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vti/tunnel: Unify ikey/okey printing 

For vti6 tunnel we print [io]key in dotted-quad notation
(ipv4 address) while in vti we do that in hex format.

For vti tunnel we print [io]key only if value is not
zero while for vti6 we miss such check.

Unify vti and vti6 tunnel [io]key output.

While here enlarge s2 buffer to the same size as in rest
of tunnel support code (64 bytes) and check return from
inet_ntop().

Signed-off-by: Serhey Popovych <serhe.popovych@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Serhey Popovych 2018-01-18 16:04:34 +02:00 committed by Stephen Hemminger
parent 2a8d0f6e9c
commit 34a8c54d6d
2 changed files with 24 additions and 12 deletions
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22
ip/link_vti.c
View File

@ -167,8 +167,7 @@ static void vti_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{ {
const char *local = "any"; const char *local = "any";
const char *remote = "any"; const char *remote = "any";
__u32 key; char s2[64];
char s2[IFNAMSIZ];
if (!tb) if (!tb)
return; return;
@ -200,14 +199,21 @@ static void vti_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
} }
} }
if (tb[IFLA_VTI_IKEY] && if (tb[IFLA_VTI_IKEY]) {
(key = rta_getattr_u32(tb[IFLA_VTI_IKEY]))) struct rtattr *rta = tb[IFLA_VTI_IKEY];
print_0xhex(PRINT_ANY, "ikey", "ikey %#x ", ntohl(key)); __u32 key = rta_getattr_u32(rta);
if (key && inet_ntop(AF_INET, RTA_DATA(rta), s2, sizeof(s2)))
print_string(PRINT_ANY, "ikey", "ikey %s ", s2);
}
if (tb[IFLA_VTI_OKEY] && if (tb[IFLA_VTI_OKEY]) {
(key = rta_getattr_u32(tb[IFLA_VTI_OKEY]))) struct rtattr *rta = tb[IFLA_VTI_OKEY];
print_0xhex(PRINT_ANY, "okey", "okey %#x ", ntohl(key)); __u32 key = rta_getattr_u32(rta);
if (key && inet_ntop(AF_INET, RTA_DATA(rta), s2, sizeof(s2)))
print_string(PRINT_ANY, "okey", "okey %s ", s2);
}
if (tb[IFLA_VTI_FWMARK]) { if (tb[IFLA_VTI_FWMARK]) {
__u32 fwmark = rta_getattr_u32(tb[IFLA_VTI_FWMARK]); __u32 fwmark = rta_getattr_u32(tb[IFLA_VTI_FWMARK]);

14
ip/link_vti6.c
View File

@ -199,13 +199,19 @@ static void vti6_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
} }
if (tb[IFLA_VTI_IKEY]) { if (tb[IFLA_VTI_IKEY]) {
inet_ntop(AF_INET, RTA_DATA(tb[IFLA_VTI_IKEY]), s2, sizeof(s2)); struct rtattr *rta = tb[IFLA_VTI_IKEY];
print_string(PRINT_ANY, "ikey", "ikey %s ", s2); __u32 key = rta_getattr_u32(rta);
if (key && inet_ntop(AF_INET, RTA_DATA(rta), s2, sizeof(s2)))
print_string(PRINT_ANY, "ikey", "ikey %s ", s2);
} }
if (tb[IFLA_VTI_OKEY]) { if (tb[IFLA_VTI_OKEY]) {
inet_ntop(AF_INET, RTA_DATA(tb[IFLA_VTI_OKEY]), s2, sizeof(s2)); struct rtattr *rta = tb[IFLA_VTI_OKEY];
print_string(PRINT_ANY, "okey", "okey %s ", s2); __u32 key = rta_getattr_u32(rta);
if (key && inet_ntop(AF_INET, RTA_DATA(rta), s2, sizeof(s2)))
print_string(PRINT_ANY, "okey", "okey %s ", s2);
} }
if (tb[IFLA_VTI_FWMARK]) { if (tb[IFLA_VTI_FWMARK]) {