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Author SHA1 Message Date
Patrick McHardy
e4bd8bce3e [NETFILTER]: nf_conntrack: /proc compatibility with old connection tracking 
This patch adds /proc/net/ip_conntrack, /proc/net/ip_conntrack_expect and
/proc/net/stat/ip_conntrack files to keep old programs using them working.

The /proc/net/ip_conntrack and /proc/net/ip_conntrack_expect files show only
IPv4 entries, the /proc/net/stat/ip_conntrack shows global statistics.

Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:20 -08:00
Patrick McHardy
a999e68376 [NETFILTER]: nf_conntrack: sysctl compatibility with old connection tracking 
This patch adds an option to keep the connection tracking sysctls visible
under their old names.

Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:19 -08:00
Patrick McHardy
d62f9ed4a4 [NETFILTER]: nf_conntrack: automatic sysctl registation for conntrack protocols 
Add helper functions for sysctl registration with optional instantiating
of common path elements (like net/netfilter) and use it for support for
automatic registation of conntrack protocol sysctls.

Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:17 -08:00
Patrick McHardy
f8eb24a89a [NETFILTER]: nf_conntrack: move extern declaration to header files 
Using extern in a C file is a bad idea because the compiler can't
catch type errors.

Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:16 -08:00
Martin Josefsson
824621eddd [NETFILTER]: nf_conntrack: remove unused struct list_head from protocols 
Remove unused struct list_head from struct nf_conntrack_l3proto and
nf_conntrack_l4proto as all protocols are kept in arrays, not linked
lists.

Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:13 -08:00
Martin Josefsson
ae5718fb3d [NETFILTER]: nf_conntrack: more sanity checks in protocol registration/unregistration 
Add some more sanity checks when registering/unregistering l3/l4 protocols.

Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:10 -08:00
Martin Josefsson
605dcad6c8 [NETFILTER]: nf_conntrack: rename struct nf_conntrack_protocol 
Rename 'struct nf_conntrack_protocol' to 'struct nf_conntrack_l4proto' in
order to help distinguish it from 'struct nf_conntrack_l3proto'. It gets
rather confusing with 'nf_conntrack_protocol'.

Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:09 -08:00
Martin Josefsson
f61801218a [NETFILTER]: nf_conntrack: split out the event cache 
This patch splits out the event cache into its own file
nf_conntrack_ecache.c

Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:06 -08:00
Martin Josefsson
7e5d03bb9d [NETFILTER]: nf_conntrack: split out helper handling 
This patch splits out handling of helpers into its own file
nf_conntrack_helper.c

Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:05 -08:00
Martin Josefsson
77ab9cff0f [NETFILTER]: nf_conntrack: split out expectation handling 
This patch splits out expectation handling into its own file
nf_conntrack_expect.c

Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se>
Signed-off-by: Patrick McHardy <kaber@trash.net>
 2006-12-02 21:31:04 -08:00
Gerrit Renker
5aed324369 [DCCP]: Tidy up unused structures 
This removes and cleans up unused variables and structures which have become
unnecessary following the introduction of the EWMA patch to automatically track
the CCID 3 receiver/sender packet sizes `s'.

It deprecates the PACKET_SIZE socket option by returning an error code and
printing a deprecation warning if an application tries to read or write this
socket option.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:59 -08:00
Gerrit Renker
4384260443 [DCCP]: Remove allocation of sysctl numbers 
This is in response to a request sent earlier by Eric W. Biederman
and replaces all sysctl numbers for net.dccp.default with CTL_UNNUMBERED.

It has been tested to compile and to work.

Commiter note: I've removed the use of CTL_UNNUMBERED, not setting .ctl_name
               sets it to 0, that is the what CTL_UNNUMBERED is, reason is
               to avoid unneeded source code cluttering.

Signed-off-by: Gerrit Renker  <gerrit@erg.abdn.ac.uk>
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:56 -08:00
Arnaldo Carvalho de Melo
ee41e2dff1 [INET]: Change protocol field in struct inet_protosw to u16 
[acme@newtoy net-2.6.20]$ pahole /tmp/tcp_ipv6.o inet_protosw
/* /pub/scm/linux/kernel/git/acme/net-2.6.20/include/net/protocol.h:69 */
struct inet_protosw {
        struct list_head           list;                 /*     0     8 */
        short unsigned int         type;                 /*     8     2 */

        /* XXX 2 bytes hole, try to pack */

        int                        protocol;             /*    12     4 */
        struct proto *             prot;                 /*    16     4 */
        const struct proto_ops  *  ops;                  /*    20     4 */
        int                        capability;           /*    24     4 */
        char                       no_check;             /*    28     1 */
        unsigned char              flags;                /*    29     1 */
}; /* size: 32, sum members: 28, holes: 1, sum holes: 2, padding: 2 */

So that we can kill that hole, protocol can only go all the way to 255 (RAW).

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:55 -08:00
Arnaldo Carvalho de Melo
3a137d2065 [TCP]: Renove the __ prefix on the struct tcp_sock members 
As this struct is not userland visible at all.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:54 -08:00
Arnaldo Carvalho de Melo
2ff52f282c [TCP]: Change tcp_header_len member in tcp_sock to u16 
With this we eliminate the last hole in struct tcp_sock.

End result:

[acme@newtoy net-2.6.20]$ codiff -sV /tmp/tcp.o.before net/ipv4/tcp.o
/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv4/tcp.c:
  struct tcp_sock |   -4
    tcp_header_len;
     from: int                   /*  1000(0)     4(0) */
     to:   u16                   /*  1000(0)     2(0) */
 1 struct changed
[acme@newtoy net-2.6.20]$

Now sizeof(tcp_sock) is just...

[acme@newtoy net-2.6.20]$ pahole --sizes ../OUTPUT/qemu/net-2.6.20/net/ipv4/tcp.o | grep -w tcp_sock
struct tcp_sock: 1500 0

1500 bytes ;-)

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:53 -08:00
Arnaldo Carvalho de Melo
46ca5f5dc4 [XFRM]: Pack struct xfrm_policy 
[acme@newtoy net-2.6.20]$ pahole net/ipv4/tcp.o xfrm_policy
/* /pub/scm/linux/kernel/git/acme/net-2.6.20/include/linux/security.h:67 */
struct xfrm_policy {
        struct xfrm_policy *       next;                 /*     0     4 */
        struct hlist_node          bydst;                /*     4     8 */
        struct hlist_node          byidx;                /*    12     8 */
        rwlock_t                   lock;                 /*    20    36 */
        atomic_t                   refcnt;               /*    56     4 */
        struct timer_list          timer;                /*    60    24 */
        u8                         type;                 /*    84     1 */

        /* XXX 3 bytes hole, try to pack */

        u32                        priority;             /*    88     4 */
        u32                        index;                /*    92     4 */
        struct xfrm_selector       selector;             /*    96    56 */
        struct xfrm_lifetime_cfg   lft;                  /*   152    64 */
        struct xfrm_lifetime_cur   curlft;               /*   216    32 */
        struct dst_entry *         bundles;              /*   248     4 */
        __u16                      family;               /*   252     2 */
        __u8                       action;               /*   254     1 */
        __u8                       flags;                /*   255     1 */
        __u8                       dead;                 /*   256     1 */
        __u8                       xfrm_nr;              /*   257     1 */

        /* XXX 2 bytes hole, try to pack */

        struct xfrm_sec_ctx *      security;             /*   260     4 */
        struct xfrm_tmpl           xfrm_vec[6];          /*   264   360 */
}; /* size: 624, sum members: 619, holes: 2, sum holes: 5 */

So lets have just one hole instead of two, by moving 'type' to just before 'action',
end result:

[acme@newtoy net-2.6.20]$ codiff -s /tmp/tcp.o.before net/ipv4/tcp.o
/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv4/tcp.c:
  struct xfrm_policy |   -4
 1 struct changed
[acme@newtoy net-2.6.20]$

[acme@newtoy net-2.6.20]$ pahole -c 64 net/ipv4/tcp.o xfrm_policy
/* /pub/scm/linux/kernel/git/acme/net-2.6.20/include/linux/security.h:67 */
struct xfrm_policy {
        struct xfrm_policy *       next;                 /*     0     4 */
        struct hlist_node          bydst;                /*     4     8 */
        struct hlist_node          byidx;                /*    12     8 */
        rwlock_t                   lock;                 /*    20    36 */
        atomic_t                   refcnt;               /*    56     4 */
        struct timer_list          timer;                /*    60    24 */
        u32                        priority;             /*    84     4 */
        u32                        index;                /*    88     4 */
        struct xfrm_selector       selector;             /*    92    56 */
        struct xfrm_lifetime_cfg   lft;                  /*   148    64 */
        struct xfrm_lifetime_cur   curlft;               /*   212    32 */
        struct dst_entry *         bundles;              /*   244     4 */
        u16                        family;               /*   248     2 */
        u8                         type;                 /*   250     1 */
        u8                         action;               /*   251     1 */
        u8                         flags;                /*   252     1 */
        u8                         dead;                 /*   253     1 */
        u8                         xfrm_nr;              /*   254     1 */

        /* XXX 1 byte hole, try to pack */

        struct xfrm_sec_ctx *      security;             /*   256     4 */
        struct xfrm_tmpl           xfrm_vec[6];          /*   260   360 */
}; /* size: 620, sum members: 619, holes: 1, sum holes: 1 */

Are there any fugly data dependencies here? None that I know.

In the process changed the removed the __ prefixed types, that are just for
userspace visible headers.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:48 -08:00
Arnaldo Carvalho de Melo
d5c42c0ec4 [NET]: Pack struct hh_cache 
[acme@newtoy net-2.6.20]$ pahole net/ipv4/tcp.o hh_cache
/* /pub/scm/linux/kernel/git/acme/net-2.6.20/include/linux/netdevice.h:190 */
struct hh_cache {
        struct hh_cache *          hh_next;              /*     0     4 */
        atomic_t                   hh_refcnt;            /*     4     4 */
        __be16                     hh_type;              /*     8     2 */

        /* XXX 2 bytes hole, try to pack */

        int                        hh_len;               /*    12     4 */
        int                        (*hh_output)();       /*    16     4 */
        rwlock_t                   hh_lock;              /*    20    36 */
        long unsigned int          hh_data[24];          /*    56    96 */
}; /* size: 152, sum members: 150, holes: 1, sum holes: 2 */

[acme@newtoy net-2.6.20]$ find net -name "*.[ch]" | xargs grep 'hh_len.\+=' | sort -u
net/atm/br2684.c:               hh->hh_len = PADLEN + ETH_HLEN;
net/ethernet/eth.c:     hh->hh_len = ETH_HLEN;
net/ipv4/ipconfig.c:    int hh_len = LL_RESERVED_SPACE(dev);
net/ipv4/ip_output.c:   hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
net/ipv4/ip_output.c:   int hh_len = LL_RESERVED_SPACE(dev);
net/ipv4/netfilter.c:   hh_len = (*pskb)->dst->dev->hard_header_len;
net/ipv4/raw.c: hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
net/ipv6/ip6_output.c:  hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
net/ipv6/netfilter/ip6t_REJECT.c:       hh_len = (dst->dev->hard_header_len + 15)&~15;
net/ipv6/raw.c: hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
[acme@newtoy net-2.6.20]$

[acme@newtoy net-2.6.20]$ find include -name "*.h" | xargs grep 'define ETH_HLEN'
include/linux/if_ether.h:#define ETH_HLEN       14              /* Total octets in header.       */

        (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)

[acme@newtoy net-2.6.20]$ pahole net/ipv4/tcp.o net_device | grep hard_header_len
        short unsigned int         hard_header_len;      /*   106     2 */
[acme@newtoy net-2.6.20]$

So I think we're safe in turning hh_len an u16, end result:

[acme@newtoy net-2.6.20]$ codiff -sV /tmp/tcp.o.before net/ipv4/tcp.o
/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv4/tcp.c:
  struct hh_cache |   -4
    hh_len;
     from: int                   /*    12(0)     4(0) */
     to:   u16                   /*    10(0)     2(0) */
 1 struct changed
[acme@newtoy net-2.6.20]$

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:47 -08:00
Arnaldo Carvalho de Melo
850db6b8c5 [INET_CONNECTION_SOCK]: Pack struct inet_connection_sock_af_ops 
We have a hole in:

[acme@newtoy net-2.6.20]$ pahole net/ipv6/tcp_ipv6.o inet_connection_sock_af_ops
/* /pub/scm/linux/kernel/git/acme/net-2.6.20/include/net/inet_connection_sock.h:38 */
struct inet_connection_sock_af_ops {
        int                        (*queue_xmit)();      /*     0     4 */
        void                       (*send_check)();      /*     4     4 */
        int                        (*rebuild_header)();  /*     8     4 */
        int                        (*conn_request)();    /*    12     4 */
        struct sock *              (*syn_recv_sock)();   /*    16     4 */
        int                        (*remember_stamp)();  /*    20     4 */
        __u16                      net_header_len;       /*    24     2 */

        /* XXX 2 bytes hole, try to pack */

        int                        (*setsockopt)();      /*    28     4 */
        int                        (*getsockopt)();      /*    32     4 */
        int                        (*compat_setsockopt)(); /*    36     4 */
        int                        (*compat_getsockopt)(); /*    40     4 */
        void                       (*addr2sockaddr)();   /*    44     4 */
        int                        sockaddr_len;         /*    48     4 */
}; /* size: 52, sum members: 50, holes: 1, sum holes: 2 */

But we don't need sockaddr_len to be an int:

[acme@newtoy net-2.6.20]$ find net -name "*.[ch]" | xargs grep '\.sockaddr_len.\+=' | sort -u
net/dccp/ipv4.c:        .sockaddr_len      = sizeof(struct sockaddr_in),
net/dccp/ipv6.c:        .sockaddr_len      = sizeof(struct sockaddr_in6),
net/ipv4/tcp_ipv4.c:    .sockaddr_len      = sizeof(struct sockaddr_in),
net/ipv6/tcp_ipv6.c:    .sockaddr_len      = sizeof(struct sockaddr_in6),
net/sctp/ipv6.c:        .sockaddr_len      = sizeof(struct sockaddr_in6),
net/sctp/protocol.c:    .sockaddr_len      = sizeof(struct sockaddr_in),

[acme@newtoy net-2.6.20]$ pahole --sizes net/ipv6/tcp_ipv6.o | grep sockaddr_in
struct sockaddr_in: 16 0
struct sockaddr_in6: 28 0
[acme@newtoy net-2.6.20]$

So I turned sockaddr_len a 'u16', and now:

[acme@newtoy net-2.6.20]$ pahole net/ipv6/tcp_ipv6.o inet_connection_sock_af_ops
/* /pub/scm/linux/kernel/git/acme/net-2.6.20/include/net/inet_connection_sock.h:38 */
struct inet_connection_sock_af_ops {
        int            (*queue_xmit)();        /*     0   4 */
        void           (*send_check)();        /*     4   4 */
        int            (*rebuild_header)();    /*     8   4 */
        int            (*conn_request)();      /*    12   4 */
        struct sock *  (*syn_recv_sock)();     /*    16   4 */
        int            (*remember_stamp)();    /*    20   4 */
        u16            net_header_len;         /*    24   2 */
        u16            sockaddr_len;           /*    26   2 */
        int            (*setsockopt)();        /*    28   4 */
        int            (*getsockopt)();        /*    32   4 */
        int            (*compat_setsockopt)(); /*    36   4 */
        int            (*compat_getsockopt)(); /*    40   4 */
        void           (*addr2sockaddr)();     /*    44   4 */
}; /* size: 48 */

So we've saved 4 bytes:

[acme@newtoy net-2.6.20]$ codiff -sV /tmp/tcp_ipv6.o.before net/ipv6/tcp_ipv6.o
/pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/tcp_ipv6.c:
  struct inet_connection_sock_af_ops |   -4
    net_header_len;
     from: __u16                 /*    24(0)     2(0) */
     to:   u16                   /*    24(0)     2(0) */
    sockaddr_len;
     from: int                   /*    48(0)     4(0) */
     to:   u16                   /*    26(0)     2(0) */
 1 struct changed
[acme@newtoy net-2.6.20]$

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:46 -08:00
Gerrit Renker
4c0a6cb0db [UDP(-Lite)]: consolidate v4 and v6 get|setsockopt code 
This patch consolidates set/getsockopt code between UDP(-Lite) v4 and 6. The
justification is that UDP(-Lite) is a transport-layer protocol and therefore
the socket option code (at least in theory) should be AF-independent.

Furthermore, there is the following code reduplication:
 * do_udp{,v6}_getsockopt is 100% identical between v4 and v6
 * do_udp{,v6}_setsockopt is identical up to the following differerence
	--v4 in contrast to v4 additionally allows the experimental encapsulation
          types  UDP_ENCAP_ESPINUDP and UDP_ENCAP_ESPINUDP_NON_IKE
	--the remainder is identical between v4 and v6
   I believe that this difference is of little relevance.

The advantages in not duplicating twice almost completely identical code.

The patch further simplifies the interface of udp{,v6}_push_pending_frames,
since for the second argument (struct udp_sock *up) it always holds that
up = udp_sk(sk); where sk is the first function argument.

Signed-off-by: Gerrit Renker  <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:30:45 -08:00
Thomas Graf
e3703b3de1 [RTNETLINK]: Add rtnl_put_cacheinfo() to unify some code 
IPv4, IPv6, and DECNet all use struct rta_cacheinfo in a similiar
way, therefore rtnl_put_cacheinfo() is added to reuse code.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:30:44 -08:00
Thomas Graf
4e9b826935 [NETLINK]: Remove unused dst_pid field in netlink_skb_parms 
The destination PID is passed directly to netlink_unicast()
respectively netlink_multicast().

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:30:43 -08:00
Gerrit Renker
d61c167dd0 [NET]: Add documentation for TFRC structures 
This adds documentation for the TFRC structure fields.

Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:30:42 -08:00
Thomas Graf
4a89c2562c [DECNET] address: Convert to new netlink interface 
Extends the netlink interface to support the __le16 type and
converts address addition, deletion and, dumping to use the
new netlink interface.

Fixes multiple occasions of possible illegal memory references
due to not validated netlink attributes.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:30:30 -08:00
Al Viro
66c6f529c3 [NET]: net/sched annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:19 -08:00
Al Viro
ff1dcadb1b [NET]: Split skb->csum 
... into anonymous union of __wsum and __u32 (csum and csum_offset resp.)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:18 -08:00
Al Viro
8e5200f540 [NET]: Fix assorted misannotations (from md5 and udplite merges). 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:16 -08:00
Al Viro
2178eda826 [SCTP]: SCTP_CMD_PROCESS_CTSN annotations. 
argument passed as __be32

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:14 -08:00
Al Viro
962c837275 [SCTP]: Netfilter sctp annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:12 -08:00
Al Viro
3dbe86566e [SCTP]: Annotate ->supported_addrs(). 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:11 -08:00
Al Viro
e1857ea28d [SCTP]: sctp_association ->peer.i is a host-endian analog of sctp_inthdr. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:10 -08:00
Al Viro
6fbfa9f951 [SCTP]: Annotate ->inaddr_any(). 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:08 -08:00
Al Viro
c9c938cb05 [SCTP]: flip_to_{h,n}() are not needed anymore. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:07 -08:00
Al Viro
516b20ee2d [SCTP]: ->a_h is gone now. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:05 -08:00
Al Viro
74af924ab6 [SCTP]: ->a_h is gone now. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:27:00 -08:00
Al Viro
80f15d6241 [SCTP]: ->source_h is not used anymore. 
kill it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:57 -08:00
Al Viro
a926626893 [SCTP]: Switch all remaining users of ->saddr_h to ->saddr. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:56 -08:00
Al Viro
dd86d136f9 [SCTP]: Switch ->from_addr_param() to net-endian. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:48 -08:00
Al Viro
854d43a465 [SCTP]: Annotate ->dst_saddr() 
switched to taking a pointer to net-endian sctp_addr
and a net-endian port number.  Instances and callers
adjusted; interestingly enough, the only calls are
direct calls of specific instances - the method is not
used at all.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:35 -08:00
Al Viro
2a6fd78ade [SCTP] embedded sctp_addr: net-endian mirrors 
Add sctp_chunk->source, sctp_sockaddr_entry->a, sctp_transport->ipaddr
and sctp_transport->saddr, maintain them as net-endian mirrors of
their host-endian counterparts.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:30 -08:00
Al Viro
09ef7fecea [SCTP]: Beginning of conversion to net-endian for embedded sctp_addr. 
Part 1: rename sctp_chunk->source, sctp_sockaddr_entry->a,
sctp_transport->ipaddr and sctp_transport->saddr (to ..._h)

The next patch will reintroduce these fields and keep them as
net-endian mirrors of the original (renamed) ones.  Split in
two patches to make sure that we hadn't forgotten any instanes.

Later in the series we'll eliminate uses of host-endian variants
(basically switching users to net-endian counterparts as we
progress through that mess).  Then host-endian ones will die.

Other embedded host-endian sctp_addr will be easier to switch
directly, so we leave them alone for now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:29 -08:00
Al Viro
04afd8b282 [SCTP]: Beginning of sin_port fixes. 
That's going to be a long series.  Introduced temporary helpers
doing copy-and-convert for sctp_addr; they are used to kill
flip-in-place in global data structures and will be used
to gradually push host-endian uses of sctp_addr out of existence.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:24 -08:00
Al Viro
dbc16db1e5 [SCTP]: Trivial sctp endianness annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:23 -08:00
Al Viro
72f17e1c09 [SCTP]: Annotate tsn_dups. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:22 -08:00
Al Viro
dc251b2b1c [SCTP]: SCTP_CMD_INIT_FAILED annotations. 
argument stored for SCTP_CMD_INIT_FAILED is always __be16
(protocol error).  Introduced new field and accessor for
it (SCTP_PERR()); switched to their use (from SCTP_U32() and
.u32)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:20 -08:00
Al Viro
63706c5c6f [SCTP]: sctp_make_op_error() annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:18 -08:00
Al Viro
5bf2db0390 [SCTP]: Annotate sctp_init_cause(). 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:17 -08:00
Al Viro
f3ffaf1468 [SCTP]: Annotate SCTP headers. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:16 -08:00
Adrian Bunk
89c8945815 [IPV6] net/ipv6/sit.c: make 2 functions static 
This patch makes two needlessly global functions static.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:26:15 -08:00
Ian McDonald
82e3ab9dbe [DCCP]: Adds the tx buffer sysctls 
This one got lost on the way from Ian to Gerrit to me, fix it.

Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:24:42 -08:00
Michael Chan
bac0dff6cd [BNX2]: Add 5709 PCI ID. 
Add PCI ID and detection for 5709 copper and SerDes chips.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:24:33 -08:00
Paul Moore
c6b1677a54 NetLabel: use the correct CIPSOv4 MLS label limits 
The CIPSOv4 engine currently has MLS label limits which are slightly larger
than what the draft allows.  This is not a major problem due to the current
implementation but we should fix this so it doesn't bite us later.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
 2006-12-02 21:24:12 -08:00
Paul Moore
701a90bad9 NetLabel: make netlbl_lsm_secattr struct easier/quicker to understand 
The existing netlbl_lsm_secattr struct required the LSM to check all of the
fields to determine if any security attributes were present resulting in a lot
of work in the common case of no attributes.  This patch adds a 'flags' field
which is used to indicate which attributes are present in the structure; this
should allow the LSM to do a quick comparison to determine if the structure
holds any security attributes.

Example:

 if (netlbl_lsm_secattr->flags)
	/* security attributes present */
 else
	/* NO security attributes present */

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
 2006-12-02 21:24:07 -08:00
Paul Moore
c6fa82a9dd NetLabel: change netlbl_secattr_init() to return void 
The netlbl_secattr_init() function would always return 0 making it pointless
to have a return value.  This patch changes the function to return void.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
 2006-12-02 21:24:06 -08:00
Paul Moore
1f758d9354 NetLabel: use gfp_t instead of int where it makes sense 
There were a few places in the NetLabel code where the int type was being used
instead of the gfp_t type, this patch corrects this mistake.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
 2006-12-02 21:24:04 -08:00
Arnaldo Carvalho de Melo
58a5a7b955 [NET]: Conditionally use bh_lock_sock_nested in sk_receive_skb 
Spotted by Ian McDonald, tentatively fixed by Gerrit Renker:

http://www.mail-archive.com/dccp%40vger.kernel.org/msg00599.html

Rewritten not to unroll sk_receive_skb, in the common case, i.e. no lock
debugging, its optimized away.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
 2006-12-02 21:23:51 -08:00
David S. Miller
6bb100b9fc [UDPLite]: udplite.h needs ip6_checksum.h 
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:48 -08:00
Al Viro
1f61ab5ca5 [NET]: Preliminaty annotation of skb->csum. 
It's still not completely right; we need to split it into anon unions
of __wsum and unsigned - for cases when we use it for partial checksum
and for offset of checksum in skb

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:44 -08:00
Al Viro
43bc0ca7ea [NET]: netfilter checksum annotations 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:42 -08:00
Al Viro
f9214b2627 [NET]: ipvs checksum annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:41 -08:00
Al Viro
5c78f275e6 [NET]: IP header modifier helpers annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:40 -08:00
Al Viro
f6ab028804 [NET]: Make mangling a checksum (0 -> 0xffff on the wire) explicit. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:39 -08:00
Al Viro
b51655b958 [NET]: Annotate __skb_checksum_complete() and friends. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:38 -08:00
Al Viro
b1550f2212 [NET]: Annotate ip_vs_checksum_complete() and callers. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:37 -08:00
Al Viro
81d7766276 [NET]: Annotate skb_copy_and_csum_bits() and callers. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:36 -08:00
Al Viro
2bbbc86890 [NET]: Annotate skb_checksum() and callers. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:35 -08:00
Al Viro
5084205faf [NET]: Annotate callers of csum_partial_copy_...() and csum_and_copy...() in net/* 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:33 -08:00
Al Viro
44bb93633f [NET]: Annotate csum_partial() callers in net/* 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:32 -08:00
Al Viro
868c86bcb5 [NET]: annotate csum_ipv6_magic() callers in net/* 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:31 -08:00
Al Viro
6b11687ef0 [NET]: Annotate csum_tcpudp_magic() callers in net/* 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:29 -08:00
Al Viro
d6f5493c1a [NET]: Annotate callers of csum_tcpudp_nofold() in net/* 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:28 -08:00
Al Viro
9981a0e36a [NET]: Annotate checksums in on-the-wire packets. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:26 -08:00
Al Viro
56649d5d3c [NET]: Generic checksum annotations and cleanups. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:25 -08:00
Al Viro
b8e4e01dd5 [NET]: XTENSA checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill csum_partial_copy_fromuser
* kill csum_partial_copy
* kill useless shifts
* usual ntohs->shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:24 -08:00
Al Viro
d5c6393641 [NET]: SPARC64 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill useless shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:23 -08:00
Al Viro
16ec7e168d [NET]: SPARC checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill bogus access_ok() in csum_partial_copy_from_user (the only caller checks)
* kill useless shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:22 -08:00
Al Viro
7c73a746ba [NET]: SH checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill useless shifts
* usual ntohs->shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:22 -08:00
Al Viro
f994aae1bd [NET]: S390 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill useless shifts

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:21 -08:00
Al Viro
879178cfbe [NET]: POWERPC checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill useless shifts

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:20 -08:00
Al Viro
72685fcd28 [NET]: I386 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* usual ntohs->shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:19 -08:00
Al Viro
475b8f311b [NET]: AVR32 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill useless shifts
* kill useless ntohs (it's big-endian, for fsck sake!)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:18 -08:00
Al Viro
0ffb7122bc [NET]: ARM26 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill csum_partial_copy

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:16 -08:00
Al Viro
eb5a965865 [NET]: ARM checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill csum_partial_copy
* usual ntohs->shift, this time in assembler part

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:15 -08:00
Al Viro
a4f89fb7c0 [NET]: X86_64 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* usual ntohs->shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:14 -08:00
Al Viro
9d3d419558 [NET]: V850 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* collapse csum_partial_copy
* usual ntohs->shift

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:13 -08:00
Al Viro
c459dd90f0 [NET]: SH64 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* collapse csum_partial_copy
* kill csum_partial_copy_fromuser
* ntohs->shift in checksum calculation

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:11 -08:00
Al Viro
7814e4b6d6 [NET]: PARISC checksum annotations and cleanups. 
* sanitized prototypes, annotated
* kill shift-by-16 in checksum calculation

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:10 -08:00
Al Viro
8e3d8433d8 [NET]: MIPS checksum annotations and cleanups. 
* sanitize prototypes, annotate
* kill shift-by-16 in checksum calculations
* htons->shift in l-e checksum calculations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:09 -08:00
Al Viro
59ed05a7e8 [NET]: M68Knommu checksum annotations and cleanups. 
* sanitize prototypes, annotated
* collapsed csum_partial_copy()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:08 -08:00
Al Viro
2061acaaae [NET]: M68K checksum annotations and cleanups. 
* sanitize prototypes, annotate

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:07 -08:00
Al Viro
85d20dee20 [NET]: M32R checksum annotations and cleanups. 
* sanitize prototypes, annotate
* ntohs -> shift in checksum calculations in l-e case
* kill shift-by-16 in checksum calculations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:06 -08:00
Al Viro
322529961e [NET]: IA64 checksum annotations and cleanups. 
* sanitize prototypes, annotate
* ntohs -> shift in checksum calculations
* kill access_ok() in csum_partial_copy_from_user
* collapse do_csum_partial_copy_from_user

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:05 -08:00
Al Viro
db521083bc [NET]: H8300 checksum annotations and cleanups. 
* sanitize prototypes and annotate
* collapse csum_partial_copy

NB: csum_partial() is almost certainly still buggy.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:04 -08:00
Al Viro
8042c44b8a [NET]: FRV checksum annotations. 
* sanitize prototypes and annotate
* collapse csum_partial_copy

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:03 -08:00
Al Viro
3532010bcf [NET]: Cris checksum annotations and cleanups. 
* sanitize prototypes and annotate
* kill cast-as-lvalue abuses in csum_partial()
* usual ntohs-equals-shift for checksum purposes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:02 -08:00
Al Viro
9be259aae5 [NET]: Alpha checksum annotations and cleanups. 
* sanitize prototypes and annotate
* kill useless access_ok() in csum_partial_copy_from_user() (the only
caller checks it already).
* do_csum_partial_copy_from_user() is not needed now
* replace htons(len) with len << 8 - they are the same wrt checksums
on little-endian.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:01 -08:00
Al Viro
2bc357987a [NET]: Introduce types for checksums. 
New types - for 16bit checksums and "unfolded" 32bit variant.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:23:00 -08:00
Al Viro
a64b78a077 [NET]: Annotate net_srandom(). 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:22:57 -08:00
Al Viro
47c183fa5e [BRIDGE]: Annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:22:56 -08:00
Al Viro
30d492da73 [ATM]: Annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:22:55 -08:00
Al Viro
42d224aa17 [NETFILTER]: More trivial annotations. 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2006-12-02 21:22:54 -08:00