diff options
Diffstat (limited to 'target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h')
| -rw-r--r-- | target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h | 219 |
1 files changed, 218 insertions, 1 deletions
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h index b2097363b9..a3e169f288 100644 --- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h +++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.h @@ -338,12 +338,45 @@ /* Debug features */ #define RTL930X_STAT_PRVTE_DROP_COUNTER0 (0xB5B8) +/* Packet Inspection Engine */ +#define RTL838X_METER_GLB_CTRL (0x4B08) +#define RTL839X_METER_GLB_CTRL (0x1300) +#define RTL930X_METER_GLB_CTRL (0xa0a0) +#define RTL839X_ACL_CTRL (0x1288) +#define RTL838X_ACL_BLK_LOOKUP_CTRL (0x6100) +#define RTL839X_ACL_BLK_LOOKUP_CTRL (0x1280) +#define RTL930X_PIE_BLK_LOOKUP_CTRL (0xa5a0) +#define RTL838X_ACL_BLK_PWR_CTRL (0x6104) +#define RTL839X_PS_ACL_PWR_CTRL (0x049c) +#define RTL838X_ACL_BLK_TMPLTE_CTRL(block) (0x6108 + ((block) << 2)) +#define RTL839X_ACL_BLK_TMPLTE_CTRL(block) (0x128c + ((block) << 2)) +#define RTL930X_PIE_BLK_TMPLTE_CTRL(block) (0xa624 + ((block) << 2)) +#define RTL838X_ACL_BLK_GROUP_CTRL (0x615C) +#define RTL839X_ACL_BLK_GROUP_CTRL (0x12ec) +#define RTL838X_ACL_CLR_CTRL (0x6168) +#define RTL839X_ACL_CLR_CTRL (0x12fc) +#define RTL930X_PIE_CLR_CTRL (0xa66c) +#define RTL838X_DMY_REG27 (0x3378) +#define RTL838X_ACL_PORT_LOOKUP_CTRL(p) (0x616C + (((p) << 2))) +#define RTL930X_ACL_PORT_LOOKUP_CTRL(p) (0xA784 + (((p) << 2))) +#define RTL930X_PIE_BLK_PHASE_CTRL (0xA5A4) + +// PIE actions +#define PIE_ACT_COPY_TO_PORT 2 +#define PIE_ACT_REDIRECT_TO_PORT 4 +#define PIE_ACT_ROUTE_UC 6 +#define PIE_ACT_VID_ASSIGN 0 + #define MAX_VLANS 4096 #define MAX_LAGS 16 #define MAX_PRIOS 8 #define RTL930X_PORT_IGNORE 0x3f #define MAX_MC_GROUPS 512 #define UNKNOWN_MC_PMASK (MAX_MC_GROUPS - 1) +#define PIE_BLOCK_SIZE 128 +#define MAX_PIE_ENTRIES (18 * PIE_BLOCK_SIZE) +#define N_FIXED_FIELDS 12 +#define MAX_COUNTERS 2048 enum phy_type { PHY_NONE = 0, @@ -409,6 +442,166 @@ struct rtl838x_l2_entry { bool nh_vlan_target; // Only RTL83xx: VLAN used for next hop }; +enum fwd_rule_action { + FWD_RULE_ACTION_NONE = 0, + FWD_RULE_ACTION_FWD = 1, +}; + +enum pie_phase { + PHASE_VACL = 0, + PHASE_IACL = 1, +}; + +/* Intermediate representation of a Packet Inspection Engine Rule + * as suggested by the Kernel's tc flower offload subsystem + * Field meaning is universal across SoC families, but data content is specific + * to SoC family (e.g. because of different port ranges) */ +struct pie_rule { + int id; + enum pie_phase phase; // Phase in which this template is applied + int packet_cntr; // ID of a packet counter assigned to this rule + int octet_cntr; // ID of a byte counter assigned to this rule + u32 last_packet_cnt; + u64 last_octet_cnt; + + // The following are requirements for the pie template + bool is_egress; + bool is_ipv6; // This is a rule with IPv6 fields + + // Fixed fields that are always matched against on RTL8380 + u8 spmmask_fix; + u8 spn; // Source port number + bool stacking_port; // Source port is stacking port + bool mgnt_vlan; // Packet arrived on management VLAN + bool dmac_hit_sw; // The packet's destination MAC matches one of the device's + bool content_too_deep; // The content of the packet cannot be parsed: too many layers + bool not_first_frag; // Not the first IP fragment + u8 frame_type_l4; // 0: UDP, 1: TCP, 2: ICMP/ICMPv6, 3: IGMP + u8 frame_type; // 0: ARP, 1: L2 only, 2: IPv4, 3: IPv6 + bool otag_fmt; // 0: outer tag packet, 1: outer priority tag or untagged + bool itag_fmt; // 0: inner tag packet, 1: inner priority tag or untagged + bool otag_exist; // packet with outer tag + bool itag_exist; // packet with inner tag + bool frame_type_l2; // 0: Ethernet, 1: LLC_SNAP, 2: LLC_Other, 3: Reserved + bool igr_normal_port; // Ingress port is not cpu or stacking port + u8 tid; // The template ID defining the what the templated fields mean + + // Masks for the fields that are always matched against on RTL8380 + u8 spmmask_fix_m; + u8 spn_m; + bool stacking_port_m; + bool mgnt_vlan_m; + bool dmac_hit_sw_m; + bool content_too_deep_m; + bool not_first_frag_m; + u8 frame_type_l4_m; + u8 frame_type_m; + bool otag_fmt_m; + bool itag_fmt_m; + bool otag_exist_m; + bool itag_exist_m; + bool frame_type_l2_m; + bool igr_normal_port_m; + u8 tid_m; + + // Logical operations between rules, special rules for rule numbers apply + bool valid; + bool cond_not; // Matches when conditions not match + bool cond_and1; // And this rule 2n with the next rule 2n+1 in same block + bool cond_and2; // And this rule m in block 2n with rule m in block 2n+1 + bool ivalid; + + // Actions to be performed + bool drop; // Drop the packet + bool fwd_sel; // Forward packet: to port, portmask, dest route, next rule, drop + bool ovid_sel; // So something to outer vlan-id: shift, re-assign + bool ivid_sel; // Do something to inner vlan-id: shift, re-assign + bool flt_sel; // Filter the packet when sending to certain ports + bool log_sel; // Log the packet in one of the LOG-table counters + bool rmk_sel; // Re-mark the packet, i.e. change the priority-tag + bool meter_sel; // Meter the packet, i.e. limit rate of this type of packet + bool tagst_sel; // Change the ergress tag + bool mir_sel; // Mirror the packet to a Link Aggregation Group + bool nopri_sel; // Change the normal priority + bool cpupri_sel; // Change the CPU priority + bool otpid_sel; // Change Outer Tag Protocol Identifier (802.1q) + bool itpid_sel; // Change Inner Tag Protocol Identifier (802.1q) + bool shaper_sel; // Apply traffic shaper + bool mpls_sel; // MPLS actions + bool bypass_sel; // Bypass actions + bool fwd_sa_lrn; // Learn the source address when forwarding + bool fwd_mod_to_cpu; // Forward the modified VLAN tag format to CPU-port + + // Fields used in predefined templates 0-2 on RTL8380 / 90 / 9300 + u64 spm; // Source Port Matrix + u16 otag; // Outer VLAN-ID + u8 smac[ETH_ALEN]; // Source MAC address + u8 dmac[ETH_ALEN]; // Destination MAC address + u16 ethertype; // Ethernet frame type field in ethernet header + u16 itag; // Inner VLAN-ID + u16 field_range_check; + u32 sip; // Source IP + struct in6_addr sip6; // IPv6 Source IP + u32 dip; // Destination IP + struct in6_addr dip6; // IPv6 Destination IP + u16 tos_proto; // IPv4: TOS + Protocol fields, IPv6: Traffic class + next header + u16 sport; // TCP/UDP source port + u16 dport; // TCP/UDP destination port + u16 icmp_igmp; + u16 tcp_info; + u16 dsap_ssap; // Destination / Source Service Access Point bytes (802.3) + + u64 spm_m; + u16 otag_m; + u8 smac_m[ETH_ALEN]; + u8 dmac_m[ETH_ALEN]; + u8 ethertype_m; + u16 itag_m; + u16 field_range_check_m; + u32 sip_m; + struct in6_addr sip6_m; // IPv6 Source IP mask + u32 dip_m; + struct in6_addr dip6_m; // IPv6 Destination IP mask + u16 tos_proto_m; + u16 sport_m; + u16 dport_m; + u16 icmp_igmp_m; + u16 tcp_info_m; + u16 dsap_ssap_m; + + // Data associated with actions + u8 fwd_act; // Type of forwarding action + // 0: permit, 1: drop, 2: copy to port id, 4: copy to portmask + // 4: redirect to portid, 5: redirect to portmask + // 6: route, 7: vlan leaky (only 8380) + u16 fwd_data; // Additional data for forwarding action, e.g. destination port + u8 ovid_act; + u16 ovid_data; // Outer VLAN ID + u8 ivid_act; + u16 ivid_data; // Inner VLAN ID + u16 flt_data; // Filtering data + u16 log_data; // ID of packet or octet counter in LOG table, on RTL93xx + // unnecessary since PIE-Rule-ID == LOG-counter-ID + bool log_octets; + u8 mpls_act; // MPLS action type + u16 mpls_lib_idx; // MPLS action data + + u16 rmk_data; // Data for remarking + u16 meter_data; // ID of meter for bandwidth control + u16 tagst_data; + u16 mir_data; + u16 nopri_data; + u16 cpupri_data; + u16 otpid_data; + u16 itpid_data; + u16 shaper_data; + + // Bypass actions, ignored on RTL8380 + bool bypass_all; // Not clear + bool bypass_igr_stp; // Bypass Ingress STP state + bool bypass_ibc_sc; // Bypass Ingress Bandwidth Control and Storm Control +}; + struct rtl838x_nexthop { u16 id; // ID in HW Nexthop table u32 ip; // IP Addres of nexthop @@ -424,6 +617,15 @@ struct rtl838x_nexthop { struct rtl838x_switch_priv; +struct rtl83xx_flow { + unsigned long cookie; + struct rhash_head node; + struct rcu_head rcu_head; + struct rtl838x_switch_priv *priv; + struct pie_rule rule; + u32 flags; +}; + struct rtl838x_reg { void (*mask_port_reg_be)(u64 clear, u64 set, int reg); void (*set_port_reg_be)(u64 set, int reg); @@ -491,6 +693,13 @@ struct rtl838x_reg { u64 (*read_mcast_pmask)(int idx); void (*write_mcast_pmask)(int idx, u64 portmask); void (*vlan_fwd_on_inner)(int port, bool is_set); + void (*pie_init)(struct rtl838x_switch_priv *priv); + int (*pie_rule_read)(struct rtl838x_switch_priv *priv, int idx, struct pie_rule *pr); + int (*pie_rule_write)(struct rtl838x_switch_priv *priv, int idx, struct pie_rule *pr); + int (*pie_rule_add)(struct rtl838x_switch_priv *priv, struct pie_rule *rule); + void (*pie_rule_rm)(struct rtl838x_switch_priv *priv, struct pie_rule *rule); + u32 (*packet_cntr_read)(int counter); + void (*packet_cntr_clear)(int counter); }; struct rtl838x_switch_priv { @@ -501,7 +710,8 @@ struct rtl838x_switch_priv { u16 family_id; char version; struct rtl838x_port ports[57]; - struct mutex reg_mutex; + struct mutex reg_mutex; // Mutex for individual register manipulations + struct mutex pie_mutex; // Mutex for Packet Inspection Engine int link_state_irq; int mirror_group_ports[4]; struct mii_bus *mii_bus; @@ -509,6 +719,7 @@ struct rtl838x_switch_priv { u8 cpu_port; u8 port_mask; u8 port_width; + u8 port_ignore; u64 irq_mask; u32 fib_entries; int l2_bucket_size; @@ -519,6 +730,12 @@ struct rtl838x_switch_priv { struct notifier_block nb; bool eee_enabled; unsigned long int mc_group_bm[MAX_MC_GROUPS >> 5]; + int n_pie_blocks; + struct rhashtable tc_ht; + unsigned long int pie_use_bm[MAX_PIE_ENTRIES >> 5]; + int n_counters; + unsigned long int octet_cntr_use_bm[MAX_COUNTERS >> 5]; + unsigned long int packet_cntr_use_bm[MAX_COUNTERS >> 4]; }; void rtl838x_dbgfs_init(struct rtl838x_switch_priv *priv); |