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net/igb: support dev reset

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Add support for passive device reset on IGB ports.

Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
This commit is contained in:
Gaetan Rivet 2018-09-18 10:56:38 +02:00 committed by Ferruh Yigit
parent 2750b60fd6
commit be665ba55e
1 changed files with 29 additions and 0 deletions
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29
drivers/net/e1000/igb_ethdev.c
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@ -74,6 +74,7 @@ static void eth_igb_stop(struct rte_eth_dev *dev);
static int eth_igb_dev_set_link_up(struct rte_eth_dev *dev);
static int eth_igb_dev_set_link_down(struct rte_eth_dev *dev);
static void eth_igb_close(struct rte_eth_dev *dev);
static int eth_igb_reset(struct rte_eth_dev *dev);
static void eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
static void eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
@ -351,6 +352,7 @@ static const struct eth_dev_ops eth_igb_ops = {
.dev_set_link_up = eth_igb_dev_set_link_up,
.dev_set_link_down = eth_igb_dev_set_link_down,
.dev_close = eth_igb_close,
.dev_reset = eth_igb_reset,
.promiscuous_enable = eth_igb_promiscuous_enable,
.promiscuous_disable = eth_igb_promiscuous_disable,
.allmulticast_enable = eth_igb_allmulticast_enable,
@ -1593,6 +1595,33 @@ eth_igb_close(struct rte_eth_dev *dev)
rte_eth_linkstatus_set(dev, &link);
}
/*
* Reset PF device.
*/
static int
eth_igb_reset(struct rte_eth_dev *dev)
{
int ret;
/* When a DPDK PMD PF begin to reset PF port, it should notify all
* its VF to make them align with it. The detailed notification
* mechanism is PMD specific and is currently not implemented.
* To avoid unexpected behavior in VF, currently reset of PF with
* SR-IOV activation is not supported. It might be supported later.
*/
if (dev->data->sriov.active)
return -ENOTSUP;
ret = eth_igb_dev_uninit(dev);
if (ret)
return ret;
ret = eth_igb_dev_init(dev);
return ret;
}
static int
igb_get_rx_buffer_size(struct e1000_hw *hw)
{