From 466f775e02bcde5ea7454cd73ecf1a0f79275a30 Mon Sep 17 00:00:00 2001 From: Daniel Inderbitzin Date: Fri, 10 Jul 2015 14:06:02 +0200 Subject: 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 --- drivers/net/fm/eth.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/net/fm/eth.c') diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c index d7a37f39a8..6702f5a520 100644 --- a/drivers/net/fm/eth.c +++ b/drivers/net/fm/eth.c @@ -520,6 +520,7 @@ static int fm_eth_recv(struct eth_device *dev) u16 status, len; u8 *data; u16 offset_out; + int ret = 1; fm_eth = (struct fm_eth *)dev->priv; pram = fm_eth->rx_pram; @@ -533,7 +534,7 @@ static int fm_eth_recv(struct eth_device *dev) net_process_received_packet(data, len); } else { printf("%s: Rx error\n", dev->name); - return 0; + ret = 0; } /* clear the RxBDs */ @@ -559,7 +560,7 @@ static int fm_eth_recv(struct eth_device *dev) } 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) -- cgit v1.2.1