Introduces a new port attribute to ethdev port's which denotes the
switch domain a port belongs to. By default all port's switch
identifiers are set to RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID. Ports
which supported the concept of switch domains can be configured with
the same switch domain id.
Signed-off-by: Declan Doherty <declan.dohe...@intel.com>
---
app/test-pmd/config.c | 12 ++++++++++++
lib/librte_ether/rte_ethdev.h | 27 +++++++++++++++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 216a7eb4e..26f416100 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -517,6 +517,18 @@ port_infos_display(portid_t port_id)
printf("Min possible number of TXDs per queue: %hu\n",
dev_info.tx_desc_lim.nb_min);
printf("TXDs number alignment: %hu\n", dev_info.tx_desc_lim.nb_align);
+
+ /* Show switch info only if valid switch domain and port id is set */
+ if (dev_info.switch_info.domain_id !=
+ RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
+ if (dev_info.switch_info.name)
+ printf("Switch name: %s\n", dev_info.switch_info.name);
+
+ printf("Switch domain Id: %u\n",
+ dev_info.switch_info.domain_id);
+ printf("Switch Port Id: %u\n",
+ dev_info.switch_info.port_id);
+ }
}
void
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index efd84bb7b..06d9b288b 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1026,6 +1026,28 @@ struct rte_eth_dev_portconf {
uint16_t nb_queues; /**< Device-preferred number of queues */
};
+/**
+ * Default values for switch domain id when ethdev does not support switch
+ * domain definitions.
+ */
+#define RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID (0)
+
+/**
+ * Ethernet device associated switch information
+ */
+struct rte_eth_switch_info {
+ const char *name; /**< switch name */
+ uint16_t domain_id; /**< switch domain id */
+ uint16_t port_id;
+ /**<
+ * mapping to the devices physical switch port as enumerated from the
+ * perspective of the embedded interconnect/switch. For SR-IOV enabled
+ * device this may correspond to the VF_ID of each virtual function,
+ * but each driver should explicitly define the mapping of switch
+ * port identifier to that physical interconnect/switch
+ */
+};
+
/**
* Ethernet device information
*/
@@ -1073,6 +1095,11 @@ struct rte_eth_dev_info {
struct rte_eth_dev_portconf default_txportconf;
/** Generic device capabilities (RTE_ETH_DEV_CAPA_). */
uint64_t dev_capa;
+ /**
+ * Switching information for ports on a device with a
+ * embedded managed interconnect/switch.
+ */
+ struct rte_eth_switch_info switch_info;
};
/**
--
2.14.3
