[PATCH 04/10] net/idpf: prevent Rx path selection after device start

Ciara Loftus
2026-02-05T10:30:54Z

To fall in line with other drivers using the Rx path selection
infrastructure, prevent Rx path selection after the device has started.

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
---
drivers/net/intel/idpf/idpf_rxtx.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/net/intel/idpf/idpf_rxtx.c b/drivers/net/intel/idpf/idpf_rxtx.c
index cee454244f..de880bdc5f 100644
--- a/drivers/net/intel/idpf/idpf_rxtx.c
+++ b/drivers/net/intel/idpf/idpf_rxtx.c
@@ -783,6 +783,10 @@ idpf_set_rx_function(struct rte_eth_dev *dev)
struct idpf_rx_queue *rxq;
int i;

+ /* If the device has started the function has already been selected. */
+ if (dev->data->dev_started)
+ goto out;
+
if (idpf_rx_vec_dev_check_default(dev) == IDPF_VECTOR_PATH &&
rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
req_features.simd_width = idpf_get_max_simd_bitwidth();
@@ -814,6 +818,7 @@ idpf_set_rx_function(struct rte_eth_dev *dev)
}
#endif

+out:
dev->rx_pkt_burst = idpf_rx_path_infos[ad->rx_func_type].pkt_burst;
PMD_DRV_LOG(NOTICE, "Using %s Rx (port %d).",
idpf_rx_path_infos[ad->rx_func_type].info, dev->data->port_id);
--
2.43.0