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net/mlx5: Initialize satellite PF SF vports

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Extend satellite PF (SPF) initialization to allocate SF vports for each
SPF. For each discovered SPF, query its SF capabilities, allocate SF
vports, and store the host_number for controller identification.

Add accessor APIs mlx5_esw_get_num_spfs(),
mlx5_esw_spf_get_host_number(), mlx5_esw_sf_max_spf_functions(), and
mlx5_esw_has_spf_sfs() for use by the SF hardware table in a subsequent
patch. Also extend mlx5_esw_offloads_controller_valid() to accept SPF
controllers in addition to the host PF controller.

Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260521110843.367329-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Moshe Shemesh
2026-05-21 14:08:35 +03:00
committed by Jakub Kicinski
parent 171b7fb59f
commit 7aed78522d
3 changed files with 97 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View File

@@ -2083,6 +2083,51 @@ int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs,
sf_base_id);
}
int mlx5_esw_sf_max_spf_functions(struct mlx5_core_dev *dev, int spf_idx,
u16 *max_sfs, u16 *sf_base_id)
{
struct mlx5_eswitch *esw = dev->priv.eswitch;
u16 vport_num;
if (!mlx5_esw_allowed(esw)) {
*max_sfs = 0;
return 0;
}
if (spf_idx >= esw->esw_funcs.num_spfs)
return -EINVAL;
vport_num = esw->esw_funcs.spfs[spf_idx].vport_num;
return mlx5_esw_sf_max_pf_functions(dev, vport_num, max_sfs,
sf_base_id);
}
int mlx5_esw_get_num_spfs(struct mlx5_core_dev *dev)
{
struct mlx5_eswitch *esw = dev->priv.eswitch;
if (!mlx5_esw_allowed(esw))
return 0;
return esw->esw_funcs.num_spfs;
}
int mlx5_esw_spf_get_host_number(struct mlx5_core_dev *dev, int spf_idx,
u16 *host_number)
{
struct mlx5_eswitch *esw = dev->priv.eswitch;
if (!mlx5_esw_allowed(esw))
return -EPERM;
if (spf_idx >= esw->esw_funcs.num_spfs)
return -EINVAL;
*host_number = esw->esw_funcs.spfs[spf_idx].host_number;
return 0;
}
u16 mlx5_esw_get_hpf_host_number(struct mlx5_core_dev *dev)
{
struct mlx5_eswitch *esw = dev->priv.eswitch;
@@ -2093,6 +2138,16 @@ u16 mlx5_esw_get_hpf_host_number(struct mlx5_core_dev *dev)
return esw->esw_funcs.hpf_host_number;
}
bool mlx5_esw_has_spf_sfs(struct mlx5_core_dev *dev)
{
struct mlx5_eswitch *esw = dev->priv.eswitch;
if (!mlx5_esw_allowed(esw))
return false;
return esw->esw_funcs.has_spf_sfs;
}
static int mlx5_esw_hpf_host_number_init(struct mlx5_eswitch *esw)
{
struct mlx5_esw_pf_info host_pf_info;
@@ -2219,6 +2274,8 @@ static int mlx5_esw_spfs_init(struct mlx5_eswitch *esw)
esw_funcs->spfs[esw_funcs->num_spfs].vport_num = vport_num;
esw_funcs->spfs[esw_funcs->num_spfs].vhca_id = vhca_id;
esw_funcs->spfs[esw_funcs->num_spfs].host_number =
MLX5_GET(network_function_params, entry, host_number);
esw_funcs->num_spfs++;
entry += MLX5_UN_SZ_BYTES(net_function_params);
@@ -2245,6 +2302,7 @@ static void mlx5_esw_vports_cleanup(struct mlx5_eswitch *esw)
unsigned long i;
mlx5_esw_spfs_cleanup(esw);
esw->esw_funcs.has_spf_sfs = false;
mlx5_esw_for_each_vport(esw, i, vport)
mlx5_esw_vport_free(esw, vport);
xa_destroy(&esw->vports);
@@ -2253,8 +2311,7 @@ static void mlx5_esw_vports_cleanup(struct mlx5_eswitch *esw)
static int mlx5_esw_vports_init(struct mlx5_eswitch *esw)
{
struct mlx5_core_dev *dev = esw->dev;
u16 max_host_pf_sfs;
u16 base_sf_num;
u16 max_sfs, base_sf_num;
int idx = 0;
int err;
int i;
@@ -2291,10 +2348,10 @@ static int mlx5_esw_vports_init(struct mlx5_eswitch *esw)
idx++;
}
err = mlx5_esw_sf_max_hpf_functions(dev, &max_host_pf_sfs, &base_sf_num);
err = mlx5_esw_sf_max_hpf_functions(dev, &max_sfs, &base_sf_num);
if (err)
goto err;
for (i = 0; i < max_host_pf_sfs; i++) {
for (i = 0; i < max_sfs; i++) {
err = mlx5_esw_vport_alloc(esw, idx, base_sf_num + i);
if (err)
goto err;
@@ -2316,6 +2373,22 @@ static int mlx5_esw_vports_init(struct mlx5_eswitch *esw)
goto err;
vport = mlx5_eswitch_get_vport(esw, vport_num);
vport->vhca_id = esw->esw_funcs.spfs[i].vhca_id;
err = mlx5_esw_sf_max_spf_functions(dev, i,
&max_sfs, &base_sf_num);
if (err)
goto err;
if (max_sfs)
esw->esw_funcs.has_spf_sfs = true;
for (int j = 0; j < max_sfs; j++) {
err = mlx5_esw_vport_alloc(esw, idx,
base_sf_num + j);
if (err)
goto err;
xa_set_mark(&esw->vports, base_sf_num + j,
MLX5_ESW_VPT_SF);
idx++;
}
}
if (mlx5_core_ec_sriov_enabled(esw->dev)) {

8
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@@ -352,6 +352,7 @@ struct mlx5_host_work {
struct mlx5_esw_spf {
u16 vport_num;
u16 vhca_id;
u16 host_number;
};
struct mlx5_esw_functions {
@@ -360,6 +361,7 @@ struct mlx5_esw_functions {
u16 num_vfs;
u16 num_ec_vfs;
u16 hpf_host_number;
bool has_spf_sfs;
struct mlx5_esw_spf *spfs;
int num_spfs;
};
@@ -879,8 +881,14 @@ void mlx5_esw_offloads_devlink_port_unregister(struct mlx5_vport *vport);
struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u16 vport_num);
int mlx5_esw_sf_max_hpf_functions(struct mlx5_core_dev *dev, u16 *max_sfs, u16 *sf_base_id);
int mlx5_esw_sf_max_spf_functions(struct mlx5_core_dev *dev, int spf_idx,
u16 *max_sfs, u16 *sf_base_id);
int mlx5_esw_get_num_spfs(struct mlx5_core_dev *dev);
int mlx5_esw_spf_get_host_number(struct mlx5_core_dev *dev, int spf_idx,
u16 *host_number);
u16 mlx5_esw_get_hpf_host_number(struct mlx5_core_dev *dev);
bool mlx5_esw_has_spf_sfs(struct mlx5_core_dev *dev);
int mlx5_esw_vport_vhca_id_map(struct mlx5_eswitch *esw,
struct mlx5_vport *vport);

13
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
View File

@@ -3821,6 +3821,9 @@ int mlx5_esw_funcs_changed_handler(struct notifier_block *nb,
bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 controller)
{
const struct mlx5_esw_functions *esw_funcs;
int i;
/* Local controller is always valid */
if (controller == 0)
return true;
@@ -3829,7 +3832,15 @@ bool mlx5_esw_offloads_controller_valid(const struct mlx5_eswitch *esw, u32 cont
return false;
/* External host number starts with zero in device */
return (controller == mlx5_esw_get_hpf_host_number(esw->dev) + 1);
if (controller == mlx5_esw_get_hpf_host_number(esw->dev) + 1)
return true;
esw_funcs = &esw->esw_funcs;
for (i = 0; i < esw_funcs->num_spfs; i++) {
if (controller == esw_funcs->spfs[i].host_number + 1)
return true;
}
return false;
}
int esw_offloads_enable(struct mlx5_eswitch *esw)