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Date: Fri, 10 Jan 2014 14:11:35 +0100
From: Nikolay Aleksandrov <nikolay@...hat.com>
To: netdev@...r.kernel.org
Cc: Nikolay Aleksandrov <nikolay@...hat.com>
Subject: [RFC net-next 3/3] bonding: convert packets_per_slave to use the new option API
This patch adds the necessary changes so packets_per_slave would use the
new bonding option API.
Signed-off-by: Nikolay Aleksandrov <nikolay@...hat.com>
---
drivers/net/bonding/bond_netlink.c | 4 ++--
drivers/net/bonding/bond_options.c | 49 +++++++++++++++++++++-----------------
drivers/net/bonding/bond_options.h | 2 ++
drivers/net/bonding/bond_sysfs.c | 17 ++++---------
drivers/net/bonding/bonding.h | 2 --
5 files changed, 36 insertions(+), 38 deletions(-)
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 51a9be3..ee01d8f 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -250,8 +250,8 @@ static int bond_changelink(struct net_device *bond_dev,
int packets_per_slave =
nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
- err = bond_option_packets_per_slave_set(bond,
- packets_per_slave);
+ err = __bond_opt_intset(bond, BOND_OPT_PACKETS_PER_SLAVE,
+ packets_per_slave);
if (err)
return err;
}
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 4aa752f..88b5338 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -31,6 +31,12 @@ static struct bond_value_tbl bond_mode_tbl[] = {
{ NULL, -1, 0},
};
+static struct bond_value_tbl bond_pps_tbl[] = {
+ { "default", 1, BOND_VALFLAG_DEFAULT},
+ { "maxval", USHRT_MAX, BOND_VALFLAG_MAX},
+ { NULL, -1, 0},
+};
+
static struct bond_option bond_opts[] = {
[BOND_OPT_MODE] = {
.id = BOND_OPT_MODE,
@@ -41,6 +47,15 @@ static struct bond_option bond_opts[] = {
.values = bond_mode_tbl,
.set = bond_option_mode_set
},
+ [BOND_OPT_PACKETS_PER_SLAVE] = {
+ .id = BOND_OPT_PACKETS_PER_SLAVE,
+ .name = "packets_per_slave",
+ .desc = "Packets to send per slave in RR mode",
+ .valtype = BOND_OPTVAL_INTEGER,
+ .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_ROUNDROBIN)),
+ .values = bond_pps_tbl,
+ .set = bond_option_pps_set
+ },
{ }
};
@@ -982,28 +997,6 @@ 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;
-}
-
int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate)
{
if (bond_parm_tbl_lookup(lacp_rate, bond_lacp_tbl) < 0) {
@@ -1054,3 +1047,15 @@ int bond_option_ad_select_set(struct bonding *bond, int ad_select)
return 0;
}
+
+int bond_option_pps_set(struct bonding *bond, void *newval)
+{
+ int *new_value = newval;
+
+ if (*new_value > 1)
+ bond->params.packets_per_slave = reciprocal_value(*new_value);
+ else
+ bond->params.packets_per_slave = *new_value;
+
+ return 0;
+}
diff --git a/drivers/net/bonding/bond_options.h b/drivers/net/bonding/bond_options.h
index 12c4d4f..9a3a647 100644
--- a/drivers/net/bonding/bond_options.h
+++ b/drivers/net/bonding/bond_options.h
@@ -42,6 +42,7 @@ enum {
/* Option IDs, their bit positions correspond to their IDs */
enum {
BOND_OPT_MODE,
+ BOND_OPT_PACKETS_PER_SLAVE,
BOND_OPT_LAST
};
@@ -82,4 +83,5 @@ struct bond_option *bond_opt_get(unsigned int option);
struct bond_value_tbl *bond_opt_get_val(unsigned int option, int val);
int bond_option_mode_set(struct bonding *bond, void *newval);
+int bond_option_pps_set(struct bonding *bond, void *newval);
#endif /* _BOND_OPTIONS_H */
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 8ce5f4f..2de1bab 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -1375,22 +1375,15 @@ static ssize_t bonding_store_packets_per_slave(struct device *d,
const char *buf, size_t count)
{
struct bonding *bond = to_bond(d);
- int new_value, ret;
-
- if (sscanf(buf, "%d", &new_value) != 1) {
- pr_err("%s: no packets_per_slave value specified.\n",
- bond->dev->name);
- return -EINVAL;
- }
+ int ret;
- if (!rtnl_trylock())
+ ret = bond_opt_tryset_rtnl(bond, BOND_OPT_PACKETS_PER_SLAVE,
+ (char *)buf);
+ if (ret == -EAGAIN)
return restart_syscall();
-
- ret = bond_option_packets_per_slave_set(bond, new_value);
- if (!ret)
+ else if (!ret)
ret = count;
- rtnl_unlock();
return ret;
}
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index 50bbd28..88cd7d7 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -463,8 +463,6 @@ int bond_option_all_slaves_active_set(struct bonding *bond,
int all_slaves_active);
int bond_option_min_links_set(struct bonding *bond, int min_links);
int bond_option_lp_interval_set(struct bonding *bond, int min_links);
-int bond_option_packets_per_slave_set(struct bonding *bond,
- int packets_per_slave);
int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate);
int bond_option_ad_select_set(struct bonding *bond, int ad_select);
struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
--
1.8.1.4
--
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