NIFBITS            50 include/linux/mroute6.h 	if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
NIFBITS            53 include/linux/mroute6.h #define IF_SET(n, p)    ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
NIFBITS            54 include/linux/mroute6.h #define IF_CLR(n, p)    ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
NIFBITS            55 include/linux/mroute6.h #define IF_ISSET(n, p)  ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))