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Message-ID: <ZjywxuhjwvIlWXt2@nanopsycho.orion>
Date: Thu, 9 May 2024 13:17:26 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
jacob.e.keller@...el.com, michal.kubiak@...el.com,
maciej.fijalkowski@...el.com, sridhar.samudrala@...el.com,
przemyslaw.kitszel@...el.com, wojciech.drewek@...el.com,
pio.raczynski@...il.com, jiri@...dia.com,
mateusz.polchlopek@...el.com, shayd@...dia.com
Subject: Re: [iwl-next v1 11/14] ice: netdevice ops for SF representor
Subject does not have verb. Please add it.
Otherwise, the patch looks ok.
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Tue, May 07, 2024 at 01:45:12PM CEST, michal.swiatkowski@...ux.intel.com wrote:
>Subfunction port representor needs the basic netdevice ops to work
>correctly. Create them.
>
>Reviewed-by: Wojciech Drewek <wojciech.drewek@...el.com>
>Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
>---
> drivers/net/ethernet/intel/ice/ice_repr.c | 57 +++++++++++++++++------
> 1 file changed, 43 insertions(+), 14 deletions(-)
>
>diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c
>index 3cb3fc5f52ea..ec4f5b8b46e6 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;
>
>@@ -439,7 +468,7 @@ 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;
>
>--
>2.42.0
>
>
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