WSL2-Linux-Kernel/net/caif/caif_config_util.c

100 строки
2.5 KiB
C

/*
* Copyright (C) ST-Ericsson AB 2010
* Author: Sjur Brendeland sjur.brandeland@stericsson.com
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/module.h>
#include <linux/spinlock.h>
#include <net/caif/cfctrl.h>
#include <net/caif/cfcnfg.h>
#include <net/caif/caif_dev.h>
int connect_req_to_link_param(struct cfcnfg *cnfg,
struct caif_connect_request *s,
struct cfctrl_link_param *l)
{
struct dev_info *dev_info;
enum cfcnfg_phy_preference pref;
int res;
memset(l, 0, sizeof(*l));
/* In caif protocol low value is high priority */
l->priority = CAIF_PRIO_MAX - s->priority + 1;
if (s->ifindex != 0){
res = cfcnfg_get_id_from_ifi(cnfg, s->ifindex);
if (res < 0)
return res;
l->phyid = res;
}
else {
switch (s->link_selector) {
case CAIF_LINK_HIGH_BANDW:
pref = CFPHYPREF_HIGH_BW;
break;
case CAIF_LINK_LOW_LATENCY:
pref = CFPHYPREF_LOW_LAT;
break;
default:
return -EINVAL;
}
dev_info = cfcnfg_get_phyid(cnfg, pref);
if (dev_info == NULL)
return -ENODEV;
l->phyid = dev_info->id;
}
switch (s->protocol) {
case CAIFPROTO_AT:
l->linktype = CFCTRL_SRV_VEI;
if (s->sockaddr.u.at.type == CAIF_ATTYPE_PLAIN)
l->chtype = 0x02;
else
l->chtype = s->sockaddr.u.at.type;
l->endpoint = 0x00;
break;
case CAIFPROTO_DATAGRAM:
l->linktype = CFCTRL_SRV_DATAGRAM;
l->chtype = 0x00;
l->u.datagram.connid = s->sockaddr.u.dgm.connection_id;
break;
case CAIFPROTO_DATAGRAM_LOOP:
l->linktype = CFCTRL_SRV_DATAGRAM;
l->chtype = 0x03;
l->endpoint = 0x00;
l->u.datagram.connid = s->sockaddr.u.dgm.connection_id;
break;
case CAIFPROTO_RFM:
l->linktype = CFCTRL_SRV_RFM;
l->u.datagram.connid = s->sockaddr.u.rfm.connection_id;
strncpy(l->u.rfm.volume, s->sockaddr.u.rfm.volume,
sizeof(l->u.rfm.volume)-1);
l->u.rfm.volume[sizeof(l->u.rfm.volume)-1] = 0;
break;
case CAIFPROTO_UTIL:
l->linktype = CFCTRL_SRV_UTIL;
l->endpoint = 0x00;
l->chtype = 0x00;
strncpy(l->u.utility.name, s->sockaddr.u.util.service,
sizeof(l->u.utility.name)-1);
l->u.utility.name[sizeof(l->u.utility.name)-1] = 0;
caif_assert(sizeof(l->u.utility.name) > 10);
l->u.utility.paramlen = s->param.size;
if (l->u.utility.paramlen > sizeof(l->u.utility.params))
l->u.utility.paramlen = sizeof(l->u.utility.params);
memcpy(l->u.utility.params, s->param.data,
l->u.utility.paramlen);
break;
case CAIFPROTO_DEBUG:
l->linktype = CFCTRL_SRV_DBG;
l->endpoint = s->sockaddr.u.dbg.service;
l->chtype = s->sockaddr.u.dbg.type;
break;
default:
return -EINVAL;
}
return 0;
}