/** struct ip_options - IP Options
*
* @faddr - Saved first hop address
+ * @nexthop - Saved nexthop address in LSRR and SSRR
* @is_data - Options in __data, rather than skb
* @is_strictroute - Strict source route
* @srr_is_hit - Packet destination addr was our one
*/
struct ip_options {
__be32 faddr;
+ __be32 nexthop;
unsigned char optlen;
unsigned char srr;
unsigned char rr;
struct inet_request_sock {
struct request_sock req;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
u16 inet6_rsk_offset;
#endif
__be16 loc_port;
acked : 1,
no_srccheck: 1;
kmemcheck_bitfield_end(flags);
+ u32 ir_mark;
struct ip_options_rcu *opt;
};
return (struct inet_request_sock *)sk;
}
+static inline u32 inet_request_mark(struct sock *sk, struct sk_buff *skb)
+{
+ if (!sk->sk_mark && sock_net(sk)->ipv4.sysctl_tcp_fwmark_accept)
+ return skb->mark;
+
+ return sk->sk_mark;
+}
+
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;
+ struct dst_entry *dst;
u8 tx_flags;
};
* @tos - TOS
* @mc_ttl - Multicasting TTL
* @is_icsk - is this an inet_connection_sock?
+ * @uc_index - Unicast outgoing device index
* @mc_index - Multicast device index
* @mc_list - Group array
* @cork - info to build ip hdr on each ip frag while socket is corked
struct inet_sock {
/* sk and pinet6 has to be the first two members of inet_sock */
struct sock sk;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
struct ipv6_pinfo *pinet6;
#endif
/* Socket demultiplex comparisons on incoming packets. */
#define inet_daddr sk.__sk_common.skc_daddr
#define inet_rcv_saddr sk.__sk_common.skc_rcv_saddr
+#define inet_addrpair sk.__sk_common.skc_addrpair
+#define inet_dport sk.__sk_common.skc_dport
+#define inet_num sk.__sk_common.skc_num
+#define inet_portpair sk.__sk_common.skc_portpair
- __be16 inet_dport;
- __u16 inet_num;
__be32 inet_saddr;
__s16 uc_ttl;
__u16 cmsg_flags;
__u16 inet_id;
struct ip_options_rcu __rcu *inet_opt;
+ int rx_dst_ifindex;
__u8 tos;
__u8 min_ttl;
__u8 mc_ttl;
transparent:1,
mc_all:1,
nodefrag:1;
+ __u8 rcv_tos;
+ int uc_index;
int mc_index;
__be32 mc_addr;
struct ip_mc_socklist __rcu *mc_list;
memcpy(inet_sk(sk_to) + 1, inet_sk(sk_from) + 1,
sk_from->sk_prot->obj_size - ancestor_size);
}
-#if !(defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE))
+#if !(IS_ENABLED(CONFIG_IPV6))
static inline void inet_sk_copy_descendant(struct sock *sk_to,
const struct sock *sk_from)
{
extern int inet_sk_rebuild_header(struct sock *sk);
extern u32 inet_ehash_secret;
+extern u32 ipv6_hash_secret;
extern void build_ehash_secret(void);
static inline unsigned int inet_ehashfn(struct net *net,
{
__u8 flags = 0;
- if (inet_sk(sk)->transparent)
+ 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;
}