From: Ed Czeck <ed.czeck@atomicrules.com>
To: dev@dpdk.org
Cc: Shepard Siegel <shepard.siegel@atomicrules.com>,
John Miller <john.miller@atomicrules.com>
Subject: [PATCH 3/4] net/ark: improve ring handling for segmented packets
Date: Wed, 3 Sep 2025 17:28:44 -0400 [thread overview]
Message-ID: <20250903212846.268492-3-ed.czeck@atomicrules.com> (raw)
In-Reply-To: <20250903212846.268492-1-ed.czeck@atomicrules.com>
handle case where complete packet is not yet available
Signed-off-by: Ed Czeck <ed.czeck@atomicrules.com>
---
drivers/net/ark/ark_ethdev_rx.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ark/ark_ethdev_rx.c b/drivers/net/ark/ark_ethdev_rx.c
index 6077d98ae0..1b5c4b64a4 100644
--- a/drivers/net/ark/ark_ethdev_rx.c
+++ b/drivers/net/ark/ark_ethdev_rx.c
@@ -313,11 +313,15 @@ eth_ark_recv_pkts(void *rx_queue,
}
}
- if (unlikely(meta->pkt_len > queue->dataroom))
- cons_index = eth_ark_rx_jumbo
- (queue, meta, mbuf, cons_index + 1);
- else
+ if (unlikely(meta->pkt_len > queue->dataroom)) {
+ uint32_t tcons = eth_ark_rx_jumbo(queue, meta, mbuf, cons_index + 1);
+ if ((int32_t)(prod_index - tcons) >= 0)
+ cons_index = tcons; /* nominal condition */
+ else
+ break;
+ } else {
cons_index += 1;
+ }
rx_pkts[nb] = mbuf;
nb++;
--
2.34.1
next prev parent reply other threads:[~2025-09-03 21:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-03 21:28 [PATCH 1/4] net/ark: add PCIe IDS for newly supported devices Ed Czeck
2025-09-03 21:28 ` [PATCH 2/4] net/ark: remove double mbuf frees Ed Czeck
2025-09-03 21:28 ` Ed Czeck [this message]
2025-09-03 21:28 ` [PATCH 4/4] net/ark: improve Rx queue recovery after mbuf exhaustion Ed Czeck
2025-09-06 4:51 ` Stephen Hemminger
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