[dpdk-dev] [RFC 3/4] net/ixgbe: enable async device reset
Qi Zhang
qi.z.zhang at intel.com
Wed Aug 8 09:00:44 CEST 2018
Handle device reset in a separate thread and raise
RTE_ETH_EVENT_RESET_COMPLETE event when it is done.
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
drivers/net/ixgbe/ixgbe_ethdev.c | 48 +++++++++++++++++++++++++++++++---------
1 file changed, 38 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 26b192737..6e2d6fc1a 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -2923,12 +2923,29 @@ ixgbe_dev_close(struct rte_eth_dev *dev)
ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
}
+static void *
+do_dev_reset(void *args)
+{
+ struct rte_eth_dev *dev = args;
+ int ret;
+
+ ret = eth_ixgbe_dev_uninit(dev);
+ if (!ret)
+ ret = eth_ixgbe_dev_init(dev, NULL);
+
+ _rte_eth_dev_callback_process(dev,
+ RTE_ETH_EVENT_RESET_COMPLETE,
+ &ret);
+ return NULL;
+}
+
/*
* Reset PF device.
*/
static int
ixgbe_dev_reset(struct rte_eth_dev *dev)
{
+ pthread_t tid;
int ret;
/* When a DPDK PMD PF begin to reset PF port, it should notify all
@@ -2940,11 +2957,8 @@ ixgbe_dev_reset(struct rte_eth_dev *dev)
if (dev->data->sriov.active)
return -ENOTSUP;
- ret = eth_ixgbe_dev_uninit(dev);
- if (ret)
- return ret;
-
- ret = eth_ixgbe_dev_init(dev, NULL);
+ ret = rte_ctrl_thread_create(&tid, "ixgbe_dev_reset",
+ NULL, do_dev_reset, dev);
return ret;
}
@@ -5173,19 +5187,33 @@ ixgbevf_dev_close(struct rte_eth_dev *dev)
ixgbevf_remove_mac_addr(dev, 0);
}
+static void *
+do_dev_vf_reset(void *args)
+{
+ struct rte_eth_dev *dev = args;
+ int ret;
+
+ ret = eth_ixgbevf_dev_uninit(dev);
+ if (!ret)
+ ret = eth_ixgbevf_dev_init(dev);
+
+ _rte_eth_dev_callback_process(dev,
+ RTE_ETH_EVENT_RESET_COMPLETE,
+ &ret);
+ return NULL;
+}
+
/*
* Reset VF device
*/
static int
ixgbevf_dev_reset(struct rte_eth_dev *dev)
{
+ pthread_t tid;
int ret;
- ret = eth_ixgbevf_dev_uninit(dev);
- if (ret)
- return ret;
-
- ret = eth_ixgbevf_dev_init(dev);
+ ret = rte_ctrl_thread_create(&tid, "ixgbevf_dev_reset",
+ NULL, do_dev_vf_reset, dev);
return ret;
}
--
2.13.6
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