From: Patrick McHardy <kaber@trash.net>
To: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
jamal <hadi@cyberus.ca>
Subject: Re: [PKT_SCHED]: Add stateless NAT
Date: Thu, 27 Sep 2007 15:16:48 +0200 [thread overview]
Message-ID: <46FBAD40.8040806@trash.net> (raw)
In-Reply-To: <20070927131008.GA15997@2ka.mipt.ru>
Evgeniy Polyakov wrote:
> +static inline void nf_csum_replace4(__sum16 *sum, __be32 from, __be32 to)
> +{
> + __be32 diff[] = { ~from, to };
> +
> + *sum = csum_fold(csum_partial((char *)diff, sizeof(diff), ~csum_unfold(*sum)));
> +}
> +
> +static inline void nf_csum_replace2(__sum16 *sum, __be16 from, __be16 to)
> +{
> + nf_csum_replace4(sum, (__force __be32)from, (__force __be32)to);
> +}
> +
> +static inline void nf_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
> + __be32 from, __be32 to, int pseudohdr)
> +{
> + __be32 diff[] = { ~from, to };
> + if (skb->ip_summed != CHECKSUM_PARTIAL) {
> + *sum = csum_fold(csum_partial(diff, sizeof(diff),
> + ~csum_unfold(*sum)));
> + if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr)
> + skb->csum = ~csum_partial(diff, sizeof(diff),
> + ~skb->csum);
> + } else if (pseudohdr)
> + *sum = ~csum_fold(csum_partial(diff, sizeof(diff),
> + csum_unfold(*sum)));
> +}
> +
> +static inline void nf_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,
> + __be16 from, __be16 to, int pseudohdr)
> +{
> + nf_proto_csum_replace4(sum, skb, (__force __be32)from,
> + (__force __be32)to, pseudohdr);
> +}
These are way too large to get inlined, please move somewhere below
net/core.
next prev parent reply other threads:[~2007-09-27 13:17 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-27 7:34 [PKT_SCHED]: Add stateless NAT Herbert Xu
2007-09-27 9:25 ` Evgeniy Polyakov
2007-09-27 9:33 ` Herbert Xu
2007-09-27 10:07 ` Evgeniy Polyakov
2007-09-27 10:29 ` Herbert Xu
2007-09-27 12:41 ` Evgeniy Polyakov
2007-09-27 12:45 ` Herbert Xu
2007-09-27 13:10 ` Evgeniy Polyakov
2007-09-27 13:16 ` Patrick McHardy [this message]
2007-09-27 13:25 ` Evgeniy Polyakov
2007-09-27 13:30 ` Patrick McHardy
2007-09-27 13:33 ` Evgeniy Polyakov
2007-09-27 13:34 ` jamal
2007-09-27 13:20 ` Herbert Xu
2007-09-27 13:29 ` Evgeniy Polyakov
2007-09-27 13:39 ` Patrick McHardy
2007-09-27 19:52 ` David Miller
2007-09-28 8:19 ` Evgeniy Polyakov
2007-09-28 9:16 ` Evgeniy Polyakov
2007-09-28 16:31 ` Patrick McHardy
2007-09-27 12:52 ` jamal
2007-09-27 13:06 ` Evgeniy Polyakov
2007-09-27 12:27 ` Herbert Xu
2007-09-27 12:46 ` jamal
2007-09-27 12:39 ` jamal
2007-09-27 12:58 ` Herbert Xu
2007-09-27 19:48 ` David Miller
2007-09-27 13:01 ` Herbert Xu
2007-09-27 13:16 ` jamal
2007-09-27 19:08 ` David Miller
2007-09-28 16:55 ` Patrick McHardy
2007-09-29 0:51 ` Herbert Xu
2007-09-29 3:37 ` Herbert Xu
2007-09-29 15:21 ` Patrick McHardy
2007-09-29 23:36 ` Herbert Xu
2007-09-30 0:13 ` David Miller
2007-09-30 0:26 ` Herbert Xu
2007-09-30 0:43 ` Herbert Xu
2007-09-30 15:38 ` Patrick McHardy
2007-10-14 4:26 ` [0/10] Remove sk_buff ** from netfilter API Herbert Xu
2007-10-14 4:27 ` [PATCH 1/10] [SKBUFF]: Merge common code between copy_skb_header and skb_clone Herbert Xu
2007-10-14 10:36 ` jamal
2007-10-14 4:27 ` [PATCH 2/10] [SKBUFF]: Add skb_morph Herbert Xu
2007-11-26 6:50 ` Yasuyuki KOZAKAI
[not found] ` <200711260650.lAQ6oOL9006774@toshiba.co.jp>
2007-11-26 15:10 ` Herbert Xu
2007-11-27 6:50 ` Yasuyuki KOZAKAI
2007-10-14 4:27 ` [PATCH 3/10] [IPV4]: Make ip_defrag return the same packet Herbert Xu
2007-10-14 4:27 ` [PATCH 4/10] [IPV4]: Change ip_defrag to return an integer Herbert Xu
2007-10-14 4:27 ` [PATCH 5/10] [NET]: Avoid unnecessary cloning for ingress filtering Herbert Xu
2007-10-14 10:49 ` jamal
2007-10-15 13:57 ` jamal
2007-10-15 14:28 ` Patrick McHardy
2007-10-15 14:55 ` Alexey Kuznetsov
2007-10-16 10:28 ` jamal
2007-10-14 4:27 ` [PATCH 6/10] [BRIDGE]: Unshare skb upon entry Herbert Xu
2007-10-15 7:20 ` Patrick McHardy
2007-10-15 8:04 ` Herbert Xu
2007-10-15 8:50 ` David Miller
2007-10-14 4:27 ` [PATCH 7/10] [NETFILTER]: Do not copy skb in skb_make_writable Herbert Xu
2007-10-14 4:27 ` [PATCH 8/10] [IPVS]: Replace local version of skb_make_writable Herbert Xu
2007-10-14 4:27 ` [PATCH 9/10] [NETFILTER]: Avoid skb_copy/pskb_copy/skb_realloc_headroom Herbert Xu
2007-10-14 4:27 ` [PATCH 10/10] [NETFILTER]: Replace sk_buff ** with sk_buff * Herbert Xu
2007-10-14 9:55 ` Herbert Xu
2007-10-14 14:46 ` [0/3] [IPV6]: Kill sk_buff ** usage on input path Herbert Xu
2007-10-14 14:49 ` [PATCH 1/3] [IPV6]: Make ipv6_frag_rcv return the same packet Herbert Xu
2007-10-15 8:28 ` David Miller
2007-10-14 14:49 ` [PATCH 2/3] [IPV6]: Avoid skb_copy/pskb_copy/skb_realloc_headroom on input Herbert Xu
2007-10-15 8:29 ` David Miller
2007-10-14 14:49 ` [PATCH 3/3] [IPV6]: Replace sk_buff ** with sk_buff * in input handlers Herbert Xu
2007-10-14 15:43 ` YOSHIFUJI Hideaki / 吉藤英明
2007-10-15 8:30 ` David Miller
2007-10-15 8:29 ` David Miller
2007-10-15 14:21 ` Herbert Xu
2007-10-15 8:27 ` [PATCH 10/10] [NETFILTER]: Replace sk_buff ** with sk_buff * David Miller
2007-10-15 6:25 ` [0/10] Remove sk_buff ** from netfilter API Patrick McHardy
2007-10-15 7:57 ` [IPV4]: Uninline netfilter okfns Patrick McHardy
2007-10-15 8:05 ` Herbert Xu
2007-10-15 8:30 ` [IPV6]: " Patrick McHardy
2007-10-15 8:51 ` David Miller
2007-10-15 8:49 ` [IPV4]: " David Miller
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