Commit d3131de7 authored by Nikolay Aleksandrov's avatar Nikolay Aleksandrov Committed by David S. Miller
Browse files

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: default avatarNikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e4994612
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+6 −9
Original line number Diff line number Diff line
@@ -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;
		}
	}

+2 −1
Original line number Diff line number Diff line
@@ -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;
	}
+20 −24
Original line number Diff line number Diff line
@@ -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 −0
Original line number Diff line number Diff line
@@ -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 */
+6 −16
Original line number Diff line number Diff line
@@ -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;

	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,
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