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erspan: set erspan_ver to 1 by default

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Commit 2897636267 ("erspan: add erspan version II support")
breaks the command:

 # ip link add erspan1 type erspan key 1 seq erspan 123 \
    local 10.1.0.2 remote 10.1.0.1

as erspan_ver is set to 0 by default, then IFLA_GRE_ERSPAN_INDEX
won't be set in gre_parse_opt().

  # ip -d link show erspan1
    ...
    erspan remote 10.1.0.1 local 10.1.0.2 ... erspan_index 0 erspan_ver 1
                                              ^^^^^^^^^^^^^^

This patch is to change to set erspan_ver to 1 by default.

Fixes: 2897636267 ("erspan: add erspan version II support")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Xin Long 2020-02-18 11:50:20 +08:00 committed by Stephen Hemminger
parent 0a6ea03be4
commit 83c543af87
2 changed files with 2 additions and 2 deletions
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2
ip/link_gre.c
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@ -94,7 +94,7 @@ static int gre_parse_opt(struct link_util *lu, int argc, char **argv,
__u8 metadata = 0;
__u32 fwmark = 0;
__u32 erspan_idx = 0;
__u8 erspan_ver = 0;
__u8 erspan_ver = 1;
__u8 erspan_dir = 0;
__u16 erspan_hwid = 0;

2
ip/link_gre6.c
View File

@ -106,7 +106,7 @@ static int gre_parse_opt(struct link_util *lu, int argc, char **argv,
__u8 metadata = 0;
__u32 fwmark = 0;
__u32 erspan_idx = 0;
__u8 erspan_ver = 0;
__u8 erspan_ver = 1;
__u8 erspan_dir = 0;
__u16 erspan_hwid = 0;