- 16 May, 2012 1 commit
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Paul Gortmaker authored
The token ring support is going away from the core kernel. Divorce the S390 drivers from it in advance. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Signed-off-by:Paul Gortmaker <paul.gortmaker@windriver.com>
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- 15 May, 2012 7 commits
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Joe Perches authored
Standardize the net core ratelimited logging functions. Coalesce formats, align arguments. Change a printk then vprintk sequence to use printf extension %pV. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Joe Perches authored
__ratelimit() can be considered an inverted bool test because it returns true when not ratelimited. Several tests in the kernel tree use this __ratelimit() function incorrectly. No net_ratelimit uses are incorrect currently though. Most uses of net_ratelimit are to log something via printk or pr_<level>. In order to minimize the uses of net_ratelimit, and to start standardizing the code style used for __ratelimit() and net_ratelimit(), add a net_ratelimited_function() macro and net_<level>_ratelimited() logging macros similar to pr_<level>_ratelimited that use the global net_ratelimit instead of a static per call site "struct ratelimit_state". Signed-off-by:
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Alan Cox authored
dummy0/1/2 names are always used and there are options to set multiple dummy devices. Remove the obsolete text Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=42865Signed-off-by:
Alan Cox <alan@linux.intel.com> Signed-off-by:
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Jan Beulich authored
For several releases, this has not been needed anymore, as no helper functions declared in net/ah.h get implemented by xfrm_algo.c anymore. Signed-off-by:
Jan Beulich <jbeulich@suse.com> Signed-off-by:
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Jan Beulich authored
By making this a standalone config option (auto-selected as needed), selecting CRYPTO from here rather than from XFRM (which is boolean) allows the core crypto code to become a module again even when XFRM=y. Signed-off-by:
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Manish chopra authored
qlcnic-ethtool: set the ethtool_dump flag by ETH_FW_DUMP_DISABLE value that is zero, if firmware dump is disabled. Signed-off-by:
Manish chopra <manish.chopra@qlogic.com> Signed-off-by:
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Manish chopra authored
o flag field of ethtool_dump structure must be initialized by this macro value that is zero, if the firmware dump is disabled. by this we can get the firmware dump capability [enable/disable] via ethtool Signed-off-by:
Ben Hutchings <bhutchings@solarflare.com> Signed-off-by:
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- 14 May, 2012 11 commits
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Giuseppe CAVALLARO authored
Upon resume from standby, there is a possible interrupt unsafe locking scenario raised when configure the Kernel with CONFIG_PROVE_LOCKING. So this patch fixes that in PM driver stuff by calling lock/unlock_irqsave/restore. Signed-off-by:
Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by:
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Giuseppe CAVALLARO authored
In mixed burst (MB) mode, the AHB master always initiates the bursts with fixed-size when the DMA requests transfers of size less than or equal to 16 beats. This patch adds the MB support and the flag that can be passed from the platform to select it. MB mode can also give some benefits in terms of performances on some platforms. v2: fixed Coding Style Signed-off-by:
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Giuseppe CAVALLARO authored
This patch is to extend the number of MAC address registers for 16 to 32. In fact, other new 16 registers are available in new chips and this can help on perfect filter mode for unicast. This patch also fixes the perfect filtering mode by setting the bit 31 in the MAC address registers. v2: fixed Coding Style. Signed-off-by:
Gianni Antoniazzi <gianni.antoniazzi-ext@st.com> Signed-off-by:
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Steven King authored
Some coldfire boards (ie m5253demo) have a dm9000 onboard. Signed-off-by:
Steven King <sfking@fdwdc.com> Signed-off-by:
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Eric Dumazet authored
David pointed out gcc might generate poor code with 31bit fields. Using u16 is more than enough and permits a better code output. Also make the code intent more readable using constants, fixed point arithmetic not being trivial for everybody. Suggested-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
Included changes: * an improvement to avoid to linearise the whole received packet when not needed * an improvement for client traffic rerouting after roaming * a fix for the local translation table state-machine * minor cleanups and fixes
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Sasha Levin authored
Fix the following build error: net/sched/sch_fq_codel.c: In function 'fq_codel_dump_stats': net/sched/sch_fq_codel.c:464:3: error: unknown field 'qdisc_stats' specified in initializer net/sched/sch_fq_codel.c:464:3: warning: missing braces around initializer net/sched/sch_fq_codel.c:464:3: warning: (near initialization for 'st.<anonymous>') net/sched/sch_fq_codel.c:465:3: error: unknown field 'qdisc_stats' specified in initializer net/sched/sch_fq_codel.c:465:3: warning: excess elements in struct initializer net/sched/sch_fq_codel.c:465:3: warning: (near initialization for 'st') net/sched/sch_fq_codel.c:466:3: error: unknown field 'qdisc_stats' specified in initializer net/sched/sch_fq_codel.c:466:3: warning: excess elements in struct initializer net/sched/sch_fq_codel.c:466:3: warning: (near initialization for 'st') net/sched/sch_fq_codel.c:467:3: error: unknown field 'qdisc_stats' specified in initializer net/sched/sch_fq_codel.c:467:3: warning: excess elements in struct initializer net/sched/sch_fq_codel.c:467:3: warning: (near initialization for 'st') make[1]: *** [net/sched/sch_fq_codel.o] Error 1 Signed-off-by:
Sasha Levin <levinsasha928@gmail.com> Signed-off-by:
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Geert Uytterhoeven authored
m68k allmodconfig: net/sched/sch_codel.c: In function ‘dequeue’: net/sched/sch_codel.c:70: error: implicit declaration of function ‘prefetch’ make[1]: *** [net/sched/sch_codel.o] Error 1 Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Acked-by:
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Antonio Quartulli authored
When trying to add a new tt_local_entry, if such entry already exists, we have to ensure that the TT_CLIENT_PENDING flag is not set, otherwise the entry will be deleted soon. Reported-by:
Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by:
Antonio Quartulli <ordex@autistici.org>
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Sven Eckelmann authored
- Add routing_algo - Remove date from README: The date has to be updated when a patch touches the README. Therefore, nearly every feature will modify this date. It can happens quite often that not only one feature is currently in development or waiting on the mailinglist. This creates merge conflicts when applying a patchset. The date itself doesn't provide any additional information when this file is only available in a release tarball or as part of a SCM repository. Signed-off-by:
Sven Eckelmann <sven@narfation.org> Signed-off-by:
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- 13 May, 2012 7 commits
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Sven Eckelmann authored
Signed-off-by:
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Sven Eckelmann authored
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Marek Lindner authored
Reported-by:
David Laight <David.Laight@aculab.com> Signed-off-by:
Marek Lindner <lindner_marek@yahoo.de> Signed-off-by:
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Marek Lindner authored
Signed-off-by:
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Antonio Quartulli authored
In case of a client X roaming from a generic node A to another node B, it is possible that a third node C gets A's OGM but not B's. At this point in time, if C wants to send data to X it will send a unicast packet destined to A. The packet header will contain A's last ttvn (C got A's OGM and so it knows it). The packet will travel towards A without being intercepted because the ttvn contained in its header is the newest for A. Once A will receive the packet, A's state will not report to be in a "roaming phase" (because, after a roaming, once A sends out its OGM, all the changes are committed and the node is considered not to be in the roaming state anymore) and it will match the ttvn carried by the packet. Therefore there is no reason for A to try to alter the packet's route, thus dropping the packet because the destination client is not there anymore. However, C is well aware that it's routing information towards the client X is outdated as it received an OGM from A saying that the client roamed away. Thanks to this detail, this patch introduces a small change in behaviour: as long as C is in the state of not knowing the new location of client X it will forward the traffic to its last known location using ttvn-1 of the destination. By using an older ttvn node A will be forced to re-route the packet. Intermediate nodes are also allowed to update the packet's destination as long as they have the information about the client's new location. Signed-off-by: -
Antonio Quartulli authored
Whenever we want to access headers only, we do not need to linearise the whole packet. Instead we can use pskb_may_pull() Signed-off-by: -
Joe Perches authored
Move and invert the logic from the otherwise unused compare_ether_addr_64bits to ether_addr_equal_64bits. Neaten the logic in is_etherdev_addr. Signed-off-by:
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- 12 May, 2012 14 commits
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Carolyn Wyborny authored
This patch adds new initialization functions and device support for i210 and i211 devices. Signed-off-by:
Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by:
Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Carolyn Wyborny authored
82580 and later parts did not have low power setting functions. This patch adds the specific functions, pointers and assignments for these low power settings. Signed-off-by:
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Eric Dumazet authored
Fair Queue Codel packet scheduler Principles : - Packets are classified (internal classifier or external) on flows. - This is a Stochastic model (as we use a hash, several flows might be hashed on same slot) - Each flow has a CoDel managed queue. - Flows are linked onto two (Round Robin) lists, so that new flows have priority on old ones. - For a given flow, packets are not reordered (CoDel uses a FIFO) - head drops only. - ECN capability is on by default. - Very low memory footprint (64 bytes per flow) tc qdisc ... fq_codel [ limit PACKETS ] [ flows number ] [ target TIME ] [ interval TIME ] [ noecn ] [ quantum BYTES ] defaults : 1024 flows, 10240 packets limit, quantum : device MTU target : 5ms (CoDel default) interval : 100ms (CoDel default) Impressive results on load : class htb 1:1 root leaf 10: prio 0 quantum 1514 rate 200000Kbit ceil 200000Kbit burst 1475b/8 mpu 0b overhead 0b cburst 1475b/8 mpu 0b overhead 0b level 0 Sent 43304920109 bytes 33063109 pkt (dropped 0, overlimits 0 requeues 0) rate 201691Kbit 28595pps backlog 0b 312p requeues 0 lended: 33063109 borrowed: 0 giants: 0 tokens: -912 ctokens: -912 class fq_codel 10:1735 parent 10: (dropped 1292, overlimits 0 requeues 0) backlog 15140b 10p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 7.1ms class fq_codel 10:4524 parent 10: (dropped 1291, overlimits 0 requeues 0) backlog 16654b 11p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 7.1ms class fq_codel 10:4e74 parent 10: (dropped 1290, overlimits 0 requeues 0) backlog 6056b 4p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 6.4ms dropping drop_next 92.0ms class fq_codel 10:628a parent 10: (dropped 1289, overlimits 0 requeues 0) backlog 7570b 5p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 5.4ms dropping drop_next 90.9ms class fq_codel 10:a4b3 parent 10: (dropped 302, overlimits 0 requeues 0) backlog 16654b 11p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 7.1ms class fq_codel 10:c3c2 parent 10: (dropped 1284, overlimits 0 requeues 0) backlog 13626b 9p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 5.9ms class fq_codel 10:d331 parent 10: (dropped 299, overlimits 0 requeues 0) backlog 15140b 10p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 7.0ms class fq_codel 10:d526 parent 10: (dropped 12160, overlimits 0 requeues 0) backlog 35870b 211p requeues 0 deficit 1508 count 12160 lastcount 1 ldelay 15.3ms dropping drop_next 247us class fq_codel 10:e2c6 parent 10: (dropped 1288, overlimits 0 requeues 0) backlog 15140b 10p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 7.1ms class fq_codel 10:eab5 parent 10: (dropped 1285, overlimits 0 requeues 0) backlog 16654b 11p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 5.9ms class fq_codel 10:f220 parent 10: (dropped 1289, overlimits 0 requeues 0) backlog 15140b 10p requeues 0 deficit 1514 count 1 lastcount 1 ldelay 7.1ms qdisc htb 1: root refcnt 6 r2q 10 default 1 direct_packets_stat 0 ver 3.17 Sent 43331086547 bytes 33092812 pkt (dropped 0, overlimits 66063544 requeues 71) rate 201697Kbit 28602pps backlog 0b 260p requeues 71 qdisc fq_codel 10: parent 1:1 limit 10240p flows 65536 target 5.0ms interval 100.0ms ecn Sent 43331086547 bytes 33092812 pkt (dropped 949359, overlimits 0 requeues 0) rate 201697Kbit 28602pps backlog 189352b 260p requeues 0 maxpacket 1514 drop_overlimit 0 new_flow_count 5582 ecn_mark 125593 new_flows_len 0 old_flows_len 11 PING 172.30.42.18 (172.30.42.18) 56(84) bytes of data. 64 bytes from 172.30.42.18: icmp_req=1 ttl=64 time=0.227 ms 64 bytes from 172.30.42.18: icmp_req=2 ttl=64 time=0.165 ms 64 bytes from 172.30.42.18: icmp_req=3 ttl=64 time=0.166 ms 64 bytes from 172.30.42.18: icmp_req=4 ttl=64 time=0.151 ms 64 bytes from 172.30.42.18: icmp_req=5 ttl=64 time=0.164 ms 64 bytes from 172.30.42.18: icmp_req=6 ttl=64 time=0.172 ms 64 bytes from 172.30.42.18: icmp_req=7 ttl=64 time=0.175 ms 64 bytes from 172.30.42.18: icmp_req=8 ttl=64 time=0.183 ms 64 bytes from 172.30.42.18: icmp_req=9 ttl=64 time=0.158 ms 64 bytes from 172.30.42.18: icmp_req=10 ttl=64 time=0.200 ms 10 packets transmitted, 10 received, 0% packet loss, time 8999ms rtt min/avg/max/mdev = 0.151/0.176/0.227/0.022 ms Much better than SFQ because of priority given to new flows, and fast path dirtying less cache lines. Signed-off-by: -
Eric Dumazet authored
As Van pointed out, interval/sqrt(count) can be implemented using multiplies only. http://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Iterative_methods_for_reciprocal_square_roots This patch implements the Newton method and reciprocal divide. Total cost is 15 cycles instead of 120 on my Corei5 machine (64bit kernel). There is a small 'error' for count values < 5, but we don't really care. I reuse a hole in struct codel_vars : - pack the dropping boolean into one bit - use 31bit to store the reciprocal value of sqrt(count). Suggested-by:
Van Jacobson <van@pollere.net> Signed-off-by:
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Jussi Kivilinna authored
Signed-off-by:
Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Jussi Kivilinna authored
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Jussi Kivilinna authored
All other values from device provided buffer are byteswapped, so it seems more logical to do same for these. Signed-off-by:
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Jussi Kivilinna authored
All other values from device provided buffer are byteswapped, so it seems more logical to do same for these. Signed-off-by:
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Linus Walleij authored
This moves the bus message definition to land together with the other message types. This message is not used in the kernel but I'm keeping it anyway. Signed-off-by:
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Linus Walleij authored
This switches a horde of NDIS_*-prefixed variables to the RNDIS_* prefix. Most of them aren't used much and causes no changes. Signed-off-by:
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Linus Walleij authored
Switch the hyperv filter and rndis gadget driver to use the same command enumerators as the other drivers and delete the surplus command codes. Reviewed-by:
Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by:
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Linus Walleij authored
This moves the PnP OID definitions to the RNDIS_* namespace and puts them in the next falling slot in the list. Oh, the comment above the PnP defines was referring to some obsolete or out-of-tree driver so removed it, and removed my own comments telling where each header segment came from as well, we have moved everything around by this point anyway. Signed-off-by:
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Linus Walleij authored
The NDIS_*-prefixed packet types have equivalent RNDIS_*- prefixed types, besides nothing in the kernel use these defines. Signed-off-by:
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Linus Walleij authored
Let's have a unified table of RNDIS media. We used to have a similar table with NDIS_* prefix from the gadget driver, but since we're only using RNDIS in the kernel (IIRC NDIS, non-remote, is for the windows- internal network drivers so what do we care) let's prefix everything with RNDIS. Some of the definitions were conflicting, in one of the defines 0x0B is bearer "CO WAN" and in two others "BPC". Well I took the majority vote. Two definition of medium 0x09 calls it "wireless WAN" but one vote for "wireless LAN" but in this case I am sticking with the minority, "Wide Area Network" does not make much sense in this case as far as I can tell. NOTE: latin singular and plural is so screwed up in these defines that it makes my eyes bleed. But I will not attempt to submit a patch converting all use of _MEDIA_ to _MEDIUM_ while I can probably tell from the semantics of the code that RNDIS_MEDIA_STATE_CONNECTED is most probably (erroneously) referring to a singular, unless it can return an array of connected media. I suspect these erroneous plurals are used in documentation and such so I don't want to mess around with things for no functional change. Signed-off-by:
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