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2012-01-31tcp: md5: remove obsolete md5_add() methodEric Dumazet
We no longer use md5_add() method from struct tcp_sock_af_ops Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-31r8169: spinlock redux.Francois Romieu
rtl8169_get_regs operates under RTNL and rtl task mutex whereas rtl_set_rx_mode is either called under RTNL or rtl task mutex protection. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-31r8169: avoid a useless work scheduling.Francois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Suggested-by: Michał Mirosław <mirqus@gmail.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-31r8169: move task enable boolean to bitfield.Francois Romieu
Simpler, more consistent, with negligible cost in non-critical paths. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Suggested-by: Michał Mirosław <mirqus@gmail.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-31r8169: bh locking redux and task scheduling.Francois Romieu
- atomic bit operations are globally visible - pending status is always cleared before execution - scheduled works are either idempotent or only required to happen once after a series of originating events, say link events for instance Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Suggested-by: Michał Mirosław <mirqus@gmail.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-31r8169: fix early queue wake-up.Francois Romieu
With infinite gratitude to Eric Dumazet for allowing me to identify the error. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-30Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
2012-01-30net: Deinline __nlmsg_put and genlmsg_put. -7k code on i386 defconfig.Denys Vlasenko
text data bss dec hex filename 8455963 532732 1810804 10799499 a4c98b vmlinux.o.before 8448899 532732 1810804 10792435 a4adf3 vmlinux.o This change also removes commented-out copy of __nlmsg_put which was last touched in 2005 with "Enable once all users have been converted" comment on top. Changes in v2: rediffed against net-next. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-30ipv6: fix RFC5722 commentEric Dumazet
RFC5722 Section 4 was amended by Errata 3089 Our implementation did the right thing anyway... Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-30net: Allow ipv6 proxies and arp proxies be shown with iproute2Tony Zelenoff
Add ability to return neighbour proxies list to caller if it sent full ndmsg structure and has NTF_PROXY flag set. Before this patch (and before iproute2 patches): $ ip neigh add proxy 2001::1 dev eth0 $ ip -6 neigh show $ After it and with applied iproute2 patches: $ ip neigh add proxy 2001::1 dev eth0 $ ip -6 neigh show 2001::1 dev eth0 proxy $ Compatibility with old versions of iproute2 is not broken, kernel checks for incoming structure size and properly works if old structure is came. [v2] * changed comments style. * removed useless line with continue and curly bracket. * changed incoming message size check from equal to more or equal. CC: davem@davemloft.net CC: kuznet@ms2.inr.ac.ru CC: netdev@vger.kernel.org CC: xemul@parallels.com Signed-off-by: Tony Zelenoff <antonz@parallels.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-30drivers/net: strip unused module code from sun3_82586.cPaul Gortmaker
This code is clearly unused, since it has a #error right in it. Given the vintage of sun3 hardware, it is probably safe to assume that there is little interest in adding new functionality to the driver now, so just delete the unused block of code. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Sam Creasey <sammy@sammy.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-30drivers/net: fix up stale paths from driver reorgPaul Gortmaker
The reorganization of the driver layout in drivers/net left behind some stale paths in comments and in Kconfig help text. Bring them up to date. No actual change to any code takes place here. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-30Merge branch 'davem-next.r8169' of git://violet.fr.zoreil.com/romieu/linuxDavid S. Miller
2012-01-30sfc: Use a more sensible cast in efx_rx_buf_offset()Ben Hutchings
This function returns the page offset of the buffer, which can be calculated based on either its DMA address or its virtual address. It used to use the virtual address and we would cast that to unsigned long, as anything smaller would result in a compiler warning. Now that it's using the DMA address we should use unsigned int, matching the return type. It is also unnecessary to use __force. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-30sfc: MTD: Leave the DEBUG macro aloneBen Hutchings
<linux/mtd/mtd.h> no longer defines DEBUG so we do not need to un-define it here. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-29Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next
2012-01-28ipv6: Eliminate dst_get_neighbour_noref() usage in ip6_forward().David S. Miller
It's only used to get at neigh->primary_key, which in this context is always going to be the same as rt->rt6i_gateway. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-28ipv6: Remove neigh argument from ndisc_send_redirect()David S. Miller
Instead, compute it as-needed inside of that function using dst_neigh_lookup(). Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-28ipv6: fib: Convert fib6_age() to dst_neigh_lookup().David S. Miller
In this specific situation we know we are dealing with a gatewayed route and therefore rt6i_gateway is not going to be in6addr_any even in future interpretations. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-28ipv6: ndisc: Convert to dst_neigh_lookup()David S. Miller
Now all code paths grab a local reference to the neigh, so if neigh is not NULL we unconditionally release it at the end. The old logic would only release if we didn't have a non-NULL 'rt'. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-28ipv4: ip_gre: Convert to dst_neigh_lookup()David S. Miller
The conversion is very similar to that made to ipv6's SIT code. Signed-off-by: David S. Miller <davem@davemloft.net>
2012-01-27r8169: remove work from irq handler.Francois Romieu
The irq handler was a mess. See 7ab87ff4c770eed71e3777936299292739fcd0fe ("via-rhine: move work from irq handler to softirq and beyond") for similar changes. One can notice: - all non-napi tasks are explicitely scheduled trough a single work queue. - hiding software tx queue start behind the rtl_hw_start method is mildly natural. Move it in the caller where needed. - as can be seen from the heavy use of bh disabling locks, the driver is not safe for irq context messages with netconsole. It is still quite usable for general messaging though. Tested ok with concurrent registers dump (ethtool -d) + background traffic + "echo t > /proc/sysrq-trigger". Tested with old PCI chipset, PCIe 8168 and 810x: - XID 0c900800 RTL8168evl/8111evl - XID 18000000 RTL8168b/8111b - XID 98000000 RTL8169sc/8110sc - XID 083000c0 RTL8168d/8111d - XID 081000c0 RTL8168d/8111d - XID 00b00000 RTL8105e - XID 04a00000 RTL8102e As a side note, the comments in f11a377b3f4e897d11f0e8d1fc688667e2f19708 ("r8169: avoid losing MSI interrupts") does not seem completely clear: if I hack the driver further to stop acking the irq link event bit, MSI interrupts keep being delivered (RTL8168b/8111b, XID 18000000). Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-27r8169: missing barriers.Francois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-27r8169: irq mask helpers.Francois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-27r8169: factor out IntrMask writes.Francois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-27r8169: stop delaying workqueue.Francois Romieu
Though motivated by the move of the driver to a single work queue of sequential events and removal of hard irq processing, it looks safe as a standalone change. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-27r8169: remove rtl8169_reinit_task.Francois Romieu
I see no good reason to keep both rtl8169_reinit_task and rtl8169_reset_task: - rtl8169_reinit_task adds a software failure point which does relate to any hardware state - they handle hardware the same. Remember that rtl8169_reinit_task was introduced in the 8169 only era to handle PCI errors way before the 8168 asked for pll and firmware ops and compare : rtl8169_reinit_task | rtl8169_reset_task ----------------------------+-------------------------- rtl8169_wait_for_quiescence | rtl8169_hw_reset rtl8169_update_counters | rtl8169_wait_for_quiescence rtl8169_hw_reset | rtl_hw_start rtl8169_rx_missed | rtl8169_check_link_status rtl_pll_power_down | rtl_request_firmware | rtl8169_init_phy | rtl_pll_power_up | rtl_hw_start | rtl8169_check_link_status | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Cc: Hayes Wang <hayeswang@realtek.com>
2012-01-27r8169: remove hardcoded PCIe registers accesses.Francois Romieu
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
2012-01-27e1000e: update copyright yearBruce Allan
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: split lib.c into three more-appropriate filesBruce Allan
The generic lib.c file contains code relative to the various MACs, NVM and Manageability supported by the driver. This patch splits the file into three which are specific to those areas similar to how the PHY-specific code is in phy.c and code specific to the 80003es2lan, 8257x, and ichX MAC families are in their own files. The generic code that is applicable to all MAC/PHY parts supported by the driver remains in netdev.c, param.c and ethtool.c files. No change in functionality, just moving code around for ease of maintenance, with some whitespace and other checkpatch cleanups. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: call er16flash() instead of __er16flash()Bruce Allan
__er16flash() is not meant to be called directly. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: increase version numberBruce Allan
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: convert final strncpy() to strlcpy()Bruce Allan
Convert the last instances of strncpy() to the preferred strlcpy(). Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: concatenate long debug strings which span multiple linesBruce Allan
To ease searching for debug message strings, concatenate strings that span multiple lines even if the resulting line exceeds 80 columns; these will not cause checkpatch warnings. Also, add '\n' and remove unnecessary '\r' from a few debug strings. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: conditionally restart autoneg on 82577/8/9 when setting LPLU stateBruce Allan
When setting the Low Power Link Up (LPLU, a.k.a. reverse auto-negotiation) on 82577/8278/82579, do not restart auto-negotiation if reset of the Phy is blocked by the Manageability Engine. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: increase Rx PBA to prevent dropping received packets on 82566/82567Bruce Allan
During bi-directional stress on some 82566/82567 devices, some received packets were dropped. Increasing the Receive Packet Buffer Allocation resolves this. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: ICHx/PCHx LOMs should use LPLU setting in NVM when going to SxBruce Allan
When going to Sx with an ICHx/PCH device, the default Low Power Link Up (LPLU, a.k.a. reverse auto-negotiation) behavior should be whatever is set in the NVM. However, the function e1000_suspend_workarounds_ich8lan() called when going to Sx always enabled LPLU in all power states. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: update workaround for 82579 intermittently disabled during S0->SxBruce Allan
The workaround which toggles the LANPHYPC (LAN PHY Power Control) value bit to force the MAC-Phy interconnect into PCIe mode from SMBus mode during driver load and resume should always be done except if PHY resets are blocked by the Manageability Engine (ME). Previously, the toggle was done only if PHY resets are blocked and the ME was disabled. The rest of the patch is just indentation changes as a consequence of the updated workaround. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27e1000e: disable Early Receive DMA on ICH LOMsBruce Allan
Internal stress testing with jumbo frames shows the reliability of ICH9 and ICH10D devices is improved in certain corner cases by disabling the Early Receive feature. To reduce the performance impact caused by disabling this feature, the packet buffer sizes and relevant flow control settings are modified accordingly. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-01-27sfc: Replace efx_rx_buffer::is_page and other booleans with a flags fieldBen Hutchings
Replace checksummed and discard booleans from efx_handle_rx_event() with a bitmask, added to the flags field. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Move the end of the non-GRO RX path into its own functionBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Make all MAC statistics consistently 64 bits wideBen Hutchings
Currently we use type u64 for byte counts, which can very quickly exceed 2^32, and unsigned long for packet counts, which do not. But it can still take only 20-something minutes to send or receive 2^32 packets, and not all tools properly handle overflow even if they sample more often than this. The MAC statistics are all updated synchronously, so it costs very little to make them all 64-bit regardless of native word size. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Rename implementation of ndo_set_rx_modeBen Hutchings
Rename efx_set_multicast_list() to efx_set_rx_mode(), in line with the operation name net_device_ops::ndo_set_rx_mode. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Remove redundant 'rc' variable, always set to 0Ben Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Minor formatting fixesBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Use existing local variables instead of repeated indirect lookupsBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Remove remnants of on-load self-testBen Hutchings
The out-of-tree version of the sfc driver used to run a self-test on each device before registering it. Although this was never included in-tree, some functions have checks for this special case which is not really possible. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Remove obsolete function efx_dev_name()Ben Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Update the description of SFC_MTDBen Hutchings
SFC4000 boards also have an EEPROM exposed as MTD. The boot configuration is accessed through MTD. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2012-01-27sfc: Add hwmon driver for boards using SFC9000-family controllersBen Hutchings
The SFC9000-family controllers have firmware to manage all board peripherals including temperature, heat sink continuity and voltage sensors. The firmware reports sensor alarms, which we log, and will shut down the board if necessary. Some users may want to monitor their boards more closely, so add an hwmon driver that exposes all sensors reported by the firmware. Move efx_mcdi_sensor_event() into the new file so it can share the array of sensor labels with the hwmon driver. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
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