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* [SK_BUFF]: unions of just one member don't get anything done, kill themArnaldo Carvalho de Melo2007-04-2546-165/+162
| | | | | | | | | Renaming skb->h to skb->transport_header, skb->nh to skb->network_header and skb->mac to skb->mac_header, to match the names of the associated helpers (skb[_[re]set]_{transport,network,mac}_header). Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_network_header_lenArnaldo Carvalho de Melo2007-04-2514-21/+27
| | | | | | | | | | For the common sequence "skb->h.raw - skb->nh.raw", similar to skb->mac_len, that is precalculated tho, don't think we need to bloat skb with one more member, so just use this new helper, reducing the number of non-skbuff.h references to the layer headers even more. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Use the helpers to get the layer header pointerArnaldo Carvalho de Melo2007-04-254-5/+5
| | | | | | | Some more cases... Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Fix warningPatrick McHardy2007-04-251-1/+2
| | | | | | | | net/sched/sch_api.c: In function 'psched_show': net/sched/sch_api.c:1219: warning: format '%08x' expects type 'unsigned int', but argument 6 has type 's64' Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_cbq: fix watchdog scheduled too latePatrick McHardy2007-04-251-1/+1
| | | | | | | | | q->now is increased during dequeue and doesn't contain the current time afterwards, resulting in a too large timeout value for the qdisc watchdog. Use "now" instead, which still contains the current time. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Export real timer resolution in /proc/net/pschedPatrick McHardy2007-04-251-1/+1
| | | | | | | | | | | | | | | The timer resolution exported in /proc/net/psched is used by userspace to calculate HTB's burst values. Currently it is set to HZ, since we're now using hrtimers, use KTIME_MONOTONIC_RES, which makes HTB use smaller burst values. This patch also affects libnl, which incorrectly uses this value for the SFQ perturbation parameter, which is always in seconds, and some routing cache values, which are in USER_HZ, so both cases are broken anyway. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: kill jiffie conversion macrosPatrick McHardy2007-04-253-10/+7
| | | | | | | | | | Now that all packet schedulers have been converted to hrtimers most users of PSCHED_JIFFIE2US and PSCHED_US2JIFFIE are gone. The remaining users use it to convert external time units to packet scheduler clock ticks, so use PSCHED_TICKS_PER_SEC instead. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_htb: use hrtimer based watchdogPatrick McHardy2007-04-251-60/+31
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_cbq: use hrtimer for delay_timerPatrick McHardy2007-04-251-29/+41
| | | | | | | | | | | | Switch delay_timer to hrtimer. The class penalty parameter is changed to use psched ticks as units. Since iproute never supported using this and the only existing user (libnl) incorrectly assumes psched ticks as units anyway, this shouldn't break anything. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_cbq: fix cbq_undelay_prio for non-active prioritesPatrick McHardy2007-04-251-1/+1
| | | | | | | | | | cbq_undelay_prio is supposed to return a time delta, but returns the current time for non-active priorities, causing cbq_undelay to mark the priority as active and schedule a timer for twice the current time. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_cbq: use hrtimer based watchdogPatrick McHardy2007-04-251-21/+7
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_netem: use hrtimer based watchdogPatrick McHardy2007-04-251-20/+5
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_tbf: use hrtimer based watchdogPatrick McHardy2007-04-251-24/+7
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: sch_hfsc: use hrtimer based watchdogPatrick McHardy2007-04-251-25/+7
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Add hrtimer based qdisc watchdogPatrick McHardy2007-04-252-0/+46
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use ktime as clocksourcePatrick McHardy2007-04-255-315/+19
| | | | | | | | | | | | | Get rid of the manual clock source selection mess and use ktime. Also use a scalar representation, which allows to clean up pkt_sched.h a bit more and results in less ktime_to_ns() calls in most cases. The PSCHED_US2JIFFIE/PSCHED_JIFFIE2US macros are implemented quite inefficient by this patch, following patches will convert all qdiscs to hrtimers and get rid of them entirely. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Some more layer header conversionsArnaldo Carvalho de Melo2007-04-256-17/+27
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [KBUILD]: Unifdef headers changed by the skb layer header refactoringsArnaldo Carvalho de Melo2007-04-251-3/+3
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: More skb_put related skb_reset_transport_headerArnaldo Carvalho de Melo2007-04-254-12/+19
| | | | | | | | | This time we have to set it to skb->tail that is not anymore equal to skb->data, so we either add a new helper or just add the skb->tail - skb->data offset, for now do the later. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Reset the network header in ip6_nd_hdrArnaldo Carvalho de Melo2007-04-251-1/+2
| | | | | | | | | ip6_nd_hdr is always called immediately after a alloc_skb + skb_reserve sequence, i.e. when skb->tail is equal to skb->data, making it correct to use skb_reset_network_header(). Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: More skb_put related conversions to skb_reset_transport_headerArnaldo Carvalho de Melo2007-04-254-18/+18
| | | | | | | | This is similar to the skb_reset_network_header(), i.e. at the point we reset the transport header pointer/offset skb->tail is equal to skb->data. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: parse attributes with nfattr_parse in ↵Pablo Neira Ayuso2007-04-251-14/+2
| | | | | | | | | | | | | nfnetlink_check_attribute Use nfattr_parse to parse attributes, this patch also modifies the default behaviour since unknown attributes will be ignored instead of returning EINVAL. This ensure backward compatibility: new libraries with new attributes and old kernels can work. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: ctnetlink: add support for internal tcp connection tracking ↵Pablo Neira Ayuso2007-04-253-1/+53
| | | | | | | | | | | flags handling This patch let userspace programs set the IP_CT_TCP_BE_LIBERAL flag to force the pickup of established connections. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: TCP conntrack: factorize out the PUSH flagWilly Tarreau2007-04-251-13/+4
| | | | | | | | | | | The PUSH flag is accepted with every other valid combination. Let's get it out of the tcp_valid_flags table and reduce the number of combinations we have to handle. This does not significantly reduce the table size however (8 bytes). Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: TCP conntrack: accept RST|PSH as validWilly Tarreau2007-04-251-0/+1
| | | | | | | | | | This combination has been encountered on an IBM AS/400 in response to packets sent to a closed session. There is no particular reason to mark it invalid. Signed-off-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add nf_copy() to safely copy members in skbYasuyuki Kozakai2007-04-253-29/+15
| | | | | | | | | This unifies the codes to copy netfilter related datas. Before copying, nf_copy() puts original members in destination skb. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add __nf_copy() to copy members in skbYasuyuki Kozakai2007-04-252-26/+19
| | | | | | | | | | This unifies the codes to copy netfilter related datas. Note that __nf_copy() assumes destination skb doesn't have any netfilter related members. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: use jhash2 in __hash_conntrackSami Farin2007-04-251-4/+5
| | | | | | | | | Now it uses jhash, but using jhash2 would be around 3-4 times faster (on P4). Signed-off-by: Sami Farin <safari-netfilter@safari.iki.fi> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [JHASH]: Use const in jhash2Patrick McHardy2007-04-251-1/+1
| | | | | | | Use const to avoid forcing users to cast const data. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: move EXPORT_SYMBOL declarations next to the exported ↵Pablo Neira Ayuso2007-04-251-7/+6
| | | | | | | | symbol Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: remove unused includes in nfnetlink.cPablo Neira Ayuso2007-04-251-2/+0
| | | | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: remove unrequired check in nfnetlink_get_subsysPablo Neira Ayuso2007-04-251-2/+1
| | | | | | | | | subsys_table is initialized to NULL, therefore just returns NULL in case that it is not set. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: remove duplicate checks in nfnetlink_check_attributesPablo Neira Ayuso2007-04-251-8/+1
| | | | | | | | | | Remove nfnetlink_check_attributes duplicates message size and callback id checks. nfnetlink_find_client and nfnetlink_rcv_msg already do such checks. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: remove early debugging messages from nfnetlinkPablo Neira Ayuso2007-04-251-36/+6
| | | | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: uninline notifier registration functionsPatrick McHardy2007-04-252-24/+29
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: use netlink_run_queue()Patrick McHardy2007-04-251-47/+4
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: use mutex instead of semaphorePatrick McHardy2007-04-253-28/+25
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: simplify l4 protocol array allocationPatrick McHardy2007-04-251-25/+12
| | | | | | | | | The retrying after an allocation failure is not necessary anymore since we're holding the mutex the entire time, for the same reason the double allocation race can't happen anymore. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: simplify protocol lockingPatrick McHardy2007-04-251-31/+14
| | | | | | | | | Now that we don't use nf_conntrack_lock anymore but a single mutex for all protocol handling, no need to release and grab it again for sysctl registration. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: remove ugly hack in l4proto registrationPatrick McHardy2007-04-253-24/+31
| | | | | | | | | | Remove ugly special-casing of nf_conntrack_l4proto_generic, all it wants is its sysctl tables registered, so do that explicitly in an init function and move the remaining protocol initialization and cleanup code to nf_conntrack_proto.c as well. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: switch protocol registration/unregistration to mutexPatrick McHardy2007-04-251-29/+23
| | | | | | | | | The protocol lookups done by nf_conntrack are already protected by RCU, there is no need to keep taking nf_conntrack_lock for registration and unregistration. Switch to a mutex. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Remove IPv4 only connection tracking/NATPatrick McHardy2007-04-2580-19135/+122
| | | | | | | | Remove the obsolete IPv4 only connection tracking/NAT as scheduled in feature-removal-schedule. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: remove duplicate of xt_prefixTobias Klauser2007-04-251-16/+10
| | | | | | | | | Remove xt_proto_prefix array which duplicates xt_prefix and change all users of xt_proto_prefix to xt_prefix. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4] xfrm4_mode_beet: Use skb_transport_header().David S. Miller2007-04-251-1/+1
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_transport_header(skb)Arnaldo Carvalho de Melo2007-04-2542-102/+129
| | | | | | | | | For the places where we need a pointer to the transport header, it is still legal to touch skb->h.raw directly if just adding to, subtracting from or setting it to another layer header. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Eliminate some pointer attributions to the skb layer headersArnaldo Carvalho de Melo2007-04-252-7/+6
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: More skb_reset_transport_header conversionsArnaldo Carvalho de Melo2007-04-252-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | These are a bit more subtle, they are of this type: - skb->h.raw = payload; __skb_pull(skb, payload - skb->data); + skb_reset_transport_header(skb); __skb_pull results in: skb->data = skb->data + payload - skb->data; skb->data = payload; So after __skb_pull we have skb->data pointing to payload and we can just call skb_reset_transport_header(skb), that will do: skb->h.raw = payload; The others are similar, allowing us to get rid of some more cases where a pointer was being attributed to the layer headers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce ipipv6_hdr(), remove skb->h.ipv6hArnaldo Carvalho de Melo2007-04-254-7/+11
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce ipip_hdr(), remove skb->h.ipiphArnaldo Carvalho de Melo2007-04-257-11/+15
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce tcp_hdr(), remove skb->h.thArnaldo Carvalho de Melo2007-04-2523-122/+134
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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