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2020-03-29net: ipv6: add rpl sr tunnelAlexander Aring1-0/+10
This patch adds functionality to configure routes for RPL source routing functionality. There is no IPIP functionality yet implemented which can be added later when the cases when to use IPv6 encapuslation comes more clear. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-08xfrm: make xfrm modes builtinFlorian Westphal1-34/+1
after previous changes, xfrm_mode contains no function pointers anymore and all modules defining such struct contain no code except an init/exit functions to register the xfrm_mode struct with the xfrm core. Just place the xfrm modes core and remove the modules, the run-time xfrm_mode register/unregister functionality is removed. Before: text data bss dec filename 7523 200 2364 10087 net/xfrm/xfrm_input.o 40003 628 440 41071 net/xfrm/xfrm_state.o 15730338 6937080 4046908 26714326 vmlinux 7389 200 2364 9953 net/xfrm/xfrm_input.o 40574 656 440 41670 net/xfrm/xfrm_state.o 15730084 6937068 4046908 26714060 vmlinux The xfrm*_mode_{transport,tunnel,beet} modules are gone. v2: replace CONFIG_INET6_XFRM_MODE_* IS_ENABLED guards with CONFIG_IPV6 ones rather than removing them. Signed-off-by: Florian Westphal <fw@strlen.de> Reviewed-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2018-07-24net: remove blank lines at end of fileStephen Hemminger1-1/+1
Several files have extra line at end of file. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-18ipv6: ila: select CONFIG_DST_CACHEArnd Bergmann1-0/+1
My randconfig builds came across an old missing dependency for ILA: ERROR: "dst_cache_set_ip6" [net/ipv6/ila/ila.ko] undefined! ERROR: "dst_cache_get" [net/ipv6/ila/ila.ko] undefined! ERROR: "dst_cache_init" [net/ipv6/ila/ila.ko] undefined! ERROR: "dst_cache_destroy" [net/ipv6/ila/ila.ko] undefined! We almost never run into this by accident because randconfig builds end up selecting DST_CACHE from some other tunnel protocol, and this one appears to be the only one missing the explicit 'select'. >From all I can tell, this problem first appeared in linux-4.9 when dst_cache support got added to ILA. Fixes: 79ff2fc31e0f ("ila: Cache a route to translated address") Cc: Tom Herbert <tom@herbertland.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-24bpf: Add IPv6 Segment Routing helpersMathieu Xhonneux1-0/+5
The BPF seg6local hook should be powerful enough to enable users to implement most of the use-cases one could think of. After some thinking, we figured out that the following actions should be possible on a SRv6 packet, requiring 3 specific helpers : - bpf_lwt_seg6_store_bytes: Modify non-sensitive fields of the SRH - bpf_lwt_seg6_adjust_srh: Allow to grow or shrink a SRH (to add/delete TLVs) - bpf_lwt_seg6_action: Apply some SRv6 network programming actions (specifically End.X, End.T, End.B6 and End.B6.Encap) The specifications of these helpers are provided in the patch (see include/uapi/linux/bpf.h). The non-sensitive fields of the SRH are the following : flags, tag and TLVs. The other fields can not be modified, to maintain the SRH integrity. Flags, tag and TLVs can easily be modified as their validity can be checked afterwards via seg6_validate_srh. It is not allowed to modify the segments directly. If one wants to add segments on the path, he should stack a new SRH using the End.B6 action via bpf_lwt_seg6_action. Growing, shrinking or editing TLVs via the helpers will flag the SRH as invalid, and it will have to be re-validated before re-entering the IPv6 layer. This flag is stored in a per-CPU buffer, along with the current header length in bytes. Storing the SRH len in bytes in the control block is mandatory when using bpf_lwt_seg6_adjust_srh. The Header Ext. Length field contains the SRH len rounded to 8 bytes (a padding TLV can be inserted to ensure the 8-bytes boundary). When adding/deleting TLVs within the BPF program, the SRH may temporary be in an invalid state where its length cannot be rounded to 8 bytes without remainder, hence the need to store the length in bytes separately. The caller of the BPF program can then ensure that the SRH's final length is valid using this value. Again, a final SRH modified by a BPF program which doesn’t respect the 8-bytes boundary will be discarded as it will be considered as invalid. Finally, a fourth helper is provided, bpf_lwt_push_encap, which is available from the LWT BPF IN hook, but not from the seg6local BPF one. This helper allows to encapsulate a Segment Routing Header (either with a new outer IPv6 header, or by inlining it directly in the existing IPv6 header) into a non-SRv6 packet. This helper is required if we want to offer the possibility to dynamically encapsulate a SRH for non-SRv6 packet, as the BPF seg6local hook only works on traffic already containing a SRH. This is the BPF equivalent of the seg6 LWT infrastructure, which achieves the same purpose but with a static SRH per route. These helpers require CONFIG_IPV6=y (and not =m). Signed-off-by: Mathieu Xhonneux <m.xhonneux@gmail.com> Acked-by: David Lebrun <dlebrun@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-05-08trivial: fix inconsistent help textsGeorg Hofmann1-5/+4
This patch removes "experimental" from the help text where depends on CONFIG_EXPERIMENTAL was already removed. Signed-off-by: Georg Hofmann <georg@hofmannsweb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-01ipmr,ipmr6: Define a uniform vif_deviceYuval Mintz1-0/+1
The two implementations have almost identical structures - vif_device and mif_device. As a step toward uniforming the mr_tables, eliminate the mif_device and relocate the vif_device definition into a new common header file. Also, introduce a common initializing function for setting most of the vif_device fields in a new common source file. This requires modifying the ipv{4,6] Kconfig and ipv4 makefile as we're introducing a new common config option - CONFIG_IP_MROUTE_COMMON. Signed-off-by: Yuval Mintz <yuvalm@mellanox.com> Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-25ipv6: sr: add helper functions for seg6localDavid Lebrun1-0/+1
This patch adds three helper functions to be used with the seg6local packet processing actions. The decap_and_validate() function will be used by the End.D* actions, that decapsulate an SR-enabled packet. The advance_nextseg() function applies the fundamental operations to update an SRH for the next segment. The lookup_nexthop() function helps select the next-hop for the processed SR packets. It supports an optional next-hop address to route the packet specifically through it, and an optional routing table to use. Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07ipv6: sr: define core operations for seg6local lightweight tunnelDavid Lebrun1-1/+2
This patch implements a new type of lightweight tunnel named seg6local. A seg6local lwt is defined by a type of action and a set of parameters. The action represents the operation to perform on the packets matching the lwt's route, and is not necessarily an encapsulation. The set of parameters are arguments for the processing function. Each action is defined in a struct seg6_action_desc within seg6_action_table[]. This structure contains the action, mandatory attributes, the processing function, and a static headroom size required by the action. The mandatory attributes are encoded as a bitmask field. The static headroom is set to a non-zero value when the processing function always add a constant number of bytes to the skb (e.g. the header size for encapsulations). To facilitate rtnetlink-related operations such as parsing, fill_encap, and cmp_encap, each type of action parameter is associated to three function pointers, in seg6_action_params[]. All actions defined in seg6_local.h are detailed in [1]. [1] https://tools.ietf.org/html/draft-filsfils-spring-srv6-network-programming-01 Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-08-07ipv6: sr: export SRH insertion functionsDavid Lebrun1-12/+0
This patch exports the seg6_do_srh_encap() and seg6_do_srh_inline() functions. It also removes the CONFIG_IPV6_SEG6_INLINE knob that enabled the compilation of seg6_do_srh_inline(). This function is now built-in. Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-27ipv6: sr: select DST_CACHE by defaultDavid Lebrun1-0/+1
When CONFIG_IPV6_SEG6_LWTUNNEL is selected, automatically select DST_CACHE. This allows to remove multiple ifdefs. Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-16Merge branch 'master' of ↵David S. Miller1-0/+13
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next Steffen Klassert says: ==================== pull request (net-next): ipsec-next 2017-02-16 1) Make struct xfrm_input_afinfo const, nothing writes to it. From Florian Westphal. 2) Remove all places that write to the afinfo policy backend and make the struct const then. From Florian Westphal. 3) Prepare for packet consuming gro callbacks and add ESP GRO handlers. ESP packets can be decapsulated at the GRO layer then. It saves a round through the stack for each ESP packet. Please note that this has a merge coflict between commit 63fca65d0863 ("net: add confirm_neigh method to dst_ops") from net-next and 3d7d25a68ea5 ("xfrm: policy: remove garbage_collect callback") a2817d8b279b ("xfrm: policy: remove family field") from ipsec-next. The conflict can be solved as it is done in linux-next. Please pull or let me know if there are problems. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-02-15esp: Add a software GRO codepathSteffen Klassert1-0/+13
This patch adds GRO ifrastructure and callbacks for ESP on ipv4 and ipv6. In case the GRO layer detects an ESP packet, the esp{4,6}_gro_receive() function does a xfrm state lookup and calls the xfrm input layer if it finds a matching state. The packet will be decapsulated and reinjected it into layer 2. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2017-02-08gro_cells: move to net/core/gro_cells.cEric Dumazet1-0/+1
We have many gro cells users, so lets move the code to avoid duplication. This creates a CONFIG_GRO_CELLS option. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-16ipv6: sr: add option to control lwtunnel supportDavid Lebrun1-1/+12
This patch adds a new option CONFIG_IPV6_SEG6_LWTUNNEL to enable/disable support of encapsulation with the lightweight tunnels. When this option is enabled, CONFIG_LWTUNNEL is automatically selected. Fix commit 6c8702c60b88 ("ipv6: sr: add support for SRH encapsulation and injection with lwtunnels") Without a proper option to control lwtunnel support for SR-IPv6, if CONFIG_LWTUNNEL=n then the IPv6 initialization fails as a consequence of seg6_iptunnel_init() failure with EOPNOTSUPP: NET: Registered protocol family 10 IPv6: Attempt to unregister permanent protocol 6 IPv6: Attempt to unregister permanent protocol 136 IPv6: Attempt to unregister permanent protocol 17 NET: Unregistered protocol family 10 Tested (compiling, booting, and loading ipv6 module when relevant) with possible combinations of CONFIG_IPV6={y,m,n}, CONFIG_IPV6_SEG6_LWTUNNEL={y,n} and CONFIG_LWTUNNEL={y,n}. Reported-by: Lorenzo Colitti <lorenzo@google.com> Suggested-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-09ipv6: sr: add core files for SR HMAC supportDavid Lebrun1-0/+12
This patch adds the necessary functions to compute and check the HMAC signature of an SR-enabled packet. Two HMAC algorithms are supported: hmac(sha1) and hmac(sha256). In order to avoid dynamic memory allocation for each HMAC computation, a per-cpu ring buffer is allocated for this purpose. A new per-interface sysctl called seg6_require_hmac is added, allowing a user-defined policy for processing HMAC-signed SR-enabled packets. A value of -1 means that the HMAC field will always be ignored. A value of 0 means that if an HMAC field is present, its validity will be enforced (the packet is dropped is the signature is incorrect). Finally, a value of 1 means that any SR-enabled packet that does not contain an HMAC signature or whose signature is incorrect will be dropped. Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-09ipv6: sr: add support for SRH encapsulation and injection with lwtunnelsDavid Lebrun1-0/+12
This patch creates a new type of interfaceless lightweight tunnel (SEG6), enabling the encapsulation and injection of SRH within locally emitted packets and forwarded packets. >From a configuration viewpoint, a seg6 tunnel would be configured as follows: ip -6 ro ad fc00::1/128 encap seg6 mode encap segs fc42::1,fc42::2,fc42::3 dev eth0 Any packet whose destination address is fc00::1 would thus be encapsulated within an outer IPv6 header containing the SRH with three segments, and would actually be routed to the first segment of the list. If `mode inline' was specified instead of `mode encap', then the SRH would be directly inserted after the IPv6 header without outer encapsulation. The inline mode is only available if CONFIG_IPV6_SEG6_INLINE is enabled. This feature was made configurable because direct header insertion may break several mechanisms such as PMTUD or IPSec AH. Signed-off-by: David Lebrun <david.lebrun@uclouvain.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-31fou: fix IPv6 Kconfig optionsArnd Bergmann1-1/+1
The Kconfig options I added to work around broken compilation ended up screwing up things more, as I used the wrong symbol to control compilation of the file, resulting in IPv6 fou support to never be built into the kernel. Changing CONFIG_NET_FOU_IPV6_TUNNELS to CONFIG_IPV6_FOU fixes that problem, I had renamed the symbol in one location but not the other, and as the file is never being used by other kernel code, this did not lead to a build failure that I would have caught. After that fix, another issue with the same patch becomes obvious, as we 'select INET6_TUNNEL', which is related to IPV6_TUNNEL, but not the same, and this can still cause the original build failure when IPV6_TUNNEL is not built-in but IPV6_FOU is. The fix is equally trivial, we just need to select the right symbol. I have successfully build 350 randconfig kernels with this patch and verified that the driver is now being built. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reported-by: Valentin Rothberg <valentinrothberg@gmail.com> Fixes: fabb13db448e ("fou: add Kconfig options for IPv6 support") Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-29fou: add Kconfig options for IPv6 supportArnd Bergmann1-0/+9
A previous patch added the fou6.ko module, but that failed to link in a couple of configurations: net/built-in.o: In function `ip6_tnl_encap_add_fou_ops': net/ipv6/fou6.c:88: undefined reference to `ip6_tnl_encap_add_ops' net/ipv6/fou6.c:94: undefined reference to `ip6_tnl_encap_add_ops' net/ipv6/fou6.c:97: undefined reference to `ip6_tnl_encap_del_ops' net/built-in.o: In function `ip6_tnl_encap_del_fou_ops': net/ipv6/fou6.c:106: undefined reference to `ip6_tnl_encap_del_ops' net/ipv6/fou6.c:107: undefined reference to `ip6_tnl_encap_del_ops' If CONFIG_IPV6=m, ip6_tnl_encap_add_ops/ip6_tnl_encap_del_ops are in a module, but fou6.c can still be built-in, and that obviously fails to link. Also, if CONFIG_IPV6=y, but CONFIG_IPV6_TUNNEL=m or CONFIG_IPV6_TUNNEL=n, the same problem happens for a different reason. This adds two new silent Kconfig symbols to work around both problems: - CONFIG_IPV6_FOU is now always set to 'm' if either CONFIG_NET_FOU=m or CONFIG_IPV6=m - CONFIG_IPV6_FOU_TUNNEL is set implicitly when IPV6_FOU is enabled and NET_FOU_IP_TUNNELS is also turned out, and it will ensure that CONFIG_IPV6_TUNNEL is also available. The options could be made user-visible as well, to give additional room for configuration, but it seems easier not to bother users with more choice here. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: aa3463d65e7b ("fou: Add encap ops for IPv6 tunnels") Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-04gre6: add Kconfig dependency for NET_IPGRE_DEMUXArnd Bergmann1-0/+1
The ipv6 gre implementation was cleaned up to share more code with the ipv4 version, but it can be enabled even when NET_IPGRE_DEMUX is disabled, resulting in a link error: net/built-in.o: In function `gre_rcv': :(.text+0x17f5d0): undefined reference to `gre_parse_header' ERROR: "gre_parse_header" [net/ipv6/ip6_gre.ko] undefined! This adds a Kconfig dependency to prevent that now invalid configuration. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 308edfdf1563 ("gre6: Cleanup GREv6 receive path, call common GRE functions") Acked-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16net: replace dst_cache ip6_tunnel implementation with the generic onePaolo Abeni1-0/+1
This also fix a potential race into the existing tunnel code, which could lead to the wrong dst to be permanenty cached: CPU1: CPU2: <xmit on ip6_tunnel> <cache lookup fails> dst = ip6_route_output(...) <tunnel params are changed via nl> dst_cache_reset() // no effect, // the cache is empty dst_cache_set() // the wrong dst // is permanenty stored // into the cache With the new dst implementation the above race is not possible since the first cache lookup after dst_cache_reset will fail due to the timestamp check Signed-off-by: Paolo Abeni <pabeni@redhat.com> Suggested-and-acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-25ipv4+ipv6: Make INET*_ESP select CRYPTO_ECHAINIVThomas Egerer1-0/+1
The ESP algorithms using CBC mode require echainiv. Hence INET*_ESP have to select CRYPTO_ECHAINIV in order to work properly. This solves the issues caused by a misconfiguration as described in [1]. The original approach, patching crypto/Kconfig was turned down by Herbert Xu [2]. [1] https://lists.strongswan.org/pipermail/users/2015-December/009074.html [2] http://marc.info/?l=linux-crypto-vger&m=145224655809562&w=2 Signed-off-by: Thomas Egerer <hakke_007@gmx.de> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-18ila: add NETFILTER dependencyArnd Bergmann1-0/+1
The recently added generic ILA translation facility fails to build when CONFIG_NETFILTER is disabled: net/ipv6/ila/ila_xlat.c:229:20: warning: 'struct nf_hook_state' declared inside parameter list net/ipv6/ila/ila_xlat.c:235:27: error: array type has incomplete element type 'struct nf_hook_ops' static struct nf_hook_ops ila_nf_hook_ops[] __read_mostly = { This adds an explicit Kconfig dependency to avoid that case. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: 7f00feaf1076 ("ila: Add generic ILA translation facility") Signed-off-by: David S. Miller <davem@davemloft.net>
2015-08-17net: Identifier Locator Addressing moduleTom Herbert1-0/+19
Adding new module name ila. This implements ILA translation. Light weight tunnel redirection is used to perform the translation in the data path. This is configured by the "ip -6 route" command using the "encap ila <locator>" option, where <locator> is the value to set in destination locator of the packet. e.g. ip -6 route add 3333:0:0:1:5555:0:1:0/128 \ encap ila 2001:0:0:1 via 2401:db00:20:911a:face:0:25:0 Sets a route where 3333:0:0:1 will be overwritten by 2001:0:0:1 on output. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-07-13net: Build IPv6 into kernel by defaultTom Herbert1-6/+5
This patch makes the default to build IPv6 into the kernel. IPv6 now has significant traction and any remaining vestiges of IPv6 not being provided parity with IPv4 should be swept away. IPv6 is now core to the Internet and kernel. Points on IPv6 adoption: - Per Google statistics, IPv6 usage has reached 7% on the Internet and continues to exhibit an exponential growth rate https://www.google.com/intl/en/ipv6/statistics.html - Just a few days ago ARIN officially depleted its IPv4 pool - IPv6 only data centers are being successfully built (e.g. at Facebook) This patch changes the IPv6 Kconfig for IPV6. Default for CONFIG_IPV6 is set to "y" and the text has been updated to reflect the maturity of IPv6. Impact: Under some circumstances building modules in to kernel might have a performance advantage. In my testing, I did notice a very slight improvement. This will obviously increase the size of the kernel image. In my configuration I see: IPv6 as module: text data bss dec hex filename 9703666 1899288 933888 12536842 bf4c0a vmlinux IPv6 built into kernel text data bss dec hex filename 9436490 1879600 913408 12229498 ba9b7a vmlinux Which increases text size by ~270K (2.8% increase in size for me). If image size is an issue, presumably for a device which does not do IP networking (IMO we should be discouraging IPv4-only devices), IPV6 can be disabled or still built as a module. Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-20ip6_vti: Fix build when NET_IP_TUNNEL is not set.Steffen Klassert1-0/+1
Since commit 469bdcefdc47a ip6_vti uses ip_tunnel_get_stats64(), so we need to select NET_IP_TUNNEL to have this function available. Fixes: 469bdcefdc ("ipv6: fix the use of pcpu_tstats in ip6_vti.c") Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2013-10-28ipv6: Remove privacy config option.David S. Miller1-18/+0
The code for privacy extentions is very mature, and making it configurable only gives marginal memory/code savings in exchange for obfuscation and hard to read code via CPP ifdef'ery. Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-10ipv6: Add support for IPsec virtual tunnel interfacesSteffen Klassert1-0/+11
This patch adds IPv6 support for IPsec virtual tunnel interfaces (vti). IPsec virtual tunnel interfaces provide a routable interface for IPsec tunnel endpoints. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2013-03-26Tunneling: use IP Tunnel stats APIs.Pravin B Shelar1-0/+2
Use common function get calculate rtnl_link_stats64 stats. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-02-21Merge branch 'akpm' (incoming from Andrew)Linus Torvalds1-1/+1
Merge misc patches from Andrew Morton: - Florian has vanished so I appear to have become fbdev maintainer again :( - Joel and Mark are distracted to welcome to the new OCFS2 maintainer - The backlight queue - Small core kernel changes - lib/ updates - The rtc queue - Various random bits * akpm: (164 commits) rtc: rtc-davinci: use devm_*() functions rtc: rtc-max8997: use devm_request_threaded_irq() rtc: rtc-max8907: use devm_request_threaded_irq() rtc: rtc-da9052: use devm_request_threaded_irq() rtc: rtc-wm831x: use devm_request_threaded_irq() rtc: rtc-tps80031: use devm_request_threaded_irq() rtc: rtc-lp8788: use devm_request_threaded_irq() rtc: rtc-coh901331: use devm_clk_get() rtc: rtc-vt8500: use devm_*() functions rtc: rtc-tps6586x: use devm_request_threaded_irq() rtc: rtc-imxdi: use devm_clk_get() rtc: rtc-cmos: use dev_warn()/dev_dbg() instead of printk()/pr_debug() rtc: rtc-pcf8583: use dev_warn() instead of printk() rtc: rtc-sun4v: use pr_warn() instead of printk() rtc: rtc-vr41xx: use dev_info() instead of printk() rtc: rtc-rs5c313: use pr_err() instead of printk() rtc: rtc-at91rm9200: use dev_dbg()/dev_err() instead of printk()/pr_debug() rtc: rtc-rs5c372: use dev_dbg()/dev_warn() instead of printk()/pr_debug() rtc: rtc-ds2404: use dev_err() instead of printk() rtc: rtc-efi: use dev_err()/dev_warn()/pr_err() instead of printk() ...
2013-02-21sun.com documentation fixesChristian Kujau1-1/+1
After I came across a help text for SUNGEM mentioning a broken sun.com URL, I felt like fixing those up, as they are now pointing to oracle.com URLs. Signed-off-by: Christian Kujau <lists@nerdbynature.de> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-01-11net/ipv6: remove depends on CONFIG_EXPERIMENTALKees Cook1-14/+10
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: "David S. Miller" <davem@davemloft.net> CC: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> CC: James Morris <jmorris@namei.org> CC: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> CC: Patrick McHardy <kaber@trash.net> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: David S. Miller <davem@davemloft.net>
2012-08-14gre: Support GRE over IPv6xeb@mail.ru1-0/+16
GRE over IPv6 implementation. Signed-off-by: Dmitry Kozlov <xeb@mail.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-05-15xfrm: make xfrm_algo.c a moduleJan Beulich1-2/+2
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: Jan Beulich <jbeulich@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-11ipv6: ip6mr: support multiple tablesPatrick McHardy1-0/+14
This patch adds support for multiple independant multicast routing instances, named "tables". Userspace multicast routing daemons can bind to a specific table instance by issuing a setsockopt call using a new option MRT6_TABLE. The table number is stored in the raw socket data and affects all following ip6mr setsockopt(), getsockopt() and ioctl() calls. By default, a single table (RT6_TABLE_DFLT) is created with a default routing rule pointing to it. Newly created pim6reg devices have the table number appended ("pim6regX"), with the exception of devices created in the default table, which are named just "pim6reg" for compatibility reasons. Packets are directed to a specific table instance using routing rules, similar to how regular routing rules work. Currently iif, oif and mark are supported as keys, source and destination addresses could be supported additionally. Example usage: - bind pimd/xorp/... to a specific table: uint32_t table = 123; setsockopt(fd, SOL_IPV6, MRT6_TABLE, &table, sizeof(table)); - create routing rules directing packets to the new table: # ip -6 mrule add iif eth0 lookup 123 # ip -6 mrule add oif eth0 lookup 123 Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-10-07IPv6: Fix 6RD typoAlexandre Cassen1-1/+1
Following fix a small typo. Signed-off-by: Alexandre Cassen <acassen@freebox.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-07ipv6 sit: 6rd (IPv6 Rapid Deployment) Support.YOSHIFUJI Hideaki / 吉藤英明1-0/+19
IPv6 Rapid Deployment (6rd; draft-ietf-softwire-ipv6-6rd) builds upon mechanisms of 6to4 (RFC3056) to enable a service provider to rapidly deploy IPv6 unicast service to IPv4 sites to which it provides customer premise equipment. Like 6to4, it utilizes stateless IPv6 in IPv4 encapsulation in order to transit IPv4-only network infrastructure. Unlike 6to4, a 6rd service provider uses an IPv6 prefix of its own in place of the fixed 6to4 prefix. With this option enabled, the SIT driver offers 6rd functionality by providing additional ioctl API to configure the IPv6 Prefix for in stead of static 2002::/16 for 6to4. Original patch was done by Alexandre Cassen <acassen@freebox.fr> based on old Internet-Draft. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-12trivial: Kconfig: .ko is normally not included in module namesPavel Machek1-1/+1
.ko is normally not included in Kconfig help, make it consistent. Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-03-30trivial: fix typos/grammar errors in Kconfig textsMatt LaPlante1-9/+9
Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2008-07-25ipsec: ipcomp - Merge IPComp implementationsHerbert Xu1-3/+1
This patch merges the IPv4/IPv6 IPComp implementations since most of the code is identical. As a result future enhancements will no longer need to be duplicated. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-27Revert "ipv6: Fix typo in net/ipv6/Kconfig"David S. Miller1-1/+1
This reverts commit 5b3f129c5592ca35b3fe8916767c58b98710478c. As requested by Maciej W. Rozycki. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-24ipv6: Fix typo in net/ipv6/KconfigMichael Beasley1-1/+1
Two is used in the wrong context here, as you are connecting to an IPv6 network over IPv4; not connecting two IPv6 networks to an IPv4 one. Signed-off-by: Michael Beasley <youvegotmoxie@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-13[NET]: Sink IPv6 menuoptions into its own submenuJan Engelhardt1-15/+8
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-08Merge branch 'net-2.6.26-isatap-20080403' of ↵David S. Miller1-0/+4
git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev
2008-04-05[IPV6] MROUTE: Support PIM-SM (SSM).YOSHIFUJI Hideaki1-0/+7
Based on ancient patch by Mickael Hoerdt <hoerdt@clarinet.u-strasbg.fr>, which is available at <http://www-r2.u-strasbg.fr/~hoerdt/dev/linux_ipv6_mforwarding/patch-linux-ipv6-mforwarding-0.1a>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-05[IPV6] MROUTE: Support multicast forwarding.YOSHIFUJI Hideaki1-0/+7
Based on ancient patch by Mickael Hoerdt <hoerdt@clarinet.u-strasbg.fr>, which is available at <http://www-r2.u-strasbg.fr/~hoerdt/dev/linux_ipv6_mforwarding/patch-linux-ipv6-mforwarding-0.1a>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-04-03[IPV6] NDISC: Don't rely on node-type hint from L2 unless required.YOSHIFUJI Hideaki1-0/+4
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2008-03-20[IPV6] KCONFIG: Fix description about IPV6_TUNNEL.YOSHIFUJI Hideaki1-2/+3
Based on notice from "Colin" <colins@sjtu.edu.cn>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-03-04[ESP]: Add select on AUTHENCHerbert Xu1-1/+1
Now the ESP uses the AEAD interface even for algorithms which are not combined mode, we need to select CONFIG_CRYPTO_AUTHENC as otherwise only combined mode algorithms will work. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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