X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Finet_connection_sock.h;h=9bf73fe50948e71345ab701e029dc0194b5bda2d;hb=71d530cd1b6d97094481002a04c77fea1c8e1c22;hp=e50e2b890c6d5fd6b8abe3789255510003508f40;hpb=af05dc9394feb193d221bc9d4c6db768facb4b40;p=linux-2.6 diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index e50e2b890c..9bf73fe509 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -16,9 +16,10 @@ #define _INET_CONNECTION_SOCK_H #include -#include #include #include + +#include #include #define INET_CSK_DEBUG 1 @@ -49,6 +50,12 @@ struct inet_connection_sock_af_ops { char __user *optval, int optlen); int (*getsockopt)(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); + int (*compat_setsockopt)(struct sock *sk, + int level, int optname, + char __user *optval, int optlen); + int (*compat_getsockopt)(struct sock *sk, + int level, int optname, + char __user *optval, int __user *optlen); void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); int sockaddr_len; }; @@ -60,6 +67,7 @@ struct inet_connection_sock_af_ops { * @icsk_timeout: Timeout * @icsk_retransmit_timer: Resend (no ack) * @icsk_rto: Retransmit timeout + * @icsk_pmtu_cookie Last pmtu seen by socket * @icsk_ca_ops Pluggable congestion control hook * @icsk_af_ops Operations which are AF_INET{4,6} specific * @icsk_ca_state: Congestion control state @@ -68,7 +76,9 @@ struct inet_connection_sock_af_ops { * @icsk_backoff: Backoff * @icsk_syn_retries: Number of allowed SYN (or equivalent) retries * @icsk_probes_out: unanswered 0 window probes + * @icsk_ext_hdr_len: Network protocol overhead (IP/IPv6 options) * @icsk_ack: Delayed ACK control data + * @icsk_mtup; MTU probing control data */ struct inet_connection_sock { /* inet_sock has to be the first member! */ @@ -79,15 +89,17 @@ struct inet_connection_sock { struct timer_list icsk_retransmit_timer; struct timer_list icsk_delack_timer; __u32 icsk_rto; - struct tcp_congestion_ops *icsk_ca_ops; - struct inet_connection_sock_af_ops *icsk_af_ops; + __u32 icsk_pmtu_cookie; + const struct tcp_congestion_ops *icsk_ca_ops; + const struct inet_connection_sock_af_ops *icsk_af_ops; + unsigned int (*icsk_sync_mss)(struct sock *sk, u32 pmtu); __u8 icsk_ca_state; __u8 icsk_retransmits; __u8 icsk_pending; __u8 icsk_backoff; __u8 icsk_syn_retries; __u8 icsk_probes_out; - /* 2 BYTES HOLE, TRY TO PACK! */ + __u16 icsk_ext_hdr_len; struct { __u8 pending; /* ACK is pending */ __u8 quick; /* Scheduled number of quick acks */ @@ -99,6 +111,16 @@ struct inet_connection_sock { __u16 last_seg_size; /* Size of last incoming segment */ __u16 rcv_mss; /* MSS used for delayed ACK decisions */ } icsk_ack; + struct { + int enabled; + + /* Range of MTUs to search */ + int search_high; + int search_low; + + /* Information on the current probe. */ + int probe_size; + } icsk_mtup; u32 icsk_ca_priv[16]; #define ICSK_CA_PRIV_SIZE (16 * sizeof(u32)) }; @@ -305,4 +327,13 @@ extern void inet_csk_listen_stop(struct sock *sk); extern void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr); +extern int inet_csk_ctl_sock_create(struct socket **sock, + unsigned short family, + unsigned short type, + unsigned char protocol); + +extern int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname, + char __user *optval, int __user *optlen); +extern int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname, + char __user *optval, int optlen); #endif /* _INET_CONNECTION_SOCK_H */