- 24 1月, 2013 9 次提交
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由 Yuval Mintz 提交于
Mostly corrects white spaces, indentations, and comments. Signed-off-by: NYuval Mintz <yuvalmin@broadcom.com> Signed-off-by: NAriel Elior <ariele@broadcom.com> Signed-off-by: NEilon Greenstein <eilong@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Claudiu Manoil 提交于
Reactivate promiscuous mode in H/W upon gfar_init_mac(), if the net dev requires it (IFF_PROMISC flag set). This way the promisc mode is preserved accross device reset conditions like tx timeout, device restore, a.s.o. Signed-off-by: NVoncken C Acksys <cedric.voncken@acksys.fr> Signed-off-by: NClaudiu Manoil <claudiu.manoil@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Tom Herbert says: ==================== This series implements so_reuseport (SO_REUSEPORT socket option) for TCP and UDP. For TCP, so_reuseport allows multiple listener sockets to be bound to the same port. In the case of UDP, so_reuseport allows multiple sockets to bind to the same port. To prevent port hijacking all sockets bound to the same port using so_reuseport must have the same uid. Received packets are distributed to multiple sockets bound to the same port using a 4-tuple hash. The motivating case for so_resuseport in TCP would be something like a web server binding to port 80 running with multiple threads, where each thread might have it's own listener socket. This could be done as an alternative to other models: 1) have one listener thread which dispatches completed connections to workers. 2) accept on a single listener socket from multiple threads. In case #1 the listener thread can easily become the bottleneck with high connection turn-over rate. In case #2, the proportion of connections accepted per thread tends to be uneven under high connection load (assuming simple event loop: while (1) { accept(); process() }, wakeup does not promote fairness among the sockets. We have seen the disproportion to be as high as 3:1 ratio between thread accepting most connections and the one accepting the fewest. With so_reusport the distribution is uniform. The TCP implementation has a problem in that the request sockets for a listener are attached to a listener socket. If a SYN is received, a listener socket is chosen and request structure is created (SYN-RECV state). If the subsequent ack in 3WHS does not match the same port by so_reusport, the connection state is not found (reset) and the request structure is orphaned. This scenario would occur when the number of listener sockets bound to a port changes (new ones are added, or old ones closed). We are looking for a solution to this, maybe allow multiple sockets to share the same request table... The motivating case for so_reuseport in UDP would be something like a DNS server. An alternative would be to recv on the same socket from multiple threads. As in the case of TCP, the load across these threads tends to be disproportionate and we also see a lot of contection on the socket lock. Note that SO_REUSEADDR already allows multiple UDP sockets to bind to the same port, however there is no provision to prevent hijacking and nothing to distribute packets across all the sockets sharing the same bound port. This patch does not change the semantics of SO_REUSEADDR, but provides usable functionality of it for unicast. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Motivation for soreuseport would be something like a DNS server. An alternative would be to recv on the same socket from multiple threads. As in the case of TCP, the load across these threads tends to be disproportionate and we also see a lot of contection on the socket lock. Note that SO_REUSEADDR already allows multiple UDP sockets to bind to the same port, however there is no provision to prevent hijacking and nothing to distribute packets across all the sockets sharing the same bound port. This patch does not change the semantics of SO_REUSEADDR, but provides usable functionality of it for unicast. Signed-off-by: NTom Herbert <therbert@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Motivation for soreuseport would be something like a web server binding to port 80 running with multiple threads, where each thread might have it's own listener socket. This could be done as an alternative to other models: 1) have one listener thread which dispatches completed connections to workers. 2) accept on a single listener socket from multiple threads. In case #1 the listener thread can easily become the bottleneck with high connection turn-over rate. In case #2, the proportion of connections accepted per thread tends to be uneven under high connection load (assuming simple event loop: while (1) { accept(); process() }, wakeup does not promote fairness among the sockets. We have seen the disproportion to be as high as 3:1 ratio between thread accepting most connections and the one accepting the fewest. With so_reusport the distribution is uniform. Signed-off-by: NTom Herbert <therbert@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Allow multiple UDP sockets to bind to the same port. Motivation soreuseport would be something like a DNS server. An alternative would be to recv on the same socket from multiple threads. As in the case of TCP, the load across these threads tends to be disproportionate and we also see a lot of contection on the socketlock. Note that SO_REUSEADDR already allows multiple UDP sockets to bind to the same port, however there is no provision to prevent hijacking and nothing to distribute packets across all the sockets sharing the same bound port. This patch does not change the semantics of SO_REUSEADDR, but provides usable functionality of it for unicast. Signed-off-by: NTom Herbert <therbert@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Allow multiple listener sockets to bind to the same port. Motivation for soresuseport would be something like a web server binding to port 80 running with multiple threads, where each thread might have it's own listener socket. This could be done as an alternative to other models: 1) have one listener thread which dispatches completed connections to workers. 2) accept on a single listener socket from multiple threads. In case #1 the listener thread can easily become the bottleneck with high connection turn-over rate. In case #2, the proportion of connections accepted per thread tends to be uneven under high connection load (assuming simple event loop: while (1) { accept(); process() }, wakeup does not promote fairness among the sockets. We have seen the disproportion to be as high as 3:1 ratio between thread accepting most connections and the one accepting the fewest. With so_reusport the distribution is uniform. Signed-off-by: NTom Herbert <therbert@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tom Herbert 提交于
Definitions and macros for implementing soreusport. Signed-off-by: NTom Herbert <therbert@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Matt Wilson 提交于
Sometimes it is useful to be able to change the MAC address of the interface for netback devices. For example, when using ebtables it may be useful to be able to distinguish traffic from different interfaces without depending on the interface name. Reported-by: NNikita Borzykh <sample.n@gmail.com> Reported-by: NPaul Harvey <stockingpaul@hotmail.com> Cc: netdev@vger.kernel.org Cc: xen-devel@lists.xen.org Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: NIan Campbell <ian.campbell@citrix.com> Signed-off-by: NMatt Wilson <msw@amazon.com> Reviewed-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 23 1月, 2013 9 次提交
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由 Cong Wang 提交于
Fengguang reported: net/core/netpoll.c: In function 'netpoll_setup': net/core/netpoll.c:1049:6: warning: 'err' may be used uninitialized in this function [-Wmaybe-uninitialized] in !CONFIG_IPV6 case, we may error out without initializing 'err'. Reported-by: NFengguang Wu <fengguang.wu@intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Cong Wang 提交于
It is declared in: include/net/ip6_route.h:187:int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)); and net/ip6_route.h is already included. Cc: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux由 David S. Miller 提交于
Paul Gortmaker says: ==================== The Ethernet-HowTo was maintained for roughly 10 years, from 1993 to 2003. Fortunately sane hardware probing and auto detection (via PCI and ISA/PnP) largely made the document a relic of the past, hence it being abandoned a decade ago. However, there is one last useful thing that we can extract from the effort made in maintaining that document. We can use it to guide us with respect to what rare, experimental and/or super ancient 10Mbit ISA drivers don't make sense to maintain in-tree anymore. Nobody will argue that ISA is obsolete. Availability went away at about the time Pentium3 motherboards moved from 500MHz Slot1/SECC processors to the green 500MHz Socket 370 Pentium3 chips, at the turn of the century. In theory, it is possible that someone could still be running one of these 12+ year old P3 machines and want 3.9+ bleeding edge kernels (but unlikely). In light of the above (remote) possibility, we can defer the removal of some ISA network drivers that were highly popular and well tested. Typically that means the stuff more from the mid to late '90s, some with ISA PnP support, like the 3c509, the wd/SMC 8390 based stuff, PCnet/lance etc. But a lot of other drivers, typically from the early 1990s were for rare hardware, and experimental (to the point of requiring a cron job that would do a test ping, and then ifconfig down/up and/or a rmmod/insmod!). And some of these drivers (znet, and lp486e to name two) are physically tied to platforms with on motherboard ethernet -- of 486 machines that date from the early 1990s and can only have single digit amounts of memory. What I'd like to achieve here with this series, is to get rid of those old drivers that are no longer being used. In an earlier discussion where I'd proposed deleting a single driver, Alan suggested we instead dump all the historical stuff in one go, to make it "...immediately obvious where the break point is..."[1] and that it was "perfectly reasonable it (and a pile of other ISA cards) ought to be shown the door"[2]. So that is the goal here - make a clear line in the sand where the really ancient stuff finally gets kicked to the curb. Two old parallel port drivers are considered for removal here as well, since in early 386/486 ISA machines, the parallel port was typically found with the UARTS on the multi-I/O ISA controller card. These drivers also date from the early 1990's; parallel ports are no longer found on modern boards, and their performance was not even capable of 10% of 10Mbit bandwidth. Allow me a preemptive justification against the inevitable comments from well meaning bystanders who suggest "why not just leave all this alone?". Dead drivers cost us all if they are left in tree. If you think that is false, then please first consider: -every time you type "git status", you are checking to see if modifications have been made by you to all that dead code. -every time you type "git grep <regex>" you are searching through files which contain that dead code that simply does not interest you. -every time you build a "allyesconfig" and an "allmodconfig" (don't tell me you skip this step before submitting your changes to a maintainer), you waste CPU cycles building this dead code. -every time there is a tree wide API change, or cleanup, or file relocation, we pay the cost of updating dead code, or moving dead code. -daily regression tests (take linux-next as the most transparent example) spend time building (and possibly running) this dead code. -hard working people who regularly run auditing tools looking for lurking bugs (sparse/coverity/smatch/coccinelle) are wasting time checking for, and fixing bugs in this dead code. This last one is key. Please take a look at the git history for the files that are proposed for removal here. Look at the git history for any one of them ("git whatchanged --follow drivers/net/.../driver.c") Mentally sort the changes into two bins -- (1) the robotic tree-wide changes, and (2) the "look I found a real run-time bug while using this" category. You will see that category #2 is essentially empty. Further to that, realize that drivers don't simply disappear. We are not operating in the binary-only distribution space like other OS. All these drivers remain in the git history forever. If a person is an enthusiast for extreme legacy hardware, they are probably already customizing their kernel source and building it themselves to support such systems. Also keep in mind that they could still build the 3.8 kernel exactly as-is, and run it (or a 3.8.x stable variant of it) for several more years if they were really determined to cling to these old experimental ISA drivers for some reason. In summary, I hope that folks can be pragmatic about this, and not get swept up in nostalgia. Ask yourself whether it is realistic to expect a person would have a genuine use case where they would need to build a 3.9+ modern kernel and install it on some legacy hardware that has no option but to absolutely _require_ one of the drivers that are deleted here. The following series was created with --irreversible-delete for ease of review (it skips showing the content of files that are deleted); however the complete patches can be pulled as per below. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Since we have removed NCE (Neighbour Cache Entry) reference from routing entries, the only refcnt holders of an NCE are its timer (if running) and its owner table, in usual cases. As a result, neigh_periodic_work() purges NCEs over and over again even for gateways. It does not make sense to purge entries, if number of them is very small, so keep them. The minimum number of entries to keep is specified by gc_thresh1. Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Nicolas Dichtel 提交于
mfc_mcastgrp and mfc_origin are __be32, thus we need to convert INADDR_ANY. Because INADDR_ANY is 0, this patch just fix sparse warnings. Reported-by: NFengguang Wu <fengguang.wu@intel.com> Signed-off-by: NNicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 1月, 2013 22 次提交
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由 Paul Gortmaker 提交于
The last update to the Ethernet HowTo (over 10 years ago) listed this: ------------------------ SEEQ 8005 Status: Obsolete, Driver Name: seeq8005 There is little information about the card included in the driver, and hence little information to be put here. If you have a question, you are probably best trying to e-mail the driver author as listed in the source. It was marked obsolete as of the 2.4 series kernels. ------------------------ If it was obsolete over a decade ago, the situation can not have improved with the passage of time, so let us act on that. Even with today's improved search engines, I was unable to locate any real meaningful information on the ISA implementation of this rare chip. There are ARM and SGI variants of the driver in tree, but they do not depend on the original x86 driver source or header file. We leave those non-x86 drivers to be deleted by the arch maintainers when they decide to expire those legacy platforms as a whole. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
This is another one that makes sense to target for obsolescence, since it (a)appeared pre-1995, and (b)was rather rare, and (c)did not really have any statistically significant active linux user base. Removing this ISA 10Mbit driver support is unlikely to be even noticed by the user base of 3.9+ linux kernels, especially when the documentation clearly indicates the vintage with this text: "...designed to work with all kernels > 1.1.33" Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
These are old ISA 10Mbit cards from the 1st 1/2 of the 1990s and required manual jumper settings in order to configure them. Here we remove them on the premise that they are no longer used in any modern 3.9+ kernels. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
This is an area I know all too well, after being author of several 8390 drivers, and maintainer of all 8390 drivers during a large part of their active lifecycle. To that end, I can say this with a reasonable degree of confidence. The drivers deleted here represent the earliest (as in early 1990) hardware and/or rare hardware. The remaining hardware not deleted here is the more modern/sane of the lot, with ISA-PnP and jumperless "soft configuration" like the wd and smc cards had. The original ne2000 driver (ne.c) gets a pass at this time since AT/LANTIC based cards that could be both ne2000 or wd-like (with shared memory) and with jumperless configuration were made in the mid to late 1990's, and performed reasonably well for their era. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
This is another driver for relatively rare 10Mbit hardware that originated in the early 1990's. So we select it for removal at this point in time as well. Cc: Mika Kuoppala <miku@iki.fi> Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
These Fujitsu MB86965 based ISA 10Mbit cards were another of the relatively rare cards dating from the early 1990s that for one reason or another didn't seem to get a lot of use in linux. So we retire it now with a reasonable degree of confidence that it won't impact anyone. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
These cards were only available in 8bit format, and in addition they only had AUI and BNC(10-Base2) interfaces (i.e. no RJ-45). In fact, they are so rare, that an internet search on these old cards almost comes up empty, unless the "Micom interlan" name is used. This puts them in the equivalent domain as the 3c501, so there should be no strong opposition to the driver removal, as nobody is seriously using 3.9+ with 8 bit ISA hardware. In doing so, the whole "ethernet/racal" category becomes empty, so we clean up the Makefile/Kconfig and subdir appropriately. Cc: Andreas Mohr <andi@lisas.de> Cc: Jan-Pascal van Best <janpascal@vanbest.org> Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
Like the other drivers that were in the ISA i825xx family, the ni52 was rather rare, not widely used, and hence perhaps not as reliable as the more mainstream ISA drivers that were heavily used. Given that, it is chosen for retirement at this time as well. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
This driver supported early to mid 1990's Zenith laptops, of the 2" thick variety. The driver was already dead 10+ years ago, but we see this in the source: ---------------- /* 10/2002 [...] Tested on a vintage Zenith Z-Note 433Lnp+. Probably broken on anything else. Testers (and detailed bug reports) are welcome :-). ---------------- To clarify, a 433 translates into a 486 at 33MHz, and a system with a default of 4MB RAM. I can't fault the noble effort to keep things working a decade ago, but at this point in time, there is no valid justification to continue carrying this driver along. Note that there is no associated Space.c cleanup here since this driver was using module_init to hook itself in. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
These old drivers should not be confused with the very common PCI cards that are supported by e100.c -- these older 10Mbit ISA only drivers were not as commonly used as some of the other ISA drivers, simply due to hardware availability and pricing. Given the rarity of the hardware, and the subsequent less extensive use of the drivers, it makes sense to obsolete them at this point in time, along with other rare/experimental ISA drivers. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
For those of us who were around in the early to mid 1990's, we will remember that the i825xx ethernet support was not something that was considered sufficiently vetted for 24/7 use. Folks might be inclined to use *functional* ISA hardware on some near expired P3 ISA machines for dedicated workhorse applications, but the odds of using (and relying on) one of these old/experimental drivers is essentially nil. So lets remove them. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
The parallel port is largely replaced by USB, and even in the day where these drivers were current, the documented speed was less than 100kB/s. Let us not pretend that anyone cares about these drivers anymore, or worse - pretend that anyone is using them on a modern kernel. As a side bonus, this is the end of legacy parallel port ethernet, so we get to drop the whole chunk relating to that in the legacy Space.c file containing the non-PCI unified probe dispatch. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
It was amusing that linux was able to make use of this 1980's technology on machines long past its intended lifespan, but it probably should go now. To set some context, the 3c501 was designed in the 1980's to be used on 8088 PC-XT 8bit ISA machines. It was built using a large number of discrete TTL components and truly looks like a relic of the ancient past before large scale integration was common. But from a functional point of view, the real issue, as stated in the (also obsolete) Ethernet-HowTo, is that "...the 3c501 can only do one thing at a time -- while you are removing one packet from the single-packet buffer it cannot receive another packet, nor can it receive a packet while loading a transmit packet." You know things are not good when the Kconfig help text suggests you make a cron job doing a ping every minute. Hardware that old and crippled is simply not going to be used by anyone in a time where 10 year old 100Mbit PCI cards (that are still functional) are largely give-away items. Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
This driver was specific to a "professional workstation" line of products from around 1993 that used the i82596 ethernet chip as an on-board ethernet solution. With a 486 processor, and the premium top of the line model maxing out at a clock speed of 50MHz, we can safely retire this support. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
The Apricot was a 486 PC with 4MB RAM, and an on-board ethernet via an intel i82596 hard-wired to i/o 0x300. Those who were using linux in the 1990's will recall that the i82596 driver was not one of the more stable or widely used drivers of its day. Combine that with the extremely limited resources of the platform, and it is truly time to expire the support for this thing. There are some old m68k targets who were also using this chip, so rather than poll the m68k user base, we simply cut out the x86/Apricot support here in this commit. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Tilman Schmidt 提交于
Cosmetic changes to drivers/isdn/gigaset/ev-layer.c and drivers/isdn/gigaset/gigaset.h to improve readability. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tilman Schmidt 提交于
Rearrange the gigaset_freecs() function to make it more readable, and adapt gigaset_initcs() accordingly. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tilman Schmidt 提交于
Avoid forward declarations and remove a needless initialization. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tilman Schmidt 提交于
Some firmware releases of Gigaset M105 do not accept AT+VLS=0 command in DLE mode, so always leave DLE mode before sending the command. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Tilman Schmidt 提交于
Fix up some of the readibility deterioration caused by last year's ISDN whitespace coding style cleanup. Note that the checkpatch complaints all apply to the state of the source before this patch as well, and in many cases even more so. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Julia Lawall 提交于
Delete successive tests to the same location. rc was previously tested and not subsequently updated. efx_phc_adjtime can return an error code, so the call is updated so that is tested instead. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @s exists@ local idexpression y; expression x,e; @@ *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) { ... when forall return ...; } ... when != \(y = e\|y += e\|y -= e\|y |= e\|y &= e\|y++\|y--\|&y\) when != \(XT_GETPAGE(...,y)\|WMI_CMD_BUF(...)\) *if ( \(x == NULL\|IS_ERR(x)\|y != 0\) ) { ... when forall return ...; } // </smpl> Signed-off-by: NJulia Lawall <Julia.Lawall@lip6.fr> Acked-by: NBen Hutchings <bhutchings@solarflare.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 YOSHIFUJI Hideaki / 吉藤英明 提交于
Commit 2152caea ("ipv6: Do not depend on rt->n in rt6_probe().") introduce a bug to try to update "updated" time in neighbour structure. Update the "updated" time only if neighbour is available. Bug was found by Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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