- 16 May, 2010 14 commits
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Eric Dumazet authored
vlan/macvlan start_xmit() can inform caller of congestion with NET_XMIT_CN return value. This doesnt mean packet was dropped. Increment normal stat counters instead of tx_dropped. Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Acked-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Eric Dumazet authored
TCP-MD5 sessions have intermittent failures, when route cache is invalidated. ip_queue_xmit() has to find a new route, calls sk_setup_caps(sk, &rt->u.dst), destroying the sk->sk_route_caps &= ~NETIF_F_GSO_MASK that MD5 desperately try to make all over its way (from tcp_transmit_skb() for example) So we send few bad packets, and everything is fine when tcp_transmit_skb() is called again for this socket. Since ip_queue_xmit() is at a lower level than TCP-MD5, I chose to use a socket field, sk_route_nocaps, containing bits to mask on sk_route_caps. Reported-by:
Bhaskar Dutta <bhaskie@gmail.com> Signed-off-by:
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Eric Dumazet authored
With RPS inclusion, skb timestamping is not consistent in RX path. If netif_receive_skb() is used, its deferred after RPS dispatch. If netif_rx() is used, its done before RPS dispatch. This can give strange tcpdump timestamps results. I think timestamping should be done as soon as possible in the receive path, to get meaningful values (ie timestamps taken at the time packet was delivered by NIC driver to our stack), even if NAPI already can defer timestamping a bit (RPS can help to reduce the gap) Tom Herbert prefer to sample timestamps after RPS dispatch. In case sampling is expensive (HPET/acpi_pm on x86), this makes sense. Let admins switch from one mode to another, using a new sysctl, /proc/sys/net/core/netdev_tstamp_prequeue Its default value (1), means timestamps are taken as soon as possible, before backlog queueing, giving accurate timestamps. Setting a 0 value permits to sample timestamps when processing backlog, after RPS dispatch, to lower the load of the pre-RPS cpu. Signed-off-by:
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Timo Teras authored
I mistakenly had the error path to use num_pols to decide how many policies we need to drop (cruft from earlier patch set version which did not handle socket policies right). This is wrong since normally we do not keep explicit references (instead we hold reference to the cache entry which holds references to policies). drop_pols is set to num_pols if we are holding the references, so use that. Otherwise we eventually BUG_ON inside xfrm_policy_destroy due to premature policy deletion. Signed-off-by:
Timo Teras <timo.teras@iki.fi> Signed-off-by:
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Jiri Pirko authored
Now there's null check here and also again in the hook. Looking at bridge bits which are simmilar, port structure is rcu_dereferenced right away in handle_bridge and passed to hook. Looks nicer. Signed-off-by:
Jiri Pirko <jpirko@redhat.com> Acked-by:
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FUJITA Tomonori authored
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2Signed-off-by:
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by:
Stephen Hemminger <shemminger@vyatta.com> Signed-off-by:
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Amerigo Wang authored
(Dropped the infiniband part, because Tetsuo modified the related code, I will send a separate patch for it once this is accepted.) This patch introduces /proc/sys/net/ipv4/ip_local_reserved_ports which allows users to reserve ports for third-party applications. The reserved ports will not be used by automatic port assignments (e.g. when calling connect() or bind() with port number 0). Explicit port allocation behavior is unchanged. Signed-off-by:
Octavian Purdila <opurdila@ixiacom.com> Signed-off-by:
WANG Cong <amwang@redhat.com> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by:
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Octavian Purdila authored
The new function can be used to read/write large bitmaps via /proc. A comma separated range format is used for compact output and input (e.g. 1,3-4,10-10). Writing into the file will first reset the bitmap then update it based on the given input. Signed-off-by:
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Amerigo Wang authored
(Based on Octavian's work, and I modified a lot.) As we are about to add another integer handling proc function a little bit of cleanup is in order: add a few helper functions to improve code readability and decrease code duplication. In the process a bug is also fixed: if the user specifies a number with more then 20 digits it will be interpreted as two integers (e.g. 10000...13 will be interpreted as 100.... and 13). Behavior for EFAULT handling was changed as well. Previous to this patch, when an EFAULT error occurred in the middle of a write operation, although some of the elements were set, that was not acknowledged to the user (by shorting the write and returning the number of bytes accepted). EFAULT is now treated just like any other errors by acknowledging the amount of bytes accepted. Signed-off-by:
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Simon Arlott authored
Links for each port are created in sysfs using the device name, but this could be changed after being added to the bridge. As well as being unable to remove interfaces after this occurs (because userspace tools don't recognise the new name, and the kernel won't recognise the old name), adding another interface with the old name to the bridge will cause an error trying to create the sysfs link. This fixes the problem by listening for NETDEV_CHANGENAME notifications and renaming the link. https://bugzilla.kernel.org/show_bug.cgi?id=12743Signed-off-by:
Simon Arlott <simon@fire.lp0.eu> Acked-by:
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stephen hemminger authored
Use one set of macro's for all bridge messages. Note: can't use netdev_XXX macro's because bridge is purely virtual and has no device parent. Signed-off-by:
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stephen hemminger authored
Move code around so that the ifdef for NETPOLL_CONTROLLER don't have to show up in main code path. The control functions should be in helpers that are only compiled if needed. Signed-off-by:
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Ben Hutchings authored
Some RNDIS devices don't respond on the control channel until polled on the status channel. In particular, this was reported to be the case for the 2Wire HomePortal 1000SW. This is roughly based on a patch by John Carr <john.carr@unrouted.co.uk> which is reported to be needed for use with some Windows Mobile devices and which is currently applied by Mandriva. Reported-by:
Mark Glassberg <vzeeaxwl@myfairpoint.net> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Tested-by:
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- 14 May, 2010 23 commits
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Randy Dunlap authored
Fix xt_TEE build for the case of NF_CONNTRACK=m and NETFILTER_XT_TARGET_TEE=y: xt_TEE.c:(.text+0x6df5c): undefined reference to `nf_conntrack_untracked' 4x Built with all 4 m/y combinations. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Acked-by:
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Sucheta Chakraborty authored
When ever driver changes the device state, it should write pci-func number and timestamp in debug registers. Signed-off-by:
Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by:
Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by:
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Sucheta Chakraborty authored
Device can go to quiescent state, during which drivers should refrain from using the device. Signed-off-by:
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Sucheta Chakraborty authored
pci-func class can be other than ethernet in Qlogic CNA device. Signed-off-by:
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Sucheta Chakraborty authored
Warn user if IDC version mismatch with different class of drivers. Signed-off-by:
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Amit Kumar Salecha authored
LRO ring, cut-thru mode and specific fw version are not valid to Qlogic CNA device. Signed-off-by:
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Amit Kumar Salecha authored
Device support 64 bit dma mask. Signed-off-by:
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Amit Kumar Salecha authored
o Window register is not per pci-func, so caching can result in expected result. Signed-off-by:
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Amit Kumar Salecha authored
MSI_MODE, CAPABILITIES_FW and SCRATCHPAD registers are obsolete. Driver should not use them. Signed-off-by:
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Amit Kumar Salecha authored
Before going for recovery, every pci-func should check fw state, irrespective of device state. This to avoid unnecssary sending of command for ctx destroy. Signed-off-by:
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stephen hemminger authored
Version 1.28 Signed-off-by:
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Mike McCormack authored
Allocating memory can fail, and since we have the memory we need in sky2_resume when sky2_suspend is called, just stop the hardware without freeing the memory it's using. This avoids the possibility of failing because we can't allocate memory in sky2_resume(), and allows sharing code with sky2_restart(). Signed-off-by:
Mike McCormack <mikem@ring3k.org> Acked-by:
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Mike McCormack authored
Code to bring down all sky2 interfaces and bring it up again can be reused in sky2_suspend and sky2_resume. Factor the code to bring the interfaces down into sky2_all_down and the up code into sky2_all_up. Signed-off-by:
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Mike McCormack authored
Interrupts should be masked, then synchronized, and finally NAPI should be disabled. Signed-off-by:
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Mike McCormack authored
netif_stop_queue does not ensure all in-progress transmits are complete, so use netif_tx_disable() instead. Secondly, make sure NAPI polls are disabled before stopping the tx queue, otherwise sky2_status_intr might trigger a TX queue wakeup between when we stop the queue and NAPI is disabled. Signed-off-by:
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Mike McCormack authored
Multicast settings will be lost on reset, so restore them. Signed-off-by:
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Joe Perches authored
There appears to be an off-by-1 defect in the maximum packet size copied when copybreak is speified in these modules. The copybreak module params are specified as: "Maximum size of packet that is copied to a new buffer on receive" The tests are changed from "< copybreak" to "<= copybreak" and moved into new static functions for readability. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
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Jesse Brandeburg authored
During the cleanup pass after the removal of e1000e hardware from e1000 some parameters were missed. Remove them because it is just dead code. Signed-off-by:
Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by:
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Jesse Brandeburg authored
When adding more than 14 mac-vlan adapters on e1000 the driver would fire a WARN_ON when adding the 15th. The WARN_ON in this case is completely un-necessary, as the code below the WARN_ON is directly handling the value the WARN_ON triggered on. CC: Jiri Pirko <jpirko@redhat.com> Signed-off-by:
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Joe Perches authored
This patch removes from drivers/net/ all the unnecessary return; statements that precede the last closing brace of void functions. It does not remove the returns that are immediately preceded by a label as gcc doesn't like that. It also does not remove null void functions with return. Done via: $ grep -rP --include=*.[ch] -l "return;\n}" net/ | \ xargs perl -i -e 'local $/ ; while (<>) { s/\n[ \t\n]+return;\n}/\n}/g; print; }' with some cleanups by hand. Compile tested x86 allmodconfig only. Signed-off-by: -
Mallikarjuna R Chilakala authored
Some of the following MAC functions are moved from 82598 & 82599 specific hardware files to common.[ch] to accommodate new silicon changes. Also fixed some white space issues * get_san_mac_addr, check_link, set_vmdq, clear_vmdq, clear_vfta, * set_vfta, fc_enable, init_uta_tables Signed-off-by:
Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Signed-off-by:
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Mallikarjuna R Chilakala authored
We can't use zero magic "bad" value to check if IXGBE_RSC_CB(skb)->dma is valid. It is only valid in x86/arm/m68k/alpha architectures and in spark, powerPC and other architectures it should be ~0. As per Benjamin Herrenschmidt feedback use a bool flag to decide if the packet unmapping is delayed in hardware RSC till EOP is reached Signed-off-by:
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Emil Tantilov authored
Introduce uc_set_promisc flag to fix enabling of promisc mode when exceeding the number of supported RAR entries. Issue discovered by Ben Greear when using mac-vlans. Reported-by:
Ben Greear <greearb@candelatech.com> Signed-off-by:
Emil Tantilov <emil.s.tantilov@intel.com> Signed-off-by:
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- 13 May, 2010 3 commits
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Joe Perches authored
This patch removes from net/ netfilter files all the unnecessary return; statements that precede the last closing brace of void functions. It does not remove the returns that are immediately preceded by a label as gcc doesn't like that. Done via: $ grep -rP --include=*.[ch] -l "return;\n}" net/ | \ xargs perl -i -e 'local $/ ; while (<>) { s/\n[ \t\n]+return;\n}/\n}/g; print; }' Signed-off-by: -
Stephen Hemminger authored
Make sure all printk messages have a severity level. Signed-off-by:
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