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From: Gaetan Rivet <gaetan.rivet@6wind.com>
To: dev@dpdk.org
Cc: Gaetan Rivet <gaetan.rivet@6wind.com>
Date: Sat, 15 Jul 2017 19:57:40 +0200
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Subject: [dpdk-dev] [PATCH v10 11/11] net/failsafe: support flow API
isolation mode
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Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
drivers/net/failsafe/failsafe_ether.c | 34 +++++++++++++++++++++++++++++++--
drivers/net/failsafe/failsafe_flow.c | 29 ++++++++++++++++++++++++++++
drivers/net/failsafe/failsafe_private.h | 4 ++++
3 files changed, 65 insertions(+), 2 deletions(-)
diff --git a/drivers/net/failsafe/failsafe_ether.c b/drivers/net/failsafe/failsafe_ether.c
index a694b4d..c8b9c8a 100644
--- a/drivers/net/failsafe/failsafe_ether.c
+++ b/drivers/net/failsafe/failsafe_ether.c
@@ -74,6 +74,28 @@ fs_flow_complain(struct rte_flow_error *error)
}
static int
+eth_dev_flow_isolate_set(struct rte_eth_dev *dev,
+ struct sub_device *sdev)
+{
+ struct rte_flow_error ferror;
+ int ret;
+
+ if (!PRIV(dev)->flow_isolated) {
+ DEBUG("Flow isolation already disabled");
+ } else {
+ DEBUG("Enabling flow isolation");
+ ret = rte_flow_isolate(PORT_ID(sdev),
+ PRIV(dev)->flow_isolated,
+ &ferror);
+ if (ret) {
+ fs_flow_complain(&ferror);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static int
fs_eth_dev_conf_apply(struct rte_eth_dev *dev,
struct sub_device *sdev)
{
@@ -334,9 +356,17 @@ failsafe_eth_dev_state_sync(struct rte_eth_dev *dev)
if (PRIV(dev)->state < DEV_ACTIVE)
return 0;
inactive = 0;
- FOREACH_SUBDEV(sdev, i, dev)
- if (sdev->state == DEV_PROBED)
+ FOREACH_SUBDEV(sdev, i, dev) {
+ if (sdev->state == DEV_PROBED) {
inactive |= UINT32_C(1) << i;
+ ret = eth_dev_flow_isolate_set(dev, sdev);
+ if (ret) {
+ ERROR("Could not apply configuration to sub_device %d",
+ i);
+ goto err_remove;
+ }
+ }
+ }
ret = dev->dev_ops->dev_configure(dev);
if (ret)
goto err_remove;
diff --git a/drivers/net/failsafe/failsafe_flow.c b/drivers/net/failsafe/failsafe_flow.c
index 8547e51..5217adf 100644
--- a/drivers/net/failsafe/failsafe_flow.c
+++ b/drivers/net/failsafe/failsafe_flow.c
@@ -206,10 +206,39 @@ fs_flow_query(struct rte_eth_dev *dev,
return -1;
}
+static int
+fs_flow_isolate(struct rte_eth_dev *dev,
+ int set,
+ struct rte_flow_error *error)
+{
+ struct sub_device *sdev;
+ uint8_t i;
+ int ret;
+
+ FOREACH_SUBDEV(sdev, i, dev) {
+ if (sdev->state < DEV_PROBED)
+ continue;
+ DEBUG("Calling rte_flow_isolate on sub_device %d", i);
+ if (PRIV(dev)->flow_isolated != sdev->flow_isolated)
+ WARN("flow isolation mode of sub_device %d in incoherent state.",
+ i);
+ ret = rte_flow_isolate(PORT_ID(sdev), set, error);
+ if (ret) {
+ ERROR("Operation rte_flow_isolate failed for sub_device %d"
+ " with error %d", i, ret);
+ return ret;
+ }
+ sdev->flow_isolated = set;
+ }
+ PRIV(dev)->flow_isolated = set;
+ return 0;
+}
+
const struct rte_flow_ops fs_flow_ops = {
.validate = fs_flow_validate,
.create = fs_flow_create,
.destroy = fs_flow_destroy,
.flush = fs_flow_flush,
.query = fs_flow_query,
+ .isolate = fs_flow_isolate,
};
diff --git a/drivers/net/failsafe/failsafe_private.h b/drivers/net/failsafe/failsafe_private.h
index a9cddbc..1bff123 100644
--- a/drivers/net/failsafe/failsafe_private.h
+++ b/drivers/net/failsafe/failsafe_private.h
@@ -108,6 +108,8 @@ struct sub_device {
struct rte_eth_dev *fs_dev;
/* flag calling for recollection */
volatile unsigned int remove:1;
+ /* flow isolation state */
+ int flow_isolated:1;
};
struct fs_priv {
@@ -139,6 +141,8 @@ struct fs_priv {
*/
enum dev_state state;
unsigned int pending_alarm:1; /* An alarm is pending */
+ /* flow isolation state */
+ int flow_isolated:1;
};
/* MISC */
--
2.1.4