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* [PATCH] net/iavf: fix Tx preparation
@ 2023-11-02 12:05 Qi Zhang
  2023-11-02  6:44 ` Yang, Qiming
  0 siblings, 1 reply; 3+ messages in thread
From: Qi Zhang @ 2023-11-02 12:05 UTC (permalink / raw)
  To: beilei.xing; +Cc: dev, Qi Zhang, stable

1. check nb_segs > Tx ring size for TSO case.
2. report nb_mtu_seg_max and nb_seg_max in dev_info.

Fixes: a2b29a7733ef ("net/avf: enable basic Rx Tx")
Cc: stable@dpdk.org

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/iavf/iavf_ethdev.c | 2 ++
 drivers/net/iavf/iavf_rxtx.c   | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 98cc5c8ea8..0c6ab4ac5a 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1207,6 +1207,8 @@ iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 		.nb_max = IAVF_MAX_RING_DESC,
 		.nb_min = IAVF_MIN_RING_DESC,
 		.nb_align = IAVF_ALIGN_RING_DESC,
+		.nb_mtu_seg_max = IAVF_TX_MAX_MTU_SEG,
+		.nb_seg_max = IAVF_MAX_RING_DESC,
 	};
 
 	dev_info->err_handle_mode = RTE_ETH_ERROR_HANDLE_MODE_PASSIVE;
diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c
index 610912f635..45f638c1d2 100644
--- a/drivers/net/iavf/iavf_rxtx.c
+++ b/drivers/net/iavf/iavf_rxtx.c
@@ -3656,7 +3656,8 @@ iavf_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
 				return i;
 			}
 		} else if ((m->tso_segsz < IAVF_MIN_TSO_MSS) ||
-			   (m->tso_segsz > IAVF_MAX_TSO_MSS)) {
+			   (m->tso_segsz > IAVF_MAX_TSO_MSS) ||
+			   (m->nb_segs > txq->nb_tx_desc)) {
 			/* MSS outside the range are considered malicious */
 			rte_errno = EINVAL;
 			return i;
-- 
2.31.1


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-11-06  1:41 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-11-02 12:05 [PATCH] net/iavf: fix Tx preparation Qi Zhang
2023-11-02  6:44 ` Yang, Qiming
2023-11-06  1:40   ` Zhang, Qi Z

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