| /* This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * Copyright (C) 2014-2016 Sean Wang <sean.wang@mediatek.com> |
| * Copyright (C) 2016-2017 John Crispin <blogic@openwrt.org> |
| */ |
| |
| #ifndef NF_HNAT_MTK_H |
| #define NF_HNAT_MTK_H |
| |
| #include <linux/dma-mapping.h> |
| #include <linux/netdevice.h> |
| #include "../mtk_eth_soc.h" |
| |
| #define HNAT_SKB_CB2(__skb) ((struct hnat_skb_cb2 *)&((__skb)->cb[44])) |
| struct hnat_skb_cb2 { |
| __u32 magic; |
| }; |
| |
| #if defined(CONFIG_MEDIATEK_NETSYS_V3) |
| struct hnat_desc { |
| u32 entry : 15; |
| u32 filled : 3; |
| u32 crsn : 5; |
| u32 resv1 : 3; |
| u32 sport : 4; |
| u32 resv2 : 1; |
| u32 alg : 1; |
| u32 iface : 8; |
| u32 wdmaid : 2; |
| u32 rxid : 2; |
| u32 wcid : 16; |
| u32 bssid : 8; |
| u32 usr_info : 16; |
| u32 tid : 4; |
| u32 is_fixedrate : 1; |
| u32 is_prior : 1; |
| u32 is_sp : 1; |
| u32 hf : 1; |
| u32 amsdu : 1; |
| u32 resv3 : 19; |
| u32 magic_tag_protect : 16; |
| } __packed; |
| #elif defined(CONFIG_MEDIATEK_NETSYS_RX_V2) |
| struct hnat_desc { |
| u32 entry : 15; |
| u32 filled : 3; |
| u32 crsn : 5; |
| u32 resv1 : 3; |
| u32 sport : 4; |
| u32 resv2 : 1; |
| u32 alg : 1; |
| u32 iface : 8; |
| u32 wdmaid : 2; |
| u32 rxid : 2; |
| u32 wcid : 10; |
| u32 bssid : 6; |
| u32 resv5 : 20; |
| u32 magic_tag_protect : 16; |
| } __packed; |
| #else |
| struct hnat_desc { |
| u32 entry : 14; |
| u32 crsn : 5; |
| u32 sport : 4; |
| u32 alg : 1; |
| u32 iface : 8; |
| u32 filled : 3; |
| u32 resv : 1; |
| u32 magic_tag_protect : 16; |
| u32 wdmaid : 8; |
| u32 rxid : 2; |
| u32 wcid : 10; |
| u32 bssid : 6; |
| } __packed; |
| #endif |
| |
| #define HQOS_MAGIC_TAG 0x5678 |
| #define HAS_HQOS_MAGIC_TAG(skb) (qos_toggle && skb->protocol == HQOS_MAGIC_TAG) |
| |
| #define HNAT_MAGIC_TAG 0x6789 |
| #define HNAT_INFO_FILLED 0x7 |
| #define WIFI_INFO_LEN 6 |
| #define FOE_INFO_LEN (10 + WIFI_INFO_LEN) |
| #define IS_SPACE_AVAILABLE_HEAD(skb) \ |
| ((((skb_headroom(skb) >= FOE_INFO_LEN) ? 1 : 0))) |
| |
| #define skb_hnat_info(skb) ((struct hnat_desc *)(skb->head)) |
| #define skb_hnat_magic(skb) (((struct hnat_desc *)(skb->head))->magic) |
| #define skb_hnat_reason(skb) (((struct hnat_desc *)(skb->head))->crsn) |
| #define skb_hnat_entry(skb) (((struct hnat_desc *)(skb->head))->entry) |
| #define skb_hnat_sport(skb) (((struct hnat_desc *)(skb->head))->sport) |
| #define skb_hnat_alg(skb) (((struct hnat_desc *)(skb->head))->alg) |
| #define skb_hnat_iface(skb) (((struct hnat_desc *)(skb->head))->iface) |
| #define skb_hnat_filled(skb) (((struct hnat_desc *)(skb->head))->filled) |
| #define skb_hnat_magic_tag(skb) (((struct hnat_desc *)((skb)->head))->magic_tag_protect) |
| #define skb_hnat_wdma_id(skb) (((struct hnat_desc *)((skb)->head))->wdmaid) |
| #define skb_hnat_rx_id(skb) (((struct hnat_desc *)((skb)->head))->rxid) |
| #define skb_hnat_wc_id(skb) (((struct hnat_desc *)((skb)->head))->wcid) |
| #define skb_hnat_bss_id(skb) (((struct hnat_desc *)((skb)->head))->bssid) |
| #define skb_hnat_usr_info(skb) (((struct hnat_desc *)((skb)->head))->usr_info) |
| #define skb_hnat_tid(skb) (((struct hnat_desc *)((skb)->head))->tid) |
| #define skb_hnat_is_fixedrate(skb) \ |
| (((struct hnat_desc *)((skb)->head))->is_fixedrate) |
| #define skb_hnat_is_prior(skb) (((struct hnat_desc *)((skb)->head))->is_prior) |
| #define skb_hnat_is_sp(skb) (((struct hnat_desc *)((skb)->head))->is_sp) |
| #define skb_hnat_hf(skb) (((struct hnat_desc *)((skb)->head))->hf) |
| #define skb_hnat_amsdu(skb) (((struct hnat_desc *)((skb)->head))->amsdu) |
| #define skb_hnat_ppe2(skb) \ |
| ((skb_hnat_iface(skb) == FOE_MAGIC_GE_LAN2 || \ |
| skb_hnat_iface(skb) == FOE_MAGIC_WED2) && CFG_PPE_NUM == 3) |
| #define skb_hnat_ppe1(skb) \ |
| ((skb_hnat_iface(skb) == FOE_MAGIC_GE_WAN && CFG_PPE_NUM == 3) || \ |
| (skb_hnat_iface(skb) == FOE_MAGIC_WED1 && CFG_PPE_NUM > 1)) |
| #define skb_hnat_ppe(skb) \ |
| (skb_hnat_ppe2(skb) ? 2 : (skb_hnat_ppe1(skb) ? 1 : 0)) |
| #define headroom_iface(h) (h.iface) |
| #define headroom_ppe1(h) \ |
| ((headroom_iface(h) == FOE_MAGIC_GE_LAN2 || \ |
| headroom_iface(h) == FOE_MAGIC_WED2) && CFG_PPE_NUM == 3) |
| #define headroom_ppe2(h) \ |
| ((headroom_iface(h) == FOE_MAGIC_GE_LAN2 || \ |
| headroom_iface(h) == FOE_MAGIC_WED2) && CFG_PPE_NUM == 3) |
| #define headroom_ppe(h) \ |
| (headroom_ppe2(h) ? 2 : (headroom_ppe1(h) ? 1 : 0)) |
| |
| #define do_ext2ge_fast_try(dev, skb) \ |
| ((skb_hnat_iface(skb) == FOE_MAGIC_EXT) && !is_from_extge(skb)) |
| #define set_from_extge(skb) (HNAT_SKB_CB2(skb)->magic = 0x78786688) |
| #define clr_from_extge(skb) (HNAT_SKB_CB2(skb)->magic = 0x0) |
| #define set_to_ppe(skb) (HNAT_SKB_CB2(skb)->magic = 0x78681415) |
| #define is_from_extge(skb) (HNAT_SKB_CB2(skb)->magic == 0x78786688) |
| #define is_hnat_info_filled(skb) (skb_hnat_filled(skb) == HNAT_INFO_FILLED) |
| #define is_magic_tag_valid(skb) (skb_hnat_magic_tag(skb) == HNAT_MAGIC_TAG) |
| #define set_from_mape(skb) (HNAT_SKB_CB2(skb)->magic = 0x78787788) |
| #define is_from_mape(skb) (HNAT_SKB_CB2(skb)->magic == 0x78787788) |
| #define is_unreserved_port(hdr) \ |
| ((ntohs(hdr->source) > 1023) && (ntohs(hdr->dest) > 1023)) |
| |
| #define TTL_0 0x02 |
| #define HAS_OPTION_HEADER 0x03 |
| #define NO_FLOW_IS_ASSIGNED 0x07 |
| #define IPV4_WITH_FRAGMENT 0x08 |
| #define IPV4_HNAPT_DSLITE_WITH_FRAGMENT 0x09 |
| #define IPV4_HNAPT_DSLITE_WITHOUT_TCP_UDP 0x0A |
| #define IPV6_5T_6RD_WITHOUT_TCP_UDP 0x0B |
| #define TCP_FIN_SYN_RST \ |
| 0x0C /* Ingress packet is TCP fin/syn/rst (for IPv4 NAPT/DS-Lite or IPv6 5T-route/6RD) */ |
| #define UN_HIT 0x0D /* FOE Un-hit */ |
| #define HIT_UNBIND 0x0E /* FOE Hit unbind */ |
| #define HIT_UNBIND_RATE_REACH 0x0F |
| #define HIT_BIND_TCP_FIN 0x10 |
| #define HIT_BIND_TTL_1 0x11 |
| #define HIT_BIND_WITH_VLAN_VIOLATION 0x12 |
| #define HIT_BIND_KEEPALIVE_UC_OLD_HDR 0x13 |
| #define HIT_BIND_KEEPALIVE_MC_NEW_HDR 0x14 |
| #define HIT_BIND_KEEPALIVE_DUP_OLD_HDR 0x15 |
| #define HIT_BIND_FORCE_TO_CPU 0x16 |
| #define HIT_BIND_WITH_OPTION_HEADER 0x17 |
| #define HIT_BIND_MULTICAST_TO_CPU 0x18 |
| #define HIT_BIND_MULTICAST_TO_GMAC_CPU 0x19 |
| #define HIT_PRE_BIND 0x1A |
| #define HIT_BIND_PACKET_SAMPLING 0x1B |
| #define HIT_BIND_EXCEED_MTU 0x1C |
| |
| #define TPORT_ID(x) ((x) & GENMASK(3, 0)) |
| #define TOPS_ENTRY(x) ((x) & GENMASK(5, 0)) |
| #define CDRT_ID(x) ((x) & GENMASK(7, 0)) |
| |
| u32 hnat_tx(struct sk_buff *skb); |
| u32 hnat_set_skb_info(struct sk_buff *skb, u32 *rxd); |
| u32 hnat_reg(struct net_device *, void __iomem *); |
| u32 hnat_unreg(void); |
| |
| #endif |