ethdev: allow to set RSS hash computation flags and/or key

[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 7126f95..e4ad9a7 100644 (file)
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -331,6 +331,8 @@ struct rte_eth_rss_conf {
 #define ETH_RSS_IPV4_UDP    0x0040 /**< IPv4/UDP packet. */
 #define ETH_RSS_IPV6_UDP    0x0080 /**< IPv6/UDP packet. */
 #define ETH_RSS_IPV6_UDP_EX 0x0100 /**< IPv6/UDP with extension headers. */
+
+#define ETH_RSS_PROTO_MASK  0x01FF /**< Mask of valid RSS hash protocols */
 /* Definitions used for redirection table entry size */
 #define ETH_RSS_RETA_NUM_ENTRIES 128
 #define ETH_RSS_RETA_MAX_QUEUE   16  
@@ -966,6 +968,10 @@ typedef int (*reta_query_t)(struct rte_eth_dev *dev,
                                struct rte_eth_rss_reta *reta_conf);
 /**< @internal Query RSS redirection table on an Ethernet device */
 
+typedef int (*rss_hash_update_t)(struct rte_eth_dev *dev,
+                                struct rte_eth_rss_conf *rss_conf);
+/**< @internal Update RSS hash configuration of an Ethernet device */
+
 typedef int (*eth_dev_led_on_t)(struct rte_eth_dev *dev);
 /**< @internal Turn on SW controllable LED on an Ethernet device */
 
@@ -1153,6 +1159,8 @@ struct eth_dev_ops {
   bypass_wd_reset_t bypass_wd_reset;
 #endif
 
+       /** Configure RSS hash protocols. */
+       rss_hash_update_t rss_hash_update;
 };
 
 /**
@@ -1315,50 +1323,6 @@ struct eth_driver {
  */
 extern void rte_eth_driver_register(struct eth_driver *eth_drv);
 
-/**
- * The initialization function of the driver for VMware VMXNET3
- * Ethernet devices.
- * Invoked once at EAL start time.
- * @return
- *   0 on success
- */
-extern int rte_vmxnet3_pmd_init(void);
-
-
-/**
- * The initialization function of *all* supported and enabled drivers.
- * Right now, the following PMDs are supported:
- *  - igb
- *  - igbvf
- *  - em
- *  - ixgbe
- *  - ixgbevf
- *  - virtio
- *  - vmxnet3
- * This function is invoked once at EAL start time.
- * @return
- *   0 on success.
- *   Error code of the device initialization failure,
- *   -ENODEV if there are no drivers available
- *   (e.g. if all driver config options are = n).
- */
-static inline
-int rte_pmd_init_all(void)
-{
-       int ret = -ENODEV;
-
-#ifdef RTE_LIBRTE_VMXNET3_PMD
-       if ((ret = rte_vmxnet3_pmd_init()) != 0) {
-               RTE_LOG(ERR, PMD, "Cannot init vmxnet3 PMD\n");
-               return (ret);
-       }
-#endif /* RTE_LIBRTE_VMXNET3_PMD */
-
-       if (ret == -ENODEV)
-               RTE_LOG(ERR, PMD, "No PMD(s) are configured\n");
-       return (ret);
-}
-
 /**
  * Configure an Ethernet device.
  * This function must be invoked first before any other function in the
@@ -2769,6 +2733,22 @@ int rte_eth_dev_bypass_wd_timeout_show(uint8_t port, uint32_t *wd_timeout);
  */
 int rte_eth_dev_bypass_wd_reset(uint8_t port);
 
+ /**
+ * Configuration of Receive Side Scaling hash computation of Ethernet device.
+ *
+ * @param port
+ *   The port identifier of the Ethernet device.
+ * @param rss_conf
+ *   The new configuration to use for RSS hash computation on the port.
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if port identifier is invalid.
+ *   - (-ENOTSUP) if hardware doesn't support.
+ *   - (-EINVAL) if bad parameter.
+ */
+int rte_eth_dev_rss_hash_update(uint8_t port_id,
+                               struct rte_eth_rss_conf *rss_conf);
+
 #ifdef __cplusplus
 }
 #endif