62 lines
2.0 KiB
Diff
62 lines
2.0 KiB
Diff
From f294405ab98594aa41269507dde95cc89bb20a61 Mon Sep 17 00:00:00 2001
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From: Ciara Loftus <ciara.loftus@intel.com>
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Date: Tue, 14 May 2024 08:41:53 +0000
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Subject: [PATCH] net/af_xdp: count mbuf allocation failures
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[ upstream commit f294405ab98594aa41269507dde95cc89bb20a61 ]
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Failures to allocate mbufs in the receive path were not being
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accounted for in the ethdev statistics. Fix this.
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Bugzilla ID: 1429
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Fixes: f1debd77efaf ("net/af_xdp: introduce AF_XDP PMD")
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Cc: stable@dpdk.org
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Reported-by: Stephen Hemminger <stephen@networkplumber.org>
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Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
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Acked-by: Stephen Hemminger <stephen@networkplumber.org>
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---
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drivers/net/af_xdp/rte_eth_af_xdp.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/net/af_xdp/rte_eth_af_xdp.c b/drivers/net/af_xdp/rte_eth_af_xdp.c
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index 0997543ee5..0db761a204 100644
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--- a/drivers/net/af_xdp/rte_eth_af_xdp.c
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+++ b/drivers/net/af_xdp/rte_eth_af_xdp.c
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@@ -320,6 +320,7 @@ af_xdp_rx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
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unsigned long rx_bytes = 0;
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int i;
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struct rte_mbuf *fq_bufs[ETH_AF_XDP_RX_BATCH_SIZE];
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+ struct rte_eth_dev *dev = &rte_eth_devices[rxq->port];
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nb_pkts = xsk_ring_cons__peek(rx, nb_pkts, &idx_rx);
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@@ -347,6 +348,8 @@ af_xdp_rx_zc(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
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* xsk_ring_cons__peek
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*/
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rx->cached_cons -= nb_pkts;
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+ dev->data->rx_mbuf_alloc_failed += nb_pkts;
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+
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return 0;
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}
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@@ -398,6 +401,7 @@ af_xdp_rx_cp(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
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int i;
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uint32_t free_thresh = fq->size >> 1;
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struct rte_mbuf *mbufs[ETH_AF_XDP_RX_BATCH_SIZE];
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+ struct rte_eth_dev *dev = &rte_eth_devices[rxq->port];
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if (xsk_prod_nb_free(fq, free_thresh) >= free_thresh)
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(void)reserve_fill_queue(umem, nb_pkts, NULL, fq);
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@@ -416,6 +420,7 @@ af_xdp_rx_cp(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
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* xsk_ring_cons__peek
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*/
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rx->cached_cons -= nb_pkts;
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+ dev->data->rx_mbuf_alloc_failed += nb_pkts;
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return 0;
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}
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--
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2.33.0
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