diff options
Diffstat (limited to 'hw/net/mcf_fec.c')
| -rw-r--r-- | hw/net/mcf_fec.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/hw/net/mcf_fec.c b/hw/net/mcf_fec.c index 0ee8ad9d66..dc61bac2fc 100644 --- a/hw/net/mcf_fec.c +++ b/hw/net/mcf_fec.c @@ -23,6 +23,7 @@ do { printf("mcf_fec: " fmt , ## __VA_ARGS__); } while (0) #define DPRINTF(fmt, ...) do {} while(0) #endif +#define FEC_MAX_DESC 1024 #define FEC_MAX_FRAME_SIZE 2032 typedef struct { @@ -149,7 +150,7 @@ static void mcf_fec_do_tx(mcf_fec_state *s) uint32_t addr; mcf_fec_bd bd; int frame_size; - int len; + int len, descnt = 0; uint8_t frame[FEC_MAX_FRAME_SIZE]; uint8_t *ptr; @@ -157,7 +158,7 @@ static void mcf_fec_do_tx(mcf_fec_state *s) ptr = frame; frame_size = 0; addr = s->tx_descriptor; - while (1) { + while (descnt++ < FEC_MAX_DESC) { mcf_fec_read_bd(&bd, addr); DPRINTF("tx_bd %x flags %04x len %d data %08x\n", addr, bd.flags, bd.length, bd.data); @@ -176,7 +177,7 @@ static void mcf_fec_do_tx(mcf_fec_state *s) if (bd.flags & FEC_BD_L) { /* Last buffer in frame. */ DPRINTF("Sending packet\n"); - qemu_send_packet(qemu_get_queue(s->nic), frame, len); + qemu_send_packet(qemu_get_queue(s->nic), frame, frame_size); ptr = frame; frame_size = 0; s->eir |= FEC_INT_TXF; |