| /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ |
| /* Microsemi Ocelot Switch driver |
| * Copyright (c) 2019 Microsemi Corporation |
| */ |
| |
| #ifndef _MSCC_OCELOT_VCAP_H_ |
| #define _MSCC_OCELOT_VCAP_H_ |
| |
| #include "ocelot.h" |
| #include "ocelot_police.h" |
| #include <net/sch_generic.h> |
| #include <net/pkt_cls.h> |
| |
| #define OCELOT_POLICER_DISCARD 0x17f |
| |
| struct ocelot_ipv4 { |
| u8 addr[4]; |
| }; |
| |
| enum ocelot_vcap_bit { |
| OCELOT_VCAP_BIT_ANY, |
| OCELOT_VCAP_BIT_0, |
| OCELOT_VCAP_BIT_1 |
| }; |
| |
| struct ocelot_vcap_u8 { |
| u8 value[1]; |
| u8 mask[1]; |
| }; |
| |
| struct ocelot_vcap_u16 { |
| u8 value[2]; |
| u8 mask[2]; |
| }; |
| |
| struct ocelot_vcap_u24 { |
| u8 value[3]; |
| u8 mask[3]; |
| }; |
| |
| struct ocelot_vcap_u32 { |
| u8 value[4]; |
| u8 mask[4]; |
| }; |
| |
| struct ocelot_vcap_u40 { |
| u8 value[5]; |
| u8 mask[5]; |
| }; |
| |
| struct ocelot_vcap_u48 { |
| u8 value[6]; |
| u8 mask[6]; |
| }; |
| |
| struct ocelot_vcap_u64 { |
| u8 value[8]; |
| u8 mask[8]; |
| }; |
| |
| struct ocelot_vcap_u128 { |
| u8 value[16]; |
| u8 mask[16]; |
| }; |
| |
| struct ocelot_vcap_vid { |
| u16 value; |
| u16 mask; |
| }; |
| |
| struct ocelot_vcap_ipv4 { |
| struct ocelot_ipv4 value; |
| struct ocelot_ipv4 mask; |
| }; |
| |
| struct ocelot_vcap_udp_tcp { |
| u16 value; |
| u16 mask; |
| }; |
| |
| struct ocelot_vcap_port { |
| u8 value; |
| u8 mask; |
| }; |
| |
| enum ocelot_vcap_key_type { |
| OCELOT_VCAP_KEY_ANY, |
| OCELOT_VCAP_KEY_ETYPE, |
| OCELOT_VCAP_KEY_LLC, |
| OCELOT_VCAP_KEY_SNAP, |
| OCELOT_VCAP_KEY_ARP, |
| OCELOT_VCAP_KEY_IPV4, |
| OCELOT_VCAP_KEY_IPV6 |
| }; |
| |
| struct ocelot_vcap_key_vlan { |
| struct ocelot_vcap_vid vid; /* VLAN ID (12 bit) */ |
| struct ocelot_vcap_u8 pcp; /* PCP (3 bit) */ |
| enum ocelot_vcap_bit dei; /* DEI */ |
| enum ocelot_vcap_bit tagged; /* Tagged/untagged frame */ |
| }; |
| |
| struct ocelot_vcap_key_etype { |
| struct ocelot_vcap_u48 dmac; |
| struct ocelot_vcap_u48 smac; |
| struct ocelot_vcap_u16 etype; |
| struct ocelot_vcap_u16 data; /* MAC data */ |
| }; |
| |
| struct ocelot_vcap_key_llc { |
| struct ocelot_vcap_u48 dmac; |
| struct ocelot_vcap_u48 smac; |
| |
| /* LLC header: DSAP at byte 0, SSAP at byte 1, Control at byte 2 */ |
| struct ocelot_vcap_u32 llc; |
| }; |
| |
| struct ocelot_vcap_key_snap { |
| struct ocelot_vcap_u48 dmac; |
| struct ocelot_vcap_u48 smac; |
| |
| /* SNAP header: Organization Code at byte 0, Type at byte 3 */ |
| struct ocelot_vcap_u40 snap; |
| }; |
| |
| struct ocelot_vcap_key_arp { |
| struct ocelot_vcap_u48 smac; |
| enum ocelot_vcap_bit arp; /* Opcode ARP/RARP */ |
| enum ocelot_vcap_bit req; /* Opcode request/reply */ |
| enum ocelot_vcap_bit unknown; /* Opcode unknown */ |
| enum ocelot_vcap_bit smac_match; /* Sender MAC matches SMAC */ |
| enum ocelot_vcap_bit dmac_match; /* Target MAC matches DMAC */ |
| |
| /**< Protocol addr. length 4, hardware length 6 */ |
| enum ocelot_vcap_bit length; |
| |
| enum ocelot_vcap_bit ip; /* Protocol address type IP */ |
| enum ocelot_vcap_bit ethernet; /* Hardware address type Ethernet */ |
| struct ocelot_vcap_ipv4 sip; /* Sender IP address */ |
| struct ocelot_vcap_ipv4 dip; /* Target IP address */ |
| }; |
| |
| struct ocelot_vcap_key_ipv4 { |
| enum ocelot_vcap_bit ttl; /* TTL zero */ |
| enum ocelot_vcap_bit fragment; /* Fragment */ |
| enum ocelot_vcap_bit options; /* Header options */ |
| struct ocelot_vcap_u8 ds; |
| struct ocelot_vcap_u8 proto; /* Protocol */ |
| struct ocelot_vcap_ipv4 sip; /* Source IP address */ |
| struct ocelot_vcap_ipv4 dip; /* Destination IP address */ |
| struct ocelot_vcap_u48 data; /* Not UDP/TCP: IP data */ |
| struct ocelot_vcap_udp_tcp sport; /* UDP/TCP: Source port */ |
| struct ocelot_vcap_udp_tcp dport; /* UDP/TCP: Destination port */ |
| enum ocelot_vcap_bit tcp_fin; |
| enum ocelot_vcap_bit tcp_syn; |
| enum ocelot_vcap_bit tcp_rst; |
| enum ocelot_vcap_bit tcp_psh; |
| enum ocelot_vcap_bit tcp_ack; |
| enum ocelot_vcap_bit tcp_urg; |
| enum ocelot_vcap_bit sip_eq_dip; /* SIP equals DIP */ |
| enum ocelot_vcap_bit sport_eq_dport; /* SPORT equals DPORT */ |
| enum ocelot_vcap_bit seq_zero; /* TCP sequence number is zero */ |
| }; |
| |
| struct ocelot_vcap_key_ipv6 { |
| struct ocelot_vcap_u8 proto; /* IPv6 protocol */ |
| struct ocelot_vcap_u128 sip; /* IPv6 source (byte 0-7 ignored) */ |
| struct ocelot_vcap_u128 dip; /* IPv6 destination (byte 0-7 ignored) */ |
| enum ocelot_vcap_bit ttl; /* TTL zero */ |
| struct ocelot_vcap_u8 ds; |
| struct ocelot_vcap_u48 data; /* Not UDP/TCP: IP data */ |
| struct ocelot_vcap_udp_tcp sport; |
| struct ocelot_vcap_udp_tcp dport; |
| enum ocelot_vcap_bit tcp_fin; |
| enum ocelot_vcap_bit tcp_syn; |
| enum ocelot_vcap_bit tcp_rst; |
| enum ocelot_vcap_bit tcp_psh; |
| enum ocelot_vcap_bit tcp_ack; |
| enum ocelot_vcap_bit tcp_urg; |
| enum ocelot_vcap_bit sip_eq_dip; /* SIP equals DIP */ |
| enum ocelot_vcap_bit sport_eq_dport; /* SPORT equals DPORT */ |
| enum ocelot_vcap_bit seq_zero; /* TCP sequence number is zero */ |
| }; |
| |
| enum ocelot_mask_mode { |
| OCELOT_MASK_MODE_NONE, |
| OCELOT_MASK_MODE_PERMIT_DENY, |
| OCELOT_MASK_MODE_POLICY, |
| OCELOT_MASK_MODE_REDIRECT, |
| }; |
| |
| enum ocelot_es0_tag { |
| OCELOT_NO_ES0_TAG, |
| OCELOT_ES0_TAG, |
| OCELOT_FORCE_PORT_TAG, |
| OCELOT_FORCE_UNTAG, |
| }; |
| |
| enum ocelot_tag_tpid_sel { |
| OCELOT_TAG_TPID_SEL_8021Q, |
| OCELOT_TAG_TPID_SEL_8021AD, |
| }; |
| |
| struct ocelot_vcap_action { |
| union { |
| /* VCAP ES0 */ |
| struct { |
| enum ocelot_es0_tag push_outer_tag; |
| enum ocelot_es0_tag push_inner_tag; |
| enum ocelot_tag_tpid_sel tag_a_tpid_sel; |
| int tag_a_vid_sel; |
| int tag_a_pcp_sel; |
| u16 vid_a_val; |
| u8 pcp_a_val; |
| u8 dei_a_val; |
| enum ocelot_tag_tpid_sel tag_b_tpid_sel; |
| int tag_b_vid_sel; |
| int tag_b_pcp_sel; |
| u16 vid_b_val; |
| u8 pcp_b_val; |
| u8 dei_b_val; |
| }; |
| |
| /* VCAP IS1 */ |
| struct { |
| bool vid_replace_ena; |
| u16 vid; |
| bool vlan_pop_cnt_ena; |
| int vlan_pop_cnt; |
| bool pcp_dei_ena; |
| u8 pcp; |
| u8 dei; |
| bool qos_ena; |
| u8 qos_val; |
| u8 pag_override_mask; |
| u8 pag_val; |
| }; |
| |
| /* VCAP IS2 */ |
| struct { |
| bool cpu_copy_ena; |
| u8 cpu_qu_num; |
| enum ocelot_mask_mode mask_mode; |
| unsigned long port_mask; |
| bool police_ena; |
| struct ocelot_policer pol; |
| u32 pol_ix; |
| }; |
| }; |
| }; |
| |
| struct ocelot_vcap_stats { |
| u64 bytes; |
| u64 pkts; |
| u64 used; |
| }; |
| |
| enum ocelot_vcap_filter_type { |
| OCELOT_VCAP_FILTER_DUMMY, |
| OCELOT_VCAP_FILTER_PAG, |
| OCELOT_VCAP_FILTER_OFFLOAD, |
| }; |
| |
| struct ocelot_vcap_filter { |
| struct list_head list; |
| |
| enum ocelot_vcap_filter_type type; |
| int block_id; |
| int goto_target; |
| int lookup; |
| u8 pag; |
| u16 prio; |
| u32 id; |
| |
| struct ocelot_vcap_action action; |
| struct ocelot_vcap_stats stats; |
| /* For VCAP IS1 and IS2 */ |
| unsigned long ingress_port_mask; |
| /* For VCAP ES0 */ |
| struct ocelot_vcap_port ingress_port; |
| struct ocelot_vcap_port egress_port; |
| |
| enum ocelot_vcap_bit dmac_mc; |
| enum ocelot_vcap_bit dmac_bc; |
| struct ocelot_vcap_key_vlan vlan; |
| |
| enum ocelot_vcap_key_type key_type; |
| union { |
| /* OCELOT_VCAP_KEY_ANY: No specific fields */ |
| struct ocelot_vcap_key_etype etype; |
| struct ocelot_vcap_key_llc llc; |
| struct ocelot_vcap_key_snap snap; |
| struct ocelot_vcap_key_arp arp; |
| struct ocelot_vcap_key_ipv4 ipv4; |
| struct ocelot_vcap_key_ipv6 ipv6; |
| } key; |
| }; |
| |
| int ocelot_vcap_filter_add(struct ocelot *ocelot, |
| struct ocelot_vcap_filter *rule, |
| struct netlink_ext_ack *extack); |
| int ocelot_vcap_filter_del(struct ocelot *ocelot, |
| struct ocelot_vcap_filter *rule); |
| int ocelot_vcap_filter_stats_update(struct ocelot *ocelot, |
| struct ocelot_vcap_filter *rule); |
| struct ocelot_vcap_filter * |
| ocelot_vcap_block_find_filter_by_id(struct ocelot_vcap_block *block, int id); |
| |
| void ocelot_detect_vcap_constants(struct ocelot *ocelot); |
| int ocelot_vcap_init(struct ocelot *ocelot); |
| |
| int ocelot_setup_tc_cls_flower(struct ocelot_port_private *priv, |
| struct flow_cls_offload *f, |
| bool ingress); |
| |
| #endif /* _MSCC_OCELOT_VCAP_H_ */ |