mlxsw: spectrum: Push matchall bits into a separate file
Similar to flower, have matchall related code in a separate file. Do some small renaming on the way (consistent "mall" prefixes, dropped "_tc_", dropped "_port_" where suitable). 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
David S. Miller
parent
d52238eb7b
commit
d7fcc98622
@ -21,7 +21,7 @@ mlxsw_spectrum-objs := spectrum.o spectrum_buffers.o \
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spectrum_acl_atcam.o spectrum_acl_erp.o \
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spectrum1_acl_tcam.o spectrum2_acl_tcam.o \
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spectrum_acl_bloom_filter.o spectrum_acl.o \
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spectrum_flow.o \
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spectrum_flow.o spectrum_matchall.o \
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spectrum_flower.o spectrum_cnt.o \
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spectrum_fid.o spectrum_ipip.o \
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spectrum_acl_flex_actions.o \
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@ -25,9 +25,7 @@
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#include <linux/log2.h>
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#include <net/switchdev.h>
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#include <net/pkt_cls.h>
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#include <net/tc_act/tc_mirred.h>
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#include <net/netevent.h>
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#include <net/tc_act/tc_sample.h>
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#include <net/addrconf.h>
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#include "spectrum.h"
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@ -582,16 +580,6 @@ static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp)
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return 0;
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}
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static int mlxsw_sp_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
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bool enable, u32 rate)
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{
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
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char mpsc_pl[MLXSW_REG_MPSC_LEN];
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mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate);
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return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl);
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}
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static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port,
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bool is_up)
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{
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@ -1362,181 +1350,15 @@ static int mlxsw_sp_port_kill_vid(struct net_device *dev,
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return 0;
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}
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static struct mlxsw_sp_port_mall_tc_entry *
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mlxsw_sp_port_mall_tc_entry_find(struct mlxsw_sp_port *port,
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unsigned long cookie) {
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struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
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list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list)
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if (mall_tc_entry->cookie == cookie)
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return mall_tc_entry;
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return NULL;
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}
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static int
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mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_port_mall_mirror_tc_entry *mirror,
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const struct flow_action_entry *act,
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bool ingress)
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{
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enum mlxsw_sp_span_type span_type;
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if (!act->dev) {
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netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
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return -EINVAL;
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}
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mirror->ingress = ingress;
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span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
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return mlxsw_sp_span_mirror_add(mlxsw_sp_port, act->dev, span_type,
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true, &mirror->span_id);
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}
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static void
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mlxsw_sp_port_del_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_port_mall_mirror_tc_entry *mirror)
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{
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enum mlxsw_sp_span_type span_type;
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span_type = mirror->ingress ?
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MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
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mlxsw_sp_span_mirror_del(mlxsw_sp_port, mirror->span_id,
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span_type, true);
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}
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static int
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mlxsw_sp_port_add_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *cls,
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const struct flow_action_entry *act,
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bool ingress)
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{
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int err;
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if (!mlxsw_sp_port->sample)
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return -EOPNOTSUPP;
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if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) {
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netdev_err(mlxsw_sp_port->dev, "sample already active\n");
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return -EEXIST;
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}
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if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
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netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n");
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return -EOPNOTSUPP;
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}
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rcu_assign_pointer(mlxsw_sp_port->sample->psample_group,
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act->sample.psample_group);
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mlxsw_sp_port->sample->truncate = act->sample.truncate;
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mlxsw_sp_port->sample->trunc_size = act->sample.trunc_size;
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mlxsw_sp_port->sample->rate = act->sample.rate;
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err = mlxsw_sp_port_sample_set(mlxsw_sp_port, true, act->sample.rate);
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if (err)
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goto err_port_sample_set;
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return 0;
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err_port_sample_set:
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RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
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return err;
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}
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static void
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mlxsw_sp_port_del_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port)
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{
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if (!mlxsw_sp_port->sample)
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return;
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mlxsw_sp_port_sample_set(mlxsw_sp_port, false, 1);
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RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
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}
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static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *f,
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bool ingress)
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{
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struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
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__be16 protocol = f->common.protocol;
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struct flow_action_entry *act;
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int err;
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if (!flow_offload_has_one_action(&f->rule->action)) {
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netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n");
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return -EOPNOTSUPP;
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}
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mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL);
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if (!mall_tc_entry)
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return -ENOMEM;
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mall_tc_entry->cookie = f->cookie;
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act = &f->rule->action.entries[0];
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if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {
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struct mlxsw_sp_port_mall_mirror_tc_entry *mirror;
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mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR;
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mirror = &mall_tc_entry->mirror;
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err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port,
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mirror, act,
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ingress);
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} else if (act->id == FLOW_ACTION_SAMPLE &&
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protocol == htons(ETH_P_ALL)) {
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mall_tc_entry->type = MLXSW_SP_PORT_MALL_SAMPLE;
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err = mlxsw_sp_port_add_cls_matchall_sample(mlxsw_sp_port, f,
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act, ingress);
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} else {
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err = -EOPNOTSUPP;
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}
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if (err)
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goto err_add_action;
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list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list);
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return 0;
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err_add_action:
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kfree(mall_tc_entry);
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return err;
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}
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static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *f)
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{
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struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
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mall_tc_entry = mlxsw_sp_port_mall_tc_entry_find(mlxsw_sp_port,
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f->cookie);
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if (!mall_tc_entry) {
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netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n");
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return;
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}
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list_del(&mall_tc_entry->list);
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switch (mall_tc_entry->type) {
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case MLXSW_SP_PORT_MALL_MIRROR:
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mlxsw_sp_port_del_cls_matchall_mirror(mlxsw_sp_port,
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&mall_tc_entry->mirror);
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break;
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case MLXSW_SP_PORT_MALL_SAMPLE:
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mlxsw_sp_port_del_cls_matchall_sample(mlxsw_sp_port);
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break;
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default:
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WARN_ON(1);
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}
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kfree(mall_tc_entry);
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}
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static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *f,
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bool ingress)
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{
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switch (f->command) {
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case TC_CLSMATCHALL_REPLACE:
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return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, f,
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ingress);
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return mlxsw_sp_mall_replace(mlxsw_sp_port, f, ingress);
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case TC_CLSMATCHALL_DESTROY:
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mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, f);
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mlxsw_sp_mall_destroy(mlxsw_sp_port, f);
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return 0;
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default:
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return -EOPNOTSUPP;
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@ -1800,7 +1622,7 @@ static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable)
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if (!enable) {
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if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) ||
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mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block) ||
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!list_empty(&mlxsw_sp_port->mall_tc_list)) {
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!list_empty(&mlxsw_sp_port->mall_list)) {
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netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
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return -EINVAL;
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}
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@ -3696,7 +3518,7 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
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mlxsw_sp_port->mapping = *port_mapping;
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mlxsw_sp_port->link.autoneg = 1;
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INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
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INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list);
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INIT_LIST_HEAD(&mlxsw_sp_port->mall_list);
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mlxsw_sp_port->pcpu_stats =
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netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats);
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@ -109,25 +109,6 @@ struct mlxsw_sp_mid {
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unsigned long *ports_in_mid; /* bits array */
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};
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enum mlxsw_sp_port_mall_action_type {
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MLXSW_SP_PORT_MALL_MIRROR,
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MLXSW_SP_PORT_MALL_SAMPLE,
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};
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struct mlxsw_sp_port_mall_mirror_tc_entry {
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int span_id;
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bool ingress;
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};
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struct mlxsw_sp_port_mall_tc_entry {
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struct list_head list;
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unsigned long cookie;
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enum mlxsw_sp_port_mall_action_type type;
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union {
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struct mlxsw_sp_port_mall_mirror_tc_entry mirror;
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};
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};
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struct mlxsw_sp_sb;
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struct mlxsw_sp_bridge;
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struct mlxsw_sp_router;
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@ -274,8 +255,7 @@ struct mlxsw_sp_port {
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* the same localport can have
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* different mapping.
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*/
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/* TC handles */
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struct list_head mall_tc_list;
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struct list_head mall_list;
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struct {
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#define MLXSW_HW_STATS_UPDATE_TIME HZ
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struct rtnl_link_stats64 stats;
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@ -913,6 +893,12 @@ extern const struct mlxsw_afa_ops mlxsw_sp2_act_afa_ops;
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extern const struct mlxsw_afk_ops mlxsw_sp1_afk_ops;
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extern const struct mlxsw_afk_ops mlxsw_sp2_afk_ops;
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/* spectrum_matchall.c */
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int mlxsw_sp_mall_replace(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *f, bool ingress);
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void mlxsw_sp_mall_destroy(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *f);
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/* spectrum_flower.c */
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int mlxsw_sp_flower_replace(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_flow_block *block,
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202
drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c
Normal file
202
drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c
Normal file
@ -0,0 +1,202 @@
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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
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/* Copyright (c) 2017-2020 Mellanox Technologies. All rights reserved */
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/netdevice.h>
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#include <net/flow_offload.h>
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#include "spectrum.h"
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#include "spectrum_span.h"
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#include "reg.h"
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enum mlxsw_sp_mall_action_type {
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MLXSW_SP_MALL_ACTION_TYPE_MIRROR,
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MLXSW_SP_MALL_ACTION_TYPE_SAMPLE,
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};
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struct mlxsw_sp_mall_mirror_entry {
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int span_id;
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bool ingress;
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};
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struct mlxsw_sp_mall_entry {
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struct list_head list;
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unsigned long cookie;
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enum mlxsw_sp_mall_action_type type;
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union {
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struct mlxsw_sp_mall_mirror_entry mirror;
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};
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};
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static struct mlxsw_sp_mall_entry *
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mlxsw_sp_mall_entry_find(struct mlxsw_sp_port *port, unsigned long cookie)
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{
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struct mlxsw_sp_mall_entry *mall_entry;
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list_for_each_entry(mall_entry, &port->mall_list, list)
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if (mall_entry->cookie == cookie)
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return mall_entry;
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return NULL;
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}
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static int
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mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_mall_mirror_entry *mirror,
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const struct flow_action_entry *act,
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bool ingress)
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{
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enum mlxsw_sp_span_type span_type;
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if (!act->dev) {
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netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
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return -EINVAL;
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}
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mirror->ingress = ingress;
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span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
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return mlxsw_sp_span_mirror_add(mlxsw_sp_port, act->dev, span_type,
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true, &mirror->span_id);
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}
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static void
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mlxsw_sp_mall_port_mirror_del(struct mlxsw_sp_port *mlxsw_sp_port,
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struct mlxsw_sp_mall_mirror_entry *mirror)
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{
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enum mlxsw_sp_span_type span_type;
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span_type = mirror->ingress ? MLXSW_SP_SPAN_INGRESS :
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MLXSW_SP_SPAN_EGRESS;
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mlxsw_sp_span_mirror_del(mlxsw_sp_port, mirror->span_id,
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span_type, true);
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}
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static int mlxsw_sp_mall_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
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bool enable, u32 rate)
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{
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struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
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char mpsc_pl[MLXSW_REG_MPSC_LEN];
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mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate);
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return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl);
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}
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static int
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mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port,
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struct tc_cls_matchall_offload *cls,
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const struct flow_action_entry *act, bool ingress)
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{
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int err;
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if (!mlxsw_sp_port->sample)
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return -EOPNOTSUPP;
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if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) {
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netdev_err(mlxsw_sp_port->dev, "sample already active\n");
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return -EEXIST;
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}
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if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
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netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n");
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return -EOPNOTSUPP;
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}
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rcu_assign_pointer(mlxsw_sp_port->sample->psample_group,
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act->sample.psample_group);
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mlxsw_sp_port->sample->truncate = act->sample.truncate;
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mlxsw_sp_port->sample->trunc_size = act->sample.trunc_size;
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mlxsw_sp_port->sample->rate = act->sample.rate;
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err = mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, true,
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act->sample.rate);
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if (err)
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goto err_port_sample_set;
|
||||
return 0;
|
||||
|
||||
err_port_sample_set:
|
||||
RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
|
||||
return err;
|
||||
}
|
||||
|
||||
static void
|
||||
mlxsw_sp_mall_port_sample_del(struct mlxsw_sp_port *mlxsw_sp_port)
|
||||
{
|
||||
if (!mlxsw_sp_port->sample)
|
||||
return;
|
||||
|
||||
mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, false, 1);
|
||||
RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
|
||||
}
|
||||
|
||||
int mlxsw_sp_mall_replace(struct mlxsw_sp_port *mlxsw_sp_port,
|
||||
struct tc_cls_matchall_offload *f, bool ingress)
|
||||
{
|
||||
struct mlxsw_sp_mall_entry *mall_entry;
|
||||
__be16 protocol = f->common.protocol;
|
||||
struct flow_action_entry *act;
|
||||
int err;
|
||||
|
||||
if (!flow_offload_has_one_action(&f->rule->action)) {
|
||||
netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n");
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
mall_entry = kzalloc(sizeof(*mall_entry), GFP_KERNEL);
|
||||
if (!mall_entry)
|
||||
return -ENOMEM;
|
||||
mall_entry->cookie = f->cookie;
|
||||
|
||||
act = &f->rule->action.entries[0];
|
||||
|
||||
if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {
|
||||
struct mlxsw_sp_mall_mirror_entry *mirror;
|
||||
|
||||
mall_entry->type = MLXSW_SP_MALL_ACTION_TYPE_MIRROR;
|
||||
mirror = &mall_entry->mirror;
|
||||
err = mlxsw_sp_mall_port_mirror_add(mlxsw_sp_port, mirror, act,
|
||||
ingress);
|
||||
} else if (act->id == FLOW_ACTION_SAMPLE &&
|
||||
protocol == htons(ETH_P_ALL)) {
|
||||
mall_entry->type = MLXSW_SP_MALL_ACTION_TYPE_SAMPLE;
|
||||
err = mlxsw_sp_mall_port_sample_add(mlxsw_sp_port, f, act,
|
||||
ingress);
|
||||
} else {
|
||||
err = -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
if (err)
|
||||
goto err_add_action;
|
||||
|
||||
list_add_tail(&mall_entry->list, &mlxsw_sp_port->mall_list);
|
||||
return 0;
|
||||
|
||||
err_add_action:
|
||||
kfree(mall_entry);
|
||||
return err;
|
||||
}
|
||||
|
||||
void mlxsw_sp_mall_destroy(struct mlxsw_sp_port *mlxsw_sp_port,
|
||||
struct tc_cls_matchall_offload *f)
|
||||
{
|
||||
struct mlxsw_sp_mall_entry *mall_entry;
|
||||
|
||||
mall_entry = mlxsw_sp_mall_entry_find(mlxsw_sp_port, f->cookie);
|
||||
if (!mall_entry) {
|
||||
netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n");
|
||||
return;
|
||||
}
|
||||
list_del(&mall_entry->list);
|
||||
|
||||
switch (mall_entry->type) {
|
||||
case MLXSW_SP_MALL_ACTION_TYPE_MIRROR:
|
||||
mlxsw_sp_mall_port_mirror_del(mlxsw_sp_port,
|
||||
&mall_entry->mirror);
|
||||
break;
|
||||
case MLXSW_SP_MALL_ACTION_TYPE_SAMPLE:
|
||||
mlxsw_sp_mall_port_sample_del(mlxsw_sp_port);
|
||||
break;
|
||||
default:
|
||||
WARN_ON(1);
|
||||
}
|
||||
|
||||
kfree(mall_entry);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user