- 28 Jan, 2008 40 commits
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Gerrit Renker authored
This hooks up the TFRC Loss Interval database with CCID 3 packet reception. In addition, it makes the CCID-specific computation of the first loss interval (which requires access to all the guts of CCID3) local to ccid3.c. The patch also fixes an omission in the DCCP code, that of a default / fallback RTT value (defined in section 3.4 of RFC 4340 as 0.2 sec); while at it, the upper bound of 4 seconds for an RTT sample has been reduced to match the initial TCP RTO value of 3 seconds from[RFC 1122, 4.2.3.1]. 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>
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Gerrit Renker authored
This moves two inlines back to packet_history.h: these are not private to packet_history.c, but are needed by CCID3/4 to detect whether a new loss is indicated, or whether a loss is already pending. Signed-off-by:
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Gerrit Renker authored
Each time feedback is sent two lines are printed: ccid3_hc_rx_send_feedback: client ... - entry ccid3_hc_rx_send_feedback: Interval ...usec, X_recv=..., 1/p=... The first line is redundant and thus removed. Further, documentation of ccid3_hc_rx_sock (capitalisation) is made consistent. Signed-off-by:
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Gerrit Renker authored
A ringbuffer-based implementation of loss interval history is easier to maintain, allocate, and update. The `swap' routine to keep the RX history sorted is due to and was written by Arnaldo Carvalho de Melo, simplifying an earlier macro-based variant. Details: * access to the Loss Interval Records via macro wrappers (with safety checks); * simplified, on-demand allocation of entries (no extra memory consumption on lossless links); cache allocation is local to the module / exported as service; * provision of RFC-compliant algorithm to re-compute average loss interval; * provision of comprehensive, new loss detection algorithm - support for all cases of loss, including re-ordered/duplicate packets; - waiting for NDUPACK=3 packets to fill the hole; - updating loss records when a late-arriving packet fills a hole. Signed-off-by:
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Gerrit Renker authored
This moves the inlines (which were previously declared as macros) back into packet_history.h since the loss detection code needs to be able to read entries from the RX history in order to create the relevant loss entries: it needs at least tfrc_rx_hist_loss_prev() and tfrc_rx_hist_last_rcv(), which in turn require the definition of the other inlines (macros). Signed-off-by:
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Gerrit Renker authored
This separates RX/TX initialisation and puts all packet history / loss intervals initialisation into tfrc.c. The organisation is uniform: slab declaration -> {rx,tx}_init() -> {rx,tx}_exit() Signed-off-by: -
Denis V. Lunev authored
Signed-off-by:
Denis V. Lunev <den@openvz.org> Signed-off-by:
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Denis V. Lunev authored
Recently David Miller and Herbert Xu pointed out that struct net becomes overbloated and un-maintainable. There are two solutions: - provide a pointer to a network subsystem definition from struct net. This costs an additional dereferrence - place sub-system definition into the structure itself. This will speedup run-time access at the cost of recompilation time The second approach looks better for us. Other sub-systems will follow. Signed-off-by:
Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by:
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Denis V. Lunev authored
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Daniel Lezcano authored
This patchset makes the different protocols to return an error code, so the af_inet6 module can check the initialization was correct or not. The raw6 was taken into account to be consistent with the rest of the protocols, but the registration is at the same place. Because the raw6 has its own init function, the proto and the ops structure can be moved inside the raw6.c file. Signed-off-by:
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Daniel Lezcano authored
This patch makes the inet6_register_protosw to return an error code. The different protocols can be aware the registration was successful or not and can pass the error to the initial caller, af_inet6. Signed-off-by:
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Daniel Lezcano authored
This patch makes the frag_init to return an error code, so the af_inet6 module can handle the error. Signed-off-by:
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Daniel Lezcano authored
This patch factorize the code for the differents init functions for rthdr, nodata, destopt in a single function exthdrs_init. This function returns an error so the af_inet6 module can check correctly the initialization. Signed-off-by:
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Daniel Lezcano authored
This patch makes the flowlab subsystem to return an error code and makes some cleanup with procfs ifdefs. The af_inet6 will use the flowlabel init return code to check the initialization was correct. Signed-off-by:
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Pavel Emelyanov authored
This includes: * moving neigh_sysctl_(un)register calls inside devinet_sysctl_(un)register ones, as they are always called in pairs; * making __devinet_sysctl_unregister() to unregister the ipv4_devconf struct, while original devinet_sysctl_unregister() works with the in_device to handle both - devconf and neigh sysctls; * make stubs for CONFIG_SYSCTL=n case to get rid of in-code ifdefs. Signed-off-by:
Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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Pavel Emelyanov authored
This is essentially IN_DEV_ANDCONF with proper arguments. Signed-off-by:
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Pavel Emelyanov authored
Make the INET_TWDR_TWKILL_SLOTS vs sizeof(twdr->thread_slots) check nicer. Signed-off-by:
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Pavel Emelyanov authored
The sizeof(struct tcp_skb_cb) should not be less than the sizeof(skb->cb). This is checked in net/ipv4/tcp.c, but this check can be made more gracefully. Signed-off-by:
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Eric Dumazet authored
nl_pid_hash_alloc() is renamed to nl_pid_hash_zalloc(). It is now returning zeroed memory to its callers. Signed-off-by:
Eric Dumazet <dada1@cosmosbay.com> Signed-off-by:
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Eric Dumazet authored
This cleanup shrinks size of net/core/dst.o on i386 from 1299 to 1289 bytes. (This is because dev_hold()/dev_put() are doing atomic_inc()/atomic_dec() and force compiler to re-evaluate memory contents.) Signed-off-by:
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Herbert Xu authored
This patch adds the xfrm_input_state helper function which returns the current xfrm state being processed on the input path given an sk_buff. This is currently only used by xfrm_input but will be used by ESP upon asynchronous resumption. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Gerrit Renker authored
Signed-off-by:
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Gerrit Renker authored
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Gerrit Renker authored
Moved up the comment "Receiver routines" above the first occurrence of RX history routines. Signed-off-by:
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YOSHIFUJI Hideaki authored
With fixes from Arnaldo Carvalho de Melo. Signed-off-by:
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by:
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Denis V. Lunev authored
Signed-off-by:
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by:
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Denis V. Lunev authored
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Denis V. Lunev authored
ipv4: no need pass pointer to a default into fib_detect_death Signed-off-by:
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Daniel Lezcano authored
The patch defines the usual static inline functions when the code is disabled for fib6_rules. That's allow to remove some ifdef in route.c file and make the code a little more clear. Signed-off-by:
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Daniel Lezcano authored
The following patch create the usual static inline functions to disable the xfrm6_init and xfrm6_fini function when XFRM is off. That's allow to remove some ifdef and make the code a little more clear. Signed-off-by:
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Daniel Lezcano authored
Make the proc creation/destruction to be a separate function. That allows to remove the #ifdef CONFIG_PROC_FS in the init/fini function and make them more readable. Signed-off-by:
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Pavel Emelyanov authored
Just move the variable on the struct net and adjust its usage. Others sysctls from sys.net.core table are more difficult to virtualize (i.e. make them per-namespace), but I'll look at them as well a bit later. Signed-off-by:
Pavel Emelyanov <xemul@oenvz.org> Signed-off-by:
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Pavel Emelyanov authored
Some of ctl variables are going to be on the struct net. Here's the way to adjust the ->data pointer on the ctl_table-s to point on the right variable. Since some pointers still point on the global variables, I keep turning the write bits off on such tables. This looks to become a common procedure for net sysctls, so later parts of this code may migrate to some more generic place. Signed-off-by:
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Pavel Emelyanov authored
Making them per-namespace is required for the following two reasons: First, some ctl values have a per-namespace meaning. Second, making them writable from the sub-namespace is an isolation hole. So I introduce the pernet operations to create these tables. For init_net I use the existing statically declared tables, for sub-namespace they are duplicated and the write bits are removed from the mode. Signed-off-by:
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Pavel Emelyanov authored
The SNMP_INC_STATS_OFFSET_BH is used only by ICMP6_INC_STATS_OFFSET_BH. The ICMP6_INC_STATS_OFFSET_BH is unused. Signed-off-by:
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Denis Cheng authored
these three list_head are all local variables, but can also use LIST_HEAD. Signed-off-by:
Denis Cheng <crquan@gmail.com> Signed-off-by:
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Denis Cheng authored
single list_head variable initialized with LIST_HEAD_INIT could almost always can be replaced with LIST_HEAD declaration, this shrinks the code and looks better. Signed-off-by:
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Denis Cheng authored
single list_head variable initialized with LIST_HEAD_INIT could almost always can be replaced with LIST_HEAD declaration, this shrinks the code and looks better. Signed-off-by:
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Denis Cheng authored
single list_head variable initialized with LIST_HEAD_INIT could almost always can be replaced with LIST_HEAD declaration, this shrinks the code and looks better. Signed-off-by:
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Denis Cheng authored
single list_head variable initialized with LIST_HEAD_INIT could almost always can be replaced with LIST_HEAD declaration, this shrinks the code and looks better. Signed-off-by:
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