On 1/20/2021 2:27 PM, Hemant Agrawal wrote:

This patch introduce a new pmd api, which can help the applications
to configure the max framelen for a given dpdmux interface

Signed-off-by: Hemant Agrawal <redacted>

<...>

+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change, or be removed, without prior notice
+ *
+ * demultiplex interface max rx frame length configure
+ *
+ * @param dpdmux_id
+ *    ID of the DPDMUX MC object.
+ * @param max_rx_frame_len
+ *    maximum receive frame length (will be checked to be minimux of all dpnis)
+ *
+ */
+__rte_experimental
+int
+rte_pmd_dpaa2_mux_rx_frame_len(uint32_t dpdmux_id, uint16_t max_rx_frame_len);
+

PMD specific APIs are not good for portability, and I think better to reduce 
them as much as possible.

Can't this new parameter provided as devarg, instead of a new PMD API?