ethdev: convert speed number to bitmap flag

[dpdk.git] / lib / librte_ether / rte_ethdev.h

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index b88300d..1342b3a 100644 (file)
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1877,6 +1877,19 @@ struct eth_driver {
  */
 void rte_eth_driver_register(struct eth_driver *eth_drv);
 
+/**
+ * Convert a numerical speed in Mbps to a bitmap flag that can be used in
+ * the bitmap link_speeds of the struct rte_eth_conf
+ *
+ * @param speed
+ *   Numerical speed value in Mbps
+ * @param duplex
+ *   ETH_LINK_[HALF/FULL]_DUPLEX (only for 10/100M speeds)
+ * @return
+ *   0 if the speed cannot be mapped
+ */
+uint32_t rte_eth_speed_bitflag(uint32_t speed, int duplex);
+
 /**
  * Configure an Ethernet device.
  * This function must be invoked first before any other function in the