diff options
| author |   Jiri Kosina <jkosina@suse.cz> | 2011-04-26 10:22:15 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-04-26 10:22:59 +0200 |
| commit | 07f9479a40cc778bc1462ada11f95b01360ae4ff (patch) | |
| tree | 0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /drivers/net/gianfar.c | |
| parent | ath9k_hw: don't touch with treewide double semicolon removal (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6 (diff) | |
| download | wireguard-linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.tar.xz wireguard-linux-07f9479a40cc778bc1462ada11f95b01360ae4ff.zip | |
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.
Diffstat (limited to 'drivers/net/gianfar.c')
| -rw-r--r-- | drivers/net/gianfar.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index ccb231c4d933..2a0ad9a501bb 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -949,6 +949,11 @@ static void gfar_detect_errata(struct gfar_private *priv) (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0)) priv->errata |= GFAR_ERRATA_A002; + /* MPC8313 Rev < 2.0, MPC8548 rev 2.0 */ + if ((pvr == 0x80850010 && mod == 0x80b0 && rev < 0x0020) || + (pvr == 0x80210020 && mod == 0x8030 && rev == 0x0020)) + priv->errata |= GFAR_ERRATA_12; + if (priv->errata) dev_info(dev, "enabled errata workarounds, flags: 0x%x\n", priv->errata); @@ -2154,8 +2159,15 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Set up checksumming */ if (CHECKSUM_PARTIAL == skb->ip_summed) { fcb = gfar_add_fcb(skb); - lstatus |= BD_LFLAG(TXBD_TOE); - gfar_tx_checksum(skb, fcb); + /* as specified by errata */ + if (unlikely(gfar_has_errata(priv, GFAR_ERRATA_12) + && ((unsigned long)fcb % 0x20) > 0x18)) { + __skb_pull(skb, GMAC_FCB_LEN); + skb_checksum_help(skb); + } else { + lstatus |= BD_LFLAG(TXBD_TOE); + gfar_tx_checksum(skb, fcb); + } } if (vlan_tx_tag_present(skb)) { |