include/net/llc_evnt.h

   1 #ifndef LLC_EVNT_H
   2 #define LLC_EVNT_H
   3 /*
   4  * Copyright (c) 1997 by Procom Technology,Inc.
   5  *               2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
   6  *
   7  * This program can be redistributed or modified under the terms of the
   8  * GNU General Public License as published by the Free Software Foundation.
   9  * This program is distributed without any warranty or implied warranty
  10  * of merchantability or fitness for a particular purpose.
  11  *
  12  * See the GNU General Public License for more details.
  13  */
  14 /* Station component state transition events */
  15 /* Types of events (possible values in 'ev->type') */
  16 #define LLC_STATION_EV_TYPE_SIMPLE      1
  17 #define LLC_STATION_EV_TYPE_CONDITION   2
  18 #define LLC_STATION_EV_TYPE_PRIM        3
  19 #define LLC_STATION_EV_TYPE_PDU         4       /* command/response PDU */
  20 #define LLC_STATION_EV_TYPE_ACK_TMR     5
  21 #define LLC_STATION_EV_TYPE_RPT_STATUS  6
  22
  23 /* Events */
  24 #define LLC_STATION_EV_ENABLE_WITH_DUP_ADDR_CHECK               1
  25 #define LLC_STATION_EV_ENABLE_WITHOUT_DUP_ADDR_CHECK            2
  26 #define LLC_STATION_EV_ACK_TMR_EXP_LT_RETRY_CNT_MAX_RETRY       3
  27 #define LLC_STATION_EV_ACK_TMR_EXP_EQ_RETRY_CNT_MAX_RETRY       4
  28 #define LLC_STATION_EV_RX_NULL_DSAP_XID_C                       5
  29 #define LLC_STATION_EV_RX_NULL_DSAP_0_XID_R_XID_R_CNT_EQ        6
  30 #define LLC_STATION_EV_RX_NULL_DSAP_1_XID_R_XID_R_CNT_EQ        7
  31 #define LLC_STATION_EV_RX_NULL_DSAP_TEST_C                      8
  32 #define LLC_STATION_EV_DISABLE_REQ                              9
  33
  34 struct llc_station_state_ev {
  35         u8               type;
  36         u8               prim;
  37         u8               prim_type;
  38         u8               reason;
  39         struct list_head node; /* node in station->ev_q.list */
  40 };
  41
  42 static __inline__ struct llc_station_state_ev *
  43                                         llc_station_ev(struct sk_buff *skb)
  44 {
  45         return (struct llc_station_state_ev *)skb->cb;
  46 }
  47
  48 typedef int (*llc_station_ev_t)(struct llc_station *station,
  49                                 struct sk_buff *skb);
  50
  51 extern int llc_stat_ev_enable_with_dup_addr_check(struct llc_station *station,
  52                                                   struct sk_buff *skb);
  53 extern int llc_stat_ev_enable_without_dup_addr_check(struct llc_station *station,
  54                                                      struct sk_buff *skb);
  55 extern int llc_stat_ev_ack_tmr_exp_lt_retry_cnt_max_retry(struct llc_station *
  56                                                                         station,
  57                                                           struct sk_buff *skb);
  58 extern int llc_stat_ev_ack_tmr_exp_eq_retry_cnt_max_retry(struct llc_station *station,
  59                                                           struct sk_buff *skb);
  60 extern int llc_stat_ev_rx_null_dsap_xid_c(struct llc_station *station,
  61                                           struct sk_buff *skb);
  62 extern int llc_stat_ev_rx_null_dsap_0_xid_r_xid_r_cnt_eq(struct llc_station *station,
  63                                                          struct sk_buff *skb);
  64 extern int llc_stat_ev_rx_null_dsap_1_xid_r_xid_r_cnt_eq(struct llc_station *station,
  65                                                          struct sk_buff *skb);
  66 extern int llc_stat_ev_rx_null_dsap_test_c(struct llc_station *station,
  67                                            struct sk_buff *skb);
  68 extern int llc_stat_ev_disable_req(struct llc_station *station,
  69                                    struct sk_buff *skb);
  70 #endif /* LLC_EVNT_H */