Commit Graph

313 Commits

Author SHA1 Message Date
Linus Torvalds c44eaf41a5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (34 commits)
  net: Add support for SMSC LAN9530, LAN9730 and LAN89530
  mlx4_en: Restoring RX buffer pointer in case of failure
  mlx4: Sensing link type at device initialization
  ipv4: Fix "Set rt->rt_iif more sanely on output routes."
  MAINTAINERS: add entry for Xen network backend
  be2net: Fix suspend/resume operation
  be2net: Rename some struct members for clarity
  pppoe: drop PPPOX_ZOMBIEs in pppoe_flush_dev
  dsa/mv88e6131: add support for mv88e6085 switch
  ipv6: Enable RFS sk_rxhash tracking for ipv6 sockets (v2)
  be2net: Fix a potential crash during shutdown.
  bna: Fix for handling firmware heartbeat failure
  can: mcp251x: Allow pass IRQ flags through platform data.
  smsc911x: fix mac_lock acquision before calling smsc911x_mac_read
  iwlwifi: accept EEPROM version 0x423 for iwl6000
  rt2x00: fix cancelling uninitialized work
  rtlwifi: Fix some warnings/bugs
  p54usb: IDs for two new devices
  wl12xx: fix potential buffer overflow in testmode nvs push
  zd1211rw: reset rx idle timer from tasklet
  ...
2011-04-11 07:27:24 -07:00
Yevgeny Petrilin 60b1809f7e mlx4_en: Restoring RX buffer pointer in case of failure
If not done, second attempt to open the RX ring would cause memory corruption.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-07 20:36:13 -07:00
Yevgeny Petrilin ab6dc30da5 mlx4: Sensing link type at device initialization
When bringing the port up, performing a SENSE_PORT command
To try and check to which physical link type (IB or Ethernet) the physical
port is connected.
In case there is no valid link partner, the port will come up as its
supported default.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-07 20:36:12 -07:00
Linus Torvalds 42933bac11 Merge branch 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6
* 'for-linus2' of git://git.profusion.mobi/users/lucas/linux-2.6:
  Fix common misspellings
2011-04-07 11:14:49 -07:00
Mariusz Kozlowski a14b289d46 mlx4: fix kfree on error path in new_steering_entry()
On error path kfree() should get pointer to memory allocated by
kmalloc() not the address of variable holding it (which is on stack).

Signed-off-by: Mariusz Kozlowski <mk@lab.zgora.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-03 22:04:01 -07:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
Yevgeny Petrilin c379474591 mlx4: Fixing bad size of event queue buffer
We should reduce the number of reserved completion queues from the total
number of entries. Since the queue size is power of two, not reducing the
reserved entries, caused a double queue size, which may lead to allocation
failures in some cases.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-31 02:52:18 -07:00
Yevgeny Petrilin 53020092bd mlx4: Fixing use after free
In case of allocation failure, tried to use the promiscuous QP
entry that was previously freed.
Now freeing this entry only in case we will not put it back to the list
of promiscuous entries.

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-31 02:52:17 -07:00
Linus Torvalds cb1817b373 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits)
  xfrm: Restrict extended sequence numbers to esp
  xfrm: Check for esn buffer len in xfrm_new_ae
  xfrm: Assign esn pointers when cloning a state
  xfrm: Move the test on replay window size into the replay check functions
  netdev: bfin_mac: document TE setting in RMII modes
  drivers net: Fix declaration ordering in inline functions.
  cxgb3: Apply interrupt coalescing settings to all queues
  net: Always allocate at least 16 skb frags regardless of page size
  ipv4: Don't ip_rt_put() an error pointer in RAW sockets.
  net: fix ethtool->set_flags not intended -EINVAL return value
  mlx4_en: Fix loss of promiscuity
  tg3: Fix inline keyword usage
  tg3: use <linux/io.h> and <linux/uaccess.h> instead <asm/io.h> and <asm/uaccess.h>
  net: use CHECKSUM_NONE instead of magic number
  Net / jme: Do not use legacy PCI power management
  myri10ge: small rx_done refactoring
  bridge: notify applications if address of bridge device changes
  ipv4: Fix IP timestamp option (IPOPT_TS_PRESPEC) handling in ip_options_echo()
  can: c_can: Fix tx_bytes accounting
  can: c_can_platform: fix irq check in probe
  ...
2011-03-29 07:41:33 -07:00
Herbert Xu b5845f9834 mlx4_en: Fix loss of promiscuity
The mlx4_en driver uses the combination stop_port/start_port
in a number of places.  Unfortunately that causes any promiscuous
mode settings on the hardware to be lost.

This patch fixes that problem.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-27 23:35:06 -07:00
Linus Torvalds 00a2470546 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (56 commits)
  route: Take the right src and dst addresses in ip_route_newports
  ipv4: Fix nexthop caching wrt. scoping.
  ipv4: Invalidate nexthop cache nh_saddr more correctly.
  net: fix pch_gbe section mismatch warning
  ipv4: fix fib metrics
  mlx4_en: Removing HW info from ethtool -i report.
  net_sched: fix THROTTLED/RUNNING race
  drivers/net/a2065.c: Convert release_resource to release_region/release_mem_region
  drivers/net/ariadne.c: Convert release_resource to release_region/release_mem_region
  bonding: fix rx_handler locking
  myri10ge: fix rmmod crash
  mlx4_en: updated driver version to 1.5.4.1
  mlx4_en: Using blue flame support
  mlx4_core: reserve UARs for userspace consumers
  mlx4_core: maintain available field in bitmap allocator
  mlx4: Add blue flame support for kernel consumers
  mlx4_en: Enabling new steering
  mlx4: Add support for promiscuous mode in the new steering model.
  mlx4: generalization of multicast steering.
  mlx4_en: Reporting HW revision in ethtool -i
  ...
2011-03-25 21:02:22 -07:00
Yevgeny Petrilin 6f71d7927c mlx4_en: Removing HW info from ethtool -i report.
Avoiding abuse of ethtool_drvinfo.driver field.
HW specific info can be retrieved using lspci.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-24 11:47:51 -07:00
Yevgeny Petrilin 61b85bf606 mlx4_en: updated driver version to 1.5.4.1
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:26 -07:00
Yevgeny Petrilin 87a5c3896f mlx4_en: Using blue flame support
Doorbell is used according to usage of BlueFlame.
For Blue Flame to work in Ethernet mode QP number should have 0
at bits 6,7.
Allocating range of QPs accordingly.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:25 -07:00
Eli Cohen 9ace5e0176 mlx4_core: reserve UARs for userspace consumers
Do not allow a kernel consumer to allocate a UAR to serve for blue flame if the
number of available UARs gets below MLX4_NUM_RESERVED_UARS (currently 8). This
will allow userspace apps to open a device file and run things like
ibv_devinfo.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:24 -07:00
Eli Cohen 42d1e017e2 mlx4_core: maintain available field in bitmap allocator
Add mlx4_bitmap_avail() to give the number of available resources. We want to
use this as a hint to whether to allocate a resources or not. This patch is
introduced to be used with allocation blue flame registers.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:24 -07:00
Eli Cohen c1b43dca13 mlx4: Add blue flame support for kernel consumers
Using blue flame can improve latency by allowing the HW to more efficiently
access the WQE. This patch presents two functions that are used to allocate or
release HW resources for using blue flame; the caller need to supply a struct
mlx4_bf object when allocating resources. Consumers that make use of this API
should post doorbells to the UAR object pointed by the initialized struct
mlx4_bf;

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:23 -07:00
Yevgeny Petrilin 1679200f91 mlx4_en: Enabling new steering
The mlx4_en module now uses the new steering mechanism.
The RX packets are now steered through the MCG table instead
of Mac table for unicast, and default entry for multicast.
The feature is enabled through INIT_HCA

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:22 -07:00
Yevgeny Petrilin b12d93d63c mlx4: Add support for promiscuous mode in the new steering model.
For Ethernet mode only,
When we want to register QP as promiscuous, it must be added to all the
existing steering entries and also to the default one.
The promiscuous QP might also be on of "real" QPs,
which means we need to monitor every entry to avoid duplicates and ensure
we close an entry when all it has is promiscuous QPs.
Same mechanism both for unicast and multicast.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:22 -07:00
Yevgeny Petrilin 0345584e0b mlx4: generalization of multicast steering.
The same packet steering mechanism would be used both for IB and Ethernet,
Both multicasts and unicasts.
This commit prepares the general infrastructure for this.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:21 -07:00
Yevgeny Petrilin 725c89997e mlx4_en: Reporting HW revision in ethtool -i
HW revision is derived from device ID and rev id.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:20 -07:00
Yevgeny Petrilin 14c07b1358 mlx4: Wake on LAN support
The driver queries the FW for WOL support.
Ethtool get/set_wol is implemented accordingly.
Only magic packets are supported at the time.

Signed-off-by: Igor Yarovinsky <igory@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:19 -07:00
Yevgeny Petrilin 1fb9876e9b mlx4_en: using new mlx4 interrupt scheme
Each RX ring will have its own interrupt vector, and TX rings will share one
(we mostly use polling for TX completions).
The vectors are assigned first time device is opened, and its name includes
the interface name and ring number.

Signed-off-by: Markuze Alex <markuze@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:18 -07:00
Yevgeny Petrilin 0b7ca5a928 mlx4: Changing interrupt scheme
Adding a pool of MSI-X vectors and EQs that can be used explicitly by mlx4_core
customers (mlx4_ib, mlx4_en). The consumers will assign their own names to the
interrupt vectors. Those vectors are not opened at mlx4 device initialization,
opened by demand.
Changed the max number of possible EQs according to the new scheme, no longer relies on
on number of cores.
The new functionality is exposed through mlx4_assign_eq() and mlx4_release_eq().
Customers that do not use the new API will get completion vectors as before.

Signed-off-by: Markuze Alex <markuze@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:18 -07:00
Yevgeny Petrilin 908222655b mlx4_en: bringing link up when registering netdevice
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:17 -07:00
Yevgeny Petrilin 46afd0fb01 mlx4_en: optimize adaptive moderation algorithm for better latency
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:16 -07:00
Yevgeny Petrilin 39f17b44aa mlx4_en: moderation parameters are not reseted.
Instead of reseting the module parameters each ifup or mtu change,
they are being set once at device initialization
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:16 -07:00
Yevgeny Petrilin b6055006b2 mlx4_en: going out of range of TX rings when reporting stats
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-03-23 12:24:15 -07:00
David Dillow 7f9e5c48c1 IB: Increase DMA max_segment_size on Mellanox hardware
By default, each device is assumed to be able only handle 64 KB chunks
during DMA. By giving the segment size a larger value, the block layer
will coalesce more S/G entries together for SRP, allowing larger
requests with the same sg_tablesize setting.  The block layer is the
only direct user of it, though a few IOMMU drivers reference it as
well for their *_map_sg coalescing code. pci-gart_64 on x86, and a
smattering on on sparc, powerpc, and ia64.

Since other IB protocols could potentially see larger segments with
this, let's check those:

 - iSER is fine, because you limit your maximum request size to 512
   KB, so we'll never overrun the page vector in struct iser_page_vec
   (128 entries currently). It is independent of the DMA segment size,
   and handles multi-page segments already.

 - IPoIB is fine, as it maps each page individually, and doesn't use
   ib_dma_map_sg().

 - RDS appears to do the right thing and has no dependencies on DMA
   segment size, but I don't claim to have done a complete audit.

 - NFSoRDMA and 9p are OK -- they do not use ib_dma_map_sg(), so they
   doesn't care about the coalescing.

 - Lustre's ko2iblnd does not care about coalescing -- it properly
   walks the returned sg list.

This patch ups the value on Mellanox hardware to 1 GB, which matches
reported firmware limits on mlx4.

Signed-off-by: David Dillow <dillowda@ornl.gov>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-03-22 09:39:18 -07:00
Yevgeny Petrilin 31dd272e8c mlx4_core: Add ConnectX-3 device IDs
...as already added to pci.ids.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2011-01-28 15:24:55 -08:00
Aleksey Senin da995a8aee IB/mlx4: Handle protocol field in multicast table
The newest device firmware stores IB vs. Ethernet protocol in two bits
in members_count field of multicast group table (0: Infiniband, 1:
Ethernet).  When changing the QP members count for a multicast group,
it important not to reset this information.  When calling multicast
attach first time, the protocol type should be specified.  In this
patch we always set it IB, but in the future we will handle Ethernet
too.  When looking for a QP, the protocol type shoud be checked too.

Signed-off-by: Aleksey Senin <alekseys@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2011-01-12 14:49:17 -08:00
Roland Dreier 4979d18fe1 mlx4_{core, ib, en}: Fix driver when sizeof (phys_addr_t) > sizeof (long)
Some systems have PCI addresses that don't fit in unsigned long (eg some
32-bit PowerPC 440 systems have 36-bit bus addresses).  Fix up mlx4 drivers
by using phys_addr_t where appropriate, so we don't truncate any PCI
resource addresses before ioremapping them.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2011-01-12 09:50:36 -08:00
Linus Torvalds 4162cf6497 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (67 commits)
  cxgb4vf: recover from failure in cxgb4vf_open()
  netfilter: ebtables: make broute table work again
  netfilter: fix race in conntrack between dump_table and destroy
  ah: reload pointers to skb data after calling skb_cow_data()
  ah: update maximum truncated ICV length
  xfrm: check trunc_len in XFRMA_ALG_AUTH_TRUNC
  ehea: Increase the skb array usage
  net/fec: remove config FEC2 as it's used nowhere
  pcnet_cs: add new_id
  tcp: disallow bind() to reuse addr/port
  net/r8169: Update the function of parsing firmware
  net: ppp: use {get,put}_unaligned_be{16,32}
  CAIF: Fix IPv6 support in receive path for GPRS/3G
  arp: allow to invalidate specific ARP entries
  net_sched: factorize qdisc stats handling
  mlx4: Call alloc_etherdev to allocate RX and TX queues
  net: Add alloc_netdev_mqs function
  caif: don't set connection request param size before copying data
  cxgb4vf: fix mailbox data/control coherency domain race
  qlcnic: change module parameter permissions
  ...
2011-01-11 16:32:41 -08:00
Ali Ayoub 030b4b3309 mlx4_core: Avoid vunmap() of invalid pointer if allocation fails
Signed-off-by: Ali Ayoub <ali@mellanox.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2011-01-10 17:42:06 -08:00
Roland Dreier f5a49539a6 mlx4_core: Remove warning message about firmware bug
The kernel warning message added in commit 58d74bb1d9 ("mlx4_core:
Workaround firmware bug in query dev cap") about mlx4 reporting the
wrong number of "blue flame registers" doesn't really help anyone, since
the firmware bug is known and fixed and the bug is pretty much harmless
to users.  So just get rid of the warning.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2011-01-10 17:42:05 -08:00
Tom Herbert f1593d2298 mlx4: Call alloc_etherdev to allocate RX and TX queues
Changed driver to call alloc_etherdev_mqs so that the number of TX
and RX queues can be set to correct values in the netdev device.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-10 16:05:31 -08:00
Linus Torvalds 75318ec327 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB: Fix information leak in marshalling code
  IB/pack: Remove some unused code added by the IBoE patches
  IB/mlx4: Fix IBoE link state
  IB/mlx4: Fix IBoE reported link rate
  mlx4_core: Workaround firmware bug in query dev cap
  IB/mlx4: Fix memory ordering of VLAN insertion control bits
  MAINTAINERS: Update NetEffect entry
2010-12-02 12:10:56 -08:00
Eli Cohen 58d74bb1d9 mlx4_core: Workaround firmware bug in query dev cap
ConnectX firmware is supposed to report the number blue flame
registers per page as log2 of the value.  However, due to a firmware
bug, it reports actual number.  This patch works around this by
checking if the number of registers calculated fits within a page.  If
it does not, we use 8 registers per page.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-12-01 16:08:47 -08:00
Linus Torvalds 22cdbd1d57 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits)
  ehea: Fixing statistics
  bonding: Fix lockdep warning after bond_vlan_rx_register()
  tunnels: Fix tunnels change rcu protection
  caif-u5500: Build config for CAIF shared mem driver
  caif-u5500: CAIF shared memory mailbox interface
  caif-u5500: CAIF shared memory transport protocol
  caif-u5500: Adding shared memory include
  drivers/isdn: delete double assignment
  drivers/net/typhoon.c: delete double assignment
  drivers/net/sb1000.c: delete double assignment
  qlcnic: define valid vlan id range
  qlcnic: reduce rx ring size
  qlcnic: fix mac learning
  ehea: fix use after free
  inetpeer: __rcu annotations
  fib_rules: __rcu annotates ctarget
  tunnels: add __rcu annotations
  net: add __rcu annotations to protocol
  ipv4: add __rcu annotations to routes.c
  qlge: bugfix: Restoring the vlan setting.
  ...
2010-10-27 18:28:00 -07:00
Linus Torvalds 9e5fca251f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (63 commits)
  IB/qib: clean up properly if pci_set_consistent_dma_mask() fails
  IB/qib: Allow driver to load if PCIe AER fails
  IB/qib: Fix uninitialized pointer if CONFIG_PCI_MSI not set
  IB/qib: Fix extra log level in qib_early_err()
  RDMA/cxgb4: Remove unnecessary KERN_<level> use
  RDMA/cxgb3: Remove unnecessary KERN_<level> use
  IB/core: Add link layer type information to sysfs
  IB/mlx4: Add VLAN support for IBoE
  IB/core: Add VLAN support for IBoE
  IB/mlx4: Add support for IBoE
  mlx4_en: Change multicast promiscuous mode to support IBoE
  mlx4_core: Update data structures and constants for IBoE
  mlx4_core: Allow protocol drivers to find corresponding interfaces
  IB/uverbs: Return link layer type to userspace for query port operation
  IB/srp: Sync buffer before posting send
  IB/srp: Use list_first_entry()
  IB/srp: Reduce number of BUSY conditions
  IB/srp: Eliminate two forward declarations
  IB/mlx4: Signal node desc changes to SM by using FW to generate trap 144
  IB: Replace EXTRA_CFLAGS with ccflags-y
  ...
2010-10-26 17:54:22 -07:00
Roland Dreier 116e9535fe Merge branches 'amso1100', 'cma', 'cxgb3', 'cxgb4', 'ehca', 'iboe', 'ipoib', 'misc', 'mlx4', 'nes', 'qib' and 'srp' into for-next 2010-10-26 16:09:11 -07:00
Eli Cohen 0926f91083 mlx4_en: Fix out of bounds array access
When searching for a free entry in either mlx4_register_vlan() or
mlx4_register_mac(), and there is no free entry, the loop terminates without
updating the local variable free thus causing out of array bounds access. Fix
this by adding a proper check outside the loop.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-25 12:14:11 -07:00
Eli Cohen 4c3eb3ca13 IB/mlx4: Add VLAN support for IBoE
This patch allows IBoE traffic to be encapsulated in 802.1Q tagged
VLAN frames.  The VLAN tag is encoded in the GID and derived from it
by a simple computation.

The netdev notifier callback is modified to catch VLAN device
addition/removal and the port's GID table is updated to reflect the
change, so that for each netdevice there is an entry in the GID table.
When the port's GID table is exhausted, GID entries will not be added.
Only children of the main interfaces can add to the GID table; if a
VLAN interface is added on another VLAN interface (e.g. "vconfig add
eth2.6 8"), then that interfaces will not add an entry to the GID
table.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-25 10:20:39 -07:00
Eli Cohen 7ac870ed7d mlx4_en: Change multicast promiscuous mode to support IBoE
Change multicast promiscuous mode to pass packets through the multicast group distribution table
before sending packets that miss to the default multicast QP.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-25 10:20:39 -07:00
Eli Cohen 96dfa684c8 mlx4_core: Update data structures and constants for IBoE
Add fields to hardware data structures and add new constants required for IBoE
support.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-25 10:20:39 -07:00
Eli Cohen 33c87f0af6 mlx4_core: Allow protocol drivers to find corresponding interfaces
Add a mechanism for mlx4 protocol drivers to get a pointer to other
drivers's device objects.  For this, an exported function,
mlx4_get_protocol_dev() is added, which allows a driver to get some
other driver's device based on the protocol that the driver
implements.  Two protocols are added: MLX4_PROTOCOL_IB and
MLX4_PROTOCOL_EN.

This will be used in mlx4 IBoE support so that mlx4_ib can find the
corresponding mlx4_en netdev.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>

[ Clean up and rename a few things.  - Roland ]

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-25 10:20:39 -07:00
stephen hemminger 9740d78604 mlx4: make functions local and remove dead code.
Make the following function static: mlx4_UNMAP_ICM
Remove the following unused function:  mlx4_MAP_ICM_page

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-24 14:55:47 -07:00
Jesse Gross eab6d18d20 vlan: Don't check for vlan group before vlan_tx_tag_present.
Many (but not all) drivers check to see whether there is a vlan
group configured before using a tag stored in the skb.  There's
not much point in this check since it just throws away data that
should only be present in the expected circumstances.  However,
it will soon be legal and expected to get a vlan tag when no
vlan group is configured, so remove this check from all drivers
to avoid dropping the tags.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-21 01:26:52 -07:00
Eli Cohen 0498628f97 mlx4_core: Allow log_mtts_per_seg up to 7
As there are now machines with a lot more physical memory, we need to
be able to register more memory. This patch lifts the upper limit of
log_mtts_per_seg from 5 to 7, increasing the amount of memory that can
be registered.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-09-28 20:48:49 -07:00
Ben Hutchings 1eb63a2814 mlx4_en: Use netif_set_real_num_{rx, tx}_queues()
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-27 22:09:54 -07:00