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qlge: Fix dropping of large non-TCP/UDP frames.

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This was found with pings that were large enough to span multiple rx
buffers.  The split frame logic handles this case nicely.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Mercer 2010-02-17 06:41:21 +00:00 committed by David S. Miller
parent 8ea7a37c5a
commit c0c56955e7
1 changed files with 5 additions and 15 deletions
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20
drivers/net/qlge/qlge_main.c
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@ -2066,21 +2066,11 @@ static unsigned long ql_process_mac_rx_intr(struct ql_adapter *qdev,
ql_process_mac_rx_page(qdev, rx_ring, ib_mac_rsp,
length, vlan_id);
} else {
struct bq_desc *lbq_desc;
/* Free small buffer that holds the IAL */
lbq_desc = ql_get_curr_sbuf(rx_ring);
netif_err(qdev, rx_err, qdev->ndev,
"Dropping frame, len %d > mtu %d\n",
length, qdev->ndev->mtu);
/* Unwind the large buffers for this frame. */
while (length > 0) {
lbq_desc = ql_get_curr_lchunk(qdev, rx_ring);
length -= (length < rx_ring->lbq_buf_size) ?
length : rx_ring->lbq_buf_size;
put_page(lbq_desc->p.pg_chunk.page);
}
/* Non-TCP/UDP large frames that span multiple buffers
* can be processed corrrectly by the split frame logic.
*/
ql_process_mac_split_rx_intr(qdev, rx_ring, ib_mac_rsp,
vlan_id);
}
return (unsigned long)length;