[libteam]: Add Fast-Reboot mode for teamd (#3490)

* [libteam]: add special Fast-Reboot teamd stop mode

* Fix last packet sending

* Update sonic-utilities module
This commit is contained in:
pavel-shirshov 2019-09-20 15:33:40 -07:00 committed by Ying Xie
parent e597415838
commit 2fc617fcd9
2 changed files with 36 additions and 21 deletions

View File

@ -1,18 +1,18 @@
From a21a3dec9f9b9d825a0229e2963e07862395bbba Mon Sep 17 00:00:00 2001
From 5d418847bf6fa86f049e18c1b57028c71e40a9c4 Mon Sep 17 00:00:00 2001
From: Pavel Shirshov <pavelsh@microsoft.com>
Date: Fri, 14 Jun 2019 14:20:05 -0700
Subject: [PATCH] [libteam]: Reimplement Warm-Reboot procedure
Date: Thu, 19 Sep 2019 14:49:17 -0700
Subject: [PATCH 1/1] [libteam]: Reimplement Warm-Reboot procedure
---
libteam/ifinfo.c | 6 +-
teamd/teamd.c | 42 +++-
teamd/teamd.c | 57 ++++-
teamd/teamd.h | 6 +
teamd/teamd_events.c | 13 ++
teamd/teamd_runner_lacp.c | 474 +++++++++++++++++++++++++++++++++++---
5 files changed, 498 insertions(+), 43 deletions(-)
5 files changed, 509 insertions(+), 47 deletions(-)
diff --git a/libteam/ifinfo.c b/libteam/ifinfo.c
index 46d56a2..b86d34c 100644
index a15788b..e48193e 100644
--- a/libteam/ifinfo.c
+++ b/libteam/ifinfo.c
@@ -109,15 +109,13 @@ static void update_hwaddr(struct team_ifinfo *ifinfo, struct rtnl_link *link)
@ -34,7 +34,7 @@ index 46d56a2..b86d34c 100644
}
}
diff --git a/teamd/teamd.c b/teamd/teamd.c
index 9dc85b5..96794e8 100644
index 9dc85b5..679da49 100644
--- a/teamd/teamd.c
+++ b/teamd/teamd.c
@@ -117,7 +117,9 @@ static void print_help(const struct teamd_context *ctx) {
@ -90,51 +90,66 @@ index 9dc85b5..96794e8 100644
if (optind < argc) {
fprintf(stderr, "Too many arguments\n");
return -1;
@@ -390,8 +410,14 @@ static int teamd_run_loop_run(struct teamd_context *ctx)
@@ -390,12 +410,21 @@ static int teamd_run_loop_run(struct teamd_context *ctx)
if (err != -1) {
switch(ctrl_byte) {
case 'q':
+ case 'f':
+ case 'w':
if (quit_in_progress)
return -EBUSY;
+ if (ctrl_byte == 'w') {
- teamd_refresh_ports(ctx);
- err = teamd_flush_ports(ctx);
- if (err)
- return err;
+ if (ctrl_byte == 'w' || ctrl_byte == 'f') {
+ ctx->keep_ports = true;
+ ctx->no_quit_destroy = true;
+ teamd_ports_flush_data(ctx);
+ teamd_refresh_ports(ctx);
+ if (ctrl_byte == 'w')
+ teamd_ports_flush_data(ctx);
+ } else {
+ err = teamd_flush_ports(ctx);
+ if (err)
+ return err;
+ }
teamd_refresh_ports(ctx);
err = teamd_flush_ports(ctx);
if (err)
@@ -434,6 +460,12 @@ void teamd_run_loop_quit(struct teamd_context *ctx, int err)
quit_in_progress = true;
continue;
case 'r':
@@ -434,6 +463,12 @@ void teamd_run_loop_quit(struct teamd_context *ctx, int err)
teamd_run_loop_sent_ctrl_byte(ctx, 'q');
}
+static void teamd_run_loop_quit_w_boot(struct teamd_context *ctx, int err)
+static void teamd_run_loop_quit_a_boot(struct teamd_context *ctx, char type, int err)
+{
+ ctx->run_loop.err = err;
+ teamd_run_loop_sent_ctrl_byte(ctx, 'w');
+ teamd_run_loop_sent_ctrl_byte(ctx, type);
+}
+
void teamd_run_loop_restart(struct teamd_context *ctx)
{
teamd_run_loop_sent_ctrl_byte(ctx, 'r');
@@ -700,6 +732,10 @@ static int callback_daemon_signal(struct teamd_context *ctx, int events,
@@ -700,6 +735,14 @@ static int callback_daemon_signal(struct teamd_context *ctx, int events,
teamd_log_warn("Got SIGINT, SIGQUIT or SIGTERM.");
teamd_run_loop_quit(ctx, 0);
break;
+ case SIGUSR1:
+ teamd_log_warn("Got SIGUSR1.");
+ teamd_run_loop_quit_w_boot(ctx, 0);
+ teamd_run_loop_quit_a_boot(ctx, 'w', 0);
+ break;
+ case SIGUSR2:
+ teamd_log_warn("Got SIGUSR2.");
+ teamd_run_loop_quit_a_boot(ctx, 'f', 0);
+ break;
}
return 0;
}
@@ -1531,7 +1567,7 @@ static int teamd_start(struct teamd_context *ctx, enum teamd_exit_code *p_ret)
@@ -1531,7 +1574,7 @@ static int teamd_start(struct teamd_context *ctx, enum teamd_exit_code *p_ret)
return -errno;
}
- if (daemon_signal_init(SIGINT, SIGTERM, SIGQUIT, SIGHUP, 0) < 0) {
+ if (daemon_signal_init(SIGINT, SIGTERM, SIGQUIT, SIGHUP, SIGUSR1, 0) < 0) {
+ if (daemon_signal_init(SIGINT, SIGTERM, SIGQUIT, SIGHUP, SIGUSR1, SIGUSR2, 0) < 0) {
teamd_log_err("Could not register signal handlers.");
daemon_retval_send(errno);
err = -errno;

@ -1 +1 @@
Subproject commit a06bee79644aaeac745d4061377604ee38d0031c
Subproject commit a89b9d4c69e993c2891f59fbbd48891b23eba298