net: mscc: ocelot: export VCAP structures to include/soc/mscc

The Felix driver will need to preinstall some VCAP filters for its
tag_8021q implementation (outside of the tc-flower offload logic), so
these need to be exported to the common includes.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 289 insertions, 0 deletions

diff --git a/include/soc/mscc/ocelot_vcap.h b/include/soc/mscc/ocelot_vcap.h
index 96300adf3648..7f1b82fba63c 100644
--- a/include/soc/mscc/ocelot_vcap.h
+++ b/include/soc/mscc/ocelot_vcap.h
@@ -400,4 +400,293 @@ enum vcap_es0_action_field {
 	VCAP_ES0_ACT_HIT_STICKY,
 };
 
+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);
+
 #endif /* _OCELOT_VCAP_H_ */