diff mbox series

[RFC,Optimizing,veth,xsk,performance,01/10] veth: Implement ethtool's get_ringparam() callback

Message ID 20230803140441.53596-2-huangjie.albert@bytedance.com
State New
Headers
Series |

Commit Message

黄杰 Aug. 3, 2023, 2:04 p.m. UTC 
  some xsk libary calls get_ringparam() API to get the queue length
to init the xsk umem.

Implement that in veth so those scenarios can work properly.

Signed-off-by: huangjie.albert <huangjie.albert@bytedance.com>
---
 drivers/net/veth.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Comments

Simon Horman Aug. 4, 2023, 8:41 p.m. UTC | #1 
On Thu, Aug 03, 2023 at 10:04:27PM +0800, huangjie.albert wrote:
> some xsk libary calls get_ringparam() API to get the queue length

nit: libary -> library

Please consider using checkpatch.pl --codespell
diff mbox series

Patch

diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 614f3e3efab0..c2b431a7a017 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -255,6 +255,17 @@  static void veth_get_channels(struct net_device *dev,
 static int veth_set_channels(struct net_device *dev,
 			     struct ethtool_channels *ch);
 
+static void veth_get_ringparam(struct net_device *dev,
+				  struct ethtool_ringparam *ring,
+				  struct kernel_ethtool_ringparam *kernel_ring,
+				  struct netlink_ext_ack *extack)
+{
+	ring->rx_max_pending = VETH_RING_SIZE;
+	ring->tx_max_pending = VETH_RING_SIZE;
+	ring->rx_pending = VETH_RING_SIZE;
+	ring->tx_pending = VETH_RING_SIZE;
+}
+
 static const struct ethtool_ops veth_ethtool_ops = {
 	.get_drvinfo		= veth_get_drvinfo,
 	.get_link		= ethtool_op_get_link,
@@ -265,6 +276,7 @@  static const struct ethtool_ops veth_ethtool_ops = {
 	.get_ts_info		= ethtool_op_get_ts_info,
 	.get_channels		= veth_get_channels,
 	.set_channels		= veth_set_channels,
+	.get_ringparam		= veth_get_ringparam,
 };
 
 /* general routines */