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 13 static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt); 14 static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt); 15 16 struct 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 32 static int cfdbgl_receive(struct cflayer *layr, struct cfpkt *pkt) 33 { 34 return layr->up->receive(layr->up, pkt); 35 } 36 37 static int cfdbgl_transmit(struct cflayer *layr, struct cfpkt *pkt) 38 { 39 return layr->dn->transmit(layr->dn, pkt); 40 } 41