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* [CCID3]: Remove build warnings for 64bitGerrit Renker2007-04-26
| | | | | | | | | | | | | This clears the following sparc64 build warnings: 1) warning: format "%ld" expects type "long int", but argument 3 has type "suseconds_t" 2) warning: format "%llu" expects type "long long unsigned int", but argument 3 has type "__u64" Fixed by using typecast to unsigned. This is argued to be safe, since the quantities, after de-scaling (factor 2^6) fit all in u32. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: More to see in dccp_probeGerrit Renker2007-04-26
| | | | | | | | | | | | | | | | This adds a few more fields of interest to /proc/net/dccpprobe, the following output ensues: 1 2 3 4 5 6 7 8 9 10 11 sec.usec src:sport dst:dport size s rtt p X_calc X_recv X t_ipi Also made the formatting consistent. Scripts that go with this can be downloaded from http://139.133.210.30/users/gerrit/dccp/dccp_probe/ Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Add documentation for socket optionsGerrit Renker2007-04-26
| | | | | | | | | This updates the documentation on CCID3-specific options. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: More debug information for dccp_wait_for_ccidGerrit Renker2007-04-26
| | | | | | | | | | | This adds more detail in the wait_for_ccid packet scheduling loop. In particular, it informs about (i) when delay is used and (ii) why a packet is discarded. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Always use debug-toggle parametersGerrit Renker2007-04-26
| | | | | | | | | | | | | | | | | Currently debugging output (when configured) is automatically enabled when DCCP modules are compiled into the kernel rather than built as loadable modules. This is not necessary, since the module parameters in this case become kernel commandline parameters, e.g. DCCP or CCID3 debug output can be enabled for a static build by appending the following at the boot prompt: dccp.dccp_debug=1 dccp_ccid3.ccid3_debug=1 This patch therefore does away with the more complicated way of always enabling debug output for static builds Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Remove race condition and update t_ipi when `s' changesGerrit Renker2007-04-26
| | | | | | | | | | | | | | | This: 1. removes a race condition in the access to the scheduled send time t_nom which results from allowing asynchronous r/w access to t_nom without locks; 2. updates the inter-packet interval t_ipi = s/X when `s' changes, following a suggestion by Ian McDonald. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: More verbose debuggingIan McDonald2007-04-26
| | | | | | | | | This adds a few debugging statements to ccid3.c Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Fix use of invalid loss intervalsIan McDonald2007-04-26
| | | | | | | | | | This fixes a bug which uses an invalid comparison. The bug resulted in the use of invalid loss intervals. Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Use MSS for larger initial windowsGerrit Renker2007-04-26
| | | | | | | | | | | | | | | | | | | | This improves the slow-start phase by using the MSS (as suggested in RFC 4342, sec. 5) instead of the packet size s. Also figured out that __u32 is ample resource enough. After applying, I got the following in the logs: ccid3_hc_tx_packet_recv: client(f7421700), s=6, MSS=1424, w_init=4380, R_sample=176us, X=24886363 Had the previous variant been used, w_init would have been as low as 24. Committer note: removed unneeded cast to unsigned long long that was causing a compiler warning on 64bit architectures. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Re-order CCID 3 source fileGerrit Renker2007-04-26
| | | | | | | | | | | No code change at all. This splits ccid3.c into a RX and a TX section, so that the file has an organisation similar to the other ones (e.g. packet_history.{h,c}). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CCID3]: Remove redundant `len' testGerrit Renker2007-04-26
| | | | | | | | | | | Since CCID3 avoids sending 0-byte data packets (cf. ccid3_hc_tx_send_packet), testing for zero-payload length, as performed by ccid3_hc_tx_update_s, is redundant - hence removed by this patch. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Remove ambiguity in the way before48 is usedGerrit Renker2007-04-26
| | | | | | | | | | | | | | | | | This removes two ambiguities in employing the new definition of before48, following the analysis on http://www.mail-archive.com/dccp@vger.kernel.org/msg01295.html (1) Updating GSR when P.seqno >= S.SWL With the old definition we did not update when P.seqno and S.SWL are 2^47 apart. To ensure the same behaviour as with the old definition, this is replaced with the equivalent condition dccp_delta_seqno(S.SWL, P.seqno) >= 0 (2) Sending SYNC when P.seqno >= S.OSR Here it is debatable whether the new definition causes an ambiguity: the case is similar to (1); and to have consistency with the case (1), we use the equivalent condition dccp_delta_seqno(S.OSR, P.seqno) >= 0 Detailed Justification
* [DCCP]: Fix for follows48Gerrit Renker2007-04-26
| | | | | | | | | | | | | | | | | The follows48 relation identifies whether 48-bit sequence number x is the direct successor of y. Currently, it does not handle cases of the following type correctly: follows48(0x(prefix)10000LL, 0x(prefix)0FFFFLL) where prefix is an arbitrary hex sequence of up to 7 digits. This is fixed by reusing the new dccp_delta_seqno function. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Make `before' relation unambiguousGerrit Renker2007-04-26
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* [DCCP]: Make dccp_delta_seqno return signed numbersGerrit Renker2007-04-26
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* [DCCP]: 48-bit sequence number arithmeticGerrit Renker2007-04-26
| | | | | | | | | | | | | | | | | This patch * organizes the sequence arithmetic functions into one corner of dccp.h * performs a small modification of dccp_set_seqno to make it more widely reusable (now it is safe to use any number, since it performs modulo-2^48 assignment) * adds functions and generic macros for 48-bit sequence arithmetic: --48 bit complement --modulo-48 addition and modulo-48 subtraction --dccp_inc_seqno now a special case of add48 Constants renamed following a suggestion by Arnaldo. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [FORCEDETH]: Use skb_tailroom where appropriateArnaldo Carvalho de Melo2007-04-26
| | | | | | | Reducing the number of skb->data direct accesses. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LMC]: lmc_main wants to use skb_tailroomArnaldo Carvalho de Melo2007-04-26
| | | | | | | | At that point it is equivalent to what was being used, skb->end - skb->data, and the need is clearly the one skb_tailroom satisfies. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ATM] idt77252: Fix double kfree_skb on failure in push_rx_skbArnaldo Carvalho de Melo2007-04-26
| | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [SK_BUFF] ipv6: Use skb_network_offset in some more placesArnaldo Carvalho de Melo2007-04-26
| | | | | | So that we reduce the number of direct accesses to skb->data. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [NETLINK]: Use nlmsg_trim() where appropriateArnaldo Carvalho de Melo2007-04-26
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Remove NLMSG_{NEW_ANSWER,CANCEL,END}Arnaldo Carvalho de Melo2007-04-26
| | | | | | Not used anywhere and defined inside __KERNEL__, Thomas acked this on irc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [SK_BUFF]: Remove skb_add_mtu() leftoversArnaldo Carvalho de Melo2007-04-26
| | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [NETLINK]: Introduce nlmsg_hdr() helperArnaldo Carvalho de Melo2007-04-26
| | | | | | | | | For the common "(struct nlmsghdr *)skb->data" sequence, so that we reduce the number of direct accesses to skb->data and for consistency with all the other cast skb member helpers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: fib_trie root node settingsRobert Olsson2007-04-26
| | | | | | | | | | | | | | The threshold for root node can be more aggressive set to get better tree compression. The new setting mekes the root grow from 16 to 19 bits and substansial improvemnt in Aver depth this with the current table of 214393 prefixes But really the dynamic resize should need more investigation both in terms convergence and performance and maybe it should be possible to change... Maybe just for the brave to start with or we may have to back this out.
* [IPV4]: fib_trie resize breakRobert Olsson2007-04-26
| | | | | | | | | The patch below adds break condition for the resize operations. If we don't achieve the desired fill factor a warning is printed. Trie should still be operational but new thresholds should be considered. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Adjust the zeroing up to tail in __alloc_skb tooArnaldo Carvalho de Melo2007-04-26
| | | | | | | I did it just in alloc_skb_from_cache, forgot __alloc_skb, fixed now. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Convert skb->end to sk_buff_data_tArnaldo Carvalho de Melo2007-04-26
| | | | | | | | Now to convert the last one, skb->data, that will allow many simplifications and removal of some of the offset helpers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Convert skb->tail to sk_buff_data_tArnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | | | | So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes on 64bit architectures, allowing us to combine the 4 bytes hole left by the layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4 64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN... :-) Many calculations that previously required that skb->{transport,network, mac}_header be first converted to a pointer now can be done directly, being meaningful as offsets or pointers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [VLAN] vlan_dev: Use skb_reset_network_header().David S. Miller2007-04-26
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [IrDA]: SMC SuperIO Chip LPC47N227 not identified properlyPeter Kovar2007-04-26
| | | | | | | | | | | SMC SuperIO Chip LPC47N227 used for IrDA is not detected because its device identification byte can be 0x7A instead of 0x5A. Patch from Peter Kovar <peter.kovar@gmail.com> Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IrDA]: irda lockdep annotationSamuel Ortiz2007-04-26
| | | | | | | | Rmmoding irda triggers a lockdep false positive. Reported-by: Dave Jones <davej@redhat.com> Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IrDA]: removing stir4200 useless includeSamuel Ortiz2007-04-26
| | | | | | | stir4200 doesn't need to include irlap.h Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Use offsets for skb->{mac,network,transport}_header on 64bit ↵Arnaldo Carvalho de Melo2007-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | architectures With this we save 8 bytes per network packet, leaving a 4 bytes hole to be used in further shrinking work, likely with the offsetization of other pointers, such as ->{data,tail,end}, at the cost of adds, that were minimized by the usual practice of setting skb->{mac,nh,n}.raw to a local variable that is then accessed multiple times in each function, it also is not more expensive than before with regards to most of the handling of such headers, like setting one of these headers to another (transport to network, etc), or subtracting, adding to/from it, comparing them, etc. Now we have this layout for sk_buff on a x86_64 machine: [acme@mica net-2.6.22]$ pahole vmlinux sk_buff struct sk_buff { struct sk_buff * next; /* 0 8 */ struct sk_buff * prev; /* 8 8 */ struct rb_node rb; /* 16 24 */ struct sock * sk; /* 40 8 */ ktime_t tstamp; /* 48 8 */ struct net_device * dev; /* 56 8 */ /* --- cacheline 1 boundary (64 bytes) --- */ struct net_device * input_dev; /* 64 8 */ sk_buff_data_t transport_header; /* 72 4 */ sk_buff_data_t network_header; /* 76 4 */ sk_buff_data_t mac_header; /* 80 4 */ /* XXX 4 bytes hole, try to pack */ struct dst_entry * dst; /* 88 8 */ struct sec_path * sp; /* 96 8 */ char cb[48]; /* 104 48 */ /* cacheline 2 boundary (128 bytes) was 24 bytes ago*/ unsigned int len; /* 152 4 */ unsigned int data_len; /* 156 4 */ unsigned int mac_len; /* 160 4 */ union { __wsum csum; /* 4 */ __u32 csum_offset; /* 4 */ }; /* 164 4 */ __u32 priority; /* 168 4 */ __u8 local_df:1; /* 172 1 */ __u8 cloned:1; /* 172 1 */ __u8 ip_summed:2; /* 172 1 */ __u8 nohdr:1; /* 172 1 */ __u8 nfctinfo:3; /* 172 1 */ __u8 pkt_type:3; /* 173 1 */ __u8 fclone:2; /* 173 1 */ __u8 ipvs_property:1; /* 173 1 */ /* XXX 2 bits hole, try to pack */ __be16 protocol; /* 174 2 */ void (*destructor)(struct sk_buff *); /* 176 8 */ struct nf_conntrack * nfct; /* 184 8 */ /* --- cacheline 3 boundary (192 bytes) --- */ struct sk_buff * nfct_reasm; /* 192 8 */ struct nf_bridge_info *nf_bridge; /* 200 8 */ __u16 tc_index; /* 208 2 */ __u16 tc_verd; /* 210 2 */ dma_cookie_t dma_cookie; /* 212 4 */ __u32 secmark; /* 216 4 */ __u32 mark; /* 220 4 */ unsigned int truesize; /* 224 4 */ atomic_t users; /* 228 4 */ unsigned char * head; /* 232 8 */ unsigned char * data; /* 240 8 */ unsigned char * tail; /* 248 8 */ /* --- cacheline 4 boundary (256 bytes) --- */ unsigned char * end; /* 256 8 */ }; /* size: 264, cachelines: 5 */ /* sum members: 260, holes: 1, sum holes: 4 */ /* bit holes: 1, sum bit holes: 2 bits */ /* last cacheline: 8 bytes */ On 32 bits nothing changes, and pointers continue to be used with the compiler turning all this abstraction layer into dust. But there are some sk_buff validation tricks that are now possible, humm... :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: unions of just one member don't get anything done, kill themArnaldo Carvalho de Melo2007-04-26
| | | | | | | | | 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 Melo2007-04-26
| | | | | | | | | | 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 Melo2007-04-26
| | | | | | | 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 McHardy2007-04-26
| | | | | | | | 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 McHardy2007-04-26
| | | | | | | | | 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 McHardy2007-04-26
| | | | | | | | | | | | | | | 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 McHardy2007-04-26
| | | | | | | | | | 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 McHardy2007-04-26
| | | | | 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 McHardy2007-04-26
| | | | | | | | | | | | 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 McHardy2007-04-26
| | | | | | | | | | 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 McHardy2007-04-26
| | | | | 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 McHardy2007-04-26
| | | | | 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 McHardy2007-04-26
| | | | | 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 McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Add hrtimer based qdisc watchdogPatrick McHardy2007-04-26
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET_SCHED]: Use ktime as clocksourcePatrick McHardy2007-04-26
| | | | | | | | | | | | | 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>
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