[dpdk-dev] [PATCH v8 01/11] ethdev: add deferred intermediate device state

Gaetan Rivet gaetan.rivet at 6wind.com
Tue Jul 11 01:19:42 CEST 2017


This device state means that the device is managed externally, by
whichever party has set this state (PMD or application).

Note: this new device state is only an information. The related device
structure and operators are still valid and can be used normally.

It is however made private by device management helpers within ethdev,
making the device invisible to applications.

Signed-off-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
---
 lib/librte_ether/rte_ethdev.c | 3 ++-
 lib/librte_ether/rte_ethdev.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 76179fd..69896e9 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -291,7 +291,8 @@ int
 rte_eth_dev_is_valid_port(uint8_t port_id)
 {
 	if (port_id >= RTE_MAX_ETHPORTS ||
-	    rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED)
+	    (rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED &&
+	     rte_eth_devices[port_id].state != RTE_ETH_DEV_DEFERRED))
 		return 0;
 	else
 		return 1;
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index fd6baf3..2adef76 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1607,6 +1607,7 @@ struct rte_eth_rxtx_callback {
 enum rte_eth_dev_state {
 	RTE_ETH_DEV_UNUSED = 0,
 	RTE_ETH_DEV_ATTACHED,
+	RTE_ETH_DEV_DEFERRED,
 };
 
 /**
-- 
2.1.4



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