diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 877d17f42e4a..4b4d643abceb 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -253,14 +253,6 @@ struct mlxsw_sp_sample_params { bool truncate; }; -struct mlxsw_sp_port_sample { - struct psample_group *psample_group; - u32 trunc_size; - u32 rate; - bool truncate; - int span_id; /* Relevant for Spectrum-2 onwards. */ -}; - struct mlxsw_sp_bridge_port; struct mlxsw_sp_fid; @@ -324,7 +316,6 @@ struct mlxsw_sp_port { struct mlxsw_sp_port_xstats xstats; struct delayed_work update_dw; } periodic_hw_stats; - struct mlxsw_sp_port_sample __rcu *sample; struct list_head vlans_list; struct mlxsw_sp_port_vlan *default_vlan; struct mlxsw_sp_qdisc_state *qdisc; @@ -1092,6 +1083,11 @@ struct mlxsw_sp_mall_trap_entry { int span_id; }; +struct mlxsw_sp_mall_sample_entry { + struct mlxsw_sp_sample_params params; + int span_id; /* Relevant for Spectrum-2 onwards. */ +}; + struct mlxsw_sp_mall_entry { struct list_head list; unsigned long cookie; @@ -1101,7 +1097,7 @@ struct mlxsw_sp_mall_entry { union { struct mlxsw_sp_mall_mirror_entry mirror; struct mlxsw_sp_mall_trap_entry trap; - struct mlxsw_sp_port_sample sample; + struct mlxsw_sp_mall_sample_entry sample; }; struct rcu_head rcu; }; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c index b189e84987db..459c452b60ba 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c @@ -105,13 +105,19 @@ mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port, struct netlink_ext_ack *extack) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_sample_trigger trigger; int err; - if (rtnl_dereference(mlxsw_sp_port->sample)) { - NL_SET_ERR_MSG(extack, "Sampling already active on port"); - return -EEXIST; - } - rcu_assign_pointer(mlxsw_sp_port->sample, &mall_entry->sample); + if (mall_entry->ingress) + trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_INGRESS; + else + trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_EGRESS; + trigger.local_port = mlxsw_sp_port->local_port; + err = mlxsw_sp_sample_trigger_params_set(mlxsw_sp, &trigger, + &mall_entry->sample.params, + extack); + if (err) + return err; err = mlxsw_sp->mall_ops->sample_add(mlxsw_sp, mlxsw_sp_port, mall_entry, extack); @@ -120,7 +126,7 @@ mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port, return 0; err_port_sample_set: - RCU_INIT_POINTER(mlxsw_sp_port->sample, NULL); + mlxsw_sp_sample_trigger_params_unset(mlxsw_sp, &trigger); return err; } @@ -129,12 +135,16 @@ mlxsw_sp_mall_port_sample_del(struct mlxsw_sp_port *mlxsw_sp_port, struct mlxsw_sp_mall_entry *mall_entry) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_sample_trigger trigger; - if (!mlxsw_sp_port->sample) - return; + if (mall_entry->ingress) + trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_INGRESS; + else + trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_EGRESS; + trigger.local_port = mlxsw_sp_port->local_port; mlxsw_sp->mall_ops->sample_del(mlxsw_sp, mlxsw_sp_port, mall_entry); - RCU_INIT_POINTER(mlxsw_sp_port->sample, NULL); + mlxsw_sp_sample_trigger_params_unset(mlxsw_sp, &trigger); } static int @@ -261,10 +271,10 @@ int mlxsw_sp_mall_replace(struct mlxsw_sp *mlxsw_sp, goto errout; } mall_entry->type = MLXSW_SP_MALL_ACTION_TYPE_SAMPLE; - mall_entry->sample.psample_group = act->sample.psample_group; - mall_entry->sample.truncate = act->sample.truncate; - mall_entry->sample.trunc_size = act->sample.trunc_size; - mall_entry->sample.rate = act->sample.rate; + mall_entry->sample.params.psample_group = act->sample.psample_group; + mall_entry->sample.params.truncate = act->sample.truncate; + mall_entry->sample.params.trunc_size = act->sample.trunc_size; + mall_entry->sample.params.rate = act->sample.rate; } else { err = -EOPNOTSUPP; goto errout; @@ -369,7 +379,7 @@ static int mlxsw_sp1_mall_sample_add(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_mall_entry *mall_entry, struct netlink_ext_ack *extack) { - u32 rate = mall_entry->sample.rate; + u32 rate = mall_entry->sample.params.rate; if (!mall_entry->ingress) { NL_SET_ERR_MSG(extack, "Sampling is not supported on egress"); @@ -406,8 +416,7 @@ static int mlxsw_sp2_mall_sample_add(struct mlxsw_sp *mlxsw_sp, .to_dev = NULL, /* Mirror to CPU. */ .session_id = MLXSW_SP_SPAN_SESSION_ID_SAMPLING, }; - struct mlxsw_sp_port_sample *sample; - u32 rate = mall_entry->sample.rate; + u32 rate = mall_entry->sample.params.rate; int err; if (!mall_entry->ingress) { @@ -415,9 +424,8 @@ static int mlxsw_sp2_mall_sample_add(struct mlxsw_sp *mlxsw_sp, return -EOPNOTSUPP; } - sample = rtnl_dereference(mlxsw_sp_port->sample); - - err = mlxsw_sp_span_agent_get(mlxsw_sp, &sample->span_id, &agent_parms); + err = mlxsw_sp_span_agent_get(mlxsw_sp, &mall_entry->sample.span_id, + &agent_parms); if (err) { NL_SET_ERR_MSG(extack, "Failed to get SPAN agent"); return err; @@ -429,7 +437,7 @@ static int mlxsw_sp2_mall_sample_add(struct mlxsw_sp *mlxsw_sp, goto err_analyzed_port_get; } - trigger_parms.span_id = sample->span_id; + trigger_parms.span_id = mall_entry->sample.span_id; trigger_parms.probability_rate = rate; err = mlxsw_sp_span_agent_bind(mlxsw_sp, MLXSW_SP_SPAN_TRIGGER_INGRESS, mlxsw_sp_port, &trigger_parms); @@ -443,7 +451,7 @@ static int mlxsw_sp2_mall_sample_add(struct mlxsw_sp *mlxsw_sp, err_agent_bind: mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, true); err_analyzed_port_get: - mlxsw_sp_span_agent_put(mlxsw_sp, sample->span_id); + mlxsw_sp_span_agent_put(mlxsw_sp, mall_entry->sample.span_id); return err; } @@ -452,15 +460,12 @@ static void mlxsw_sp2_mall_sample_del(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_mall_entry *mall_entry) { struct mlxsw_sp_span_trigger_parms trigger_parms = {}; - struct mlxsw_sp_port_sample *sample; - sample = rtnl_dereference(mlxsw_sp_port->sample); - - trigger_parms.span_id = sample->span_id; + trigger_parms.span_id = mall_entry->sample.span_id; mlxsw_sp_span_agent_unbind(mlxsw_sp, MLXSW_SP_SPAN_TRIGGER_INGRESS, mlxsw_sp_port, &trigger_parms); mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, true); - mlxsw_sp_span_agent_put(mlxsw_sp, sample->span_id); + mlxsw_sp_span_agent_put(mlxsw_sp, mall_entry->sample.span_id); } const struct mlxsw_sp_mall_ops mlxsw_sp2_mall_ops = { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c index 056201029ce5..db3c561ac3ea 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c @@ -257,8 +257,9 @@ static void mlxsw_sp_rx_sample_listener(struct sk_buff *skb, u8 local_port, void *trap_ctx) { struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx); + struct mlxsw_sp_sample_trigger trigger; + struct mlxsw_sp_sample_params *params; struct mlxsw_sp_port *mlxsw_sp_port; - struct mlxsw_sp_port_sample *sample; struct psample_metadata md = {}; int err; @@ -270,8 +271,10 @@ static void mlxsw_sp_rx_sample_listener(struct sk_buff *skb, u8 local_port, if (!mlxsw_sp_port) goto out; - sample = rcu_dereference(mlxsw_sp_port->sample); - if (!sample) + trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_INGRESS; + trigger.local_port = local_port; + params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, &trigger); + if (!params) goto out; /* The psample module expects skb->data to point to the start of the @@ -279,9 +282,9 @@ static void mlxsw_sp_rx_sample_listener(struct sk_buff *skb, u8 local_port, */ skb_push(skb, ETH_HLEN); mlxsw_sp_psample_md_init(mlxsw_sp, &md, skb, - mlxsw_sp_port->dev->ifindex, sample->truncate, - sample->trunc_size); - psample_sample_packet(sample->psample_group, skb, sample->rate, &md); + mlxsw_sp_port->dev->ifindex, params->truncate, + params->trunc_size); + psample_sample_packet(params->psample_group, skb, params->rate, &md); out: consume_skb(skb); }