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From f43f500151a6261e24d89674b0a44f2d84c9e207 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <psutter@redhat.com>
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Date: Wed, 6 Feb 2019 14:21:09 +0100
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Subject: [PATCH] tc: m_tunnel_key: Allow key-less tunnels
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1658506
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Upstream Status: iproute2.git commit dc0332b1e8e4a
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Conflicts: Context change due to missing commit 59eb271d1d259
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("tc: m_tunnel_key: add csum/nocsum option").
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commit dc0332b1e8e4ab8771562128993d512986f856e2
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Author: Adi Nissim <adin@mellanox.com>
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Date: Thu Jan 10 15:03:50 2019 +0200
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tc: m_tunnel_key: Allow key-less tunnels
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Change the id parameter of the tunnel_key set action from mandatory to
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optional.
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Some tunneling protocols (e.g. GRE) specify the id as an optional field.
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Signed-off-by: Adi Nissim <adin@mellanox.com>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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---
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man/man8/tc-tunnel_key.8 | 4 ++--
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tc/m_tunnel_key.c | 6 ++----
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2 files changed, 4 insertions(+), 6 deletions(-)
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diff --git a/man/man8/tc-tunnel_key.8 b/man/man8/tc-tunnel_key.8
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index 2e569730abbb3..52fa585a75c8f 100644
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--- a/man/man8/tc-tunnel_key.8
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+++ b/man/man8/tc-tunnel_key.8
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@@ -56,12 +56,12 @@ above).
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.TP
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.B set
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Set tunnel metadata to be used by the IP tunnel device. Requires
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-.B id
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-,
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.B src_ip
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and
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.B dst_ip
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options.
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+.B id
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+,
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.B dst_port
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is optional.
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.RS
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diff --git a/tc/m_tunnel_key.c b/tc/m_tunnel_key.c
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index 5222c25977e26..acbcfc15cda76 100644
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--- a/tc/m_tunnel_key.c
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+++ b/tc/m_tunnel_key.c
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@@ -25,7 +25,7 @@ static void explain(void)
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fprintf(stderr, " tunnel_key set <TUNNEL_KEY>\n");
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fprintf(stderr,
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"Where TUNNEL_KEY is a combination of:\n"
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- "id <TUNNELID> (mandatory)\n"
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+ "id <TUNNELID>\n"
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"src_ip <IP> (mandatory)\n"
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"dst_ip <IP> (mandatory)\n"
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"dst_port <UDP_PORT>\n");
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@@ -91,7 +91,6 @@ static int parse_tunnel_key(struct action_util *a, int *argc_p, char ***argv_p,
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int ret;
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int has_src_ip = 0;
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int has_dst_ip = 0;
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- int has_key_id = 0;
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if (matches(*argv, "tunnel_key") != 0)
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return -1;
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@@ -147,7 +146,6 @@ static int parse_tunnel_key(struct action_util *a, int *argc_p, char ***argv_p,
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fprintf(stderr, "Illegal \"id\"\n");
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return -1;
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}
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- has_key_id = 1;
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} else if (matches(*argv, "dst_port") == 0) {
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NEXT_ARG();
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ret = tunnel_key_parse_dst_port(*argv,
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@@ -180,7 +178,7 @@ static int parse_tunnel_key(struct action_util *a, int *argc_p, char ***argv_p,
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}
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if (action == TCA_TUNNEL_KEY_ACT_SET &&
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- (!has_src_ip || !has_dst_ip || !has_key_id)) {
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+ (!has_src_ip || !has_dst_ip)) {
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fprintf(stderr, "set needs tunnel_key parameters\n");
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explain();
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return -1;
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--
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2.21.0
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