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

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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 09:53:17 +08:00 committed by Jason Wang
parent 05db4476c5
commit 6d0d261dbf
1 changed files with 0 additions and 9 deletions
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9
hw/net/pcnet.c
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@ -987,7 +987,6 @@ ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
{
PCNetState *s = qemu_get_nic_opaque(nc);
int is_padr = 0, is_bcast = 0, is_ladr = 0;
uint8_t buf1[60];
int remaining;
int crc_err = 0;
size_t size = size_;
@ -1000,14 +999,6 @@ ssize_t pcnet_receive(NetClientState *nc, const uint8_t *buf, size_t size_)
printf("pcnet_receive size=%zu\n", size);
#endif
/* if too small buffer, then expand it */
if (size < MIN_BUF_SIZE) {
memcpy(buf1, buf, size);
memset(buf1 + size, 0, MIN_BUF_SIZE - size);
buf = buf1;
size = MIN_BUF_SIZE;
}
if (CSR_PROM(s)
|| (is_padr=padr_match(s, buf, size))
|| (is_bcast=padr_bcast(s, buf, size))