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authorAuke Kok <auke-jan.h.kok@intel.com>2008-07-08 15:08:29 -0700
committerJeff Garzik <jgarzik@redhat.com>2008-07-11 01:20:31 -0400
commit87cb7e8cc59c89ccdcf243671c932179bb651a71 (patch)
tree7065eab557f93ad9d07465b9fa5b66923739775d /drivers/net/igb
parentfe4506b6a2f9716ef62583020581ae2032573fed (diff)
downloadblackbird-op-linux-87cb7e8cc59c89ccdcf243671c932179bb651a71.tar.gz
blackbird-op-linux-87cb7e8cc59c89ccdcf243671c932179bb651a71.zip
igb: reenable CRC stripping in hardware
We can remove a clunky workaround for not having the hardware strip the CRC. 82575 silicon as well as the older PCI Express e1000e hardware all work OK in this respect. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/igb')
-rw-r--r--drivers/net/igb/igb_main.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e8ef5410591a..ae329c02eaef 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1664,10 +1664,12 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
- /* disable the stripping of CRC because it breaks
- * BMC firmware connected over SMBUS
- rctl |= E1000_RCTL_SECRC;
+ /*
+ * enable stripping of CRC. It's unlikely this will break BMC
+ * redirection as it did with e1000. Newer features require
+ * that the HW strips the CRC.
*/
+ rctl |= E1000_RCTL_SECRC;
rctl &= ~E1000_RCTL_SBP;
@@ -3743,7 +3745,6 @@ static bool igb_clean_rx_irq_adv(struct igb_ring *rx_ring,
}
}
send_up:
- pskb_trim(skb, skb->len - 4);
i++;
if (i == rx_ring->count)
i = 0;
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