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From: Ciara Loftus <ciara.loftus@intel.com>
To: dev@dpdk.org
Cc: Ciara Loftus <ciara.loftus@intel.com>,
	stable@dpdk.org, Stephen Hemminger <stephen@networkplumber.org>
Subject: [PATCH v2 2/4] net/af_xdp: fix mbuf alloc failed statistic
Date: Tue, 14 May 2024 08:41:53 +0000	[thread overview]
Message-ID: <20240514084155.50673-3-ciara.loftus@intel.com> (raw)
In-Reply-To: <20240514084155.50673-1-ciara.loftus@intel.com>

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.org

Reported-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
---
v2:
* Fixed typo in commit message
* Remove unnecessary local stat for alloc_failed

 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..9bcf971ae5 100644
--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
@@ -312,6 +312,7 @@ af_xdp_rx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 	unsigned long rx_bytes = 0;
 	int i;
 	struct rte_mbuf *fq_bufs[ETH_AF_XDP_RX_BATCH_SIZE];
+	struct rte_eth_dev *dev = &rte_eth_devices[rxq->port];
 
 	nb_pkts = xsk_ring_cons__peek(rx, nb_pkts, &idx_rx);
 
@@ -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;
+		dev->data->rx_mbuf_alloc_failed += nb_pkts;
+
 		return 0;
 	}
 
@@ -390,6 +393,7 @@ af_xdp_rx_cp(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 	int i;
 	uint32_t free_thresh = fq->size >> 1;
 	struct rte_mbuf *mbufs[ETH_AF_XDP_RX_BATCH_SIZE];
+	struct rte_eth_dev *dev = &rte_eth_devices[rxq->port];
 
 	if (xsk_prod_nb_free(fq, free_thresh) >= free_thresh)
 		(void)reserve_fill_queue(umem, nb_pkts, NULL, fq);
@@ -408,6 +412,7 @@ af_xdp_rx_cp(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 		 * xsk_ring_cons__peek
 		 */
 		rx->cached_cons -= nb_pkts;
+		dev->data->rx_mbuf_alloc_failed += nb_pkts;
 		return 0;
 	}
 
-- 
2.34.1


  parent reply	other threads:[~2024-05-14  8:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240514084155.50673-1-ciara.loftus@intel.com>
2024-05-14  8:41 ` [PATCH v2 1/4] net/af_xdp: fix port ID not set in Rx mbuf Ciara Loftus
2024-05-14  8:41 ` Ciara Loftus [this message]
2024-05-14  8:41 ` [PATCH v2 3/4] net/af_xdp: fix stats reset Ciara Loftus
2024-05-20 23:27   ` Ferruh Yigit
2024-05-14  8:41 ` [PATCH v2 4/4] net/af_xdp: remove unused local statistic Ciara Loftus

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