/* * Copyright (C) ST-Ericsson AB 2010 * Author: Sjur Brendeland * License terms: GNU General Public License (GPL) version 2 */ #ifndef CAIF_DEV_H_ #define CAIF_DEV_H_ #include #include #include #include #include #include /** * struct caif_param - CAIF parameters. * @size: Length of data * @data: Binary Data Blob */ struct caif_param { u16 size; u8 data[256]; }; /** * struct caif_connect_request - Request data for CAIF channel setup. * @protocol: Type of CAIF protocol to use (at, datagram etc) * @sockaddr: Socket address to connect. * @priority: Priority of the connection. * @link_selector: Link selector (high bandwidth or low latency) * @ifindex: kernel index of the interface. * @param: Connect Request parameters (CAIF_SO_REQ_PARAM). * * This struct is used when connecting a CAIF channel. * It contains all CAIF channel configuration options. */ struct caif_connect_request { enum caif_protocol_type protocol; struct sockaddr_caif sockaddr; enum caif_channel_priority priority; enum caif_link_selector link_selector; int ifindex; struct caif_param param; }; /** * caif_connect_client - Connect a client to CAIF Core Stack. * @config: Channel setup parameters, specifying what address * to connect on the Modem. * @client_layer: User implementation of client layer. This layer * MUST have receive and control callback functions * implemented. * @ifindex: Link layer interface index used for this connection. * @headroom: Head room needed by CAIF protocol. * @tailroom: Tail room needed by CAIF protocol. * * This function connects a CAIF channel. The Client must implement * the struct cflayer. This layer represents the Client layer and holds * receive functions and control callback functions. Control callback * function will receive information about connect/disconnect responses, * flow control etc (see enum caif_control). * E.g. CAIF Socket will call this function for each socket it connects * and have one client_layer instance for each socket. */ int caif_connect_client(struct net *net, struct caif_connect_request *conn_req, struct cflayer *client_layer, int *ifindex, int *headroom, int *tailroom); /** * caif_disconnect_client - Disconnects a client from the CAIF stack. * * @client_layer: Client layer to be disconnected. */ int caif_disconnect_client(struct net *net, struct cflayer *client_layer); /** * caif_client_register_refcnt - register ref-count functions provided by client. * * @adapt_layer: Client layer using CAIF Stack. * @hold: Function provided by client layer increasing ref-count * @put: Function provided by client layer decreasing ref-count * * Client of the CAIF Stack must register functions for reference counting. * These functions are called by the CAIF Stack for every upstream packet, * and must therefore be implemented efficiently. * * Client should call caif_free_client when reference count degrease to zero. */ void caif_client_register_refcnt(struct cflayer *adapt_layer, void (*hold)(struct cflayer *lyr), void (*put)(struct cflayer *lyr)); /** * caif_free_client - Free memory used to manage the client in the CAIF Stack. * * @client_layer: Client layer to be removed. * * This function must be called from client layer in order to free memory. * Caller must guarantee that no packets are in flight upstream when calling * this function. */ void caif_free_client(struct cflayer *adap_layer); /** * struct caif_enroll_dev - Enroll a net-device as a CAIF Link layer * @dev: Network device to enroll. * @caifdev: Configuration information from CAIF Link Layer * @link_support: Link layer support layer * @head_room: Head room needed by link support layer * @layer: Lowest layer in CAIF stack * @rcv_fun: Receive function for CAIF stack. * * This function enroll a CAIF link layer into CAIF Stack and * expects the interface to be able to handle CAIF payload. * The link_support layer is used to add any Link Layer specific * framing. */ void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev, struct cflayer *link_support, int head_room, struct cflayer **layer, int (**rcv_func)( struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *)); #endif /* CAIF_DEV_H_ */ ype='submit' value='reload'/>
authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-26 14:09:28 -0200
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-12-26 14:09:28 -0200
commit0e0694ff1a7791274946b7f51bae692da0001a08 (patch)
tree53d28f58d793c151aa870f17d38ddec6ac01ec7a /net/ieee802154/netlink.c
parent65390ea01ce678379da32b01f39fcfac4903f256 (diff)
parentc739c0a7c3c2472d7562b8f802cdce44d2597c8b (diff)
Merge branch 'patchwork' into v4l_for_linus
* patchwork: [media] s5k4ecgx: select CRC32 helper [media] dvb: avoid warning in dvb_net [media] v4l: tvp5150: Don't override output pinmuxing at stream on/off time [media] v4l: tvp5150: Fix comment regarding output pin muxing [media] v4l: tvp5150: Reset device at probe time, not in get/set format handlers [media] pctv452e: move buffer to heap, no mutex [media] media/cobalt: use pci_irq_allocate_vectors [media] cec: fix race between configuring and unconfiguring [media] cec: move cec_report_phys_addr into cec_config_thread_func [media] cec: replace cec_report_features by cec_fill_msg_report_features [media] cec: update log_addr[] before finishing configuration [media] cec: CEC_MSG_GIVE_FEATURES should abort for CEC version < 2 [media] cec: when canceling a message, don't overwrite old status info [media] cec: fix report_current_latency [media] smiapp: Make suspend and resume functions __maybe_unused [media] smiapp: Implement power-on and power-off sequences without runtime PM
Diffstat (limited to 'net/ieee802154/netlink.c')