- 10 Oct, 2007 40 commits
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Denis Cheng authored
This could make future redesign of struct netlink_sock easier. Signed-off-by:
Denis Cheng <crquan@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Thomas Graf authored
Signed-off-by:
Thomas Graf <tgraf@suug.ch> Signed-off-by:
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Masahide NAKAMURA authored
IPv4 IPsec tunnel gateway incorrectly sends redirect to sender if it is onlink host when network device the IPsec tunnelled packet is arrived is the same as the one the decapsulated packet is sent. With this patch, it omits to send the redirect when the forwarding skbuff carries secpath, since such skbuff should be assumed as a decapsulated packet from IPsec tunnel by own. Request for comments: Alternatively we'd have another way to change net/ipv4/route.c (__mkroute_input) to use RTCF_DOREDIRECT flag unless skbuff has no secpath. It is better than this patch at performance point of view because IPv4 redirect judgement is done at routing slow-path. However, it should be taken care of resource changes between SAD(XFRM states) and routing table. In other words, When IPv4 SAD is changed does the related routing entry go to its slow-path? If not, it is reasonable to apply this patch. Signed-off-by:
Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by:
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Masahide NAKAMURA authored
IPv6 IPsec tunnel gateway incorrectly sends redirect to router or sender when network device the IPsec tunnelled packet is arrived is the same as the one the decapsulated packet is sent. With this patch, it omits to send the redirect when the forwarding skbuff carries secpath, since such skbuff should be assumed as a decapsulated packet from IPsec tunnel by own. It may be a rare case for an IPsec security gateway, however it is not rare when the gateway is MIPv6 Home Agent since the another tunnel end-point is Mobile Node and it changes the attached network. Signed-off-by:
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Noriaki TAKAMIYA authored
When XFRM policy and state are ready after TCP connection is started, the traffic should be transformed immediately, however it does not on IPv6 TCP. It depends on a dst cache replacement policy with connected socket. It seems that the replacement is always done for IPv4, however, on IPv6 case it is done only when routing cookie is changed. This patch fix that non-transformation dst can be changed to transformation one. This behavior is required by MIPv6 and improves IPv6 IPsec. Fixes by Masahide NAKAMURA. Signed-off-by:
Noriaki TAKAMIYA <takamiya@po.ntts.co.jp> Signed-off-by:
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Brian Haley authored
Add v4mapped address inline to avoid calls to ipv6_addr_type(). Signed-off-by:
Brian Haley <brian.haley@hp.com> Signed-off-by:
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Stephen Hemminger authored
This driver has been marked obsolete for a long time and is superseded by traffic schedulers. Signed-off-by:
Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by:
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Stephen Hemminger authored
This patch causes UDP port allocation to be randomized like TCP. The earlier code would always choose same port (ie first empty list). Signed-off-by:
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Ilpo Järvinen authored
Signed-off-by:
Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by:
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Ilpo Järvinen authored
In DSACK case, some events are not extraordinary, such as packet duplication generated DSACK. They can arrive easily below snd_una when undo_marker is not set (TCP being in CA_Open), counting such DSACKs amoung SACK discards will likely just mislead if they occur in some scenario when there are other problems as well. Similarly, excessively delayed packets could cause "normal" DSACKs. Therefore, separate counters are allocated for DSACK events. Signed-off-by:
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Ilpo Järvinen authored
SACK processing code has been a sort of russian roulette as no validation of SACK blocks is previously attempted. Besides, it is not very clear what all kinds of broken SACK blocks really mean (e.g., one that has start and end sequence numbers reversed). So now close the roulette once and for all. Signed-off-by:
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Ilpo Järvinen authored
Only thing that tiny function does is rearming the RTO (if necessary), name it accordingly. Signed-off-by:
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Ilpo Järvinen authored
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Ilpo Järvinen authored
Makes caller side more obvious, there's no need to have a wrapper for this oneliner! Signed-off-by:
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Stephen Hemminger authored
Get rid of using DPRINTK macro in ATM and use pr_debug (in kernel.h). Using the standard macro is cleaner and forces code to check for bad arguments and formatting. Fixes from Thomas Graf. Signed-off-by:
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Stephen Hemminger authored
The ethernet header management only needs to handle a fixed size address (6 bytes). If the memcpy/memset are changed to be passed a constant length, then compiler can optimize for this case (and if it is smart eliminate string instructions). Signed-off-by:
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Thomas Graf authored
These functions are only used once and are a lot easier to understand if inlined directly into the function. Fixes by Masahide NAKAMURA. Signed-off-by:
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Thomas Graf authored
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Thomas Graf authored
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Thomas Graf authored
Increases readability a lot. Signed-off-by:
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Thomas Graf authored
nlmsg_parse() puts attributes at array[type] so the indexing method can be simpilfied by removing the obscuring "- 1". Signed-off-by:
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Thomas Graf authored
Adds a policy defining the minimal payload lengths for all the attributes allowing for most attribute validation checks to be removed from in the middle of the code path. Makes updates more consistent as many format errors are recognised earlier, before any changes have been attempted. Signed-off-by:
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Thomas Graf authored
Uses nlmsg_parse() to parse the attributes. This actually changes behaviour as unknown attributes (type > MAXTYPE) no longer cause an error. Instead unknown attributes will be ignored henceforth to keep older kernels compatible with more recent userspace tools. Signed-off-by:
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Thomas Graf authored
Moves all complex message size calculation into own inlined helper functions and makes use of the type-safe netlink interface. Using nlmsg_new() simplifies the calculation itself as it takes care of the netlink header length by itself. Signed-off-by:
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Thomas Graf authored
Moves all of the SUB_POLICY ifdefs related to the attribute size calculation into a function. Signed-off-by:
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Thomas Graf authored
Adds alg_len() to calculate the properly padded length of an algorithm attribute to simplify the code. Signed-off-by:
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Thomas Graf authored
Also makes use of copy_sec_ctx() in another place and removes duplicated code. Signed-off-by:
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Thomas Graf authored
This simplifies successful return codes from >0 to 0. Signed-off-by:
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Thomas Graf authored
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Thomas Graf authored
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Thomas Graf authored
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Arnaldo Carvalho de Melo authored
Signed-off-by:
Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by:
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Arnaldo Carvalho de Melo authored
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Arnaldo Carvalho de Melo authored
Signed-off-by:
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Arnaldo Carvalho de Melo authored
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Arnaldo Carvalho de Melo authored
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Arnaldo Carvalho de Melo authored
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Arnaldo Carvalho de Melo authored
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Arnaldo Carvalho de Melo authored
Now to convert the ackvec code to ktime_t so that we can get rid of dccp_timestamp and the epoch thing in dccp_sock. Signed-off-by:
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Arnaldo Carvalho de Melo authored
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