+static void
+setdbcnt(struct aoedev *d)
+{
+ struct aoetgt **t, **e;
+ int bcnt = 0;
+
+ t = d->targets;
+ e = t + NTARGETS;
+ for (; t < e && *t; t++)
+ if (bcnt == 0 || bcnt > (*t)->minbcnt)
+ bcnt = (*t)->minbcnt;
+ if (bcnt != d->maxbcnt) {
+ d->maxbcnt = bcnt;
+ pr_info("aoe: e%ld.%d: setting %d byte data frames\n",
+ d->aoemajor, d->aoeminor, bcnt);
+ }
+}
+
+static void
+setifbcnt(struct aoetgt *t, struct net_device *nd, int bcnt)
+{
+ struct aoedev *d;
+ struct aoeif *p, *e;
+ int minbcnt;
+
+ d = t->d;
+ minbcnt = bcnt;
+ p = t->ifs;
+ e = p + NAOEIFS;
+ for (; p < e; p++) {
+ if (p->nd == NULL)
+ break; /* end of the valid interfaces */
+ if (p->nd == nd) {
+ p->bcnt = bcnt; /* we're updating */
+ nd = NULL;
+ } else if (minbcnt > p->bcnt)
+ minbcnt = p->bcnt; /* find the min interface */
+ }
+ if (nd) {
+ if (p == e) {
+ pr_err("aoe: device setifbcnt failure; too many interfaces.\n");
+ return;
+ }
+ p->nd = nd;
+ p->bcnt = bcnt;
+ }
+ t->minbcnt = minbcnt;
+ setdbcnt(d);
+}
+