the valid
* frame data (so ignore the device's descriptor).
* 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 =
ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
if (header_size % 4 == 0) {
skb_push(entry->skb, 2);
memmove(entry->skb->data, entry->skb->data + 2, skb->len - 2);
}
skb_trim(entry->skb, desc.size);
/*
......
......@@ -1738,6 +1738,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
{
struct data_ring *ring;
struct data_entry *entry;
struct data_entry *entry_done;
struct data_desc *txd;
u32 word;
u32 reg;
......@@ -1791,6 +1792,17 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
!rt2x00_get_field32(word, TXD_W0_VALID))
return;
entry_done = rt2x00_get_data_entry_done(ring);
while (entry != entry_done) {
/* Catch up. Just report any entries we missed as
* failed. */
WARNING(rt2x00dev,
"TX status report missed for entry %p\n",
entry_done);
rt2x00lib_txdone(entry_done, TX_FAIL_OTHER, 0);
entry_done = rt2x00_get_data_entry_done(ring);
}
/*
* Obtain the status about this packet.
*/
......
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