/*
* the devxxx.c that calls us handles writing data, it knows best
*/
long
netifwrite(Netif *nif, Chan *c, void *a, long n)
{
Netfile *f;
int type;
char *p, buf[64];
uchar binaddr[Nmaxaddr];
if(NETTYPE(c->qid.path) != Nctlqid)
error(Eperm);
if(n >= sizeof(buf))
n = sizeof(buf)-1;
memmove(buf, a, n);
buf[n] = 0;
if(waserror()){
qunlock(nif);
nexterror();
}
qlock(nif);
f = nif->f[NETID(c->qid.path)];
if((p = matchtoken(buf, "connect")) != 0){
type = atoi(p);
if(typeinuse(nif, type))
error(Einuse);
f->type = type;
if(f->type < 0)
nif->all++;
} else if(matchtoken(buf, "promiscuous")){
if(f->prom == 0){
if(nif->prom == 0 && nif->promiscuous != nil)
nif->promiscuous(nif->arg, 1);
f->prom = 1;
nif->prom++;
}
} else if((p = matchtoken(buf, "scanbs")) != 0){
/* scan for base stations */
if(f->scan == 0){
type = atoi(p);
if(type < 5)
type = 5;
if(nif->scanbs != nil)
nif->scanbs(nif->arg, type);
f->scan = type;
nif->scan++;
}
} else if(matchtoken(buf, "bridge")){
f->bridge = 1;
} else if(matchtoken(buf, "headersonly")){
f->headersonly = 1;
} else if((p = matchtoken(buf, "addmulti")) != 0){
if(parseaddr(binaddr, p, nif->alen) < 0)
error("bad address");
p = netmulti(nif, f, binaddr, 1);
if(p)
error(p);
} else if((p = matchtoken(buf, "remmulti")) != 0){
if(parseaddr(binaddr, p, nif->alen) < 0)
error("bad address");
p = netmulti(nif, f, binaddr, 0);
if(p)
error(p);
} else
n = -1;
qunlock(nif);
poperror();
return n;
}
/*
* the devxxx.c that calls us handles writing data, it knows best
*/
int32_t
netifwrite(Netif *nif, Chan *c, void *a, int32_t n)
{
Proc *up = externup();
Netfile *f;
int type, mtu;
char *p, buf[64];
uint8_t binaddr[Nmaxaddr];
if(NETTYPE(c->qid.path) != Nctlqid)
error(Eperm);
if(n >= sizeof(buf))
n = sizeof(buf)-1;
memmove(buf, a, n);
buf[n] = 0;
if(waserror()){
qunlock(&nif->q);
nexterror();
}
qlock(&nif->q);
f = nif->f[NETID(c->qid.path)];
if((p = matchtoken(buf, "connect")) != 0){
qclose(f->iq);
type = atoi(p);
if(typeinuse(nif, type))
error(Einuse);
f->type = type;
if(f->type < 0)
nif->all++;
qreopen(f->iq);
} else if(matchtoken(buf, "promiscuous")){
if(f->prom == 0){
if(nif->prom == 0 && nif->promiscuous != nil)
nif->promiscuous(nif->arg, 1);
f->prom = 1;
nif->prom++;
}
} else if((p = matchtoken(buf, "scanbs")) != 0){
/* scan for base stations */
if(f->scan == 0){
type = atoi(p);
if(type < 5)
type = 5;
if(nif->scanbs != nil)
nif->scanbs(nif->arg, type);
f->scan = type;
nif->_scan++;
}
} else if((p = matchtoken(buf, "mtu")) != 0){
/* poor planning. */
if(!iseve())
error(Eperm);
mtu = atoi(p);
/* zero resets default. */
if(mtu != 0)
if(mtu < nif->minmtu || mtu > nif->maxmtu)
error(Ebadarg);
if(nif->hwmtu)
nif->mtu = nif->hwmtu(nif->arg, mtu);
else
nif->mtu = mtu;
} else if(matchtoken(buf, "l2bridge")){
f->bridge |= 2;
} else if(matchtoken(buf, "bridge")){
f->bridge |= 1;
} else if(matchtoken(buf, "headersonly")){
f->headersonly = 1;
} else if((p = matchtoken(buf, "addmulti")) != 0){
if(parseaddr(binaddr, p, nif->alen) < 0)
error("bad address");
p = netmulti(nif, f, binaddr, 1);
if(p)
error(p);
} else if((p = matchtoken(buf, "remmulti")) != 0){
if(parseaddr(binaddr, p, nif->alen) < 0)
error("bad address");
p = netmulti(nif, f, binaddr, 0);
if(p)
error(p);
} else
n = -1;
qunlock(&nif->q);
poperror();
return n;
}
/*
* the devxxx.c that calls us handles writing data, it knows best
*/
long netifwrite(struct ether *nif, struct chan *c, void *a, long n)
{
ERRSTACK(1);
struct netfile *f;
int type;
char *p, buf[64];
uint8_t binaddr[Nmaxaddr];
if (NETTYPE(c->qid.path) != Nctlqid)
error(EPERM, NULL);
if (n >= sizeof(buf))
n = sizeof(buf) - 1;
memmove(buf, a, n);
buf[n] = 0;
qlock(&nif->qlock);
if (waserror()) {
qunlock(&nif->qlock);
nexterror();
}
f = nif->f[NETID(c->qid.path)];
if ((p = matchtoken(buf, "connect")) != 0) {
type = strtol(p, 0, 0); /* allows any base, though usually hex */
if (typeinuse(nif, type))
error(EBUSY, NULL);
f->type = type;
if (f->type < 0)
nif->all++;
} else if (matchtoken(buf, "promiscuous")) {
if (f->prom == 0) {
if (nif->prom == 0 && nif->promiscuous != NULL)
nif->promiscuous(nif->arg, 1);
f->prom = 1;
nif->prom++;
}
} else if ((p = matchtoken(buf, "scanbs")) != 0) {
/* scan for base stations */
if (f->scan == 0) {
type = strtol(p, 0, 0); /* allows any base, though usually hex */
if (type < 5)
type = 5;
if (nif->scanbs != NULL)
nif->scanbs(nif->arg, type);
f->scan = type;
nif->scan++;
}
} else if (matchtoken(buf, "bridge")) {
f->bridge = 1;
} else if (matchtoken(buf, "headersonly")) {
f->headersonly = 1;
} else if ((p = matchtoken(buf, "addmulti")) != 0) {
if (parseaddr(binaddr, p, nif->alen) < 0)
error(EFAIL, "bad address");
p = netmulti(nif, f, binaddr, 1);
if (p)
error(EFAIL, p);
} else if ((p = matchtoken(buf, "remmulti")) != 0) {
if (parseaddr(binaddr, p, nif->alen) < 0)
error(EFAIL, "bad address");
p = netmulti(nif, f, binaddr, 0);
if (p)
error(EFAIL, p);
} else
n = -1;
qunlock(&nif->qlock);
poperror();
return n;
}
