diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c | 104 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h | 3 |
2 files changed, 104 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c index b20422dde147..fa223c1351b4 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c @@ -49,6 +49,7 @@ struct mlxsw_sp_span_trigger_entry { enum mlxsw_sp_span_trigger_type { MLXSW_SP_SPAN_TRIGGER_TYPE_PORT, + MLXSW_SP_SPAN_TRIGGER_TYPE_GLOBAL, }; struct mlxsw_sp_span_trigger_ops { @@ -1140,9 +1141,101 @@ mlxsw_sp_span_trigger_port_ops = { .matches = mlxsw_sp_span_trigger_port_matches, }; +static int +mlxsw_sp1_span_trigger_global_bind(struct mlxsw_sp_span_trigger_entry * + trigger_entry) +{ + return -EOPNOTSUPP; +} + +static void +mlxsw_sp1_span_trigger_global_unbind(struct mlxsw_sp_span_trigger_entry * + trigger_entry) +{ +} + +static bool +mlxsw_sp1_span_trigger_global_matches(struct mlxsw_sp_span_trigger_entry * + trigger_entry, + enum mlxsw_sp_span_trigger trigger, + struct mlxsw_sp_port *mlxsw_sp_port) +{ + WARN_ON_ONCE(1); + return false; +} + +static const struct mlxsw_sp_span_trigger_ops +mlxsw_sp1_span_trigger_global_ops = { + .bind = mlxsw_sp1_span_trigger_global_bind, + .unbind = mlxsw_sp1_span_trigger_global_unbind, + .matches = mlxsw_sp1_span_trigger_global_matches, +}; + +static const struct mlxsw_sp_span_trigger_ops * +mlxsw_sp1_span_trigger_ops_arr[] = { + [MLXSW_SP_SPAN_TRIGGER_TYPE_PORT] = &mlxsw_sp_span_trigger_port_ops, + [MLXSW_SP_SPAN_TRIGGER_TYPE_GLOBAL] = + &mlxsw_sp1_span_trigger_global_ops, +}; + +static int +mlxsw_sp2_span_trigger_global_bind(struct mlxsw_sp_span_trigger_entry * + trigger_entry) +{ + struct mlxsw_sp *mlxsw_sp = trigger_entry->span->mlxsw_sp; + enum mlxsw_reg_mpagr_trigger trigger; + char mpagr_pl[MLXSW_REG_MPAGR_LEN]; + + switch (trigger_entry->trigger) { + case MLXSW_SP_SPAN_TRIGGER_TAIL_DROP: + trigger = MLXSW_REG_MPAGR_TRIGGER_INGRESS_SHARED_BUFFER; + break; + case MLXSW_SP_SPAN_TRIGGER_EARLY_DROP: + trigger = MLXSW_REG_MPAGR_TRIGGER_INGRESS_WRED; + break; + case MLXSW_SP_SPAN_TRIGGER_ECN: + trigger = MLXSW_REG_MPAGR_TRIGGER_EGRESS_ECN; + break; + default: + WARN_ON_ONCE(1); + return -EINVAL; + } + + mlxsw_reg_mpagr_pack(mpagr_pl, trigger, trigger_entry->parms.span_id, + 1); + return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpagr), mpagr_pl); +} + +static void +mlxsw_sp2_span_trigger_global_unbind(struct mlxsw_sp_span_trigger_entry * + trigger_entry) +{ + /* There is no unbinding for global triggers. The trigger should be + * disabled on all ports by now. + */ +} + +static bool +mlxsw_sp2_span_trigger_global_matches(struct mlxsw_sp_span_trigger_entry * + trigger_entry, + enum mlxsw_sp_span_trigger trigger, + struct mlxsw_sp_port *mlxsw_sp_port) +{ + return trigger_entry->trigger == trigger; +} + +static const struct mlxsw_sp_span_trigger_ops +mlxsw_sp2_span_trigger_global_ops = { + .bind = mlxsw_sp2_span_trigger_global_bind, + .unbind = mlxsw_sp2_span_trigger_global_unbind, + .matches = mlxsw_sp2_span_trigger_global_matches, +}; + static const struct mlxsw_sp_span_trigger_ops * -mlxsw_sp_span_trigger_ops_arr[] = { +mlxsw_sp2_span_trigger_ops_arr[] = { [MLXSW_SP_SPAN_TRIGGER_TYPE_PORT] = &mlxsw_sp_span_trigger_port_ops, + [MLXSW_SP_SPAN_TRIGGER_TYPE_GLOBAL] = + &mlxsw_sp2_span_trigger_global_ops, }; static void @@ -1156,6 +1249,11 @@ mlxsw_sp_span_trigger_ops_set(struct mlxsw_sp_span_trigger_entry *trigger_entry) case MLXSW_SP_SPAN_TRIGGER_EGRESS: type = MLXSW_SP_SPAN_TRIGGER_TYPE_PORT; break; + case MLXSW_SP_SPAN_TRIGGER_TAIL_DROP: /* fall-through */ + case MLXSW_SP_SPAN_TRIGGER_EARLY_DROP: /* fall-through */ + case MLXSW_SP_SPAN_TRIGGER_ECN: + type = MLXSW_SP_SPAN_TRIGGER_TYPE_GLOBAL; + break; default: WARN_ON_ONCE(1); return; @@ -1286,7 +1384,7 @@ void mlxsw_sp_span_agent_unbind(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp1_span_init(struct mlxsw_sp *mlxsw_sp) { - mlxsw_sp->span->span_trigger_ops_arr = mlxsw_sp_span_trigger_ops_arr; + mlxsw_sp->span->span_trigger_ops_arr = mlxsw_sp1_span_trigger_ops_arr; return 0; } @@ -1303,7 +1401,7 @@ const struct mlxsw_sp_span_ops mlxsw_sp1_span_ops = { static int mlxsw_sp2_span_init(struct mlxsw_sp *mlxsw_sp) { - mlxsw_sp->span->span_trigger_ops_arr = mlxsw_sp_span_trigger_ops_arr; + mlxsw_sp->span->span_trigger_ops_arr = mlxsw_sp2_span_trigger_ops_arr; return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h index b9acecaf6ee2..bb7939b3f09c 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h @@ -26,6 +26,9 @@ struct mlxsw_sp_span_parms { enum mlxsw_sp_span_trigger { MLXSW_SP_SPAN_TRIGGER_INGRESS, MLXSW_SP_SPAN_TRIGGER_EGRESS, + MLXSW_SP_SPAN_TRIGGER_TAIL_DROP, + MLXSW_SP_SPAN_TRIGGER_EARLY_DROP, + MLXSW_SP_SPAN_TRIGGER_ECN, }; struct mlxsw_sp_span_trigger_parms { |