diff options
Diffstat (limited to 'hw/net/sunhme.c')
| -rw-r--r-- | hw/net/sunhme.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/net/sunhme.c b/hw/net/sunhme.c index cd076d642b..8b8603e696 100644 --- a/hw/net/sunhme.c +++ b/hw/net/sunhme.c @@ -44,6 +44,7 @@ #define HME_SEBI_STAT 0x100 #define HME_SEBI_STAT_LINUXBUG 0x108 #define HME_SEB_STAT_RXTOHOST 0x10000 +#define HME_SEB_STAT_NORXD 0x20000 #define HME_SEB_STAT_MIFIRQ 0x800000 #define HME_SEB_STAT_HOSTTOTX 0x1000000 #define HME_SEB_STAT_TXALL 0x2000000 @@ -787,6 +788,14 @@ static ssize_t sunhme_receive(NetClientState *nc, const uint8_t *buf, pci_dma_read(d, rb + cr * HME_DESC_SIZE, &status, 4); pci_dma_read(d, rb + cr * HME_DESC_SIZE + 4, &buffer, 4); + /* If we don't own the current descriptor then indicate overflow error */ + if (!(status & HME_XD_OWN)) { + s->sebregs[HME_SEBI_STAT >> 2] |= HME_SEB_STAT_NORXD; + sunhme_update_irq(s); + trace_sunhme_rx_norxd(); + return -1; + } + rxoffset = (s->erxregs[HME_ERXI_CFG >> 2] & HME_ERX_CFG_BYTEOFFSET) >> HME_ERX_CFG_BYTEOFFSET_SHIFT; |