From 15d721847f56f32fe9fd43d34db1b32b13de78dc Mon Sep 17 00:00:00 2001 From: Sathya Perla Date: Mon, 21 Mar 2011 20:49:26 +0000 Subject: [PATCH] be2net: parse vid and vtm fields of rx-compl only if vlanf bit is set Signed-off-by: Sathya Perla Signed-off-by: David S. Miller --- drivers/net/benet/be_main.c | 34 +++++++++++++++++++++++----------- 1 file changed, 23 insertions(+), 11 deletions(-) diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 7a5d6a308051..6616300f6070 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -1101,8 +1101,12 @@ static void be_parse_rx_compl_v1(struct be_adapter *adapter, AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); rxcp->pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); - rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, compl); - rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, compl); + if (rxcp->vlanf) { + rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, + compl); + rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, + compl); + } } static void be_parse_rx_compl_v0(struct be_adapter *adapter, @@ -1127,8 +1131,12 @@ static void be_parse_rx_compl_v0(struct be_adapter *adapter, AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); rxcp->pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); - rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, compl); - rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, compl); + if (rxcp->vlanf) { + rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, + compl); + rxcp->vid = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, + compl); + } } static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) @@ -1150,15 +1158,19 @@ static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) else be_parse_rx_compl_v0(adapter, compl, rxcp); - /* vlanf could be wrongly set in some cards. ignore if vtm is not set */ - if ((adapter->function_mode & 0x400) && !rxcp->vtm) - rxcp->vlanf = 0; + if (rxcp->vlanf) { + /* vlanf could be wrongly set in some cards. + * ignore if vtm is not set */ + if ((adapter->function_mode & 0x400) && !rxcp->vtm) + rxcp->vlanf = 0; - if (!lancer_chip(adapter)) - rxcp->vid = swab16(rxcp->vid); + if (!lancer_chip(adapter)) + rxcp->vid = swab16(rxcp->vid); - if ((adapter->pvid == rxcp->vid) && !adapter->vlan_tag[rxcp->vid]) - rxcp->vlanf = 0; + if ((adapter->pvid == rxcp->vid) && + !adapter->vlan_tag[rxcp->vid]) + rxcp->vlanf = 0; + } /* As the compl has been parsed, reset it; we wont touch it again */ compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0;