netdev - RE: [bpf-next PATCH v2 0/6] sockmap/sk

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Message-ID: <5f80a621d81e0_d21e20870@john-XPS-13-9370.notmuch>
Date:   Fri, 09 Oct 2020 11:04:17 -0700
From:   John Fastabend <john.fastabend@...il.com>
To:     John Fastabend <john.fastabend@...il.com>,
        john.fastabend@...il.com, alexei.starovoitov@...il.com,
        daniel@...earbox.net
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org, jakub@...udflare.com,
        lmb@...udflare.com
Subject: RE: [bpf-next PATCH v2 0/6] sockmap/sk_skb program memory acct fixes

John Fastabend wrote:
> Users of sockmap and skmsg trying to build proxys and other tools
> have pointed out to me the error handling can be problematic. If

Will need a v3 to fix a typo, should be ready after fix, rebuild
and retest.

> v1->v2: Fix uninitialized/unused variables (kernel test robot)
> 

v2->v3: patch2: err = 0 needs to be err = -EIO to use workqueue

> ---
> 
> John Fastabend (6):
>       bpf, sockmap: skb verdict SK_PASS to self already checked rmem limits
>       bpf, sockmap: On receive programs try to fast track SK_PASS ingress
>       bpf, sockmap: remove skb_set_owner_w wmem will be taken later from sendpage
>       bpf, sockmap: remove dropped data on errors in redirect case
>       bpf, sockmap: Remove skb_orphan and let normal skb_kfree do cleanup
>       bpf, sockmap: Add memory accounting so skbs on ingress lists are visible
> 
> 
>  net/core/skmsg.c |   83 +++++++++++++++++++++++++++++-------------------------
>  1 file changed, 45 insertions(+), 38 deletions(-)
> 
> --
> Signature