From: John Hurley <john.hur...@netronome.com>
Register a callback for offloading flows that have a repr as their egress
device. The new egdev_register function is added to net-next for the 4.15
release.
Signed-off-by: John Hurley <john.hur...@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicin...@netronome.com>
---
drivers/net/ethernet/netronome/nfp/flower/main.c | 18 ++++++++++++++++++
drivers/net/ethernet/netronome/nfp/flower/main.h | 2 ++
drivers/net/ethernet/netronome/nfp/flower/offload.c | 6 ++++++
drivers/net/ethernet/netronome/nfp/nfp_app.h | 20 ++++++++++++++++++++
drivers/net/ethernet/netronome/nfp/nfp_net_repr.c | 9 ++++++++-
5 files changed, 54 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c
b/drivers/net/ethernet/netronome/nfp/flower/main.c
index e0283bb24f06..8fcc90c0d2d3 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -125,6 +125,21 @@ nfp_flower_repr_netdev_stop(struct nfp_app *app, struct
nfp_repr *repr)
return nfp_flower_cmsg_portmod(repr, false);
}
+static int
+nfp_flower_repr_netdev_init(struct nfp_app *app, struct net_device *netdev)
+{
+ return tc_setup_cb_egdev_register(netdev,
+ nfp_flower_setup_tc_egress_cb,
+ netdev_priv(netdev));
+}
+
+static void
+nfp_flower_repr_netdev_clean(struct nfp_app *app, struct net_device *netdev)
+{
+ tc_setup_cb_egdev_unregister(netdev, nfp_flower_setup_tc_egress_cb,
+ netdev_priv(netdev));
+}
+
static void nfp_flower_sriov_disable(struct nfp_app *app)
{
struct nfp_flower_priv *priv = app->priv;
@@ -452,6 +467,9 @@ const struct nfp_app_type app_flower = {
.vnic_init = nfp_flower_vnic_init,
.vnic_clean = nfp_flower_vnic_clean,
+ .repr_init = nfp_flower_repr_netdev_init,
+ .repr_clean = nfp_flower_repr_netdev_clean,
+
.repr_open = nfp_flower_repr_netdev_open,
.repr_stop = nfp_flower_repr_netdev_stop,
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h
b/drivers/net/ethernet/netronome/nfp/flower/main.h
index a69ea62e9c9c..e6b26c5ae6e0 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -196,5 +196,7 @@ void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32
ipv4);
void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4);
void nfp_tunnel_request_route(struct nfp_app *app, struct sk_buff *skb);
void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb);
+int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv);
#endif
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c
b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index cdbb5464b790..a0193e0c24a0 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -465,6 +465,12 @@ nfp_flower_repr_offload(struct nfp_app *app, struct
net_device *netdev,
return -EOPNOTSUPP;
}
+int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv)
+{
+ return -EINVAL;
+}
+
static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type,
void *type_data, void *cb_priv)
{
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_app.h
b/drivers/net/ethernet/netronome/nfp/nfp_app.h
index 54b67c9b8d5b..0e5e0305ad1c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_app.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_app.h
@@ -76,6 +76,8 @@ extern const struct nfp_app_type app_flower;
* @vnic_free: free up app's vNIC state
* @vnic_init: vNIC netdev was registered
* @vnic_clean: vNIC netdev about to be unregistered
+ * @repr_init: representor about to be registered
+ * @repr_clean: representor about to be unregistered
* @repr_open: representor netdev open callback
* @repr_stop: representor netdev stop callback
* @start: start application logic
@@ -109,6 +111,9 @@ struct nfp_app_type {
int (*vnic_init)(struct nfp_app *app, struct nfp_net *nn);
void (*vnic_clean)(struct nfp_app *app, struct nfp_net *nn);
+ int (*repr_init)(struct nfp_app *app, struct net_device *netdev);
+ void (*repr_clean)(struct nfp_app *app, struct net_device *netdev);
+
int (*repr_open)(struct nfp_app *app, struct nfp_repr *repr);
int (*repr_stop)(struct nfp_app *app, struct nfp_repr *repr);
@@ -212,6 +217,21 @@ static inline int nfp_app_repr_stop(struct nfp_app *app,
struct nfp_repr *repr)
return app->type->repr_stop(app, repr);
}
+static inline int
+nfp_app_repr_init(struct nfp_app *app, struct net_device *netdev)
+{
+ if (!app->type->repr_init)
+ return 0;
+ return app->type->repr_init(app, netdev);
+}
+
+static inline void
+nfp_app_repr_clean(struct nfp_app *app, struct net_device *netdev)
+{
+ if (app->type->repr_clean)
+ app->type->repr_clean(app, netdev);
+}
+
static inline int nfp_app_start(struct nfp_app *app, struct nfp_net *ctrl)
{
app->ctrl = ctrl;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index fa052a929170..924a05e05da0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -258,6 +258,7 @@ const struct net_device_ops nfp_repr_netdev_ops = {
static void nfp_repr_clean(struct nfp_repr *repr)
{
unregister_netdev(repr->netdev);
+ nfp_app_repr_clean(repr->app, repr->netdev);
dst_release((struct dst_entry *)repr->dst);
nfp_port_free(repr->port);
}
@@ -306,12 +307,18 @@ int nfp_repr_init(struct nfp_app *app, struct net_device
*netdev,
netdev->hw_features |= NETIF_F_HW_TC;
}
- err = register_netdev(netdev);
+ err = nfp_app_repr_init(app, netdev);
if (err)
goto err_clean;
+ err = register_netdev(netdev);
+ if (err)
+ goto err_repr_clean;
+
return 0;
+err_repr_clean:
+ nfp_app_repr_clean(app, netdev);
err_clean:
dst_release((struct dst_entry *)repr->dst);
return err;
--
2.14.1
