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2009-08-10netfilter: xtables: check for standard verdicts in policiesJan Engelhardt3-6/+57
This adds the second check that Rusty wanted to have a long time ago. :-) Base chain policies must have absolute verdicts that cease processing in the table, otherwise rule execution may continue in an unexpected spurious fashion (e.g. next chain that follows in memory). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: check for unconditionality of policiesJan Engelhardt3-14/+21
This adds a check that iptables's original author Rusty set forth in a FIXME comment. Underflows in iptables are better known as chain policies, and are required to be unconditional or there would be a stochastical chance for the policy rule to be skipped if it does not match. If that were to happen, rule execution would continue in an unexpected spurious fashion. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: ignore unassigned hooks in check_entry_size_and_hooksJan Engelhardt3-3/+12
The "hook_entry" and "underflow" array contains values even for hooks not provided, such as PREROUTING in conjunction with the "filter" table. Usually, the values point to whatever the next rule is. For the upcoming unconditionality and underflow checking patches however, we must not inspect that arbitrary rule. Skipping unassigned hooks seems like a good idea, also because newinfo->hook_entry and newinfo->underflow will then continue to have the poison value for detecting abnormalities. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: use memcmp in unconditional checkJan Engelhardt3-23/+9
Instead of inspecting each u32/char open-coded, clean up and make use of memcmp. On some arches, memcmp is implemented as assembly or GCC's __builtin_memcmp which can possibly take advantages of known alignment. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: iptables: remove unused datalen variableJan Engelhardt1-4/+0
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: realign struct xt_target_paramJan Engelhardt1-1/+1
This commit gets rid of a padding hole as reported by pahole(1). Saves 8 bytes on x86_64. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: switch table AFs to nfprotoJan Engelhardt9-9/+9
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: switch hook PFs to nfprotoJan Engelhardt11-36/+36
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: conntrack: switch hook PFs to nfprotoJan Engelhardt2-10/+10
Simple substitution to indicate that the fields indeed use the NFPROTO_ space. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove redirecting header filesJan Engelhardt42-618/+5
When IPv4 and IPv6 matches were unified approx. 3.5 years ago, they received new header filenames (e.g. xt_CLASSIFY.h). Let's remove the old ones now. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_owner v0Jan Engelhardt5-158/+12
Superseded by xt_owner v1 (v2.6.24-2388-g0265ab4). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_mark v0Jan Engelhardt3-84/+10
Superseded by xt_mark v1 (v2.6.24-2922-g17b0d7e). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_iprange v0Jan Engelhardt4-69/+2
Superseded by xt_iprange v1 (v2.6.24-2928-g1a50c5a1). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_conntrack v0Jan Engelhardt3-193/+1
Superseded by xt_conntrack v1 (v2.6.24-2921-g64eb12f). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_connmark v0Jan Engelhardt3-98/+11
Superseded by xt_connmark v1 (v2.6.24-2919-g96e3227). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_MARK v0, v1Jan Engelhardt3-174/+9
Superseded by xt_MARK v2 (v2.6.24-2918-ge0a812a). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_CONNMARK v0Jan Engelhardt3-132/+11
Superseded by xt_CONNMARK v1 (v2.6.24-2917-g0dc8c76). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: xtables: remove xt_TOS v0Jan Engelhardt6-93/+0
Superseded by xt_TOS v1 (v2.6.24-2396-g5c350e5). Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2009-08-10netfilter: ebtables: Use %pM conversion specifierTobias Klauser1-22/+7
ebt_log uses its own implementation of print_mac to print MAC addresses. This patch converts it to use the %pM conversion specifier for printk. Signed-off-by: Tobias Klauser <klto@zhaw.ch> Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-08-10netfilter: nf_conntrack: add SCTP support for SO_ORIGINAL_DSTRafael Laufer1-4/+4
Signed-off-by: Patrick McHardy <kaber@trash.net>
2009-08-06net: Avoid enqueuing skb for default qdiscsKrishna Kumar4-51/+108
dev_queue_xmit enqueue's a skb and calls qdisc_run which dequeue's the skb and xmits it. In most cases, the skb that is enqueue'd is the same one that is dequeue'd (unless the queue gets stopped or multiple cpu's write to the same queue and ends in a race with qdisc_run). For default qdiscs, we can remove the redundant enqueue/dequeue and simply xmit the skb since the default qdisc is work-conserving. The patch uses a new flag - TCQ_F_CAN_BYPASS to identify the default fast queue. The controversial part of the patch is incrementing qlen when a skb is requeued - this is to avoid checks like the second line below: + } else if ((q->flags & TCQ_F_CAN_BYPASS) && !qdisc_qlen(q) && >> !q->gso_skb && + !test_and_set_bit(__QDISC_STATE_RUNNING, &q->state)) { Results of a 2 hour testing for multiple netperf sessions (1, 2, 4, 8, 12 sessions on a 4 cpu system-X). The BW numbers are aggregate Mb/s across iterations tested with this version on System-X boxes with Chelsio 10gbps cards: ---------------------------------- Size | ORG BW NEW BW | ---------------------------------- 128K | 156964 159381 | 256K | 158650 162042 | ---------------------------------- Changes from ver1: 1. Move sch_direct_xmit declaration from sch_generic.h to pkt_sched.h 2. Update qdisc basic statistics for direct xmit path. 3. Set qlen to zero in qdisc_reset. 4. Changed some function names to more meaningful ones. Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06mlx4_en: Not using Shared Receive QueuesYevgeny Petrilin5-73/+26
We use 1:1 mapping between QPs and SRQs on receive side, so additional indirection level not required. Allocated the receive buffers for the RSS QPs. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06mlx4_en: Using real number of rings as RSS map sizeYevgeny Petrilin4-41/+16
There is no point in using more QPs then actual number of receive rings. If the RSS function for two streams gives the same result modulo number of rings, they will arrive to the same RX ring anyway. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06mlx4_en: Adaptive moderation policy changeYevgeny Petrilin1-3/+9
If the net device is identified as "sender" (number of sent packets is higher then the number of received packets and the incoming packets are small), set the moderation time to its low limit. We do it because the incoming packets are acks, and we don't want to delay them Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06net: smsc911x: switch to new dev_pm_opsDaniel Mack1-11/+20
Hibernation is unsupported for now, which meets the actual implementation in the driver. For free/thaw, the chip's D2 state should be entered. Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: <steve.glendinning@smsc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06tc35815: Use 0 RxFragSize.MinFrag value for non-packing modeAtsushi Nemoto1-2/+0
The datasheet say "When not enabling packing, the MinFrag value must remain at 0". Do not set value to RxFragSize register if TC35815_USE_PACKEDBUFFER disabled. This is not a bugfix. No real problem reported on this. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06tc35815: Fix rx_missed_errors countAtsushi Nemoto1-1/+1
The Miss_Cnt register is cleared by reading. Accumulate its value to rx_missed_errors count. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06tc35815: Increase timeout for mdioAtsushi Nemoto1-2/+4
The current timeout value is too short for very high-load condition which jiffies might jump up in busy-loop. Also add minimum delay before checking completion of MDIO. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06tc35815: Improve BLEx / FDAEx handlingAtsushi Nemoto1-34/+26
Clear Int_BLEx / Int_FDAEx after (not before) processing Rx interrupt. This will reduce number of unnecessary interrupts. Also print rx error messages only if netif_msg_rx_err() enabled. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-06tc35815: Disable StripCRCAtsushi Nemoto1-3/+4
It seems Rx_StripCRC cause trouble on recovering from the BLEx (Buffer List Exhaust) or FDAEx (Free Descriptor Area Exhaust) condition. Do not use it. Also bump version number up. Reported-by: Ralf Roesch <ralf.roesch@rw-gmbh.de> Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05net/rds: Use AF_INET for sin_family fieldJulia Lawall1-1/+1
Elsewhere the sin_family field holds a value with a name of the form AF_..., so it seems reasonable to do so here as well. Also the values of PF_INET and AF_INET are the same. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ struct sockaddr_in sip; @@ ( sip.sin_family == - PF_INET + AF_INET | sip.sin_family != - PF_INET + AF_INET | sip.sin_family = - PF_INET + AF_INET ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05cxgb3: fix 2 ports 1G regressionDivy Le Ray1-1/+5
commit 88045b3cf0f8981129cb489c7b6bc36c21dd33a7 cxgb3: fix mac index mapping Override the mac index computation for the gen2 adapter, as each port is expected to use index 0. introduces a regression on 2 port 1G adapter as its xauicfg vpd value is null. Add a check on the device id. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05vxge: Version updateBenjamin LaHaise1-2/+2
Update the driver version number for any bug reports from end users. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05vxge: prefetch skb->dataBenjamin LaHaise2-1/+6
This patch implements prefetching of skb->data from a copy of the pointer in the descriptor (which is already in the L1 cache at this point). This improves netperf rx performance (netperf -L 0,0 -c -H 192.168.254.2 -- -M 131072 -m 131072) by 4.9% on a P4 Xeon host. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05vxge: prefetch RxD descriptorsBenjamin LaHaise2-0/+2
This patch prefetches RxD descriptors which helps to lower the latency of a cache miss in vxge_hw_ring_rxd_next_completed. This lowers the % of CPU time used by vxge_hw_ring_rxd_next_completed() where the descriptor is accessed in profiling netperf on a P4 Xeon from 1.5% to 1.0%. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05vxge: improve tx performance by using mmiowb() instead of wmb()Benjamin LaHaise1-2/+2
wmb() is extremely heavy on x86. The semantics required in the driver are provided by mmiowb(), so use that and improve tx performance on P4 Xeons by 5-10%. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05vxge: fix pktgen hangs (don't abuse skb->cb[])Benjamin LaHaise5-32/+40
This patch fixes a case in the transmit completion code which was resulting in pktgen hanging at the end of a run. The cause is due to the fact that the ->cb[] area of an skb cannot be used in a network driver's transmit path, as that area belongs to the network protocol. Pktgen hangs, as it sends out the same packet multiple times, and vxge's use of this area of the skb for a temporary list can only add the packet to the temporary list once (while it may be on the queue many times). The fix is to remove this abuse of skb->cb[]. Instead, skb pointers are placed into a temporary stack array, and then free outside of the tx lock. This retains the smp optimization of doing dev_kfree_skb() outside of the tx lock. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05vxge: don't drop frame on tx queue fullBenjamin LaHaise1-0/+6
The vxge driver will drop a packet in its transmit function if the number of TxDs available hits 0. Instead of doing that, simply stop the transmit queue when transmitting a packet with the last available TxD. Signed-off-by: Benjamin LaHaise <ben.lahaise@neterion.com> Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com> Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05ixgbe: allow vlan egress priority mapping in DCB modeLucy Liu1-1/+1
The skb priority to vlan-qos egress mapping that can be configured using set_egress_map with vconfig is overriden by the DCB code in the driver. This patch allows this existing mechanism to work and will increase the configuration flexibility of DCB mode on Linux. A hierarchy of configuration is: 1. Modifies the ixgbe_select_queue() routine for DCB mode to return the priority value from the VLAN tag. It will normally be zero, unless the egress priority map has modified it. This will get packets into the correct queue and result in the queue_mapping field being set correctly. 2. Any tc filter which modifies queue_mapping will be honored, as the filters are handled after the vlan egress map is handled. Signed-off-by: Lucy Liu <lucy.liu@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05be2net: Patch to perform function reset at initializationsarveshwarb3-0/+27
This patch is a bug fix to avoid system going into a bad state when driver is loaded in context of kdump kernel. The patch fixes the issue by performing a soft reset of pci function at probe time. Signed-off-by: sarveshwarb <sarveshwarb@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05net: implement a SO_DOMAIN getsockoptionJan Engelhardt20-0/+24
This sockopt goes in line with SO_TYPE and SO_PROTOCOL. It makes it possible for userspace programs to pass around file descriptors — I am referring to arguments-to-functions, but it may even work for the fd passing over UNIX sockets — without needing to also pass the auxiliary information (PF_INET6/IPPROTO_TCP). Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05net: implement a SO_PROTOCOL getsockoptionJan Engelhardt20-0/+40
Similar to SO_TYPE returning the socket type, SO_PROTOCOL allows to retrieve the protocol used with a given socket. I am not quite sure why we have that-many copies of socket.h, and why the values are not the same on all arches either, but for where hex numbers dominate, I use 0x1029 for SO_PROTOCOL as that seems to be the next free unused number across a bunch of operating systems, or so Google results make me want to believe. SO_PROTOCOL for others just uses the next free Linux number, 38. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05netxen: add hardware LRO supportDhananjay Phadke3-22/+125
Add support to handle aggregate packets from firmware. Local TCP flows are automatically identified by firmware based on the dest IP hash added by driver for local IP addresses. The packets are sent down on the jumbo rx ring. Signed-off-by: Narender Kumar <narender.kumar@qlogic.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05netxen: remove unnecessary structuresDhananjay Phadke2-176/+18
Remove unnecessary offsetof calulations on these structures: netxen_board_info, netxen_user_old_info, netxen_new_user_info. The offsets into the flash are fixed, don't need to be calculated. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05netxen: fix vlan tso caseDhananjay Phadke1-1/+1
Fix the calculation of remaining header length in TSO over vlan device case. This was inadvertently missed out in patch 028afe719855a157e32450c ("netxen: add vlan tx acceleration support"). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05cpmac: unmark as brokenFlorian Fainelli1-1/+1
Starting with version 0.5.1, cpmac is no longer broken. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05cpmac: bump version to 0.5.1Florian Fainelli1-1/+1
Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05cpmac: wait longer after MDIO resetFlorian Fainelli1-2/+2
This patch slows down the MDIO_ALIVE busy waiting to let switches and PHY come up after reset. Previous loop was too quick for IC+175C and ADM6996C/L switches to come up. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05cpmac: add support for fixed PHYFlorian Fainelli1-15/+19
This patch adds support for fixed PHY connected in MII mode to cpmac. We allow external and dumb_switch module parameters to override the PHY detection process since they are always connected with MDIO bus identifier 0. This lets fixed PHYs to be detected correctly and be connected to the their corresponding MDIO bus identifier. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-05ar7: add fixed PHY support for the two on-board cpmacFlorian Fainelli1-0/+15
This patch adds fixed PHY support for the two on-chip cpmac Ethernet adapters. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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