prev_pf 224 net/llc/llc_pdu.c u8 prev_pf = 0; prev_pf 237 net/llc/llc_pdu.c prev_pf = llc_pdu_get_pf_bit(prev_pdu); prev_pf 238 net/llc/llc_pdu.c FRMR_INFO_SET_C_R_BIT(frmr_info, prev_pf);