netdev - Re: [PATCH net-next 0/3] strp: Generalize stream parser to work with other socket types

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Date:   Sun, 28 Aug 2016 23:34:50 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     tom@...bertland.com
Cc:     netdev@...r.kernel.org, kernel-team@...com, davejwatson@...com
Subject: Re: [PATCH net-next 0/3] strp: Generalize stream parser to work
 with other socket types

From: Tom Herbert <tom@...bertland.com>
Date: Sun, 28 Aug 2016 14:43:16 -0700

> Add a read_sock protocol operation function that allows something like
> tcp_read_sock to be called for other protocol types.
> 
> Specific changes in this patch set:
>   - Add read_sock function to proto_ops. This has the same signature as
>     tcp_read_sock. sk_read_actor_t is also defined in net.h.
>   - Set peek_len and read_sock proto_op functions for TCPv4 and TCPv6
>     stream ops.
>   - Remove references to tcp in strparser.
>   - Call peek_len and read_sock operations from strparser instead of
>     calling TCP specific functions.

I'll apply this, but I want you to shore up these new ops.

A check has to happen somewhere to make sure the proto_ops in
question have a non-NULL read_sock and peek_len method before
starting to use it.