diff options
Diffstat (limited to 'ANDROID_3.4.5/include/net/caif/cfpkt.h')
-rw-r--r-- | ANDROID_3.4.5/include/net/caif/cfpkt.h | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/ANDROID_3.4.5/include/net/caif/cfpkt.h b/ANDROID_3.4.5/include/net/caif/cfpkt.h deleted file mode 100644 index 6bd200a4..00000000 --- a/ANDROID_3.4.5/include/net/caif/cfpkt.h +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Copyright (C) ST-Ericsson AB 2010 - * Author: Sjur Brendeland/sjur.brandeland@stericsson.com - * License terms: GNU General Public License (GPL) version 2 - */ - -#ifndef CFPKT_H_ -#define CFPKT_H_ -#include <net/caif/caif_layer.h> -#include <linux/types.h> -struct cfpkt; - -/* Create a CAIF packet. - * len: Length of packet to be created - * @return New packet. - */ -struct cfpkt *cfpkt_create(u16 len); - -/* - * Destroy a CAIF Packet. - * pkt Packet to be destoyed. - */ -void cfpkt_destroy(struct cfpkt *pkt); - -/* - * Extract header from packet. - * - * pkt Packet to extract header data from. - * data Pointer to copy the header data into. - * len Length of head data to copy. - * @return zero on success and error code upon failure - */ -int cfpkt_extr_head(struct cfpkt *pkt, void *data, u16 len); - -/* - * Peek header from packet. - * Reads data from packet without changing packet. - * - * pkt Packet to extract header data from. - * data Pointer to copy the header data into. - * len Length of head data to copy. - * @return zero on success and error code upon failure - */ -int cfpkt_peek_head(struct cfpkt *pkt, void *data, u16 len); - -/* - * Extract header from trailer (end of packet). - * - * pkt Packet to extract header data from. - * data Pointer to copy the trailer data into. - * len Length of header data to copy. - * @return zero on success and error code upon failure - */ -int cfpkt_extr_trail(struct cfpkt *pkt, void *data, u16 len); - -/* - * Add header to packet. - * - * - * pkt Packet to add header data to. - * data Pointer to data to copy into the header. - * len Length of header data to copy. - * @return zero on success and error code upon failure - */ -int cfpkt_add_head(struct cfpkt *pkt, const void *data, u16 len); - -/* - * Add trailer to packet. - * - * - * pkt Packet to add trailer data to. - * data Pointer to data to copy into the trailer. - * len Length of trailer data to copy. - * @return zero on success and error code upon failure - */ -int cfpkt_add_trail(struct cfpkt *pkt, const void *data, u16 len); - -/* - * Pad trailer on packet. - * Moves data pointer in packet, no content copied. - * - * pkt Packet in which to pad trailer. - * len Length of padding to add. - * @return zero on success and error code upon failure - */ -int cfpkt_pad_trail(struct cfpkt *pkt, u16 len); - -/* - * Add a single byte to packet body (tail). - * - * pkt Packet in which to add byte. - * data Byte to add. - * @return zero on success and error code upon failure - */ -int cfpkt_addbdy(struct cfpkt *pkt, const u8 data); - -/* - * Add a data to packet body (tail). - * - * pkt Packet in which to add data. - * data Pointer to data to copy into the packet body. - * len Length of data to add. - * @return zero on success and error code upon failure - */ -int cfpkt_add_body(struct cfpkt *pkt, const void *data, u16 len); - -/* - * Checks whether there are more data to process in packet. - * pkt Packet to check. - * @return true if more data are available in packet false otherwise - */ -bool cfpkt_more(struct cfpkt *pkt); - -/* - * Checks whether the packet is erroneous, - * i.e. if it has been attempted to extract more data than available in packet - * or writing more data than has been allocated in cfpkt_create(). - * pkt Packet to check. - * @return true on error false otherwise - */ -bool cfpkt_erroneous(struct cfpkt *pkt); - -/* - * Get the packet length. - * pkt Packet to get length from. - * @return Number of bytes in packet. - */ -u16 cfpkt_getlen(struct cfpkt *pkt); - -/* - * Set the packet length, by adjusting the trailer pointer according to length. - * pkt Packet to set length. - * len Packet length. - * @return Number of bytes in packet. - */ -int cfpkt_setlen(struct cfpkt *pkt, u16 len); - -/* - * cfpkt_append - Appends a packet's data to another packet. - * dstpkt: Packet to append data into, WILL BE FREED BY THIS FUNCTION - * addpkt: Packet to be appended and automatically released, - * WILL BE FREED BY THIS FUNCTION. - * expectlen: Packet's expected total length. This should be considered - * as a hint. - * NB: Input packets will be destroyed after appending and cannot be used - * after calling this function. - * @return The new appended packet. - */ -struct cfpkt *cfpkt_append(struct cfpkt *dstpkt, struct cfpkt *addpkt, - u16 expectlen); - -/* - * cfpkt_split - Split a packet into two packets at the specified split point. - * pkt: Packet to be split (will contain the first part of the data on exit) - * pos: Position to split packet in two parts. - * @return The new packet, containing the second part of the data. - */ -struct cfpkt *cfpkt_split(struct cfpkt *pkt, u16 pos); - -/* - * Iteration function, iterates the packet buffers from start to end. - * - * Checksum iteration function used to iterate buffers - * (we may have packets consisting of a chain of buffers) - * pkt: Packet to calculate checksum for - * iter_func: Function pointer to iteration function - * chks: Checksum calculated so far. - * buf: Pointer to the buffer to checksum - * len: Length of buf. - * data: Initial checksum value. - * @return Checksum of buffer. - */ - -u16 cfpkt_iterate(struct cfpkt *pkt, - u16 (*iter_func)(u16 chks, void *buf, u16 len), - u16 data); - -/* Map from a "native" packet (e.g. Linux Socket Buffer) to a CAIF packet. - * dir - Direction indicating whether this packet is to be sent or received. - * nativepkt - The native packet to be transformed to a CAIF packet - * @return The mapped CAIF Packet CFPKT. - */ -struct cfpkt *cfpkt_fromnative(enum caif_direction dir, void *nativepkt); - -/* Map from a CAIF packet to a "native" packet (e.g. Linux Socket Buffer). - * pkt - The CAIF packet to be transformed into a "native" packet. - * @return The native packet transformed from a CAIF packet. - */ -void *cfpkt_tonative(struct cfpkt *pkt); - - -/* - * Returns packet information for a packet. - * pkt Packet to get info from; - * @return Packet information - */ -struct caif_payload_info *cfpkt_info(struct cfpkt *pkt); -#endif /* CFPKT_H_ */ |