linux/net/caif/cfdbgl.c
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   1/*
   2 * Copyright (C) ST-Ericsson AB 2010
   3 * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
   4 * License terms: GNU General Public License (GPL) version 2
   5 */
   6
   7#include <linux/stddef.h>
   8#include <linux/slab.h>
   9#include <net/caif/caif_layer.h>
  10#include <net/caif/cfsrvl.h>
  11#include <net/caif/cfpkt.h>
  12
  13static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt);
  14static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt);
  15
  16struct cflayer *cfdbgl_create(u8 channel_id, struct dev_info *dev_info)
  17{
  18        struct cfsrvl *dbg = kmalloc(sizeof(struct cfsrvl), GFP_ATOMIC);
  19        if (!dbg) {
  20                pr_warning("CAIF: %s(): Out of memory\n", __func__);
  21                return NULL;
  22        }
  23        caif_assert(offsetof(struct cfsrvl, layer) == 0);
  24        memset(dbg, 0, sizeof(struct cfsrvl));
  25        cfsrvl_init(dbg, channel_id, dev_info);
  26        dbg->layer.receive = cfdbgl_receive;
  27        dbg->layer.transmit = cfdbgl_transmit;
  28        snprintf(dbg->layer.name, CAIF_LAYER_NAME_SZ - 1, "dbg%d", channel_id);
  29        return &dbg->layer;
  30}
  31
  32static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt)
  33{
  34        return layr->up->receive(layr->up, pkt);
  35}
  36
  37static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt)
  38{
  39        return layr->dn->transmit(layr->dn, pkt);
  40}
  41