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mlxsw: spectrum: Implement max virtual routers resource 

Replace max virtual routers const with the result from
the resource query.

Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nogah Frankel 2016-09-20 11:16:54 +02:00 committed by David S. Miller
parent b8a09f0a09
commit 9497c042bf
2 changed files with 38 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/mellanox/mlxsw/spectrum.h
View File

@ -64,8 +64,6 @@
#define MLXSW_SP_LPM_TREE_MAX 22
#define MLXSW_SP_LPM_TREE_COUNT (MLXSW_SP_LPM_TREE_MAX - MLXSW_SP_LPM_TREE_MIN)
#define MLXSW_SP_VIRTUAL_ROUTER_MAX 256
#define MLXSW_SP_PORT_BASE_SPEED 25000 /* Mb/s */
#define MLXSW_SP_BYTES_PER_CELL 96
@ -249,7 +247,7 @@ struct mlxsw_sp_port_mall_tc_entry {
struct mlxsw_sp_router {
struct mlxsw_sp_lpm_tree lpm_trees[MLXSW_SP_LPM_TREE_COUNT];
struct mlxsw_sp_vr vrs[MLXSW_SP_VIRTUAL_ROUTER_MAX];
struct mlxsw_sp_vr *vrs;
struct rhashtable neigh_ht;
struct {
struct delayed_work dw;

43
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
View File

@ -372,10 +372,12 @@ static void mlxsw_sp_lpm_init(struct mlxsw_sp *mlxsw_sp)
static struct mlxsw_sp_vr *mlxsw_sp_vr_find_unused(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_resources *resources;
struct mlxsw_sp_vr *vr;
int i;
for (i = 0; i < MLXSW_SP_VIRTUAL_ROUTER_MAX; i++) {
resources = mlxsw_core_resources_get(mlxsw_sp->core);
for (i = 0; i < resources->max_virtual_routers; i++) {
vr = &mlxsw_sp->router.vrs[i];
if (!vr->used)
return vr;
@ -417,11 +419,14 @@ static struct mlxsw_sp_vr *mlxsw_sp_vr_find(struct mlxsw_sp *mlxsw_sp,
u32 tb_id,
enum mlxsw_sp_l3proto proto)
{
struct mlxsw_resources *resources;
struct mlxsw_sp_vr *vr;
int i;
tb_id = mlxsw_sp_fix_tb_id(tb_id);
for (i = 0; i < MLXSW_SP_VIRTUAL_ROUTER_MAX; i++) {
resources = mlxsw_core_resources_get(mlxsw_sp->core);
for (i = 0; i < resources->max_virtual_routers; i++) {
vr = &mlxsw_sp->router.vrs[i];
if (vr->used && vr->proto == proto && vr->tb_id == tb_id)
return vr;
@ -555,15 +560,33 @@ static void mlxsw_sp_vr_put(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_vr *vr)
&vr->fib->prefix_usage);
}
static void mlxsw_sp_vrs_init(struct mlxsw_sp *mlxsw_sp)
static int mlxsw_sp_vrs_init(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_resources *resources;
struct mlxsw_sp_vr *vr;
int i;
for (i = 0; i < MLXSW_SP_VIRTUAL_ROUTER_MAX; i++) {
resources = mlxsw_core_resources_get(mlxsw_sp->core);
if (!resources->max_virtual_routers_valid)
return -EIO;
mlxsw_sp->router.vrs = kcalloc(resources->max_virtual_routers,
sizeof(struct mlxsw_sp_vr),
GFP_KERNEL);
if (!mlxsw_sp->router.vrs)
return -ENOMEM;
for (i = 0; i < resources->max_virtual_routers; i++) {
vr = &mlxsw_sp->router.vrs[i];
vr->id = i;
}
return 0;
}
static void mlxsw_sp_vrs_fini(struct mlxsw_sp *mlxsw_sp)
{
kfree(mlxsw_sp->router.vrs);
}
struct mlxsw_sp_neigh_key {
@ -1523,14 +1546,21 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
err = __mlxsw_sp_router_init(mlxsw_sp);
if (err)
return err;
mlxsw_sp_lpm_init(mlxsw_sp);
mlxsw_sp_vrs_init(mlxsw_sp);
err = mlxsw_sp_neigh_init(mlxsw_sp);
err = mlxsw_sp_vrs_init(mlxsw_sp);
if (err)
goto err_vrs_init;
err = mlxsw_sp_neigh_init(mlxsw_sp);
if (err)
goto err_neigh_init;
return 0;
err_neigh_init:
mlxsw_sp_vrs_fini(mlxsw_sp);
err_vrs_init:
__mlxsw_sp_router_fini(mlxsw_sp);
return err;
}
@ -1538,6 +1568,7 @@ err_neigh_init:
void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_neigh_fini(mlxsw_sp);
mlxsw_sp_vrs_fini(mlxsw_sp);
__mlxsw_sp_router_fini(mlxsw_sp);
}