/* * 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_ */ ed
authorDavid S. Miller <davem@davemloft.net>2017-01-30 15:26:44 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-30 15:26:44 -0500
commit4be9993493bc7ee3fdf950a83bc050a3e6cf2a45 (patch)
treec619c15ad9a1231a1b9c2dbfeb997bd3d47dce18 /include/uapi/drm/tegra_drm.h
parent30357d7d8aaf2a980ab17c2ce054b2b87e60af88 (diff)
parent1f8176f7352abfe1a424ac7eb845b4c2e7c31e5f (diff)
Merge branch 'mlx4-misc-improvements'
Tariq Toukan says: ==================== mlx4 misc improvements This patchset contains several improvements and cleanups from the team to the mlx4 Eth and core drivers. Series generated against net-next commit: 4e8f2fc1a55d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Thanks, Tariq. v3: * Patch 6/9: forgot to actually update the commit message in v2, now it is. v2: * Patch 1/9: used EOPNOTSUPP and not ENOTSUPP. * Patch 3/9: dropped, to be submitted separately in the future. * Patch 6/9: updated commit message. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/drm/tegra_drm.h')