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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-28 21:01:26 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-09-28 21:01:26 +0200 |
commit | a2724f28d9f99b7b42e800b528902f0e3321873b (patch) | |
tree | b4431876af950c16ea6af3a8f2864a4ae494bc62 /drivers/net/e1000e/netdev.c | |
parent | Merge branch 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/ti... (diff) | |
parent | tcp: Fix >4GB writes on 64-bit. (diff) | |
download | linux-a2724f28d9f99b7b42e800b528902f0e3321873b.tar.xz linux-a2724f28d9f99b7b42e800b528902f0e3321873b.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
tcp: Fix >4GB writes on 64-bit.
net/9p: Mount only matching virtio channels
de2104x: fix ethtool
tproxy: check for transparent flag in ip_route_newports
ipv6: add IPv6 to neighbour table overflow warning
tcp: fix TSO FACK loss marking in tcp_mark_head_lost
3c59x: fix regression from patch "Add ethtool WOL support"
ipv6: add a missing unregister_pernet_subsys call
s390: use free_netdev(netdev) instead of kfree()
sgiseeq: use free_netdev(netdev) instead of kfree()
rionet: use free_netdev(netdev) instead of kfree()
ibm_newemac: use free_netdev(netdev) instead of kfree()
smsc911x: Add MODULE_ALIAS()
net: reset skb queue mapping when rx'ing over tunnel
br2684: fix scheduling while atomic
de2104x: fix TP link detection
de2104x: fix power management
de2104x: disable autonegotiation on broken hardware
net: fix a lockdep splat
e1000e: 82579 do not gate auto config of PHY by hardware during nominal use
...
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r-- | drivers/net/e1000e/netdev.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 2b8ef44bd2b1..e561d15c3eb1 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -2704,6 +2704,16 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) u32 psrctl = 0; u32 pages = 0; + /* Workaround Si errata on 82579 - configure jumbo frame flow */ + if (hw->mac.type == e1000_pch2lan) { + s32 ret_val; + + if (adapter->netdev->mtu > ETH_DATA_LEN) + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); + else + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); + } + /* Program MC offset vector base */ rctl = er32(RCTL); rctl &= ~(3 << E1000_RCTL_MO_SHIFT); @@ -2744,16 +2754,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) e1e_wphy(hw, 22, phy_data); } - /* Workaround Si errata on 82579 - configure jumbo frame flow */ - if (hw->mac.type == e1000_pch2lan) { - s32 ret_val; - - if (rctl & E1000_RCTL_LPE) - ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); - else - ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); - } - /* Setup buffer sizes */ rctl &= ~E1000_RCTL_SZ_4096; rctl |= E1000_RCTL_BSEX; @@ -4833,6 +4833,15 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu) return -EINVAL; } + /* Jumbo frame workaround on 82579 requires CRC be stripped */ + if ((adapter->hw.mac.type == e1000_pch2lan) && + !(adapter->flags2 & FLAG2_CRC_STRIPPING) && + (new_mtu > ETH_DATA_LEN)) { + e_err("Jumbo Frames not supported on 82579 when CRC " + "stripping is disabled.\n"); + return -EINVAL; + } + /* 82573 Errata 17 */ if (((adapter->hw.mac.type == e1000_82573) || (adapter->hw.mac.type == e1000_82574)) && |