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mlxsw: spectrum_acl: Add tcam init/fini ops

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Add ops to be called on driver instance init and fini.
This is needed in order to be possible to do Spectrum-2 specific init
and fini work.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2018-07-08 23:51:21 +03:00 committed by David S. Miller
parent 64eccd0066
commit bab5c1cfb7
5 changed files with 95 additions and 70 deletions
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43
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -503,44 +503,14 @@ struct mlxsw_sp_acl_rule_info {
unsigned int counter_index;
};
enum mlxsw_sp_acl_profile {
MLXSW_SP_ACL_PROFILE_FLOWER,
};
struct mlxsw_sp_acl_profile_ops {
size_t ruleset_priv_size;
int (*ruleset_add)(struct mlxsw_sp *mlxsw_sp,
void *priv, void *ruleset_priv);
void (*ruleset_del)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv);
int (*ruleset_bind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
struct mlxsw_sp_port *mlxsw_sp_port,
bool ingress);
void (*ruleset_unbind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
struct mlxsw_sp_port *mlxsw_sp_port,
bool ingress);
u16 (*ruleset_group_id)(void *ruleset_priv);
size_t (*rule_priv_size)(struct mlxsw_sp *mlxsw_sp);
int (*rule_add)(struct mlxsw_sp *mlxsw_sp,
void *ruleset_priv, void *rule_priv,
struct mlxsw_sp_acl_rule_info *rulei);
void (*rule_del)(struct mlxsw_sp *mlxsw_sp, void *rule_priv);
int (*rule_activity_get)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,
bool *activity);
};
struct mlxsw_sp_acl_ops {
size_t priv_size;
int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv);
void (*fini)(struct mlxsw_sp *mlxsw_sp, void *priv);
const struct mlxsw_sp_acl_profile_ops *
(*profile_ops)(struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_acl_profile profile);
};
struct mlxsw_sp_acl_block;
struct mlxsw_sp_acl_ruleset;
/* spectrum_acl.c */
enum mlxsw_sp_acl_profile {
MLXSW_SP_ACL_PROFILE_FLOWER,
};
struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl);
struct mlxsw_sp *mlxsw_sp_acl_block_mlxsw_sp(struct mlxsw_sp_acl_block *block);
unsigned int mlxsw_sp_acl_block_rule_count(struct mlxsw_sp_acl_block *block);
@ -633,10 +603,15 @@ int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp);
/* spectrum_acl_tcam.c */
struct mlxsw_sp_acl_tcam;
struct mlxsw_sp_acl_tcam_region;
struct mlxsw_sp_acl_tcam_ops {
enum mlxsw_reg_ptar_key_type key_type;
size_t priv_size;
int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv,
struct mlxsw_sp_acl_tcam *tcam);
void (*fini)(struct mlxsw_sp *mlxsw_sp, void *priv);
size_t region_priv_size;
int (*region_init)(struct mlxsw_sp *mlxsw_sp, void *region_priv,
struct mlxsw_sp_acl_tcam_region *region);

13
drivers/net/ethernet/mellanox/mlxsw/spectrum1_acl_tcam.c
View File

@ -58,6 +58,16 @@ struct mlxsw_sp1_acl_tcam_entry {
struct mlxsw_sp_acl_ctcam_entry centry;
};
static int mlxsw_sp1_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv,
struct mlxsw_sp_acl_tcam *tcam)
{
return 0;
}
static void mlxsw_sp1_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, void *priv)
{
}
static int
mlxsw_sp1_acl_ctcam_region_catchall_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp1_acl_tcam_region *region)
@ -218,6 +228,9 @@ mlxsw_sp1_acl_tcam_entry_activity_get(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_acl_tcam_ops mlxsw_sp1_acl_tcam_ops = {
.key_type = MLXSW_REG_PTAR_KEY_TYPE_FLEX,
.priv_size = 0,
.init = mlxsw_sp1_acl_tcam_init,
.fini = mlxsw_sp1_acl_tcam_fini,
.region_priv_size = sizeof(struct mlxsw_sp1_acl_tcam_region),
.region_init = mlxsw_sp1_acl_tcam_region_init,
.region_fini = mlxsw_sp1_acl_tcam_region_fini,

22
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
View File

@ -55,7 +55,6 @@ struct mlxsw_sp_acl {
struct mlxsw_sp *mlxsw_sp;
struct mlxsw_afk *afk;
struct mlxsw_sp_fid *dummy_fid;
const struct mlxsw_sp_acl_ops *ops;
struct rhashtable ruleset_ht;
struct list_head rules;
struct {
@ -63,8 +62,7 @@ struct mlxsw_sp_acl {
unsigned long interval; /* ms */
#define MLXSW_SP_ACL_RULE_ACTIVITY_UPDATE_PERIOD_MS 1000
} rule_activity_update;
unsigned long priv[0];
/* priv has to be always the last item */
struct mlxsw_sp_acl_tcam tcam;
};
struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl)
@ -340,7 +338,7 @@ mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp,
if (err)
goto err_rhashtable_init;
err = ops->ruleset_add(mlxsw_sp, acl->priv, ruleset->priv);
err = ops->ruleset_add(mlxsw_sp, &acl->tcam, ruleset->priv);
if (err)
goto err_ops_ruleset_add;
@ -410,7 +408,7 @@ mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
struct mlxsw_sp_acl_ruleset *ruleset;
ops = acl->ops->profile_ops(mlxsw_sp, profile);
ops = mlxsw_sp_acl_tcam_profile_ops(mlxsw_sp, profile);
if (!ops)
return ERR_PTR(-EINVAL);
ruleset = __mlxsw_sp_acl_ruleset_lookup(acl, block, chain_index, ops);
@ -428,7 +426,7 @@ mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
struct mlxsw_sp_acl_ruleset *ruleset;
ops = acl->ops->profile_ops(mlxsw_sp, profile);
ops = mlxsw_sp_acl_tcam_profile_ops(mlxsw_sp, profile);
if (!ops)
return ERR_PTR(-EINVAL);
@ -827,12 +825,13 @@ int mlxsw_sp_acl_rule_get_stats(struct mlxsw_sp *mlxsw_sp,
int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
{
const struct mlxsw_sp_acl_ops *acl_ops = &mlxsw_sp_acl_tcam_ops;
struct mlxsw_sp_fid *fid;
struct mlxsw_sp_acl *acl;
size_t alloc_size;
int err;
acl = kzalloc(sizeof(*acl) + acl_ops->priv_size, GFP_KERNEL);
alloc_size = sizeof(*acl) + mlxsw_sp_acl_tcam_priv_size(mlxsw_sp);
acl = kzalloc(alloc_size, GFP_KERNEL);
if (!acl)
return -ENOMEM;
mlxsw_sp->acl = acl;
@ -859,12 +858,10 @@ int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
acl->dummy_fid = fid;
INIT_LIST_HEAD(&acl->rules);
err = acl_ops->init(mlxsw_sp, acl->priv);
err = mlxsw_sp_acl_tcam_init(mlxsw_sp, &acl->tcam);
if (err)
goto err_acl_ops_init;
acl->ops = acl_ops;
/* Create the delayed work for the rule activity_update */
INIT_DELAYED_WORK(&acl->rule_activity_update.dw,
mlxsw_sp_acl_rul_activity_update_work);
@ -886,10 +883,9 @@ err_afk_create:
void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_acl *acl = mlxsw_sp->acl;
const struct mlxsw_sp_acl_ops *acl_ops = acl->ops;
cancel_delayed_work_sync(&mlxsw_sp->acl->rule_activity_update.dw);
acl_ops->fini(mlxsw_sp, acl->priv);
mlxsw_sp_acl_tcam_fini(mlxsw_sp, &acl->tcam);
WARN_ON(!list_empty(&acl->rules));
mlxsw_sp_fid_put(acl->dummy_fid);
rhashtable_destroy(&acl->ruleset_ht);

46
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
View File

@ -47,17 +47,17 @@
#include "spectrum_acl_tcam.h"
#include "core_acl_flex_keys.h"
struct mlxsw_sp_acl_tcam {
unsigned long *used_regions; /* bit array */
unsigned int max_regions;
unsigned long *used_groups; /* bit array */
unsigned int max_groups;
unsigned int max_group_size;
};
static int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv)
size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_acl_tcam *tcam = priv;
const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
return ops->priv_size;
}
int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam)
{
const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
u64 max_tcam_regions;
u64 max_regions;
u64 max_groups;
@ -88,17 +88,26 @@ static int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv)
tcam->max_groups = max_groups;
tcam->max_group_size = MLXSW_CORE_RES_GET(mlxsw_sp->core,
ACL_MAX_GROUP_SIZE);
err = ops->init(mlxsw_sp, tcam->priv, tcam);
if (err)
goto err_tcam_init;
return 0;
err_tcam_init:
kfree(tcam->used_groups);
err_alloc_used_groups:
kfree(tcam->used_regions);
return err;
}
static void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp, void *priv)
void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam)
{
struct mlxsw_sp_acl_tcam *tcam = priv;
const struct mlxsw_sp_acl_tcam_ops *ops = mlxsw_sp->acl_tcam_ops;
ops->fini(mlxsw_sp, tcam->priv);
kfree(tcam->used_groups);
kfree(tcam->used_regions);
}
@ -827,10 +836,10 @@ struct mlxsw_sp_acl_tcam_flower_rule {
static int
mlxsw_sp_acl_tcam_flower_ruleset_add(struct mlxsw_sp *mlxsw_sp,
void *priv, void *ruleset_priv)
struct mlxsw_sp_acl_tcam *tcam,
void *ruleset_priv)
{
struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
struct mlxsw_sp_acl_tcam *tcam = priv;
return mlxsw_sp_acl_tcam_group_add(mlxsw_sp, tcam, &ruleset->group,
mlxsw_sp_acl_tcam_patterns,
@ -932,7 +941,7 @@ mlxsw_sp_acl_tcam_profile_ops_arr[] = {
[MLXSW_SP_ACL_PROFILE_FLOWER] = &mlxsw_sp_acl_tcam_flower_ops,
};
static const struct mlxsw_sp_acl_profile_ops *
const struct mlxsw_sp_acl_profile_ops *
mlxsw_sp_acl_tcam_profile_ops(struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_acl_profile profile)
{
@ -945,10 +954,3 @@ mlxsw_sp_acl_tcam_profile_ops(struct mlxsw_sp *mlxsw_sp,
return NULL;
return ops;
}
const struct mlxsw_sp_acl_ops mlxsw_sp_acl_tcam_ops = {
.priv_size = sizeof(struct mlxsw_sp_acl_tcam),
.init = mlxsw_sp_acl_tcam_init,
.fini = mlxsw_sp_acl_tcam_fini,
.profile_ops = mlxsw_sp_acl_tcam_profile_ops,
};

41
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
View File

@ -42,7 +42,46 @@
#include "spectrum.h"
#include "core_acl_flex_keys.h"
extern const struct mlxsw_sp_acl_ops mlxsw_sp_acl_tcam_ops;
struct mlxsw_sp_acl_tcam {
unsigned long *used_regions; /* bit array */
unsigned int max_regions;
unsigned long *used_groups; /* bit array */
unsigned int max_groups;
unsigned int max_group_size;
unsigned long priv[0];
/* priv has to be always the last item */
};
size_t mlxsw_sp_acl_tcam_priv_size(struct mlxsw_sp *mlxsw_sp);
int mlxsw_sp_acl_tcam_init(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam);
void mlxsw_sp_acl_tcam_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam);
struct mlxsw_sp_acl_profile_ops {
size_t ruleset_priv_size;
int (*ruleset_add)(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam, void *ruleset_priv);
void (*ruleset_del)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv);
int (*ruleset_bind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
struct mlxsw_sp_port *mlxsw_sp_port,
bool ingress);
void (*ruleset_unbind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
struct mlxsw_sp_port *mlxsw_sp_port,
bool ingress);
u16 (*ruleset_group_id)(void *ruleset_priv);
size_t (*rule_priv_size)(struct mlxsw_sp *mlxsw_sp);
int (*rule_add)(struct mlxsw_sp *mlxsw_sp,
void *ruleset_priv, void *rule_priv,
struct mlxsw_sp_acl_rule_info *rulei);
void (*rule_del)(struct mlxsw_sp *mlxsw_sp, void *rule_priv);
int (*rule_activity_get)(struct mlxsw_sp *mlxsw_sp, void *rule_priv,
bool *activity);
};
const struct mlxsw_sp_acl_profile_ops *
mlxsw_sp_acl_tcam_profile_ops(struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_acl_profile profile);
#define MLXSW_SP_ACL_TCAM_REGION_BASE_COUNT 16
#define MLXSW_SP_ACL_TCAM_REGION_RESIZE_STEP 16