/* SPDX-License-Identifier: GPL-2.0 */ /* * RSS and Classifier definitions for Marvell PPv2 Network Controller * * Copyright (C) 2014 Marvell * * Marcin Wojtas */ #ifndef _MVPP2_CLS_H_ #define _MVPP2_CLS_H_ #include "mvpp2.h" #include "mvpp2_prs.h" /* Classifier constants */ #define MVPP2_CLS_FLOWS_TBL_SIZE 512 #define MVPP2_CLS_FLOWS_TBL_DATA_WORDS 3 #define MVPP2_CLS_LKP_TBL_SIZE 64 #define MVPP2_CLS_RX_QUEUES 256 /* Classifier flow constants */ #define MVPP2_FLOW_N_FIELDS 4 enum mvpp2_cls_engine { MVPP22_CLS_ENGINE_C2 = 1, MVPP22_CLS_ENGINE_C3A, MVPP22_CLS_ENGINE_C3B, MVPP22_CLS_ENGINE_C4, MVPP22_CLS_ENGINE_C3HA = 6, MVPP22_CLS_ENGINE_C3HB = 7, }; #define MVPP22_CLS_HEK_OPT_MAC_DA BIT(0) #define MVPP22_CLS_HEK_OPT_VLAN_PRI BIT(1) #define MVPP22_CLS_HEK_OPT_VLAN BIT(2) #define MVPP22_CLS_HEK_OPT_L3_PROTO BIT(3) #define MVPP22_CLS_HEK_OPT_IP4SA BIT(4) #define MVPP22_CLS_HEK_OPT_IP4DA BIT(5) #define MVPP22_CLS_HEK_OPT_IP6SA BIT(6) #define MVPP22_CLS_HEK_OPT_IP6DA BIT(7) #define MVPP22_CLS_HEK_OPT_L4SIP BIT(8) #define MVPP22_CLS_HEK_OPT_L4DIP BIT(9) #define MVPP22_CLS_HEK_N_FIELDS 10 #define MVPP22_CLS_HEK_L4_OPTS (MVPP22_CLS_HEK_OPT_L4SIP | \ MVPP22_CLS_HEK_OPT_L4DIP) #define MVPP22_CLS_HEK_IP4_2T (MVPP22_CLS_HEK_OPT_IP4SA | \ MVPP22_CLS_HEK_OPT_IP4DA) #define MVPP22_CLS_HEK_IP6_2T (MVPP22_CLS_HEK_OPT_IP6SA | \ MVPP22_CLS_HEK_OPT_IP6DA) /* The fifth tuple in "5T" is the L4_Info field */ #define MVPP22_CLS_HEK_IP4_5T (MVPP22_CLS_HEK_IP4_2T | \ MVPP22_CLS_HEK_L4_OPTS) #define MVPP22_CLS_HEK_IP6_5T (MVPP22_CLS_HEK_IP6_2T | \ MVPP22_CLS_HEK_L4_OPTS) #define MVPP22_CLS_HEK_TAGGED (MVPP22_CLS_HEK_OPT_VLAN | \ MVPP22_CLS_HEK_OPT_VLAN_PRI) enum mvpp2_cls_field_id { MVPP22_CLS_FIELD_MAC_DA = 0x03, MVPP22_CLS_FIELD_VLAN_PRI = 0x05, MVPP22_CLS_FIELD_VLAN = 0x06, MVPP22_CLS_FIELD_L3_PROTO = 0x0f, MVPP22_CLS_FIELD_IP4SA = 0x10, MVPP22_CLS_FIELD_IP4DA = 0x11, MVPP22_CLS_FIELD_IP6SA = 0x17, MVPP22_CLS_FIELD_IP6DA = 0x1a, MVPP22_CLS_FIELD_L4SIP = 0x1d, MVPP22_CLS_FIELD_L4DIP = 0x1e, }; /* Classifier C2 engine constants */ #define MVPP22_CLS_C2_TCAM_EN(data) ((data) << 16) enum mvpp22_cls_c2_action { MVPP22_C2_NO_UPD = 0, MVPP22_C2_NO_UPD_LOCK, MVPP22_C2_UPD, MVPP22_C2_UPD_LOCK, }; enum mvpp22_cls_c2_fwd_action { MVPP22_C2_FWD_NO_UPD = 0, MVPP22_C2_FWD_NO_UPD_LOCK, MVPP22_C2_FWD_SW, MVPP22_C2_FWD_SW_LOCK, MVPP22_C2_FWD_HW, MVPP22_C2_FWD_HW_LOCK, MVPP22_C2_FWD_HW_LOW_LAT, MVPP22_C2_FWD_HW_LOW_LAT_LOCK, }; enum mvpp22_cls_c2_color_action { MVPP22_C2_COL_NO_UPD = 0, MVPP22_C2_COL_NO_UPD_LOCK, MVPP22_C2_COL_GREEN, MVPP22_C2_COL_GREEN_LOCK, MVPP22_C2_COL_YELLOW, MVPP22_C2_COL_YELLOW_LOCK, MVPP22_C2_COL_RED, /* Drop */ MVPP22_C2_COL_RED_LOCK, /* Drop */ }; #define MVPP2_CLS_C2_TCAM_WORDS 5 #define MVPP2_CLS_C2_ATTR_WORDS 5 struct mvpp2_cls_c2_entry { u32 index; /* TCAM lookup key */ u32 tcam[MVPP2_CLS_C2_TCAM_WORDS]; /* Actions to perform upon TCAM match */ u32 act; /* Attributes relative to the actions to perform */ u32 attr[MVPP2_CLS_C2_ATTR_WORDS]; /* Entry validity */ u8 valid; }; #define MVPP22_FLOW_ETHER_BIT BIT(0) #define MVPP22_FLOW_IP4_BIT BIT(1) #define MVPP22_FLOW_IP6_BIT BIT(2) #define MVPP22_FLOW_TCP_BIT BIT(3) #define MVPP22_FLOW_UDP_BIT BIT(4) #define MVPP22_FLOW_TCP4 (MVPP22_FLOW_ETHER_BIT | MVPP22_FLOW_IP4_BIT | MVPP22_FLOW_TCP_BIT) #define MVPP22_FLOW_TCP6 (MVPP22_FLOW_ETHER_BIT | MVPP22_FLOW_IP6_BIT | MVPP22_FLOW_TCP_BIT) #define MVPP22_FLOW_UDP4 (MVPP22_FLOW_ETHER_BIT | MVPP22_FLOW_IP4_BIT | MVPP22_FLOW_UDP_BIT) #define MVPP22_FLOW_UDP6 (MVPP22_FLOW_ETHER_BIT | MVPP22_FLOW_IP6_BIT | MVPP22_FLOW_UDP_BIT) #define MVPP22_FLOW_IP4 (MVPP22_FLOW_ETHER_BIT | MVPP22_FLOW_IP4_BIT) #define MVPP22_FLOW_IP6 (MVPP22_FLOW_ETHER_BIT | MVPP22_FLOW_IP6_BIT) #define MVPP22_FLOW_ETHERNET (MVPP22_FLOW_ETHER_BIT) /* Classifier C2 engine entries */ #define MVPP22_CLS_C2_N_ENTRIES 256 /* Number of per-port dedicated entries in the C2 TCAM */ #define MVPP22_CLS_C2_PORT_N_FLOWS MVPP2_N_RFS_ENTRIES_PER_FLOW /* Each port has one range per flow type + one entry controlling the global RSS * setting and the default rx queue */ #define MVPP22_CLS_C2_PORT_RANGE (MVPP22_CLS_C2_PORT_N_FLOWS + 1) #define MVPP22_CLS_C2_PORT_FIRST(p) ((p) * MVPP22_CLS_C2_PORT_RANGE) #define MVPP22_CLS_C2_RSS_ENTRY(p) (MVPP22_CLS_C2_PORT_FIRST((p) + 1) - 1) #define MVPP22_CLS_C2_PORT_FLOW_FIRST(p) (MVPP22_CLS_C2_PORT_FIRST(p)) #define MVPP22_CLS_C2_RFS_LOC(p, loc) (MVPP22_CLS_C2_PORT_FLOW_FIRST(p) + (loc)) /* Packet flow ID */ enum mvpp2_prs_flow { MVPP2_FL_START = 8, MVPP2_FL_IP4_TCP_NF_UNTAG = MVPP2_FL_START, MVPP2_FL_IP4_UDP_NF_UNTAG, MVPP2_FL_IP4_TCP_NF_TAG, MVPP2_FL_IP4_UDP_NF_TAG, MVPP2_FL_IP6_TCP_NF_UNTAG, MVPP2_FL_IP6_UDP_NF_UNTAG, MVPP2_FL_IP6_TCP_NF_TAG, MVPP2_FL_IP6_UDP_NF_TAG, MVPP2_FL_IP4_TCP_FRAG_UNTAG, MVPP2_FL_IP4_UDP_FRAG_UNTAG, MVPP2_FL_IP4_TCP_FRAG_TAG, MVPP2_FL_IP4_UDP_FRAG_TAG, MVPP2_FL_IP6_TCP_FRAG_UNTAG, MVPP2_FL_IP6_UDP_FRAG_UNTAG, MVPP2_FL_IP6_TCP_FRAG_TAG, MVPP2_FL_IP6_UDP_FRAG_TAG, MVPP2_FL_IP4_UNTAG, /* non-TCP, non-UDP, same for below */ MVPP2_FL_IP4_TAG, MVPP2_FL_IP6_UNTAG, MVPP2_FL_IP6_TAG, MVPP2_FL_NON_IP_UNTAG, MVPP2_FL_NON_IP_TAG, MVPP2_FL_LAST, }; /* LU Type defined for all engines, and specified in the flow table */ #define MVPP2_CLS_LU_TYPE_MASK 0x3f enum mvpp2_cls_lu_type { /* rule->loc is used as a lu-type for the entries 0 - 62. */ MVPP22_CLS_LU_TYPE_ALL = 63, }; #define MVPP2_N_FLOWS (MVPP2_FL_LAST - MVPP2_FL_START) struct mvpp2_cls_flow { /* The L2-L4 traffic flow type */ int flow_type; /* The first id in the flow table for this flow */ u16 flow_id; /* The supported HEK fields for this flow */ u16 supported_hash_opts; /* The Header Parser result_info that matches this flow */ struct mvpp2_prs_result_info prs_ri; }; #define MVPP2_CLS_FLT_ENTRIES_PER_FLOW (MVPP2_MAX_PORTS + 1 + 16) #define MVPP2_CLS_FLT_FIRST(id) (((id) - MVPP2_FL_START) * \ MVPP2_CLS_FLT_ENTRIES_PER_FLOW) #define MVPP2_CLS_FLT_C2_RFS(port, id, rfs_n) (MVPP2_CLS_FLT_FIRST(id) + \ ((port) * MVPP2_MAX_PORTS) + \ (rfs_n)) #define MVPP2_CLS_FLT_C2_RSS_ENTRY(id) (MVPP2_CLS_FLT_C2_RFS(MVPP2_MAX_PORTS, id, 0)) #define MVPP2_CLS_FLT_HASH_ENTRY(port, id) (MVPP2_CLS_FLT_C2_RSS_ENTRY(id) + 1 + (port)) #define MVPP2_CLS_FLT_LAST(id) (MVPP2_CLS_FLT_FIRST(id) + \ MVPP2_CLS_FLT_ENTRIES_PER_FLOW - 1) /* Iterate on each classifier flow id. Sets 'i' to be the index of the first * entry in the cls_flows table for each different flow_id. * This relies on entries having the same flow_id in the cls_flows table being * contiguous. */ #define for_each_cls_flow_id(i) \ for ((i) = 0; (i) < MVPP2_N_PRS_FLOWS; (i)++) \ if ((i) > 0 && \ cls_flows[(i)].flow_id == cls_flows[(i) - 1].flow_id) \ continue; \ else /* Iterate on each classifier flow that has a given flow_type. Sets 'i' to be * the index of the first entry in the cls_flow table for each different flow_id * that has the given flow_type. This allows to operate on all flows that * matches a given ethtool flow type. */ #define for_each_cls_flow_id_with_type(i, type) \ for_each_cls_flow_id((i)) \ if (cls_flows[(i)].flow_type != (type)) \ continue; \ else #define for_each_cls_flow_id_containing_type(i, type) \ for_each_cls_flow_id((i)) \ if ((cls_flows[(i)].flow_type & (type)) != (type)) \ continue; \ else struct mvpp2_cls_flow_entry { u32 index; u32 data[MVPP2_CLS_FLOWS_TBL_DATA_WORDS]; }; struct mvpp2_cls_lookup_entry { u32 lkpid; u32 way; u32 data; }; int mvpp22_port_rss_init(struct mvpp2_port *port); int mvpp22_port_rss_enable(struct mvpp2_port *port); int mvpp22_port_rss_disable(struct mvpp2_port *port); int mvpp22_port_rss_ctx_create(struct mvpp2_port *port, u32 rss_ctx); int mvpp22_port_rss_ctx_delete(struct mvpp2_port *port, u32 rss_ctx); int mvpp22_port_rss_ctx_indir_set(struct mvpp2_port *port, u32 rss_ctx, const u32 *indir); int mvpp22_port_rss_ctx_indir_get(struct mvpp2_port *port, u32 rss_ctx, u32 *indir); int mvpp2_ethtool_rxfh_get(struct mvpp2_port *port, struct ethtool_rxnfc *info); int mvpp2_ethtool_rxfh_set(struct mvpp2_port *port, struct ethtool_rxnfc *info); void mvpp2_cls_init(struct mvpp2 *priv); void mvpp2_cls_port_config(struct mvpp2_port *port); void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port); int mvpp2_cls_flow_eng_get(struct mvpp2_cls_flow_entry *fe); u16 mvpp2_flow_get_hek_fields(struct mvpp2_cls_flow_entry *fe); const struct mvpp2_cls_flow *mvpp2_cls_flow_get(int flow); u32 mvpp2_cls_flow_hits(struct mvpp2 *priv, int index); void mvpp2_cls_flow_read(struct mvpp2 *priv, int index, struct mvpp2_cls_flow_entry *fe); u32 mvpp2_cls_lookup_hits(struct mvpp2 *priv, int index); void mvpp2_cls_lookup_read(struct mvpp2 *priv, int lkpid, int way, struct mvpp2_cls_lookup_entry *le); u32 mvpp2_cls_c2_hit_count(struct mvpp2 *priv, int c2_index); void mvpp2_cls_c2_read(struct mvpp2 *priv, int index, struct mvpp2_cls_c2_entry *c2); int mvpp2_ethtool_cls_rule_get(struct mvpp2_port *port, struct ethtool_rxnfc *rxnfc); int mvpp2_ethtool_cls_rule_ins(struct mvpp2_port *port, struct ethtool_rxnfc *info); int mvpp2_ethtool_cls_rule_del(struct mvpp2_port *port, struct ethtool_rxnfc *info); #endif