- 02 1月, 2014 3 次提交
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由 Li RongQing 提交于
since the prune parameter for fib6_clean_all always is 0, remove it. Signed-off-by: NLi RongQing <roy.qing.li@gmail.com> Acked-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 stephen hemminger 提交于
Running 'make namespacecheck' shows: net/ipv6/route.o ipv6_route_table_template rt6_bind_peer net/ipv6/icmp.o icmpv6_route_lookup ipv6_icmp_table_template This addresses some of those warnings by: * make icmpv6_route_lookup static * move inline's out of ip6_route.h since only used into route.c * move rt6_bind_peer into route.c Signed-off-by: NStephen Hemminger <stephen@networkplumber.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 stephen hemminger 提交于
The function __rtnl_af_register is never called outside this code, and the return value is always 0. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 01 1月, 2014 1 次提交
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由 Li RongQing 提交于
Since addrconf_get_prefix_route inputs the address prefix to fib6_locate, which does not uses the data which is out of the prefix_len length, so do not need to use ipv6_addr_prefix to get address prefix. Signed-off-by: NLi RongQing <roy.qing.li@gmail.com> Acked-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 27 12月, 2013 1 次提交
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由 Weilong Chen 提交于
Fix some checkpatch errors for tcp_ipv6.c Signed-off-by: NWeilong Chen <chenweilong@huawei.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 23 12月, 2013 1 次提交
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由 stephen hemminger 提交于
Need to be able to see changes to proxy NDP status on a per interface basis via netlink (analog to proxy_arp). Signed-off-by: NStephen Hemminger <stephen@networkplumber.org> Acked-by: NNicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 12月, 2013 2 次提交
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由 Hannes Frederic Sowa 提交于
IPV6_PMTU_INTERFACE is the same as IPV6_PMTU_PROBE for ipv6. Add it nontheless for symmetry with IPv4 sockets. Also drop incoming MTU information if this mode is enabled. The additional bit in ipv6_pinfo just eats in the padding behind the bitfield. There are no changes to the layout of the struct at all. Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Hannes Frederic Sowa 提交于
The other field in ipv4_config, log_martians, was converted to a per-interface setting, so we can just remove the whole structure. Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 16 12月, 2013 1 次提交
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由 Jerry Chu 提交于
It was reported that Commit 299603e8 ("net-gro: Prepare GRO stack for the upcoming tunneling support") triggered a compiler warning in ipv6_exthdrs_len(): net/ipv6/ip6_offload.c: In function ‘ipv6_gro_complete’: net/ipv6/ip6_offload.c:178:24: warning: ‘optlen’ may be used uninitialized in this function [-Wmaybe-u opth = (void *)opth + optlen; ^ net/ipv6/ip6_offload.c:164:22: note: ‘optlen’ was declared here int len = 0, proto, optlen; ^ Note that there was no real bug here - optlen was never uninitialized before use. (Was the version of gcc I used smarter to not complain?) Reported-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NH.K. Jerry Chu <hkchu@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 14 12月, 2013 1 次提交
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由 Hannes Frederic Sowa 提交于
Commit 299603e8 ("net-gro: Prepare GRO stack for the upcoming tunneling support") used an uninitialized variable which leads to the following compiler warning: net/ipv6/ip6_offload.c: In function ‘ipv6_gro_complete’: net/ipv6/ip6_offload.c:178:24: warning: ‘optlen’ may be used uninitialized in this function [-Wmaybe-uninitialized] opth = (void *)opth + optlen; ^ net/ipv6/ip6_offload.c:164:22: note: ‘optlen’ was declared here int len = 0, proto, optlen; ^ Fix it up. Cc: Jerry Chu <hkchu@google.com> Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 12月, 2013 2 次提交
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由 Florent Fourcot 提交于
Introduced by 1397ed35 "ipv6: add flowinfo for tcp6 pkt_options for all cases" Reported-by: Nkbuild test robot <fengguang.wu@intel.com> V2: fix the title, add empty line after the declaration (Sergei Shtylyov feedbacks) Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jerry Chu 提交于
This patch modifies the GRO stack to avoid the use of "network_header" and associated macros like ip_hdr() and ipv6_hdr() in order to allow an arbitary number of IP hdrs (v4 or v6) to be used in the encapsulation chain. This lays the foundation for various IP tunneling support (IP-in-IP, GRE, VXLAN, SIT,...) to be added later. With this patch, the GRO stack traversing now is mostly based on skb_gro_offset rather than special hdr offsets saved in skb (e.g., skb->network_header). As a result all but the top layer (i.e., the the transport layer) must have hdrs of the same length in order for a pkt to be considered for aggregation. Therefore when adding a new encap layer (e.g., for tunneling), one must check and skip flows (e.g., by setting NAPI_GRO_CB(p)->same_flow to 0) that have a different hdr length. Note that unlike the network header, the transport header can and will continue to be set by the GRO code since there will be at most one "transport layer" in the encap chain. Signed-off-by: NH.K. Jerry Chu <hkchu@google.com> Suggested-by: NEric Dumazet <edumazet@google.com> Reviewed-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 12月, 2013 1 次提交
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由 Jiri Benc 提交于
RFC 4191 states in 3.5: When a host avoids using any non-reachable router X and instead sends a data packet to another router Y, and the host would have used router X if router X were reachable, then the host SHOULD probe each such router X's reachability by sending a single Neighbor Solicitation to that router's address. A host MUST NOT probe a router's reachability in the absence of useful traffic that the host would have sent to the router if it were reachable. In any case, these probes MUST be rate-limited to no more than one per minute per router. Currently, when the neighbour corresponding to a router falls into NUD_FAILED, it's never considered again. Introduce a new rt6_nud_state value, RT6_NUD_FAIL_PROBE, which suggests the route should not be used but should be probed with a single NS. The probe is ratelimited by the existing code. To better distinguish meanings of the failure values, rename RT6_NUD_FAIL_SOFT to RT6_NUD_FAIL_DO_RR. Signed-off-by: NJiri Benc <jbenc@redhat.com> Acked-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 11 12月, 2013 4 次提交
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由 Patrick McHardy 提交于
Fix a crash in synproxy_send_tcp() when using the SYNPROXY target in the PREROUTING chain caused by missing routing information. Reported-by: NNicki P. <xastx@gmx.de> Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org>
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由 Florent Fourcot 提交于
This patch is following b579035f "ipv6: remove old conditions on flow label sharing" Since there is no reason to restrict a label to a destination, we should not erase the destination value of a socket with the value contained in the flow label storage. This patch allows to really have the same flow label to more than one destination. Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr> Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Stefan Tomanek 提交于
This changes ensures that the routing entry investigated by the suppress function actually does point to a device struct before following that pointer, fixing a possible kernel oops situation when verifying the interface group associated with a routing table entry. According to Daniel Golle, this Oops can be triggered by a user process trying to establish an outgoing IPv6 connection while having no real IPv6 connectivity set up (only autoassigned link-local addresses). Fixes: 6ef94cfa ("fib_rules: add route suppression based on ifgroup") Reported-by: NDaniel Golle <daniel.golle@gmail.com> Tested-by: NDaniel Golle <daniel.golle@gmail.com> Signed-off-by: NStefan Tomanek <stefan.tomanek@wertarbyte.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Turned out that applications like ifconfig do not handle the change. So revert ifa_flag format back to 2-letter hex value. Introduced by: commit 479840ff "ipv6 addrconf: extend ifa_flags to u32" Reported-by: NAlexander Aring <alex.aring@gmail.com> Signed-off-by: NJiri Pirko <jiri@resnulli.us> Tested-by: NFLorent Fourcot <florent.fourcot@enst-bretagne.fr> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 12月, 2013 10 次提交
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由 Florent Fourcot 提交于
Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr> Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florent Fourcot 提交于
And use it if possible. Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr> Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florent Fourcot 提交于
tclass information in now already stored in rcv_flowinfo We do not need to store the same information twice. Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr> Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florent Fourcot 提交于
Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr> Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florent Fourcot 提交于
The current implementation of IPV6_FLOWINFO only gives a result if pktoptions is available (thanks to the ip6_datagram_recv_ctl function). It gives inconsistent results to user space, sometimes there is a result for getsockopt(IPV6_FLOWINFO), sometimes not. This patch add rcv_flowinfo to store it, and return it to the userspace in the same way than other pkt_options. Signed-off-by: NFlorent Fourcot <florent.fourcot@enst-bretagne.fr> Reviewed-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Hannes Frederic Sowa 提交于
Brett Ciphery reported that new ipv6 addresses failed to get installed because the addrconf generated dsts where counted against the dst gc limit. We don't need to count those routes like we currently don't count administratively added routes. Because the max_addresses check enforces a limit on unbounded address generation first in case someone plays with router advertisments, we are still safe here. Reported-by: NBrett Ciphery <brett.ciphery@windriver.com> Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Make the behaviour similar to ipv4. This will allow user to set sysctl default neigh param values and these values will be respected even by devices registered before (that ones what do not have address set yet). Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
This will be needed later on to provide better management of default values. Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
This patch converts the neigh param members to an array. This allows easier manipulation which will be needed later on to provide better management of default values. Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 07 12月, 2013 4 次提交
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由 Jiri Pirko 提交于
Creating an address with this flag set will result in kernel taking care of temporary addresses in the same way as if the address was created by kernel itself (after RA receive). This allows userspace applications implementing the autoconfiguration (NetworkManager for example) to implement ipv6 addresses privacy. Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NThomas Haller <thaller@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
There is no more space in u8 ifa_flags. So do what davem suffested and add another netlink attr called IFA_FLAGS for carry more flags. Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NThomas Haller <thaller@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
ip6_forward() runs from softirq context, we can use the SNMP macros assuming this. Use same indentation for all IP6_INC_STATS_BH() calls. Signed-off-by: NEric Dumazet <edumazet@google.com> Acked-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jeff Kirsher 提交于
Several files refer to an old address for the Free Software Foundation in the file header comment. Resolve by replacing the address with the URL <http://www.gnu.org/licenses/> so that we do not have to keep updating the header comments anytime the address changes. 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: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 06 12月, 2013 1 次提交
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由 Steffen Klassert 提交于
FLOWI_FLAG_CAN_SLEEP was used to notify xfrm about the posibility to sleep until the needed states are resolved. This code is gone, so FLOWI_FLAG_CAN_SLEEP is not needed anymore. Signed-off-by: NSteffen Klassert <steffen.klassert@secunet.com>
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- 03 12月, 2013 3 次提交
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由 Kamala R 提交于
The behaviour of blackhole and prohibit routes has been corrected by setting the input and output pointers of the dst variable appropriately. For blackhole routes, they are set to dst_discard and to ip6_pkt_discard and ip6_pkt_discard_out respectively for prohibit routes. ipv6: ip6_pkt_prohibit(_out) should not depend on CONFIG_IPV6_MULTIPLE_TABLES We need ip6_pkt_prohibit(_out) available without CONFIG_IPV6_MULTIPLE_TABLES Signed-off-by: NKamala R <kamala@aristanetworks.com> Acked-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 François-Xavier Le Bail 提交于
Signed-off-by: NFrancois-Xavier Le Bail <fx.lebail@yahoo.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Duan Jiong 提交于
when dealing with a RA message, if accept_ra_defrtr is false, the kernel will not add the default route, and then deal with the following route information options. Unfortunately, those options maybe contain default route, so let's judge the accept_ra_defrtr before calling rt6_route_rcv. Signed-off-by: NDuan Jiong <duanj.fnst@cn.fujitsu.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 01 12月, 2013 1 次提交
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由 Hannes Frederic Sowa 提交于
IPv6 stats are 64 bits and thus are protected with a seqlock. By not disabling bottom-half we could deadlock here if we don't disable bh and a softirq reentrantly updates the same mib. Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 29 11月, 2013 2 次提交
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由 Baker Zhang 提交于
since f9242b6b inet: Sanitize inet{,6} protocol demux. there are not pretended hash tables for ipv4 or ipv6 protocol handler. Signed-off-by: NBaker Zhang <Baker.kernel@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Gao feng 提交于
In failure case, we should use kfree_skb not dev_kfree_skb to free skbuff, dev_kfree_skb is defined as consume_skb. Trace takes advantage of this point. Signed-off-by: NGao feng <gaofeng@cn.fujitsu.com> Acked-by: NEric Dumazet <edumazet@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 24 11月, 2013 2 次提交
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由 Hannes Frederic Sowa 提交于
Offenders don't have port numbers, so set it to 0. Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Hannes Frederic Sowa 提交于
Commit bceaa902 ("inet: prevent leakage of uninitialized memory to user in recv syscalls") conditionally updated addr_len if the msg_name is written to. The recv_error and rxpmtu functions relied on the recvmsg functions to set up addr_len before. As this does not happen any more we have to pass addr_len to those functions as well and set it to the size of the corresponding sockaddr length. This broke traceroute and such. Fixes: bceaa902 ("inet: prevent leakage of uninitialized memory to user in recv syscalls") Reported-by: NBrad Spengler <spender@grsecurity.net> Reported-by: Tom Labanowski Cc: mpb <mpb.mail@gmail.com> Cc: David S. Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: NHannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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