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nfp: add VF and PF representors to flower app

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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.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Simon Horman 2017-06-23 22:12:09 +02:00 committed by David S. Miller
parent 1025351a88
commit 24a021ed77
1 changed files with 85 additions and 4 deletions
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89
drivers/net/ethernet/netronome/nfp/flower/main.c
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@ -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_stop(struct nfp_app *app)
static void nfp_flower_sriov_disable(struct nfp_app *app)
{
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_PHYS_PORT);
nfp_reprs_clean_and_free_by_type(app, NFP_REPR_TYPE_VF);
}
static int nfp_flower_start(struct nfp_app *app)
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_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 @@ err_reprs_clean:
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,
};