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linux-2.2.26 / net / irda

wrapper.c File Reference

#include <linux/skbuff.h>
#include <linux/string.h>
#include <asm/byteorder.h>
#include <net/irda/irda.h>
#include <net/irda/wrapper.h>
#include <net/irda/irtty.h>
#include <net/irda/crc.h>
#include <net/irda/irlap.h>
#include <net/irda/irlap_frame.h>
#include <net/irda/irda_device.h>

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Functions

static int stuff_byte (__u8 byte, __u8 *buf)
static void state_outside_frame (struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte)
static void state_begin_frame (struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte)
static void state_link_escape (struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte)
static void state_inside_frame (struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte)
int async_wrap_skb (struct sk_buff *skb, __u8 *tx_buff, int buffsize)
void async_bump (struct device *dev, struct net_device_stats *stats, __u8 *buf, int len)
void async_unwrap_char (struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte)

Variables

static void(* state [])(struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte)

Function Documentation

void async_bump (  struct device *  dev,
struct net_device_stats *  stats,
__u8 *  buf,
int  len
)  [inline]
 

Definition at line 172 of file wrapper.c.

References ETH_P_IRDA, htons(), memcpy, netif_rx(), net_device_stats::rx_bytes, net_device_stats::rx_dropped, and net_device_stats::rx_packets.

Referenced by state_inside_frame().

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void async_unwrap_char (  struct device *  dev,
struct net_device_stats *  stats,
iobuff_t *  rx_buff,
__u8  byte
)  [inline]
 

Definition at line 206 of file wrapper.c.

References iobuff_t::state, and state.

Referenced by irport_receive(), irtty_receive_buf(), nsc_ircc_pio_receive(), and w83977af_pio_receive().

int async_wrap_skb (  struct sk_buff *  skb,
__u8 *  tx_buff,
int  buffsize
) 
 

Definition at line 70 of file wrapper.c.

References ASSERT, BOF, bytes, sk_buff::cb, sk_buff::data, EOF, i, INIT_FCS, IRDA_DEBUG, irda_fcs(), LAP_MAGIC, len, memset, n, stuff_byte(), value, and XBOF.

Referenced by irport_hard_xmit(), irtty_hard_xmit(), nsc_ircc_hard_xmit_sir(), toshoboe_hard_xmit(), and w83977af_hard_xmit().

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static void state_begin_frame (  struct device *  dev,
struct net_device_stats *  stats,
iobuff_t *  rx_buff,
__u8  byte
)  [static]
 

Definition at line 246 of file wrapper.c.

References BOF, CE, iobuff_t::data, EOF, iobuff_t::fcs, iobuff_t::head, INIT_FCS, INSIDE_FRAME, IRDA_DEBUG, irda_fcs(), iobuff_t::len, LINK_ESCAPE, OUTSIDE_FRAME, net_device_stats::rx_errors, net_device_stats::rx_frame_errors, and iobuff_t::state.

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static void state_inside_frame (  struct device *  dev,
struct net_device_stats *  stats,
iobuff_t *  rx_buff,
__u8  byte
)  [static]
 

Definition at line 323 of file wrapper.c.

References async_bump(), BEGIN_FRAME, BOF, CE, iobuff_t::data, EOF, FALSE, iobuff_t::fcs, GOOD_FCS, iobuff_t::in_frame, IRDA_DEBUG, irda_device_set_media_busy(), irda_fcs(), iobuff_t::len, LINK_ESCAPE, OUTSIDE_FRAME, ret, net_device_stats::rx_crc_errors, net_device_stats::rx_errors, iobuff_t::state, TRUE, and iobuff_t::truesize.

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static void state_link_escape (  struct device *  dev,
struct net_device_stats *  stats,
iobuff_t *  rx_buff,
__u8  byte
)  [static]
 

Definition at line 284 of file wrapper.c.

References BEGIN_FRAME, BOF, CE, iobuff_t::data, EOF, iobuff_t::fcs, INSIDE_FRAME, IRDA_DEBUG, irda_device_set_media_busy(), irda_fcs(), IRDA_TRANS, iobuff_t::len, OUTSIDE_FRAME, iobuff_t::state, TRUE, iobuff_t::truesize, and WARNING.

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static void state_outside_frame (  struct device *  dev,
struct net_device_stats *  stats,
iobuff_t *  rx_buff,
__u8  byte
)  [static]
 

Definition at line 219 of file wrapper.c.

References BEGIN_FRAME, BOF, EOF, iobuff_t::in_frame, irda_device_set_media_busy(), iobuff_t::state, TRUE, and XBOF.

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static int stuff_byte (  __u8  byte,
__u8 *  buf
)  [inline, static]
 

Definition at line 147 of file wrapper.c.

References BOF, CE, EOF, and IRDA_TRANS.

Referenced by async_wrap_skb().

Variable Documentation

void(* state[])(struct device *dev, struct net_device_stats *stats, iobuff_t *rx_buff, __u8 byte) [static]
 

Initial value:

 
{ 
        state_outside_frame,
        state_begin_frame,
        state_link_escape,
        state_inside_frame,
}

Definition at line 55 of file wrapper.c.