[dpdk-dev] [PATCH 2/2] net/netvsc: fix xstats for VF device
Stephen Hemminger
stephen at networkplumber.org
Fri Jun 21 00:09:24 CEST 2019
The id values for VF stats were not being offset correctly.
And getting xstats for VF device only worked if VF device supported
it; it did not support the generic stats.
Fixes: dc7680e8597c ("net/netvsc: support integrated VF")
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
drivers/net/netvsc/hn_ethdev.c | 2 +-
drivers/net/netvsc/hn_var.h | 2 +-
drivers/net/netvsc/hn_vf.c | 26 ++++++++++++++++++--------
3 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index d37db7c6a232..2b1b2ba3b845 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -598,7 +598,7 @@ hn_dev_xstats_get(struct rte_eth_dev *dev,
}
}
- ret = hn_vf_xstats_get(dev, xstats + count, n - count);
+ ret = hn_vf_xstats_get(dev, xstats, count, n);
if (ret < 0)
return ret;
diff --git a/drivers/net/netvsc/hn_var.h b/drivers/net/netvsc/hn_var.h
index bf94d90a7635..be657af0982a 100644
--- a/drivers/net/netvsc/hn_var.h
+++ b/drivers/net/netvsc/hn_var.h
@@ -237,5 +237,5 @@ int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
unsigned int size);
int hn_vf_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats,
- unsigned int n);
+ unsigned int offset, unsigned int n);
void hn_vf_xstats_reset(struct rte_eth_dev *dev);
diff --git a/drivers/net/netvsc/hn_vf.c b/drivers/net/netvsc/hn_vf.c
index 27ac87e7e975..3a833d447ac1 100644
--- a/drivers/net/netvsc/hn_vf.c
+++ b/drivers/net/netvsc/hn_vf.c
@@ -506,17 +506,19 @@ int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
struct hn_data *hv = dev->data->dev_private;
struct rte_eth_dev *vf_dev;
int i, count = 0;
- char tmp[RTE_ETH_XSTATS_NAME_SIZE];
rte_spinlock_lock(&hv->vf_lock);
vf_dev = hn_get_vf_dev(hv);
- if (vf_dev && vf_dev->dev_ops->xstats_get_names)
- count = vf_dev->dev_ops->xstats_get_names(vf_dev, names, n);
+ if (vf_dev)
+ count = rte_eth_xstats_get_names(vf_dev->data->port_id,
+ names, n);
rte_spinlock_unlock(&hv->vf_lock);
/* add vf_ prefix to xstat names */
if (names) {
for (i = 0; i < count; i++) {
+ char tmp[RTE_ETH_XSTATS_NAME_SIZE];
+
snprintf(tmp, sizeof(tmp), "vf_%s", names[i].name);
strlcpy(names[i].name, tmp, sizeof(names[i].name));
}
@@ -527,18 +529,26 @@ int hn_vf_xstats_get_names(struct rte_eth_dev *dev,
int hn_vf_xstats_get(struct rte_eth_dev *dev,
struct rte_eth_xstat *xstats,
+ unsigned int offset,
unsigned int n)
{
struct hn_data *hv = dev->data->dev_private;
struct rte_eth_dev *vf_dev;
- int count = 0;
+ int i, count = 0;
rte_spinlock_lock(&hv->vf_lock);
vf_dev = hn_get_vf_dev(hv);
- if (vf_dev && vf_dev->dev_ops->xstats_get)
- count = vf_dev->dev_ops->xstats_get(vf_dev, xstats, n);
+ if (vf_dev)
+ count = rte_eth_xstats_get(vf_dev->data->port_id,
+ xstats + offset, n - offset);
rte_spinlock_unlock(&hv->vf_lock);
+ /* Offset id's for VF stats */
+ if (count > 0) {
+ for (i = 0; i < count; i++)
+ xstats[i + offset].id += offset;
+ }
+
return count;
}
@@ -549,7 +559,7 @@ void hn_vf_xstats_reset(struct rte_eth_dev *dev)
rte_spinlock_lock(&hv->vf_lock);
vf_dev = hn_get_vf_dev(hv);
- if (vf_dev && vf_dev->dev_ops->xstats_reset)
- vf_dev->dev_ops->xstats_reset(vf_dev);
+ if (vf_dev)
+ rte_eth_xstats_reset(vf_dev->data->port_id);
rte_spinlock_unlock(&hv->vf_lock);
}
--
2.20.1
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