2 * NET Generic infrastructure for Network protocols.
4 * Definitions for request_sock
6 * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
8 * From code originally in include/net/tcp.h
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
15 #ifndef _REQUEST_SOCK_H
16 #define _REQUEST_SOCK_H
18 #include <linux/slab.h>
19 #include <linux/types.h>
31 int (*rtx_syn_ack
)(struct sock
*sk
,
32 struct open_request
*req
,
33 struct dst_entry
*dst
);
34 void (*send_ack
)(struct sk_buff
*skb
,
35 struct open_request
*req
);
36 void (*send_reset
)(struct sk_buff
*skb
);
37 void (*destructor
)(struct open_request
*req
);
40 /* struct open_request - mini sock to represent a connection request
43 struct open_request
*dl_next
; /* Must be first member! */
47 /* The following two fields can be easily recomputed I think -AK */
48 u32 window_clamp
; /* window clamp at creation time */
49 u32 rcv_wnd
; /* rcv_wnd offered first time */
51 unsigned long expires
;
52 struct or_calltable
*class;
56 static inline struct open_request
*tcp_openreq_alloc(struct or_calltable
*class)
58 struct open_request
*req
= kmem_cache_alloc(class->slab
, SLAB_ATOMIC
);
66 static inline void tcp_openreq_fastfree(struct open_request
*req
)
68 kmem_cache_free(req
->class->slab
, req
);
71 static inline void tcp_openreq_free(struct open_request
*req
)
73 req
->class->destructor(req
);
74 tcp_openreq_fastfree(req
);
77 #endif /* _REQUEST_SOCK_H */