Merge "msm_ipa: new structure for tunnel design for uC" (4e18d32a) · Commits · e / devices / android_kernel_fairphone_FP5

include/uapi/linux/msm_ipa.h

+108 −0

Original line number	Diff line number	Diff line
		@@ -152,6 +152,8 @@
		#define IPA_IOCTL_SET_EXT_ROUTER_MODE 95
		#define IPA_IOCTL_ADD_DEL_DSCP_PCP_MAPPING 96
		#define IPA_IOCTL_SEND_VLAN_MUXID_MAPPING 97
		#define IPA_IOCTL_SEND_TUNNEL_TEMPLATE_INFO 98
		#define IPA_IOCTL_QUERY_TUNNEL_FEATURE 99
		/**
		* max size of the header to be inserted
		*/
		@@ -1776,6 +1778,104 @@ struct ipa_ioc_mux_mapping_table {
		struct singletag_mux_map_entry map_entries[MAX_VLAN_CONFIGURE];
		};

		/* Feature Type Supported Design*/
		/* Cache all Design Support with Regular HPS for both EoGRE and MPLSoGRE tunnel */
		#define DEFAULT_FEATURE 0x00
		/* EoGRE to support Single Tag packet with new HPS */
		#define SINGLE_TAG_FEATURE 0x01
		/* MPLSoGRE to support Double Tag packet with new HPS */
		#define DOUBLE_TAG_FEATURE 0x02
		/* EoGRE to support UnTag packet with new HPS */
		#define UNTAG_FEATURE 0x03

		/* l2 header is adjusted for every hwp_pkt_next_action */
		/* uc evaluate l2 header length and send packet to exception */
		#define SW_PATH_ADJ_L2_EXCEPTION 0x00
		/* uc evaluate l2 header length and send packet to 2nd pass */
		#define HW_PATH_ADJ_L2_RESUME_2ND_PASS 0x01
		/* uc evaluate l2 header length, update the metadata and send packet to 2nd pass */
		#define HW_PATH_ADJ_L2_METADATA_UPDATE_RESUME_2ND_PASS 0x02
		/* uc evaluate l2 header length, add outer header and send packet to 2nd pass */
		#define HW_PATH_ADJ_L2_ADD_TUNNEL_RESUME_2ND_PASS 0x03
		/* uc evaluate l2 header, update metadata, add outer header and send packet to 2nd pass */
		#define HW_PATH_ADJ_L2_ADD_TUNNEL_WITH_METADATA_UPDATE_RESUME_2ND_PASS 0x04

		/* untagged packet configuration */
		struct untag_pkt_config_t {
		/* packet action that should follow untag packet */
		uint32_t action_configured;
		/* pdn from which untag packet should transfer */
		uint8_t mux_id;
		/* flag if 1=>pkt_with_option_hdr 0=>pkt_without_option_hdr */
		uint8_t is_v6_options_hdr_present;
		uint16_t pad0; /for alignment/
		/* lower 32 bit of tunnel header address */
		uint32_t *tunnel_template_addr;
		uint32_t pad1; /for alignment/
		} __packed;


		/* vlanid - action - tunnel_id - mux_id */
		struct singletag_mux_mapping_table_t {
		/* multi tunnel purpose */
		uint16_t vlan_id_start;
		uint16_t vlan_id_end;
		uint32_t action_configured;
		/* pdn from which untag packet should transfer */
		uint8_t mux_id;
		/* flag if 1=>pkt_with_option_hdr 0=>pkt_without_option_hdr */
		uint8_t is_v6_options_hdr_present;
		uint16_t pad0; /for alignment/
		uint32_t *tunnel_template_addr;
		} __packed;

		struct doubletag_mux_mapping_table_t {
		/* multi tunnel purpose */
		uint16_t stag_id_start;
		uint16_t stag_id_end;
		uint16_t ctag_id_start;
		uint16_t ctag_id_end;
		uint32_t action_configured;
		/* pdn from which untag packet should transfer */
		uint8_t mux_id;
		/* flag if 1=>pkt_with_option_hdr 0=>pkt_without_option_hdr */
		uint8_t is_v6_options_hdr_present;
		uint16_t pad0; /for alignment/
		uint32_t *tunnel_template_addr;
		uint32_t pad1; /for alignment/
		} __packed;

		/* max template side pass to uc */
		#define MAX_TEMPLATE_SIZE 64
		/* max number of tunnel to support ie: per PDN two tunnel (28)/
		#define MAX_TUNNEL_SUPPORT 16

		/* configuration table */
		struct tunnel_protocols_config_table_t {
		struct untag_pkt_config_t untagged_mapping_table;
		uint8_t num_of_single_tag_configs;
		uint8_t pad0; /for alignment/
		uint16_t pad1; /for alignment/
		uint32_t pad2; /for alignment/
		/* table for single tag pkt */
		struct singletag_mux_mapping_table_t singletag_mux_mapping_table[MAX_TUNNEL_SUPPORT];
		uint8_t num_of_double_tag_configs;
		uint8_t pad3; /for alignment/
		uint16_t pad4; /for alignment/
		uint32_t pad5; /for alignment/
		/* table for double tag pkt */
		struct doubletag_mux_mapping_table_t doubletag_mux_mapping_table[MAX_TUNNEL_SUPPORT];
		};

		/* ioctl tunnel configuration table */

		struct ipa_ioc_tunnel_template_info {
		uint8_t template_header[MAX_TEMPLATE_SIZE];
		uint32_t template_len;
		uint32_t template_type;
		/tunnel configuration table/
		struct tunnel_protocols_config_table_t tunnel_config;
		};

		/**
		* struct ipa_exception
		@@ -4103,6 +4203,14 @@ struct ipa_ioc_dscp_pcp_map_info {
		IPA_IOCTL_SEND_VLAN_MUXID_MAPPING, \
		struct ipa_ioc_mux_mapping_table)

		#define IPA_IOC_SEND_TUNNEL_TEMPLATE_INFO _IOW(IPA_IOC_MAGIC, \
		IPA_IOCTL_SEND_TUNNEL_TEMPLATE_INFO, \
		struct ipa_ioc_tunnel_template_info)


		#define IPA_IOC_QUERY_TUNNEL_FEATURE _IOW(IPA_IOC_MAGIC, \
		IPA_IOCTL_QUERY_TUNNEL_FEATURE, \
		uint8_t)

		/*
		* unique magic number of the Tethering bridge ioctls