diff options
Diffstat (limited to 'hw/net/fsl_etsec/rings.c')
-rw-r--r-- | hw/net/fsl_etsec/rings.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/hw/net/fsl_etsec/rings.c b/hw/net/fsl_etsec/rings.c index d4a494f..68e7b6d 100644 --- a/hw/net/fsl_etsec/rings.c +++ b/hw/net/fsl_etsec/rings.c @@ -481,40 +481,42 @@ static void rx_init_frame(eTSEC *etsec, const uint8_t *buf, size_t size) etsec->rx_buffer_len, etsec->rx_padding); } -void etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size) +ssize_t etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size) { int ring_nbr = 0; /* Always use ring0 (no filer) */ if (etsec->rx_buffer_len != 0) { RING_DEBUG("%s: We can't receive now," " a buffer is already in the pipe\n", __func__); - return; + return 0; } if (etsec->regs[RSTAT].value & 1 << (23 - ring_nbr)) { RING_DEBUG("%s: The ring is halted\n", __func__); - return; + return -1; } if (etsec->regs[DMACTRL].value & DMACTRL_GRS) { RING_DEBUG("%s: Graceful receive stop\n", __func__); - return; + return -1; } if (!(etsec->regs[MACCFG1].value & MACCFG1_RX_EN)) { RING_DEBUG("%s: MAC Receive not enabled\n", __func__); - return; + return -1; } if ((etsec->regs[RCTRL].value & RCTRL_RSF) && (size < 60)) { /* CRC is not in the packet yet, so short frame is below 60 bytes */ RING_DEBUG("%s: Drop short frame\n", __func__); - return; + return -1; } rx_init_frame(etsec, buf, size); etsec_walk_rx_ring(etsec, ring_nbr); + + return size; } void etsec_walk_rx_ring(eTSEC *etsec, int ring_nbr) @@ -644,6 +646,9 @@ void etsec_walk_rx_ring(eTSEC *etsec, int ring_nbr) } else { etsec->rx_buffer_len = 0; etsec->rx_buffer = NULL; + if (etsec->need_flush) { + qemu_flush_queued_packets(qemu_get_queue(etsec->nic)); + } } RING_DEBUG("eTSEC End of ring_write: remaining_data:%zu\n", remaining_data); |