From: Maryam Tahhan <mtahhan@redhat.com>
To: dev@dpdk.org
Subject: Re: [PATCH 2/3] net/af_xdp: Fix mbuf alloc failed statistic
Date: Fri, 10 May 2024 13:35:12 +0100 [thread overview]
Message-ID: <2eb8665d-679a-4a3f-a2e7-3c193c98c470@redhat.com> (raw)
In-Reply-To: <20240510100358.18815-2-ciara.loftus@intel.com>
On 10/05/2024 11:03, Ciara Loftus wrote:
> Failures to allocate mbufs in the receive path were not being
> accounted for in the ethdev statistics. Fix this.
>
> Bugzilla ID: 1429
> Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")
> cc: stable@dpdk.og
>
> Reported-by: Stephen Hemminger <stephen@networkplumber.org>
> Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Acked-by: Maryam Tahhan <mtahhan@redhat.com>
> ---
> drivers/net/af_xdp/rte_eth_af_xdp.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
> index fee0d5d5f3..968bbf6d45 100644
> --- a/drivers/net/af_xdp/rte_eth_af_xdp.c
> +++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
> @@ -124,6 +124,7 @@ struct rx_stats {
> uint64_t rx_pkts;
> uint64_t rx_bytes;
> uint64_t rx_dropped;
> + uint64_t alloc_failed;
> };
>
> struct pkt_rx_queue {
> @@ -339,6 +340,8 @@ af_xdp_rx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
> * xsk_ring_cons__peek
> */
> rx->cached_cons -= nb_pkts;
> + rxq->stats.alloc_failed += nb_pkts;
> +
> return 0;
> }
>
> @@ -408,6 +411,7 @@ af_xdp_rx_cp(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
> * xsk_ring_cons__peek
> */
> rx->cached_cons -= nb_pkts;
> + rxq->stats.alloc_failed += nb_pkts;
> return 0;
> }
>
> @@ -872,6 +876,7 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
> stats->ibytes += stats->q_ibytes[i];
> stats->imissed += rxq->stats.rx_dropped;
> stats->oerrors += txq->stats.tx_dropped;
> + dev->data->rx_mbuf_alloc_failed += rxq->stats.alloc_failed;
> fd = process_private->rxq_xsk_fds[i];
> ret = fd >= 0 ? getsockopt(fd, SOL_XDP, XDP_STATISTICS,
> &xdp_stats, &optlen) : -1;
next prev parent reply other threads:[~2024-05-10 12:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-10 10:03 [PATCH 1/3] net/af_xdp: Fix port id not set in rx mbuf Ciara Loftus
2024-05-10 10:03 ` [PATCH 2/3] net/af_xdp: Fix mbuf alloc failed statistic Ciara Loftus
2024-05-10 12:35 ` Maryam Tahhan [this message]
2024-05-10 15:06 ` Stephen Hemminger
2024-05-13 8:23 ` Maryam Tahhan
2024-05-13 15:53 ` Stephen Hemminger
2024-05-14 8:37 ` Loftus, Ciara
2024-05-10 10:03 ` [PATCH 3/3] net/af_xdp: Fix stats reset Ciara Loftus
2024-05-10 12:36 ` Maryam Tahhan
2024-05-10 12:20 ` [PATCH 1/3] net/af_xdp: Fix port id not set in rx mbuf Maryam Tahhan
2024-05-10 14:58 ` Stephen Hemminger
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