Commit Graph

341 Commits

Author SHA1 Message Date
Hans Petter Selasky
2da3897d01 Rename linuxapi[.ko] into linuxkpi[.ko], to reflect that it is a
kernel programming interface module, KPI, to avoid confusion with the
existing Linux userspace binary compatibility shims. Bump the
FreeBSD_version number.

Reviewed by:	np @
Suggested by:	dumbbell @
Sponsored by:	Mellanox Technologies
2015-10-22 09:50:45 +00:00
Hans Petter Selasky
f556cede8a Merge LinuxKPI changes from DragonflyBSD:
- Define the kref structure identical to the one found in Linux.
- Update clients referring inside the kref structure.
- Implement kref_sub() for FreeBSD.

Reviewed by:	np @
Sponsored by:	Mellanox Technologies
2015-10-19 12:26:38 +00:00
Navdeep Parhar
07d684f712 cxgbe(4): support for the kernel RSS option.
You need PCBGROUP and RSS in the kernel config to use this.

Relnotes:	Yes
Sponsored by:	Chelsio Communications
2015-10-16 01:19:55 +00:00
Navdeep Parhar
66eb134d76 iw_cxgbe: use correct RFC number. 2015-10-14 23:29:19 +00:00
Navdeep Parhar
ca7c0f2e2d iw_cxgbe: MPA v2 is always available.
Submitted by:	Krishnamraju Eraparaju at chelsio dot com
Reviewed by:	Steve Wise at opengridcomputing dot com
2015-10-13 01:04:38 +00:00
Navdeep Parhar
0d18010dec iw_cxgbe: fix for page fault in cm_close_handler().
This is roughly the iw_cxgbe equivalent of
be13b2dff8
-----------------
RDMA/cxgb4: Connect_request_upcall fixes

When processing an MPA Start Request, if the listening endpoint is
DEAD, then abort the connection.

If the IWCM returns an error, then we must abort the connection and
release resources.  Also abort_connection() should not post a CLOSE
event, so clean that up too.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
-----------------

Submitted by:	Krishnamraju Eraparaju at chelsio dot com.
2015-10-10 01:41:07 +00:00
John Baldwin
8fb15ddb00 Add a comment that to clarify how to determine the amount of received DDP
data.

Reviewed by:	np
Differential Revision:	https://reviews.freebsd.org/D3619
2015-09-10 21:41:11 +00:00
Navdeep Parhar
8faf57012b cxgbe(4): Save the flags for the last adapter-wide synchronized
operation that was initiated successfully.  (The caller and thread are
already recorded).

MFC after:	1 week
2015-08-19 15:40:03 +00:00
Navdeep Parhar
d94b89b915 cxgbe(4): Update T5 and T4 firmwares bundled with the driver to 1.14.4.0. The
changes in the firmwares since 1.11.27.0 are listed here (straight copy-paste
from the "Release Notes.txt" accompanying the Chelsio Unified Wire 2.11.1.0
release on the website).

22.1. T5 Firmware
+++++++++++++++++++++++++++++++++

Version : 1.14.4.0
Date    : 08/05/2015
================================================================================

FIXES
-----

BASE:
- Fixes a potential data path hang by properly programming PMTX congestion
  threshold settings.
- Fixes a potential initialization error when accessing a configuration file
  stored on the flash.
- Fixes a regression where SGE resources can be miss-sized if iWARP is disabled.

ETH:
- Fixes a timing issue that would prevent CR4 links from coming up with some
  switches.

FOFCoE:
- Defers fcoe linkdown mailbox command handling till LOGO is sent.
- Updates vlan prio for all outstanding IOs during dcbx update.

ENHANCEMENTS
------------

BASE:
- Adds support for PAUSE OFF watchdog.
- Reports devlog access information in PCIE_FW_PF register 7.

ETH:
- Enhances segmentation offload to include VxLAN and Geneve.
- Adds PTP support.
- Adds new interface to allow the driver to query the VI rss table base
  addresses.
- Allows the driver to program the SGE ingrext contxt CongDrop field.

OFLD:
- Adds new interface for the driver to specify offloaded connections TCP snd
  and rcv scale factors.

iSCSI:
- Adds support for iscsi segmentatation offload (ISO).
- Adds support for iscsi t10-dif offload.

FOiSCSI:
- Sets FORCE_BIT for cut through processing for FOiSCSI.

FOFCoE:
- Adds support for FCoE BB6.
- Improves WRITE performance.

================================================================================
================================================================================

Version : 1.13.32.0
Date    : 03/25/2015
================================================================================

FIXES
-----

BASE:
- Fixes FW_CAPS_CONFIG_CMD return value on error (was positive instead of
   negative)
- Fixes FW_PARAMS_PARAM_DEV_FLOWC_BUFFIFO_SZ indication (was wrong on certain
   adapter configurations)
- Fixes config file based PL_TIMEOUT register programming

ETH:
- Fixes a potential EO UDP SEG header corruption
- Fixes an issue where 1000Base-X was not enabled correctly when using QSA
   modules

OFLD:
- Fixes timeout issue with half-open connections
- Fixes FW_FLOWC_WR processing when state is set to finwait1

FOFCoE:
- Fixes fcoe xchg leaks in linkdown/peer down path
- Fixes cleanup in FCoE linkdown and fixed buf timer flowid abuse
- Fixes fw crash by clearing fcf flowc during bye

FOiSCSI:
- Don't create a new tcp socket if ERL0 attempt has timed out.

ENHANCEMENTS
------------

BASE:
- Adds support for VFs on PFs 4 to 7
- Adds support for QPs/CQs on any physical and virtual function

ETH:
- Stops sending LACP frames on loopback interface
- Adds an AUTOEQU indication to CPL_SGE_EGR_UPDATE
- Adds support for CR4 links (BEAN/AEC on 40G TwinAx cables)

OFLD:
- Improves default settings of LAN and CLUSTER TCP timer settings
- Sends Negative Advice CPLs to software

FOISCSI:
- Adds IPv6 support for foiscsi. Keeps backward compatibility with
   old foiscsi drivers which doesn't support ipv6.

FOFCoE:
- Added fcoe debug support in flowc dump

================================================================================
================================================================================

Version : 1.12.25.0
Date    : 10/22/2014
================================================================================

FIXES
-----

BASE:
- Improves precision of the Weight Round Robing Traffic Management Algorithm
- Fixes an issue where the link would intermittently fail to come up
- Fixes an issue where adapters with an external PHY couldn't run at 100Mbps
- Fixes an issue where active optical cables were not recognized
- Fixes link advertising issues on T520-BT (speed and pause frames) that would
  cause the link to negotiate unexpected settings
- Forces link restart when auto-negotiation is disabled
- Fix an issue where pause frames wouldn't be fully disabled even if requested

ETH:
- Fixes NVGRE Segmentation Offload network header generation.

DCBX:
- Fixes an issue where some settings were not being sent to the switch
  correctly
- Fixes an issue where back-to-back DCBX port updates could get overwritten by
  FW
- Fixes a firmware crash on DCBX APP information request before link up

FOiSCSI:
- Fixes abort task leak in tmf response handling
- Fixes TCP RST handling while in iSCSI ERL0
- Fixes a firmware crash on BYE without INIT

ENHANCEMENTS
-------------

BASE:
- Adds link partner settings reporting when available
- Adds QSA support (in conjunction with QSA VPD)
- Adds T520-BT LED support
- Reports NOTSUPPORTED for modules with an unhandled identifier

DCBX:
- Adds version reporting (indicating which version FW is trying to negotiate)
- Adds IEEE support
- Reports LLDP time outs

FOiSCSI:
- Add support for multiple iSCSI DDP client
- Sends DHCP renew request when lease expires

================================================================================

22.2. T4 Firmware
+++++++++++++++++

Version : 1.14.4.0
Date    : 08/05/2015
================================================================================

FIXES
-----

BASE:
- Fixes a potential initialization error when accessing a configuration file
  stored on the flash.
- Initialize PCIE_DBG_INDIR_REQ.Enable to 0, as hardware failed to do so and
  register dumps could result in errors.

ETH:
- Fixes an issue that sometimes prevented the link from coming up in CR adapters.

ENHANCEMENTS
------------

BASE:
- Adds support for PAUSE OFF watchdog.
- Reports devlog access information in PCIE_FW_PF register 7.

ETH:
- Adds new interface to allow the driver to query the VI rss table base
  addresses.

OFLD:
- Adds new interface for the driver to specify offloaded connections TCP snd
  and rcv scale factors.

================================================================================
================================================================================

Version : 1.13.32.0
Date    : 03/25/2015
================================================================================

FIXES
-----

BASE:
- Fixes FW_CAPS_CONFIG_CMD return value on error (was positive instead of
    negative)
- Fixes FW_PARAMS_PARAM_DEV_FLOWC_BUFFIFO_SZ indication (was wrong on certain
    adapter configurations)
- Fixes config file based PL_TIMEOUT register programming

ETH:
- Fixes a potential EO UDP SEG header corruption

OFLD:
- Fixes timeout issue with half-open connections
- Fixes FW_FLOWC_WR processing when state is set to finwait1

FOiSCSI:
- Don't create a new tcp socket if ERL0 attempt has timed out.

ENHANCEMENTS
------------

ETH:
- Stops sending LACP frames on loopback interface
- Adds an AUTOEQU indication to CPL_SGE_EGR_UPDATE

OFLD:
- Improves default settings of LAN and CLUSTER TCP timer settings
- Sends Negative Advice CPLs to software

================================================================================
================================================================================

Version : 1.12.25.0
Date    : 10/22/2014
================================================================================

FIXES
-----

BASE:
- Improves precision of the Weight Round Robing Traffic Management Algorithm
- Forces link restart when auto-negotiation is disabled
- Fix an issue where pause frames wouldn't be fully disabled even if requested

DCBX:
- Fixes an issue where some settings were not being sent to the switch
  correctly
- Fixes an issue where back-to-back DCBX port updates could get overwritten by
  FW
- Fixes a firmware crash on DCBX APP information request before link up

FOiSCSI:
- Fixes abort task leak in tmf response handling
- Fixes TCP RST handling while in iSCSI ERL0
- Fixes a firmware crash on BYE without INIT

ENHANCEMENTS
------------

BASE:
- Adds link partner settings reporting when available
- Firmware now reports NOTSUPPORTED for modules with an unhandled identifier

DCBX:
- Adds version reporting (indicating which version FW is trying to negotiate)
- Adds IEEE support
- Reports LLDP time outs

FOiSCSI:
- Adds support for multiple iSCSI DDP clients
- Sends DHCP renew request when lease expires

================================================================================

Obtained from:	Chelsio Communications
MFC after:	2 weeks
Sponsored by:	Chelsio Communications
2015-08-05 19:45:11 +00:00
Julien Charbon
ff9b006d61 Decompose TCP INP_INFO lock to increase short-lived TCP connections scalability:
- The existing TCP INP_INFO lock continues to protect the global inpcb list
  stability during full list traversal (e.g. tcp_pcblist()).

- A new INP_LIST lock protects inpcb list actual modifications (inp allocation
  and free) and inpcb global counters.

It allows to use TCP INP_INFO_RLOCK lock in critical paths (e.g. tcp_input())
and INP_INFO_WLOCK only in occasional operations that walk all connections.

PR:			183659
Differential Revision:	https://reviews.freebsd.org/D2599
Reviewed by:		jhb, adrian
Tested by:		adrian, nitroboost-gmail.com
Sponsored by:		Verisign, Inc.
2015-08-03 12:13:54 +00:00
Navdeep Parhar
3d3169c858 cxgbe(4): initialize debug_flags from the kernel environment.
MFC after:	3 days
2015-07-31 04:50:47 +00:00
Andrey V. Elsukov
cc0a3c8ca4 Convert in_ifaddr_lock and in6_ifaddr_lock to rmlock.
Both are used to protect access to IP addresses lists and they can be
acquired for reading several times per packet. To reduce lock contention
it is better to use rmlock here.

Reviewed by:	gnn (previous version)
Obtained from:	Yandex LLC
Sponsored by:	Yandex LLC
Differential Revision:	https://reviews.freebsd.org/D3149
2015-07-29 08:12:05 +00:00
Navdeep Parhar
a1ed88571f cxgbe(4): Ask the firmware for the start of the RSS slice for a port and
save it for later.  This enables direct manipulation of the indirection
tables (although the stock driver doesn't do that right now).

MFC after:	1 month
2015-07-17 06:46:18 +00:00
Navdeep Parhar
c7dbd80213 cxgbe(4): Update T4 and T5 firmwares to 1.14.2.0.
Obtained from:	Chelsio Communications
MFC after:	3 days
2015-07-14 08:02:05 +00:00
Luigi Rizzo
847bf38369 Sync netmap sources with the version in our private tree.
This commit contains large contributions from Giuseppe Lettieri and
Stefano Garzarella, is partly supported by grants from Verisign and Cisco,
and brings in the following:

- fix zerocopy monitor ports and introduce copying monitor ports
  (the latter are lower performance but give access to all traffic
  in parallel with the application)

- exclusive open mode, useful to implement solutions that recover
  from crashes of the main netmap client (suggested by Patrick Kelsey)

- revised memory allocator in preparation for the 'passthrough mode'
  (ptnetmap) recently presented at bsdcan. ptnetmap is described in
        S. Garzarella, G. Lettieri, L. Rizzo;
        Virtual device passthrough for high speed VM networking,
        ACM/IEEE ANCS 2015, Oakland (CA) May 2015
        http://info.iet.unipi.it/~luigi/research.html

- fix rx CRC handing on ixl

- add module dependencies for netmap when building drivers as modules

- minor simplifications to device-specific routines (*txsync, *rxsync)

- general code cleanup (remove unused variables, introduce macros
  to access rings and remove duplicate code,

Applications do not need to be recompiled, unless of course
they want to use the new features (monitors and exclusive open).

Those willing to try this code on stable/10 can just update the
sys/dev/netmap/*, sys/net/netmap* with the version in HEAD
and apply the small patches to individual device drivers.

MFC after:	1 month
Sponsored by:	(partly) Verisign, Cisco
2015-07-10 05:51:36 +00:00
Navdeep Parhar
9af71ab3bc cxgbe(4): Add a new knob that controls the congestion response of netmap
rx queues.  The default is to drop rather than backpressure.

This decouples the congestion settings of NIC and netmap rx queues.

MFC after:	3 days
2015-07-06 20:56:59 +00:00
Navdeep Parhar
41f7622b64 cxgbe(4): Do not override the the global defaults for congestion drops.
The hw.cxgbe.cong_drop knob is not affected by this change because the
driver sets up congestion drop on a per-queue basis.

MFC after:	3 days
2015-07-06 20:28:42 +00:00
Navdeep Parhar
fd215e45eb cxgbe(4): request an automatic tx update when a netmap tx queue idles.
The NIC tx queues already do this.

MFC after:	1 week
Differential Revision:
2015-07-01 00:34:14 +00:00
Navdeep Parhar
dbbf46c40c cxgbe: get_fl_payload returns a header mbuf when successful.
MFC after:	3 days
2015-06-23 05:55:13 +00:00
Navdeep Parhar
0e4cd4a2e0 cxgbe(4): Add the ability to dump mailbox commands and replies. It is
enabled/disabled via bit 0 of adapter->debug_flags (which is available
at dev.t5nex.<n>.debug_flags).

MFC after:	1 week
2015-06-16 12:36:29 +00:00
Navdeep Parhar
a40200ca80 cxgbe: set the minimum burst size when fetching fl buffers to 128B for
netmap rx queues too.  This should have gone in as part of r283858.
2015-06-05 00:37:46 +00:00
Navdeep Parhar
a89409b817 cxgbe: no need to display the per-lane GT/s rating of the pcie link.
MFC after:	1 week
2015-06-01 03:24:39 +00:00
Navdeep Parhar
6af2071b47 cxgbe: set minimum burst size when fetching freelist buffers to 128B.
MFC after:	3 days
2015-06-01 00:55:15 +00:00
Jung-uk Kim
fd90e2ed54 CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten
years for head.  However, it is continuously misused as the mpsafe argument
for callout_init(9).  Deprecate the flag and clean up callout_init() calls
to make them more consistent.

Differential Revision:	https://reviews.freebsd.org/D2613
Reviewed by:	jhb
MFC after:	2 weeks
2015-05-22 17:05:21 +00:00
Gleb Smirnoff
a5e0fa4063 Don't use ifm_data. It was used only for self checking debug.
Reviewed by:	np
2015-04-26 21:31:30 +00:00
Gleb Smirnoff
28ebe80cab Provide functions to determine presence of a given address
configured on a given interface.

Discussed with:	np
Sponsored by:	Nginx, Inc.
2015-04-17 11:57:06 +00:00
Navdeep Parhar
7ef00d7884 cxgbe/tom: return rx credits promptly if the socket buffer's low water
mark cannot be reached because the window advertised to the peer isn't
wide enough.  While here, tweak the normal credit return too.

MFC after:	1 month
2015-03-31 01:22:20 +00:00
Navdeep Parhar
70ca622987 cxgbe(4): provide the exact RSS hash type instead of a catch-all value
to the upper layers.
2015-03-26 18:45:51 +00:00
Navdeep Parhar
bb481a8edd cxgbe(4): Do not call sbuf_trim on an sbuf with a drain function.
MFC after:	1 week
2015-03-23 23:06:32 +00:00
John Baldwin
b12c0a9eeb Move special DDP handling for closing a connection into a new
handle_ddp_close() function in t4_ddp.c as the logic is similar
to handle_ddp_data().  This allows all knowledge of the special
DDP mbufs to be private to t4_ddp.c as well.
2015-03-16 15:56:06 +00:00
Ian Lepore
1eafc07856 Set the SBUF_INCLUDENUL flag in sbuf_new_for_sysctl() so that sysctl
strings returned to userland include the nulterm byte.

Some uses of sbuf_new_for_sysctl() write binary data rather than strings;
clear the SBUF_INCLUDENUL flag after calling sbuf_new_for_sysctl() in
those cases.  (Note that the sbuf code still automatically adds a nulterm
byte in sbuf_finish(), but since it's not included in the length it won't
get copied to userland along with the binary data.)

Remove explicit adding of a nulterm byte in a couple places now that it
gets done automatically by the sbuf drain code.

PR:		195668
2015-03-14 17:08:28 +00:00
Ian Lepore
b36424bd4b Revert r279934, r279938; this is going to be fixed in sbuf instead.
PR:		195668
2015-03-14 13:04:39 +00:00
Navdeep Parhar
070d262707 cxgbe(4): fix if_media handling for T520-BT cards. 1Gbps and 100Mbps
are valid for this card.

MFC after:	1 week
2015-03-14 00:02:53 +00:00
Ian Lepore
2f01da7886 Fix a paste-o, sb is already a pointer in this one. 2015-03-12 23:31:29 +00:00
Ian Lepore
9bc58e3d33 Nullterminate strings returned via sysctl.
PR:		195668
2015-03-12 18:22:20 +00:00
John Baldwin
69a088631e Resize receive socket buffers that support autosizing when receiving
TCP data via direct data placement.

Sponsored by:	Chelsio
MFC after:	1 week
2015-03-11 17:35:07 +00:00
Navdeep Parhar
08aeb15136 cxgbe(4): experimental rx packet sink for netmap queues. This is not
intended for general use.

MFC after:	1 month
2015-03-06 20:41:28 +00:00
Navdeep Parhar
1cdfce07df cxgbe(4): knobs to experiment with the interrupt coalescing timer for
netmap rx queues, and the "batchiness" of rx updates sent to the chip.

These knobs will probably become per-rxq in the near future and will be
documented only after their final form is decided.

MFC after:	1 month
2015-03-06 20:39:19 +00:00
Navdeep Parhar
7f93d696bf cxgbe(4): provide the correct size of freelists associated with netmap
rx queues to the chip.  This will fix many problems with native netmap
rx on ncxl/ncxgbe interfaces.

MFC after:	1 week
2015-03-06 16:05:20 +00:00
Navdeep Parhar
1c468ed975 cxgbe(4): allow tx hardware checksumming on the netmap interface.
It is disabled by default but users can set IFCAP_TXCSUM on the
netmap ifnet (ifconfig ncxl0 txcsum) to override netmap and force
the hardware to calculate and insert proper IP and L4 checksums in
outbound frames.

MFC after:	2 weeks
2015-02-24 21:31:13 +00:00
Navdeep Parhar
1605bac6fb cxgbe(4): set up congestion management for netmap rx queues.
The hw.cxgbe.cong_drop knob controls the response of the chip when
netmap queues are congested.
2015-02-24 18:40:10 +00:00
Navdeep Parhar
b91cbdda76 cxgbe(4): do not set the netmap rxq interrupts on a hair-trigger.
MFC after:	2 weeks
2015-02-24 18:32:17 +00:00
Navdeep Parhar
b46fad7b6a cxgbe(4): wait for the hardware to catch up before destroying a netmap txq.
MFC after:	2 weeks
2015-02-24 18:22:24 +00:00
Navdeep Parhar
f8e30f9cf1 cxgbe(4): request an automatic tx update when a netmap txq idles.
MFC after:	2 weeks
2015-02-24 18:19:25 +00:00
Navdeep Parhar
c5bb375553 cxgbe(4): there is no need to force an "unimplemented" panic needlessly.
The calls to free_nm_txq and free_nm_rxq are made just a few lines prior
to the panic.
2015-02-20 22:57:54 +00:00
Hans Petter Selasky
b5c1e0cb8d Update the infiniband stack to Mellanox's OFED version 2.1.
Highlights:
 - Multiple verbs API updates
 - Support for RoCE, RDMA over ethernet

All hardware drivers depending on the common infiniband stack has been
updated aswell.

Discussed with:	np @
Sponsored by:	Mellanox Technologies
MFC after:	1 month
2015-02-17 08:40:27 +00:00
Navdeep Parhar
d5d9fbbae2 cxgbe(4): allow the SET_FILTER_MODE ioctl to change the mode when it's
safe to do so.

MFC after:	1 month
2015-02-10 01:16:43 +00:00
Navdeep Parhar
b3d44a6800 cxgbe(4): tidy up some of the interaction between the Upper Layer
Drivers (ULDs) and the base if_cxgbe driver.

Track the per-adapter activation of ULDs in a new "active_ulds" field.
This was done pretty arbitrarily before this change -- via TOM_INIT_DONE
in adapter->flags for TOM, and the (1 << MAX_NPORTS) bit in
adapter->offload_map for iWARP.

iWARP and hw-accelerated iSCSI rely on the TOE (supported by the TOM
ULD).  The rules are:
a) If the iWARP and/or iSCSI ULDs are available when TOE is enabled then
   iWARP and/or iSCSI are enabled too.
b) When the iWARP and iSCSI modules are loaded they go looking for
   adapters with TOE enabled and enable themselves on that adapter.
c) You cannot deactivate or unload the TOM module from underneath iWARP
   or iSCSI.  Any such attempt will fail with EBUSY.

MFC after:	2 weeks
2015-02-08 09:28:55 +00:00
Navdeep Parhar
319f290030 cxgbe(4): adapter_full_init is always a synchronized operation.
MFC after:	1 week
2015-02-08 08:52:18 +00:00
Navdeep Parhar
d86a5ff917 cxgbe(4): a change to the synchronization rules within the the driver.
This is purely cosmetic because the new rules are already followed.

MFC after:	1 week
2015-02-08 08:42:45 +00:00