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mlxsw: spectrum_acl: Put vchunk migrate start/end code into separate functions 

In preparations of interrupt/continue of rehash work, put the code that
is done at the beginning/end of vchunk migrate function into separate
functions.

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 2019-02-28 06:59:24 +00:00 committed by David S. Miller
parent 220f4fba3d
commit 844f01da93
1 changed files with 32 additions and 11 deletions
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43
drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
View File

@ -1193,15 +1193,12 @@ mlxsw_sp_acl_tcam_ventry_migrate(struct mlxsw_sp *mlxsw_sp,
}
static int
mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_vchunk *vchunk,
struct mlxsw_sp_acl_tcam_region *region,
struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
mlxsw_sp_acl_tcam_vchunk_migrate_start(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_vchunk *vchunk,
struct mlxsw_sp_acl_tcam_region *region,
struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
{
struct mlxsw_sp_acl_tcam_chunk *new_chunk;
struct mlxsw_sp_acl_tcam_ventry *ventry;
int err;
int err2;
new_chunk = mlxsw_sp_acl_tcam_chunk_create(mlxsw_sp, vchunk, region);
if (IS_ERR(new_chunk)) {
@ -1211,6 +1208,31 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
}
vchunk->chunk2 = vchunk->chunk;
vchunk->chunk = new_chunk;
return 0;
}
static void
mlxsw_sp_acl_tcam_vchunk_migrate_end(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_vchunk *vchunk)
{
mlxsw_sp_acl_tcam_chunk_destroy(mlxsw_sp, vchunk->chunk2);
vchunk->chunk2 = NULL;
}
static int
mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_vchunk *vchunk,
struct mlxsw_sp_acl_tcam_region *region,
struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
{
struct mlxsw_sp_acl_tcam_ventry *ventry;
int err;
int err2;
err = mlxsw_sp_acl_tcam_vchunk_migrate_start(mlxsw_sp, vchunk,
region, ctx);
if (err)
return err;
list_for_each_entry(ventry, &vchunk->ventry_list, list) {
err = mlxsw_sp_acl_tcam_ventry_migrate(mlxsw_sp, ventry,
@ -1223,8 +1245,8 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
goto rollback;
}
}
mlxsw_sp_acl_tcam_chunk_destroy(mlxsw_sp, vchunk->chunk2);
vchunk->chunk2 = NULL;
mlxsw_sp_acl_tcam_vchunk_migrate_end(mlxsw_sp, vchunk);
return 0;
rollback:
@ -1243,8 +1265,7 @@ rollback:
}
}
mlxsw_sp_acl_tcam_chunk_destroy(mlxsw_sp, vchunk->chunk2);
vchunk->chunk2 = NULL;
mlxsw_sp_acl_tcam_vchunk_migrate_end(mlxsw_sp, vchunk);
err_rollback:
return err;