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-rw-r--r--include/net/llc_c_ev.h269
1 files changed, 269 insertions, 0 deletions
diff --git a/include/net/llc_c_ev.h b/include/net/llc_c_ev.h
new file mode 100644
index 0000000..23a4093
--- /dev/null
+++ b/include/net/llc_c_ev.h
@@ -0,0 +1,269 @@
+#ifndef LLC_C_EV_H
+#define LLC_C_EV_H
+/*
+ * Copyright (c) 1997 by Procom Technology,Inc.
+ * 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+ *
+ * This program can be redistributed or modified under the terms of the
+ * GNU General Public License as published by the Free Software Foundation.
+ * This program is distributed without any warranty or implied warranty
+ * of merchantability or fitness for a particular purpose.
+ *
+ * See the GNU General Public License for more details.
+ */
+
+#include <net/sock.h>
+
+/* Connection component state transition event qualifiers */
+/* Types of events (possible values in 'ev->type') */
+#define LLC_CONN_EV_TYPE_SIMPLE 1
+#define LLC_CONN_EV_TYPE_CONDITION 2
+#define LLC_CONN_EV_TYPE_PRIM 3
+#define LLC_CONN_EV_TYPE_PDU 4 /* command/response PDU */
+#define LLC_CONN_EV_TYPE_ACK_TMR 5
+#define LLC_CONN_EV_TYPE_P_TMR 6
+#define LLC_CONN_EV_TYPE_REJ_TMR 7
+#define LLC_CONN_EV_TYPE_BUSY_TMR 8
+#define LLC_CONN_EV_TYPE_RPT_STATUS 9
+#define LLC_CONN_EV_TYPE_SENDACK_TMR 10
+
+#define NBR_CONN_EV 5
+/* Connection events which cause state transitions when fully qualified */
+
+#define LLC_CONN_EV_CONN_REQ 1
+#define LLC_CONN_EV_CONN_RESP 2
+#define LLC_CONN_EV_DATA_REQ 3
+#define LLC_CONN_EV_DISC_REQ 4
+#define LLC_CONN_EV_RESET_REQ 5
+#define LLC_CONN_EV_RESET_RESP 6
+#define LLC_CONN_EV_LOCAL_BUSY_DETECTED 7
+#define LLC_CONN_EV_LOCAL_BUSY_CLEARED 8
+#define LLC_CONN_EV_RX_BAD_PDU 9
+#define LLC_CONN_EV_RX_DISC_CMD_Pbit_SET_X 10
+#define LLC_CONN_EV_RX_DM_RSP_Fbit_SET_X 11
+#define LLC_CONN_EV_RX_FRMR_RSP_Fbit_SET_X 12
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_X 13
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_X_UNEXPD_Ns 14
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_X_INVAL_Ns 15
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_X 16
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_X_UNEXPD_Ns 17
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_X_INVAL_Ns 18
+#define LLC_CONN_EV_RX_REJ_CMD_Pbit_SET_X 19
+#define LLC_CONN_EV_RX_REJ_RSP_Fbit_SET_X 20
+#define LLC_CONN_EV_RX_RNR_CMD_Pbit_SET_X 21
+#define LLC_CONN_EV_RX_RNR_RSP_Fbit_SET_X 22
+#define LLC_CONN_EV_RX_RR_CMD_Pbit_SET_X 23
+#define LLC_CONN_EV_RX_RR_RSP_Fbit_SET_X 24
+#define LLC_CONN_EV_RX_SABME_CMD_Pbit_SET_X 25
+#define LLC_CONN_EV_RX_UA_RSP_Fbit_SET_X 26
+#define LLC_CONN_EV_RX_XXX_CMD_Pbit_SET_X 27
+#define LLC_CONN_EV_RX_XXX_RSP_Fbit_SET_X 28
+#define LLC_CONN_EV_RX_XXX_YYY 29
+#define LLC_CONN_EV_RX_ZZZ_CMD_Pbit_SET_X_INVAL_Nr 30
+#define LLC_CONN_EV_RX_ZZZ_RSP_Fbit_SET_X_INVAL_Nr 31
+#define LLC_CONN_EV_P_TMR_EXP 32
+#define LLC_CONN_EV_ACK_TMR_EXP 33
+#define LLC_CONN_EV_REJ_TMR_EXP 34
+#define LLC_CONN_EV_BUSY_TMR_EXP 35
+#define LLC_CONN_EV_RX_XXX_CMD_Pbit_SET_1 36
+#define LLC_CONN_EV_RX_XXX_CMD_Pbit_SET_0 37
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_0_UNEXPD_Ns 38
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_0_UNEXPD_Ns 39
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_1_UNEXPD_Ns 40
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_1_UNEXPD_Ns 41
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_0 42
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_0 43
+#define LLC_CONN_EV_RX_I_CMD_Pbit_SET_1 44
+#define LLC_CONN_EV_RX_RR_CMD_Pbit_SET_0 45
+#define LLC_CONN_EV_RX_RR_RSP_Fbit_SET_0 46
+#define LLC_CONN_EV_RX_RR_RSP_Fbit_SET_1 47
+#define LLC_CONN_EV_RX_RR_CMD_Pbit_SET_1 48
+#define LLC_CONN_EV_RX_RNR_CMD_Pbit_SET_0 49
+#define LLC_CONN_EV_RX_RNR_RSP_Fbit_SET_0 50
+#define LLC_CONN_EV_RX_RNR_RSP_Fbit_SET_1 51
+#define LLC_CONN_EV_RX_RNR_CMD_Pbit_SET_1 52
+#define LLC_CONN_EV_RX_REJ_CMD_Pbit_SET_0 53
+#define LLC_CONN_EV_RX_REJ_RSP_Fbit_SET_0 54
+#define LLC_CONN_EV_RX_REJ_CMD_Pbit_SET_1 55
+#define LLC_CONN_EV_RX_I_RSP_Fbit_SET_1 56
+#define LLC_CONN_EV_RX_REJ_RSP_Fbit_SET_1 57
+#define LLC_CONN_EV_RX_XXX_RSP_Fbit_SET_1 58
+#define LLC_CONN_EV_TX_BUFF_FULL 59
+
+#define LLC_CONN_EV_INIT_P_F_CYCLE 100
+/*
+ * Connection event qualifiers; for some events a certain combination of
+ * these qualifiers must be TRUE before event recognized valid for state;
+ * these constants act as indexes into the Event Qualifier function
+ * table
+ */
+#define LLC_CONN_EV_QFY_DATA_FLAG_EQ_1 1
+#define LLC_CONN_EV_QFY_DATA_FLAG_EQ_0 2
+#define LLC_CONN_EV_QFY_DATA_FLAG_EQ_2 3
+#define LLC_CONN_EV_QFY_P_FLAG_EQ_1 4
+#define LLC_CONN_EV_QFY_P_FLAG_EQ_0 5
+#define LLC_CONN_EV_QFY_P_FLAG_EQ_Fbit 6
+#define LLC_CONN_EV_QFY_REMOTE_BUSY_EQ_0 7
+#define LLC_CONN_EV_QFY_RETRY_CNT_LT_N2 8
+#define LLC_CONN_EV_QFY_RETRY_CNT_GTE_N2 9
+#define LLC_CONN_EV_QFY_S_FLAG_EQ_1 10
+#define LLC_CONN_EV_QFY_S_FLAG_EQ_0 11
+#define LLC_CONN_EV_QFY_INIT_P_F_CYCLE 12
+
+struct llc_conn_state_ev {
+ u8 type;
+ u8 prim;
+ u8 prim_type;
+ u8 reason;
+ u8 status;
+ u8 ind_prim;
+ u8 cfm_prim;
+};
+
+static __inline__ struct llc_conn_state_ev *llc_conn_ev(struct sk_buff *skb)
+{
+ return (struct llc_conn_state_ev *)skb->cb;
+}
+
+typedef int (*llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb);
+typedef int (*llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb);
+
+extern int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_rst_req(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_local_busy_detected(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_local_busy_cleared(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_rx_bad_pdu(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_rx_disc_cmd_pbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_dm_rsp_fbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_frmr_rsp_fbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_x_unexpd_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rej_rsp_fbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_sabme_cmd_pbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_ua_rsp_fbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_xxx_cmd_pbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_xxx_rsp_fbit_set_x(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_zzz_cmd_pbit_set_x_inval_nr(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_zzz_rsp_fbit_set_x_inval_nr(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_p_tmr_exp(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_ack_tmr_exp(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_rej_tmr_exp(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_busy_tmr_exp(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_sendack_tmr_exp(struct sock *sk, struct sk_buff *skb);
+/* NOT_USED functions and their variations */
+extern int llc_conn_ev_rx_xxx_cmd_pbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_xxx_rsp_fbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_cmd_pbit_set_0_unexpd_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_cmd_pbit_set_1_unexpd_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_cmd_pbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_cmd_pbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_0_unexpd_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_1_unexpd_ns(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_i_rsp_fbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rr_cmd_pbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rr_cmd_pbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rr_rsp_fbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rr_rsp_fbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rnr_cmd_pbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rnr_cmd_pbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rnr_rsp_fbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rnr_rsp_fbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rej_cmd_pbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rej_cmd_pbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rej_rsp_fbit_set_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_rej_rsp_fbit_set_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_rx_any_frame(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_tx_buffer_full(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_init_p_f_cycle(struct sock *sk, struct sk_buff *skb);
+
+/* Available connection action qualifiers */
+extern int llc_conn_ev_qlfy_data_flag_eq_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_data_flag_eq_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_data_flag_eq_2(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_p_flag_eq_1(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_last_frame_eq_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_last_frame_eq_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_p_flag_eq_0(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_p_flag_eq_f(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_remote_busy_eq_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_remote_busy_eq_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_retry_cnt_lt_n2(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_retry_cnt_gte_n2(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_s_flag_eq_1(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_s_flag_eq_0(struct sock *sk, struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_cause_flag_eq_1(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_cause_flag_eq_0(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_conn(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_disc(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_failed(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_remote_busy(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_refuse(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_conflict(struct sock *sk,
+ struct sk_buff *skb);
+extern int llc_conn_ev_qlfy_set_status_rst_done(struct sock *sk,
+ struct sk_buff *skb);
+
+static __inline__ int llc_conn_space(struct sock *sk, struct sk_buff *skb)
+{
+ return atomic_read(&sk->sk_rmem_alloc) + skb->truesize <
+ (unsigned)sk->sk_rcvbuf;
+}
+#endif /* LLC_C_EV_H */
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