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2008-01-28[BNX2]: Support multiple MSIX IRQs.Michael Chan
Change bnx2_napi struct into an array and add code to manage multiple IRQs. MSIX hardware structures and new registers are also added. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Move rx indexes into bnx2_napi struct.Michael Chan
Rx related fields used in NAPI polling are moved from the main bnx2 struct to the bnx2_napi struct. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Move tx indexes into bnx2_napi struct.Michael Chan
Tx related fields used in NAPI polling are moved from the main bnx2 struct to the bnx2_napi struct. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Introduce new bnx2_napi structure.Michael Chan
Introduce a bnx2_napi structure that will hold a napi_struct and other fields to handle NAPI polling for the napi_struct. Various tx and rx indexes and status block pointers will be moved from the main bnx2 structure to this bnx2_napi structure. Most NAPI path functions are modified to be passed this bnx2_napi struct pointer. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Restructure IRQ datastructures.Michael Chan
Add a table to keep track of multiple IRQs and restructure the IRQ request and free functions so that they can be easily expanded to handle multiple IRQs. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Add function to fetch hardware tx index.Michael Chan
This makes the code cleaner and easier to support different tx rings. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Update version to 1.6.9.Michael Chan
Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Enable S/G for jumbo RX.Michael Chan
If the MTU requires more than 1 page for the SKB, enable the page ring and calculate the size of the page ring. This will guarantee order-0 allocation regardless of the MTU size. Fixup loopback test packet size so that we don't deal with the pages during loopback test. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Add fast path code to handle RX pages.Michael Chan
Add function to reuse a page in case of allocation or other errors. Add code to construct the completed SKB with the additional data in the pages. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Add init. code to handle RX pages.Michael Chan
Add new fields to keep track of the pages and the page rings. Add functions to allocate and free pages. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Update firmware to support S/G RX buffers.Michael Chan
Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Restructure RX ring init. code.Michael Chan
Factor out the common functions that will be used to initialize the normal RX rings and the page rings. Change the copybreak constant RX_COPY_THRESH to 128. This same constant will be used for the max. size of the linear SKB when pages are used. Copybreak will be turned off when pages are used. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Restructure RX fast path handling.Michael Chan
Add a new function to handle new SKB allocation and to prepare the completed SKB. This makes it easier to add support for non-linear SKB. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[BNX2]: Add ring constants.Michael Chan
Define the various ring constants to make the code cleaner. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NET]: fix drivers/net/ns83820.c buildAndrew Morton
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPIP]: Allow rebinding the tunnel to another interfaceMichal Schmidt
Once created, an IP tunnel can't be bound to another device. (reported as https://bugzilla.redhat.com/show_bug.cgi?id=419671) To reproduce: # create a tunnel: ip tunnel add tunneltest0 mode ipip remote 10.0.0.1 dev eth0 # try to change the bounding device from eth0 to eth1: ip tunnel change tunneltest0 dev eth1 # show the result: ip tunnel show tunneltest0 tunneltest0: ip/ip remote 10.0.0.1 local any dev eth0 ttl inherit Notice the bound device has not changed from eth0 to eth1. This patch fixes it. When changing the binding, it also recalculates the MTU according to the new bound device's MTU. If the change is acceptable, I'll do the same for GRE and SIT tunnels. Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NET]: Remove unused define from loopback driver.Pavel Emelyanov
The LOOPBACK_OVERHEAD is not used in this file at all. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NETNS]: network namespace was passed into dev_getbyhwaddr but not usedDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NET]: Remove FASTCALL macroHarvey Harrison
X86_32 was the last user of the FASTCALL macro, now that it uses regparm(3) by default, this macro expands to nothing. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPSEC]: Add ICMP host relookup supportHerbert Xu
RFC 4301 requires us to relookup ICMP traffic that does not match any policies using the reverse of its payload. This patch implements this for ICMP traffic that originates from or terminates on localhost. This is activated on outbound with the new policy flag XFRM_POLICY_ICMP, and on inbound by the new state flag XFRM_STATE_ICMP. On inbound the policy check is now performed by the ICMP protocol so that it can repeat the policy check where necessary. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPSEC]: Added xfrm_decode_session_reverse and xfrmX_policy_check_reverseHerbert Xu
RFC 4301 requires us to relookup ICMP traffic that does not match any policies using the reverse of its payload. This patch adds the functions xfrm_decode_session_reverse and xfrmX_policy_check_reverse so we can get the reverse flow to perform such a lookup. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPSEC]: Make xfrm_lookup flags argument a bit-fieldHerbert Xu
This patch introduces an enum for bits in the flags argument of xfrm_lookup. This is so that we can cram more information into it later. Since all current users use just the values 0 and 1, XFRM_LOOKUP_WAIT has been added with the value 1 << 0 to represent the current meaning of flags. The test in __xfrm_lookup has been changed accordingly. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: Remove previous loss intervals implementationGerrit Renker
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@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CCID3]: Interface CCID3 code with newer Loss Intervals DatabaseGerrit Renker
This hooks up the TFRC Loss Interval database with CCID 3 packet reception. In addition, it makes the CCID-specific computation of the first loss interval (which requires access to all the guts of CCID3) local to ccid3.c. The patch also fixes an omission in the DCCP code, that of a default / fallback RTT value (defined in section 3.4 of RFC 4340 as 0.2 sec); while at it, the upper bound of 4 seconds for an RTT sample has been reduced to match the initial TCP RTO value of 3 seconds from[RFC 1122, 4.2.3.1]. 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@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: CCID3 (and CCID4) needs to access these inlinesGerrit Renker
This moves two inlines back to packet_history.h: these are not private to packet_history.c, but are needed by CCID3/4 to detect whether a new loss is indicated, or whether a loss is already pending. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CCID3]: Redundant debugging output / documentationGerrit Renker
Each time feedback is sent two lines are printed: ccid3_hc_rx_send_feedback: client ... - entry ccid3_hc_rx_send_feedback: Interval ...usec, X_recv=..., 1/p=... The first line is redundant and thus removed. Further, documentation of ccid3_hc_rx_sock (capitalisation) is made consistent. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: Ringbuffer to track loss interval historyGerrit Renker
A ringbuffer-based implementation of loss interval history is easier to maintain, allocate, and update. The `swap' routine to keep the RX history sorted is due to and was written by Arnaldo Carvalho de Melo, simplifying an earlier macro-based variant. Details: * access to the Loss Interval Records via macro wrappers (with safety checks); * simplified, on-demand allocation of entries (no extra memory consumption on lossless links); cache allocation is local to the module / exported as service; * provision of RFC-compliant algorithm to re-compute average loss interval; * provision of comprehensive, new loss detection algorithm - support for all cases of loss, including re-ordered/duplicate packets; - waiting for NDUPACK=3 packets to fill the hole; - updating loss records when a late-arriving packet fills a hole. 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@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: Loss interval code needs the macros/inlines that were movedGerrit Renker
This moves the inlines (which were previously declared as macros) back into packet_history.h since the loss detection code needs to be able to read entries from the RX history in order to create the relevant loss entries: it needs at least tfrc_rx_hist_loss_prev() and tfrc_rx_hist_last_rcv(), which in turn require the definition of the other inlines (macros). Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: Put RX/TX initialisation into tfrc.cGerrit Renker
This separates RX/TX initialisation and puts all packet history / loss intervals initialisation into tfrc.c. The organisation is uniform: slab declaration -> {rx,tx}_init() -> {rx,tx}_exit() Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NETNS]: separate af_packet netns dataDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NETNS]: struct net content re-work (v3)Denis V. Lunev
Recently David Miller and Herbert Xu pointed out that struct net becomes overbloated and un-maintainable. There are two solutions: - provide a pointer to a network subsystem definition from struct net. This costs an additional dereferrence - place sub-system definition into the structure itself. This will speedup run-time access at the cost of recompilation time The second approach looks better for us. Other sub-systems will follow. Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[AF_UNIX]: Remove unused declaration of sysctl_unix_max_dgram_qlen.Denis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> 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>
2008-01-28[IPV6]: make inet6_register_protosw to return an error codeDaniel Lezcano
This patch makes the inet6_register_protosw to return an error code. The different protocols can be aware the registration was successful or not and can pass the error to the initial caller, af_inet6. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV6]: make frag to return an error at initializationDaniel Lezcano
This patch makes the frag_init to return an error code, so the af_inet6 module can handle the error. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV6]: make extended headers to return an error at initializationDaniel Lezcano
This patch factorize the code for the differents init functions for rthdr, nodata, destopt in a single function exthdrs_init. This function returns an error so the af_inet6 module can check correctly the initialization. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV6]: make flowlabel to return an errorDaniel Lezcano
This patch makes the flowlab subsystem to return an error code and makes some cleanup with procfs ifdefs. The af_inet6 will use the flowlabel init return code to check the initialization was correct. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV4]: Cleanup sysctl manipulations in devinet.cPavel Emelyanov
This includes: * moving neigh_sysctl_(un)register calls inside devinet_sysctl_(un)register ones, as they are always called in pairs; * making __devinet_sysctl_unregister() to unregister the ipv4_devconf struct, while original devinet_sysctl_unregister() works with the in_device to handle both - devconf and neigh sysctls; * make stubs for CONFIG_SYSCTL=n case to get rid of in-code ifdefs. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV4]: Cleanup IN_DEV_MFORWARD macroPavel Emelyanov
This is essentially IN_DEV_ANDCONF with proper arguments. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[INET]: Use BUILD_BUG_ON in inet_timewait_sock.c checksPavel Emelyanov
Make the INET_TWDR_TWKILL_SLOTS vs sizeof(twdr->thread_slots) check nicer. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TCP]: Use BUILD_BUG_ON for tcp_skb_cb size checkingPavel Emelyanov
The sizeof(struct tcp_skb_cb) should not be less than the sizeof(skb->cb). This is checked in net/ipv4/tcp.c, but this check can be made more gracefully. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NETLINK]: kzalloc() conversionEric Dumazet
nl_pid_hash_alloc() is renamed to nl_pid_hash_zalloc(). It is now returning zeroed memory to its callers. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NET]: dst_ifdown() cleanupEric Dumazet
This cleanup shrinks size of net/core/dst.o on i386 from 1299 to 1289 bytes. (This is because dev_hold()/dev_put() are doing atomic_inc()/atomic_dec() and force compiler to re-evaluate memory contents.) Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPSEC]: Add xfrm_input_state helperHerbert Xu
This patch adds the xfrm_input_state helper function which returns the current xfrm state being processed on the input path given an sk_buff. This is currently only used by xfrm_input but will be used by ESP upon asynchronous resumption. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[CCID3]: HC-receiver should not insert timestamps as HC-sender doesn't uses itGerrit Renker
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: The function tfrc_rx_hist_entry_delete() is not used anymoreGerrit Renker
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[TFRC]: Move comment.Gerrit Renker
Moved up the comment "Receiver routines" above the first occurrence of RX history routines. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[NET]: Remove unused "mibalign" argument for snmp_mib_init().YOSHIFUJI Hideaki
With fixes from Arnaldo Carvalho de Melo. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV4]: last default route is a fib table propertyDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-01-28[IPV4]: Unify assignment of fi to fib_resultDenis V. Lunev
Signed-off-by: Denis V. Lunev <den@openvz.org> Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
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