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2013-01-21ndisc: Break down __ndisc_send().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Fill in ICMPv6 checksum and IPv6 header in ndisc_send_skb().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Use ndisc_send_skb() for redirect.YOSHIFUJI Hideaki / 吉藤英明
Reuse dst if one is attached with skb. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Remove icmp6h argument from ndisc_send_skb().YOSHIFUJI Hideaki / 吉藤英明
skb_transport_header() (thus icmp6_hdr()) is available here, use it. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Make ndisc_fill_xxx_option() for sk_buff.YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Calculate message body length and option length separately.YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Reset skb->trasport_headner inside ndisc_alloc_send_skb().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Defer building IPv6 header.YOSHIFUJI Hideaki / 吉藤英明
Build ICMPv6 message first and make buffer management easier; we can use skb->len when filling checksum in ICMPv6 header, and then build IP header with length field. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Remove dev argument for ndisc_send_skb().YOSHIFUJI Hideaki / 吉藤英明
Since we have skb->dev, use it. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Set skb->dev and skb->protocol inside ndisc_alloc_skb().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Simplify arguments for ip6_nd_hdr().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ipv6: Unshare ip6_nd_hdr() and change return type to void.YOSHIFUJI Hideaki / 吉藤英明
- move ip6_nd_hdr() to its users' source files. In net/ipv6/mcast.c, it will be called ip6_mc_hdr(). - make return type to void since this function never fails. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Introduce ndisc_alloc_skb() helper.YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Introduce ndisc_fill_redirect_hdr_option().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Use skb_linearize() instead of pskb_may_pull(skb, skb->len).YOSHIFUJI Hideaki / 吉藤英明
Suggested by Eric Dumazet <edumazet@google.com>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Move ndisc_opt_addr_space() to include/net/ndisc.h.YOSHIFUJI Hideaki / 吉藤英明
This also makes ndisc_opt_addr_data() and ndisc_fill_addr_option() use ndisc_opt_addr_space(). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21ndisc: Reduce number of arguments for ndisc_fill_addr_option().YOSHIFUJI Hideaki / 吉藤英明
Add pointer to struct net_device (dev) and remove data_len (= dev->addr_len) and addr_type (= dev->type). Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-21xfrm4: Invalidate all ipv4 routes on IPsec pmtu eventsSteffen Klassert
On IPsec pmtu events we can't access the transport headers of the original packet, so we can't find the socket that sent the packet. The only chance to notify the socket about the pmtu change is to force a relookup for all routes. This patch implenents this for the IPsec protocols. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2013-01-21netfilter: x_tables: add xt_bpf matchWillem de Bruijn
Support arbitrary linux socket filter (BPF) programs as x_tables match rules. This allows for very expressive filters, and on platforms with BPF JIT appears competitive with traditional hardcoded iptables rules using the u32 match. The size of the filter has been artificially limited to 64 instructions maximum to avoid bloating the size of each rule using this new match. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-01-21xfrm: fix freed block size calculation in xfrm_policy_fini()Michal Kubecek
Missing multiplication of block size by sizeof(struct hlist_head) can cause xfrm_hash_free() to be called with wrong second argument so that kfree() is called on a block allocated with vzalloc() or __get_free_pages() or free_pages() is called with wrong order when a namespace with enough policies is removed. Bug introduced by commit a35f6c5d, i.e. versions >= 2.6.29 are affected. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2013-01-20net: splice: fix __splice_segment()Eric Dumazet
commit 9ca1b22d6d2 (net: splice: avoid high order page splitting) forgot that skb->head could need a copy into several page frags. This could be the case for loopback traffic mostly. Also remove now useless skb argument from linear_to_page() and __splice_segment() prototypes. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-20net: splice: avoid high order page splittingEric Dumazet
splice() can handle pages of any order, but network code tries hard to split them in PAGE_SIZE units. Not quite successfully anyway, as __splice_segment() assumed poff < PAGE_SIZE. This is true for the skb->data part, not necessarily for the fragments. This patch removes this logic to give the pages as they are in the skb. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Willy Tarreau <w@1wt.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-20ndisc: Make several arguments for ndisc_send_na() boolean.YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-20ipv6: Introduce ipv6_addr_is_solict_mult() to check Solicited Node Multicast ↵YOSHIFUJI Hideaki / 吉藤英明
Addresses. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-20tcp: fix incorrect LOCKDROPPEDICMPS counterEric Dumazet
commit 563d34d057 (tcp: dont drop MTU reduction indications) added an error leading to incorrect accounting of LINUX_MIB_LOCKDROPPEDICMPS If socket is owned by the user, we want to increment this SNMP counter, unless the message is a (ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED) one. Reported-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Neal Cardwell <ncardwell@google.com> Signed-off-by: Maciej Żenczykowski <maze@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-19batman-adv: Start new development cycleAntonio Quartulli
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: update copyright yearsAntonio Quartulli
Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2013-01-19batman-adv: postpone sysfs removal when unregisteringSimon Wunderlich
When processing the unregister notify for a hard interface, removing the sysfs files may lead to a circular deadlock (rtnl mutex <-> s_active). To overcome this problem, postpone the sysfs removal in a worker. Reported-by: Sasha Levin <sasha.levin@oracle.com> Reported-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: rename random32() to prandom_u32()Akinobu Mita
Use more preferable function name which implies using a pseudo-random number generator. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Cc: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Cc: Antonio Quartulli <ordex@autistici.org> Cc: b.a.t.m.a.n@lists.open-mesh.org Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: kernel doc for types.hMarek Lindner
Thanks to Sven Eckelmann and Simon Wunderlich for their support. Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: rename batadv_claim struct to make clear it is used by blaMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: rename batadv_backbone_gw struct to make clear it is used by blaMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: rename batadv_recvlist_node struct to make clear it is used by visMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: rename batadv_if_list_entry struct to make clear it is used by visMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: group tt type definitions togetherMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: mark debug_log struct as bat_priv only structMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: align kernel doc properlyMarek Lindner
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Signed-off-by: Antonio Quartulli <ordex@autistici.org>
2013-01-19batman-adv: a delayed_work has to be initialised onceAntonio Quartulli
A delayed_work struct does not need to be initialized each every time before being enqueued. Therefore the INIT_DELAYED_WORK() macro should be used during the initialization process only. Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
2013-01-18ipv6: remove unneeded check to pskb_may_pull in ipip6_rcvHannes Frederic Sowa
This is already checked by the caller (tunnel64_rcv) and brings ipip6_rcv in line with ipip_rcv. Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-18ndisc: Check NS message length before access.YOSHIFUJI Hideaki / 吉藤英明
Check message length before accessing "target" field, as we do for other types. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-18ipv6: Remove unused neigh argument for icmp6_dst_alloc() and its callers.YOSHIFUJI Hideaki / 吉藤英明
Because of rt->n removal, we do not need neigh argument any more. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-18ipv6: Add an error handler for icmp6Steffen Klassert
pmtu and redirect events are now handled in the protocols error handler, so add an error handler for icmp6 to do this. It is needed in the case when we have no socket context. Based on a patch by Duan Jiong. Reported-by: Duan Jiong <djduanjiong@gmail.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-186lowpan: Handle uncompressed IPv6 packets over 6LoWPANAlan Ott
Handle the reception of uncompressed packets (dispatch type = IPv6). Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-186lowpan: Refactor packet delivery into a functionAlan Ott
Refactor the handing of the skb's to the individual lowpan devices into a function. Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-18net/xfrm/xfrm_replay: avoid division by zeroNickolai Zeldovich
All of the xfrm_replay->advance functions in xfrm_replay.c check if x->replay_esn->replay_window is zero (and return if so). However, one of them, xfrm_replay_advance_bmp(), divides by that value (in the '%' operator) before doing the check, which can potentially trigger a divide-by-zero exception. Some compilers will also assume that the earlier division means the value cannot be zero later, and thus will eliminate the subsequent zero check as dead code. This patch moves the division to after the check. Signed-off-by: Nickolai Zeldovich <nickolai@csail.mit.edu> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2013-01-17sctp: refactor sctp_outq_teardown to insure proper re-initalizationNeil Horman
Jamie Parsons reported a problem recently, in which the re-initalization of an association (The duplicate init case), resulted in a loss of receive window space. He tracked down the root cause to sctp_outq_teardown, which discarded all the data on an outq during a re-initalization of the corresponding association, but never reset the outq->outstanding_data field to zero. I wrote, and he tested this fix, which does a proper full re-initalization of the outq, fixing this problem, and hopefully future proofing us from simmilar issues down the road. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Reported-by: Jamie Parsons <Jamie.Parsons@metaswitch.com> Tested-by: Jamie Parsons <Jamie.Parsons@metaswitch.com> CC: Jamie Parsons <Jamie.Parsons@metaswitch.com> CC: Vlad Yasevich <vyasevich@gmail.com> CC: "David S. Miller" <davem@davemloft.net> CC: netdev@vger.kernel.org Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-17ipv6: Complete neighbour entry removal from dst_entry.YOSHIFUJI Hideaki / 吉藤英明
CC: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-17ipv6: Do not depend on rt->n in ip6_finish_output2().YOSHIFUJI Hideaki / 吉藤英明
If neigh is not found, create new one. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-17ipv6: Do not depend on rt->n in ip6_dst_lookup_tail().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-17ipv6: Do not depend on rt->n in rt6_probe().YOSHIFUJI Hideaki / 吉藤英明
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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