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hw/net/stellaris_enet: Correct handling of packet padding 

The PADEN bit in the transmit control register enables padding of short
data packets out to the required minimum length. However a typo here
meant we were adjusting tx_fifo_len rather than tx_frame_len, so the
padding didn't actually happen. Fix this bug.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: qemu-stable@nongnu.org
This commit is contained in:
Peter Maydell 2014-05-13 16:09:36 +01:00
parent 5c10495ab1
commit 7fd5f064d1
1 changed files with 1 additions and 1 deletions
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2
hw/net/stellaris_enet.c
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@ -265,7 +265,7 @@ static void stellaris_enet_write(void *opaque, hwaddr offset,
s->tx_frame_len -= 4;
if ((s->tctl & SE_TCTL_PADEN) && s->tx_frame_len < 60) {
memset(&s->tx_fifo[s->tx_frame_len], 0, 60 - s->tx_frame_len);
s->tx_fifo_len = 60;
s->tx_frame_len = 60;
}
qemu_send_packet(qemu_get_queue(s->nic), s->tx_fifo,
s->tx_frame_len);