sys/net/if.c

201 VNET_DEFINE(int, if_index);
216  * if_index, if_indexlim, and ifindex_table) are protected by an sxlock and
300 	/* Catch if_index overflow. */
455 	ifp->if_index = idx;
486 	ifnet_setbyindex(ifp->if_index, ifp);
532 	KASSERT(ifp == ifnet_byindex_locked(ifp->if_index),
535 	ifindex_free_locked(ifp->if_index);
675 	if (ifp->if_index == 0 || ifp != ifnet_byindex(ifp->if_index))
732 		sdl->sdl_index = ifp->if_index;
783 				sdl->sdl_index = ifp->if_index;
1059 		 * Remove link ifaddr pointer and maybe decrement if_index.
1104  * An attempt is made to shrink if_index in current vnet, find an
1105  * unused if_index in target vnet and calls if_grow() if necessary,
1133 	 * the if_index for that vnet if possible.
1139 	ifindex_free_locked(ifp->if_index);
1155 	ifp->if_index = ifindex_alloc();
1156 	ifnet_setbyindex_locked(ifp->if_index, ifp);
2099 	sdl->sdl_index = ifp->if_index;
2315 		ifr->ifr_index = ifp->if_index;