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* [SK_BUFF]: Introduce skb_mac_header()Arnaldo Carvalho de Melo2007-04-2649-88/+108
| | | | | | | | | | | | For the places where we need a pointer to the mac header, it is still legal to touch skb->mac.raw directly if just adding to, subtracting from or setting it to another layer header. This one also converts some more cases to skb_reset_mac_header() that my regex missed as it had no spaces before nor after '=', ugh. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Use skb_set_mac_header in tcp_collapseArnaldo Carvalho de Melo2007-04-261-1/+1
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Do the layer header setting in tcp_collapse relative to skb->dataArnaldo Carvalho de Melo2007-04-261-3/+5
| | | | | | | | That is equal to skb->head before skb_reserve, to help in the layer header changes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF] xfrm: Use skb_set_mac_header in the memmove casesArnaldo Carvalho de Melo2007-04-263-6/+12
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_set_mac_header()Arnaldo Carvalho de Melo2007-04-266-6/+11
| | | | | | | | | For the cases where we want to set skb->mac.raw to an offset from skb->data. Simple cases first, the memmove ones and specially pktgen will be left for later. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LLC]: Use skb_reset_mac_header in llc_mac_hdr_initArnaldo Carvalho de Melo2007-04-261-2/+4
| | | | | | | | skb_push updates and returns skb->data, so we can just call skb_reset_mac_header after the call to skb_push. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [LLC]: Use skb_reset_mac_header in llc_alloc_frameArnaldo Carvalho de Melo2007-04-261-1/+1
| | | | | | | | skb->head is equal to skb->data after alloc_skb, so reset the mac header while this is true, i.e. before skb_reserve. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_reset_mac_header(skb)Arnaldo Carvalho de Melo2007-04-2685-109/+119
| | | | | | | | | | | | For the common, open coded 'skb->mac.raw = skb->data' operation, so that we can later turn skb->mac.raw into a offset, reducing the size of struct sk_buff in 64bit land while possibly keeping it as a pointer on 32bit. This one touches just the most simple case, next will handle the slightly more "complex" cases. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ETH]: Make eth_type_trans set skb->dev like the other *_type_transArnaldo Carvalho de Melo2007-04-26165-230/+15
| | | | | | | One less thing for drivers writers to worry about. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [AOE]: Introduce aoe_hdr()Arnaldo Carvalho de Melo2007-04-263-8/+17
| | | | | | | For consistency with other skb->mac.raw users. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [QETH]: Use eth_hdr()Arnaldo Carvalho de Melo2007-04-261-1/+1
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [HIPPI/FDDI]: Make {hippi,fddi}_type_trans set skb->devArnaldo Carvalho de Melo2007-04-266-9/+5
| | | | | | | Now all the _type_trans routines are consistent in this regard. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TR]: Make tr_type_trans set skb->devArnaldo Carvalho de Melo2007-04-268-15/+4
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TR]: Use tr_hdr() were appropriateArnaldo Carvalho de Melo2007-04-264-9/+11
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SOCKET]: Export __sock_recv_timestampArnaldo Carvalho de Melo2007-04-261-0/+2
| | | | | | | | | | | | | | | | Kernel: arch/x86_64/boot/bzImage is ready (#2) MODPOST 1816 modules WARNING: "__sock_recv_timestamp" [net/sctp/sctp.ko] undefined! WARNING: "__sock_recv_timestamp" [net/packet/af_packet.ko] undefined! WARNING: "__sock_recv_timestamp" [net/key/af_key.ko] undefined! WARNING: "__sock_recv_timestamp" [net/ipv6/ipv6.ko] undefined! WARNING: "__sock_recv_timestamp" [net/atm/atm.ko] undefined! make[2]: *** [__modpost] Error 1 make[1]: *** [modules] Error 2 make: *** [_all] Error 2 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Adding SO_TIMESTAMPNS / SCM_TIMESTAMPNS supportEric Dumazet2007-04-2625-13/+101
| | | | | | | | | | | | | | | | | | | | | Now that network timestamps use ktime_t infrastructure, we can add a new SOL_SOCKET sockopt SO_TIMESTAMPNS. This command is similar to SO_TIMESTAMP, but permits transmission of a 'timespec struct' instead of a 'timeval struct' control message. (nanosecond resolution instead of microsecond) Control message is labelled SCM_TIMESTAMPNS instead of SCM_TIMESTAMP A socket cannot mix SO_TIMESTAMP and SO_TIMESTAMPNS : the two modes are mutually exclusive. sock_recv_timestamp() became too big to be fully inlined so I added a __sock_recv_timestamp() helper function. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> CC: linux-arch@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP]: Use __skb_pull since we have checked it won't fail with pskb_may_pullArnaldo Carvalho de Melo2007-04-261-1/+1
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: New sysctls should use __read_mostly tagsEric Dumazet2007-04-261-3/+3
| | | | | | | | net_msg_warn should be placed in the read_mostly section, to avoid performance problems on SMP Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Ensure to truncate result and return full length for sticky options.YOSHIFUJI Hideaki2007-04-261-2/+2
| | | | | | | Bug noticed by Chris Wright <chrisw@sous-sol.org>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6]: Return correct result for sticky options.YOSHIFUJI Hideaki2007-04-261-4/+23
| | | | | | | | We returned incorrect result with IPV6_RTHDRDSTOPTS, IPV6_RTHDR and IPV6_DSTOPTS. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP]: deinlineStephen Hemminger2007-04-261-4/+4
| | | | | | | | A couple of functions are exported or used indirectly so it is pointless to mark them as inline. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: deinline some functionsStephen Hemminger2007-04-261-5/+5
| | | | | | | | Several functions are marked inline or forced inline, but it would be better to let the compiler decide. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: whitespace cleanupStephen Hemminger2007-04-265-50/+51
| | | | | | | Add whitespace around keywords. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: cleanupStephen Hemminger2007-04-2612-750/+745
| | | | | | | Add whitespace around keywords. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [WIRELESS]: use ARRAY_SIZE()Stephen Hemminger2007-04-261-4/+2
| | | | | | | Use ARRAY_SIZE() macro now. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] core: whitespace cleanupStephen Hemminger2007-04-267-535/+530
| | | | | | | | Fix whitespace around keywords. Fix indentation especially of switch statements. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP]: ipv6 style cleanupStephen Hemminger2007-04-261-6/+6
| | | | | | | | Fix whitespace around keywords. Eliminate unnecessary ()'s on return statements. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP]: ipv4 whitespace cleanupStephen Hemminger2007-04-261-47/+48
| | | | | | | Fix whitespace around keywords. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Replace CONFIG_NET_DEBUG with sysctl.Stephen Hemminger2007-04-266-14/+25
| | | | | | | | Covert network warning messages from a compile time to runtime choice. Removes kernel config option and replaces it with new /proc/sys/net/core/warnings. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolutionEric Dumazet2007-04-2637-22/+146
| | | | | | | | | | Now network timestamps use ktime_t infrastructure, we can add a new ioctl() SIOCGSTAMPNS command to get timestamps in 'struct timespec'. User programs can thus access to nanosecond resolution. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> CC: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP/DCCP/RANDOM]: Remove unused exports.Adrian Bunk2007-04-263-5/+0
| | | | | | | | | | This patch removes the following not or no longer used exports: - drivers/char/random.c: secure_tcp_sequence_number - net/dccp/options.c: sysctl_dccp_feat_sequence_window - net/netlink/af_netlink.c: netlink_set_err Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Abstract out all write queue operations.David S. Miller2007-04-267-117/+221
| | | | | | | This allows the write queue implementation to be changed, for example, to one which allows fast interval searching. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] TIPC: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-261-1/+1
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] SCHED: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-262-2/+2
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] NETFILTER: Use htonl() where appropriate.YOSHIFUJI Hideaki2007-04-261-5/+4
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] IPV4: Use hton{s,l}() where appropriate.YOSHIFUJI Hideaki2007-04-264-26/+25
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] IEEE80211: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-261-1/+1
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] ETHERNET: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-261-1/+1
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] CORE: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-261-1/+1
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] BLUETOOTH: Use cpu_to_le{16,32}() where appropriate.YOSHIFUJI Hideaki2007-04-264-67/+67
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] ATM: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-261-2/+2
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] 8021Q: Use htons() where appropriate.YOSHIFUJI Hideaki2007-04-261-3/+3
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] 802: Use hton{s,l}() where appropriate.YOSHIFUJI Hideaki2007-04-262-4/+4
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP]: Clean up UDP-Lite receive checksumHerbert Xu2007-04-268-120/+109
| | | | | | | | | | | | | | | | | | | | | | This patch eliminates some duplicate code for the verification of receive checksums between UDP-Lite and UDP. It does this by introducing __skb_checksum_complete_head which is identical to __skb_checksum_complete_head apart from the fact that it takes a length parameter rather than computing the first skb->len bytes. As a result UDP-Lite will be able to use hardware checksum offload for packets which do not use partial coverage checksums. It also means that UDP-Lite loopback no longer does unnecessary checksum verification. If any NICs start support UDP-Lite this would also start working automatically. This patch removes the assumption that msg_flags has MSG_TRUNC clear upon entry in recvmsg. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [UDP6]: Restore sk_filter optimisationHerbert Xu2007-04-261-2/+4
| | | | | | | | | | | | | | | This reverts the changeset [IPV6]: UDPv6 checksum. We always need to check UDPv6 checksum because it is mandatory. The sk_filter optimisation has nothing to do whether we verify the checksum. It simply postpones it to the point when the user calls recv or poll. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV4]: Optimize inet_getpeer()Eric Dumazet2007-04-261-16/+22
| | | | | | | | | | | | | | | | 1) Some sysctl vars are declared __read_mostly 2) We can avoid updating stack[] when doing an AVL lookup only. lookup() macro is extended to receive a second parameter, that may be NULL in case of a pure lookup (no need to save the AVL path). This removes unnecessary instructions, because compiler knows if this _stack parameter is NULL or not. text size of net/ipv4/inetpeer.o is 2063 bytes instead of 2107 on x86_64 Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] TCP Yeah: cleanupStephen Hemminger2007-04-261-19/+23
| | | | | | | | | Eliminate need for full 6/4/64 divide to compute queue. Variable maxqueue was really a constant. Fix indentation. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP] tcp_cubic: faster cube rootStephen Hemminger2007-04-261-11/+5
| | | | | | | | | | | | The Newton-Raphson method is quadratically convergent so only a small fixed number of steps are necessary. Therefore it is faster to unroll the loop. Since div64_64 is no longer inline it won't cause code explosion. Also fixes a bug that can occur if x^2 was bigger than 32 bits. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ATM] ENI: Convert to struct timeval to ktime_t.YOSHIFUJI Hideaki2007-04-262-3/+3
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Limit NLMSG_GOODSIZE to 8K.David S. Miller2007-04-262-5/+14
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
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