msm: ipa3: EoGRE feature (978a8221) · Commits · e / devices / android_kernel_fairphone_FP5

include/uapi/linux/msm_ipa.h

+111 −13

Original line number	Diff line number	Diff line
		@@ -138,6 +138,8 @@
		#define IPA_IOCTL_SET_SW_FLT 85
		#define IPA_IOCTL_GET_HW_FEATURE_SUPPORT 86
		#define IPA_IOCTL_SET_PKT_THRESHOLD 87
		#define IPA_IOCTL_ADD_EoGRE_MAPPING 88
		#define IPA_IOCTL_DEL_EoGRE_MAPPING 89

		/**
		* max size of the header to be inserted
		@@ -834,7 +836,14 @@ enum ipa_move_nat_table_event {
		#define IPA_MOVE_NAT_EVENT_MAX IPA_MOVE_NAT_EVENT_MAX
		};

		#define IPA_EVENT_MAX_NUM (IPA_MOVE_NAT_EVENT_MAX)
		enum ipa_eogre_event {
		IPA_EoGRE_UP_EVENT = IPA_MOVE_NAT_EVENT_MAX,
		IPA_EoGRE_DOWN_EVENT,
		IPA_EoGRE_EVENT_MAX
		#define IPA_EoGRE_EVENT_MAX IPA_EoGRE_EVENT_MAX
		};

		#define IPA_EVENT_MAX_NUM (IPA_EoGRE_EVENT_MAX)
		#define IPA_EVENT_MAX ((int)IPA_EVENT_MAX_NUM)

		/**
		@@ -1266,17 +1275,23 @@ enum ipa_hdr_l2_type {

		/**
		* enum ipa_hdr_l2_type - Processing context type
		*
		* IPA_HDR_PROC_NONE: No processing context
		* IPA_HDR_PROC_ETHII_TO_ETHII: Process Ethernet II to Ethernet II
		* IPA_HDR_PROC_ETHII_TO_802_3: Process Ethernet II to 802_3
		* IPA_HDR_PROC_802_3_TO_ETHII: Process 802_3 to Ethernet II
		* IPA_HDR_PROC_802_3_TO_802_3: Process 802_3 to 802_3
		* IPA_HDR_PROC_L2TP_HEADER_ADD:
		* IPA_HDR_PROC_L2TP_HEADER_REMOVE:
		* IPA_HDR_PROC_ETHII_TO_ETHII_EX: Process Ethernet II to Ethernet II with
		* generic lengths of src and dst headers
		* IPA_HDR_PROC_L2TP_UDP_HEADER_ADD: Process WLAN To Ethernet packets to
		* add L2TP UDP header.
		* IPA_HDR_PROC_L2TP_UDP_HEADER_REMOVE: Process Ethernet To WLAN packets to
		* remove L2TP UDP header.
		* IPA_HDR_PROC_SET_DSCP:
		* IPA_HDR_PROC_EoGRE_HEADER_ADD: Add IPV[46] GRE header
		* IPA_HDR_PROC_EoGRE_HEADER_REMOVE: Remove IPV[46] GRE header
		*/
		enum ipa_hdr_proc_type {
		IPA_HDR_PROC_NONE,
		@@ -1289,9 +1304,11 @@ enum ipa_hdr_proc_type {
		IPA_HDR_PROC_ETHII_TO_ETHII_EX,
		IPA_HDR_PROC_L2TP_UDP_HEADER_ADD,
		IPA_HDR_PROC_L2TP_UDP_HEADER_REMOVE,
		IPA_HDR_PROC_SET_DSCP
		IPA_HDR_PROC_SET_DSCP,
		IPA_HDR_PROC_EoGRE_HEADER_ADD,
		IPA_HDR_PROC_EoGRE_HEADER_REMOVE,
		};
		#define IPA_HDR_PROC_MAX (IPA_HDR_PROC_SET_DSCP + 1)
		#define IPA_HDR_PROC_MAX (IPA_HDR_PROC_EoGRE_HEADER_REMOVE + 1)

		/**
		* struct ipa_rt_rule - attributes of a routing rule
		@@ -1452,6 +1469,78 @@ struct ipa_l2tp_hdr_proc_ctx_params {
		enum ipa_client_type dst_pipe;
		};

		#define IPA_EoGRE_MAX_PCP_IDX 8 /* From 802.1Q tag format (reflects IEEE P802.1p) */
		#define IPA_EoGRE_MAX_VLAN 8 /* Our supported number of VLAN id's */

		/* vlan 12 bits + pcp 3 bites <-> dscp 6 bits */
		struct IpaDscpVlanPcpMap_t {
		/*
		* valid only lower 12 bits
		*/
		uint16_t vlan[IPA_EoGRE_MAX_VLAN];
		/*
		* dscp[vlan][pcp], valid only lower 6 bits, using pcp as index
		*/
		uint8_t dscp[IPA_EoGRE_MAX_VLAN][IPA_EoGRE_MAX_PCP_IDX];
		uint8_t num_vlan; /* indicate how many vlans valid */
		uint8_t reserved0;
		} __packed;

		struct ipa_ipgre_info {
		/* ip address type */
		enum ipa_ip_type iptype;
		/* ipv4 */
		uint32_t ipv4_src;
		uint32_t ipv4_dst;
		/* ipv6 */
		uint32_t ipv6_src[4];
		uint32_t ipv6_dst[4];
		/* gre header info */
		uint16_t gre_protocol;
		};

		struct ipa_ioc_eogre_info {
		/* ip and gre info */
		struct ipa_ipgre_info ipgre_info;
		/* mapping info */
		struct IpaDscpVlanPcpMap_t map_info;
		};

		/**
		* struct ipa_eogre_header_add_procparams -
		* @eth_hdr_retained: Specifies if Ethernet header is retained or not
		* @input_ip_version: Specifies if Input header is IPV4(0) or IPV6(1)
		* @output_ip_version: Specifies if template header's outer IP is IPV4(0) or IPV6(1)
		* @second_pass: Specifies if the data should be processed again.
		*/
		struct ipa_eogre_header_add_procparams {
		uint32_t eth_hdr_retained :1;
		uint32_t input_ip_version :1;
		uint32_t output_ip_version :1;
		uint32_t second_pass :1;
		uint32_t reserved :28;
		};

		/**
		* struct ipa_eogre_header_remove_procparams -
		* @hdr_len_remove: Specifies how much (in bytes) of the header needs
		* to be removed
		*/
		struct ipa_eogre_header_remove_procparams {
		uint32_t hdr_len_remove:8; /* 44 bytes for IPV6, 24 for IPV4 */
		uint32_t reserved:24;
		};

		/**
		* struct ipa_eogre_hdr_proc_ctx_params -
		* @hdr_add_param: parameters for header add
		* @hdr_remove_param: parameters for header remove
		*/
		struct ipa_eogre_hdr_proc_ctx_params {
		struct ipa_eogre_header_add_procparams hdr_add_param;
		struct ipa_eogre_header_remove_procparams hdr_remove_param;
		};

		/**
		* struct ipa_eth_II_to_eth_II_ex_procparams -
		* @input_ethhdr_negative_offset: Specifies where the ethernet hdr offset is
		@@ -1474,6 +1563,7 @@ struct ipa_eth_II_to_eth_II_ex_procparams {
		* @type: processing context type
		* @hdr_hdl: in parameter, handle to header
		* @l2tp_params: l2tp parameters
		* @eogre_params: eogre parameters
		* @generic_params: generic proc_ctx params
		* @proc_ctx_hdl: out parameter, handle to proc_ctx, valid when status is 0
		* @status: out parameter, status of header add operation,
		@@ -1486,6 +1576,7 @@ struct ipa_hdr_proc_ctx_add {
		uint32_t proc_ctx_hdl;
		int status;
		struct ipa_l2tp_hdr_proc_ctx_params l2tp_params;
		struct ipa_eogre_hdr_proc_ctx_params eogre_params;
		struct ipa_eth_II_to_eth_II_ex_procparams generic_params;
		};

		@@ -3435,6 +3526,13 @@ struct ipa_ioc_sw_flt_list_type {
		#define IPA_IOC_SET_PKT_THRESHOLD _IOWR(IPA_IOC_MAGIC, \
		IPA_IOCTL_SET_PKT_THRESHOLD, \
		struct ipa_ioc_set_pkt_threshold)

		#define IPA_IOC_ADD_EoGRE_MAPPING _IOWR(IPA_IOC_MAGIC, \
		IPA_IOCTL_ADD_EoGRE_MAPPING, \
		struct ipa_ioc_eogre_info)
		#define IPA_IOC_DEL_EoGRE_MAPPING _IOWR(IPA_IOC_MAGIC, \
		IPA_IOCTL_DEL_EoGRE_MAPPING, \
		struct ipa_ioc_eogre_info)
		/*
		* unique magic number of the Tethering bridge ioctls
		*/