diff options
Diffstat (limited to 'drivers/net/wwan/iosm/iosm_ipc_mux.h')
| -rw-r--r-- | drivers/net/wwan/iosm/iosm_ipc_mux.h | 133 |
1 files changed, 118 insertions, 15 deletions
diff --git a/drivers/net/wwan/iosm/iosm_ipc_mux.h b/drivers/net/wwan/iosm/iosm_ipc_mux.h index 88debaa1ed31..cd9d74cc097f 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_mux.h +++ b/drivers/net/wwan/iosm/iosm_ipc_mux.h @@ -8,9 +8,12 @@ #include "iosm_ipc_protocol.h" -/* Size of the buffer for the IP MUX data buffer. */ -#define IPC_MEM_MAX_DL_MUX_BUF_SIZE (16 * 1024) -#define IPC_MEM_MAX_UL_ADB_BUF_SIZE IPC_MEM_MAX_DL_MUX_BUF_SIZE +#define IPC_MEM_MAX_UL_DG_ENTRIES 100 +#define IPC_MEM_MAX_TDS_MUX_AGGR_UL 60 + +#define IPC_MEM_MAX_ADB_BUF_SIZE (16 * 1024) +#define IPC_MEM_MAX_UL_ADB_BUF_SIZE IPC_MEM_MAX_ADB_BUF_SIZE +#define IPC_MEM_MAX_DL_ADB_BUF_SIZE IPC_MEM_MAX_ADB_BUF_SIZE /* Size of the buffer for the IP MUX Lite data buffer. */ #define IPC_MEM_MAX_DL_MUX_LITE_BUF_SIZE (2 * 1024) @@ -167,6 +170,7 @@ enum mux_state { enum ipc_mux_protocol { MUX_UNKNOWN, MUX_LITE, + MUX_AGGREGATION, }; /* Supported UL data transfer methods. */ @@ -192,24 +196,111 @@ struct mux_session { flush:1; /* flush net interface ? */ }; -/* State of a single UL data block. */ +/** + * struct mux_adth_dg - Structure of the datagram in the Aggregated Datagram + * Table Header. + * @datagram_index : Index (in bytes) to the k-th datagram in the table. + * Index shall count from the start of the block including + * the 16-byte header. This value shall be non-zero. + * @datagram_length: Length of the k-th datagram including the head padding. + * This value shall be non-zero. + * @service_class: Service class identifier for the datagram. + * @reserved: Reserved bytes. Set to zero + */ +struct mux_adth_dg { + __le32 datagram_index; + __le16 datagram_length; + u8 service_class; + u8 reserved; +}; + +/** + * struct mux_qlth_ql - Structure of the queue level in the Aggregated + * Datagram Queue Level Table Header. + * @nr_of_bytes: Number of bytes available to transmit in the queue. + */ +struct mux_qlth_ql { + __le32 nr_of_bytes; +}; + +/** + * struct mux_qlth - Structure of Aggregated Datagram Queue Level Table + * Header. + * @signature: Signature of the Queue Level Table Header + * Value: 0x48544C51 (ASCII characters: 'Q' 'L' 'T' 'H') + * @table_length: Length (in bytes) of the datagram table. This length + * shall include the queue level table header size. + * Minimum value:0x10 + * @if_id: ID of the interface the queue levels in the table + * belong to. + * @reserved: Reserved byte. Set to zero. + * @next_table_index: Index (in bytes) to the next table in the buffer. Index + * shall count from the start of the block including the + * 16-byte header. Value of zero indicates end of the list. + * @reserved2: Reserved bytes. Set to zero + * @ql: Queue level table with variable length + */ +struct mux_qlth { + __le32 signature; + __le16 table_length; + u8 if_id; + u8 reserved; + __le32 next_table_index; + __le32 reserved2; + struct mux_qlth_ql ql; +}; + +/** + * struct mux_adb - Structure of State of a single UL data block. + * @dest_skb: Current UL skb for the data block. + * @buf: ADB memory + * @adgh: ADGH pointer + * @qlth_skb: QLTH pointer + * @next_table_index: Pointer to next table index. + * @free_list: List of alloc. ADB for the UL sess. + * @size: Size of the ADB memory. + * @if_cnt: Statistic counter + * @dg_cnt_total: Datagram count total + * @payload_size: Payload Size + * @dg: Datagram table. + * @pp_qlt: Pointers to hold Queue Level Tables of session + * @adbh: ADBH pointer + * @qlt_updated: Queue level table updated + * @dg_count: Datagram count + */ struct mux_adb { - struct sk_buff *dest_skb; /* Current UL skb for the data block. */ - u8 *buf; /* ADB memory. */ - struct mux_adgh *adgh; /* ADGH pointer */ - struct sk_buff *qlth_skb; /* QLTH pointer */ - u32 *next_table_index; /* Pointer to next table index. */ - struct sk_buff_head free_list; /* List of alloc. ADB for the UL sess.*/ - int size; /* Size of the ADB memory. */ - u32 if_cnt; /* Statistic counter */ + struct sk_buff *dest_skb; + u8 *buf; + struct mux_adgh *adgh; + struct sk_buff *qlth_skb; + u32 *next_table_index; + struct sk_buff_head free_list; + int size; + u32 if_cnt; u32 dg_cnt_total; u32 payload_size; + struct mux_adth_dg + dg[IPC_MEM_MUX_IP_SESSION_ENTRIES][IPC_MEM_MAX_UL_DG_ENTRIES]; + struct mux_qlth *pp_qlt[IPC_MEM_MUX_IP_SESSION_ENTRIES]; + struct mux_adbh *adbh; + u32 qlt_updated[IPC_MEM_MUX_IP_SESSION_ENTRIES]; + u32 dg_count[IPC_MEM_MUX_IP_SESSION_ENTRIES]; }; -/* Temporary ACB state. */ +/** + * struct mux_acb - Structure of Temporary ACB state. + * @skb: Used UL skb. + * @if_id: Session id. + * @buf_p: Command buffer. + * @wanted_response: Wanted Response + * @got_response: Got response + * @cmd: command + * @got_param: Received command/response parameter + */ struct mux_acb { struct sk_buff *skb; /* Used UL skb. */ int if_id; /* Session id. */ + u8 *buf_p; u32 wanted_response; u32 got_response; u32 cmd; @@ -241,6 +332,12 @@ struct mux_acb { * @wwan_q_offset: This will hold the offset of the given instance * Useful while passing or receiving packets from * wwan/imem layer. + * @adb_finish_timer: Timer for forcefully finishing the ADB + * @acb_tx_sequence_nr: Sequence number for the ACB header. + * @params: user configurable parameters + * @adb_tx_sequence_nr: Sequence number for ADB header + * @acc_adb_size: Statistic data for logging + * @acc_payload_size: Statistic data for logging * @initialized: MUX object is initialized * @ev_mux_net_transmit_pending: * 0 means inform the IPC tasklet to pass the @@ -269,10 +366,16 @@ struct iosm_mux { long long ul_data_pend_bytes; struct mux_acb acb; int wwan_q_offset; + struct hrtimer adb_finish_timer; + u16 acb_tx_sequence_nr; + struct ipc_params *params; + u16 adb_tx_sequence_nr; + unsigned long long acc_adb_size; + unsigned long long acc_payload_size; u8 initialized:1, ev_mux_net_transmit_pending:1, - adb_prep_ongoing:1; -}; + adb_prep_ongoing; +} __packed; /* MUX configuration structure */ struct ipc_mux_config { |