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From: Thomas Monjalon <thomas@monjalon.net>
To: Ciara Loftus <ciara.loftus@intel.com>
Cc: dev@dpdk.org
Subject: Re: [PATCH] net/af_xdp: fix shared umem fill queue reserve
Date: Mon, 14 Mar 2022 10:49:07 +0100	[thread overview]
Message-ID: <3477234.R56niFO833@thomas> (raw)
In-Reply-To: <20220311134513.25512-1-ciara.loftus@intel.com>

11/03/2022 14:45, Ciara Loftus:
> Commit 81fe6720f84f ("net/af_xdp: reserve fill queue before socket create")
> moves the fill queue reserve logic to before the creation of the socket in
> order to suppress kernel logs like:
> 
> XSK buffer pool does not provide enough addresses to fill 2047 buffers on
> Rx ring 0
> 
> However, for queues that share umem, the fill queue reserve must occur
> after the socket creation, because the fill queue is not valid until
> that point.
> 
> This commit uses the umem refcnt value to determine whether the queue is
> sharing a umem, and performs the fill queue reservation either before or
> after the socket creation, depending on the refcnt value.
> 
> The kernel logs will still be seen for the shared umem queues.
> 
> Fixes: 81fe6720f84f ("net/af_xdp: reserve fill queue before socket create")
> 
> Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>

Applied, thanks.




      reply	other threads:[~2022-03-14  9:49 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-11 13:45 Ciara Loftus
2022-03-14  9:49 ` Thomas Monjalon [this message]

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