From: Eric Dumazet <eric.dumazet@gmail.com>
To: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Cc: Dave Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Don Skidmore <donald.c.skidmore@intel.com>,
e1000-devel@lists.sourceforge.net,
Willem de Bruijn <willemb@google.com>,
Andi Kleen <andi@firstfloor.org>, HPA <hpa@zytor.com>,
Or Gerlitz <or.gerlitz@gmail.com>,
Eilon Greenstien <eilong@broadcom.com>,
Eliezer Tamir <eliezer@tamir.org.il>
Subject: Re: [PATCH v4 net-next 1/4] net: implement support for low latency socket polling
Date: Tue, 21 May 2013 07:35:38 -0700 [thread overview]
Message-ID: <1369146938.3301.225.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130521142650.18498.71715.stgit@ladj378.jer.intel.com>
On Tue, 2013-05-21 at 17:26 +0300, Eliezer Tamir wrote:
> +/* should be called when destroying a napi struct */
> +static inline void inc_ll_gen_id(void)
> +{
> + ll_global_gen_id++;
> +}
> +
> +static inline void skb_mark_ll(struct sk_buff *skb, struct napi_struct *napi)
> +{
> + skb->dev_ref = napi;
> + skb->ll_gen_id = SKB_LL_GEN(ll_global_gen_id);
> +}
> +
> +static inline void sk_mark_ll(struct sock *sk, struct sk_buff *skb)
> +{
> + if (skb->dev_ref && skb->ll_gen_id == SKB_LL_GEN(ll_global_gen_id)) {
> + sk->dev_ref = skb->dev_ref;
> + sk->ll_gen_id = ll_global_gen_id;
> + } else
> + sk->dev_ref = NULL; /* clear expired ref */
> +}
> +
Thats really hacky.
Please dont rush sending a new patch set every day.
next prev parent reply other threads:[~2013-05-21 14:35 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 14:26 [PATCH v4 net-next 0/4] net: low latency Ethernet device polling Eliezer Tamir
2013-05-21 14:26 ` [PATCH v4 net-next 1/4] net: implement support for low latency socket polling Eliezer Tamir
2013-05-21 14:35 ` Eric Dumazet [this message]
2013-05-21 17:23 ` Ben Hutchings
2013-05-21 17:28 ` Eliezer Tamir
2013-05-21 17:27 ` Ben Hutchings
2013-05-21 14:27 ` [PATCH v4 net-next 2/4] tcp: add TCP support for low latency receive poll Eliezer Tamir
2013-05-21 17:30 ` Ben Hutchings
2013-05-21 14:27 ` [PATCH v4 net-next 3/4] ixgbe: Add support for ndo_ll_poll Eliezer Tamir
2013-05-21 17:33 ` Ben Hutchings
2013-05-21 14:27 ` [PATCH v4 net-next 4/4] ixgbe: add extra stats " Eliezer Tamir
2013-05-23 11:00 ` [PATCH v4 net-next 0/4] net: low latency Ethernet device polling Alex Rosenbaum
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