Commit Graph

21 Commits

Author SHA1 Message Date
Yevgeny Petrilin
e65b95915d mlx4: Setting the correct offset for default mac address
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-10-27 14:50:03 -04:00
Yevgeny Petrilin
7ff93f8b7e mlx4_core: Multiple port type support
Multi-protocol adapters support different port types.  Each consumer
of mlx4_core queries for supported port types; in particular mlx4_ib
can no longer assume that all physical ports belong to it.  Port type
is configured through a sysfs interface.  When the type of a port is
changed, all mlx4 interfaces are unregistered, and then registered
again with the new port types.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-10-22 15:38:42 -07:00
Yevgeny Petrilin
b79acb49de mlx4_core: Get ethernet MTU and default address from firmware
Get maximum ethernet MTU and default MAC address from the firmware
QUERY_DEV_CAP command.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-10-22 10:56:48 -07:00
Yevgeny Petrilin
93fc9e1bb6 mlx4_core: Support multiple pre-reserved QP regions
For ethernet support, we need to reserve QPs for the ethernet and
fibre channel driver.  The QPs are reserved at the end of the QP
table.  (This way we assure that they are aligned to their size)

We need to consider these reserved ranges in bitmap creation, so we
extend the mlx4 bitmap utility functions to allow reserved ranges at
both the bottom and the top of the range.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-10-22 10:25:29 -07:00
Jack Morgenstein
51a379d0c8 mlx4: Update/add Mellanox Technologies copyright lines to mlx4 driver files
Update existing Mellanox copyright lines to 2008, and add such lines
to files where they are missing.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-07-25 10:32:52 -07:00
Roland Dreier
95d04f0735 IB/mlx4: Add support for memory management extensions and local DMA L_Key
Add support for the following operations to mlx4 when device firmware
supports them:

 - Send with invalidate and local invalidate send queue work requests;
 - Allocate/free fast register MRs;
 - Allocate/free fast register MR page lists;
 - Fast register MR send queue work requests;
 - Local DMA L_Key.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-07-23 08:12:26 -07:00
Jack Morgenstein
51f5f0ee22 mlx4_core: Add module parameter to enable QoS support
Add a module parameter "enable_qos" to mlx4_core.  If this param is
set, enable support for QoS in the INIT_HCA command.  By default, the
parameter is set to 0 (disabled).

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-07-22 14:19:37 -07:00
Vladimir Sokolovsky
2d92865158 mlx4_core: Use MOD_STAT_CFG command to get minimal page size
There was a bug in some versions of the mlx4 driver in
mlx4_alloc_fmr(), which hardcoded the minimum acceptable page_shift to
be 12.  However, new ConnectX firmware can support a minimum
page_shift of 9 (log_pg_sz of 9 returned by QUERY_DEV_LIM) -- so with
old drivers, ib_fmr_alloc() would fail for ULPs using the device
minimum when creating FMRs.

To preserve firmware compatibility with released mlx4 drivers, the
firmware will continue to return 12 as before for log_page_sz in
QUERY_DEV_CAP for these drivers.  However, to enable new drivers to
take advantage of the available smaller page size, the mlx4 driver now
first sets the log_pg_sz to the device minimum by setting a
log_page_sz value to 0 via the MOD_STAT_CFG command and then reading
the real minimum via QUERY_DEV_CAP.

Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il>
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-07-14 23:48:53 -07:00
Eli Cohen
b832be1e40 IB/mlx4: Add IPoIB LSO support
Add TSO support to the mlx4_ib driver.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-04-16 21:09:27 -07:00
Eli Cohen
8ff095ec4b IB/mlx4: Add IPoIB checksum offload support
ConnectX devices support checksum generation and verification of TCP
and UDP packets for UD IPoIB messages.  This patch checks if the HCA
supports this and sets the IB_DEVICE_UD_IP_CSUM capability flag if it
does.  It implements support for handling the IB_SEND_IP_CSUM send
flag and setting the csum_ok field in receive work completions.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Ali Ayub <ali@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-04-16 21:01:10 -07:00
Jack Morgenstein
893da75956 mlx4_core: Don't read reserved fields in mlx4_QUERY_ADAPTER()
The firmware QUERY_ADAPTER command does not return vendor_id,
device_id, and revision_id; eliminate these fields from the query.

Initialize the rev_id field of the mlx4 device via init_node_data (MAD
IFC query), as is done in the query_device verb implementation.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-02-04 20:20:43 -08:00
Jack Morgenstein
5920869f1e mlx4_core: Fix max_eqs masking in QUERY_DEV_CAP
log_max_eqs is a 4-bit field, not a 3-bit field in the response to the
QUERY_DEV_CAP FW command, so we should mask with 0xf instead of 0x7
when reading it.

Found by Yossi Leybovitch of Mellanox.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-01-25 14:15:29 -08:00
Jack Morgenstein
77109cc282 mlx4_core: Increase command timeout for INIT_HCA to 10 seconds
The current INIT_HCA firmware command timeout is sufficient for the
default number of resources (QPs, CQs, etc) being allocated, but if
the HCA profile is modified to increase the amount of resources, then
a spurious timeout is detected and HCA initialization fails.

Increase the timeout for the INIT_HCA command to 10 seconds, which
also brings it into line with all the other command timeouts.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-21 15:06:04 -07:00
Roland Dreier
ea98054fef mlx4_core: Change capability decoding: SRC->XRC
The SRC ("scalable RC") transport has been renamed to XRC ("extended 
RC"), to avoid having an abbreviation that is so easily confused with an 
abbreviation for "source."  Update the HCA capability decoding output to 
use the new name.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-10-09 19:59:13 -07:00
Dotan Barak
149983af60 mlx4_core: Get the maximum message size from reported device capabilities
Get the maximum message size from the device capabilities returned
from the QUERY_DEV_CAP firmware command, rather than hard-coding 2 GB.

Signed-off-by: Dotan Barak <dotanb@dev.mellanox.co.il>
Signed-off-by: Michael S. Tsirkin <mst@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-07-09 20:12:26 -07:00
Roland Dreier
5ae2a7a836 IB/mlx4: Handle FW command interface rev 3
Upcoming firmware introduces command interface revision 3, which
changes the way port capabilities are queried and set.  Update the
driver to handle both the new and old command interfaces by adding a
new MLX4_FLAG_OLD_PORT_CMDS that it is set after querying the firmware
interface revision and then using the correct interface based on the
setting of the flag.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-06-18 08:15:02 -07:00
Roland Dreier
0e6e741621 IB/mlx4: Handle new FW requirement for send request prefetching
New ConnectX firmware introduces FW command interface revision 2,
which requires that for each QP, a chunk of send queue entries (the
"headroom") is kept marked as invalid, so that the HCA doesn't get
confused if it prefetches entries that haven't been posted yet.  Add
code to the driver to do this, and also update the user ABI so that
userspace can request that the prefetcher be turned off for userspace
QPs (we just leave the prefetcher on for all kernel QPs).

Unfortunately, marking send queue entries this way is confuses older
firmware, so we change the driver to allow only FW command interface
revisions 2.  This means that users will have to update their firmware
to work with the new driver, but the firmware is changing quickly and
the old firmware has lots of other bugs anyway, so this shouldn't be too
big a deal.

Based on a patch from Jack Morgenstein <jackm@dev.mellanox.co.il>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-06-18 08:13:48 -07:00
Roland Dreier
fe40900f40 mlx4_core: Check firmware command interface revision
HCA firmware with incompatible changes to the FW commmand interface is
coming soon.  Add a check of the interface revision during
initialization and bail out if the firmware advertises a revision that
the driver doesn't know about.  This will avoid strange failures later
if the driver goes on using the wrong interface revision. 

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-06-07 23:24:36 -07:00
Roland Dreier
3e1db334dc IB/mthca, mlx4_core: Fix typo in comment
s/signifant/significant/

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-06-07 11:51:59 -07:00
Roland Dreier
23c15c21d3 mlx4_core: Fix array overrun in dump_dev_cap_flags()
Don't overrun fname[] array when decoding device flags.

This was spotted by the Coverity checker (CID 1642).

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-05-19 08:51:57 -07:00
Roland Dreier
225c7b1fee IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters
Add an InfiniBand driver for Mellanox ConnectX adapters.  Because
these adapters can also be used as ethernet NICs and Fibre Channel 
HBAs, the driver is split into two modules: 
 
  mlx4_core: Handles low-level things like device initialization and 
    processing firmware commands.  Also controls resource allocation 
    so that the InfiniBand, ethernet and FC functions can share a 
    device without stepping on each other. 
 
  mlx4_ib: Handles InfiniBand-specific things; plugs into the 
    InfiniBand midlayer. 

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2007-05-08 18:00:38 -07:00