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Diffstat (limited to 'net/bridge/br_multicast.c')
-rw-r--r--net/bridge/br_multicast.c45
1 files changed, 23 insertions, 22 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index a5f4e576980..568d5bf1753 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -24,7 +24,7 @@
#include <linux/slab.h>
#include <linux/timer.h>
#include <net/ip.h>
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
#include <net/ipv6.h>
#include <net/mld.h>
#include <net/addrconf.h>
@@ -36,7 +36,7 @@
#define mlock_dereference(X, br) \
rcu_dereference_protected(X, lockdep_is_held(&br->multicast_lock))
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static inline int ipv6_is_transient_multicast(const struct in6_addr *addr)
{
if (ipv6_addr_is_multicast(addr) && IPV6_ADDR_MC_FLAG_TRANSIENT(addr))
@@ -52,7 +52,7 @@ static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b)
switch (a->proto) {
case htons(ETH_P_IP):
return a->u.ip4 == b->u.ip4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
return ipv6_addr_equal(&a->u.ip6, &b->u.ip6);
#endif
@@ -65,7 +65,7 @@ static inline int __br_ip4_hash(struct net_bridge_mdb_htable *mdb, __be32 ip)
return jhash_1word(mdb->secret, (__force u32)ip) & (mdb->max - 1);
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static inline int __br_ip6_hash(struct net_bridge_mdb_htable *mdb,
const struct in6_addr *ip)
{
@@ -79,7 +79,7 @@ static inline int br_ip_hash(struct net_bridge_mdb_htable *mdb,
switch (ip->proto) {
case htons(ETH_P_IP):
return __br_ip4_hash(mdb, ip->u.ip4);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
return __br_ip6_hash(mdb, &ip->u.ip6);
#endif
@@ -121,13 +121,13 @@ static struct net_bridge_mdb_entry *br_mdb_ip4_get(
return br_mdb_ip_get(mdb, &br_dst);
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static struct net_bridge_mdb_entry *br_mdb_ip6_get(
struct net_bridge_mdb_htable *mdb, const struct in6_addr *dst)
{
struct br_ip br_dst;
- ipv6_addr_copy(&br_dst.u.ip6, dst);
+ br_dst.u.ip6 = *dst;
br_dst.proto = htons(ETH_P_IPV6);
return br_mdb_ip_get(mdb, &br_dst);
@@ -152,9 +152,9 @@ struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
case htons(ETH_P_IP):
ip.u.ip4 = ip_hdr(skb)->daddr;
break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
- ipv6_addr_copy(&ip.u.ip6, &ipv6_hdr(skb)->daddr);
+ ip.u.ip6 = ipv6_hdr(skb)->daddr;
break;
#endif
default:
@@ -411,7 +411,7 @@ out:
return skb;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
const struct in6_addr *group)
{
@@ -474,7 +474,7 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
mldq->mld_cksum = 0;
mldq->mld_maxdelay = htons((u16)jiffies_to_msecs(interval));
mldq->mld_reserved = 0;
- ipv6_addr_copy(&mldq->mld_mca, group);
+ mldq->mld_mca = *group;
/* checksum */
mldq->mld_cksum = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
@@ -496,7 +496,7 @@ static struct sk_buff *br_multicast_alloc_query(struct net_bridge *br,
switch (addr->proto) {
case htons(ETH_P_IP):
return br_ip4_multicast_alloc_query(br, addr->u.ip4);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
return br_ip6_multicast_alloc_query(br, &addr->u.ip6);
#endif
@@ -773,7 +773,7 @@ static int br_ip4_multicast_add_group(struct net_bridge *br,
return br_multicast_add_group(br, port, &br_group);
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static int br_ip6_multicast_add_group(struct net_bridge *br,
struct net_bridge_port *port,
const struct in6_addr *group)
@@ -783,7 +783,7 @@ static int br_ip6_multicast_add_group(struct net_bridge *br,
if (!ipv6_is_transient_multicast(group))
return 0;
- ipv6_addr_copy(&br_group.u.ip6, group);
+ br_group.u.ip6 = *group;
br_group.proto = htons(ETH_P_IPV6);
return br_multicast_add_group(br, port, &br_group);
@@ -845,7 +845,7 @@ static void br_multicast_send_query(struct net_bridge *br,
br_group.proto = htons(ETH_P_IP);
__br_multicast_send_query(br, port, &br_group);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
br_group.proto = htons(ETH_P_IPV6);
__br_multicast_send_query(br, port, &br_group);
#endif
@@ -989,7 +989,7 @@ static int br_ip4_multicast_igmp3_report(struct net_bridge *br,
return err;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static int br_ip6_multicast_mld2_report(struct net_bridge *br,
struct net_bridge_port *port,
struct sk_buff *skb)
@@ -1185,7 +1185,7 @@ out:
return err;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static int br_ip6_multicast_query(struct net_bridge *br,
struct net_bridge_port *port,
struct sk_buff *skb)
@@ -1334,7 +1334,7 @@ static void br_ip4_multicast_leave_group(struct net_bridge *br,
br_multicast_leave_group(br, port, &br_group);
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static void br_ip6_multicast_leave_group(struct net_bridge *br,
struct net_bridge_port *port,
const struct in6_addr *group)
@@ -1344,7 +1344,7 @@ static void br_ip6_multicast_leave_group(struct net_bridge *br,
if (!ipv6_is_transient_multicast(group))
return;
- ipv6_addr_copy(&br_group.u.ip6, group);
+ br_group.u.ip6 = *group;
br_group.proto = htons(ETH_P_IPV6);
br_multicast_leave_group(br, port, &br_group);
@@ -1449,7 +1449,7 @@ err_out:
return err;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
static int br_multicast_ipv6_rcv(struct net_bridge *br,
struct net_bridge_port *port,
struct sk_buff *skb)
@@ -1458,6 +1458,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
const struct ipv6hdr *ip6h;
u8 icmp6_type;
u8 nexthdr;
+ __be16 frag_off;
unsigned len;
int offset;
int err;
@@ -1483,7 +1484,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
return -EINVAL;
nexthdr = ip6h->nexthdr;
- offset = ipv6_skip_exthdr(skb, sizeof(*ip6h), &nexthdr);
+ offset = ipv6_skip_exthdr(skb, sizeof(*ip6h), &nexthdr, &frag_off);
if (offset < 0 || nexthdr != IPPROTO_ICMPV6)
return 0;
@@ -1595,7 +1596,7 @@ int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port,
switch (skb->protocol) {
case htons(ETH_P_IP):
return br_multicast_ipv4_rcv(br, port, skb);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case htons(ETH_P_IPV6):
return br_multicast_ipv6_rcv(br, port, skb);
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-09 02:03:09 +0000