diff options
| author | sfeldma@cumulusnetworks.com <sfeldma@cumulusnetworks.com> | 2013-12-17 21:30:37 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-19 18:32:10 -0500 |
| commit | c13ab3ff176eab78b6ee93817484584af5807cf2 (patch) | |
| tree | bd02fab1dc6136cfd9f3b8cf2a5ef7619dbb8a7c /drivers/net/bonding/bond_options.c | |
| parent | 8d836d092ed7b77d13ac1108399165ee7de7463f (diff) | |
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_options.c')
| -rw-r--r-- | drivers/net/bonding/bond_options.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c index e313a8f8fae0..f8a2cd8c7b57 100644 --- a/drivers/net/bonding/bond_options.c +++ b/drivers/net/bonding/bond_options.c @@ -16,6 +16,7 @@ #include <linux/netdevice.h> #include <linux/rwlock.h> #include <linux/rcupdate.h> +#include <linux/reciprocal_div.h> #include "bonding.h" static bool bond_mode_is_valid(int mode) @@ -633,3 +634,25 @@ int bond_option_lp_interval_set(struct bonding *bond, int lp_interval) return 0; } + +int bond_option_packets_per_slave_set(struct bonding *bond, + int packets_per_slave) +{ + if (packets_per_slave < 0 || packets_per_slave > USHRT_MAX) { + pr_err("%s: packets_per_slave must be between 0 and %u\n", + bond->dev->name, USHRT_MAX); + return -EINVAL; + } + + if (bond->params.mode != BOND_MODE_ROUNDROBIN) + pr_warn("%s: Warning: packets_per_slave has effect only in balance-rr mode\n", + bond->dev->name); + + if (packets_per_slave > 1) + bond->params.packets_per_slave = + reciprocal_value(packets_per_slave); + else + bond->params.packets_per_slave = packets_per_slave; + + return 0; +} |