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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 | ||
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, false); | |
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 | } |