History log of /drivers/infiniband/hw/ipath/ipath_rc.c
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
9c3da0991754d480328eeaa2b90cb231a1cea9b6 18-Jan-2009 Harvey Harrison <harvey.harrison@gmail.com> IB: Remove __constant_{endian} uses

The base versions handle constant folding just fine, use them
directly. The replacements are OK in the include/ files as they are
not exported to userspace so we don't need the __ prefixed versions.

This patch does not affect code generation at all.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
fab01fc56063dafcc083f481ac0f9e6b5a576dd6 05-Dec-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix PSN of send WQEs after an RDMA read resend

The PSN of the first packet after an RDMA read is based on the size of
the RDMA read request. This is calculated correctly for the WQE sent
after the first request message but not on subsequent requests if the
RDMA read is resent.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
940358967599ba9057b3c51ba906e1cd5b984729 21-Sep-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix SLID generation for RC/UC QPs when LMC > 0

The code to set the source LID in the sent LRH was not setting the low
bits if LMC != 0 for RC/UC QPs.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
00f7ec36c9324928e4cd23f02e6d8550f30c32ca 15-Jul-2008 Steve Wise <swise@opengridcomputing.com> RDMA/core: Add memory management extensions support

This patch adds support for the IB "base memory management extension"
(BMME) and the equivalent iWARP operations (which the iWARP verbs
mandates all devices must implement). The new operations are:

- Allocate an ib_mr for use in fast register work requests.

- Allocate/free a physical buffer lists for use in fast register work
requests. This allows device drivers to allocate this memory as
needed for use in posting send requests (eg via dma_alloc_coherent).

- New send queue work requests:
* send with remote invalidate
* fast register memory region
* local invalidate memory region
* RDMA read with invalidate local memory region (iWARP only)

Consumer interface details:

- A new device capability flag IB_DEVICE_MEM_MGT_EXTENSIONS is added
to indicate device support for these features.

- New send work request opcodes IB_WR_FAST_REG_MR, IB_WR_LOCAL_INV,
IB_WR_RDMA_READ_WITH_INV are added.

- A new consumer API function, ib_alloc_mr() is added to allocate
fast register memory regions.

- New consumer API functions, ib_alloc_fast_reg_page_list() and
ib_free_fast_reg_page_list() are added to allocate and free
device-specific memory for fast registration page lists.

- A new consumer API function, ib_update_fast_reg_key(), is added to
allow the key portion of the R_Key and L_Key of a fast registration
MR to be updated. Consumers call this if desired before posting
a IB_WR_FAST_REG_MR work request.

Consumers can use this as follows:

- MR is allocated with ib_alloc_mr().

- Page list memory is allocated with ib_alloc_fast_reg_page_list().

- MR R_Key/L_Key "key" field is updated with ib_update_fast_reg_key().

- MR made VALID and bound to a specific page list via
ib_post_send(IB_WR_FAST_REG_MR)

- MR made INVALID via ib_post_send(IB_WR_LOCAL_INV),
ib_post_send(IB_WR_RDMA_READ_WITH_INV) or an incoming send with
invalidate operation.

- MR is deallocated with ib_dereg_mr()

- page lists dealloced via ib_free_fast_reg_page_list().

Applications can allocate a fast register MR once, and then can
repeatedly bind the MR to different physical block lists (PBLs) via
posting work requests to a send queue (SQ). For each outstanding
MR-to-PBL binding in the SQ pipe, a fast_reg_page_list needs to be
allocated (the fast_reg_page_list is owned by the low-level driver
from the consumer posting a work request until the request completes).
Thus pipelining can be achieved while still allowing device-specific
page_list processing.

The 32-bit fast register memory key/STag is composed of a 24-bit index
and an 8-bit key. The application can change the key each time it
fast registers thus allowing more control over the peer's use of the
key/STag (ie it can effectively be changed each time the rkey is
rebound to a page list).

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
74116f580b7279543340dd716a2af642f5c1c2c7 13-May-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix RDMA read response sequence checking

If an out of sequence RDMA read response middle or last packet is
received, we should only resend the RDMA read request on the first
out of sequence packet and drop subsequent out of sequence packets
otherwise, we get "too many retries".

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
e509be898d8937634437caa474b57ac12795e5bc 13-May-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix many locking issues when switching to error state

The send DMA hardware queue voided a number of prior assumptions about
when a send is complete which led to completions being generated out of
order. There were also a number of locking issues when switching the QP
to the error or reset states, and we implement the IB_QPS_SQD state.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
53dc1ca194c062aa9771e194047f27ec1ca592df 13-May-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix RC and UC error handling

When errors are detected in RC, the QP should transition to the
IB_QPS_ERR state, not the IB_QPS_SQE state. Also, when the error is on
the responder side, the receive work completion error was incorrect
(remote vs. local).

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
2bfc8e9edf200aeeca18ee44bcbf6bce65438a42 07-May-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Return the correct opcode for RDMA WRITE with immediate

This patch fixes a bug in the RC responder which generates a completion
entry with the wrong opcode when an RDMA WRITE with immediate is received.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
0f39cf3d54e67a705773fd0ec56ca3dcd3e9272f 17-Apr-2008 Roland Dreier <rolandd@cisco.com> IB/core: Add support for "send with invalidate" work requests

Add a new IB_WR_SEND_WITH_INV send opcode that can be used to mark a
"send with invalidate" work request as defined in the iWARP verbs and
the InfiniBand base memory management extensions. Also put "imm_data"
and a new "invalidate_rkey" member in a new "ex" union in struct
ib_send_wr. The invalidate_rkey member can be used to pass in an
R_Key/STag to be invalidated. Add this new union to struct
ib_uverbs_send_wr. Add code to copy the invalidate_rkey field in
ib_uverbs_post_send().

Fix up low-level drivers to deal with the change to struct ib_send_wr,
and just remove the imm_data initialization from net/sunrpc/xprtrdma/,
since that code never does any send with immediate operations.

Also, move the existing IB_DEVICE_SEND_W_INV flag to a new bit, since
the iWARP drivers currently in the tree set the bit. The amso1100
driver at least will silently fail to honor the IB_SEND_INVALIDATE bit
if passed in as part of userspace send requests (since it does not
implement kernel bypass work request queueing). Remove the flag from
all existing drivers that set it until we know which ones are OK.

The values chosen for the new flag is not consecutive to avoid clashing
with flags defined in the XRC patches, which are not merged yet but
which are already in use and are likely to be merged soon.

This resurrects a patch sent long ago by Mikkel Hagen <mhagen@iol.unh.edu>.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
e7eacd36865ae0707f5efae8e4dda421ffcd1b66 17-Apr-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Update copyright dates for files changed in 2008

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
d98b1937768c9f4e4420bd25406e5f0304d224bb 17-Apr-2008 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Use PIO buffer for RC ACKs

This reduces the latency for RC ACKs when a PIO buffer is available.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
450bb3875f5f5ab3679823c941d6045d16967370 21-Feb-2008 Patrick Marchand Latifi <patrick.latifi@qlogic.com> IB/ipath: Reset the retry counter for RDMA_READ_RESPONSE_MIDDLE packets

Reset the retry counter when we get a good RDMA_READ_RESPONSE_MIDDLE
packet. This fix will prevent the requester from reporting a retry
exceeded error too early.

Signed-off-by: Patrick Marchand Latifi <patrick.latifi@qlogic.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
cc65edcf0c174eff4367cfbc594a2f33c0d477fa 15-Dec-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix RNR NAK handling

This patch fixes a couple of minor problems with RNR NAK handling:
- The insertion sort was causing extra delay when inserting ahead
vs. behind an existing entry on the list.
- A resend of a first packet of a message which is still not ready,
needs another RNR NAK (i.e., it was suppressed when it shouldn't).
- Also, the resend tasklet doesn't need to be woken up unless the
ACK/NAK actually indicates progress has been made.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
f4ad1bcc4425a772ea584e1f24abadc64c2b839f 26-Oct-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix race with ACK retry timeout list management

When an ACK is received, the QP is removed from the timeout list and
then if there are still pending send WQEs, the QP is put back on the
timeout list. It is possible that another post send has put the QP on
the timeout list thus, a check needs to be made before trying to do it
again or the list is corrupted.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
d42b01b584b6f55f70c56f6a3dabc26f4982d30d 26-Aug-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Implement IB_EVENT_QP_LAST_WQE_REACHED

This patch implements the IB_EVENT_QP_LAST_WQE_REACHED event which is
needed by ib_ipoib to destroy the QP when used in connected mode.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
4ee97180ac76deb5a715ac45b7d7516e6ee82ae7 25-Jul-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Change UD to queue work requests like RC & UC

The code to post UD sends tried to process work requests at the time
ib_post_send() is called without using a WQE queue. This was fine as
long as HW resources were available for sending a packet. This patch
changes UD to be handled more like RC and UC and shares more code.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
87427da55bc03dbce7906a5b09ed50279d654d28 11-Jun-2007 John Gregor <john.gregor@qlogic.com> IB/ipath: Update copyright dates

Now that it's June, it's about time to update
the copyright notices of files that have changed.

Signed-off-by: John Gregor <john.gregor@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
b506e1dc59726a1c608f26e7294b9fe186255139 18-Jun-2007 Robert Walsh <robert.walsh@qlogic.com> IB/ipath: Send ACK invalid where appropriate

The IB specification ch. 9.9.3 table 58 says that a QP which isn't set
up for the operation should return a NAK invalid request.

Signed-off-by: Robert Walsh <robert.walsh@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
d781b129f1e8b3e2f369d8035a61a5233832e65c 18-Jun-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Duplicate RDMA reads can cause responder to NAK inappropriately

A duplicate RDMA read request can fool the responder into NAKing a new
RDMA read request because the responder wasn't keeping track of
whether the queue of RDMA read requests had been sent at least once.
For example, requester sends 4 2K byte RDMA read requests, times out,
and resends the first, then sees the 4 responses, then sends a 5th
RDMA read or atomic operation. The responder sees the 4 requests,
sends 4 responses, sees the resent 1st request, rewinds the queue,
then sees the 5th request but thinks the queue is full and that the
requester is invalidly sending a 5th new request.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
06ee109002672ac875558ec699b53cf08a865bd3 18-Jun-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix RDMA read retry code

A RDMA read response or atomic response can ACK earlier sends and RDMA
writes. In this case, the wrong work request pointer was being used
to store the read first response or atomic result. Also, if a RDMA
read request is retried, the code to compute which request to resend
was incorrect.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
1dd6a1be1416be48cafda9e63a614f26f0428d10 18-Jun-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Set M bit in BTH according to IB spec

According to chapter 17.2.8.1.1, QPs start in the migrated state and
should send packets with the M bit set in the BTH.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
154257f3626ea6dd96781fac0896c3f27fe2b0a1 03-May-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix a race condition when generating ACKs

Fix a problem where simple ACKs can be sent ahead of RDMA read
responses thus implicitly NAKing the RDMA read.

Signed-off-by: Ralph Campbell <ralph.cambpell@qlogic.com>
Signed-off-by: Robert Walsh <robert.walsh@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
6ed89b9574776d4178f1ad754d20e4f1e5a4b6c8 03-May-2007 Ralph Campbell <ralphc@pathscale.com> IB/ipath: Fix two more spin lock problems

Fix a missing unlock in ipath_rc_rcv_resp() and remove an extra unlock
from ipath_rc_rcv_error().

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
c3af664adbe06803931dbc7a3c8588982d72fac1 27-Apr-2007 Ralph Campbell <ralphc@pathscale.com> IB/ipath: Don't put QP in timeout queue if waiting to send

This fixes a problem which causes too many RC timeouts and
retransmits.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
35ff032e65ab5cc03bbba46cefece7376c7c562f 27-Apr-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Don't call spin_lock_irq() from interrupt context

This patch fixes the problem reported by Bernd Schubert <bs@q-leap.de>
with kernel debug options enabled:

BUG: at kernel/lockdep.c:1860 trace_hardirqs_on()

This was caused by using spin_lock_irq()/spin_unlock_irq() from
interrupt context. Fix all the places that might be called from
interrupts to use spin_lock_irqsave()/spin_unlock_irqrestore().

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
dd5190b6be0f3e27b6a4933a6a6d2d59957fc748 15-Mar-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix RDMA reads of length zero and error handling

Fix RDMA read response length checking for RDMA_READ_RESPONSE_ONLY to
allow a zero length response. RDMA read responses which don't match
the expected length or occur in response to some other operation
should generate a completion queue error (see table 56, ch. 9.9.2.3 in
the IB spec).

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
6f5c407460bba332d6bee52e19f2305539395511 15-Mar-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix PSN update for RC retries

This patch fixes a number of bugs with updating the PSN for retries of
RC requests.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
0434d271fddaabd65aaa4dbd0145112d6e8aa388 15-Mar-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix QP error completion queue entries

When switching to the QP error state, the completion queue entries
(error or flush) were not being generated correctly.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
3859e39d75b72f35f7d38c618fbbacb39a440c22 15-Mar-2007 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Support larger IB_QP_MAX_DEST_RD_ATOMIC and IB_QP_MAX_QP_RD_ATOMIC

This patch adds support for multiple RDMA reads and atomics to be sent
before an ACK is required to be seen by the requester.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
062dbb69f32b9ccea701b30f8cc0049482e6211f 31-Dec-2006 Michael S. Tsirkin <mst@mellanox.co.il> IB: Return qp pointer as part of ib_wc

struct ib_wc currently only includes the local QP number: this matches
the IB spec, but seems mostly useless. The following patch replaces
this with the pointer to qp itself, and updates all low level drivers
and all users.

This has the following advantages:
- Ability to get a per-qp context through wc->qp->qp_context
- Existing drivers already have the qp pointer ready in poll cq, so
this change actually saves a tiny bit (extra memory read) on data path
(for ehca it would actually be expensive to find the QP pointer when
polling a CQ, but ehca does not support SRQ so we can leave wc->qp as
NULL for ehca)
- Users that need the QP number can still get it through wc->qp->qp_num

Use case:

In IPoIB connected mode code, I have a common CQ shared by multiple
QPs. To track connection usage, I need a way to get at some per-QP
context upon the completion, and I would like to avoid allocating
context object per work request just to stick a QP pointer into it.
With this code, I can just use wc->qp->qp_context.

Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
13b18c86176cab34ef30ef0a5962fcb0305f7269 29-Sep-2006 Ralph Campbell <ralph.campbell@qlogic.com> IB/ipath: Fix RDMA reads

The PSN used to generate the request following a RDMA read was
incorrect and some state booking wasn't maintained correctly. This
patch fixes that.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
8d0208cb59a43bf867e16b977c34c4d6cd618f59 28-Sep-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: Flush RWQEs if access error or invalid error seen

If the receiver goes into the error state, we need to flush the
posted receive WQEs.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
6a553af286653818bb5831f1b351eefdc8a93b61 28-Sep-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: Ensure that PD of MR matches PD of QP checking the Rkey

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
10aeb0e6d8823c1cccf9edc8401c848745c128be 28-Sep-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: RC and UC should validate SLID and DLID

This is required for IB conformance (spec ch. 9.6.1.5).

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
6022943eb4cb3cb9e43f27f1faeaba38e162d966 28-Sep-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: Limit # of packets sent without an ACK received

The sender requests an ACK every 1/2 MB to avoid retransmit timeouts that
were causing MVAPICH mod_bw to fail after a predictable number of sends.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
34b2aafea38efdf02cd8107a6e1057e2a297c447 25-Aug-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: simplify layering code

A lot of ipath layer code was only called in one place. Now that the
ipath_core and ib_ipath drivers are merged, it's more sensible to simply
inline the simple stuff that the layer code was doing.

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
27b678dd04a636f2c351816f4b3042c8815d4e9d 01-Jul-2006 Bryan O'Sullivan <bos@pathscale.com> [PATCH] IB/ipath: namespace cleanup: replace ips with ipath

Remove ips namespace from infinipath drivers. This renames ips_common.h to
ipath_common.h. Definitions, data structures, etc. that were not used by
kernel modules have moved to user-only headers. All names including ips have
been renamed to ipath. Some names have had an ipath prefix added.

Signed-off-by: Christian Bell <christian.bell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/drivers/infiniband/hw/ipath/ipath_rc.c
12eef41f8b72b6e11e36b48c78849c17e49781c8 01-Jul-2006 Bryan O'Sullivan <bos@pathscale.com> [PATCH] IB/ipath: rC receive interrupt performance changes

This patch separates QP state used for sending and receiving RC packets so the
processing in the receive interrupt handler can be done mostly without locks
being held. ACK packets are now sent without requiring synchronization with
the send tasklet.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/drivers/infiniband/hw/ipath/ipath_rc.c
6700efdfc06d2dc9ef77988a00182c2ede0f1be0 01-Jul-2006 Bryan O'Sullivan <bos@pathscale.com> [PATCH] IB/ipath: fix shared receive queues for RC

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/drivers/infiniband/hw/ipath/ipath_rc.c
7bbb15ea8543e2e49476a27b507be3b02828a124 01-Jul-2006 Bryan O'Sullivan <bos@pathscale.com> [PATCH] IB/ipath: fix an indenting problem

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/drivers/infiniband/hw/ipath/ipath_rc.c
ddd4bb22108417fdc5c35324bd13a3265581ae76 01-Jul-2006 Bryan O'Sullivan <bos@pathscale.com> [PATCH] IB/ipath: share more common code between RC and UC protocols

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/drivers/infiniband/hw/ipath/ipath_rc.c
759d57686dab8169ca68bbf938ce8e965d1e107a 01-Jul-2006 Bryan O'Sullivan <bos@pathscale.com> [PATCH] IB/ipath: update copyrights and other strings to reflect new company name

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
/drivers/infiniband/hw/ipath/ipath_rc.c
94b8d9f98d7f535037eb9845b81396f667b4f727 23-May-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: replace uses of LIST_POISON

Per Andrew's request.

Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c
97f9efbc47f0b1bc88abac8724b505f0794a48d0 30-Mar-2006 Bryan O'Sullivan <bos@pathscale.com> IB/ipath: infiniband RC protocol support

This is an implementation of the Infiniband RC ("reliable connection")
protocol.

Signed-off-by: Bryan O'Sullivan <bos@pathscale.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
/drivers/infiniband/hw/ipath/ipath_rc.c