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2010-06-02sfc: Remove efx_rx_queue::add_lockSteve Hodgson6-130/+73
Ensure that efx_fast_push_rx_descriptors() must only run from efx_process_channel() [NAPI], or when napi_disable() has been executed. Reimplement the slow fill by sending an event to the channel, so that NAPI runs, and hanging the subsequent fast fill off the event handler. Replace the sfc_refill workqueue and delayed work items with a timer. We do not need to stop this timer in efx_flush_all() because it's safe to send the event always; receiving it will be delayed until NAPI is restarted. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02sfc: Allow DRV_GEN events to be used outside of selftestsSteve Hodgson4-22/+18
Formerly, efx_test_eventq_irq() assumed it was the only user of driver generated events. Allow it to interoperate with other users. We can create more than 16 channels, so align event codes with a multiple of 256 not 16. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02sfc: Wait for the link to stay up before running loopback selftestSteve Hodgson1-3/+7
It's been observed that some phys (such as the qt2025c) can do down-up-down-up transitions, presumably as pcs block lock settles down. The loopback selftest will start sending data immediately after the link comes up. Work around this by waiting for the link state to stay up for two consecutive polls, rather than one. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02sfc: Synchronise link_advertising and wanted_fc on SienaSteve Hodgson1-0/+1
All of the ethtool code paths keep them in sync, but we need to ensure they are sync'd at start of day. Matches the sft9001 driver. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02sfc: Workaround flush failures on Falcon B0Steve Hodgson4-9/+17
Under certain conditions a PHY may backpressure Falcon B0 in such a way that flushes timeout. In normal circumstances the phy poller would fix the PHY, and the flush could complete. But efx_nic_flush_queues() is always called after efx_stop_all(), so the poller has been stopped. Even if this weren't the case, how long would we have to wait for the poller to fix this? And several callers of efx_nic_flush_queues() are about to reset the device anyway - so we don't need to do anything. Work around this bug by scheduling a reset. Ensure that the MAC is never rewired back into the datapath before the reset runs (we already ignore all rx events anyway). Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02sfc: Reschedule any resets scheduled inside efx_pm_freeze()Steve Hodgson1-0/+6
efx_pm_freeze() sets efx->state = STATE_FINI, which means efx_reset_work() will abort any scheduled resets. efx_pm_thaw() should reschedule efx_reset_work() again, since a freeze/thaw will not have reset the hardware. This bug was spotted by inspection - there is no real world example of this happening. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-02sfc: Rename struct efx_mcdi_phy_cfg to efx_mcdi_phy_dataBen Hutchings1-10/+10
Most of its members are constant capabilities, not configuration. The new name is also consistent with the name of the pointer to it in struct efx_nic and the names of structures used by other PHY drivers. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01atl1c: Add AR8151 v2 support and change L0s/L1 routineJie Yang4-168/+345
Add AR8151 v2.0 Gigabit 1000 support Change jumbo frame size to 6K Update L0s/L1 rountine when link speed is 100M or 1G, set L1 link timer to 4 for l1d_2 and l2c_b2 set L1 link timer to 7 for l2c_b, set L1 link timer to 0xF for others. Update atl1c_suspend routine just refactory the function, add atl1c_phy_power_saving routine, when Wake On Lan enable, this func will be called to save power, it will reautoneg PHY to 10/100M speed depend on the link partners link capability. Update atl1c_configure_des_ring do not use l2c_b default SRAM configuration. Signed-off-by: Jie Yang <Jie.Yang@atheros.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01ipv6: get rid of ipip6_prl_lockEric Dumazet1-6/+2
As noticed by Julia Lawall, ipip6_tunnel_add_prl() incorrectly calls kzallloc(..., GFP_KERNEL) while a spinlock is held. She provided a patch to use GFP_ATOMIC instead. One possibility would be to convert this spinlock to a mutex, or preallocate the thing before taking the lock. After RCU conversion, it appears we dont need this lock, since caller already holds RTNL Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01ixp4xx: Support the all multicast flag on the NPE devices.Richard Cochran1-0/+11
This patch adds support for the IFF_ALLMULTI flag. Previously only the IFF_PROMISC flag was supported. Signed-off-by: Richard Cochran <richard.cochran@omicron.at> Acked-By: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01net/ipv6/mcast.c: Remove unnecessary kmalloc castsJoe Perches1-2/+1
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01net/ipv4/igmp.c: Remove unnecessary kmalloc castsJoe Perches1-2/+1
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01drivers/net/tulip/eeprom.c: Remove unnecessary kmalloc castsJoe Perches1-5/+5
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01drivers/net/gianfar.c: Remove unnecessary kmalloc castsJoe Perches1-4/+4
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01be2net: replace udelay() with schedule_timeout() in mbox pollingSathya Perla1-6/+5
As mbox polling is done only in process context, it is better to use schedule_timeout() instead of udelay(). Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01be2net: cleanup in case of error in be_open()Sathya Perla1-46/+49
This patch adds cleanup code (things like unregistering irq, disabling napi etc) to be_open() when an error occurs inside the routine. Signed-off-by: Sathya Perla <sathyap@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01tulip: implement wake-on-lan supportSteven Walter2-23/+156
Based on a patch from http://simon.baatz.info/wol-support-for-an983b/ Tested to resume from suspend by magic packet. Signed-off-by: Steven Walter <stevenrwalter@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01tulip: explicity set to D0 power state during initSteven Walter1-0/+7
During the first suspend the chip would refuse to enter D3. Subsequent suspends worked okay. During resume the chip is commanded into D0. Doing so during initialization fixes the initial suspend. Signed-off-by: Steven Walter <stevenrwalter@gmail.com> Signed-off-by: Grant Grundler <grundler@parisc-linux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01r6040: bump version to 0.26 and date to 30 May 2010Florian Fainelli1-2/+2
Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-01r6040: implement phylibFlorian Fainelli2-154/+145
This patch adds support for using phylib and adds the required mdiobus driver stubs. This allows for less code to be present in the driver and removes the PHY status specific timer which is now handled by phylib directly. Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31drivers/net/arcnet/capmode.c: clean up codeDaniel Mack1-99/+78
- shuffle around functions to get rid of forward declarations - fix some CodingStyle and indentation issues - last but not least, get rid of the following CONFIG_MODULE=n warning: drivers/net/arcnet/capmode.c:52: warning: ‘capmode_proto’ defined but not used Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31net: Fix NETDEV_NOTIFY_PEERS to not conflict with NETDEV_BONDING_DESLAVE.David S. Miller1-1/+1
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31r8169: remove unnecessary cast of readl()'s return valueJunchang Wang1-1/+1
readl() returns a 32-bit integer on all platforms. There is no need to cast its return value. Signed-off-by: Junchang Wang <junchangwang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-318139too: remove unnecessary cast of ioread32()'s return valueJunchang Wang1-4/+4
ioread32() returns a 32-bit integer on all platforms. There is no need to cast its return value. Signed-off-by: Junchang Wang <junchangwang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31atm: [he] rewrite buffer handling in receive pathchas williams - CONTRACTOR2-103/+126
Instead of a fixed list of buffers, use the buffer pool correctly and keep track of the outstanding buffer indexes using a fixed table. Resolves reported HBUF_ERR's -- failures due to lack of receive buffers. Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31atm: [he] remove small buffer allocation/handling codechas williams - CONTRACTOR2-148/+16
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31atm: [nicstar] remove virt_to_bus() and support 64-bit platformschas williams - CONTRACTOR3-175/+237
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31atm: [nicstar] reformatted with Lindentchas williams - CONTRACTOR3-3169/+2888
Signed-off-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31mlx4_en: use net_device dev_id to indicate port numberEli Cohen1-0/+1
Today, there are no means to know which port of a hardware device a netdev interface uses. struct net_device conatins a field, dev_id, that can be used for that. Use this field to save the port number in ConnectX that is being used by the net device; port numbers are zero based. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31xen: netfront: explicitly generate arp_notify event after migration.Ian Campbell1-0/+1
Use newly introduced netif_notify_peers() method to ensure a gratuitous ARP is generated after a migration. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Cc: xen-devel@lists.xensource.com Cc: stable@kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31arp_notify: allow drivers to explicitly request a notification event.Ian Campbell4-0/+22
Currently such notifications are only generated when the device comes up or the address changes. However one use case for these notifications is to enable faster network recovery after a virtual machine migration (by causing switches to relearn their MAC tables). A migration appears to the network stack as a temporary loss of carrier and therefore does not trigger either of the current conditions. Rather than adding carrier up as a trigger (which can cause issues when interfaces a flapping) simply add an interface which the driver can use to explicitly trigger the notification. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Cc: stable@kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31arp_notify: document that a gratuitous ARP request is sent when this option ↵Ian Campbell1-1/+1
is enabled This option causes a gratuitous ARP request, not a reply as the documentation currently suggests. Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: David S. Miller <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31caif: cleanup: remove duplicate checksDan Carpenter1-6/+2
"phyinfo" can never be null here because we assigned it an address, so I removed both the assert and the second check inside the if statement. I removed the "phyinfo->phy_layer != NULL" check as well because that was asserted earlier. Walter Harms suggested I move the "phyinfo->phy_ref_count++;" outside the if condition for readability, so I have done that. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31caif: remove unneeded null check in caif_connect()Dan Carpenter1-2/+1
We already dereferenced uaddr towards the start of the function when we checked that "uaddr->sa_family != AF_CAIF". Both the check here and the earlier check were added in bece7b2398d0: "caif: Rewritten socket implementation". Before that patch, we assumed that we recieved a valid pointer for uaddr, and based on that, I have removed this check. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31drivers/isdn: Use memdup_userJulia Lawall3-32/+12
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31drivers/net/wan: Use memdup_userJulia Lawall1-10/+4
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31net/dccp: Use memdup_userJulia Lawall1-8/+3
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31drivers/net/wan: Use memdup_userJulia Lawall1-8/+3
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31drivers/net/cxgb3: Use memdup_userJulia Lawall1-9/+3
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31drivers/net: Use memdup_userJulia Lawall1-8/+3
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31net/can: Use memdup_userJulia Lawall1-8/+3
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31tcp: tcp_md5_hash_skb_data() frag_list handlingEric Dumazet1-0/+5
tcp_md5_hash_skb_data() should handle skb->frag_list, and eventually recurse. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31net: remove zap_completion_queueEric Dumazet2-32/+3
netpoll does an interesting work in zap_completion_queue(), but this was before we did skb orphaning before delivering packets to device. It now makes sense to add a test in dev_kfree_skb_irq() to not queue a skb if already orphaned, and to remove netpoll zap_completion_queue() as a bonus. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31net: Use __this_cpu_inc() in fast pathEric Dumazet2-4/+2
This patch saves 224 bytes of text on my machine. __this_cpu_inc() generates a single instruction, using no scratch registers : 65 ff 04 25 a8 30 01 00 incl %gs:0x130a8 instead of : 48 c7 c2 80 30 01 00 mov $0x13080,%rdx 65 48 8b 04 25 88 ea 00 00 mov %gs:0xea88,%rax 83 44 10 28 01 addl $0x1,0x28(%rax,%rdx,1) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31cleanup: remove MIN_FRAG_SIZE definition.Rami Rosen1-1/+0
- This patch removes MIN_FRAG_SIZE definition in drivers/net/ppp_generic.c as it is unneeded. Signed-off-by: Rami Rosen <ramirose@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31Merge branch 'master' of ↵David S. Miller19-38/+107
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2010-05-31Linux 2.6.35-rc1v2.6.35-rc1Linus Torvalds1-2/+2
.. and thus endeth the merge window.
2010-05-30Merge branch 'slub/urgent' of ↵Linus Torvalds2-29/+15
git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'slub/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: SLUB: Allow full duplication of kmalloc array for 390 slub: move kmem_cache_node into it's own cacheline
2010-05-30Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds1-0/+7
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: mutex: Fix optimistic spinning vs. BKL
2010-05-30Merge branch 'perf-fixes-for-linus' of ↵Linus Torvalds8-16/+45
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf tui: Fix last use_browser problem related to .perfconfig perf symbols: Add the build id cache to the vmlinux path perf tui: Reset use_browser if stdout is not a tty ring-buffer: Move zeroing out excess in page to ring buffer code ring-buffer: Reset "real_end" when page is filled
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