| /* SPDX-License-Identifier: GPL-2.0 |
| * |
| * Copyright (c) 2019 MediaTek Inc. |
| * Author: Harry Huang <harry.huang@mediatek.com> |
| */ |
| |
| #ifndef _RA_NAT_WANTED |
| #define _RA_NAT_WANTED |
| |
| #include <linux/ip.h> |
| #include <linux/ipv6.h> |
| |
| |
| #ifndef NEXTHDR_IPIP |
| #define NEXTHDR_IPIP 4 |
| #endif |
| |
| #define hwnat_vlan_tx_tag_present(__skb) ((__skb)->vlan_tci & VLAN_TAG_PRESENT) |
| #define hwnat_vlan_tag_get(__skb) ((__skb)->vlan_tci & ~VLAN_TAG_PRESENT) |
| |
| #if defined(CONFIG_HW_NAT) |
| extern void hwnat_magic_tag_set_zero(struct sk_buff *skb); |
| extern void hwnat_check_magic_tag(struct sk_buff *skb); |
| extern void hwnat_set_headroom_zero(struct sk_buff *skb); |
| extern void hwnat_set_tailroom_zero(struct sk_buff *skb); |
| extern void hwnat_copy_headroom(u8 *data, struct sk_buff *skb); |
| extern void hwnat_copy_tailroom(u8 *data, int size, struct sk_buff *skb); |
| extern void hwnat_setup_dma_ops(struct device *dev, bool coherent); |
| #else |
| |
| static inline void hwnat_magic_tag_set_zero(struct sk_buff *skb) |
| { |
| } |
| |
| static inline void hwnat_check_magic_tag(struct sk_buff *skb) |
| { |
| } |
| |
| static inline void hwnat_set_headroom_zero(struct sk_buff *skb) |
| { |
| } |
| |
| static inline void hwnat_set_tailroom_zero(struct sk_buff *skb) |
| { |
| } |
| |
| static inline void hwnat_copy_headroom(u8 *data, struct sk_buff *skb) |
| { |
| } |
| |
| static inline void hwnat_copy_tailroom(u8 *data, int size, struct sk_buff *skb) |
| { |
| } |
| |
| #endif |
| enum foe_cpu_reason { |
| TTL_0 = 0x02, /* IPv4(IPv6) TTL(hop limit) = 0 */ |
| /* IPv4(IPv6) has option(extension) header */ |
| HAS_OPTION_HEADER = 0x03, |
| NO_FLOW_IS_ASSIGNED = 0x07, /* No flow is assigned */ |
| /* IPv4 HNAT doesn't support IPv4 /w fragment */ |
| IPV4_WITH_FRAGMENT = 0x08, |
| /* IPv4 HNAPT/DS-Lite doesn't support IPv4 /w fragment */ |
| IPV4_HNAPT_DSLITE_WITH_FRAGMENT = 0x09, |
| /* IPv4 HNAPT/DS-Lite can't find TCP/UDP sport/dport */ |
| IPV4_HNAPT_DSLITE_WITHOUT_TCP_UDP = 0x0A, |
| /* IPv6 5T-route/6RD can't find TCP/UDP sport/dport */ |
| IPV6_5T_6RD_WITHOUT_TCP_UDP = 0x0B, |
| /* Ingress packet is TCP fin/syn/rst */ |
| /*(for IPv4 NAPT/DS-Lite or IPv6 5T-route/6RD) */ |
| TCP_FIN_SYN_RST = 0x0C, |
| UN_HIT = 0x0D, /* FOE Un-hit */ |
| HIT_UNBIND = 0x0E, /* FOE Hit unbind */ |
| /* FOE Hit unbind & rate reach */ |
| HIT_UNBIND_RATE_REACH = 0x0F, |
| HIT_BIND_TCP_FIN = 0x10, /* Hit bind PPE TCP FIN entry */ |
| /* Hit bind PPE entry and TTL(hop limit) = 1 */ |
| /* and TTL(hot limit) - 1 */ |
| HIT_BIND_TTL_1 = 0x11, |
| /* Hit bind and VLAN replacement violation */ |
| /*(Ingress 1(0) VLAN layers and egress 4(3 or 4) VLAN layers) */ |
| HIT_BIND_WITH_VLAN_VIOLATION = 0x12, |
| /* Hit bind and keep alive with unicast old-header packet */ |
| HIT_BIND_KEEPALIVE_UC_OLD_HDR = 0x13, |
| /* Hit bind and keep alive with multicast new-header packet */ |
| HIT_BIND_KEEPALIVE_MC_NEW_HDR = 0x14, |
| /* Hit bind and keep alive with duplicate old-header packet */ |
| HIT_BIND_KEEPALIVE_DUP_OLD_HDR = 0x15, |
| /* FOE Hit bind & force to CPU */ |
| HIT_BIND_FORCE_TO_CPU = 0x16, |
| /* Hit bind and remove tunnel IP header, */ |
| /* but inner IP has option/next header */ |
| HIT_BIND_WITH_OPTION_HEADER = 0x17, |
| /* Hit bind and exceed MTU */ |
| HIT_BIND_EXCEED_MTU = 0x1C, |
| HIT_BIND_PACKET_SAMPLING = 0x1B, /* PS packet */ |
| /* Switch clone multicast packet to CPU */ |
| HIT_BIND_MULTICAST_TO_CPU = 0x18, |
| /* Switch clone multicast packet to GMAC1 & CPU */ |
| HIT_BIND_MULTICAST_TO_GMAC_CPU = 0x19, |
| HIT_PRE_BIND = 0x1A /* Pre-bind */ |
| }; |
| |
| #define MAX_IF_NUM 64 |
| |
| struct dmad_rx_descinfo4 { |
| uint32_t foe_entry_num:15; |
| uint32_t rsv0:3; |
| uint32_t CRSN:5; |
| uint32_t rsv1:3; |
| uint32_t SPORT:4; |
| uint32_t ppe:1; |
| uint32_t ALG:1; |
| uint32_t IF:8; |
| uint32_t WDMAID:2; |
| uint32_t RXID:2; |
| uint32_t WCID:10; |
| uint32_t BSSID:6; |
| uint32_t rsv3:4; |
| uint16_t minfo:1; |
| uint16_t ntype:3; |
| uint16_t chid:8; |
| uint16_t rsv4:4; |
| u16 MAGIC_TAG_PROTECT; |
| } __packed; |
| |
| struct pdma_rx_desc_info4 { |
| u16 MAGIC_TAG_PROTECT; |
| uint32_t foe_entry_num:14; |
| uint32_t CRSN:5; |
| uint32_t SPORT:4; |
| uint32_t rsv:6; |
| uint32_t foe_entry_num_1:1; |
| uint32_t ppe:1; |
| uint32_t ALG:1; |
| uint32_t IF:8; |
| uint32_t WDMAID:2; |
| uint32_t RXID:2; |
| uint32_t WCID:10; |
| uint32_t BSSID:6; |
| uint32_t rsv2:4; |
| uint16_t minfo:1; |
| uint16_t ntype:3; |
| uint16_t chid:8; |
| uint16_t rsv3:4; |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| u16 SOURCE; |
| u16 DEST; |
| #endif |
| } __packed; |
| |
| struct head_rx_descinfo4 { |
| uint32_t foe_entry_num:14; |
| uint32_t CRSN:5; |
| uint32_t SPORT:4; |
| uint32_t rsv:6; |
| uint32_t foe_entry_num_1:1; |
| uint32_t ppe:1; |
| uint32_t ALG:1; |
| uint32_t IF:8; |
| uint32_t WDMAID:2; |
| uint32_t RXID:2; |
| uint32_t WCID:10; |
| uint32_t BSSID:6; |
| uint32_t rsv2:4; |
| uint16_t minfo:1; |
| uint16_t ntype:3; |
| uint16_t chid:8; |
| uint16_t rsv3:4; |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| u16 SOURCE; |
| u16 DEST; |
| #endif |
| u16 MAGIC_TAG_PROTECT; |
| } __packed; |
| |
| struct cb_rx_desc_info4 { |
| u16 MAGIC_TAG_PROTECT0; |
| uint32_t foe_entry_num:15; |
| uint32_t CRSN:5; |
| uint32_t SPORT:4; |
| uint32_t ALG:1; |
| uint32_t rsv:7; |
| uint16_t IF:8; |
| uint16_t WDMAID:2; |
| uint16_t RXID:2; |
| uint16_t WCID:10; |
| uint16_t BSSID:6; |
| uint16_t rsv1:4; |
| uint16_t minfo:1; |
| uint16_t ntype:3; |
| uint16_t chid:8; |
| uint16_t rsv2:4; |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| u16 SOURCE; |
| u16 DEST; |
| #endif |
| u16 MAGIC_TAG_PROTECT1; |
| } __packed; |
| |
| |
| |
| #define FOE_INFO_LEN 12 |
| #define WIFI_INFO_LEN 6 |
| |
| |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| #define FOE_INFO_LEN (6 + 4 + WIFI_INFO_LEN) |
| #define FOE_MAGIC_FASTPATH 0x77 |
| #define FOE_MAGIC_L2TPPATH 0x78 |
| #endif |
| |
| #define FOE_MAGIC_PCI 0x73 |
| #define FOE_MAGIC_WLAN 0x74 |
| #define FOE_MAGIC_GE 0x75 |
| #define FOE_MAGIC_PPE 0x76 |
| #define FOE_MAGIC_WED0 0x78 |
| #define FOE_MAGIC_WED1 0x79 |
| #define FOE_MAGIC_MED 0x80 |
| #define FOE_MAGIC_EDMA0 0x81 |
| #define FOE_MAGIC_EDMA1 0x82 |
| #define FOE_MAGIC_PPE0 0x83 |
| #define FOE_MAGIC_PPE1 0x84 |
| #define FOE_MAGIC_EDMARX 0x85 |
| #define FOE_MAGIC_RNDIS 0x86 |
| #define FOE_MAGIC_SNPS 0x87 |
| #define TAG_PROTECT 0x6789 |
| #define USE_HEAD_ROOM 0 |
| #define USE_TAIL_ROOM 1 |
| #define USE_CB 2 |
| #define ALL_INFO_ERROR 3 |
| |
| /**************************DMAD FORMAT********************************/ |
| #define FOE_TAG_PROTECT(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->MAGIC_TAG_PROTECT) |
| |
| #define FOE_ENTRY_NUM(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->foe_entry_num) |
| #define FOE_ALG(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->ALG) |
| #define FOE_AI(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->CRSN) |
| #define FOE_SP(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->SPORT) |
| #define FOE_MAGIC_TAG(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->IF) |
| #define FOE_WDMA_ID(skb) \ |
| (((struct dmad_rx_descinfo4 *)((skb)->head))->WDMAID) |
| #define FOE_RX_ID(skb) (((struct dmad_rx_descinfo4 *)((skb)->head))->RXID) |
| #define FOE_WC_ID(skb) (((struct dmad_rx_descinfo4 *)((skb)->head))->WCID) |
| #define FOE_BSS_ID(skb) (((struct dmad_rx_descinfo4 *)((skb)->head))->BSSID) |
| #define FOE_PPE(skb) (((struct dmad_rx_descinfo4 *)((skb)->head))->ppe) |
| |
| /***********************HEAD FORMAT*************************************/ |
| |
| #define FOE_TAG_PROTECT_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->MAGIC_TAG_PROTECT) |
| #define FOE_ENTRY_NUM_LSB_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->foe_entry_num) |
| #define FOE_ENTRY_NUM_MSB_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->foe_entry_num_1) |
| |
| #define FOE_ENTRY_NUM_HEAD(skb) \ |
| (((FOE_ENTRY_NUM_MSB_HEAD(skb) & 0x1) << 14) | FOE_ENTRY_NUM_LSB_HEAD(skb)) |
| |
| |
| #define FOE_ALG_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->ALG) |
| #define FOE_AI_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->CRSN) |
| #define FOE_SP_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->SPORT) |
| #define FOE_MAGIC_TAG_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->IF) |
| |
| |
| #define FOE_WDMA_ID_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->WDMAID) |
| #define FOE_RX_ID_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->RXID) |
| #define FOE_WC_ID_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->WCID) |
| #define FOE_BSS_ID_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->BSSID) |
| #define FOE_PPE_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->PPE) |
| |
| /****************************TAIL FORMAT***************************************/ |
| #define FOE_TAG_PROTECT_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->MAGIC_TAG_PROTECT) |
| #define FOE_ENTRY_NUM_LSB_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->foe_entry_num) |
| |
| #define FOE_ENTRY_NUM_MSB_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->foe_entry_num_1) |
| #define FOE_ENTRY_NUM_TAIL(skb) \ |
| (((FOE_ENTRY_NUM_MSB_TAIL(skb) & 0x1) << 14) | FOE_ENTRY_NUM_LSB_TAIL(skb)) |
| #define FOE_ALG_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->ALG) |
| #define FOE_AI_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->CRSN) |
| #define FOE_SP_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->SPORT) |
| #define FOE_MAGIC_TAG_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->IF) |
| |
| #define FOE_WDMA_ID_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->WDMAID) |
| #define FOE_RX_ID_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->RXID) |
| #define FOE_WC_ID_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->WCID) |
| #define FOE_BSS_ID_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->BSSID) |
| |
| #define FOE_PPE_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->ppe) |
| /*********************************************************************/ |
| #define FOE_WDMA_ID_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->head))->WDMAID) |
| #define FOE_RX_ID_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->head))->RXID) |
| #define FOE_WC_ID_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->head))->WCID) |
| #define FOE_BSS_ID_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->head))->BSSID) |
| |
| #define FOE_MINFO(skb) (((struct head_rx_descinfo4 *)((skb)->head))->minfo) |
| #define FOE_MINFO_NTYPE(skb) (((struct head_rx_descinfo4 *)((skb)->head))->ntype) |
| #define FOE_MINFO_CHID(skb) (((struct head_rx_descinfo4 *)((skb)->head))->chid) |
| #define FOE_MINFO_HEAD(skb) (((struct head_rx_descinfo4 *)((skb)->head))->minfo) |
| #define FOE_MINFO_NTYPE_HEAD(skb) (((struct head_rx_descinfo4 *)((skb)->head))->ntype) |
| #define FOE_MINFO_CHID_HEAD(skb) (((struct head_rx_descinfo4 *)((skb)->head))->chid) |
| |
| #define FOE_MINFO_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->minfo) |
| #define FOE_MINFO_NTYPE_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->ntype) |
| #define FOE_MINFO_CHID_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->chid) |
| |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| #define FOE_SOURCE(skb) (((struct head_rx_descinfo4 *)((skb)->head))->SOURCE) |
| #define FOE_DEST(skb) (((struct head_rx_descinfo4 *)((skb)->head))->DEST) |
| #endif |
| |
| #define IS_SPACE_AVAILABLE_HEAD(skb) \ |
| ((((skb_headroom(skb) >= FOE_INFO_LEN) ? 1 : 0))) |
| #define IS_SPACE_AVAILABLE_HEAD(skb) \ |
| ((((skb_headroom(skb) >= FOE_INFO_LEN) ? 1 : 0))) |
| #define FOE_INFO_START_ADDR_HEAD(skb) (skb->head) |
| |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| #define FOE_SOURCE_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->SOURCE) |
| #define FOE_DEST_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->DEST) |
| #endif |
| |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| #define FOE_SOURCE_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->SOURCE) |
| #define FOE_DEST_HEAD(skb) \ |
| (((struct head_rx_descinfo4 *)((skb)->head))->DEST) |
| #endif |
| #define IS_SPACE_AVAILABLE_TAIL(skb) \ |
| (((skb_tailroom(skb) >= FOE_INFO_LEN) ? 1 : 0)) |
| #define IS_SPACE_AVAILABLE_TAIL(skb) \ |
| (((skb_tailroom(skb) >= FOE_INFO_LEN) ? 1 : 0)) |
| #define FOE_INFO_START_ADDR_TAIL(skb) \ |
| ((unsigned char *)(long)(skb_end_pointer(skb) - FOE_INFO_LEN)) |
| |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| #define FOE_SOURCE_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->SOURCE) |
| #define FOE_DEST_TAIL(skb) \ |
| (((struct pdma_rx_desc_info4 *)((long)((skb_end_pointer(skb)) - FOE_INFO_LEN)))->DEST) |
| #endif |
| |
| /* change the position of skb_CB if necessary */ |
| #define CB_OFFSET 40 |
| #define IS_SPACE_AVAILABLE_CB(skb) 1 |
| #define FOE_INFO_START_ADDR_CB(skb) (skb->cb + CB_OFFSET) |
| #define FOE_TAG_PROTECT_CB0(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->MAGIC_TAG_PROTECT0) |
| #define FOE_TAG_PROTECT_CB1(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->MAGIC_TAG_PROTECT1) |
| #define FOE_ENTRY_NUM_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->foe_entry_num) |
| #define FOE_ALG_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->ALG) |
| #define FOE_AI_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->CRSN) |
| #define FOE_SP_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->SPORT) |
| #define FOE_MAGIC_TAG_CB(skb) \ |
| (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->IF) |
| |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| #define FOE_SOURCE_CB(skb) (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->SOURCE) |
| #define FOE_DEST_CB(skb) (((struct cb_rx_desc_info4 *)((skb)->cb + CB_OFFSET))->DEST) |
| #endif |
| |
| #define IS_MAGIC_TAG_PROTECT_VALID_HEAD(skb) \ |
| (FOE_TAG_PROTECT_HEAD(skb) == TAG_PROTECT) |
| #define IS_MAGIC_TAG_PROTECT_VALID_TAIL(skb) \ |
| (FOE_TAG_PROTECT_TAIL(skb) == TAG_PROTECT) |
| #define IS_MAGIC_TAG_PROTECT_VALID_CB(skb) \ |
| ((FOE_TAG_PROTECT_CB0(skb) == TAG_PROTECT) && \ |
| (FOE_TAG_PROTECT_CB0(skb) == FOE_TAG_PROTECT_CB1(skb))) |
| |
| #define IS_IF_PCIE_WLAN_HEAD(skb) \ |
| ((FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_PCI) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_WLAN) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_GE) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_RNDIS) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_EDMARX)) |
| |
| #define IS_IF_PCIE_WLAN_TAIL(skb) \ |
| ((FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_PCI) || \ |
| (FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_WLAN) || \ |
| (FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_RNDIS)) |
| |
| #define IS_IF_PCIE_WLAN_CB(skb) \ |
| ((FOE_MAGIC_TAG_CB(skb) == FOE_MAGIC_PCI) || \ |
| (FOE_MAGIC_TAG_CB(skb) == FOE_MAGIC_WLAN) || \ |
| (FOE_MAGIC_TAG_CB(skb) == FOE_MAGIC_RNDIS)) |
| |
| /* macros */ |
| #define magic_tag_set_zero(skb) \ |
| { \ |
| if ((FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_PCI) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_WLAN) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_RNDIS) || \ |
| (FOE_MAGIC_TAG_HEAD(skb) == FOE_MAGIC_GE)) { \ |
| if (IS_SPACE_AVAILABLE_HEAD(skb)) \ |
| FOE_MAGIC_TAG_HEAD(skb) = 0; \ |
| } \ |
| if ((FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_PCI) || \ |
| (FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_WLAN) || \ |
| (FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_RNDIS) || \ |
| (FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_GE)) { \ |
| if (IS_SPACE_AVAILABLE_TAIL(skb)) \ |
| FOE_MAGIC_TAG_TAIL(skb) = 0; \ |
| } \ |
| } |
| |
| static inline void hwnat_set_l2tp_unhit(struct iphdr *iph, struct sk_buff *skb) |
| { |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| /* only clear headeroom for TCP OR not L2TP packets */ |
| if ((iph->protocol == 0x6) || (ntohs(udp_hdr(skb)->dest) != 1701)) { |
| if (IS_SPACE_AVAILABLE_HEAD(skb)) { |
| FOE_MAGIC_TAG(skb) = 0; |
| FOE_AI(skb) = UN_HIT; |
| } |
| } |
| #endif |
| } |
| |
| static inline void hwnat_set_l2tp_fast_path(u32 l2tp_fast_path, u32 pptp_fast_path) |
| { |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| l2tp_fast_path = 1; |
| pptp_fast_path = 0; |
| #endif |
| } |
| |
| static inline void hwnat_clear_l2tp_fast_path(u32 l2tp_fast_path) |
| { |
| #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) |
| l2tp_fast_path = 0; |
| #endif |
| } |
| |
| /* #define CONFIG_HW_NAT_IPI */ |
| #if defined(CONFIG_HW_NAT_IPI) |
| extern int debug_level; |
| int get_rps_cpu(struct net_device *dev, struct sk_buff *skb, |
| struct rps_dev_flow **rflowp); |
| uint32_t ppe_extif_rx_handler(struct sk_buff *skb); |
| int hitbind_force_to_cpu_handler(struct sk_buff *skb, struct foe_entry *entry); |
| extern unsigned int ipidbg[num_possible_cpus()][10]; |
| extern unsigned int ipidbg2[num_possible_cpus()][10]; |
| /* #define HNAT_IPI_RXQUEUE 1 */ |
| #define HNAT_IPI_DQ 1 |
| #define HNAT_IPI_HASH_NORMAL 0 |
| #define HNAT_IPI_HASH_VTAG 1 |
| #define HNAT_IPI_HASH_FROM_EXTIF 2 |
| #define HNAT_IPI_HASH_FROM_GMAC 4 |
| |
| struct hnat_ipi_s { |
| #if defined(HNAT_IPI_DQ) |
| struct sk_buff_head skb_input_queue; |
| struct sk_buff_head skb_process_queue; |
| #elif defined(HNAT_IPI_RXQUEUE) |
| atomic_t rx_queue_num; |
| unsigned int rx_queue_ridx; |
| unsigned int rx_queue_widx; |
| struct sk_buff **rx_queue; |
| #else |
| /* unsigned int dummy0[0]; */ |
| struct sk_buff_head skb_ipi_queue; |
| /* unsigned int dummy1[8]; */ |
| #endif |
| unsigned long time_rec, recv_time; |
| unsigned int ipi_accum; |
| /*hwnat ipi use*/ |
| spinlock_t ipilock; |
| struct tasklet_struct smp_func_call_tsk; |
| } ____cacheline_aligned_in_smp; |
| |
| struct hnat_ipi_stat { |
| unsigned long drop_pkt_num_from_extif; |
| unsigned long drop_pkt_num_from_ppehit; |
| unsigned int smp_call_cnt_from_extif; |
| unsigned int smp_call_cnt_from_ppehit; |
| atomic_t cpu_status; |
| /* atomic_t cpu_status_from_extif; */ |
| /* atomic_t cpu_status_from_ppehit; */ |
| |
| /* atomic_t hook_status_from_extif; */ |
| /* atomic_t hook_status_from_ppehit; */ |
| } ____cacheline_aligned_in_smp; |
| |
| #define cpu_status_from_extif cpu_status |
| #define cpu_status_from_ppehit cpu_status |
| |
| struct hnat_ipi_cfg { |
| unsigned int enable_from_extif; |
| unsigned int enable_from_ppehit; |
| unsigned int queue_thresh_from_extif; |
| unsigned int queue_thresh_from_ppehit; |
| unsigned int drop_pkt_from_extif; |
| unsigned int drop_pkt_from_ppehit; |
| unsigned int ipi_cnt_mod_from_extif; |
| unsigned int ipi_cnt_mod_from_ppehit; |
| } ____cacheline_aligned_in_smp; |
| |
| int hnat_ipi_init(void); |
| int hnat_ipi_de_init(void); |
| #endif |
| |
| #define QDMA_RX 5 |
| #define PDMA_RX 0 |
| |
| #if defined(CONFIG_HW_NAT) |
| void mtk_hook_fast_path(struct net_device *dev); |
| #endif |
| |
| #endif |