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linux/include/net/llc_c_ev.h
Joe Perches bf3c710f71 llc*.h: Remove extern from function prototypes 
There are a mix of function prototypes with and without extern
in the kernel sources.  Standardize on not using extern for
function prototypes.

Function prototypes don't need to be written with extern.
extern is assumed by the compiler.  Its use is as unnecessary as
using auto to declare automatic/local variables in a block.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-21 14:01:38 -04:00

225 lines
11 KiB
C
Raw Blame History

#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);
int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_disc_req(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rst_req(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_local_busy_detected(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_local_busy_cleared(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_bad_pdu(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_disc_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_dm_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_frmr_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_i_cmd_pbit_set_x_inval_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_x_unexpd_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_x_inval_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_rej_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_sabme_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_ua_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_xxx_cmd_pbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_xxx_rsp_fbit_set_x(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_zzz_cmd_pbit_set_x_inval_nr(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_zzz_rsp_fbit_set_x_inval_nr(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_p_tmr_exp(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_ack_tmr_exp(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rej_tmr_exp(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_busy_tmr_exp(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_sendack_tmr_exp(struct sock *sk, struct sk_buff *skb);
/* NOT_USED functions and their variations */
int llc_conn_ev_rx_xxx_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_xxx_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_i_cmd_pbit_set_0_unexpd_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_i_cmd_pbit_set_1_unexpd_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_i_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_i_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_0_unexpd_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_1_unexpd_ns(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_i_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rnr_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rnr_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rnr_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rnr_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rej_cmd_pbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rej_cmd_pbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rej_rsp_fbit_set_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_rej_rsp_fbit_set_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_rx_any_frame(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_tx_buffer_full(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_init_p_f_cycle(struct sock *sk, struct sk_buff *skb);
/* Available connection action qualifiers */
int llc_conn_ev_qlfy_data_flag_eq_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_data_flag_eq_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_data_flag_eq_2(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_p_flag_eq_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_last_frame_eq_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_last_frame_eq_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_p_flag_eq_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_p_flag_eq_f(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_remote_busy_eq_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_remote_busy_eq_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_retry_cnt_lt_n2(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_retry_cnt_gte_n2(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_s_flag_eq_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_s_flag_eq_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_cause_flag_eq_1(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_cause_flag_eq_0(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_set_status_conn(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_set_status_disc(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_set_status_failed(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_set_status_remote_busy(struct sock *sk,
struct sk_buff *skb);
int llc_conn_ev_qlfy_set_status_refuse(struct sock *sk, struct sk_buff *skb);
int llc_conn_ev_qlfy_set_status_conflict(struct sock *sk, struct sk_buff *skb);
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 int)sk->sk_rcvbuf;
}
#endif /* LLC_C_EV_H */
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