From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kok, Auke" Subject: [PATCH 5/8] e1000: FIX: Don't limit descriptor size to 4kb for PCI-E adapters Date: Tue, 17 Oct 2006 12:02:43 -0700 Message-ID: <20061017190243.4194.40205.stgit@gitlost.site> References: <20061017190139.4194.20128.stgit@gitlost.site> Cc: netdev@vger.kernel.org, "Brandeburg, Jesse" , "Kok, Auke" , "Kok, Auke" , "Ronciak, John" Return-path: Received: from [63.64.152.142] ([63.64.152.142]:19470 "EHLO gitlost.site") by vger.kernel.org with ESMTP id S1751438AbWJQSyw (ORCPT ); Tue, 17 Oct 2006 14:54:52 -0400 To: "Garzik, Jeff" In-Reply-To: <20061017190139.4194.20128.stgit@gitlost.site> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 82571 and newer chispets don't need to limit desc. length to 4kb and can handle 8kb sizes. Signed-off-by: Jesse Brandeburg Signed-off-by: Auke Kok --- drivers/net/e1000/e1000_main.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index f19b43c..95bbb2d 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -2992,6 +2992,11 @@ e1000_xmit_frame(struct sk_buff *skb, st return NETDEV_TX_OK; } + /* 82571 and newer doesn't need the workaround that limited descriptor + * length to 4kB */ + if (adapter->hw.mac_type >= e1000_82571) + max_per_txd = 8192; + #ifdef NETIF_F_TSO mss = skb_shinfo(skb)->gso_size; /* The controller does a simple calculation to --- Auke Kok