[][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/drivers/net/ethernet/mediatek/mtk_hnat/nf_hnat_mtk.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_hnat/nf_hnat_mtk.h
new file mode 100644
index 0000000..bd857f4
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_hnat/nf_hnat_mtk.h
@@ -0,0 +1,126 @@
+/* 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_RX_V2)
+struct hnat_desc {
+ u32 entry : 15;
+ u32 resv0 : 3;
+ u32 crsn : 5;
+ u32 resv1 : 3;
+ u32 sport : 4;
+ u32 resv2 : 1;
+ u32 alg : 1;
+ u32 iface : 4;
+ u32 resv3 : 4;
+ u32 magic_tag_protect : 16;
+ u32 wdmaid : 2;
+ u32 rxid : 2;
+ u32 wcid : 10;
+ u32 bssid : 6;
+} __packed;
+#else
+struct hnat_desc {
+ u32 entry : 14;
+ u32 crsn : 5;
+ u32 sport : 4;
+ u32 alg : 1;
+ u32 iface : 4;
+ u32 resv : 4;
+ u32 magic_tag_protect : 16;
+ u32 wdmaid : 8;
+ u32 rxid : 2;
+ u32 wcid : 8;
+ u32 bssid : 6;
+} __packed;
+#endif
+
+#if defined(CONFIG_NET_MEDIATEK_HW_QOS)
+#define HQOS_MAGIC_TAG 0x5678
+#define HAS_HQOS_MAGIC_TAG(skb) (skb->protocol == HQOS_MAGIC_TAG)
+#else
+#define HAS_HQOS_MAGIC_TAG(skb) NULL
+#endif
+
+#define HNAT_MAGIC_TAG 0x6789
+#define WIFI_INFO_LEN 3
+#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_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 do_ext2ge_fast_try(dev, skb) (IS_EXT(dev) && !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_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
+
+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