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Date: Tue, 21 Jan 2014 15:55:01 +0100
From: Nikolay Aleksandrov <nikolay@...hat.com>
To: netdev@...r.kernel.org
Cc: Nikolay Aleksandrov <nikolay@...hat.com>
Subject: [PATCH net-next 12/25] bonding: convert lacp_rate to use the new option API
This patch adds the necessary changes so lacp_rate would use
the new bonding option API. Also some trivial/style error fixes.
Signed-off-by: Nikolay Aleksandrov <nikolay@...hat.com>
---
drivers/net/bonding/bond_main.c | 15 ++++++-------
drivers/net/bonding/bond_netlink.c | 3 ++-
drivers/net/bonding/bond_options.c | 44 +++++++++++++++++---------------------
drivers/net/bonding/bond_options.h | 3 +++
drivers/net/bonding/bond_sysfs.c | 22 ++++++-------------
drivers/net/bonding/bonding.h | 1 -
6 files changed, 37 insertions(+), 51 deletions(-)
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 9de3d35..dd0778c 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -208,12 +208,6 @@ static int bond_mode = BOND_MODE_ROUNDROBIN;
static int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
static int lacp_fast;
-const struct bond_parm_tbl bond_lacp_tbl[] = {
-{ "slow", AD_LACP_SLOW},
-{ "fast", AD_LACP_FAST},
-{ NULL, -1},
-};
-
const struct bond_parm_tbl pri_reselect_tbl[] = {
{ "always", BOND_PRI_RESELECT_ALWAYS},
{ "better", BOND_PRI_RESELECT_BETTER},
@@ -4023,12 +4017,15 @@ static int bond_check_params(struct bond_params *params)
pr_info("lacp_rate param is irrelevant in mode %s\n",
bond_mode_name(bond_mode));
} else {
- lacp_fast = bond_parse_parm(lacp_rate, bond_lacp_tbl);
- if (lacp_fast == -1) {
+ bond_opt_initstr(&newval, lacp_rate);
+ valptr = bond_opt_parse(bond_opt_get(BOND_OPT_LACP_RATE),
+ &newval);
+ if (!valptr) {
pr_err("Error: Invalid lacp rate \"%s\"\n",
- lacp_rate == NULL ? "NULL" : lacp_rate);
+ lacp_rate);
return -EINVAL;
}
+ lacp_fast = valptr->value;
}
}
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index a40a2ec..7737a91 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -311,7 +311,8 @@ static int bond_changelink(struct net_device *bond_dev,
int lacp_rate =
nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
- err = bond_option_lacp_rate_set(bond, lacp_rate);
+ bond_opt_initval(&newval, lacp_rate);
+ err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
if (err)
return err;
}
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index abf6a0d..01cbc7f 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -73,6 +73,12 @@ static struct bond_opt_value bond_intmax_tbl[] = {
{ "maxval", INT_MAX, BOND_VALFLAG_MAX},
};
+static struct bond_opt_value bond_lacp_rate_tbl[] = {
+ { "slow", AD_LACP_SLOW, 0},
+ { "fast", AD_LACP_FAST, 0},
+ { NULL, -1, 0},
+};
+
static struct bond_option bond_opts[] = {
[BOND_OPT_MODE] = {
.id = BOND_OPT_MODE,
@@ -150,7 +156,15 @@ static struct bond_option bond_opts[] = {
.values = bond_intmax_tbl,
.set = bond_option_updelay_set
},
-
+ [BOND_OPT_LACP_RATE] = {
+ .id = BOND_OPT_LACP_RATE,
+ .name = "lacp_rate",
+ .desc = "LACPDU tx rate to request from 802.3ad partner",
+ .flags = BOND_OPTFLAG_IFDOWN,
+ .unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
+ .values = bond_lacp_rate_tbl,
+ .set = bond_option_lacp_rate_set
+ },
{ }
};
@@ -999,31 +1013,13 @@ int bond_option_lp_interval_set(struct bonding *bond, int lp_interval)
return 0;
}
-int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate)
+int bond_option_lacp_rate_set(struct bonding *bond,
+ struct bond_opt_value *newval)
{
- if (bond_parm_tbl_lookup(lacp_rate, bond_lacp_tbl) < 0) {
- pr_err("%s: Ignoring invalid LACP rate value %d.\n",
- bond->dev->name, lacp_rate);
- return -EINVAL;
- }
-
- if (bond->dev->flags & IFF_UP) {
- pr_err("%s: Unable to update LACP rate because interface is up.\n",
- bond->dev->name);
- return -EPERM;
- }
-
- if (bond->params.mode != BOND_MODE_8023AD) {
- pr_err("%s: Unable to update LACP rate because bond is not in 802.3ad mode.\n",
- bond->dev->name);
- return -EPERM;
- }
-
- bond->params.lacp_fast = lacp_rate;
+ pr_info("%s: Setting LACP rate to %s (%llu).\n",
+ bond->dev->name, newval->string, newval->value);
+ bond->params.lacp_fast = newval->value;
bond_3ad_update_lacp_rate(bond);
- pr_info("%s: Setting LACP rate to %s (%d).\n",
- bond->dev->name, bond_lacp_tbl[lacp_rate].modename,
- lacp_rate);
return 0;
}
diff --git a/drivers/net/bonding/bond_options.h b/drivers/net/bonding/bond_options.h
index 594046c..7ee1a78 100644
--- a/drivers/net/bonding/bond_options.h
+++ b/drivers/net/bonding/bond_options.h
@@ -48,6 +48,7 @@ enum {
BOND_OPT_ARP_TARGETS,
BOND_OPT_DOWNDELAY,
BOND_OPT_UPDELAY,
+ BOND_OPT_LACP_RATE,
BOND_OPT_LAST
};
@@ -127,4 +128,6 @@ int bond_option_downdelay_set(struct bonding *bond,
struct bond_opt_value *newval);
int bond_option_updelay_set(struct bonding *bond,
struct bond_opt_value *newval);
+int bond_option_lacp_rate_set(struct bonding *bond,
+ struct bond_opt_value *newval);
#endif /* _BOND_OPTIONS_H */
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 7acc1bb..98288dc 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -549,10 +549,11 @@ static ssize_t bonding_show_lacp(struct device *d,
char *buf)
{
struct bonding *bond = to_bond(d);
+ struct bond_opt_value *val;
- return sprintf(buf, "%s %d\n",
- bond_lacp_tbl[bond->params.lacp_fast].modename,
- bond->params.lacp_fast);
+ val = bond_opt_get_val(BOND_OPT_LACP_RATE, bond->params.lacp_fast);
+
+ return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast);
}
static ssize_t bonding_store_lacp(struct device *d,
@@ -560,23 +561,12 @@ static ssize_t bonding_store_lacp(struct device *d,
const char *buf, size_t count)
{
struct bonding *bond = to_bond(d);
- int new_value, ret;
-
- new_value = bond_parse_parm(buf, bond_lacp_tbl);
- if (new_value < 0) {
- pr_err("%s: Ignoring invalid LACP rate value %.*s.\n",
- bond->dev->name, (int)strlen(buf) - 1, buf);
- return -EINVAL;
- }
-
- if (!rtnl_trylock())
- return restart_syscall();
+ int ret;
- ret = bond_option_lacp_rate_set(bond, new_value);
+ ret = bond_opt_tryset_rtnl(bond, BOND_OPT_LACP_RATE, (char *)buf);
if (!ret)
ret = count;
- rtnl_unlock();
return ret;
}
static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR,
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index e8d4e11..05f4aa0 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -463,7 +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_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);
struct net_device *bond_option_active_slave_get(struct bonding *bond);
--
1.8.4.2
--
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