* [PATCH net-next] net: mlx4: Add XDP_REDIRECT statistics
[not found] <8d7773a0-054a-84d5-e0b6-66a13509149e@gmail.com>
@ 2021-09-28 13:26 ` Joshua Roys
2021-09-29 10:19 ` Tariq Toukan
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Joshua Roys @ 2021-09-28 13:26 UTC (permalink / raw)
To: netdev
Cc: Joshua Roys, ast, davem, hawk, john.fastabend, daniel, kuba, bpf,
tariqt, linux-rdma
Address feedback for XDP_REDIRECT patch.
Signed-off-by: Joshua Roys <roysjosh@gmail.com>
---
.../net/ethernet/mellanox/mlx4/en_ethtool.c | 8 ++++++++
drivers/net/ethernet/mellanox/mlx4/en_port.c | 18 +++++++++++-------
drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +++-
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 ++
.../net/ethernet/mellanox/mlx4/mlx4_stats.h | 4 +++-
5 files changed, 27 insertions(+), 9 deletions(-)
Tested with VPP 21.06 on Fedora 34.
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index ef518b1040f7..66c8ae29bc7a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -197,6 +197,8 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
/* xdp statistics */
"rx_xdp_drop",
+ "rx_xdp_redirect",
+ "rx_xdp_redirect_fail",
"rx_xdp_tx",
"rx_xdp_tx_full",
@@ -428,6 +430,8 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
data[index++] = priv->rx_ring[i]->bytes;
data[index++] = priv->rx_ring[i]->dropped;
data[index++] = priv->rx_ring[i]->xdp_drop;
+ data[index++] = priv->rx_ring[i]->xdp_redirect;
+ data[index++] = priv->rx_ring[i]->xdp_redirect_fail;
data[index++] = priv->rx_ring[i]->xdp_tx;
data[index++] = priv->rx_ring[i]->xdp_tx_full;
}
@@ -519,6 +523,10 @@ static void mlx4_en_get_strings(struct net_device *dev,
"rx%d_dropped", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_xdp_drop", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_xdp_redirect", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_xdp_redirect_fail", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_xdp_tx", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
index 0158b88bea5b..043cc9d75b3e 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
@@ -239,13 +239,15 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
mlx4_en_fold_software_stats(dev);
- priv->port_stats.rx_chksum_good = 0;
- priv->port_stats.rx_chksum_none = 0;
- priv->port_stats.rx_chksum_complete = 0;
- priv->port_stats.rx_alloc_pages = 0;
- priv->xdp_stats.rx_xdp_drop = 0;
- priv->xdp_stats.rx_xdp_tx = 0;
- priv->xdp_stats.rx_xdp_tx_full = 0;
+ priv->port_stats.rx_chksum_good = 0;
+ priv->port_stats.rx_chksum_none = 0;
+ priv->port_stats.rx_chksum_complete = 0;
+ priv->port_stats.rx_alloc_pages = 0;
+ priv->xdp_stats.rx_xdp_drop = 0;
+ priv->xdp_stats.rx_xdp_redirect = 0;
+ priv->xdp_stats.rx_xdp_redirect_fail = 0;
+ priv->xdp_stats.rx_xdp_tx = 0;
+ priv->xdp_stats.rx_xdp_tx_full = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
@@ -255,6 +257,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop);
+ priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect);
+ priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail);
priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx);
priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full);
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 557d7daac2d3..8f09b1de4125 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -793,11 +793,13 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
case XDP_PASS:
break;
case XDP_REDIRECT:
- if (xdp_do_redirect(dev, &xdp, xdp_prog) >= 0) {
+ if (!xdp_do_redirect(dev, &xdp, xdp_prog)) {
+ ring->xdp_redirect++;
xdp_redir_flush = true;
frags[0].page = NULL;
goto next;
}
+ ring->xdp_redirect_fail++;
trace_xdp_exception(dev, xdp_prog, act);
goto xdp_drop_no_cnt;
case XDP_TX:
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index f3d1a20201ef..f6c90e97b4cd 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -340,6 +340,8 @@ struct mlx4_en_rx_ring {
unsigned long csum_complete;
unsigned long rx_alloc_pages;
unsigned long xdp_drop;
+ unsigned long xdp_redirect;
+ unsigned long xdp_redirect_fail;
unsigned long xdp_tx;
unsigned long xdp_tx_full;
unsigned long dropped;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
index 7b51ae8cf759..e9cd4bb6f83d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
@@ -42,9 +42,11 @@ struct mlx4_en_port_stats {
struct mlx4_en_xdp_stats {
unsigned long rx_xdp_drop;
+ unsigned long rx_xdp_redirect;
+ unsigned long rx_xdp_redirect_fail;
unsigned long rx_xdp_tx;
unsigned long rx_xdp_tx_full;
-#define NUM_XDP_STATS 3
+#define NUM_XDP_STATS 5
};
struct mlx4_en_phy_stats {
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH net-next] net: mlx4: Add XDP_REDIRECT statistics
2021-09-28 13:26 ` [PATCH net-next] net: mlx4: Add XDP_REDIRECT statistics Joshua Roys
@ 2021-09-29 10:19 ` Tariq Toukan
2021-09-30 2:17 ` [PATCH net-next v2] net/mlx4_en: " Joshua Roys
2021-09-30 2:30 ` [PATCH net-next v3] " Joshua Roys
2 siblings, 0 replies; 6+ messages in thread
From: Tariq Toukan @ 2021-09-29 10:19 UTC (permalink / raw)
To: Joshua Roys, netdev
Cc: ast, davem, hawk, john.fastabend, daniel, kuba, bpf, tariqt, linux-rdma
For changes in the mlx4 ethernet driver, please use "net/mlx4_en" prefix
in patch subject.
On 9/28/2021 4:26 PM, Joshua Roys wrote:
> Address feedback for XDP_REDIRECT patch.
>
Description is not helpful at all.
Please provide technical description of the content, motivation, why it
is needed, etc...
> Signed-off-by: Joshua Roys <roysjosh@gmail.com>
> ---
> .../net/ethernet/mellanox/mlx4/en_ethtool.c | 8 ++++++++
> drivers/net/ethernet/mellanox/mlx4/en_port.c | 18 +++++++++++-------
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +++-
> drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 ++
> .../net/ethernet/mellanox/mlx4/mlx4_stats.h | 4 +++-
> 5 files changed, 27 insertions(+), 9 deletions(-)
>
> Tested with VPP 21.06 on Fedora 34.
>
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> index ef518b1040f7..66c8ae29bc7a 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> @@ -197,6 +197,8 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
>
> /* xdp statistics */
> "rx_xdp_drop",
> + "rx_xdp_redirect",
> + "rx_xdp_redirect_fail",
> "rx_xdp_tx",
> "rx_xdp_tx_full",
>
> @@ -428,6 +430,8 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
> data[index++] = priv->rx_ring[i]->bytes;
> data[index++] = priv->rx_ring[i]->dropped;
> data[index++] = priv->rx_ring[i]->xdp_drop;
> + data[index++] = priv->rx_ring[i]->xdp_redirect;
> + data[index++] = priv->rx_ring[i]->xdp_redirect_fail;
> data[index++] = priv->rx_ring[i]->xdp_tx;
> data[index++] = priv->rx_ring[i]->xdp_tx_full;
> }
> @@ -519,6 +523,10 @@ static void mlx4_en_get_strings(struct net_device *dev,
> "rx%d_dropped", i);
> sprintf(data + (index++) * ETH_GSTRING_LEN,
> "rx%d_xdp_drop", i);
> + sprintf(data + (index++) * ETH_GSTRING_LEN,
> + "rx%d_xdp_redirect", i);
> + sprintf(data + (index++) * ETH_GSTRING_LEN,
> + "rx%d_xdp_redirect_fail", i);
> sprintf(data + (index++) * ETH_GSTRING_LEN,
> "rx%d_xdp_tx", i);
> sprintf(data + (index++) * ETH_GSTRING_LEN,
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
> index 0158b88bea5b..043cc9d75b3e 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
> @@ -239,13 +239,15 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
>
> mlx4_en_fold_software_stats(dev);
>
> - priv->port_stats.rx_chksum_good = 0;
> - priv->port_stats.rx_chksum_none = 0;
> - priv->port_stats.rx_chksum_complete = 0;
> - priv->port_stats.rx_alloc_pages = 0;
> - priv->xdp_stats.rx_xdp_drop = 0;
> - priv->xdp_stats.rx_xdp_tx = 0;
> - priv->xdp_stats.rx_xdp_tx_full = 0;
> + priv->port_stats.rx_chksum_good = 0;
> + priv->port_stats.rx_chksum_none = 0;
> + priv->port_stats.rx_chksum_complete = 0;
> + priv->port_stats.rx_alloc_pages = 0;
> + priv->xdp_stats.rx_xdp_drop = 0;
> + priv->xdp_stats.rx_xdp_redirect = 0;
> + priv->xdp_stats.rx_xdp_redirect_fail = 0;
> + priv->xdp_stats.rx_xdp_tx = 0;
> + priv->xdp_stats.rx_xdp_tx_full = 0;
No need to touch existing lines.
Add yours without fixing the existing indintations.
> for (i = 0; i < priv->rx_ring_num; i++) {
> const struct mlx4_en_rx_ring *ring = priv->rx_ring[i];
>
> @@ -255,6 +257,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
> priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
> priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
> priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop);
> + priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect);
> + priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail);
> priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx);
> priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full);
> }
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> index 557d7daac2d3..8f09b1de4125 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> @@ -793,11 +793,13 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
> case XDP_PASS:
> break;
> case XDP_REDIRECT:
> - if (xdp_do_redirect(dev, &xdp, xdp_prog) >= 0) {
> + if (!xdp_do_redirect(dev, &xdp, xdp_prog)) {
use likely()
> + ring->xdp_redirect++;
> xdp_redir_flush = true;
> frags[0].page = NULL;
> goto next;
> }
> + ring->xdp_redirect_fail++;
> trace_xdp_exception(dev, xdp_prog, act);
> goto xdp_drop_no_cnt;
> case XDP_TX:
> diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
> index f3d1a20201ef..f6c90e97b4cd 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
> +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
> @@ -340,6 +340,8 @@ struct mlx4_en_rx_ring {
> unsigned long csum_complete;
> unsigned long rx_alloc_pages;
> unsigned long xdp_drop;
> + unsigned long xdp_redirect;
> + unsigned long xdp_redirect_fail;
> unsigned long xdp_tx;
> unsigned long xdp_tx_full;
> unsigned long dropped;
> diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
> index 7b51ae8cf759..e9cd4bb6f83d 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
> +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
> @@ -42,9 +42,11 @@ struct mlx4_en_port_stats {
>
> struct mlx4_en_xdp_stats {
> unsigned long rx_xdp_drop;
> + unsigned long rx_xdp_redirect;
> + unsigned long rx_xdp_redirect_fail;
> unsigned long rx_xdp_tx;
> unsigned long rx_xdp_tx_full;
> -#define NUM_XDP_STATS 3
> +#define NUM_XDP_STATS 5
> };
>
> struct mlx4_en_phy_stats {
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH net-next v2] net/mlx4_en: Add XDP_REDIRECT statistics
2021-09-28 13:26 ` [PATCH net-next] net: mlx4: Add XDP_REDIRECT statistics Joshua Roys
2021-09-29 10:19 ` Tariq Toukan
@ 2021-09-30 2:17 ` Joshua Roys
2021-09-30 2:30 ` [PATCH net-next v3] " Joshua Roys
2 siblings, 0 replies; 6+ messages in thread
From: Joshua Roys @ 2021-09-30 2:17 UTC (permalink / raw)
To: netdev
Cc: Joshua Roys, ast, davem, hawk, john.fastabend, daniel, kuba, bpf,
tariqt, linux-rdma
Add counters for XDP REDIRECT success and failure. This brings the
redirect path in line with metrics gathered via the other XDP paths.
Signed-off-by: Joshua Roys <roysjosh@gmail.com>
---
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 8 ++++++++
drivers/net/ethernet/mellanox/mlx4/en_port.c | 4 ++++
drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +++-
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 ++
drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h | 4 +++-
5 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index ef518b1040f7..66c8ae29bc7a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -197,6 +197,8 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
/* xdp statistics */
"rx_xdp_drop",
+ "rx_xdp_redirect",
+ "rx_xdp_redirect_fail",
"rx_xdp_tx",
"rx_xdp_tx_full",
@@ -428,6 +430,8 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
data[index++] = priv->rx_ring[i]->bytes;
data[index++] = priv->rx_ring[i]->dropped;
data[index++] = priv->rx_ring[i]->xdp_drop;
+ data[index++] = priv->rx_ring[i]->xdp_redirect;
+ data[index++] = priv->rx_ring[i]->xdp_redirect_fail;
data[index++] = priv->rx_ring[i]->xdp_tx;
data[index++] = priv->rx_ring[i]->xdp_tx_full;
}
@@ -519,6 +523,10 @@ static void mlx4_en_get_strings(struct net_device *dev,
"rx%d_dropped", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_xdp_drop", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_xdp_redirect", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_xdp_redirect_fail", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_xdp_tx", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
index 0158b88bea5b..f25794a92241 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
@@ -244,6 +244,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
priv->port_stats.rx_chksum_complete = 0;
priv->port_stats.rx_alloc_pages = 0;
priv->xdp_stats.rx_xdp_drop = 0;
+ priv->xdp_stats.rx_xdp_redirect = 0;
+ priv->xdp_stats.rx_xdp_redirect_full = 0;
priv->xdp_stats.rx_xdp_tx = 0;
priv->xdp_stats.rx_xdp_tx_full = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
@@ -255,6 +257,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop);
+ priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect);
+ priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail);
priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx);
priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full);
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 557d7daac2d3..650e6a1844ae 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -793,11 +793,13 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
case XDP_PASS:
break;
case XDP_REDIRECT:
- if (xdp_do_redirect(dev, &xdp, xdp_prog) >= 0) {
+ if (likely(!xdp_do_redirect(dev, &xdp, xdp_prog))) {
+ ring->xdp_redirect++;
xdp_redir_flush = true;
frags[0].page = NULL;
goto next;
}
+ ring->xdp_redirect_fail++;
trace_xdp_exception(dev, xdp_prog, act);
goto xdp_drop_no_cnt;
case XDP_TX:
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index f3d1a20201ef..f6c90e97b4cd 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -340,6 +340,8 @@ struct mlx4_en_rx_ring {
unsigned long csum_complete;
unsigned long rx_alloc_pages;
unsigned long xdp_drop;
+ unsigned long xdp_redirect;
+ unsigned long xdp_redirect_fail;
unsigned long xdp_tx;
unsigned long xdp_tx_full;
unsigned long dropped;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
index 7b51ae8cf759..e9cd4bb6f83d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
@@ -42,9 +42,11 @@ struct mlx4_en_port_stats {
struct mlx4_en_xdp_stats {
unsigned long rx_xdp_drop;
+ unsigned long rx_xdp_redirect;
+ unsigned long rx_xdp_redirect_fail;
unsigned long rx_xdp_tx;
unsigned long rx_xdp_tx_full;
-#define NUM_XDP_STATS 3
+#define NUM_XDP_STATS 5
};
struct mlx4_en_phy_stats {
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH net-next v3] net/mlx4_en: Add XDP_REDIRECT statistics
2021-09-28 13:26 ` [PATCH net-next] net: mlx4: Add XDP_REDIRECT statistics Joshua Roys
2021-09-29 10:19 ` Tariq Toukan
2021-09-30 2:17 ` [PATCH net-next v2] net/mlx4_en: " Joshua Roys
@ 2021-09-30 2:30 ` Joshua Roys
2021-09-30 7:19 ` Tariq Toukan
2021-09-30 13:20 ` patchwork-bot+netdevbpf
2 siblings, 2 replies; 6+ messages in thread
From: Joshua Roys @ 2021-09-30 2:30 UTC (permalink / raw)
To: netdev
Cc: Joshua Roys, ast, davem, hawk, john.fastabend, daniel, kuba, bpf,
tariqt, linux-rdma
Add counters for XDP REDIRECT success and failure. This brings the
redirect path in line with metrics gathered via the other XDP paths.
Signed-off-by: Joshua Roys <roysjosh@gmail.com>
---
drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 8 ++++++++
drivers/net/ethernet/mellanox/mlx4/en_port.c | 4 ++++
drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +++-
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 ++
drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h | 4 +++-
5 files changed, 20 insertions(+), 2 deletions(-)
Sorry, this version fixes the full/fail typo.
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index ef518b1040f7..66c8ae29bc7a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -197,6 +197,8 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
/* xdp statistics */
"rx_xdp_drop",
+ "rx_xdp_redirect",
+ "rx_xdp_redirect_fail",
"rx_xdp_tx",
"rx_xdp_tx_full",
@@ -428,6 +430,8 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
data[index++] = priv->rx_ring[i]->bytes;
data[index++] = priv->rx_ring[i]->dropped;
data[index++] = priv->rx_ring[i]->xdp_drop;
+ data[index++] = priv->rx_ring[i]->xdp_redirect;
+ data[index++] = priv->rx_ring[i]->xdp_redirect_fail;
data[index++] = priv->rx_ring[i]->xdp_tx;
data[index++] = priv->rx_ring[i]->xdp_tx_full;
}
@@ -519,6 +523,10 @@ static void mlx4_en_get_strings(struct net_device *dev,
"rx%d_dropped", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_xdp_drop", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_xdp_redirect", i);
+ sprintf(data + (index++) * ETH_GSTRING_LEN,
+ "rx%d_xdp_redirect_fail", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
"rx%d_xdp_tx", i);
sprintf(data + (index++) * ETH_GSTRING_LEN,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
index 0158b88bea5b..f25794a92241 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
@@ -244,6 +244,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
priv->port_stats.rx_chksum_complete = 0;
priv->port_stats.rx_alloc_pages = 0;
priv->xdp_stats.rx_xdp_drop = 0;
+ priv->xdp_stats.rx_xdp_redirect = 0;
+ priv->xdp_stats.rx_xdp_redirect_fail = 0;
priv->xdp_stats.rx_xdp_tx = 0;
priv->xdp_stats.rx_xdp_tx_full = 0;
for (i = 0; i < priv->rx_ring_num; i++) {
@@ -255,6 +257,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop);
+ priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect);
+ priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail);
priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx);
priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full);
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 557d7daac2d3..650e6a1844ae 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -793,11 +793,13 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
case XDP_PASS:
break;
case XDP_REDIRECT:
- if (xdp_do_redirect(dev, &xdp, xdp_prog) >= 0) {
+ if (likely(!xdp_do_redirect(dev, &xdp, xdp_prog))) {
+ ring->xdp_redirect++;
xdp_redir_flush = true;
frags[0].page = NULL;
goto next;
}
+ ring->xdp_redirect_fail++;
trace_xdp_exception(dev, xdp_prog, act);
goto xdp_drop_no_cnt;
case XDP_TX:
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index f3d1a20201ef..f6c90e97b4cd 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -340,6 +340,8 @@ struct mlx4_en_rx_ring {
unsigned long csum_complete;
unsigned long rx_alloc_pages;
unsigned long xdp_drop;
+ unsigned long xdp_redirect;
+ unsigned long xdp_redirect_fail;
unsigned long xdp_tx;
unsigned long xdp_tx_full;
unsigned long dropped;
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
index 7b51ae8cf759..e9cd4bb6f83d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
@@ -42,9 +42,11 @@ struct mlx4_en_port_stats {
struct mlx4_en_xdp_stats {
unsigned long rx_xdp_drop;
+ unsigned long rx_xdp_redirect;
+ unsigned long rx_xdp_redirect_fail;
unsigned long rx_xdp_tx;
unsigned long rx_xdp_tx_full;
-#define NUM_XDP_STATS 3
+#define NUM_XDP_STATS 5
};
struct mlx4_en_phy_stats {
--
2.31.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH net-next v3] net/mlx4_en: Add XDP_REDIRECT statistics
2021-09-30 2:30 ` [PATCH net-next v3] " Joshua Roys
@ 2021-09-30 7:19 ` Tariq Toukan
2021-09-30 13:20 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 6+ messages in thread
From: Tariq Toukan @ 2021-09-30 7:19 UTC (permalink / raw)
To: Joshua Roys, netdev
Cc: ast, davem, hawk, john.fastabend, daniel, kuba, bpf, tariqt, linux-rdma
On 9/30/2021 5:30 AM, Joshua Roys wrote:
> Add counters for XDP REDIRECT success and failure. This brings the
> redirect path in line with metrics gathered via the other XDP paths.
>
> Signed-off-by: Joshua Roys <roysjosh@gmail.com>
> ---
> drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 8 ++++++++
> drivers/net/ethernet/mellanox/mlx4/en_port.c | 4 ++++
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +++-
> drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 ++
> drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h | 4 +++-
> 5 files changed, 20 insertions(+), 2 deletions(-)
>
> Sorry, this version fixes the full/fail typo.
>
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> index ef518b1040f7..66c8ae29bc7a 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
> @@ -197,6 +197,8 @@ static const char main_strings[][ETH_GSTRING_LEN] = {
>
> /* xdp statistics */
> "rx_xdp_drop",
> + "rx_xdp_redirect",
> + "rx_xdp_redirect_fail",
> "rx_xdp_tx",
> "rx_xdp_tx_full",
>
> @@ -428,6 +430,8 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev,
> data[index++] = priv->rx_ring[i]->bytes;
> data[index++] = priv->rx_ring[i]->dropped;
> data[index++] = priv->rx_ring[i]->xdp_drop;
> + data[index++] = priv->rx_ring[i]->xdp_redirect;
> + data[index++] = priv->rx_ring[i]->xdp_redirect_fail;
> data[index++] = priv->rx_ring[i]->xdp_tx;
> data[index++] = priv->rx_ring[i]->xdp_tx_full;
> }
> @@ -519,6 +523,10 @@ static void mlx4_en_get_strings(struct net_device *dev,
> "rx%d_dropped", i);
> sprintf(data + (index++) * ETH_GSTRING_LEN,
> "rx%d_xdp_drop", i);
> + sprintf(data + (index++) * ETH_GSTRING_LEN,
> + "rx%d_xdp_redirect", i);
> + sprintf(data + (index++) * ETH_GSTRING_LEN,
> + "rx%d_xdp_redirect_fail", i);
> sprintf(data + (index++) * ETH_GSTRING_LEN,
> "rx%d_xdp_tx", i);
> sprintf(data + (index++) * ETH_GSTRING_LEN,
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c
> index 0158b88bea5b..f25794a92241 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c
> @@ -244,6 +244,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
> priv->port_stats.rx_chksum_complete = 0;
> priv->port_stats.rx_alloc_pages = 0;
> priv->xdp_stats.rx_xdp_drop = 0;
> + priv->xdp_stats.rx_xdp_redirect = 0;
> + priv->xdp_stats.rx_xdp_redirect_fail = 0;
> priv->xdp_stats.rx_xdp_tx = 0;
> priv->xdp_stats.rx_xdp_tx_full = 0;
> for (i = 0; i < priv->rx_ring_num; i++) {
> @@ -255,6 +257,8 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
> priv->port_stats.rx_chksum_complete += READ_ONCE(ring->csum_complete);
> priv->port_stats.rx_alloc_pages += READ_ONCE(ring->rx_alloc_pages);
> priv->xdp_stats.rx_xdp_drop += READ_ONCE(ring->xdp_drop);
> + priv->xdp_stats.rx_xdp_redirect += READ_ONCE(ring->xdp_redirect);
> + priv->xdp_stats.rx_xdp_redirect_fail += READ_ONCE(ring->xdp_redirect_fail);
> priv->xdp_stats.rx_xdp_tx += READ_ONCE(ring->xdp_tx);
> priv->xdp_stats.rx_xdp_tx_full += READ_ONCE(ring->xdp_tx_full);
> }
> diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> index 557d7daac2d3..650e6a1844ae 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
> @@ -793,11 +793,13 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
> case XDP_PASS:
> break;
> case XDP_REDIRECT:
> - if (xdp_do_redirect(dev, &xdp, xdp_prog) >= 0) {
> + if (likely(!xdp_do_redirect(dev, &xdp, xdp_prog))) {
> + ring->xdp_redirect++;
> xdp_redir_flush = true;
> frags[0].page = NULL;
> goto next;
> }
> + ring->xdp_redirect_fail++;
> trace_xdp_exception(dev, xdp_prog, act);
> goto xdp_drop_no_cnt;
> case XDP_TX:
> diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
> index f3d1a20201ef..f6c90e97b4cd 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
> +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
> @@ -340,6 +340,8 @@ struct mlx4_en_rx_ring {
> unsigned long csum_complete;
> unsigned long rx_alloc_pages;
> unsigned long xdp_drop;
> + unsigned long xdp_redirect;
> + unsigned long xdp_redirect_fail;
> unsigned long xdp_tx;
> unsigned long xdp_tx_full;
> unsigned long dropped;
> diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
> index 7b51ae8cf759..e9cd4bb6f83d 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
> +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h
> @@ -42,9 +42,11 @@ struct mlx4_en_port_stats {
>
> struct mlx4_en_xdp_stats {
> unsigned long rx_xdp_drop;
> + unsigned long rx_xdp_redirect;
> + unsigned long rx_xdp_redirect_fail;
> unsigned long rx_xdp_tx;
> unsigned long rx_xdp_tx_full;
> -#define NUM_XDP_STATS 3
> +#define NUM_XDP_STATS 5
> };
>
> struct mlx4_en_phy_stats {
>
Thanks for your patch.
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH net-next v3] net/mlx4_en: Add XDP_REDIRECT statistics
2021-09-30 2:30 ` [PATCH net-next v3] " Joshua Roys
2021-09-30 7:19 ` Tariq Toukan
@ 2021-09-30 13:20 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 6+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-09-30 13:20 UTC (permalink / raw)
To: Joshua Roys
Cc: netdev, ast, davem, hawk, john.fastabend, daniel, kuba, bpf,
tariqt, linux-rdma
Hello:
This patch was applied to netdev/net-next.git (refs/heads/master):
On Wed, 29 Sep 2021 22:30:23 -0400 you wrote:
> Add counters for XDP REDIRECT success and failure. This brings the
> redirect path in line with metrics gathered via the other XDP paths.
>
> Signed-off-by: Joshua Roys <roysjosh@gmail.com>
> ---
> drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 8 ++++++++
> drivers/net/ethernet/mellanox/mlx4/en_port.c | 4 ++++
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +++-
> drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 2 ++
> drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h | 4 +++-
> 5 files changed, 20 insertions(+), 2 deletions(-)
>
> [...]
Here is the summary with links:
- [net-next,v3] net/mlx4_en: Add XDP_REDIRECT statistics
https://git.kernel.org/netdev/net-next/c/dee3b2d0fa4b
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 6+ messages in thread
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2021-09-28 13:26 ` [PATCH net-next] net: mlx4: Add XDP_REDIRECT statistics Joshua Roys
2021-09-29 10:19 ` Tariq Toukan
2021-09-30 2:17 ` [PATCH net-next v2] net/mlx4_en: " Joshua Roys
2021-09-30 2:30 ` [PATCH net-next v3] " Joshua Roys
2021-09-30 7:19 ` Tariq Toukan
2021-09-30 13:20 ` patchwork-bot+netdevbpf
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