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Date: Sun, 25 Apr 2010 17:19:59 +0800 From: xiaohui.xin@...el.com To: netdev@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, mst@...hat.com, mingo@...e.hu, davem@...emloft.net, jdike@...ux.intel.com Cc: Xin Xiaohui <xiaohui.xin@...el.com> Subject: [RFC][PATCH v4 12/18] To skip GRO if buffer is external. From: Xin Xiaohui <xiaohui.xin@...el.com> Signed-off-by: Xin Xiaohui <xiaohui.xin@...el.com> Signed-off-by: Zhao Yu <yzhao81@...il.com> Reviewed-by: Jeff Dike <jdike@...ux.intel.com> --- net/core/dev.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/net/core/dev.c b/net/core/dev.c index 3e3ad23..f275c44 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2780,6 +2780,10 @@ enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb) if (skb_is_gso(skb) || skb_has_frags(skb)) goto normal; + /* currently GRO is not supported by mediate passthru */ + if (dev_is_mpassthru(skb->dev)) + goto normal; + rcu_read_lock(); list_for_each_entry_rcu(ptype, head, list) { if (ptype->type != type || ptype->dev || !ptype->gro_receive) -- 1.5.4.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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