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Diffstat (limited to 'include/net/ipv6.h')
-rw-r--r--include/net/ipv6.h105
1 files changed, 65 insertions, 40 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index f27fd83d67d8..4a3cd2cd2f5e 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -73,7 +73,6 @@
#define IPV6_ADDR_SCOPE_MASK 0x00f0U
#define IPV6_ADDR_MAPPED 0x1000U
-#define IPV6_ADDR_RESERVED 0x2000U /* reserved address space */
/*
* Addr scopes
@@ -137,17 +136,17 @@ extern struct ctl_path net_ipv6_ctl_path[];
/* MIBs */
#define IP6_INC_STATS(net, idev,field) \
- _DEVINC(net, ipv6, , idev, field)
+ _DEVINC(net, ipv6, 64, idev, field)
#define IP6_INC_STATS_BH(net, idev,field) \
- _DEVINC(net, ipv6, _BH, idev, field)
+ _DEVINC(net, ipv6, 64_BH, idev, field)
#define IP6_ADD_STATS(net, idev,field,val) \
- _DEVADD(net, ipv6, , idev, field, val)
+ _DEVADD(net, ipv6, 64, idev, field, val)
#define IP6_ADD_STATS_BH(net, idev,field,val) \
- _DEVADD(net, ipv6, _BH, idev, field, val)
+ _DEVADD(net, ipv6, 64_BH, idev, field, val)
#define IP6_UPD_PO_STATS(net, idev,field,val) \
- _DEVUPD(net, ipv6, , idev, field, val)
+ _DEVUPD(net, ipv6, 64, idev, field, val)
#define IP6_UPD_PO_STATS_BH(net, idev,field,val) \
- _DEVUPD(net, ipv6, _BH, idev, field, val)
+ _DEVUPD(net, ipv6, 64_BH, idev, field, val)
#define ICMP6_INC_STATS(net, idev, field) \
_DEVINC(net, icmpv6, , idev, field)
#define ICMP6_INC_STATS_BH(net, idev, field) \
@@ -160,8 +159,7 @@ extern struct ctl_path net_ipv6_ctl_path[];
#define ICMP6MSGIN_INC_STATS_BH(net, idev, field) \
_DEVINC(net, icmpv6msg, _BH, idev, field)
-struct ip6_ra_chain
-{
+struct ip6_ra_chain {
struct ip6_ra_chain *next;
struct sock *sk;
int sel;
@@ -176,8 +174,7 @@ extern rwlock_t ip6_ra_lock;
ancillary data and passed to IPv6.
*/
-struct ipv6_txoptions
-{
+struct ipv6_txoptions {
/* Length of this structure */
int tot_len;
@@ -194,8 +191,7 @@ struct ipv6_txoptions
/* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
};
-struct ip6_flowlabel
-{
+struct ip6_flowlabel {
struct ip6_flowlabel *next;
__be32 label;
atomic_t users;
@@ -212,8 +208,7 @@ struct ip6_flowlabel
#define IPV6_FLOWINFO_MASK cpu_to_be32(0x0FFFFFFF)
#define IPV6_FLOWLABEL_MASK cpu_to_be32(0x000FFFFF)
-struct ipv6_fl_socklist
-{
+struct ipv6_fl_socklist {
struct ipv6_fl_socklist *next;
struct ip6_flowlabel *fl;
};
@@ -250,7 +245,9 @@ extern int ipv6_opt_accepted(struct sock *sk, struct sk_buff *skb);
int ip6_frag_nqueues(struct net *net);
int ip6_frag_mem(struct net *net);
-#define IPV6_FRAG_TIMEOUT (60*HZ) /* 60 seconds */
+#define IPV6_FRAG_HIGH_THRESH (256 * 1024) /* 262144 */
+#define IPV6_FRAG_LOW_THRESH (192 * 1024) /* 196608 */
+#define IPV6_FRAG_TIMEOUT (60 * HZ) /* 60 seconds */
extern int __ipv6_addr_type(const struct in6_addr *addr);
static inline int ipv6_addr_type(const struct in6_addr *addr)
@@ -265,7 +262,7 @@ static inline int ipv6_addr_scope(const struct in6_addr *addr)
static inline int __ipv6_addr_src_scope(int type)
{
- return (type == IPV6_ADDR_ANY ? __IPV6_ADDR_SCOPE_INVALID : (type >> 16));
+ return (type == IPV6_ADDR_ANY) ? __IPV6_ADDR_SCOPE_INVALID : (type >> 16);
}
static inline int ipv6_addr_src_scope(const struct in6_addr *addr)
@@ -282,10 +279,10 @@ static inline int
ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m,
const struct in6_addr *a2)
{
- return (!!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) |
- ((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) |
- ((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) |
- ((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3])));
+ return !!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) |
+ ((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) |
+ ((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) |
+ ((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3]));
}
static inline void ipv6_addr_copy(struct in6_addr *a1, const struct in6_addr *a2)
@@ -320,10 +317,10 @@ static inline void ipv6_addr_set(struct in6_addr *addr,
static inline int ipv6_addr_equal(const struct in6_addr *a1,
const struct in6_addr *a2)
{
- return (((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
- (a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
- (a1->s6_addr32[2] ^ a2->s6_addr32[2]) |
- (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0);
+ return ((a1->s6_addr32[0] ^ a2->s6_addr32[0]) |
+ (a1->s6_addr32[1] ^ a2->s6_addr32[1]) |
+ (a1->s6_addr32[2] ^ a2->s6_addr32[2]) |
+ (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0;
}
static inline int __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2,
@@ -354,8 +351,19 @@ static inline int ipv6_prefix_equal(const struct in6_addr *a1,
struct inet_frag_queue;
+enum ip6_defrag_users {
+ IP6_DEFRAG_LOCAL_DELIVER,
+ IP6_DEFRAG_CONNTRACK_IN,
+ __IP6_DEFRAG_CONNTRACK_IN = IP6_DEFRAG_CONNTRACK_IN + USHRT_MAX,
+ IP6_DEFRAG_CONNTRACK_OUT,
+ __IP6_DEFRAG_CONNTRACK_OUT = IP6_DEFRAG_CONNTRACK_OUT + USHRT_MAX,
+ IP6_DEFRAG_CONNTRACK_BRIDGE_IN,
+ __IP6_DEFRAG_CONNTRACK_BRIDGE_IN = IP6_DEFRAG_CONNTRACK_BRIDGE_IN + USHRT_MAX,
+};
+
struct ip6_create_arg {
__be32 id;
+ u32 user;
struct in6_addr *src;
struct in6_addr *dst;
};
@@ -365,20 +373,20 @@ int ip6_frag_match(struct inet_frag_queue *q, void *a);
static inline int ipv6_addr_any(const struct in6_addr *a)
{
- return ((a->s6_addr32[0] | a->s6_addr32[1] |
- a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
+ return (a->s6_addr32[0] | a->s6_addr32[1] |
+ a->s6_addr32[2] | a->s6_addr32[3]) == 0;
}
static inline int ipv6_addr_loopback(const struct in6_addr *a)
{
- return ((a->s6_addr32[0] | a->s6_addr32[1] |
- a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0);
+ return (a->s6_addr32[0] | a->s6_addr32[1] |
+ a->s6_addr32[2] | (a->s6_addr32[3] ^ htonl(1))) == 0;
}
static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
{
- return ((a->s6_addr32[0] | a->s6_addr32[1] |
- (a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0);
+ return (a->s6_addr32[0] | a->s6_addr32[1] |
+ (a->s6_addr32[2] ^ htonl(0x0000ffff))) == 0;
}
/*
@@ -387,8 +395,7 @@ static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
*/
static inline int ipv6_addr_orchid(const struct in6_addr *a)
{
- return ((a->s6_addr32[0] & htonl(0xfffffff0))
- == htonl(0x20010010));
+ return (a->s6_addr32[0] & htonl(0xfffffff0)) == htonl(0x20010010);
}
static inline void ipv6_addr_set_v4mapped(const __be32 addr,
@@ -414,7 +421,7 @@ static inline int __ipv6_addr_diff(const void *token1, const void *token2, int a
for (i = 0; i < addrlen; i++) {
__be32 xb = a1[i] ^ a2[i];
if (xb)
- return i * 32 + 32 - fls(ntohl(xb));
+ return i * 32 + 31 - __fls(ntohl(xb));
}
/*
@@ -433,7 +440,7 @@ static inline int __ipv6_addr_diff(const void *token1, const void *token2, int a
* if returned value is greater than prefix length.
* --ANK (980803)
*/
- return (addrlen << 5);
+ return addrlen << 5;
}
static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_addr *a2)
@@ -441,6 +448,18 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
}
+static __inline__ void ipv6_select_ident(struct frag_hdr *fhdr)
+{
+ static u32 ipv6_fragmentation_id = 1;
+ static DEFINE_SPINLOCK(ip6_id_lock);
+
+ spin_lock_bh(&ip6_id_lock);
+ fhdr->identification = htonl(ipv6_fragmentation_id);
+ if (++ipv6_fragmentation_id == 0)
+ ipv6_fragmentation_id = 1;
+ spin_unlock_bh(&ip6_id_lock);
+}
+
/*
* Prototypes exported by ipv6
*/
@@ -462,8 +481,7 @@ extern int ip6_rcv_finish(struct sk_buff *skb);
extern int ip6_xmit(struct sock *sk,
struct sk_buff *skb,
struct flowi *fl,
- struct ipv6_txoptions *opt,
- int ipfragok);
+ struct ipv6_txoptions *opt);
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,
@@ -484,7 +502,8 @@ extern int ip6_append_data(struct sock *sk,
struct ipv6_txoptions *opt,
struct flowi *fl,
struct rt6_info *rt,
- unsigned int flags);
+ unsigned int flags,
+ int dontfrag);
extern int ip6_push_pending_frames(struct sock *sk);
@@ -531,6 +550,10 @@ extern int ipv6_ext_hdr(u8 nexthdr);
extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
+extern struct in6_addr *fl6_update_dst(struct flowi *fl,
+ const struct ipv6_txoptions *opt,
+ struct in6_addr *orig);
+
/*
* socket options (ipv6_sockglue.c)
*/
@@ -538,7 +561,7 @@ extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
extern int ipv6_setsockopt(struct sock *sk, int level,
int optname,
char __user *optval,
- int optlen);
+ unsigned int optlen);
extern int ipv6_getsockopt(struct sock *sk, int level,
int optname,
char __user *optval,
@@ -547,7 +570,7 @@ extern int compat_ipv6_setsockopt(struct sock *sk,
int level,
int optname,
char __user *optval,
- int optlen);
+ unsigned int optlen);
extern int compat_ipv6_getsockopt(struct sock *sk,
int level,
int optname,
@@ -558,9 +581,11 @@ extern int ip6_datagram_connect(struct sock *sk,
struct sockaddr *addr, int addr_len);
extern int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len);
+extern int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len);
extern void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port,
u32 info, u8 *payload);
extern void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info);
+extern void ipv6_local_rxpmtu(struct sock *sk, struct flowi *fl, u32 mtu);
extern int inet6_release(struct socket *sock);
extern int inet6_bind(struct socket *sock, struct sockaddr *uaddr,
generated by cgit (git 2.34.1) at 2024-06-19 22:33:41 +0000