diff options
| -rw-r--r-- | hw/net/opencores_eth.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/net/opencores_eth.c b/hw/net/opencores_eth.c index c2699922e6..484d113eb6 100644 --- a/hw/net/opencores_eth.c +++ b/hw/net/opencores_eth.c @@ -482,7 +482,8 @@ static NetClientInfo net_open_eth_info = { static void open_eth_start_xmit(OpenEthState *s, desc *tx) { - uint8_t buf[65536]; + uint8_t *buf = NULL; + uint8_t buffer[0x600]; unsigned len = GET_FIELD(tx->len_flags, TXD_LEN); unsigned tx_len = len; @@ -497,6 +498,11 @@ static void open_eth_start_xmit(OpenEthState *s, desc *tx) trace_open_eth_start_xmit(tx->buf_ptr, len, tx_len); + if (tx_len > sizeof(buffer)) { + buf = g_new(uint8_t, tx_len); + } else { + buf = buffer; + } if (len > tx_len) { len = tx_len; } @@ -505,6 +511,9 @@ static void open_eth_start_xmit(OpenEthState *s, desc *tx) memset(buf + len, 0, tx_len - len); } qemu_send_packet(qemu_get_queue(s->nic), buf, tx_len); + if (tx_len > sizeof(buffer)) { + g_free(buf); + } if (tx->len_flags & TXD_WR) { s->tx_desc = 0; |