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bonding: convert lacp_rate to use the new option API

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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@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nikolay Aleksandrov 2014-01-22 14:53:27 +01:00 committed by David S. Miller
parent e499461275
commit d3131de76b
6 changed files with 37 additions and 51 deletions
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15
drivers/net/bonding/bond_main.c
View File

@ -207,12 +207,6 @@ 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},
@ -4025,12 +4019,15 @@ 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;
}
}

3
drivers/net/bonding/bond_netlink.c
View File

@ -310,7 +310,8 @@ 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;
}

44
drivers/net/bonding/bond_options.c
View File

@ -72,6 +72,12 @@ 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,
@ -149,7 +155,15 @@ 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
},
{ }
};
@ -1015,31 +1029,13 @@ int bond_option_pps_set(struct bonding *bond, struct bond_opt_value *newval)
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;
}

3
drivers/net/bonding/bond_options.h
View File

@ -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 */

22
drivers/net/bonding/bond_sysfs.c
View File

@ -548,10 +548,11 @@ 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,
@ -559,23 +560,12 @@ 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;
int 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();
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,

1
drivers/net/bonding/bonding.h
View File

@ -466,7 +466,6 @@ 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);