qoriq eth.c bugfix: handle received corrupted frames correctly

The rxbd is not correctly handled in case of a frame physical error
(FPE) or frame size error (FSE). The rxbd must be cleared and
advanced in case of an error to avoid receive stall.

Signed-off-by: Daniel Inderbitzin <daniel.inderbitzin@gmail.com>
This commit is contained in:
Daniel Inderbitzin 2015-07-10 14:06:02 +02:00 committed by Joe Hershberger
parent 1a791892dc
commit 466f775e02

View File

@ -520,6 +520,7 @@ static int fm_eth_recv(struct eth_device *dev)
u16 status, len; u16 status, len;
u8 *data; u8 *data;
u16 offset_out; u16 offset_out;
int ret = 1;
fm_eth = (struct fm_eth *)dev->priv; fm_eth = (struct fm_eth *)dev->priv;
pram = fm_eth->rx_pram; pram = fm_eth->rx_pram;
@ -533,7 +534,7 @@ static int fm_eth_recv(struct eth_device *dev)
net_process_received_packet(data, len); net_process_received_packet(data, len);
} else { } else {
printf("%s: Rx error\n", dev->name); printf("%s: Rx error\n", dev->name);
return 0; ret = 0;
} }
/* clear the RxBDs */ /* clear the RxBDs */
@ -559,7 +560,7 @@ static int fm_eth_recv(struct eth_device *dev)
} }
fm_eth->cur_rxbd = (void *)rxbd; fm_eth->cur_rxbd = (void *)rxbd;
return 1; return ret;
} }
static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg) static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)