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2014-02-12bnx2x: utilize FW 7.8.19Dmitry Kravkov2-3/+3
This new firmware fixes following bugs: 1. HW attention appears and traffic stops when iSCSI firmware tries to retransmit iSCSI login command when the iSCSI login is carrying data not aligned to 4-bytes. 2. FCoE traffic fails to run when running in switch-independent multi-function mode and there's more than one interface supporting FCoE on a given port. 3. While two ports are running FCoE with at least one of them has a function number (>1) on the same engine in a 4-port device a zeroed CQE is given, causing FCoE traffic to stop. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: (semantic) revise scheduling of sp_rtnlYuval Mintz6-44/+32
This removes the various points where the driver use bit operations in order to schedule the sp_rtnl_task from the code, adding a single utility function that does it instead. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: Fix bnx2x_panic_dump for VFsYuval Mintz1-40/+57
bnx2x_panic_dump() prints all kind of driver information, including slowpath information. Since VFs don't initialize slowpath information, a VF reaching this flow will likely cause a panic in the system as it will access NULL pointers. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: Revise IOV vlan/mac validationYuval Mintz5-74/+67
There are several places in IOV related flows where PF needs to determine whether a VF slowpath elements have already been configured (i.e., this affect its ability to configure/remove classifications for the VF). This patch changes the conditions for the validation and performs a cleaner validation (e.g., by replacing several validations with a single one). Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: Add support in PF driver for RSCMichal Kalderon8-48/+329
This provides PF-side support for VFs assigned to a VM running windows 2012 with the RSC feature enabled. Signed-off-by: Michal Kalderon <michals@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: Semantic Validate vlan/mac changesYuval Mintz1-9/+42
This is purely semantic - break the flow in which PF validates the VF classification filtering requirement is valid into several sub-functions for better readable code. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: Remove unnecessary internal mem configAriel Elior2-13/+0
Latest FW performs this autonomously, makes this code surplus. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: Remove unused iov codeYuval Mintz1-10/+0
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12bnx2x: [Debug] change verbosity of some printsYuval Mintz3-15/+25
There are some debug prints (mostly iov/statistics related) which clobber system logs whenever their verbosity level is set for an interface. This patch puts harsher verbosity requirements for such debug prints to be printed. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: expose phydev->has_fixups to sysfsFlorian Fainelli2-0/+20
Expose the PHY device has_fixups boolean as a sysfs property to help troubleshooting PHY configurations. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: add "has_fixups" boolean propertyFlorian Fainelli2-0/+2
Add a boolean property which indicates if the PHY has had any fixup routine ran on it. We are later going to use that boolean to expose it as a sysfs property to help troubleshooting. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: expose PHY device interface modeFlorian Fainelli2-0/+20
Expose the PHY device interface mode through sysfs since this is an useful piece of information for knowing how the attached networking device will have configured its transmit/receive path. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: re-design phy_modes to be self-containedFlorian Fainelli2-24/+44
of_get_phy_mode() uses a local array to map phy_interface_t values from include/linux/net/phy.h to a string which is read from the 'phy-mode' or 'phy-connection-type' property. In preparation for exposing the PHY interface mode through sysfs, perform the following: - mode phy_modes from drivers/of/of_net.c to include/linux/phy.h such that it is right below the phy_interface_t enum - make it a static inline function returning the string such that we can use it by just including include/linux/net/phy.h - add a PHY_INTERFACE_MODE_MAX enum value to guard the iteration in of_get_phy_mode() Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: fix phy_{clear,config}_interrupt comment typosFlorian Fainelli1-2/+2
The comments above phy_{clear,config}_interrupt used the word "on" instead of "or", when talking about the return values of the functions, fix these two typos. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: allow driver to implement their own aneg_doneFlorian Fainelli3-3/+10
Some PHYs out there can be very quirky with respect to how they would report the auto-negotiation is completed. Allow drivers to override the generic aneg_done() implementation by providing their own. Since not all drivers have been updated yet to use genphy_aneg_done() as aneg_done() callback, we explicitely check that this callback is valid before calling into it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: add genphy_aneg_done()Florian Fainelli3-3/+18
In preparation for allowing PHY drivers to potentially override their auto-negotiation done callback, move the contents of phy_aneg_done() to genphy_aneg_done() since that function really is the generic implementation based on the BMSR_ANEGCOMPLETE status. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: display human readable PHY speed settingsFlorian Fainelli1-2/+22
Use a convenience function: phy_speed_to_str() which will display human readable speeds. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: update phy_print_status to show pause settingsFlorian Fainelli1-2/+4
Update phy_print_status() to also display the PHY device pause settings (rx/tx or off). Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12net: phy: use network device in phy_print_statusFlorian Fainelli1-3/+2
phy_print_status() currently uses dev_name(&phydev->dev) which will usually result in printing something along those lines for Device Tree aware drivers: libphy: f0b60000.etherne:0a - Link is Down libphy: f0ba0000.etherne:00 - Link is Up - 1000/Full This is not terribly useful for network administrators or users since we expect a network interface name to be able to correlate link events with interfaces. Update phy_print_status() to use netdev_info() with phydev->attached_dev which is the backing network device for our PHY device. The leading dash is removed since netdev_info() prefixes the messages with "<interface>: " already. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Add/remove blank lines to tasteBen Hutchings5-7/+2
Remove trailing blank lines in several files. Use only one blank line between functions. Add a blank line as a separator in a few places. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Fail self-test with -EBUSY, not -EIO, if the device is busyBen Hutchings1-1/+1
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Cosmetic changes to self-test from the out-of-tree driverBen Hutchings1-5/+13
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Update product namingBen Hutchings2-2/+2
We don't use 'Solarstorm' or 'Solarflare Communications' in full any more. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Use canonical pointer type for MAC address in efx_set_mac_address()Ben Hutchings1-1/+1
Functions such as is_valid_ether_addr() expect u8 *, so use that instead of char *. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Rename 'use_options' variable in tso_start() to clearer 'use_opt_desc'Ben Hutchings1-2/+2
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Preserve rx_frm_trunc counters when resizing DMA ringsBen Hutchings1-2/+0
We allocate efx_channel structures with kzalloc() so we don't need to zero-initialise individual fields in efx_probe_channel(). Further, this function will be called again during DMA ring resizing and we should not reset any statistics then. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Correct comment about number of TX queues used on EF10Ben Hutchings1-2/+2
EF10 implements option descriptors to switch TX checksum offload on and off between packets. We could therefore use a single hardware TX queue per kernel TX queue, although we don't yet. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Remove unused definitions of EF10 user-mode DMA descriptorsBen Hutchings1-61/+0
These DMA descriptor types will only be used by the userland networking stack. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Replace TSOH_OFFSET with the equivalent NET_IP_ALIGNBen Hutchings1-13/+4
If CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is defined then NET_IP_ALIGN will be defined as 0, so this macro is redundant. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Rewrite adjustment of PPS event in a clearer wayBen Hutchings1-24/+23
There is substantial latency in generation and handling of PPS events from the NIC, which we have to correct for before passing a host timestamp to the PPS subsystem. We compare clocks with the MC, giving us two offsets to subtract from the timestamp generated by pps_get_ts(): (a) Time from the last good sync (where we got host and NIC timestamps for nearly the same instant) to the time we called pps_get_ts() (b) Time from NIC top of second to the last good sync We currently calculate (a) + (b) in a quite confusing way. Instead, calculate (a) completely, then add (b) to it. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Cache skb->data in local variable in efx_ptp_rx()Ben Hutchings1-10/+13
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12sfc: Removed adhoc scheme to rate limit PTP event queue overflow messageLaurence Evans1-20/+2
Use conventional net_ratelimit() instead. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Fix unwanted section breaks in kernel-docBen Hutchings1-7/+9
A colon almost unavoidably starts a new section. The script should be changed to provide a way to avoid this, but for now reword the comments to avoid using colons. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Move kernel-doc comment next to struct ethtool_dump definitionBen Hutchings1-3/+2
The kernel-doc script does not tolerate the macro definition in between. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Document the general convention for VLAs in kernel spaceBen Hutchings1-0/+3
Various ethtool command structures are declared with zero-length array at the end which are intended to be variable-length in userland (relying on lack of compiler bounds checking). However, in the kernel the structure and array are always allocated and passed to driver operations separately. Make that explicit. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_perm_addrBen Hutchings1-1/+12
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_statsBen Hutchings1-3/+13
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_testBen Hutchings1-4/+17
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of string set typesBen Hutchings1-12/+47
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Update documentation of struct ethtool_pauseparamBen Hutchings1-13/+23
Convert the inline comments to kernel-doc format. Explicitly specify that non-zero autoneg is an error if link autonegotiation is disabled. Specify that pause capabilities should be advertised dependent on link autonegotiation, not the autoneg flag here. There is no way to opt-out of pause frame autonegotiation, and this improves behaviour when the link partner is configured to follow pause frame autonegotiation and our interface is not. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_ringparamBen Hutchings1-11/+26
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_eepromBen Hutchings1-3/+20
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_regsBen Hutchings1-3/+17
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_wolBen Hutchings1-2/+11
Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_drvinfoBen Hutchings1-17/+39
Replace the inline comments (and some others below) with a full explanation of the semantics, in kernel-doc format. Specify which strings may be empty. Document the relationship with other commands. Replace the 'deprecation' of some fields with a proper explanation of the conversion to generalised string sets, as userland programs may not be able to assume that ETHTOOL_GSSET_INFO is available. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12ethtool: Expand documentation of struct ethtool_cmdBen Hutchings1-34/+90
struct ethtool_cmd has very limited documentation; it contains several obscure or obsolete fields and several with non-obvious interpretation. Replace the inline comments (and some others below) with a full explanation of the semantics as well as I understand them, in kernel-doc format. Formally deprecate some fields that seem to be of historical use only. Extend the comment about 32/64-bit compatibility to cover all ethtool structures. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-106lowpan: fix lockdep splatsEric Dumazet1-0/+20
When a device ndo_start_xmit() calls again dev_queue_xmit(), lockdep can complain because dev_queue_xmit() is re-entered and the spinlocks protecting tx queues share a common lockdep class. Same issue was fixed for bonding/l2tp/ppp in commits 0daa2303028a6 ("[PATCH] bonding: lockdep annotation") 49ee49202b4ac ("bonding: set qdisc_tx_busylock to avoid LOCKDEP splat") 23d3b8bfb8eb2 ("net: qdisc busylock needs lockdep annotations ") 303c07db487be ("ppp: set qdisc_tx_busylock to avoid LOCKDEP splat ") Reported-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Tested-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-10alx: add missing stats_lock spinlock initJohn Greene1-0/+1
Trivial fix for init time stack trace occuring in alx_get_stats64 upon start up. Should have been part of commit adding the spinlock: f1b6b106 alx: add alx_get_stats64 operation Signed-off-by: John Greene <jogreene@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-109p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffersRichard Yao1-1/+4
The 9p-virtio transport does zero copy on things larger than 1024 bytes in size. It accomplishes this by returning the physical addresses of pages to the virtio-pci device. At present, the translation is usually a bit shift. That approach produces an invalid page address when we read/write to vmalloc buffers, such as those used for Linux kernel modules. Any attempt to load a Linux kernel module from 9p-virtio produces the following stack. [<ffffffff814878ce>] p9_virtio_zc_request+0x45e/0x510 [<ffffffff814814ed>] p9_client_zc_rpc.constprop.16+0xfd/0x4f0 [<ffffffff814839dd>] p9_client_read+0x15d/0x240 [<ffffffff811c8440>] v9fs_fid_readn+0x50/0xa0 [<ffffffff811c84a0>] v9fs_file_readn+0x10/0x20 [<ffffffff811c84e7>] v9fs_file_read+0x37/0x70 [<ffffffff8114e3fb>] vfs_read+0x9b/0x160 [<ffffffff81153571>] kernel_read+0x41/0x60 [<ffffffff810c83ab>] copy_module_from_fd.isra.34+0xfb/0x180 Subsequently, QEMU will die printing: qemu-system-x86_64: virtio: trying to map MMIO memory This patch enables 9p-virtio to correctly handle this case. This not only enables us to load Linux kernel modules off virtfs, but also enables ZFS file-based vdevs on virtfs to be used without killing QEMU. Special thanks to both Avi Kivity and Alexander Graf for their interpretation of QEMU backtraces. Without their guidence, tracking down this bug would have taken much longer. Also, special thanks to Linus Torvalds for his insightful explanation of why this should use is_vmalloc_addr() instead of is_vmalloc_or_module_addr(): https://lkml.org/lkml/2014/2/8/272 Signed-off-by: Richard Yao <ryao@gentoo.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-10bonding: remove unwanted bond lock for enslave processingdingtianhong1-1/+0
The bond enslave processing don't hold bond->lock anymore, so release an unlocked rw lock will cause warning message, remove the unwanted read_unlock(&bond->lock). Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Acked-by: Veaceslav Falico <vfalico@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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