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| author | Jiri Kosina <jkosina@suse.cz> | 2011-05-18 19:06:31 +0400 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-05-18 19:06:49 +0400 |
| commit | 6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a (patch) | |
| tree | f2f77cc31b4548745778fca6a51b09e1d8a49804 /drivers/net/gianfar.c | |
| parent | b50f315cbb865079a16a12fd9ae6083f98fd592c (diff) | |
| parent | c1d10d18c542278b7fbc413c289d3cb6219da6b3 (diff) | |
| download | linux-6b7b8e488bbdedeccabdd001a78ffcbe43bb8a3a.tar.xz | |
Merge branch 'master' into upstream.
This is sync with Linus' tree to receive KEY_IMAGES definition
that went in through input tree.
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)) { |