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mlxsw: spectrum_router: Pass argument explicitly

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Instead of relying on the LPM tree to be assigned to the virtual router
before binding the two, lets pass it explicitly.

This will later allow us to return upon binding error instead of having
to perform a rollback of the assignment.

Signed-off-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:
Ido Schimmel 2017-08-14 10:54:04 +02:00 committed by David S. Miller
parent cc70267008
commit 0adb214ba2
1 changed files with 4 additions and 4 deletions
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8
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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@ -659,13 +659,13 @@ static struct mlxsw_sp_vr *mlxsw_sp_vr_find_unused(struct mlxsw_sp *mlxsw_sp)
} }
static int mlxsw_sp_vr_lpm_tree_bind(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp_vr_lpm_tree_bind(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_fib *fib) const struct mlxsw_sp_fib *fib, u8 tree_id)
{ {
char raltb_pl[MLXSW_REG_RALTB_LEN]; char raltb_pl[MLXSW_REG_RALTB_LEN];
mlxsw_reg_raltb_pack(raltb_pl, fib->vr->id, mlxsw_reg_raltb_pack(raltb_pl, fib->vr->id,
(enum mlxsw_reg_ralxx_protocol) fib->proto, (enum mlxsw_reg_ralxx_protocol) fib->proto,
fib->lpm_tree->id); tree_id);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(raltb), raltb_pl); return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(raltb), raltb_pl);
} }
@ -777,7 +777,7 @@ mlxsw_sp_vr_lpm_tree_check(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fib *fib,
/* Prevent packet loss by overwriting existing binding */ /* Prevent packet loss by overwriting existing binding */
fib->lpm_tree = new_tree; fib->lpm_tree = new_tree;
err = mlxsw_sp_vr_lpm_tree_bind(mlxsw_sp, fib); err = mlxsw_sp_vr_lpm_tree_bind(mlxsw_sp, fib, new_tree->id);
if (err) if (err)
goto err_tree_bind; goto err_tree_bind;
mlxsw_sp_lpm_tree_put(mlxsw_sp, lpm_tree); mlxsw_sp_lpm_tree_put(mlxsw_sp, lpm_tree);
@ -2631,7 +2631,7 @@ static int mlxsw_sp_fib_node_init(struct mlxsw_sp *mlxsw_sp,
if (IS_ERR(lpm_tree)) if (IS_ERR(lpm_tree))
return PTR_ERR(lpm_tree); return PTR_ERR(lpm_tree);
fib->lpm_tree = lpm_tree; fib->lpm_tree = lpm_tree;
err = mlxsw_sp_vr_lpm_tree_bind(mlxsw_sp, fib); err = mlxsw_sp_vr_lpm_tree_bind(mlxsw_sp, fib, lpm_tree->id);
if (err) if (err)
goto err_tree_bind; goto err_tree_bind;
} }