netdev - Re: [PATCH] net/tls: enable sk_msg redirect to tls socket egress

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Date:   Tue, 19 Nov 2019 15:04:01 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     willemdebruijn.kernel@...il.com
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        john.fastabend@...il.com, jakub.kicinski@...ronome.com,
        daniel@...earbox.net, willemb@...gle.com
Subject: Re: [PATCH] net/tls: enable sk_msg redirect to tls socket egress

From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Date: Mon, 18 Nov 2019 10:40:51 -0500

> From: Willem de Bruijn <willemb@...gle.com>
> 
> Bring back tls_sw_sendpage_locked. sk_msg redirection into a socket
> with TLS_TX takes the following path:
> 
>   tcp_bpf_sendmsg_redir
>     tcp_bpf_push_locked
>       tcp_bpf_push
>         kernel_sendpage_locked
>           sock->ops->sendpage_locked
> 
> Also update the flags test in tls_sw_sendpage_locked to allow flag
> MSG_NO_SHARED_FRAGS. bpf_tcp_sendmsg sets this.
> 
> Link: https://lore.kernel.org/netdev/CA+FuTSdaAawmZ2N8nfDDKu3XLpXBbMtcCT0q4FntDD2gn8ASUw@mail.gmail.com/T/#t
> Link: https://github.com/wdebruij/kerneltools/commits/icept.2
> Fixes: 0608c69c9a80 ("bpf: sk_msg, sock{map|hash} redirect through ULP")
> Fixes: f3de19af0f5b ("Revert \"net/tls: remove unused function tls_sw_sendpage_locked\"")
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

Applied and queued up for -stable, thanks!