diff mbox series

[iwl-next,v5,12/15] ice: implement netdevice ops for SF representor

Message ID 20240606112503.1939759-13-michal.swiatkowski@linux.intel.com (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series ice: support devlink subfunction | expand

Checks

Context Check Description
netdev/tree_selection success Guessing tree name failed - patch did not apply

Commit Message

Michal Swiatkowski June 6, 2024, 11:25 a.m. UTC 
Subfunction port representor needs the basic netdevice ops to work
correctly. Create them.

Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
---
 drivers/net/ethernet/intel/ice/ice_repr.c | 57 +++++++++++++++++------
 1 file changed, 43 insertions(+), 14 deletions(-)

Comments

Simon Horman June 14, 2024, 11:02 a.m. UTC | #1 
On Thu, Jun 06, 2024 at 01:25:00PM +0200, Michal Swiatkowski wrote:
> Subfunction port representor needs the basic netdevice ops to work
> correctly. Create them.
> 
> Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
> Reviewed-by: Jiri Pirko <jiri@nvidia.com>
> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>

Reviewed-by: Simon Horman <horms@kernel.org>
Romanowski, Rafal July 23, 2024, 11:24 a.m. UTC | #2 
> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf Of Simon
> Horman
> Sent: Friday, June 14, 2024 1:02 PM
> To: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
> Cc: shayd@nvidia.com; Fijalkowski, Maciej <maciej.fijalkowski@intel.com>;
> Polchlopek, Mateusz <mateusz.polchlopek@intel.com>; netdev@vger.kernel.org;
> jiri@nvidia.com; kalesh-anakkur.purayil@broadcom.com; Kubiak, Michal
> <michal.kubiak@intel.com>; intel-wired-lan@lists.osuosl.org;
> pio.raczynski@gmail.com; Samudrala, Sridhar <sridhar.samudrala@intel.com>;
> Keller, Jacob E <jacob.e.keller@intel.com>; Drewek, Wojciech
> <wojciech.drewek@intel.com>; Kitszel, Przemyslaw
> <przemyslaw.kitszel@intel.com>
> Subject: Re: [Intel-wired-lan] [iwl-next v5 12/15] ice: implement netdevice ops
> for SF representor
> 
> On Thu, Jun 06, 2024 at 01:25:00PM +0200, Michal Swiatkowski wrote:
> > Subfunction port representor needs the basic netdevice ops to work
> > correctly. Create them.
> >
> > Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
> > Reviewed-by: Jiri Pirko <jiri@nvidia.com>
> > Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
> 
> Reviewed-by: Simon Horman <horms@kernel.org>


Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c
index 229831fe2cd2..78abfdf5d47b 100644
--- a/drivers/net/ethernet/intel/ice/ice_repr.c
+++ b/drivers/net/ethernet/intel/ice/ice_repr.c
@@ -59,12 +59,13 @@  static void
 ice_repr_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 {
 	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_repr *repr = np->repr;
 	struct ice_eth_stats *eth_stats;
 	struct ice_vsi *vsi;
 
-	if (ice_is_vf_disabled(np->repr->vf))
+	if (repr->ops.ready(repr))
 		return;
-	vsi = np->repr->src_vsi;
+	vsi = repr->src_vsi;
 
 	ice_update_vsi_stats(vsi);
 	eth_stats = &vsi->eth_stats;
@@ -93,7 +94,7 @@  struct ice_repr *ice_netdev_to_repr(const struct net_device *netdev)
 }
 
 /**
- * ice_repr_open - Enable port representor's network interface
+ * ice_repr_vf_open - Enable port representor's network interface
  * @netdev: network interface device structure
  *
  * The open entry point is called when a port representor's network
@@ -102,7 +103,7 @@  struct ice_repr *ice_netdev_to_repr(const struct net_device *netdev)
  *
  * Returns 0 on success
  */
-static int ice_repr_open(struct net_device *netdev)
+static int ice_repr_vf_open(struct net_device *netdev)
 {
 	struct ice_repr *repr = ice_netdev_to_repr(netdev);
 	struct ice_vf *vf;
@@ -118,8 +119,16 @@  static int ice_repr_open(struct net_device *netdev)
 	return 0;
 }
 
+static int ice_repr_sf_open(struct net_device *netdev)
+{
+	netif_carrier_on(netdev);
+	netif_tx_start_all_queues(netdev);
+
+	return 0;
+}
+
 /**
- * ice_repr_stop - Disable port representor's network interface
+ * ice_repr_vf_stop - Disable port representor's network interface
  * @netdev: network interface device structure
  *
  * The stop entry point is called when a port representor's network
@@ -128,7 +137,7 @@  static int ice_repr_open(struct net_device *netdev)
  *
  * Returns 0 on success
  */
-static int ice_repr_stop(struct net_device *netdev)
+static int ice_repr_vf_stop(struct net_device *netdev)
 {
 	struct ice_repr *repr = ice_netdev_to_repr(netdev);
 	struct ice_vf *vf;
@@ -144,6 +153,14 @@  static int ice_repr_stop(struct net_device *netdev)
 	return 0;
 }
 
+static int ice_repr_sf_stop(struct net_device *netdev)
+{
+	netif_carrier_off(netdev);
+	netif_tx_stop_all_queues(netdev);
+
+	return 0;
+}
+
 /**
  * ice_repr_sp_stats64 - get slow path stats for port representor
  * @dev: network interface device structure
@@ -245,10 +262,20 @@  ice_repr_setup_tc(struct net_device *netdev, enum tc_setup_type type,
 	}
 }
 
-static const struct net_device_ops ice_repr_netdev_ops = {
+static const struct net_device_ops ice_repr_vf_netdev_ops = {
+	.ndo_get_stats64 = ice_repr_get_stats64,
+	.ndo_open = ice_repr_vf_open,
+	.ndo_stop = ice_repr_vf_stop,
+	.ndo_start_xmit = ice_eswitch_port_start_xmit,
+	.ndo_setup_tc = ice_repr_setup_tc,
+	.ndo_has_offload_stats = ice_repr_ndo_has_offload_stats,
+	.ndo_get_offload_stats = ice_repr_ndo_get_offload_stats,
+};
+
+static const struct net_device_ops ice_repr_sf_netdev_ops = {
 	.ndo_get_stats64 = ice_repr_get_stats64,
-	.ndo_open = ice_repr_open,
-	.ndo_stop = ice_repr_stop,
+	.ndo_open = ice_repr_sf_open,
+	.ndo_stop = ice_repr_sf_stop,
 	.ndo_start_xmit = ice_eswitch_port_start_xmit,
 	.ndo_setup_tc = ice_repr_setup_tc,
 	.ndo_has_offload_stats = ice_repr_ndo_has_offload_stats,
@@ -261,18 +288,20 @@  static const struct net_device_ops ice_repr_netdev_ops = {
  */
 bool ice_is_port_repr_netdev(const struct net_device *netdev)
 {
-	return netdev && (netdev->netdev_ops == &ice_repr_netdev_ops);
+	return netdev && (netdev->netdev_ops == &ice_repr_vf_netdev_ops ||
+			  netdev->netdev_ops == &ice_repr_sf_netdev_ops);
 }
 
 /**
  * ice_repr_reg_netdev - register port representor netdev
  * @netdev: pointer to port representor netdev
+ * @ops: new ops for netdev
  */
 static int
-ice_repr_reg_netdev(struct net_device *netdev)
+ice_repr_reg_netdev(struct net_device *netdev, const struct net_device_ops *ops)
 {
 	eth_hw_addr_random(netdev);
-	netdev->netdev_ops = &ice_repr_netdev_ops;
+	netdev->netdev_ops = ops;
 	ice_set_ethtool_repr_ops(netdev);
 
 	netdev->hw_features |= NETIF_F_HW_TC;
@@ -386,7 +415,7 @@  static int ice_repr_add_vf(struct ice_repr *repr)
 		return err;
 
 	SET_NETDEV_DEVLINK_PORT(repr->netdev, &vf->devlink_port);
-	err = ice_repr_reg_netdev(repr->netdev);
+	err = ice_repr_reg_netdev(repr->netdev, &ice_repr_vf_netdev_ops);
 	if (err)
 		goto err_netdev;
 
@@ -447,7 +476,7 @@  static int ice_repr_add_sf(struct ice_repr *repr)
 		return err;
 
 	SET_NETDEV_DEVLINK_PORT(repr->netdev, &sf->devlink_port);
-	err = ice_repr_reg_netdev(repr->netdev);
+	err = ice_repr_reg_netdev(repr->netdev, &ice_repr_sf_netdev_ops);
 	if (err)
 		goto err_netdev;