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@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -207,12 +207,6 @@ static int bond_mode = BOND_MODE_ROUNDROBIN;
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static int xmit_hashtype = BOND_XMIT_POLICY_LAYER2;
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static int lacp_fast;
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const struct bond_parm_tbl bond_lacp_tbl[] = {
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{ "slow", AD_LACP_SLOW},
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{ "fast", AD_LACP_FAST},
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{ NULL, -1},
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};
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const struct bond_parm_tbl pri_reselect_tbl[] = {
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{ "always", BOND_PRI_RESELECT_ALWAYS},
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{ "better", BOND_PRI_RESELECT_BETTER},
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@ -4025,12 +4019,15 @@ static int bond_check_params(struct bond_params *params)
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pr_info("lacp_rate param is irrelevant in mode %s\n",
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bond_mode_name(bond_mode));
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} else {
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lacp_fast = bond_parse_parm(lacp_rate, bond_lacp_tbl);
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if (lacp_fast == -1) {
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bond_opt_initstr(&newval, lacp_rate);
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valptr = bond_opt_parse(bond_opt_get(BOND_OPT_LACP_RATE),
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&newval);
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if (!valptr) {
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pr_err("Error: Invalid lacp rate \"%s\"\n",
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lacp_rate == NULL ? "NULL" : lacp_rate);
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lacp_rate);
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return -EINVAL;
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}
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lacp_fast = valptr->value;
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}
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}
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@ -310,7 +310,8 @@ static int bond_changelink(struct net_device *bond_dev,
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int lacp_rate =
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nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
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err = bond_option_lacp_rate_set(bond, lacp_rate);
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bond_opt_initval(&newval, lacp_rate);
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err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
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if (err)
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return err;
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}
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@ -72,6 +72,12 @@ static struct bond_opt_value bond_intmax_tbl[] = {
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{ "maxval", INT_MAX, BOND_VALFLAG_MAX},
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};
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static struct bond_opt_value bond_lacp_rate_tbl[] = {
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{ "slow", AD_LACP_SLOW, 0},
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{ "fast", AD_LACP_FAST, 0},
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{ NULL, -1, 0},
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};
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static struct bond_option bond_opts[] = {
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[BOND_OPT_MODE] = {
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.id = BOND_OPT_MODE,
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@ -149,7 +155,15 @@ static struct bond_option bond_opts[] = {
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.values = bond_intmax_tbl,
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.set = bond_option_updelay_set
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},
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[BOND_OPT_LACP_RATE] = {
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.id = BOND_OPT_LACP_RATE,
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.name = "lacp_rate",
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.desc = "LACPDU tx rate to request from 802.3ad partner",
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.flags = BOND_OPTFLAG_IFDOWN,
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.unsuppmodes = BOND_MODE_ALL_EX(BIT(BOND_MODE_8023AD)),
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.values = bond_lacp_rate_tbl,
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.set = bond_option_lacp_rate_set
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},
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{ }
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};
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@ -1015,31 +1029,13 @@ int bond_option_pps_set(struct bonding *bond, struct bond_opt_value *newval)
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return 0;
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}
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int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate)
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int bond_option_lacp_rate_set(struct bonding *bond,
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struct bond_opt_value *newval)
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{
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if (bond_parm_tbl_lookup(lacp_rate, bond_lacp_tbl) < 0) {
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pr_err("%s: Ignoring invalid LACP rate value %d.\n",
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bond->dev->name, lacp_rate);
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return -EINVAL;
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}
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if (bond->dev->flags & IFF_UP) {
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pr_err("%s: Unable to update LACP rate because interface is up.\n",
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bond->dev->name);
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return -EPERM;
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}
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if (bond->params.mode != BOND_MODE_8023AD) {
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pr_err("%s: Unable to update LACP rate because bond is not in 802.3ad mode.\n",
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bond->dev->name);
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return -EPERM;
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}
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bond->params.lacp_fast = lacp_rate;
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pr_info("%s: Setting LACP rate to %s (%llu).\n",
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bond->dev->name, newval->string, newval->value);
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bond->params.lacp_fast = newval->value;
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bond_3ad_update_lacp_rate(bond);
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pr_info("%s: Setting LACP rate to %s (%d).\n",
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bond->dev->name, bond_lacp_tbl[lacp_rate].modename,
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lacp_rate);
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return 0;
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}
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@ -48,6 +48,7 @@ enum {
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BOND_OPT_ARP_TARGETS,
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BOND_OPT_DOWNDELAY,
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BOND_OPT_UPDELAY,
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BOND_OPT_LACP_RATE,
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BOND_OPT_LAST
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};
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@ -127,4 +128,6 @@ int bond_option_downdelay_set(struct bonding *bond,
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struct bond_opt_value *newval);
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int bond_option_updelay_set(struct bonding *bond,
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struct bond_opt_value *newval);
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int bond_option_lacp_rate_set(struct bonding *bond,
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struct bond_opt_value *newval);
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#endif /* _BOND_OPTIONS_H */
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@ -548,10 +548,11 @@ static ssize_t bonding_show_lacp(struct device *d,
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char *buf)
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{
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struct bonding *bond = to_bond(d);
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struct bond_opt_value *val;
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return sprintf(buf, "%s %d\n",
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bond_lacp_tbl[bond->params.lacp_fast].modename,
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bond->params.lacp_fast);
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val = bond_opt_get_val(BOND_OPT_LACP_RATE, bond->params.lacp_fast);
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return sprintf(buf, "%s %d\n", val->string, bond->params.lacp_fast);
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}
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static ssize_t bonding_store_lacp(struct device *d,
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@ -559,23 +560,12 @@ static ssize_t bonding_store_lacp(struct device *d,
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const char *buf, size_t count)
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{
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struct bonding *bond = to_bond(d);
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int new_value, ret;
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int ret;
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new_value = bond_parse_parm(buf, bond_lacp_tbl);
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if (new_value < 0) {
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pr_err("%s: Ignoring invalid LACP rate value %.*s.\n",
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bond->dev->name, (int)strlen(buf) - 1, buf);
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return -EINVAL;
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}
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if (!rtnl_trylock())
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return restart_syscall();
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ret = bond_option_lacp_rate_set(bond, new_value);
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ret = bond_opt_tryset_rtnl(bond, BOND_OPT_LACP_RATE, (char *)buf);
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if (!ret)
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ret = count;
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rtnl_unlock();
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return ret;
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}
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static DEVICE_ATTR(lacp_rate, S_IRUGO | S_IWUSR,
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@ -466,7 +466,6 @@ int bond_option_all_slaves_active_set(struct bonding *bond,
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int all_slaves_active);
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int bond_option_min_links_set(struct bonding *bond, int min_links);
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int bond_option_lp_interval_set(struct bonding *bond, int min_links);
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int bond_option_lacp_rate_set(struct bonding *bond, int lacp_rate);
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int bond_option_ad_select_set(struct bonding *bond, int ad_select);
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struct net_device *bond_option_active_slave_get_rcu(struct bonding *bond);
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struct net_device *bond_option_active_slave_get(struct bonding *bond);
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