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authorBin Meng <bmeng@tinylab.org>2023-06-25 09:53:18 +0800
committerJason Wang <jasowang@redhat.com>2023-07-07 16:35:12 +0800
commit63b901bfd30a0975bc326ba8527880fabac2e66d (patch)
tree254af59735b880f9da003d43cf715b1fe81a874c /hw/net
parent6d0d261dbfa6122e9b3bdcab7d934ca49f069c21 (diff)
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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>
Diffstat (limited to 'hw/net')
-rw-r--r--hw/net/rtl8139.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 5f1a4d3..b4df75b 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -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)) {