diff mbox series

[PULL,06/15] hw/net: pcnet: Remove the logic of padding short frames in the receive path

Message ID 20230707090628.2210346-7-jasowang@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/15] virtio-net: correctly report maximum tx_queue_size value | expand

Commit Message

Jason Wang July 7, 2023, 9:06 a.m. UTC 
From: Bin Meng <bmeng@tinylab.org>

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>
---
 hw/net/pcnet.c | 9 ---------
 1 file changed, 9 deletions(-)
diff mbox series

Patch

diff --git a/hw/net/pcnet.c b/hw/net/pcnet.c
index d456094..02828ae 100644
--- a/hw/net/pcnet.c
+++ b/hw/net/pcnet.c
@@ -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))