acl: Introduce ACL trap action
Use trap/discard flex action to implement trap. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Yotam Gigi <yotamg@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -40,6 +40,7 @@
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#include <linux/list.h>
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#include "item.h"
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#include "trap.h"
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#include "core_acl_flex_actions.h"
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enum mlxsw_afa_set_type {
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@ -662,6 +663,16 @@ EXPORT_SYMBOL(mlxsw_afa_block_append_vlan_modify);
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#define MLXSW_AFA_TRAPDISC_CODE 0x03
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#define MLXSW_AFA_TRAPDISC_SIZE 1
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enum mlxsw_afa_trapdisc_trap_action {
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MLXSW_AFA_TRAPDISC_TRAP_ACTION_NOP = 0,
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MLXSW_AFA_TRAPDISC_TRAP_ACTION_TRAP = 2,
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};
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/* afa_trapdisc_trap_action
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* Trap Action.
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*/
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MLXSW_ITEM32(afa, trapdisc, trap_action, 0x00, 24, 4);
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enum mlxsw_afa_trapdisc_forward_action {
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MLXSW_AFA_TRAPDISC_FORWARD_ACTION_DISCARD = 3,
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};
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@ -671,11 +682,20 @@ enum mlxsw_afa_trapdisc_forward_action {
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*/
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MLXSW_ITEM32(afa, trapdisc, forward_action, 0x00, 0, 4);
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/* afa_trapdisc_trap_id
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* Trap ID to configure.
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*/
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MLXSW_ITEM32(afa, trapdisc, trap_id, 0x04, 0, 9);
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static inline void
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mlxsw_afa_trapdisc_pack(char *payload,
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enum mlxsw_afa_trapdisc_forward_action forward_action)
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enum mlxsw_afa_trapdisc_trap_action trap_action,
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enum mlxsw_afa_trapdisc_forward_action forward_action,
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u16 trap_id)
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{
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mlxsw_afa_trapdisc_trap_action_set(payload, trap_action);
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mlxsw_afa_trapdisc_forward_action_set(payload, forward_action);
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mlxsw_afa_trapdisc_trap_id_set(payload, trap_id);
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}
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int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block)
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@ -686,11 +706,27 @@ int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block)
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if (!act)
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return -ENOBUFS;
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mlxsw_afa_trapdisc_pack(act, MLXSW_AFA_TRAPDISC_FORWARD_ACTION_DISCARD);
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mlxsw_afa_trapdisc_pack(act, MLXSW_AFA_TRAPDISC_TRAP_ACTION_NOP,
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MLXSW_AFA_TRAPDISC_FORWARD_ACTION_DISCARD, 0);
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return 0;
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}
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EXPORT_SYMBOL(mlxsw_afa_block_append_drop);
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int mlxsw_afa_block_append_trap(struct mlxsw_afa_block *block)
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{
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char *act = mlxsw_afa_block_append_action(block,
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MLXSW_AFA_TRAPDISC_CODE,
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MLXSW_AFA_TRAPDISC_SIZE);
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if (!act)
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return -ENOBUFS;
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mlxsw_afa_trapdisc_pack(act, MLXSW_AFA_TRAPDISC_TRAP_ACTION_TRAP,
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MLXSW_AFA_TRAPDISC_FORWARD_ACTION_DISCARD,
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MLXSW_TRAP_ID_ACL0);
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return 0;
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}
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EXPORT_SYMBOL(mlxsw_afa_block_append_trap);
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/* Forwarding Action
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* -----------------
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* Forwarding Action can be used to implement Policy Based Switching (PBS)
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@ -60,6 +60,7 @@ u32 mlxsw_afa_block_first_set_kvdl_index(struct mlxsw_afa_block *block);
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void mlxsw_afa_block_continue(struct mlxsw_afa_block *block);
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void mlxsw_afa_block_jump(struct mlxsw_afa_block *block, u16 group_id);
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int mlxsw_afa_block_append_drop(struct mlxsw_afa_block *block);
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int mlxsw_afa_block_append_trap(struct mlxsw_afa_block *block);
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int mlxsw_afa_block_append_fwd(struct mlxsw_afa_block *block,
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u8 local_port, bool in_port);
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int mlxsw_afa_block_append_vlan_modify(struct mlxsw_afa_block *block,
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@ -460,6 +460,7 @@ void mlxsw_sp_acl_rulei_act_continue(struct mlxsw_sp_acl_rule_info *rulei);
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void mlxsw_sp_acl_rulei_act_jump(struct mlxsw_sp_acl_rule_info *rulei,
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u16 group_id);
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int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei);
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int mlxsw_sp_acl_rulei_act_trap(struct mlxsw_sp_acl_rule_info *rulei);
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int mlxsw_sp_acl_rulei_act_fwd(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_acl_rule_info *rulei,
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struct net_device *out_dev);
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@ -347,6 +347,11 @@ int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei)
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return mlxsw_afa_block_append_drop(rulei->act_block);
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}
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int mlxsw_sp_acl_rulei_act_trap(struct mlxsw_sp_acl_rule_info *rulei)
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{
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return mlxsw_afa_block_append_trap(rulei->act_block);
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}
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int mlxsw_sp_acl_rulei_act_fwd(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_acl_rule_info *rulei,
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struct net_device *out_dev)
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