net/sctp/command.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4  * Copyright (C) 1999-2001 Cisco, Motorola
12  *    lksctp developers <linux-sctp@vger.kernel.org>
34 	SCTP_CMD_GEN_SACK,	/* Send a Selective ACK (maybe).  */
36 	SCTP_CMD_GEN_INIT_ACK,	/* Generate an INIT ACK chunk.  */
55 	SCTP_CMD_COOKIEECHO_RESTART,  /* High level, do cookie-echo timer work. */
68 	SCTP_CMD_PROCESS_CTSN,   /* Sideeffect from shutdown. */
71 	SCTP_CMD_GEN_SHUTDOWN,   /* Generate a SHUTDOWN chunk. */
73 	SCTP_CMD_SETUP_T2,       /* Hi-level, setup T2-shutdown parms.  */
79 	SCTP_CMD_REPORT_FWDTSN,	 /* Report new cumulative TSN Ack. */
82 	SCTP_CMD_DEL_NON_PRIMARY, /* Removes non-primary peer transports. */
83 	SCTP_CMD_T3_RTX_TIMERS_STOP, /* Stops T3-rtx pending timers */
202 	seq->last_used_slot = seq->cmds + SCTP_MAX_NUM_COMMANDS;  in sctp_init_cmd_seq()
203 	seq->next_cmd = seq->last_used_slot;  in sctp_init_cmd_seq()
216 	struct sctp_cmd *cmd = seq->last_used_slot - 1;  in sctp_add_cmd_sf()
218 	BUG_ON(cmd < seq->cmds);  in sctp_add_cmd_sf()
220 	cmd->verb = verb;  in sctp_add_cmd_sf()
221 	cmd->obj = obj;  in sctp_add_cmd_sf()
222 	seq->last_used_slot = cmd;  in sctp_add_cmd_sf()
230 	if (seq->next_cmd <= seq->last_used_slot)  in sctp_next_cmd()
233 	return --seq->next_cmd;  in sctp_next_cmd()