summaryrefslogtreecommitdiffstats
path: root/drivers/net/bonding/bond_netlink.c
diff options
context:
space:
mode:
authorsfeldma@cumulusnetworks.com <sfeldma@cumulusnetworks.com>2013-12-17 21:30:37 -0800
committerDavid S. Miller <davem@davemloft.net>2013-12-19 18:32:10 -0500
commitc13ab3ff176eab78b6ee93817484584af5807cf2 (patch)
treebd02fab1dc6136cfd9f3b8cf2a5ef7619dbb8a7c /drivers/net/bonding/bond_netlink.c
parent8d836d092ed7b77d13ac1108399165ee7de7463f (diff)
downloadop-kernel-dev-c13ab3ff176eab78b6ee93817484584af5807cf2.zip
op-kernel-dev-c13ab3ff176eab78b6ee93817484584af5807cf2.tar.gz
bonding: add packets_per_slave attribute netlink support
Add IFLA_BOND_PACKETS_PER_SLAVE to allow get/set of bonding parameter packets_per_slave via netlink. Signed-off-by: Scott Feldman <sfeldma@cumulusnetworks.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/bonding/bond_netlink.c')
-rw-r--r--drivers/net/bonding/bond_netlink.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 6c8339b..84acd144 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -19,6 +19,7 @@
#include <linux/if_ether.h>
#include <net/netlink.h>
#include <net/rtnetlink.h>
+#include <linux/reciprocal_div.h>
#include "bonding.h"
static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
@@ -41,6 +42,7 @@ static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
[IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
[IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
[IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
+ [IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
};
static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -241,6 +243,15 @@ static int bond_changelink(struct net_device *bond_dev,
if (err)
return err;
}
+ if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
+ int packets_per_slave =
+ nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
+
+ err = bond_option_packets_per_slave_set(bond,
+ packets_per_slave);
+ if (err)
+ return err;
+ }
return 0;
}
@@ -278,6 +289,7 @@ static size_t bond_get_size(const struct net_device *bond_dev)
nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
+ nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
0;
}
@@ -287,6 +299,7 @@ static int bond_fill_info(struct sk_buff *skb,
struct bonding *bond = netdev_priv(bond_dev);
struct net_device *slave_dev = bond_option_active_slave_get(bond);
struct nlattr *targets;
+ unsigned int packets_per_slave;
int i, targets_added;
if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
@@ -374,6 +387,14 @@ static int bond_fill_info(struct sk_buff *skb,
bond->params.lp_interval))
goto nla_put_failure;
+ packets_per_slave = bond->params.packets_per_slave;
+ if (packets_per_slave > 1)
+ packets_per_slave = reciprocal_value(packets_per_slave);
+
+ if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
+ packets_per_slave))
+ goto nla_put_failure;
+
return 0;
nla_put_failure:
OpenPOWER on IntegriCloud