- 08 Feb, 2007 40 commits
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Eric Dumazet authored
I believe dead code from sock_from_file() can be cleaned up. All sockets are now built using sock_attach_fd(), that puts the 'sock' pointer into file->private_data and &socket_file_ops into file->f_op I could not find a place where file->private_data could be set to NULL, keeping opened the file. So to get 'sock' from a 'file' pointer, either : - This is a socket file (f_op == &socket_file_ops), and we can directly get 'sock' from private_data. - This is not a socket, we return -ENOTSOCK and dont even try to find a socket via dentry/inode :) Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
ehash table layout is currently this one : First half of this table is used by sockets not in TIME_WAIT state Second half of it is used by sockets in TIME_WAIT state. This is non optimal because of for a given hash or socket, the two chain heads are located in separate cache lines. Moreover the locks of the second half are never used. If instead of this halving, we use two list heads in inet_ehash_bucket instead of only one, we probably can avoid one cache miss, and reduce ram usage, particularly if sizeof(rwlock_t) is big (various CONFIG_DEBUG_SPINLOCK, CONFIG_DEBUG_LOCK_ALLOC settings). So we still halves the table but we keep together related chains to speedup lookups and socket state change. In this patch I did not try to align struct inet_ehash_bucket, but a future patch could try to make this structure have a convenient size (a power of two or a multiple of L1_CACHE_SIZE). I guess rwlock will just vanish as soon as RCU is plugged into ehash :) , so maybe we dont need to scratch our heads to align the bucket... Note : In case struct inet_ehash_bucket is not a power of two, we could probably change alloc_large_system_hash() (in case it use __get_free_pages()) to free the unused space. It currently allocates a big zone, but the last quarter of it could be freed. Again, this should be a temporary 'problem'. Patch tested on ipv4 tcp only, but should be OK for IPV6 and DCCP. Signed-off-by:
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Jennifer Hunt authored
From: Jennifer Hunt <jenhunt@us.ibm.com> This patch adds AF_IUCV socket support. Signed-off-by:
Frank Pavlic <fpavlic@de.ibm.com> Signed-off-by:
Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by:
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Martin Schwidefsky authored
Adapt special message interface to new IUCV API Signed-off-by:
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Martin Schwidefsky authored
Adapt netiucv network device driver to new IUCV API Signed-off-by:
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Martin Schwidefsky authored
Adapt vmlogrdr character device driver to new IUCV API Signed-off-by:
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Martin Schwidefsky authored
Adapt monreader character device driver to new IUCV API Signed-off-by:
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Martin Schwidefsky authored
Add rewritten IUCV base code to net/iucv. Signed-off-by:
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Martin Schwidefsky authored
Remove the old IUCV code from drivers/s390/net Remove approprirate IUCV entries from drivers/s390/net/Makefile, drivers/s390/net/Kconfig and arch/s390/defconfig Signed-off-by:
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Andrew Hendry authored
View the active forwarded calls cat /proc/net/x25/forward Signed-off-by:
Andrew Hendry <andrew.hendry@gmail.com> Signed-off-by:
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Andrew Hendry authored
echo "1" > /proc/sys/net/x25/x25_forward To turn on x25_forwarding, defaults to off Requires the previous patch. Signed-off-by:
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Andrew Hendry authored
Adds call forwarding to X.25, allowing it to operate like an X.25 router. Useful if one needs to manipulate X.25 traffic with tools like tc. This is an update/cleanup based off a patch submitted by Daniel Ferenci a few years ago. Thanks Alan for the feedback. Added the null check to the clones. Moved the skb_clone's into the forwarding functions. Worked ok with Cisco XoT, linux X.25 back to back, and some old NTUs/PADs. Signed-off-by:
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David S. Miller authored
Needed by xfrm_user and af_key. Signed-off-by: -
Shinta Sugimoto authored
Add CONFIG_NET_KEY_MIGRATE option which makes it possible for user application to send or receive MIGRATE message to/from PF_KEY socket. Signed-off-by:
Shinta Sugimoto <shinta.sugimoto@ericsson.com> Signed-off-by:
Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by:
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by:
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Shinta Sugimoto authored
Extend PF_KEYv2 framework so that user application can take advantage of MIGRATE feature via PF_KEYv2 interface. User application can either send or receive an MIGRATE message to/from PF_KEY socket. Detail information can be found in the internet-draft <draft-sugimoto-mip6-pfkey-migrate>. Signed-off-by:
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Shinta Sugimoto authored
Add CONFIG_XFRM_MIGRATE option which makes it possible for for user application to send or receive MIGRATE message to/from netlink socket. Signed-off-by:
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Shinta Sugimoto authored
Add user interface for handling XFRM_MSG_MIGRATE. The message is issued by user application. When kernel receives the message, procedure of updating XFRM databases will take place. Signed-off-by:
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Shinta Sugimoto authored
Extend the XFRM framework so that endpoint address(es) in the XFRM databases could be dynamically updated according to a request (MIGRATE message) from user application. Target XFRM policy is first identified by the selector in the MIGRATE message. Next, the endpoint addresses of the matching templates and XFRM states are updated according to the MIGRATE message. Signed-off-by:
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Patrick McHardy authored
Move ip6t_standard/ip6t_error_target/ip6t_error definitions to ip6_tables.h instead of defining them in each table individually. Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
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Patrick McHardy authored
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Masahide NAKAMURA authored
This introduces match for Mobility Header (MH) described by Mobile IPv6 specification (RFC3775). User can specify the MH type or its range to be matched. Signed-off-by:
Yasuyuki Kozakai <kozakai@linux-ipv6.org> Signed-off-by:
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Jan Engelhardt authored
Signed-off-by:
Jan Engelhardt <jengelh@gmx.de> Signed-off-by:
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Jan Engelhardt authored
Use the x_tables functions directly to make it better visible which parts are shared between ip_tables and ip6_tables. Signed-off-by:
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Jan Engelhardt authored
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Eric Leblond authored
This patch adds support to NAT to randomize source ports. Signed-off-by:
Eric Leblond <eric@inl.fr> Signed-off-by:
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Patrick McHardy authored
Signed-off-by:
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Patrick McHardy authored
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Patrick McHardy authored
Additionally mark the init function __init. Signed-off-by:
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Patrick McHardy authored
Signed-off-by:
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Jan Engelhardt authored
Remove unnecessary if() constructs before assignment. Signed-off-by:
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Patrick McHardy authored
Do liberal tracking (only RSTs need to be in-window) for connections picked up without seeing a SYN to deal with window scaling. Also change logging of invalid packets not to log packets accepted by liberal tracking to avoid spamming the logs. Based on suggestion from James Ralston <ralston@pobox.com> Signed-off-by:
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Michal Schmidt authored
This is nf_conntrack_sane, a netfilter connection tracking helper module for the SANE protocol used by the 'saned' daemon to make scanners available via network. The SANE protocol uses separate control & data connections, similar to passive FTP. The helper module is needed to recognize the data connection as RELATED to the control one. Signed-off-by:
Michal Schmidt <mschmidt@redhat.com> Signed-off-by:
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Akinobu Mita authored
This patch checks return values: - irlmp_register_client() - irlmp_register_service() - irlan_open() Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by:
Samuel Ortiz <samuel@sortiz.org> Signed-off-by:
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Akinobu Mita authored
This patch checks return value of memory allocation functions for irda subsystem and fixes memory leaks in error cases. Signed-off-by:
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Stephen Hemminger authored
There was no real useful information from the unregister_netdevice() return code, the only error occurred in a situation that was a driver bug. So change it to a void function. Signed-off-by:
Stephen Hemminger <shemminger@osdl.org> Signed-off-by:
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Masahide NAKAMURA authored
Add checksum default defines for mobility header(MH) which goes through raw socket. As the result kernel's behavior is to handle MH checksum as default. This patch also removes verifying inbound MH checksum at mip6_mh_filter() since it did not consider user specified checksum offset and was redundant check with raw socket code. Signed-off-by:
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Alexey Dobriyan authored
add_grhead() allocates memory with GFP_ATOMIC and in at least two places skb from it passed to skb_put() without checking. Signed-off-by:
Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by:
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David S. Miller authored
When we can't find the afinfo we should return EAFNOSUPPORT. GCC warned about the uninitialized 'err' for this path as well. Signed-off-by: -
Miika Komu authored
This is the patch to support IPv4 over IPv6 IPsec. Signed-off-by:
Miika Komu <miika@iki.fi> Signed-off-by:
Diego Beltrami <Diego.Beltrami@hiit.fi> Signed-off-by:
Kazunori Miyazawa <miyazawa@linux-ipv6.org> Signed-off-by:
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Miika Komu authored
This is the patch to support IPv6 over IPv4 IPsec Signed-off-by:
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