#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
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;
sunhme_rx_filter_accept(void) "accepting incoming frame"
sunhme_rx_desc(uint32_t addr, int offset, uint32_t status, int len, int cr, int nr) "addr 0x%"PRIx32"(+0x%x) status 0x%"PRIx32 " len %d (ring %d/%d)"
sunhme_rx_xsum_calc(uint16_t xsum) "calculated incoming xsum as 0x%x"
+sunhme_rx_norxd(void) "no free rx descriptors available"
sunhme_update_irq(uint32_t mifmask, uint32_t mif, uint32_t sebmask, uint32_t seb, int level) "mifmask: 0x%x mif: 0x%x sebmask: 0x%x seb: 0x%x level: %d"
# virtio-net.c