* [PATCH 1/3] ip link: add support for setting device groups
2011-01-10 11:39 [PATCH 0/3] iproute2: ip link: add support for network device groups Vlad Dogaru
@ 2011-01-10 11:39 ` Vlad Dogaru
2011-01-10 11:39 ` [PATCH 2/3] ip link: support listing devices by group Vlad Dogaru
` (2 subsequent siblings)
3 siblings, 0 replies; 6+ messages in thread
From: Vlad Dogaru @ 2011-01-10 11:39 UTC (permalink / raw)
To: netdev, netdev; +Cc: Vlad Dogaru, jamal, Octavian Purdila
Use the group keyword to specify what group the device should belong to:
ip link set dev eth0 group 1
Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org>
---
include/linux/if_link.h | 2 ++
ip/iplink.c | 8 ++++++++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index f5bb2dc..1d789dd 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -116,6 +116,8 @@ enum {
IFLA_STATS64,
IFLA_VF_PORTS,
IFLA_PORT_SELF,
+ IFLA_AF_SPEC,
+ IFLA_GROUP,
__IFLA_MAX
};
diff --git a/ip/iplink.c b/ip/iplink.c
index cb2c4f5..a7bad2c 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -252,6 +252,7 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
int mtu = -1;
int netns = -1;
int vf = -1;
+ int group = -1;
ret = argc;
@@ -297,6 +298,13 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
if (get_integer(&mtu, *argv, 0))
invarg("Invalid \"mtu\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
+ } else if (strcmp(*argv, "group") == 0) {
+ NEXT_ARG();
+ if (mtu != -1)
+ duparg("group", *argv);
+ if (get_integer(&group, *argv, 0))
+ invarg("Invalid \"group\" value\n", *argv);
+ addattr_l(&req->n, sizeof(*req), IFLA_GROUP, &group, 4);
} else if (strcmp(*argv, "netns") == 0) {
NEXT_ARG();
if (netns != -1)
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/3] ip link: support listing devices by group
2011-01-10 11:39 [PATCH 0/3] iproute2: ip link: add support for network device groups Vlad Dogaru
2011-01-10 11:39 ` [PATCH 1/3] ip link: add support for setting " Vlad Dogaru
@ 2011-01-10 11:39 ` Vlad Dogaru
2011-01-10 11:39 ` [PATCH 3/3] ip link: support setting device parameters " Vlad Dogaru
2011-01-10 16:47 ` [PATCH 0/3] iproute2: ip link: add support for network device groups Stephen Hemminger
3 siblings, 0 replies; 6+ messages in thread
From: Vlad Dogaru @ 2011-01-10 11:39 UTC (permalink / raw)
To: netdev, netdev; +Cc: Vlad Dogaru, jamal, Octavian Purdila
User can specify device group to list by using the devgroup keyword:
ip link lst devgroup 1
If no group is specified, 0 is implied.
Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org>
---
include/linux/netdevice.h | 2 +-
ip/ipaddress.c | 14 ++++++++++++++
ip/iplink.c | 1 +
3 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index bec4e23..ad2e34d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -33,7 +33,7 @@
#define MAX_ADDR_LEN 32 /* Largest hardware address length */
-
+#define INIT_NETDEV_GROUP 0 /* Initial group net devices belong to */
/* Media selection options. */
enum {
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index a775ecd..66e4350 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -49,6 +49,7 @@ static struct
char *flushb;
int flushp;
int flushe;
+ int group;
} filter;
static int do_link;
@@ -246,6 +247,12 @@ int print_linkinfo(const struct sockaddr_nl *who,
fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0))
return 0;
+ if (tb[IFLA_GROUP]) {
+ int group = *(int*)RTA_DATA(tb[IFLA_GROUP]);
+ if (group != filter.group)
+ return -1;
+ }
+
if (n->nlmsg_type == RTM_DELLINK)
fprintf(fp, "Deleted ");
@@ -718,9 +725,12 @@ static int ipaddr_list_or_flush(int argc, char **argv, int flush)
if (filter.family == AF_UNSPEC)
filter.family = preferred_family;
+ filter.group = INIT_NETDEV_GROUP;
+
if (flush) {
if (argc <= 0) {
fprintf(stderr, "Flush requires arguments.\n");
+
return -1;
}
if (filter.family == AF_PACKET) {
@@ -779,6 +789,10 @@ static int ipaddr_list_or_flush(int argc, char **argv, int flush)
} else if (strcmp(*argv, "label") == 0) {
NEXT_ARG();
filter.label = *argv;
+ } else if (strcmp(*argv, "devgroup") == 0) {
+ NEXT_ARG();
+ if (get_integer(&filter.group, *argv, 0))
+ invarg("Invalid \"devgroup\" value\n", *argv);
} else {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
diff --git a/ip/iplink.c b/ip/iplink.c
index a7bad2c..c0378e7 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -66,6 +66,7 @@ void iplink_usage(void)
fprintf(stderr, " [ address LLADDR ]\n");
fprintf(stderr, " [ broadcast LLADDR ]\n");
fprintf(stderr, " [ mtu MTU ]\n");
+ fprintf(stderr, " [ group GROUP ]\n");
fprintf(stderr, " [ netns PID ]\n");
fprintf(stderr, " [ alias NAME ]\n");
fprintf(stderr, " [ vf NUM [ mac LLADDR ]\n");
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 3/3] ip link: support setting device parameters by group
2011-01-10 11:39 [PATCH 0/3] iproute2: ip link: add support for network device groups Vlad Dogaru
2011-01-10 11:39 ` [PATCH 1/3] ip link: add support for setting " Vlad Dogaru
2011-01-10 11:39 ` [PATCH 2/3] ip link: support listing devices by group Vlad Dogaru
@ 2011-01-10 11:39 ` Vlad Dogaru
2011-01-10 16:47 ` [PATCH 0/3] iproute2: ip link: add support for network device groups Stephen Hemminger
3 siblings, 0 replies; 6+ messages in thread
From: Vlad Dogaru @ 2011-01-10 11:39 UTC (permalink / raw)
To: netdev, netdev; +Cc: Vlad Dogaru, jamal, Octavian Purdila
Users can now modify basic device parameters with a single call. We use
the devgroup keyword to specify the device group to work on. For
instance, to take down all interfaces in group 1:
ip link set down devgroup 1
This also allows merging device groups; the command below will move
all interfaces in group 1 to the default group (0).
ip link set group 0 devgroup 1
Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org>
---
include/linux/if_link.h | 1 +
include/utils.h | 3 ++-
ip/iplink.c | 45 +++++++++++++++++++++++++++++++++++++++++++--
ip/link_veth.c | 3 ++-
4 files changed, 48 insertions(+), 4 deletions(-)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 1d789dd..9286bbd 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -118,6 +118,7 @@ enum {
IFLA_PORT_SELF,
IFLA_AF_SPEC,
IFLA_GROUP,
+ IFLA_FILTERGROUP,
__IFLA_MAX
};
diff --git a/include/utils.h b/include/utils.h
index 3da6998..f9d4931 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -151,5 +151,6 @@ extern int makeargs(char *line, char *argv[], int maxargs);
struct iplink_req;
int iplink_parse(int argc, char **argv, struct iplink_req *req,
- char **name, char **type, char **link, char **dev);
+ char **name, char **type, char **link, char **dev,
+ int *devgroup);
#endif /* __UTILS_H__ */
diff --git a/ip/iplink.c b/ip/iplink.c
index c0378e7..cd05a33 100644
--- a/ip/iplink.c
+++ b/ip/iplink.c
@@ -245,7 +245,8 @@ int iplink_parse_vf(int vf, int *argcp, char ***argvp,
int iplink_parse(int argc, char **argv, struct iplink_req *req,
- char **name, char **type, char **link, char **dev)
+ char **name, char **type, char **link, char **dev,
+ int *devgroup)
{
int ret, len;
char abuf[32];
@@ -256,6 +257,7 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
int group = -1;
ret = argc;
+ *devgroup = -1; /* Not set. */
while (argc > 0) {
if (strcmp(*argv, "up") == 0) {
@@ -395,6 +397,20 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
} else {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
+ if (*dev)
+ duparg2("dev", *argv);
+ *dev = *argv;
+ argc--; argv++;
+ continue;
+ }
+ if (matches(*argv, "devgroup") == 0) {
+ NEXT_ARG();
+ if (*devgroup != -1)
+ duparg("devgroup", *argv);
+ if (get_integer(devgroup, *argv, 0))
+ invarg("Invalid \"devgroup\" value\n", *argv);
+ argc--; argv++;
+ continue;
}
if (matches(*argv, "help") == 0)
usage();
@@ -405,6 +421,11 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req,
argc--; argv++;
}
+ if (*dev && (*devgroup != -1)) {
+ fprintf(stderr, "dev and devgroup cannot be both be present.\n");
+ exit(-1);
+ }
+
return ret - argc;
}
@@ -415,6 +436,7 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
char *name = NULL;
char *link = NULL;
char *type = NULL;
+ int devgroup;
struct link_util *lu = NULL;
struct iplink_req req;
int ret;
@@ -426,12 +448,31 @@ static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
req.n.nlmsg_type = cmd;
req.i.ifi_family = preferred_family;
- ret = iplink_parse(argc, argv, &req, &name, &type, &link, &dev);
+ ret = iplink_parse(argc, argv, &req, &name, &type, &link, &dev, &devgroup);
if (ret < 0)
return ret;
argc -= ret;
argv += ret;
+
+ if (devgroup != -1) {
+ if (argc) {
+ fprintf(stderr, "Garbage instead of arguments \"%s ...\". "
+ "Try \"ip link help\".\n", *argv);
+ return -1;
+ }
+ if (flags & NLM_F_CREATE) {
+ fprintf(stderr, "devgroup cannot be used when "
+ "creating devices.\n");
+ return -1;
+ }
+
+ addattr32(&req.n, sizeof(req), IFLA_FILTERGROUP, devgroup);
+ if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+ exit(2);
+ return 0;
+ }
+
ll_init_map(&rth);
if (type) {
diff --git a/ip/link_veth.c b/ip/link_veth.c
index 9f5e871..06974e7 100644
--- a/ip/link_veth.c
+++ b/ip/link_veth.c
@@ -30,6 +30,7 @@ static int veth_parse_opt(struct link_util *lu, int argc, char **argv,
char *name, *type, *link, *dev;
int err, len;
struct rtattr * data;
+ int devgroup;
if (strcmp(argv[0], "peer") != 0) {
usage();
@@ -42,7 +43,7 @@ static int veth_parse_opt(struct link_util *lu, int argc, char **argv,
hdr->nlmsg_len += sizeof(struct ifinfomsg);
err = iplink_parse(argc - 1, argv + 1, (struct iplink_req *)hdr,
- &name, &type, &link, &dev);
+ &name, &type, &link, &dev, &devgroup);
if (err < 0)
return err;
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread