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s390/qeth: drop CONFIG_QETH_IPV6 

commit "s390/qeth: use ip*_eth_mc_map helpers" removed the last
occurrence of CONFIG_IPV6-dependent code.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Julian Wiedmann 2017-12-20 20:10:58 +01:00 committed by David S. Miller
parent 8d9183d6eb
commit c062204f8d
2 changed files with 9 additions and 54 deletions
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3
drivers/s390/net/Kconfig
View File

@ -91,9 +91,6 @@ config QETH_L3
To compile as a module choose M. The module name is qeth_l3.
If unsure, choose Y.
config QETH_IPV6
def_bool y if (QETH_L3 = IPV6) || (QETH_L3 && IPV6 = 'y')
config CCWGROUP
tristate
default (LCS || CTCM || QETH)

60
drivers/s390/net/qeth_l3_main.c
View File

@ -582,7 +582,6 @@ int qeth_l3_setrouting_v6(struct qeth_card *card)
int rc = 0;
QETH_CARD_TEXT(card, 3, "setrtg6");
#ifdef CONFIG_QETH_IPV6
if (!qeth_is_supported(card, IPA_IPV6))
return 0;
@ -599,7 +598,6 @@ int qeth_l3_setrouting_v6(struct qeth_card *card)
" on %s. Type set to 'no router'.\n", rc,
QETH_CARD_IFNAME(card));
}
#endif
return rc;
}
@ -933,7 +931,6 @@ static int qeth_l3_setadapter_parms(struct qeth_card *card)
return rc;
}
#ifdef CONFIG_QETH_IPV6
static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card,
enum qeth_ipa_funcs ipa_func, __u16 cmd_code)
{
@ -949,7 +946,6 @@ static int qeth_l3_send_simple_setassparms_ipv6(struct qeth_card *card,
qeth_setassparms_cb, NULL);
return rc;
}
#endif
static int qeth_l3_start_ipa_arp_processing(struct qeth_card *card)
{
@ -1045,7 +1041,6 @@ static int qeth_l3_start_ipa_multicast(struct qeth_card *card)
return rc;
}
#ifdef CONFIG_QETH_IPV6
static int qeth_l3_softsetup_ipv6(struct qeth_card *card)
{
int rc;
@ -1091,12 +1086,9 @@ out:
dev_info(&card->gdev->dev, "IPV6 enabled\n");
return 0;
}
#endif
static int qeth_l3_start_ipa_ipv6(struct qeth_card *card)
{
int rc = 0;
QETH_CARD_TEXT(card, 3, "strtipv6");
if (!qeth_is_supported(card, IPA_IPV6)) {
@ -1104,10 +1096,7 @@ static int qeth_l3_start_ipa_ipv6(struct qeth_card *card)
"IPv6 not supported on %s\n", QETH_CARD_IFNAME(card));
return 0;
}
#ifdef CONFIG_QETH_IPV6
rc = qeth_l3_softsetup_ipv6(card);
#endif
return rc ;
return qeth_l3_softsetup_ipv6(card);
}
static int qeth_l3_start_ipa_broadcast(struct qeth_card *card)
@ -1457,9 +1446,8 @@ unlock:
rcu_read_unlock();
}
#ifdef CONFIG_QETH_IPV6
static void
qeth_l3_add_mc6_to_hash(struct qeth_card *card, struct inet6_dev *in6_dev)
static void qeth_l3_add_mc6_to_hash(struct qeth_card *card,
struct inet6_dev *in6_dev)
{
struct qeth_ipaddr *ipm;
struct ifmcaddr6 *im6;
@ -1548,7 +1536,6 @@ static void qeth_l3_add_multicast_ipv6(struct qeth_card *card)
rcu_read_unlock();
in6_dev_put(in6_dev);
}
#endif /* CONFIG_QETH_IPV6 */
static void qeth_l3_free_vlan_addresses4(struct qeth_card *card,
unsigned short vid)
@ -1588,9 +1575,8 @@ out:
}
static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
unsigned short vid)
unsigned short vid)
{
#ifdef CONFIG_QETH_IPV6
struct inet6_dev *in6_dev;
struct inet6_ifaddr *ifa;
struct qeth_ipaddr *addr;
@ -1625,7 +1611,6 @@ static void qeth_l3_free_vlan_addresses6(struct qeth_card *card,
kfree(addr);
out:
in6_dev_put(in6_dev);
#endif /* CONFIG_QETH_IPV6 */
}
static void qeth_l3_free_vlan_addresses(struct qeth_card *card,
@ -1676,19 +1661,11 @@ static void qeth_l3_rebuild_skb(struct qeth_card *card, struct sk_buff *skb,
skb_reset_network_header(skb);
switch (hdr->hdr.l3.flags & QETH_HDR_CAST_MASK) {
case QETH_CAST_MULTICAST:
switch (prot) {
#ifdef CONFIG_QETH_IPV6
case ETH_P_IPV6:
ipv6_eth_mc_map(&ipv6_hdr(skb)->daddr, tg_addr);
break;
#endif
case ETH_P_IP:
if (prot == ETH_P_IP)
ip_eth_mc_map(ip_hdr(skb)->daddr, tg_addr);
break;
default:
memcpy(tg_addr, card->dev->broadcast,
card->dev->addr_len);
}
else
ipv6_eth_mc_map(&ipv6_hdr(skb)->daddr, tg_addr);
card->stats.multicast++;
skb->pkt_type = PACKET_MULTICAST;
break;
@ -1949,9 +1926,7 @@ static void qeth_l3_set_multicast_list(struct net_device *dev)
qeth_l3_mark_all_mc_to_be_deleted(card);
qeth_l3_add_multicast_ipv4(card);
#ifdef CONFIG_QETH_IPV6
qeth_l3_add_multicast_ipv6(card);
#endif
qeth_l3_delete_nonused_mc(card);
qeth_l3_add_all_new_mc(card);
@ -2222,12 +2197,10 @@ static int qeth_l3_arp_query(struct qeth_card *card, char __user *udata)
rc = -EFAULT;
goto free_and_out;
}
#ifdef CONFIG_QETH_IPV6
if (qinfo.mask_bits & QETH_QARP_WITH_IPV6) {
/* fails in case of GuestLAN QDIO mode */
qeth_l3_query_arp_cache_info(card, QETH_PROT_IPV6, &qinfo);
}
#endif
if (copy_to_user(udata, qinfo.udata, qinfo.udata_len)) {
QETH_CARD_TEXT(card, 4, "qactf");
rc = -EFAULT;
@ -3356,10 +3329,6 @@ static struct notifier_block qeth_l3_ip_notifier = {
NULL,
};
#ifdef CONFIG_QETH_IPV6
/**
* IPv6 event handler
*/
static int qeth_l3_ip6_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
@ -3404,7 +3373,6 @@ static struct notifier_block qeth_l3_ip6_notifier = {
qeth_l3_ip6_event,
NULL,
};
#endif
static int qeth_l3_register_notifiers(void)
{
@ -3414,35 +3382,25 @@ static int qeth_l3_register_notifiers(void)
rc = register_inetaddr_notifier(&qeth_l3_ip_notifier);
if (rc)
return rc;
#ifdef CONFIG_QETH_IPV6
rc = register_inet6addr_notifier(&qeth_l3_ip6_notifier);
if (rc) {
unregister_inetaddr_notifier(&qeth_l3_ip_notifier);
return rc;
}
#else
pr_warn("There is no IPv6 support for the layer 3 discipline\n");
#endif
return 0;
}
static void qeth_l3_unregister_notifiers(void)
{
QETH_DBF_TEXT(SETUP, 5, "unregnot");
WARN_ON(unregister_inetaddr_notifier(&qeth_l3_ip_notifier));
#ifdef CONFIG_QETH_IPV6
WARN_ON(unregister_inet6addr_notifier(&qeth_l3_ip6_notifier));
#endif /* QETH_IPV6 */
}
static int __init qeth_l3_init(void)
{
int rc = 0;
pr_info("register layer 3 discipline\n");
rc = qeth_l3_register_notifiers();
return rc;
return qeth_l3_register_notifiers();
}
static void __exit qeth_l3_exit(void)