^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* -*- mode: c; c-basic-offset: 8; -*-
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * vim: noexpandtab sw=8 ts=8 sts=0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2005 Oracle. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #ifndef O2CLUSTER_TCP_INTERNAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #define O2CLUSTER_TCP_INTERNAL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #define O2NET_MSG_MAGIC ((u16)0xfa55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define O2NET_MSG_STATUS_MAGIC ((u16)0xfa56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #define O2NET_MSG_KEEP_REQ_MAGIC ((u16)0xfa57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define O2NET_MSG_KEEP_RESP_MAGIC ((u16)0xfa58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* we're delaying our quorum decision so that heartbeat will have timed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * out truly dead nodes by the time we come around to making decisions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * on their number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define O2NET_QUORUM_DELAY_MS ((o2hb_dead_threshold + 2) * O2HB_REGION_TIMEOUT_MS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * This version number represents quite a lot, unfortunately. It not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * only represents the raw network message protocol on the wire but also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * locking semantics of the file system using the protocol. It should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * be somewhere else, I'm sure, but right now it isn't.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * With version 11, we separate out the filesystem locking portion. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * filesystem now has a major.minor version it negotiates. Version 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * introduces this negotiation to the o2dlm protocol, and as such the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * version here in tcp_internal.h should not need to be bumped for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * filesystem locking changes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * New in version 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * - Negotiation of filesystem locking in the dlm join.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * New in version 10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * - Meta/data locks combined
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * New in version 9:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * - All votes removed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * New in version 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * - Replace delete inode votes with a cluster lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * New in version 7:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * - DLM join domain includes the live nodemap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * New in version 6:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * - DLM lockres remote refcount fixes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * New in version 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * - Network timeout checking protocol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) * New in version 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) * - Remove i_generation from lock names for better stat performance.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * New in version 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * - Replace dentry votes with a cluster lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * New in version 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * - full 64 bit i_size in the metadata lock lvbs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * - introduction of "rw" lock and pushing meta/data locking down
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define O2NET_PROTOCOL_VERSION 11ULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct o2net_handshake {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) __be64 protocol_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) __be64 connector_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) __be32 o2hb_heartbeat_timeout_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) __be32 o2net_idle_timeout_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) __be32 o2net_keepalive_delay_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) __be32 o2net_reconnect_delay_ms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct o2net_node {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /* this is never called from int/bh */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) spinlock_t nn_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /* set the moment an sc is allocated and a connect is started */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) struct o2net_sock_container *nn_sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /* _valid is only set after the handshake passes and tx can happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) unsigned nn_sc_valid:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* if this is set tx just returns it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int nn_persistent_error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) /* It is only set to 1 after the idle time out. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) atomic_t nn_timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* threads waiting for an sc to arrive wait on the wq for generation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) * to increase. it is increased when a connecting socket succeeds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) * or fails or when an accepted socket is attached. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) wait_queue_head_t nn_sc_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct idr nn_status_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) struct list_head nn_status_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* connects are attempted from when heartbeat comes up until either hb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) * goes down, the node is unconfigured, or a connect succeeds.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) * connect_work is queued from set_nn_state both from hb up and from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) * itself if a connect attempt fails and so can be self-arming.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * shutdown is careful to first mark the nn such that no connects will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * be attempted before canceling delayed connect work and flushing the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * queue. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct delayed_work nn_connect_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) unsigned long nn_last_connect_attempt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /* this is queued as nodes come up and is canceled when a connection is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * established. this expiring gives up on the node and errors out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * transmits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct delayed_work nn_connect_expired;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* after we give up on a socket we wait a while before deciding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * that it is still heartbeating and that we should do some
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * quorum work */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct delayed_work nn_still_up;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct o2net_sock_container {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct kref sc_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) /* the next two are valid for the life time of the sc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct socket *sc_sock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) struct o2nm_node *sc_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) /* all of these sc work structs hold refs on the sc while they are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) * queued. they should not be able to ref a freed sc. the teardown
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * race is with o2net_wq destruction in o2net_stop_listening() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* rx and connect work are generated from socket callbacks. sc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) * shutdown removes the callbacks and then flushes the work queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) struct work_struct sc_rx_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct work_struct sc_connect_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /* shutdown work is triggered in two ways. the simple way is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) * for a code path calls ensure_shutdown which gets a lock, removes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) * the sc from the nn, and queues the work. in this case the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) * work is single-shot. the work is also queued from a sock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) * callback, though, and in this case the work will find the sc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * still on the nn and will call ensure_shutdown itself.. this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * ends up triggering the shutdown work again, though nothing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * will be done in that second iteration. so work queue teardown
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) * has to be careful to remove the sc from the nn before waiting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * on the work queue so that the shutdown work doesn't remove the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * sc and rearm itself.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct work_struct sc_shutdown_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) struct timer_list sc_idle_timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) struct delayed_work sc_keepalive_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) unsigned sc_handshake_ok:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct page *sc_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) size_t sc_page_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* original handlers for the sockets */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) void (*sc_state_change)(struct sock *sk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) void (*sc_data_ready)(struct sock *sk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) u32 sc_msg_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) u16 sc_msg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) struct list_head sc_net_debug_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) ktime_t sc_tv_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) ktime_t sc_tv_data_ready;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) ktime_t sc_tv_advance_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) ktime_t sc_tv_advance_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ktime_t sc_tv_func_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) ktime_t sc_tv_func_stop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) #ifdef CONFIG_OCFS2_FS_STATS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) ktime_t sc_tv_acquiry_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) ktime_t sc_tv_send_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) ktime_t sc_tv_status_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) u32 sc_send_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) u32 sc_recv_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) ktime_t sc_tv_process_total;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct mutex sc_send_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct o2net_msg_handler {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct rb_node nh_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) u32 nh_max_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) u32 nh_msg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) u32 nh_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) o2net_msg_handler_func *nh_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) void *nh_func_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) o2net_post_msg_handler_func
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) *nh_post_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct kref nh_kref;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct list_head nh_unregister_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) enum o2net_system_error {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) O2NET_ERR_NONE = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) O2NET_ERR_NO_HNDLR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) O2NET_ERR_OVERFLOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) O2NET_ERR_DIED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) O2NET_ERR_MAX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct o2net_status_wait {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) enum o2net_system_error ns_sys_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) s32 ns_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) int ns_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) wait_queue_head_t ns_wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct list_head ns_node_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* just for state dumps */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) struct o2net_send_tracking {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) struct list_head st_net_debug_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) struct task_struct *st_task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) struct o2net_sock_container *st_sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) u32 st_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) u32 st_msg_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) u32 st_msg_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) u8 st_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) ktime_t st_sock_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) ktime_t st_send_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) ktime_t st_status_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) struct o2net_send_tracking {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) u32 dummy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #endif /* CONFIG_DEBUG_FS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) #endif /* O2CLUSTER_TCP_INTERNAL_H */