[PATCH v2] net/memif: Fix memif-rx buffer linking

[Stephen Hemminger]

On Tue, 7 Jan 2025 10:22:10 -0800
Mike Bly <bly454 at gmail.com> wrote:

> Cc: stable at dpdk.org, jgrajcia at cisco.com
> Subject: [PATCH v2] net/memif: Fix memif-rx buffer linking
> Date: Tue, 7 Jan 2025 10:22:10 -0800
> 
> Moving where dst_off is set in memif-rx function. It should be
> initialized for each new dpdk-mbuf, not each memif-buffer.
> Bugzilla ID: 1609
> Fixes: aa17df860891 ("net/memif: add a Rx fast path")
> Cc: stable at dpdk.org
> Cc: Jakub Grajciar <jgrajcia at cisco.com>
> 
> Signed-off-by: Mike Bly <bly454 at gmail.com>
> ---
>  drivers/net/memif/rte_eth_memif.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/memif/rte_eth_memif.c
> b/drivers/net/memif/rte_eth_memif.c
> index c0bf1e3bbf..bef1606550 100644
> --- a/drivers/net/memif/rte_eth_memif.c
> +++ b/drivers/net/memif/rte_eth_memif.c
> @@ -414,13 +414,12 @@ eth_memif_rx(void *queue, struct rte_mbuf **bufs,
> uint16_t nb_pkts)
>   goto no_free_bufs;
>   mbuf = mbuf_head;
>   mbuf->port = mq->in_port;
> -
> + dst_off = 0;
>  next_slot2:
>   s0 = cur_slot & mask;
>   d0 = &ring->desc[s0];

Looks like mailer whitespace corruption again.