[dpdk-dev] [PATCH v6 4/8] ethdev: Add port representor device flag

[Declan Doherty]

Add new device flag to specify that ethdev port is a port representor.
Extend rte_eth_dev_info structure to expose device flags to user which
enable applications to discover if a port is a representor port.

Signed-off-by: Declan Doherty <declan.dohe...@intel.com>
---
 lib/librte_ether/rte_ethdev.c             | 1 +
 lib/librte_ether/rte_ethdev.h             | 9 ++++++---
 lib/librte_ether/rte_ethdev_representor.h | 3 +++
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index c719f84a3..163246433 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2399,6 +2399,7 @@ rte_eth_dev_info_get(uint16_t port_id, struct 
rte_eth_dev_info *dev_info)
        dev_info->nb_rx_queues = dev->data->nb_rx_queues;
        dev_info->nb_tx_queues = dev->data->nb_tx_queues;
        dev_info->switch_id = dev->data->switch_id;
+       dev_info->dev_flags = dev->data->dev_flags;
 }
 
 int
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index dced4fc41..226acc8b1 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -996,6 +996,7 @@ struct rte_eth_dev_info {
        const char *driver_name; /**< Device Driver name. */
        unsigned int if_index; /**< Index to bound host interface, or 0 if none.
                Use if_indextoname() to translate into an interface name. */
+       uint32_t dev_flags; /**< Device flags */
        uint32_t min_rx_bufsize; /**< Minimum size of RX buffer. */
        uint32_t max_rx_pktlen; /**< Maximum configurable length of RX pkt. */
        uint16_t max_rx_queues; /**< Maximum number of RX queues. */
@@ -1229,11 +1230,13 @@ struct rte_eth_dev_owner {
 };
 
 /** Device supports link state interrupt */
-#define RTE_ETH_DEV_INTR_LSC     0x0002
+#define RTE_ETH_DEV_INTR_LSC           0x0002
 /** Device is a bonded slave */
-#define RTE_ETH_DEV_BONDED_SLAVE 0x0004
+#define RTE_ETH_DEV_BONDED_SLAVE       0x0004
 /** Device supports device removal interrupt */
-#define RTE_ETH_DEV_INTR_RMV     0x0008
+#define RTE_ETH_DEV_INTR_RMV           0x0008
+/** Device is port representor */
+#define RTE_ETH_DEV_REPRESENTOR                0x0010
 
 /**
  * @warning
diff --git a/lib/librte_ether/rte_ethdev_representor.h 
b/lib/librte_ether/rte_ethdev_representor.h
index cbc1f2855..f3726d0ba 100644
--- a/lib/librte_ether/rte_ethdev_representor.h
+++ b/lib/librte_ether/rte_ethdev_representor.h
@@ -22,6 +22,9 @@ eth_dev_representor_port_init(struct rte_eth_dev *ethdev, 
void *init_params)
        /** representor inherits the switch id of it's base device */
        ethdev->data->switch_id = base_ethdev->data->switch_id;
 
+       /** Set device flags to specify that device is a representor port */
+       ethdev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+
        return 0;
 }
 
-- 
2.14.3