Re: [PATCH 1/1] netfilter: tcp/udp: Only get 4 bytes to get tcp/udp ports

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On Fri, Jul 22, 2016 at 11:59:22PM +0800, fgao@xxxxxxxxxx wrote:
> From: Gao Feng <fgao@xxxxxxxxxx>
> 
> We use tcp/udp_pkt_to_tuple to get the ports of tcp/udp.
> Actually only need to get 4 bytes by skb_header_pointer instead
> of 8 bytes.
> 
> Signed-off-by: Gao Feng <fgao@xxxxxxxxxx>
> ---
>  v2: Use 4 bytes intead of 8 bytes, and add more description
>  v1: Initial Patch
> 
>  net/netfilter/nf_conntrack_proto_tcp.c | 4 ++--
>  net/netfilter/nf_conntrack_proto_udp.c | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
> index 70c8381..4abe9e1 100644
> --- a/net/netfilter/nf_conntrack_proto_tcp.c
> +++ b/net/netfilter/nf_conntrack_proto_tcp.c

Could you also review other existing trackers? eg. SCTP.
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