[][Add initial mtk feed for OpenWRT v21.02]
[Description]
Add initial mtk feed for OpenWRT v21.02
[Release-log]
N/A
Change-Id: I8051c6ba87f1ccf26c02fdd88a17d66f63c0b101
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/4495320
diff --git a/target/linux/mediatek/files-5.4/include/net/ra_nat.h b/target/linux/mediatek/files-5.4/include/net/ra_nat.h
new file mode 100755
index 0000000..7ac691c
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/include/net/ra_nat.h
@@ -0,0 +1,537 @@
+/* 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 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