pow_off 1202 net/packet/af_packet.c static bool __tpacket_has_room(const struct packet_sock *po, int pow_off) pow_off 1208 net/packet/af_packet.c if (pow_off) pow_off 1209 net/packet/af_packet.c idx += len >> pow_off; pow_off 1215 net/packet/af_packet.c static bool __tpacket_v3_has_room(const struct packet_sock *po, int pow_off) pow_off 1221 net/packet/af_packet.c if (pow_off) pow_off 1222 net/packet/af_packet.c idx += len >> pow_off;