Currently ring pmd does not support ``rte_power_monitor`` api.
This patch adds support by adding monitor callback that is called
whenever we enter sleep state and need to check if it is time to wake
up.
Signed-off-by: Herakliusz Lipiec <herakliusz.lip...@intel.com>
Acked-by: Bruce Richardson <bruce.richard...@intel.com>
---
v2:
- changed umonitor references to monitor as this is how it appears in
dpdk api
- fixed coding style issues
---
drivers/net/ring/rte_eth_ring.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index cfb81da5fe..1050c22777 100644
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -284,6 +284,29 @@ eth_dev_close(struct rte_eth_dev *dev)
return ret;
}
+static int ring_monitor_callback(const uint64_t value,
+ const uint64_t arg[RTE_POWER_MONITOR_OPAQUE_SZ])
+{
+ /* Check if the head pointer has changed */
+ return value != arg[0];
+}
+
+static int
+eth_get_monitor_addr(void *rx_queue, struct rte_power_monitor_cond *pmc)
+{
+ struct rte_ring *rng = ((struct ring_queue *)rx_queue)->rng;
+
+ /*
+ * Monitor ring head since if head moves
+ * there are packets to transmit
+ */
+ pmc->addr = &rng->prod.head;
+ pmc->size = sizeof(rng->prod.head);
+ pmc->opaque[0] = rng->prod.head;
+ pmc->fn = ring_monitor_callback;
+ return 0;
+}
+
static const struct eth_dev_ops ops = {
.dev_close = eth_dev_close,
.dev_start = eth_dev_start,
@@ -303,6 +326,7 @@ static const struct eth_dev_ops ops = {
.promiscuous_disable = eth_promiscuous_disable,
.allmulticast_enable = eth_allmulticast_enable,
.allmulticast_disable = eth_allmulticast_disable,
+ .get_monitor_addr = eth_get_monitor_addr,
};
static int
--
2.36.1
