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Date: Thu, 23 Jan 2014 17:52:53 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, fubar@...ibm.com, vfalico@...hat.com,
andy@...yhouse.net, sfeldma@...ulusnetworks.com,
stephen@...workplumber.org, john.r.fastabend@...el.com
Subject: [patch iproute2 net-next-for-3.13 1/2] introduce support for slave info data
Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
include/linux/if_link.h | 2 ++
ip/ip_common.h | 4 ++++
ip/ipaddress.c | 54 ++++++++++++++++++++++++++++++++-----------------
ip/iplink.c | 21 ++++++++++++++++---
4 files changed, 60 insertions(+), 21 deletions(-)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 9cb5909..d59f05e 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -239,6 +239,8 @@ enum {
IFLA_INFO_KIND,
IFLA_INFO_DATA,
IFLA_INFO_XSTATS,
+ IFLA_INFO_SLAVE_KIND,
+ IFLA_INFO_SLAVE_DATA,
__IFLA_INFO_MAX,
};
diff --git a/ip/ip_common.h b/ip/ip_common.h
index f9b4734..698dc7a 100644
--- a/ip/ip_common.h
+++ b/ip/ip_common.h
@@ -61,6 +61,8 @@ static inline int rtm_get_table(struct rtmsg *r, struct rtattr **tb)
extern struct rtnl_handle rth;
+#include <stdbool.h>
+
struct link_util
{
struct link_util *next;
@@ -72,9 +74,11 @@ struct link_util
struct rtattr *[]);
void (*print_xstats)(struct link_util *, FILE *,
struct rtattr *);
+ bool slave;
};
struct link_util *get_link_kind(const char *kind);
+struct link_util *get_link_slave_kind(const char *slave_kind);
int get_netns_fd(const char *name);
#ifndef INFINITY_LIFE_TIME
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index f794fa1..33698ae 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -192,34 +192,52 @@ static void print_linktype(FILE *fp, struct rtattr *tb)
{
struct rtattr *linkinfo[IFLA_INFO_MAX+1];
struct link_util *lu;
+ struct link_util *slave_lu;
char *kind;
+ char *slave_kind;
parse_rtattr_nested(linkinfo, IFLA_INFO_MAX, tb);
- if (!linkinfo[IFLA_INFO_KIND])
- return;
- kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]);
+ if (linkinfo[IFLA_INFO_KIND]) {
+ kind = RTA_DATA(linkinfo[IFLA_INFO_KIND]);
- fprintf(fp, "%s", _SL_);
- fprintf(fp, " %s ", kind);
+ fprintf(fp, "%s", _SL_);
+ fprintf(fp, " %s ", kind);
- lu = get_link_kind(kind);
- if (!lu || !lu->print_opt)
- return;
+ lu = get_link_kind(kind);
+ if (lu && lu->print_opt) {
+ struct rtattr *attr[lu->maxattr+1], **data = NULL;
- if (1) {
- struct rtattr *attr[lu->maxattr+1], **data = NULL;
+ if (linkinfo[IFLA_INFO_DATA]) {
+ parse_rtattr_nested(attr, lu->maxattr,
+ linkinfo[IFLA_INFO_DATA]);
+ data = attr;
+ }
+ lu->print_opt(lu, fp, data);
- if (linkinfo[IFLA_INFO_DATA]) {
- parse_rtattr_nested(attr, lu->maxattr,
- linkinfo[IFLA_INFO_DATA]);
- data = attr;
+ if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
+ lu->print_xstats)
+ lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
}
- lu->print_opt(lu, fp, data);
+ }
- if (linkinfo[IFLA_INFO_XSTATS] && show_stats &&
- lu->print_xstats)
- lu->print_xstats(lu, fp, linkinfo[IFLA_INFO_XSTATS]);
+ if (linkinfo[IFLA_INFO_SLAVE_KIND]) {
+ slave_kind = RTA_DATA(linkinfo[IFLA_INFO_SLAVE_KIND]);
+
+ fprintf(fp, "%s", _SL_);
+ fprintf(fp, " %s_slave ", slave_kind);
+
+ slave_lu = get_link_slave_kind(slave_kind);
+ if (slave_lu && slave_lu->print_opt) {
+ struct rtattr *attr[slave_lu->maxattr+1], **data = NULL;
+
+ if (linkinfo[IFLA_INFO_SLAVE_DATA]) {
+ parse_rtattr_nested(attr, slave_lu->maxattr,
+ linkinfo[IFLA_INFO_SLAVE_DATA]);
+ data = attr;
+ }
+ slave_lu->print_opt(slave_lu, fp, data);
+ }
}
}
diff --git a/ip/iplink.c b/ip/iplink.c
index 343b29f..6a62cc0 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -27,6 +27,7 @@
#include <string.h>
#include <sys/ioctl.h>
#include <linux/sockios.h>
+#include <stdbool.h>
#include "rt_names.h"
#include "utils.h"
@@ -105,14 +106,15 @@ static int on_off(const char *msg, const char *realval)
static void *BODY; /* cached dlopen(NULL) handle */
static struct link_util *linkutil_list;
-struct link_util *get_link_kind(const char *id)
+static struct link_util *__get_link_kind(const char *id, bool slave)
{
void *dlh;
char buf[256];
struct link_util *l;
for (l = linkutil_list; l; l = l->next)
- if (strcmp(l->id, id) == 0)
+ if (strcmp(l->id, id) == 0 &&
+ l->slave == slave)
return l;
snprintf(buf, sizeof(buf), LIBDIR "/ip/link_%s.so", id);
@@ -127,7 +129,10 @@ struct link_util *get_link_kind(const char *id)
}
}
- snprintf(buf, sizeof(buf), "%s_link_util", id);
+ if (slave)
+ snprintf(buf, sizeof(buf), "%s_slave_link_util", id);
+ else
+ snprintf(buf, sizeof(buf), "%s_link_util", id);
l = dlsym(dlh, buf);
if (l == NULL)
return NULL;
@@ -137,6 +142,16 @@ struct link_util *get_link_kind(const char *id)
return l;
}
+struct link_util *get_link_kind(const char *id)
+{
+ return __get_link_kind(id, false);
+}
+
+struct link_util *get_link_slave_kind(const char *id)
+{
+ return __get_link_kind(id, true);
+}
+
static int get_link_mode(const char *mode)
{
if (strcasecmp(mode, "default") == 0)
--
1.8.3.1
--
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