UDAV_RX_HDRLEN 1162 dev/usb/if_udav.c memcpy(mtod(m, char *), c->udav_buf + UDAV_RX_HDRLEN, total_len); UDAV_RX_HDRLEN 207 dev/usb/if_udavreg.h #define UDAV_BUFSZ UDAV_MAX_MTU + UDAV_RX_HDRLEN