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authorVladimir Oltean <vladimir.oltean@nxp.com>2021-01-29 03:00:00 +0200
committerJakub Kicinski <kuba@kernel.org>2021-01-29 21:24:30 -0800
commit0e9bb4e9d93f2711897b8e2a613899f7b8a15a3b (patch)
tree03c0a647539d485c09d308651b54c9b03eb95081 /include
parent9c7caf28068421c9e0d1faea437e35e6b8983ac6 (diff)
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>
Diffstat (limited to 'include')
-rw-r--r--include/soc/mscc/ocelot_vcap.h289
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_ */