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2008-02-03[SOCK] proto: Add hashinfo member to struct protoArnaldo Carvalho de Melo
This way we can remove TCP and DCCP specific versions of sk->sk_prot->get_port: both v4 and v6 use inet_csk_get_port sk->sk_prot->hash: inet_hash is directly used, only v6 need a specific version to deal with mapped sockets sk->sk_prot->unhash: both v4 and v6 use inet_hash directly struct inet_connection_sock_af_ops also gets a new member, bind_conflict, so that inet_csk_get_port can find the per family routine. Now only the lookup routines receive as a parameter a struct inet_hashtable. With this we further reuse code, reducing the difference among INET transport protocols. Eventually work has to be done on UDP and SCTP to make them share this infrastructure and get as a bonus inet_diag interfaces so that iproute can be used with these protocols. net-2.6/net/ipv4/inet_hashtables.c: struct proto | +8 struct inet_connection_sock_af_ops | +8 2 structs changed __inet_hash_nolisten | +18 __inet_hash | -210 inet_put_port | +8 inet_bind_bucket_create | +1 __inet_hash_connect | -8 5 functions changed, 27 bytes added, 218 bytes removed, diff: -191 net-2.6/net/core/sock.c: proto_seq_show | +3 1 function changed, 3 bytes added, diff: +3 net-2.6/net/ipv4/inet_connection_sock.c: inet_csk_get_port | +15 1 function changed, 15 bytes added, diff: +15 net-2.6/net/ipv4/tcp.c: tcp_set_state | -7 1 function changed, 7 bytes removed, diff: -7 net-2.6/net/ipv4/tcp_ipv4.c: tcp_v4_get_port | -31 tcp_v4_hash | -48 tcp_v4_destroy_sock | -7 tcp_v4_syn_recv_sock | -2 tcp_unhash | -179 5 functions changed, 267 bytes removed, diff: -267 net-2.6/net/ipv6/inet6_hashtables.c: __inet6_hash | +8 1 function changed, 8 bytes added, diff: +8 net-2.6/net/ipv4/inet_hashtables.c: inet_unhash | +190 inet_hash | +242 2 functions changed, 432 bytes added, diff: +432 vmlinux: 16 functions changed, 485 bytes added, 492 bytes removed, diff: -7 /home/acme/git/net-2.6/net/ipv6/tcp_ipv6.c: tcp_v6_get_port | -31 tcp_v6_hash | -7 tcp_v6_syn_recv_sock | -9 3 functions changed, 47 bytes removed, diff: -47 /home/acme/git/net-2.6/net/dccp/proto.c: dccp_destroy_sock | -7 dccp_unhash | -179 dccp_hash | -49 dccp_set_state | -7 dccp_done | +1 5 functions changed, 1 bytes added, 242 bytes removed, diff: -241 /home/acme/git/net-2.6/net/dccp/ipv4.c: dccp_v4_get_port | -31 dccp_v4_request_recv_sock | -2 2 functions changed, 33 bytes removed, diff: -33 /home/acme/git/net-2.6/net/dccp/ipv6.c: dccp_v6_get_port | -31 dccp_v6_hash | -7 dccp_v6_request_recv_sock | +5 3 functions changed, 5 bytes added, 38 bytes removed, diff: -33 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-31[NETNS]: Tcp-v6 sockets per-net lookup.Pavel Emelyanov
Add a net argument to inet6_lookup and propagate it further. Actually, this is tcp-v6 implementation of what was done for tcp-v4 sockets in a previous patch. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TCP]: Convert several length variable to unsigned.YOSHIFUJI Hideaki
Several length variables cannot be negative, so convert int to unsigned int. This also allows us to do sane shift operations on those variables. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV6]: fix section mismatch warningsDaniel Lezcano
Removed useless and buggy __exit section in the different ipv6 subsystems. Otherwise they will be called inside an init section during rollbacking in case of an error in the protocol initialization. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPSEC]: Make callers of xfrm_lookup to use XFRM_LOOKUP_WAITHerbert Xu
This patch converts all callers of xfrm_lookup that used an explicit value of 1 to indiciate blocking to use the new flag XFRM_LOOKUP_WAIT. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV6]: make the protocol initialization to return an error codeDaniel Lezcano
This patchset makes the different protocols to return an error code, so the af_inet6 module can check the initialization was correct or not. The raw6 was taken into account to be consistent with the rest of the protocols, but the registration is at the same place. Because the raw6 has its own init function, the proto and the ops structure can be moved inside the raw6.c file. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-20[IPV6] TCPMD5: Fix deleting key operation.YOSHIFUJI Hideaki
Due to the bug, refcnt for md5sig pool was leaked when an user try to delete a key if we have more than one key. In addition to the leakage, we returned incorrect return result value for userspace. This fix should close Bug #9418, reported by <ming-baini@163.com>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-20[IPV6] TCPMD5: Check return value of tcp_alloc_md5sig_pool().YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-07[IPV6]: Use the {DEFINE|REF}_PROTO_INUSE infrastructureEric Dumazet
Trivial patch to make "tcpv6,udpv6,udplitev6,rawv6" protocols uses the fast "inuse sockets" infrastructure Each protocol use then a static percpu var, instead of a dynamic one. This saves some ram and some cpu cycles Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-11-02[SG] Get rid of __sg_mark_end()Jens Axboe
sg_mark_end() overwrites the page_link information, but all users want __sg_mark_end() behaviour where we just set the end bit. That is the most natural way to use the sg list, since you'll fill it in and then mark the end point. So change sg_mark_end() to only set the termination bit. Add a sg_magic debug check as well, and clear a chain pointer if it is set. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2007-10-30[NET]: Fix incorrect sg_mark_end() calls.David S. Miller
This fixes scatterlist corruptions added by commit 68e3f5dd4db62619fdbe520d36c9ebf62e672256 [CRYPTO] users: Fix up scatterlist conversion errors The issue is that the code calls sg_mark_end() which clobbers the sg_page() pointer of the final scatterlist entry. The first part fo the fix makes skb_to_sgvec() do __sg_mark_end(). After considering all skb_to_sgvec() call sites the most correct solution is to call __sg_mark_end() in skb_to_sgvec() since that is what all of the callers would end up doing anyways. I suspect this might have fixed some problems in virtio_net which is the sole non-crypto user of skb_to_sgvec(). Other similar sg_mark_end() cases were converted over to __sg_mark_end() as well. Arguably sg_mark_end() is a poorly named function because it doesn't just "mark", it clears out the page pointer as a side effect, which is what led to these bugs in the first place. The one remaining plain sg_mark_end() call is in scsi_alloc_sgtable() and arguably it could be converted to __sg_mark_end() if only so that we can delete this confusing interface from linux/scatterlist.h Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-29[TCP] MD5: Remove some more unnecessary casting.Matthias M. Dellweg
while reviewing the tcp_md5-related code further i came across with another two of these casts which you probably have missed. I don't actually think that they impose a problem by now, but as you said we should remove them. Signed-off-by: Matthias M. Dellweg <2500@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-26[TCP] IPV6: fix softnet build breakageJeff Garzik
net/ipv6/tcp_ipv6.c: In function 'tcp_v6_rcv': net/ipv6/tcp_ipv6.c:1736: error: implicit declaration of function 'get_softnet_dma' net/ipv6/tcp_ipv6.c:1736: warning: assignment makes pointer from integer without a cast Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-26[TCP]: Add missing I/O AT code to ipv6 side.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-26[TCP]: Fix scatterlist handling in MD5 signature support.David S. Miller
Use sg_init_table() and sg_mark_end() as needed. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-15[IPV6]: Replace sk_buff ** with sk_buff * in input handlersHerbert Xu
With all the users of the double pointers removed from the IPv6 input path, this patch converts all occurances of sk_buff ** to sk_buff * in IPv6 input handlers. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10[IPV6]: Add v4mapped address inlineBrian Haley
Add v4mapped address inline to avoid calls to ipv6_addr_type(). Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-09-28[TCP]: Fix MD5 signature handling on big-endian.David S. Miller
Based upon a report and initial patch by Peter Lieven. tcp4_md5sig_key and tcp6_md5sig_key need to start with the exact same members as tcp_md5sig_key. Because they are both cast to that type by tcp_v{4,6}_md5_do_lookup(). Unfortunately tcp{4,6}_md5sig_key use a u16 for the key length instead of a u8, which is what tcp_md5sig_key uses. This just so happens to work by accident on little-endian, but on big-endian it doesn't. Instead of casting, just place tcp_md5sig_key as the first member of the address-family specific structures, adjust the access sites, and kill off the ugly casts. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-08-13[IPV6]: Clean up duplicate includes in net/ipv6/Jesper Juhl
This patch cleans up duplicate includes in net/ipv6/ Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-08-02[TCP]: Invoke tcp_sendmsg() directly, do not use inet_sendmsg().David S. Miller
As discovered by Evegniy Polyakov, if we try to sendmsg after a connection reset, we can do incredibly stupid things. The core issue is that inet_sendmsg() tries to autobind the socket, but we should never do that for TCP. Instead we should just go straight into TCP's sendmsg() code which will do all of the necessary state and pending socket error checks. TCP's sendpage already directly vectors to tcp_sendpage(), so this merely brings sendmsg() in line with that. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-24[TCPv6] MD5SIG: Ensure to reset allocation count to avoid panic.YOSHIFUJI Hideaki
After clearing all passwords for IPv6 peers, we need to set allocation count to zero as well as we free the storage. Otherwise, we panic when a user trys to (re)add a password. Discovered and fixed by MIYAJIMA Mitsuharu <miyajima.mitsuharu@anchor.jp>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-07-10[IPV6]: Do not send RH0 anymore.YOSHIFUJI Hideaki
Based on <draft-ietf-ipv6-deprecate-rh0-00.txt>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-06-12[TCP]: Disable TSO if MD5SIG is enabled.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-05-24[XFRM]: Allow packet drops during larval state resolution.David S. Miller
The current IPSEC rule resolution behavior we have does not work for a lot of people, even though technically it's an improvement from the -EAGAIN buisness we had before. Right now we'll block until the key manager resolves the route. That works for simple cases, but many folks would rather packets get silently dropped until the key manager resolves the IPSEC rules. We can't tell these folks to "set the socket non-blocking" because they don't have control over the non-block setting of things like the sockets used to resolve DNS deep inside of the resolver libraries in libc. With that in mind I coded up the patch below with some help from Herbert Xu which provides packet-drop behavior during larval state resolution, controllable via sysctl and off by default. This lays the framework to either: 1) Make this default at some point or... 2) Move this logic into xfrm{4,6}_policy.c and implement the ARP-like resolution queue we've all been dreaming of. The idea would be to queue packets to the policy, then once the larval state is resolved by the key manager we re-resolve the route and push the packets out. The packets would timeout if the rule didn't get resolved in a certain amount of time. Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[IPV6] SNMP: Fix several warnings without procfs.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
2007-04-25[NET]: Treat CHECKSUM_PARTIAL as CHECKSUM_UNNECESSARYHerbert Xu
When a transmitted packet is looped back directly, CHECKSUM_PARTIAL maps to the semantics of CHECKSUM_UNNECESSARY. Therefore we should treat it as such in the stack. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[NET]: Use csum_start offset instead of skb_transport_headerHerbert Xu
The skb transport pointer is currently used to specify the start of the checksum region for transmit checksum offload. Unfortunately, the same pointer is also used during receive side processing. This creates a problem when we want to retransmit a received packet with partial checksums since the skb transport pointer would be overwritten. This patch solves this problem by creating a new 16-bit csum_start offset value to replace the skb transport header for the purpose of checksums. This offset is calculated from skb->head so that it does not have to change when skb->data changes. No extra space is required since csum_offset itself fits within a 16-bit word so we can use the other 16 bits for csum_start. For backwards compatibility, just before we push a packet with partial checksums off into the device driver, we set the skb transport header to what it would have been under the old scheme. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[SK_BUFF]: Introduce tcp_hdr(), remove skb->h.thArnaldo Carvalho de Melo
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[TCP]: Introduce tcp_hdrlen() and tcp_optlen()Arnaldo Carvalho de Melo
The ip_hdrlen() buddy, created to reduce the number of skb->h.th-> uses and to avoid the longer, open coded equivalent. Ditched a no-op in bnx2 in the process. I wonder if we should have a BUG_ON(skb->h.th->doff < 5) in tcp_optlen()... Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[SK_BUFF]: Introduce ipv6_hdr(), remove skb->nh.ipv6hArnaldo Carvalho de Melo
Now the skb->nh union has just one member, .raw, i.e. it is just like the skb->mac union, strange, no? I'm just leaving it like that till the transport layer is done with, when we'll rename skb->mac.raw to skb->mac_header (or ->mac_header_offset?), ditto for ->{h,nh}. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-04-25[SK_BUFF]: Introduce skb_network_header()Arnaldo Carvalho de Melo
For the places where we need a pointer to the network header, it is still legal to touch skb->nh.raw directly if just adding to, subtracting from or setting it to another layer header. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-03-16[IPV6]: ipv6_fl_socklist is inadvertently shared.Masayuki Nakagawa
The ipv6_fl_socklist from listening socket is inadvertently shared with new socket created for connection. This leads to a variety of interesting, but fatal, bugs. For example, removing one of the sockets may lead to the other socket's encountering a page fault when the now freed list is referenced. The fix is to not share the flow label list with the new socket. Signed-off-by: Masayuki Nakagawa <nakagawa.msy@ncos.nec.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-10[NET] IPV6: Fix whitespace errors.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-08[IPV4/IPV6]: Always wait for IPSEC SA resolution in socket contexts.David S. Miller
Do this even for non-blocking sockets. This avoids the silly -EAGAIN that applications can see now, even for non-blocking sockets in some cases (f.e. connect()). With help from Venkat Tekkirala. Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[TCP]: Fix warnings with TCP_MD5SIG disabled.Andrew Morton
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[NET]: Possible cleanups.Adrian Bunk
This patch contains the following possible cleanups: - make the following needlessly global functions statis: - ipv4/tcp.c: __tcp_alloc_md5sig_pool() - ipv4/tcp_ipv4.c: tcp_v4_reqsk_md5_lookup() - ipv4/udplite.c: udplite_rcv() - ipv4/udplite.c: udplite_err() - make the following needlessly global structs static: - ipv4/tcp_ipv4.c: tcp_request_sock_ipv4_ops - ipv4/tcp_ipv4.c: tcp_sock_ipv4_specific - ipv6/tcp_ipv6.c: tcp_request_sock_ipv6_ops - net/ipv{4,6}/udplite.c: remove inline's from static functions (gcc should know best when to inline them) Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[NET]: Split skb->csumAl Viro
... into anonymous union of __wsum and __u32 (csum and csum_offset resp.) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[NET]: Fix assorted misannotations (from md5 and udplite merges).Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[IPV6]: Use kmemdupArnaldo Carvalho de Melo
Code diff stats: [acme@newtoy net-2.6.20]$ codiff /tmp/ipv6.ko.before /tmp/ipv6.ko.after /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/ip6_output.c: ip6_output | -52 ip6_append_data | +2 2 functions changed, 2 bytes added, 52 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/addrconf.c: addrconf_sysctl_register | -27 1 function changed, 27 bytes removed /pub/scm/linux/kernel/git/acme/net-2.6.20/net/ipv6/tcp_ipv6.c: tcp_v6_syn_recv_sock | -32 tcp_v6_parse_md5_keys | -24 2 functions changed, 56 bytes removed /tmp/ipv6.ko.after: 5 functions changed, 2 bytes added, 135 bytes removed [acme@newtoy net-2.6.20]$ Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2006-12-02[NET]: Annotate __skb_checksum_complete() and friends.Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[NET]: annotate csum_ipv6_magic() callers in net/*Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[IPV6]: Misc endianness annotations.Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[TCP]: Fix some warning when MD5 is disabled.David S. Miller
Just some mis-placed ifdefs: net/ipv4/tcp_minisocks.c: In function ‘tcp_twsk_destructor’: net/ipv4/tcp_minisocks.c:364: warning: unused variable ‘twsk’ net/ipv6/tcp_ipv6.c:1846: warning: ‘tcp_sock_ipv6_specific’ defined but not used net/ipv6/tcp_ipv6.c:1877: warning: ‘tcp_sock_ipv6_mapped_specific’ defined but not used Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[TCP]: MD5 Signature Option (RFC2385) support.YOSHIFUJI Hideaki
Based on implementation by Rick Payne. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[TCP/DCCP]: Introduce net_xmit_evalGerrit Renker
Throughout the TCP/DCCP (and tunnelling) code, it often happens that the return code of a transmit function needs to be tested against NET_XMIT_CN which is a value that does not indicate a strict error condition. This patch uses a macro for these recurring situations which is consistent with the already existing macro net_xmit_errno, saving on duplicated code. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
2006-12-02[TCP]: Remove dead code in init_sequenceGerrit Renker
This removes two redundancies: 1) The test (skb->protocol == htons(ETH_P_IPV6) in tcp_v6_init_sequence() is always true, due to * tcp_v6_conn_request() is the only function calling this one * tcp_v6_conn_request() redirects all skb's with ETH_P_IP protocol to tcp_v4_conn_request() [ cf. top of tcp_v6_conn_request()] 2) The first argument, `struct sock *sk' of tcp_v{4,6}_init_sequence() is never used. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[IPV6] tcp: Fix typo _read_mostly --> __read_mostly.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[NET]: Size listen hash tables using backlog hintEric Dumazet
We currently allocate a fixed size (TCP_SYNQ_HSIZE=512) slots hash table for each LISTEN socket, regardless of various parameters (listen backlog for example) On x86_64, this means order-1 allocations (might fail), even for 'small' sockets, expecting few connections. On the contrary, a huge server wanting a backlog of 50000 is slowed down a bit because of this fixed limit. This patch makes the sizing of listen hash table a dynamic parameter, depending of : - net.core.somaxconn tunable (default is 128) - net.ipv4.tcp_max_syn_backlog tunable (default : 256, 1024 or 128) - backlog value given by user application (2nd parameter of listen()) For large allocations (bigger than PAGE_SIZE), we use vmalloc() instead of kmalloc(). We still limit memory allocation with the two existing tunables (somaxconn & tcp_max_syn_backlog). So for standard setups, this patch actually reduce RAM usage. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-12-02[IPV6]: 'info' argument of ipv6 ->err_handler() is net-endianAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2006-10-11[NET]: Use typesafe inet_twsk() inline function instead of cast.YOSHIFUJI Hideaki
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>