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* [AF_PACKET]: Add option to return orig_dev to userspace.Peter P. Waskiewicz Jr2007-04-251-0/+1
| | | | | | | | | | | | | | | Add a packet socket option to allow the orig_dev index to be returned to userspace when passing traffic through a decapsulated device, such as the bonding driver. This is very useful for layer 2 traffic being able to report which physical device actually received the traffic, instead of having the encapsulating device hide that information. The new option is called PACKET_ORIGDEV. Signed-off-by: Peter P. Waskiewicz Jr. <peter.p.waskiewicz.jr@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPV6] SNMP: Netlink interface.YOSHIFUJI Hideaki2007-04-251-0/+1
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [INET]: Add IP(V6)_PMTUDISC_RPOBEJohn Heffner2007-04-252-0/+2
| | | | | | | | | | | Add IP(V6)_PMTUDISC_PROBE value for IP(V6)_MTU_DISCOVER. This option forces us not to fragment, but does not make use of the kernel path MTU discovery. That is, it allows for user-mode MTU probing (or, packetization-layer path MTU discovery). This is particularly useful for diagnostic utilities, like traceroute/tracepath. Signed-off-by: John Heffner <jheffner@psc.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Switch cb_lock spinlock to mutex and allow to override itPatrick McHardy2007-04-251-1/+4
| | | | | | | | | | Switch cb_lock to mutex and allow netlink kernel users to override it with a subsystem specific mutex for consistent locking in dump callbacks. All netlink_dump_start users have been audited not to rely on any side-effects of the previously used spinlock. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: ebt_arp: add gratuitous arp filteringBart De Schuymer2007-04-251-1/+3
| | | | | | | | | | | | | The attached patch adds gratuitous arp filtering, more precisely: it allows checking that the IPv4 source address matches the IPv4 destination address inside the ARP header. It also adds a check for the hardware address type when matching MAC addresses (nothing critical, just for better consistency). Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: bridge-nf: filter bridged IPv4/IPv6 encapsulated in pppoe trafficMichael Milner2007-04-253-2/+13
| | | | | | | | | | | The attached patch by Michael Milner adds support for using iptables and ip6tables on bridged traffic encapsulated in ppoe frames, similar to what's already supported for vlan. Signed-off-by: Michael Milner <milner@blissisland.ca> Signed-off-by: Bart De Schuymer <bdschuym@pandora.be> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Complete documentation of dccp_sockGerrit Renker2007-04-251-11/+10
| | | | | | | | | This fills in missing documentation for dccp_sock fields. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* bridge: eliminate call by referenceStephen Hemminger2007-04-251-1/+2
| | | | | | | | Change the bridging hook to be simple function with return value rather than modifying the skb argument. This could generate better code and is cleaner. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
* [NET]: Treat CHECKSUM_PARTIAL as CHECKSUM_UNNECESSARYHerbert Xu2007-04-251-5/+11
| | | | | | | | | 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>
* [NET]: Use csum_start offset instead of skb_transport_headerHerbert Xu2007-04-251-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | 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>
* [IPV6] FIB6RULE: Find source address during looking up route.YOSHIFUJI Hideaki2007-04-251-4/+7
| | | | | | | | | | | When looking up route for destination with rules with source address restrictions, we may need to find a source address for the traffic if not given. Based on patch from Noriaki TAKAMIYA <takamiya@po.ntts.co.jp>. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Move generic skbuff stuff from XFRM code to generic codeDavid Howells2007-04-251-0/+6
| | | | | | | | | | | | Move generic skbuff stuff from XFRM code to generic code so that AF_RXRPC can use it too. The kdoc comments I've attached to the functions needs to be checked by whoever wrote them as I had to make some guesses about the workings of these functions. Signed-off-By: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-251-0/+15
| | | | | | | To clearly state the intent of copying to linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
* [NET]: Inline net_device_statsRusty Russell2007-04-251-0/+2
| | | | | | | | | | | | | | | | | | | | Network drivers which keep stats allocate their own stats structure then write a get_stats() function to return them. It would be nice if this were done by default. 1) Add a new "stats" field to "struct net_device". 2) Add a new feature field to say "this driver uses the internal one" 3) Have a default "get_stats" which returns NULL if that feature not set. 4) Change callers to check result of get_stats call for NULL, not if ->get_stats is set. This should not break backwards compatibility with older drivers, yet allow modern drivers to shed some boilerplate code. Lightly tested: works for a modified lguest network driver. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-251-0/+14
| | | | | | | To clearly state the intent of copying from linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [NET]: Allow forwarding of ip_summed except CHECKSUM_COMPLETEHerbert Xu2007-04-251-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | Right now Xen has a horrible hack that lets it forward packets with partial checksums. One of the reasons that CHECKSUM_PARTIAL and CHECKSUM_COMPLETE were added is so that we can get rid of this hack (where it creates two extra bits in the skbuff to essentially mirror ip_summed without being destroyed by the forwarding code). I had forgotten that I've already gone through all the deivce drivers last time around to make sure that they're looking at ip_summed == CHECKSUM_PARTIAL rather than ip_summed != 0 on transmit. In any case, I've now done that again so it should definitely be safe. Unfortunately nobody has yet added any code to update CHECKSUM_COMPLETE values on forward so we I'm setting that to CHECKSUM_NONE. This should be safe to remove for bridging but I'd like to check that code path first. So here is the patch that lets us get rid of the hack by preserving ip_summed (mostly) on forwarded packets. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] fib_rules: Add no-operation actionThomas Graf2007-04-251-1/+1
| | | | | | | | | The use of nop rules simplifies the usage of goto rules and adds more flexibility as they allow targets to remain while the actual content of the branches can change easly. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] fib_rules: Mark rules detached from the deviceThomas Graf2007-04-251-0/+1
| | | | | | | | | | | | | | | | | Rules which match against device names in their selector can remain while the device itself disappears, in fact the device doesn't have to present when the rule is added in the first place. The device name is resolved by trying when the rule is added and later by listening to NETDEV_REGISTER/UNREGISTER notifications. This patch adds the flag FIB_RULE_DEV_DETACHED which is set towards userspace when a rule contains a device match which is unresolved at the moment. This eases spotting the reason why certain rules seem not to function properly. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET] fib_rules: goto rule actionThomas Graf2007-04-251-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a new rule action FR_ACT_GOTO which allows to skip a set of rules by jumping to another rule. The rule to jump to is specified via the FRA_GOTO attribute which carries a rule preference. Referring to a rule which doesn't exists is explicitely allowed. Such goto rules are marked with the flag FIB_RULE_UNRESOLVED and will act like a rule with a non-matching selector. The rule will become functional as soon as its target is present. The goto action enables performance optimizations by reducing the average number of rules that have to be passed per lookup. Example: 0: from all lookup local 40: not from all to 192.168.23.128 goto 32766 41: from all fwmark 0xa blackhole 42: from all fwmark 0xff blackhole 32766: from all lookup main Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: kill destroy() in struct nf_conntrack for dietYasuyuki Kozakai2007-04-252-2/+3
| | | | | | | | | The destructor per conntrack is unnecessary, then this replaces it with system wide destructor. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: don't use nfct in skb if conntrack is disabledYasuyuki Kozakai2007-04-252-21/+14
| | | | | | Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETLINK]: Remove error pointer from netlink message handlerThomas Graf2007-04-251-1/+1
| | | | | | | | | | | | | | | | | | The error pointer argument in netlink message handlers is used to signal the special case where processing has to be interrupted because a dump was started but no error happened. Instead it is simpler and more clear to return -EINTR and have netlink_run_queue() deal with getting the queue right. nfnetlink passed on this error pointer to its subsystem handlers but only uses it to signal the start of a netlink dump. Therefore it can be removed there as well. This patch also cleans up the error handling in the affected message handlers to be consistent since it had to be touched anyway. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [RTNL]: Message handler registration interfaceThomas Graf2007-04-251-7/+0
| | | | | | | | | This patch adds a new interface to register rtnetlink message handlers replacing the exported rtnl_links[] array which required many message handlers to be exported unnecessarly. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* [DCCP]: Sample RTT from SYN exchangeGerrit Renker2007-04-251-0/+2
| | | | Function:
* [NETLINK]: Remove NLMSG_{NEW_ANSWER,CANCEL,END}Arnaldo Carvalho de Melo2007-04-251-12/+0
| | | | | | Not used anywhere and defined inside __KERNEL__, Thomas acked this on irc. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [SK_BUFF]: Remove skb_add_mtu() leftoversArnaldo Carvalho de Melo2007-04-251-1/+0
| | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [NETLINK]: Introduce nlmsg_hdr() helperArnaldo Carvalho de Melo2007-04-251-0/+5
| | | | | | | | | For the common "(struct nlmsghdr *)skb->data" sequence, so that we reduce the number of direct accesses to skb->data and for consistency with all the other cast skb member helpers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Convert skb->end to sk_buff_data_tArnaldo Carvalho de Melo2007-04-251-5/+18
| | | | | | | | Now to convert the last one, skb->data, that will allow many simplifications and removal of some of the offset helpers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Convert skb->tail to sk_buff_data_tArnaldo Carvalho de Melo2007-04-254-18/+51
| | | | | | | | | | | | | | | So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes on 64bit architectures, allowing us to combine the 4 bytes hole left by the layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4 64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN... :-) Many calculations that previously required that skb->{transport,network, mac}_header be first converted to a pointer now can be done directly, being meaningful as offsets or pointers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Use offsets for skb->{mac,network,transport}_header on 64bit ↵Arnaldo Carvalho de Melo2007-04-251-18/+86
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | architectures With this we save 8 bytes per network packet, leaving a 4 bytes hole to be used in further shrinking work, likely with the offsetization of other pointers, such as ->{data,tail,end}, at the cost of adds, that were minimized by the usual practice of setting skb->{mac,nh,n}.raw to a local variable that is then accessed multiple times in each function, it also is not more expensive than before with regards to most of the handling of such headers, like setting one of these headers to another (transport to network, etc), or subtracting, adding to/from it, comparing them, etc. Now we have this layout for sk_buff on a x86_64 machine: [acme@mica net-2.6.22]$ pahole vmlinux sk_buff struct sk_buff { struct sk_buff * next; /* 0 8 */ struct sk_buff * prev; /* 8 8 */ struct rb_node rb; /* 16 24 */ struct sock * sk; /* 40 8 */ ktime_t tstamp; /* 48 8 */ struct net_device * dev; /* 56 8 */ /* --- cacheline 1 boundary (64 bytes) --- */ struct net_device * input_dev; /* 64 8 */ sk_buff_data_t transport_header; /* 72 4 */ sk_buff_data_t network_header; /* 76 4 */ sk_buff_data_t mac_header; /* 80 4 */ /* XXX 4 bytes hole, try to pack */ struct dst_entry * dst; /* 88 8 */ struct sec_path * sp; /* 96 8 */ char cb[48]; /* 104 48 */ /* cacheline 2 boundary (128 bytes) was 24 bytes ago*/ unsigned int len; /* 152 4 */ unsigned int data_len; /* 156 4 */ unsigned int mac_len; /* 160 4 */ union { __wsum csum; /* 4 */ __u32 csum_offset; /* 4 */ }; /* 164 4 */ __u32 priority; /* 168 4 */ __u8 local_df:1; /* 172 1 */ __u8 cloned:1; /* 172 1 */ __u8 ip_summed:2; /* 172 1 */ __u8 nohdr:1; /* 172 1 */ __u8 nfctinfo:3; /* 172 1 */ __u8 pkt_type:3; /* 173 1 */ __u8 fclone:2; /* 173 1 */ __u8 ipvs_property:1; /* 173 1 */ /* XXX 2 bits hole, try to pack */ __be16 protocol; /* 174 2 */ void (*destructor)(struct sk_buff *); /* 176 8 */ struct nf_conntrack * nfct; /* 184 8 */ /* --- cacheline 3 boundary (192 bytes) --- */ struct sk_buff * nfct_reasm; /* 192 8 */ struct nf_bridge_info *nf_bridge; /* 200 8 */ __u16 tc_index; /* 208 2 */ __u16 tc_verd; /* 210 2 */ dma_cookie_t dma_cookie; /* 212 4 */ __u32 secmark; /* 216 4 */ __u32 mark; /* 220 4 */ unsigned int truesize; /* 224 4 */ atomic_t users; /* 228 4 */ unsigned char * head; /* 232 8 */ unsigned char * data; /* 240 8 */ unsigned char * tail; /* 248 8 */ /* --- cacheline 4 boundary (256 bytes) --- */ unsigned char * end; /* 256 8 */ }; /* size: 264, cachelines: 5 */ /* sum members: 260, holes: 1, sum holes: 4 */ /* bit holes: 1, sum bit holes: 2 bits */ /* last cacheline: 8 bytes */ On 32 bits nothing changes, and pointers continue to be used with the compiler turning all this abstraction layer into dust. But there are some sk_buff validation tricks that are now possible, humm... :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: unions of just one member don't get anything done, kill themArnaldo Carvalho de Melo2007-04-252-31/+22
| | | | | | | | | Renaming skb->h to skb->transport_header, skb->nh to skb->network_header and skb->mac to skb->mac_header, to match the names of the associated helpers (skb[_[re]set]_{transport,network,mac}_header). Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_network_header_lenArnaldo Carvalho de Melo2007-04-251-0/+5
| | | | | | | | | | For the common sequence "skb->h.raw - skb->nh.raw", similar to skb->mac_len, that is precalculated tho, don't think we need to bloat skb with one more member, so just use this new helper, reducing the number of non-skbuff.h references to the layer headers even more. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [KBUILD]: Unifdef headers changed by the skb layer header refactoringsArnaldo Carvalho de Melo2007-04-251-3/+3
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: ctnetlink: add support for internal tcp connection tracking ↵Pablo Neira Ayuso2007-04-252-0/+9
| | | | | | | | | | | flags handling This patch let userspace programs set the IP_CT_TCP_BE_LIBERAL flag to force the pickup of established connections. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add nf_copy() to safely copy members in skbYasuyuki Kozakai2007-04-251-0/+13
| | | | | | | | | This unifies the codes to copy netfilter related datas. Before copying, nf_copy() puts original members in destination skb. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nf_conntrack: add __nf_copy() to copy members in skbYasuyuki Kozakai2007-04-251-0/+17
| | | | | | | | | | This unifies the codes to copy netfilter related datas. Note that __nf_copy() assumes destination skb doesn't have any netfilter related members. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [JHASH]: Use const in jhash2Patrick McHardy2007-04-251-1/+1
| | | | | | | Use const to avoid forcing users to cast const data. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: nfnetlink: use mutex instead of semaphorePatrick McHardy2007-04-251-13/+0
| | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: Remove IPv4 only connection tracking/NATPatrick McHardy2007-04-2524-1705/+1
| | | | | | | | Remove the obsolete IPv4 only connection tracking/NAT as scheduled in feature-removal-schedule. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_transport_header(skb)Arnaldo Carvalho de Melo2007-04-2511-19/+29
| | | | | | | | | For the places where we need a pointer to the transport header, it is still legal to touch skb->h.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>
* [SK_BUFF]: Introduce ipipv6_hdr(), remove skb->h.ipv6hArnaldo Carvalho de Melo2007-04-252-1/+5
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce ipip_hdr(), remove skb->h.ipiphArnaldo Carvalho de Melo2007-04-252-1/+5
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce tcp_hdr(), remove skb->h.thArnaldo Carvalho de Melo2007-04-252-3/+7
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [TCP]: Introduce tcp_hdrlen() and tcp_optlen()Arnaldo Carvalho de Melo2007-04-251-0/+10
| | | | | | | | | | | | 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>
* [SK_BUFF]: Introduce icmp_hdr(), remove skb->h.icmphArnaldo Carvalho de Melo2007-04-252-1/+9
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce udp_hdr(), remove skb->h.uhArnaldo Carvalho de Melo2007-04-252-1/+9
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce igmp_hdr() & friends, remove skb->h.igmphArnaldo Carvalho de Melo2007-04-252-1/+21
| | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ICMP6]: Introduce icmp6_hdr()Arnaldo Carvalho de Melo2007-04-251-0/+9
| | | | | | | For consistency with all the other skb->h.raw accessors. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCTP]: Introduce sctp_hdr()Arnaldo Carvalho de Melo2007-04-251-0/+9
| | | | | | | For consistency with all the other skb->h.raw accessors. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_set_transport_headerArnaldo Carvalho de Melo2007-04-251-0/+6
| | | | | | | | For the cases where the transport header is being set to a offset from skb->data. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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