[v6,8/8] hw/net: sunhme: Remove the logic of padding short frames in the receive path

Commit Message

Bin Meng March 1, 2023, 9:02 a.m. UTC

From: Bin Meng <[e-mail]>

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 <[e-mail]>
Signed-off-by: Bin Meng <[e-mail]>
---

 hw/net/sunhme.c | 11 -----------
 1 file changed, 11 deletions(-)

Patch

diff --git a/hw/net/sunhme.c b/hw/net/sunhme.c
index 1f3d8011ae..391d26fb82 100644
--- a/hw/net/sunhme.c
+++ b/hw/net/sunhme.c
@@ -714,8 +714,6 @@  static inline void sunhme_set_rx_ring_nr(SunHMEState *s, int i)
     s->erxregs[HME_ERXI_RING >> 2] = ring;
 }
 
-#define MIN_BUF_SIZE 60
-
 static ssize_t sunhme_receive(NetClientState *nc, const uint8_t *buf,
                               size_t size)
 {
@@ -724,7 +722,6 @@  static ssize_t sunhme_receive(NetClientState *nc, const uint8_t *buf,
     dma_addr_t rb, addr;
     uint32_t intstatus, status, buffer, buffersize, sum;
     uint16_t csum;
-    uint8_t buf1[60];
     int nr, cr, len, rxoffset, csum_offset;
 
     trace_sunhme_rx_incoming(size);
@@ -775,14 +772,6 @@  static ssize_t sunhme_receive(NetClientState *nc, const uint8_t *buf,
 
     trace_sunhme_rx_filter_accept();
 
-    /* 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;
-    }
-
     rb = s->erxregs[HME_ERXI_RING >> 2] & HME_ERXI_RING_ADDR;
     nr = sunhme_get_rx_ring_count(s);
     cr = sunhme_get_rx_ring_nr(s);