linux-toradex.git/net/ipv4/xfrm4_tunnel.c, branch v5.1

sit: add IPv4 over IPv4 support

2013-06-01T00:19:05+00:00

This patch adds the support of IPv4 over Ipv4 for the module sit. The gain of
this feature is to be able to have 4in4 and 6in4 over the same interface
instead of having one interface for 6in4 and another for 4in4 even if
encapsulation addresses are the same.

To avoid conflicting with ipip module, sit IPv4 over IPv4 protocol is
registered with a smaller priority.

Signed-off-by: Nicolas Dichtel 
Signed-off-by: David S. Miller

net: ipv4: Standardize prefixes for message logging

2012-03-13T00:05:21+00:00

Add #define pr_fmt(fmt) as appropriate.

Add "IPv4: ", "TCP: ", and "IPsec: " to appropriate files.
Standardize on "UDPLite: " for appropriate uses.
Some prefixes were previously "UDPLITE: " and "UDP-Lite: ".

Add KBUILD_MODNAME ": " to icmp and gre.
Remove embedded prefixes as appropriate.

Add missing "\n" to pr_info in gre.c.

Signed-off-by: Joe Perches 
Signed-off-by: David S. Miller

net: Convert printks to pr_

2012-03-12T06:42:51+00:00

Use a more current kernel messaging style.

Convert a printk block to print_hex_dump.
Coalesce formats, align arguments.
Use %s, __func__ instead of embedding function names.

Some messages that were prefixed with _close are
now prefixed with _fini.  Some ah4 and esp messages
are now not prefixed with "ip ".

The intent of this patch is to later add something like
  #define pr_fmt(fmt) "IPv4: " fmt.
to standardize the output messages.

Text size is trivially reduced. (x86-32 allyesconfig)

$ size net/ipv4/built-in.o*
   text	   data	    bss	    dec	    hex	filename
 887888	  31558	 249696	1169142	 11d6f6	net/ipv4/built-in.o.new
 887934	  31558	 249800	1169292	 11d78c	net/ipv4/built-in.o.old

Signed-off-by: Joe Perches 
Signed-off-by: David S. Miller

net: use IS_ENABLED(CONFIG_IPV6)

2011-12-11T23:25:16+00:00

Instead of testing defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

net: struct xfrm_tunnel in read_mostly section

2010-08-30T20:50:45+00:00

tunnel4_handlers chain being scanned for each incoming packet,
make sure it doesnt share an often dirtied cache line.

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

[IPCOMP]: Fix reception of incompressible packets

2008-02-01T03:27:24+00:00

I made a silly typo by entering IPPROTO_IP (== 0) instead of
IPPROTO_IPIP (== 4).  This broke the reception of incompressible
packets.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller

[XFRM]: constify 'struct xfrm_type'

2008-02-01T03:27:20+00:00

Signed-off-by: Eric Dumazet 
Signed-off-by: David S. Miller

[IPSEC]: Move tunnel parsing for IPv4 out of xfrm4_input

2007-10-18T04:28:53+00:00

This patch moves the tunnel parsing for IPv4 out of xfrm4_input and into
xfrm4_tunnel.  This change is in line with what IPv6 does and will allow
us to merge the two input functions.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller

[IPSEC]: Fix pure tunnel modes involving IPv6

2007-10-18T04:28:06+00:00

I noticed that my recent patch broke 6-on-4 pure IPsec tunnels (the ones
that are only used for incompressible IPsec packets).  Subsequent reviews
show that I broke 6-on-6 pure tunnels more than three years ago and nobody
ever noticed. I suppose every must be testing 6-on-6 IPComp with large
pings which are very compressible :)

This patch fixes both cases.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller

[IPSEC]: Move IP protocol setting from transforms into xfrm4_input.c

2007-10-10T23:55:56+00:00

This patch makes the IPv4 x->type->input functions return the next protocol
instead of setting it directly.  This is identical to how we do things in
IPv6 and will help us merge common code on the input path.

Signed-off-by: Herbert Xu 
Signed-off-by: David S. Miller