mirror of
https://git.proxmox.com/git/mirror_frr
synced 2025-11-03 23:47:16 +00:00
acddc0ed3c
Done with a combination of regex'ing and banging my head against a wall. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/* BGP I/O.
|
|
* Implements packet I/O in a pthread.
|
|
* Copyright (C) 2017 Cumulus Networks
|
|
* Quentin Young
|
|
*/
|
|
|
|
#ifndef _FRR_BGP_IO_H
|
|
#define _FRR_BGP_IO_H
|
|
|
|
#define BGP_WRITE_PACKET_MAX 64U
|
|
#define BGP_READ_PACKET_MAX 10U
|
|
|
|
#include "bgpd/bgpd.h"
|
|
#include "frr_pthread.h"
|
|
|
|
/**
|
|
* Start function for write thread.
|
|
*
|
|
* @param arg - unused
|
|
*/
|
|
extern void *bgp_io_start(void *arg);
|
|
|
|
/**
|
|
* Start function for write thread.
|
|
*
|
|
* Uninitializes all resources and stops the thread.
|
|
*
|
|
* @param result - where to store data result, unused
|
|
*/
|
|
extern int bgp_io_stop(void **result, struct frr_pthread *fpt);
|
|
|
|
/**
|
|
* Turns on packet writing for a peer.
|
|
*
|
|
* After this function is called, any packets placed on peer->obuf will be
|
|
* written to peer->fd until no more packets remain.
|
|
*
|
|
* Additionally, it becomes unsafe to perform socket actions on peer->fd.
|
|
*
|
|
* @param peer - peer to register
|
|
*/
|
|
extern void bgp_writes_on(struct peer *peer);
|
|
|
|
/**
|
|
* Turns off packet writing for a peer.
|
|
*
|
|
* After this function returns, packets placed on peer->obuf will not be
|
|
* written to peer->fd by the I/O thread.
|
|
*
|
|
* After this function returns it becomes safe to perform socket actions on
|
|
* peer->fd.
|
|
*
|
|
* @param peer - peer to deregister
|
|
* @param flush - as described
|
|
*/
|
|
extern void bgp_writes_off(struct peer *peer);
|
|
|
|
/**
|
|
* Turns on packet reading for a peer.
|
|
*
|
|
* After this function is called, any packets received on peer->fd will be read
|
|
* and copied into the FIFO queue peer->ibuf.
|
|
*
|
|
* Additionally, it becomes unsafe to perform socket actions on peer->fd.
|
|
*
|
|
* Whenever one or more packets are placed onto peer->ibuf, a task of type
|
|
* THREAD_EVENT will be placed on the main thread whose handler is
|
|
*
|
|
* bgp_packet.c:bgp_process_packet()
|
|
*
|
|
* @param peer - peer to register
|
|
*/
|
|
extern void bgp_reads_on(struct peer *peer);
|
|
|
|
/**
|
|
* Turns off packet reading for a peer.
|
|
*
|
|
* After this function is called, any packets received on peer->fd will not be
|
|
* read by the I/O thread.
|
|
*
|
|
* After this function returns it becomes safe to perform socket actions on
|
|
* peer->fd.
|
|
*
|
|
* @param peer - peer to deregister
|
|
*/
|
|
extern void bgp_reads_off(struct peer *peer);
|
|
|
|
#endif /* _FRR_BGP_IO_H */
|