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2011-03-03netlink: kill eff_cap from struct netlink_skb_parmsPatrick McHardy
Netlink message processing in the kernel is synchronous these days, capabilities can be checked directly in security_netlink_recv() from the current process. Signed-off-by: Patrick McHardy <kaber@trash.net> Reviewed-by: James Morris <jmorris@namei.org> [chrisw: update to include pohmelfs and uvesafb] Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-03net_sched: reduce fifo qdisc sizeEric Dumazet
Because of various alignements [SLUB / qdisc], we use 512 bytes of memory for one {p|b}fifo qdisc, instead of 256 bytes on 64bit arches and 192 bytes on 32bit ones. Move the "u32 limit" inside "struct Qdisc" (no impact on other qdiscs) Change qdisc_alloc(), first trying a regular allocation before an oversized one. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-03netlink: kill loginuid/sessionid/sid members from struct netlink_skb_parmsPatrick McHardy
Netlink message processing in the kernel is synchronous these days, the session information can be collected when needed. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02dcbnl: add support for retrieving peer configuration - ceeShmulik Ravid
This patch adds the support for retrieving the remote or peer DCBX configuration via dcbnl for embedded DCBX stacks supporting the CEE DCBX standard. Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02dcbnl: add support for retrieving peer configuration - ieeeShmulik Ravid
These 2 patches add the support for retrieving the remote or peer DCBX configuration via dcbnl for embedded DCBX stacks. The peer configuration is part of the DCBX MIB and is useful for debugging and diagnostics of the overall DCB configuration. The first patch add this support for IEEE 802.1Qaz standard the second patch add the same support for the older CEE standard. Diff for v2 - the peer-app-info is CEE specific. Signed-off-by: Shmulik Ravid <shmulikr@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02netdevice: make initial group visible to userspaceVlad Dogaru
INIT_NETDEV_GROUP is needed by userspace, move it outside __KERNEL__ guards. Signed-off-by: Vlad Dogaru <ddvlad@rosedu.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02ipv4: ip_route_output_key() is better as an inline.David S. Miller
This avoid a stack frame at zero cost. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02ipv4: Make output route lookup return rtable directly.David S. Miller
Instead of on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02xfrm: Return dst directly from xfrm_lookup()David S. Miller
Instead of on the stack. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-02Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2011-03-01xfrm: Handle blackhole route creation via afinfo.David S. Miller
That way we don't have to potentially do this in every xfrm_lookup() caller. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Normalize arguments to ip6_dst_blackhole().David S. Miller
Return a dst pointer which is potentitally error encoded. Don't pass original dst pointer by reference, pass a struct net instead of a socket, and elide the flow argument since it is unnecessary. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01xfrm: Kill XFRM_LOOKUP_WAIT flag.David S. Miller
This can be determined from the flow flags instead. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Change final dst lookup arg name to "can_sleep"David S. Miller
Since it indicates whether we are invoked from a sleepable context or not. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Kill can_sleep arg to ip_route_output_flow()David S. Miller
This boolean state is now available in the flow flags. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01net: Add FLOWI_FLAG_CAN_SLEEP.David S. Miller
And set is in contexts where the route resolution can sleep. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Make final arg to ip_route_output_flow to be boolean "can_sleep"David S. Miller
Since that is what the current vague "flags" argument means. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv4: Can final ip_route_connect() arg to boolean "can_sleep".David S. Miller
Since that's what the current vague "flags" thing means. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01ipv6: Consolidate route lookup sequences.David S. Miller
Route lookups follow a general pattern in the ipv6 code wherein we first find the non-IPSEC route, potentially override the flow destination address due to ipv6 options settings, and then finally make an IPSEC search using either xfrm_lookup() or __xfrm_lookup(). __xfrm_lookup() is used when we want to generate a blackhole route if the key manager needs to resolve the IPSEC rules (in this case -EREMOTE is returned and the original 'dst' is left unchanged). Otherwise plain xfrm_lookup() is used and when asynchronous IPSEC resolution is necessary, we simply fail the lookup completely. All of these cases are encapsulated into two routines, ip6_dst_lookup_flow and ip6_sk_dst_lookup_flow. The latter of which handles unconnected UDP datagram sockets. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01udp: Switch to ip_finish_skbHerbert Xu
This patch converts UDP to use the new ip_finish_skb API. This would then allows us to more easily use ip_make_skb which allows UDP to run without a socket lock. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01inet: Add ip_make_skb and ip_finish_skbHerbert Xu
This patch adds the helper ip_make_skb which is like ip_append_data and ip_push_pending_frames all rolled into one, except that it does not send the skb produced. The sending part is carried out by ip_send_skb, which the transport protocol can call after it has tweaked the skb. It is meant to be called in cases where corking is not used should have a one-to-one correspondence to sendmsg. This patch also adds the helper ip_finish_skb which is meant to be replace ip_push_pending_frames when corking is required. Previously the protocol stack would peek at the socket write queue and add its header to the first packet. With ip_finish_skb, the protocol stack can directly operate on the final skb instead, just like the non-corking case with ip_make_skb. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-01inet: Remove explicit write references to sk/inet in ip_append_dataHerbert Xu
In order to allow simultaneous calls to ip_append_data on the same socket, it must not modify any shared state in sk or inet (other than those that are designed to allow that such as atomic counters). This patch abstracts out write references to sk and inet_sk in ip_append_data and its friends so that we may use the underlying code in parallel. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-27xfrm: Pass const xfrm_mark to xfrm_mark_put().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-27xfrm: Pass const xfrm_address_t objects to xfrm_state_lookup* and xfrm_find_acq.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-27xfrm: Pass const arg to xfrm_alg_len and xfrm_alg_auth_len.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-27xfrm: Pass name as const to xfrm_*_get_byname().David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-27netpoll: remove IFF_IN_NETPOLL flagAmerigo Wang
V4: rebase to net-next-2.6 This patch removes the flag IFF_IN_NETPOLL, we don't need it any more since we have netpoll_tx_running() now. Signed-off-by: WANG Cong <amwang@redhat.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: fix flawed "SYN/ACK" logicRémi Denis-Courmont
* Do not fail if the peer supports more or less than 3 algorithms. * Ignore unknown congestion control algorithms instead of failing. * Simplify congestion algorithm negotiation (largest is best). * Do not use a static buffer. * Fix off-by-two read overflow. * Avoid extra memory copy (in addition to skb_copy_bits()). The previous code really made no sense. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: don't bother with transaction IDs (especially for indications)Rémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: remove redumdant pep->pipe_stateRémi Denis-Courmont
sk->sk_state already contains the pipe state. Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: use socket destination in pipe protocolRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25Phonet: implement per-socket destination/peer addressRémi Denis-Courmont
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-24Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2011-02-24netem: revised correlated loss generatorstephen hemminger
This is a patch originated with Stefano Salsano and Fabio Ludovici. It provides several alternative loss models for use with netem. This patch adds two state machine based loss models. See: http://netgroup.uniroma2.it/twiki/bin/view.cgi/Main/NetemCLG Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-24netem: define NETEM_DIST_MAXstephen hemminger
Rather than magic constant in code, expose the maximum size of packet distribution table in API. In iproute2, q_netem defines MAX_DIST as 16K already. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-25ipvs: unify the formula to estimate the overhead of processing connectionsChangli Gao
lc and wlc use the same formula, but lblc and lblcr use another one. There is no reason for using two different formulas for the lc variants. The formula used by lc is used by all the lc variants in this patch. Signed-off-by: Changli Gao <xiaosuo@gmail.com> Acked-by: Wensong Zhang <wensong@linux-vs.org> Signed-off-by: Simon Horman <horms@verge.net.au>
2011-02-24ipv4: Rearrange how ip_route_newports() gets port keys.David S. Miller
ip_route_newports() is the only place in the entire kernel that cares about the port members in the routing cache entry's lookup flow key. Therefore the only reason we store an entire flow inside of the struct rtentry is for this one special case. Rewrite ip_route_newports() such that: 1) The caller passes in the original port values, so we don't need to use the rth->fl.fl_ip_{s,d}port values to remember them. 2) The lookup flow is constructed by hand instead of being copied from the routing cache entry's flow. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify xfrm_address_t args to xfrm_state_find.David S. Miller
This required a const'ification in xfrm_init_tempstate() too. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify ptr args to xfrm_state_*_check and xfrm_state_kern.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify xfrm_tmpl and xfrm_state args to xfrm_state_addr_cmp.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify policy arg to xp_net.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify selector args in xfrm_migrate paths.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify pointer args to km_migrate() and implementations.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify address argument to xfrm_addr_any()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify address arguments to xfrm_addr_cmp()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify address arguments to ->dst_lookup()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify selector argument to xfrm_selector_match()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Const'ify tmpl and address arguments to ->init_temprop()David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23xfrm: Pass km_event pointers around as const when possible.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-02-23Merge branch 'tipc-Feb23-2011' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/paulg/net-next-2.6
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