150 lines
5.2 KiB
Diff
150 lines
5.2 KiB
Diff
From 1638c2909a2911f981ee437dafde70e5e8d721f8 Mon Sep 17 00:00:00 2001
|
|
Message-Id: <1638c2909a2911f981ee437dafde70e5e8d721f8.1683117490.git.aclaudi@redhat.com>
|
|
In-Reply-To: <6a3ecf4fd80f7dcecb72b6c83781f5aed463a75b.1683117490.git.aclaudi@redhat.com>
|
|
References: <6a3ecf4fd80f7dcecb72b6c83781f5aed463a75b.1683117490.git.aclaudi@redhat.com>
|
|
From: Andrea Claudi <aclaudi@redhat.com>
|
|
Date: Wed, 3 May 2023 11:19:24 +0200
|
|
Subject: [PATCH] macvlan: Add bclim parameter
|
|
|
|
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2188134
|
|
Upstream Status: iproute2-next.git commit e8a3fb47
|
|
|
|
commit e8a3fb470b4e96aa35a2731c7cc175b946c0a62d
|
|
Author: Herbert Xu <herbert@gondor.apana.org.au>
|
|
Date: Thu Mar 30 11:07:25 2023 +0800
|
|
|
|
macvlan: Add bclim parameter
|
|
|
|
This patch adds support for setting the broadcast queueing threshold
|
|
on macvlan devices. This controls which multicast packets will be
|
|
processed in a workqueue instead of inline.
|
|
|
|
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
|
|
|
ip/iplink_macvlan.c | 26 ++++++++++++++++++++++++--
|
|
man/man8/ip-link.8.in | 18 ++++++++++++++++++
|
|
3 files changed, 43 insertions(+), 2 deletions(-)
|
|
|
|
Signed-off-by: David Ahern <dsahern@kernel.org>
|
|
---
|
|
ip/iplink_macvlan.c | 26 ++++++++++++++++++++++++--
|
|
man/man8/ip-link.8.in | 18 ++++++++++++++++++
|
|
2 files changed, 42 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/ip/iplink_macvlan.c b/ip/iplink_macvlan.c
|
|
index 0f13637d..6bdc76d1 100644
|
|
--- a/ip/iplink_macvlan.c
|
|
+++ b/ip/iplink_macvlan.c
|
|
@@ -26,13 +26,14 @@
|
|
static void print_explain(struct link_util *lu, FILE *f)
|
|
{
|
|
fprintf(f,
|
|
- "Usage: ... %s mode MODE [flag MODE_FLAG] MODE_OPTS [bcqueuelen BC_QUEUE_LEN]\n"
|
|
+ "Usage: ... %s mode MODE [flag MODE_FLAG] MODE_OPTS [bcqueuelen BC_QUEUE_LEN] [bclim BCLIM]\n"
|
|
"\n"
|
|
"MODE: private | vepa | bridge | passthru | source\n"
|
|
"MODE_FLAG: null | nopromisc | nodst\n"
|
|
"MODE_OPTS: for mode \"source\":\n"
|
|
"\tmacaddr { { add | del } <macaddr> | set [ <macaddr> [ <macaddr> ... ] ] | flush }\n"
|
|
- "BC_QUEUE_LEN: Length of the rx queue for broadcast/multicast: [0-4294967295]\n",
|
|
+ "BC_QUEUE_LEN: Length of the rx queue for broadcast/multicast: [0-4294967295]\n"
|
|
+ "BCLIM: Threshold for broadcast queueing: 32-bit integer\n",
|
|
lu->id
|
|
);
|
|
}
|
|
@@ -67,6 +68,12 @@ static int bc_queue_len_arg(const char *arg)
|
|
return -1;
|
|
}
|
|
|
|
+static int bclim_arg(const char *arg)
|
|
+{
|
|
+ fprintf(stderr, "Error: illegal value for \"bclim\": \"%s\"\n", arg);
|
|
+ return -1;
|
|
+}
|
|
+
|
|
static int macvlan_parse_opt(struct link_util *lu, int argc, char **argv,
|
|
struct nlmsghdr *n)
|
|
{
|
|
@@ -168,6 +175,15 @@ static int macvlan_parse_opt(struct link_util *lu, int argc, char **argv,
|
|
return bc_queue_len_arg(*argv);
|
|
}
|
|
addattr32(n, 1024, IFLA_MACVLAN_BC_QUEUE_LEN, bc_queue_len);
|
|
+ } else if (!strcmp(*argv, "bclim")) {
|
|
+ __s32 bclim;
|
|
+ NEXT_ARG();
|
|
+
|
|
+ if (get_s32(&bclim, *argv, 0)) {
|
|
+ return bclim_arg(*argv);
|
|
+ }
|
|
+ addattr_l(n, 1024, IFLA_MACVLAN_BC_CUTOFF,
|
|
+ &bclim, sizeof(bclim));
|
|
} else if (matches(*argv, "help") == 0) {
|
|
explain(lu);
|
|
return -1;
|
|
@@ -245,6 +261,12 @@ static void macvlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[]
|
|
print_luint(PRINT_ANY, "usedbcqueuelen", "usedbcqueuelen %lu ", bc_queue_len);
|
|
}
|
|
|
|
+ if (tb[IFLA_MACVLAN_BC_CUTOFF] &&
|
|
+ RTA_PAYLOAD(tb[IFLA_MACVLAN_BC_CUTOFF]) >= sizeof(__s32)) {
|
|
+ __s32 bclim = rta_getattr_s32(tb[IFLA_MACVLAN_BC_CUTOFF]);
|
|
+ print_int(PRINT_ANY, "bclim", "bclim %d ", bclim);
|
|
+ }
|
|
+
|
|
/* in source mode, there are more options to print */
|
|
|
|
if (mode != MACVLAN_MODE_SOURCE)
|
|
diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in
|
|
index eeddf493..62aebabd 100644
|
|
--- a/man/man8/ip-link.8.in
|
|
+++ b/man/man8/ip-link.8.in
|
|
@@ -1455,6 +1455,7 @@ the following additional arguments are supported:
|
|
.BR mode " { " private " | " vepa " | " bridge " | " passthru
|
|
.RB " [ " nopromisc " ] | " source " [ " nodst " ] } "
|
|
.RB " [ " bcqueuelen " { " LENGTH " } ] "
|
|
+.RB " [ " bclim " " LIMIT " ] "
|
|
|
|
.in +8
|
|
.sp
|
|
@@ -1513,6 +1514,13 @@ will be the maximum length that any macvlan interface has requested.
|
|
When listing device parameters both the bcqueuelen parameter
|
|
as well as the actual used bcqueuelen are listed to better help
|
|
the user understand the setting.
|
|
+
|
|
+.BR bclim " " LIMIT
|
|
+- Set the threshold for broadcast queueing.
|
|
+.BR LIMIT " must be a 32-bit integer."
|
|
+Setting this to -1 disables broadcast queueing altogether. Otherwise
|
|
+a multicast address will be queued as broadcast if the number of devices
|
|
+using it is greater than the given value.
|
|
.in -8
|
|
|
|
.TP
|
|
@@ -2675,6 +2683,9 @@ Update the broadcast/multicast queue length.
|
|
[
|
|
.BI bcqueuelen " LENGTH "
|
|
]
|
|
+[
|
|
+.BI bclim " LIMIT "
|
|
+]
|
|
|
|
.in +8
|
|
.BI bcqueuelen " LENGTH "
|
|
@@ -2688,6 +2699,13 @@ will be the maximum length that any macvlan interface has requested.
|
|
When listing device parameters both the bcqueuelen parameter
|
|
as well as the actual used bcqueuelen are listed to better help
|
|
the user understand the setting.
|
|
+
|
|
+.BI bclim " LIMIT "
|
|
+- Set the threshold for broadcast queueing.
|
|
+.IR LIMIT " must be a 32-bit integer."
|
|
+Setting this to -1 disables broadcast queueing altogether. Otherwise
|
|
+a multicast address will be queued as broadcast if the number of devices
|
|
+using it is greater than the given value.
|
|
.in -8
|
|
|
|
.TP
|
|
--
|
|
2.40.1
|
|
|