[PATCH 05/10] net/cpfl: prevent Rx path selection after device start

Ciara Loftus
2026-02-05T10:31:00Z

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/cpfl/cpfl_rxtx.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/net/intel/cpfl/cpfl_rxtx.c b/drivers/net/intel/cpfl/cpfl_rxtx.c
index d0438b5da0..1de53f8827 100644
--- a/drivers/net/intel/cpfl/cpfl_rxtx.c
+++ b/drivers/net/intel/cpfl/cpfl_rxtx.c
@@ -1430,6 +1430,10 @@ cpfl_set_rx_function(struct rte_eth_dev *dev)
struct cpfl_rx_queue *cpfl_rxq;
int i;

+ /* If the device has started the function has already been selected. */
+ if (dev->data->dev_started)
+ goto out;
+
if (cpfl_rx_vec_dev_check_default(dev) == CPFL_VECTOR_PATH &&
rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
req_features.simd_width = cpfl_get_max_simd_bitwidth();
@@ -1462,6 +1466,7 @@ cpfl_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