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iplink: add support for xstats subcommand 

This patch adds support for a new xstats link subcommand which uses the
specified link type's new parse/print_ifla_xstats callbacks to display
extended statistics.

Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Nikolay Aleksandrov 2017-02-18 16:35:32 -08:00 committed by Stephen Hemminger
parent bb8771573a
commit 94f1a22aa7
4 changed files with 25 additions and 3 deletions
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2
ip/Makefile
View File

@ -8,7 +8,7 @@ IPOBJ=ip.o ipaddress.o ipaddrlabel.o iproute.o iprule.o ipnetns.o \
link_iptnl.o link_gre6.o iplink_bond.o iplink_bond_slave.o iplink_hsr.o \
iplink_bridge.o iplink_bridge_slave.o ipfou.o iplink_ipvlan.o \
iplink_geneve.o iplink_vrf.o iproute_lwtunnel.o ipmacsec.o ipila.o \
ipvrf.o
ipvrf.o iplink_xstats.o
RTMONOBJ=rtmon.o

9
ip/ip_common.h
View File

@ -62,6 +62,7 @@ void vrf_reset(void);
int netns_identify_pid(const char *pidstr, char *name, int len);
int iplink_get(unsigned int flags, char *name, __u32 filt_mask);
int iplink_ifla_xstats(int argc, char **argv);
static inline int rtm_get_table(struct rtmsg *r, struct rtattr **tb)
{
@ -85,9 +86,13 @@ struct link_util {
void (*print_opt)(struct link_util *, FILE *,
struct rtattr *[]);
void (*print_xstats)(struct link_util *, FILE *,
struct rtattr *);
struct rtattr *);
void (*print_help)(struct link_util *, int, char **,
FILE *);
FILE *);
int (*parse_ifla_xstats)(struct link_util *,
int, char **);
int (*print_ifla_xstats)(const struct sockaddr_nl *,
struct nlmsghdr *, void *);
};
struct link_util *get_link_kind(const char *kind);

5
ip/iplink.c
View File

@ -98,6 +98,8 @@ void iplink_usage(void)
"\n"
" ip link show [ DEVICE | group GROUP ] [up] [master DEV] [vrf NAME] [type TYPE]\n");
fprintf(stderr, "\n ip link xstats type TYPE [ ARGS ]\n");
if (iplink_have_newlink()) {
fprintf(stderr,
"\n"
@ -1411,6 +1413,9 @@ int do_iplink(int argc, char **argv)
matches(*argv, "list") == 0)
return ipaddr_list_link(argc-1, argv+1);
if (matches(*argv, "xstats") == 0)
return iplink_ifla_xstats(argc-1, argv+1);
if (matches(*argv, "help") == 0) {
do_help(argc-1, argv+1);
return 0;

12
man/man8/ip-link.8.in
View File

@ -168,6 +168,11 @@ ip-link \- network device configuration
.B vrf
.IR NAME " ]"
.ti -8
.B ip link xstats
.BI type " TYPE"
.RI "[ " ARGS " ]"
.ti -8
.B ip link help
.RI "[ " TYPE " ]"
@ -1616,6 +1621,13 @@ interface list by comparing it with the relevant attribute in case the kernel
didn't filter already. Therefore any string is accepted, but may lead to empty
output.
.SS ip link xstats - display extended statistics
.TP
.BI type " TYPE "
.I TYPE
specifies the type of devices to display extended statistics for.
.SS ip link help - display help
.PP