/* SPDX-License-Identifier: GPL-2.0 * * Copyright (c) 2019 MediaTek Inc. * Author: Harry Huang */ #ifndef _RA_NAT_WANTED #define _RA_NAT_WANTED #include #include #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; #if defined(CONFIG_MEDIATEK_NETSYS_V2) 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; #else struct head_rx_descinfo4 { uint32_t foe_entry_num:14; uint32_t CRSN:5; uint32_t SPORT:3; uint32_t rsv:1; uint32_t ALG:1; uint32_t IF:4; uint32_t rsv2:4; uint32_t MAGIC_TAG_PROTECT: 16; uint32_t WDMAID:2; uint32_t RXID:2; uint32_t WCID:10; uint32_t BSSID:6; #if defined(CONFIG_RA_HW_NAT_PPTP_L2TP) u16 SOURCE; u16 DEST; #endif } __packed; #endif 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 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)) #define IS_IF_PCIE_WLAN_TAIL(skb) \ ((FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_PCI) || \ (FOE_MAGIC_TAG_TAIL(skb) == FOE_MAGIC_WLAN)) #define IS_IF_PCIE_WLAN_CB(skb) \ ((FOE_MAGIC_TAG_CB(skb) == FOE_MAGIC_PCI) || \ (FOE_MAGIC_TAG_CB(skb) == FOE_MAGIC_WLAN)) /* 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_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_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 #endif