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hw/net: rtl8139: Remove the logic of padding short frames in the receive path 

Now that we have implemented unified short frames padding in the
QEMU networking codes, remove the same logic in the NIC codes.

Signed-off-by: Bin Meng <bmeng@tinylab.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Bin Meng 2023-06-25 09:53:18 +08:00 committed by Jason Wang
parent 6d0d261dbf
commit 63b901bfd3
1 changed files with 0 additions and 12 deletions
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12
hw/net/rtl8139.c
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@ -826,7 +826,6 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t
uint32_t packet_header = 0;
uint8_t buf1[MIN_BUF_SIZE + VLAN_HLEN];
static const uint8_t broadcast_macaddr[6] =
{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
@ -938,17 +937,6 @@ static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t
}
}
/* if too small buffer, then expand it
* Include some tailroom in case a vlan tag is later removed. */
if (size < MIN_BUF_SIZE + VLAN_HLEN) {
memcpy(buf1, buf, size);
memset(buf1 + size, 0, MIN_BUF_SIZE + VLAN_HLEN - size);
buf = buf1;
if (size < MIN_BUF_SIZE) {
size = MIN_BUF_SIZE;
}
}
if (rtl8139_cp_receiver_enabled(s))
{
if (!rtl8139_cp_rx_valid(s)) {