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From: Bernard Iremonger <bernard.iremonger@intel.com>
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Cc: Bernard Iremonger <bernard.iremonger@intel.com>
Date: Fri, 30 Sep 2016 16:45:07 +0100
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Subject: [dpdk-dev] [PATCH v3 1/2] librte_ether: add internal callback
functions
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add _rte_eth_dev_callback_process_vf function.
add _rte_eth_dev_callback_process_generic function
Adding a callback to the user application on VF to PF mailbox message,
allows passing information to the application controlling the PF
when a VF mailbox event message is received, such as VF reset.
Signed-off-by: Alex Zelezniak <az5157@att.com>
Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
---
lib/librte_ether/rte_ethdev.c | 17 ++++++++++++
lib/librte_ether/rte_ethdev.h | 51 ++++++++++++++++++++++++++++++++++
lib/librte_ether/rte_ether_version.map | 7 +++++
3 files changed, 75 insertions(+)
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 382c959..6d93fcf 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2689,6 +2689,20 @@ void
_rte_eth_dev_callback_process(struct rte_eth_dev *dev,
enum rte_eth_event_type event)
{
+ return _rte_eth_dev_callback_process_generic(dev, event, NULL);
+}
+
+void
+_rte_eth_dev_callback_process_vf(struct rte_eth_dev *dev,
+ enum rte_eth_event_type event, void *param)
+{
+ return _rte_eth_dev_callback_process_generic(dev, event, param);
+}
+
+void
+_rte_eth_dev_callback_process_generic(struct rte_eth_dev *dev,
+ enum rte_eth_event_type event, void *param)
+{
struct rte_eth_dev_callback *cb_lst;
struct rte_eth_dev_callback dev_cb;
@@ -2698,6 +2712,9 @@ _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
continue;
dev_cb = *cb_lst;
cb_lst->active = 1;
+ if (param != NULL)
+ dev_cb.cb_arg = (void *) param;
+
rte_spinlock_unlock(&rte_eth_dev_cb_lock);
dev_cb.cb_fn(dev->data->port_id, dev_cb.event,
dev_cb.cb_arg);
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 96575e8..a61905c 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -3051,9 +3051,17 @@ enum rte_eth_event_type {
/**< queue state event (enabled/disabled) */
RTE_ETH_EVENT_INTR_RESET,
/**< reset interrupt event, sent to VF on PF reset */
+ RTE_ETH_EVENT_VF_MBOX, /**< PF mailbox processing callback */
RTE_ETH_EVENT_MAX /**< max value of this enum */
};
+struct rte_eth_mb_event_param {
+ uint16_t vfid;
+ uint16_t msg_type;
+ uint16_t retval;
+ void *userdata;
+};
+
typedef void (*rte_eth_dev_cb_fn)(uint8_t port_id, \
enum rte_eth_event_type event, void *cb_arg);
/**< user application callback to be registered for interrupts */
@@ -3118,6 +3126,49 @@ void _rte_eth_dev_callback_process(struct rte_eth_dev *dev,
enum rte_eth_event_type event);
/**
+ * @internal Executes all the user application registered callbacks for
+ * the specific device where parameter have to be passed to user application.
+ * It is for DPDK internal user only. User application should not call it
+ * directly.
+ *
+ * @param dev
+ * Pointer to struct rte_eth_dev.
+ * @param event
+ * Eth device interrupt event type.
+ *
+ * @param param
+ * parameters to pass back to user application.
+ *
+ * @return
+ * void
+ */
+
+void
+_rte_eth_dev_callback_process_vf(struct rte_eth_dev *dev,
+ enum rte_eth_event_type event, void *param);
+
+/**
+ * @internal Executes all the user application registered callbacks. Used by:
+ * _rte_eth_dev_callback_process and _rte_eth_dev_callback_process_vf
+ * It is for DPDK internal user only. User application should not call it
+ * directly.
+ *
+ * @param dev
+ * Pointer to struct rte_eth_dev.
+ * @param event
+ * Eth device interrupt event type.
+ *
+ * @param param
+ * parameters to pass back to user application.
+ *
+ * @return
+ * void
+ */
+void
+_rte_eth_dev_callback_process_generic(struct rte_eth_dev *dev,
+ enum rte_eth_event_type event, void *param);
+
+/**
* When there is no rx packet coming in Rx Queue for a long time, we can
* sleep lcore related to RX Queue for power saving, and enable rx interrupt
* to be triggered when rx packect arrives.
diff --git a/lib/librte_ether/rte_ether_version.map b/lib/librte_ether/rte_ether_version.map
index 45ddf44..cb7ef15 100644
--- a/lib/librte_ether/rte_ether_version.map
+++ b/lib/librte_ether/rte_ether_version.map
@@ -139,3 +139,10 @@ DPDK_16.07 {
rte_eth_dev_get_port_by_name;
rte_eth_xstats_get_names;
} DPDK_16.04;
+
+DPDK_16.11 {
+ global:
+
+ _rte_eth_dev_callback_process_generic;
+ _rte_eth_dev_callback_process_vf;
+} DPDK_16.07;
--
2.9.0