Initialise VF and PF representors in flower app.
Based in part on work by Benjamin LaHaise, Bert van Leeuwen and
Jakub Kicinski.
Signed-off-by: Simon Horman <simon.hor...@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicin...@netronome.com>
---
v3
* Do not associate VF representors with PF using SET_NETDEV_DEV
* Use random MAC address for VF representors
---
drivers/net/ethernet/netronome/nfp/flower/main.c | 85 +++++++++++++++++++++++-
1 file changed, 83 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c
b/drivers/net/ethernet/netronome/nfp/flower/main.c
index 54d8180317ec..8e5ca6b4bb33 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -149,15 +149,80 @@ static const struct net_device_ops
nfp_flower_repr_netdev_ops = {
.ndo_get_offload_stats = nfp_repr_get_offload_stats,
};
+static void nfp_flower_sriov_disable(struct nfp_app *app)
+{
+ nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_VF);
+}
+
+static int
+nfp_flower_spawn_vnic_reprs(struct nfp_app *app,
+ enum nfp_flower_cmsg_port_vnic_type vnic_type,
+ enum nfp_repr_type repr_type, unsigned int cnt)
+{
+ u8 nfp_pcie = nfp_cppcore_pcie_unit(app->pf->cpp);
+ struct nfp_flower_priv *priv = app->priv;
+ struct nfp_reprs *reprs, *old_reprs;
+ const u8 queue = 0;
+ int i, err;
+
+ reprs = nfp_reprs_alloc(cnt);
+ if (!reprs)
+ return -ENOMEM;
+
+ for (i = 0; i < cnt; i++) {
+ u32 port_id;
+
+ reprs->reprs[i] = nfp_repr_alloc(app);
+ if (!reprs->reprs[i]) {
+ err = -ENOMEM;
+ goto err_reprs_clean;
+ }
+
+ eth_hw_addr_random(reprs->reprs[i]);
+
+ port_id = nfp_flower_cmsg_pcie_port(nfp_pcie, vnic_type,
+ i, queue);
+ err = nfp_repr_init(app, reprs->reprs[i],
+ &nfp_flower_repr_netdev_ops,
+ port_id, NULL, priv->nn->dp.netdev);
+ if (err)
+ goto err_reprs_clean;
+
+ nfp_info(app->cpp, "%s%d Representor(%s) created\n",
+ repr_type == NFP_REPR_TYPE_PF ? "PF" : "VF", i,
+ reprs->reprs[i]->name);
+ }
+
+ old_reprs = nfp_app_reprs_set(app, repr_type, reprs);
+ if (IS_ERR(old_reprs)) {
+ err = PTR_ERR(old_reprs);
+ goto err_reprs_clean;
+ }
+
+ return 0;
+err_reprs_clean:
+ nfp_reprs_clean_and_free(reprs);
+ return err;
+}
+
+static int nfp_flower_sriov_enable(struct nfp_app *app, int num_vfs)
+{
+ return nfp_flower_spawn_vnic_reprs(app,
+ NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF,
+ NFP_REPR_TYPE_VF, num_vfs);
+}
+
static void nfp_flower_stop(struct nfp_app *app)
{
+ nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PF);
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PHYS_PORT);
+
}
-static int nfp_flower_start(struct nfp_app *app)
+static int
+nfp_flower_spawn_phy_reprs(struct nfp_app *app, struct nfp_flower_priv *priv)
{
struct nfp_eth_table *eth_tbl = app->pf->eth_tbl;
- struct nfp_flower_priv *priv = app->priv;
struct nfp_reprs *reprs, *old_reprs;
unsigned int i;
int err;
@@ -218,6 +283,19 @@ static int nfp_flower_start(struct nfp_app *app)
return err;
}
+static int nfp_flower_start(struct nfp_app *app)
+{
+ int err;
+
+ err = nfp_flower_spawn_phy_reprs(app, app->priv);
+ if (err)
+ return err;
+
+ return nfp_flower_spawn_vnic_reprs(app,
+ NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF,
+ NFP_REPR_TYPE_PF, 1);
+}
+
static void nfp_flower_vnic_clean(struct nfp_app *app, struct nfp_net *nn)
{
kfree(app->priv);
@@ -289,6 +367,9 @@ const struct nfp_app_type app_flower = {
.ctrl_msg_rx = nfp_flower_cmsg_rx,
+ .sriov_enable = nfp_flower_sriov_enable,
+ .sriov_disable = nfp_flower_sriov_disable,
+
.eswitch_mode_get = eswitch_mode_get,
.repr_get = nfp_flower_repr_get,
};
--
2.1.4
