#define _INET_SOCK_H
+#include <linux/kmemcheck.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/jhash.h>
+#include <linux/netdevice.h>
#include <net/flow.h>
#include <net/sock.h>
#include <net/request_sock.h>
-#include <net/route.h>
+#include <net/netns/hash.h>
/** struct ip_options - IP Options
*
unsigned char __data[0];
};
-#define optlength(opt) (sizeof(struct ip_options) + opt->optlen)
+struct ip_options_rcu {
+ struct rcu_head rcu;
+ struct ip_options opt;
+};
+
+struct ip_options_data {
+ struct ip_options_rcu opt;
+ char data[40];
+};
struct inet_request_sock {
struct request_sock req;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
u16 inet6_rsk_offset;
- /* 2 bytes hole, try to pack */
#endif
+ __be16 loc_port;
__be32 loc_addr;
__be32 rmt_addr;
__be16 rmt_port;
- u16 snd_wscale : 4,
- rcv_wscale : 4,
+ kmemcheck_bitfield_begin(flags);
+ u16 snd_wscale : 4,
+ rcv_wscale : 4,
tstamp_ok : 1,
sack_ok : 1,
wscale_ok : 1,
ecn_ok : 1,
- acked : 1;
- struct ip_options *opt;
+ acked : 1,
+ no_srccheck: 1;
+ kmemcheck_bitfield_end(flags);
+ struct ip_options_rcu *opt;
};
static inline struct inet_request_sock *inet_rsk(const struct request_sock *sk)
return (struct inet_request_sock *)sk;
}
+struct inet_cork {
+ unsigned int flags;
+ __be32 addr;
+ struct ip_options *opt;
+ unsigned int fragsize;
+ struct dst_entry *dst;
+ int length; /* Total length of all frames */
+ struct page *page;
+ u32 off;
+ u8 tx_flags;
+};
+
+struct inet_cork_full {
+ struct inet_cork base;
+ struct flowi fl;
+};
+
struct ip_mc_socklist;
struct ipv6_pinfo;
struct rtable;
*
* @sk - ancestor class
* @pinet6 - pointer to IPv6 control block
- * @daddr - Foreign IPv4 addr
- * @rcv_saddr - Bound local IPv4 addr
- * @dport - Destination port
- * @num - Local port
- * @saddr - Sending source
+ * @inet_daddr - Foreign IPv4 addr
+ * @inet_rcv_saddr - Bound local IPv4 addr
+ * @inet_dport - Destination port
+ * @inet_num - Local port
+ * @inet_saddr - Sending source
* @uc_ttl - Unicast TTL
- * @sport - Source port
- * @id - ID counter for DF pkts
+ * @inet_sport - Source port
+ * @inet_id - ID counter for DF pkts
* @tos - TOS
* @mc_ttl - Multicasting TTL
* @is_icsk - is this an inet_connection_sock?
struct ipv6_pinfo *pinet6;
#endif
/* Socket demultiplex comparisons on incoming packets. */
- __be32 daddr;
- __be32 rcv_saddr;
- __be16 dport;
- __u16 num;
- __be32 saddr;
+#define inet_daddr sk.__sk_common.skc_daddr
+#define inet_rcv_saddr sk.__sk_common.skc_rcv_saddr
+
+ __be16 inet_dport;
+ __u16 inet_num;
+ __be32 inet_saddr;
__s16 uc_ttl;
__u16 cmsg_flags;
- struct ip_options *opt;
- __be16 sport;
- __u16 id;
+ __be16 inet_sport;
+ __u16 inet_id;
+
+ struct ip_options_rcu __rcu *inet_opt;
__u8 tos;
+ __u8 min_ttl;
__u8 mc_ttl;
__u8 pmtudisc;
__u8 recverr:1,
is_icsk:1,
freebind:1,
hdrincl:1,
- mc_loop:1;
+ mc_loop:1,
+ transparent:1,
+ mc_all:1,
+ nodefrag:1;
int mc_index;
__be32 mc_addr;
- struct ip_mc_socklist *mc_list;
- struct {
- unsigned int flags;
- unsigned int fragsize;
- struct ip_options *opt;
- struct dst_entry *dst;
- int length; /* Total length of all frames */
- __be32 addr;
- struct flowi fl;
- } cork;
+ struct ip_mc_socklist __rcu *mc_list;
+ struct inet_cork_full cork;
};
#define IPCORK_OPT 1 /* ip-options has been held in ipcork.opt */
extern u32 inet_ehash_secret;
extern void build_ehash_secret(void);
-static inline unsigned int inet_ehashfn(const __be32 laddr, const __u16 lport,
+static inline unsigned int inet_ehashfn(struct net *net,
+ const __be32 laddr, const __u16 lport,
const __be32 faddr, const __be16 fport)
{
return jhash_3words((__force __u32) laddr,
(__force __u32) faddr,
((__u32) lport) << 16 | (__force __u32)fport,
- inet_ehash_secret);
+ inet_ehash_secret + net_hash_mix(net));
}
static inline int inet_sk_ehashfn(const struct sock *sk)
{
const struct inet_sock *inet = inet_sk(sk);
- const __be32 laddr = inet->rcv_saddr;
- const __u16 lport = inet->num;
- const __be32 faddr = inet->daddr;
- const __be16 fport = inet->dport;
-
- return inet_ehashfn(laddr, lport, faddr, fport);
-}
-
+ const __be32 laddr = inet->inet_rcv_saddr;
+ const __u16 lport = inet->inet_num;
+ const __be32 faddr = inet->inet_daddr;
+ const __be16 fport = inet->inet_dport;
+ struct net *net = sock_net(sk);
-static inline int inet_iif(const struct sk_buff *skb)
-{
- return skb->rtable->rt_iif;
+ return inet_ehashfn(net, laddr, lport, faddr, fport);
}
static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
{
struct request_sock *req = reqsk_alloc(ops);
+ struct inet_request_sock *ireq = inet_rsk(req);
- if (req != NULL)
- inet_rsk(req)->opt = NULL;
+ if (req != NULL) {
+ kmemcheck_annotate_bitfield(ireq, flags);
+ ireq->opt = NULL;
+ }
return req;
}
+static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
+{
+ __u8 flags = 0;
+
+ if (inet_sk(sk)->transparent || inet_sk(sk)->hdrincl)
+ flags |= FLOWI_FLAG_ANYSRC;
+ if (sk->sk_protocol == IPPROTO_TCP)
+ flags |= FLOWI_FLAG_PRECOW_METRICS;
+ return flags;
+}
+
#endif /* _INET_SOCK_H */