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 | 151 |
1 files changed, 135 insertions, 16 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 6ff59c4348..c9307458f8 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 @@ -66,29 +66,28 @@ #define RTL838X_VLAN_PROFILE(idx) (0x3A88 + ((idx) << 2)) #define RTL838X_VLAN_PORT_EGR_FLTR (0x3A84) #define RTL838X_VLAN_PORT_PB_VLAN (0x3C00) -#define RTL838X_VLAN_PORT_IGR_FLTR(port) (0x3A7C + (((port >> 4) << 2))) -#define RTL838X_VLAN_PORT_IGR_FLTR_0 (0x3A7C) -#define RTL838X_VLAN_PORT_IGR_FLTR_1 (0x3A7C + 4) +#define RTL838X_VLAN_PORT_IGR_FLTR (0x3A7C) #define RTL838X_VLAN_PORT_TAG_STS_CTRL (0xA530) #define RTL839X_VLAN_PROFILE(idx) (0x25C0 + (((idx) << 3))) #define RTL839X_VLAN_CTRL (0x26D4) #define RTL839X_VLAN_PORT_PB_VLAN (0x26D8) -#define RTL839X_VLAN_PORT_IGR_FLTR(port) (0x27B4 + (((port >> 4) << 2))) -#define RTL839X_VLAN_PORT_EGR_FLTR(port) (0x27C4 + (((port >> 5) << 2))) +#define RTL839X_VLAN_PORT_IGR_FLTR (0x27B4) +#define RTL839X_VLAN_PORT_EGR_FLTR (0x27C4) +#define RTL839X_VLAN_PORT_TAG_STS_CTRL (0x6828) #define RTL839X_VLAN_PORT_TAG_STS_CTRL (0x6828) #define RTL930X_VLAN_PROFILE_SET(idx) (0x9c60 + (((idx) * 20))) #define RTL930X_VLAN_CTRL (0x82D4) #define RTL930X_VLAN_PORT_PB_VLAN (0x82D8) -#define RTL930X_VLAN_PORT_IGR_FLTR(port) (0x83C0 + (((port >> 4) << 2))) +#define RTL930X_VLAN_PORT_IGR_FLTR (0x83C0) #define RTL930X_VLAN_PORT_EGR_FLTR (0x83C8) #define RTL930X_VLAN_PORT_TAG_STS_CTRL (0xCE24) #define RTL931X_VLAN_PROFILE_SET(idx) (0x9800 + (((idx) * 28))) #define RTL931X_VLAN_CTRL (0x94E4) -#define RTL931X_VLAN_PORT_IGR_FLTR(port) (0x96B4 + (((port >> 4) << 2))) -#define RTL931X_VLAN_PORT_EGR_FLTR(port) (0x96C4 + (((port >> 5) << 2))) +#define RTL931X_VLAN_PORT_IGR_FLTR (0x96B4) +#define RTL931X_VLAN_PORT_EGR_FLTR (0x96C4) #define RTL931X_VLAN_PORT_TAG_CTRL (0x4860) /* Table access registers */ @@ -379,6 +378,35 @@ #define PIE_ACT_ROUTE_UC 6 #define PIE_ACT_VID_ASSIGN 0 +// L3 actions +#define L3_FORWARD 0 +#define L3_DROP 1 +#define L3_TRAP2CPU 2 +#define L3_COPY2CPU 3 +#define L3_TRAP2MASTERCPU 4 +#define L3_COPY2MASTERCPU 5 +#define L3_HARDDROP 6 + +// Route actions +#define ROUTE_ACT_FORWARD 0 +#define ROUTE_ACT_TRAP2CPU 1 +#define ROUTE_ACT_COPY2CPU 2 +#define ROUTE_ACT_DROP 3 + +/* L3 Routing */ +#define RTL839X_ROUTING_SA_CTRL 0x6afc +#define RTL930X_L3_HOST_TBL_CTRL (0xAB48) +#define RTL930X_L3_IPUC_ROUTE_CTRL (0xAB4C) +#define RTL930X_L3_IP6UC_ROUTE_CTRL (0xAB50) +#define RTL930X_L3_IPMC_ROUTE_CTRL (0xAB54) +#define RTL930X_L3_IP6MC_ROUTE_CTRL (0xAB58) +#define RTL930X_L3_IP_MTU_CTRL(i) (0xAB5C + ((i >> 1) << 2)) +#define RTL930X_L3_IP6_MTU_CTRL(i) (0xAB6C + ((i >> 1) << 2)) +#define RTL930X_L3_HW_LU_KEY_CTRL (0xAC9C) +#define RTL930X_L3_HW_LU_KEY_IP_CTRL (0xACA0) +#define RTL930X_L3_HW_LU_CTRL (0xACC0) +#define RTL930X_L3_IP_ROUTE_CTRL 0xab44 + #define MAX_VLANS 4096 #define MAX_LAGS 16 #define MAX_PRIOS 8 @@ -389,6 +417,14 @@ #define MAX_PIE_ENTRIES (18 * PIE_BLOCK_SIZE) #define N_FIXED_FIELDS 12 #define MAX_COUNTERS 2048 +#define MAX_ROUTES 512 +#define MAX_HOST_ROUTES 1536 +#define MAX_INTF_MTUS 8 +#define DEFAULT_MTU 1536 +#define MAX_INTERFACES 100 +#define MAX_ROUTER_MACS 64 +#define L3_EGRESS_DMACS 2048 +#define MAX_SMACS 64 enum phy_type { PHY_NONE = 0, @@ -614,17 +650,52 @@ struct pie_rule { 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 +struct rtl838x_l3_intf { + u16 vid; + u8 smac_idx; + u8 ip4_mtu_id; + u8 ip6_mtu_id; + u16 ip4_mtu; + u16 ip6_mtu; + u8 ttl_scope; + u8 hl_scope; + u8 ip4_icmp_redirect; + u8 ip6_icmp_redirect; + u8 ip4_pbr_icmp_redirect; + u8 ip6_pbr_icmp_redirect; +}; + +/* + * An entry in the RTL93XX SoC's ROUTER_MAC tables setting up a termination point + * for the L3 routing system. Packets arriving and matching an entry in this table + * will be considered for routing. + * Mask fields state whether the corresponding data fields matter for matching + */ +struct rtl93xx_rt_mac { + bool valid; // Valid or not + bool p_type; // Individual (0) or trunk (1) port + bool p_mask; // Whether the port type is used + u8 p_id; + u8 p_id_mask; // Mask for the port + u8 action; // Routing action performed: 0: FORWARD, 1: DROP, 2: TRAP2CPU + // 3: COPY2CPU, 4: TRAP2MASTERCPU, 5: COPY2MASTERCPU, 6: HARDDROP + u16 vid; + u16 vid_mask; + u64 mac; // MAC address used as source MAC in the routed packet + u64 mac_mask; +}; + +struct rtl83xx_nexthop { + u16 id; // ID: L3_NEXT_HOP table-index or route-index set in L2_NEXT_HOP u32 dev_id; u16 port; - u16 vid; - u16 fid; - u64 mac; + u16 vid; // VLAN-ID for L2 table entry (saved from L2-UC entry) + u16 rvid; // Relay VID/FID for the L2 table entry + u64 mac; // The MAC address of the entry in the L2_NEXT_HOP table u16 mac_id; u16 l2_id; // Index of this next hop forwarding entry in L2 FIB table - u16 if_id; + u64 gw; // The gateway MAC address packets are forwarded to + int if_id; // Interface (into L3_EGR_INTF_IDX) }; struct rtl838x_switch_priv; @@ -638,6 +709,32 @@ struct rtl83xx_flow { u32 flags; }; +struct rtl93xx_route_attr { + bool valid; + bool hit; + bool ttl_dec; + bool ttl_check; + bool dst_null; + bool qos_as; + u8 qos_prio; + u8 type; + u8 action; +}; + +struct rtl83xx_route { + u32 gw_ip; // IP of the route's gateway + u32 dst_ip; // IP of the destination net + struct in6_addr dst_ip6; + int prefix_len; // Network prefix len of the destination net + bool is_host_route; + int id; // ID number of this route + struct rhlist_head linkage; + u16 switch_mac_id; // Index into switch's own MACs, RTL839X only + struct rtl83xx_nexthop nh; + struct pie_rule pr; + struct rtl93xx_route_attr attr; +}; + struct rtl838x_reg { void (*mask_port_reg_be)(u64 clear, u64 set, int reg); void (*set_port_reg_be)(u64 set, int reg); @@ -713,6 +810,19 @@ struct rtl838x_reg { void (*l2_learning_setup)(void); u32 (*packet_cntr_read)(int counter); void (*packet_cntr_clear)(int counter); + void (*route_read)(int idx, struct rtl83xx_route *rt); + void (*route_write)(int idx, struct rtl83xx_route *rt); + void (*host_route_write)(int idx, struct rtl83xx_route *rt); + int (*l3_setup)(struct rtl838x_switch_priv *priv); + void (*set_l3_nexthop)(int idx, u16 dmac_id, u16 interface); + void (*get_l3_nexthop)(int idx, u16 *dmac_id, u16 *interface); + u64 (*get_l3_egress_mac)(u32 idx); + void (*set_l3_egress_mac)(u32 idx, u64 mac); + int (*find_l3_slot)(struct rtl83xx_route *rt, bool must_exist); + int (*route_lookup_hw)(struct rtl83xx_route *rt); + void (*get_l3_router_mac)(u32 idx, struct rtl93xx_rt_mac *m); + void (*set_l3_router_mac)(u32 idx, struct rtl93xx_rt_mac *m); + void (*set_l3_egress_intf)(int idx, struct rtl838x_l3_intf *intf); }; struct rtl838x_switch_priv { @@ -740,7 +850,9 @@ struct rtl838x_switch_priv { int n_lags; u64 lags_port_members[MAX_LAGS]; struct net_device *lag_devs[MAX_LAGS]; - struct notifier_block nb; + struct notifier_block nb; // TODO: change to different name + struct notifier_block ne_nb; + struct notifier_block fib_nb; bool eee_enabled; unsigned long int mc_group_bm[MAX_MC_GROUPS >> 5]; int n_pie_blocks; @@ -749,8 +861,15 @@ struct rtl838x_switch_priv { int n_counters; unsigned long int octet_cntr_use_bm[MAX_COUNTERS >> 5]; unsigned long int packet_cntr_use_bm[MAX_COUNTERS >> 4]; + struct rhltable routes; + unsigned long int route_use_bm[MAX_ROUTES >> 5]; + unsigned long int host_route_use_bm[MAX_HOST_ROUTES >> 5]; + struct rtl838x_l3_intf *interfaces[MAX_INTERFACES]; + u16 intf_mtus[MAX_INTF_MTUS]; + int intf_mtu_count[MAX_INTF_MTUS]; }; void rtl838x_dbgfs_init(struct rtl838x_switch_priv *priv); +void rtl930x_dbgfs_init(struct rtl838x_switch_priv *priv); #endif /* _RTL838X_H */ |