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159 Commits

Author SHA1 Message Date
Navdeep Parhar
3a760ee793 - Show the reason why link is down if this information is available. 
- Display the temperature and PHY firmware version of the BT PHY.

MFC after:	1 day
 2013-07-05 01:53:51 +00:00
Navdeep Parhar
6eb3180fb2 - Make note of interface MTU change if the rx queues exist, and not just 
when the interface is up.
- Add a tunable to control the TOE's rx coalesce feature (enabled by
  default as it always has been).  Consider the interface MTU or the
  coalesce size when deciding which cluster zone to use to fill the
  offload rx queue's free list.  The tunable is:
  dev.{t4nex,t5nex}.<N>.toe.rx_coalesce

MFC after:	1 day
 2013-07-04 21:19:01 +00:00
Navdeep Parhar
6300655cc1 On-the-fly changes to the interrupt coalescing timer should apply to the 
TOE rx queues too.

MFC after:	1 day
 2013-07-04 20:17:39 +00:00
Navdeep Parhar
50ce3d40aa Pay attention to TCP_NODELAY when it's set/unset after the connection 
is established.

MFC after:	1 day
 2013-07-04 19:44:30 +00:00
Navdeep Parhar
7e2fb22f81 Ring the egress queue's doorbell as soon as there are 8 or more 
descriptors ready to be processed.

MFC after:	1 day
 2013-07-04 19:15:41 +00:00
Navdeep Parhar
054a2dc11c The T5 allows the driver to specify the ISS. Do so; use the ISS picked 
by the kernel.

MFC after:	1 day
 2013-07-04 18:41:21 +00:00
Navdeep Parhar
c337fa30af - Read all TP parameters in one place. 
- Read the filter mode, calculate various shifts, and use them
  properly during active open (in select_ntuple).

MFC after:	1 day
 2013-07-04 17:55:52 +00:00
Navdeep Parhar
f72b68a1bf - Include the T5 firmware with the driver. 
- Update the T4 firmware to the latest.
- Minor reorganization and updates to the version macros, etc.

Obtained from:	Chelsio
MFC after:	1 day
 2013-07-03 23:52:15 +00:00
Navdeep Parhar
87c7afeb55 Add a sysctl to get the number of filters available. 
sysctl dev.t4nex.<N>.nfilters
sysctl dev.t5nex.<N>.nfilters

MFC after:	3 days
 2013-07-01 17:31:04 +00:00
Navdeep Parhar
9942898697 Update T5 register ranges. This is so that regdump skips over registers 
with read side-effects.

MFC after:	3 days
 2013-06-27 18:59:07 +00:00
Navdeep Parhar
f81cb396de cxgbe/tom: Allow caller to select the queue (control or data) used to 
send the CPL_SET_TCB_FIELD request in t4_set_tcb_field().

MFC after:	1 week
 2013-06-11 21:20:23 +00:00
Navdeep Parhar
e0f8a7f4da cxgbe/tom: Fix bad signed/unsigned mixup in the stid allocator. This 
fixes a panic when allocating a mixture of IPv6 and IPv4 stids.

MFC after:	1 week
 2013-06-08 07:23:26 +00:00
Navdeep Parhar
ad13c6af54 cxgbe(4): Never install a firmware if hw.cxgbe.fw_install is 0. 
MFC after:	1 week
 2013-06-05 20:57:52 +00:00
Navdeep Parhar
9050afc0a0 cxgbe(4): Provide accurate hit count for filters on T5 cards. The 
location within the TCB and the size have both changed.

MFC after:	1 week
 2013-06-04 02:25:25 +00:00
Navdeep Parhar
9e4ffff197 cxgbe(4): Some more debug sysctls. These work on both T4 and T5 based 
cards.

dev.t5nex.0.misc.cim_ma_la: CIM MA logic analyzer
dev.t5nex.0.misc.cim_pif_la: CIM PIF logic analyzer
dev.t5nex.0.misc.mps_tcam: MPS TCAM entries
dev.t5nex.0.misc.tp_la: TP logic analyzer
dev.t5nex.0.misc.ulprx_la: ULPRX logic analyzer

Obtained from:	Chelsio
MFC after:	1 week
 2013-06-01 02:07:37 +00:00
Konstantin Belousov
5ada86640b Add dependencies on the firmware, which allows the loading of the cxgb 
and cxgbe modules.

Reviewed and approved by:	np
MFC after:	1 week
 2013-05-16 13:07:02 +00:00
Navdeep Parhar
d607c7477c Deal correctly with 40G ports that don't have any transceiver plugged 
in.  Do not claim that they have unknown tranceivers.

MFC after:	3 days
 2013-05-13 20:00:03 +00:00
Navdeep Parhar
959cbee5b0 cxgbe: Switch to a better way to install firmware. 
MFC after:	1 week
 2013-05-03 20:09:17 +00:00
Navdeep Parhar
688dba74a5 cxgbe/tom: Do not use M_PROTO1 to mark rx zero-copy mbufs as special. 
All the M_PROTOn flags are clobbered when an mbuf is appended to the
socket buffer.

MFC after:	1 week
 2013-05-03 18:37:50 +00:00
Navdeep Parhar
88c4ff7bf1 Fix DDP breakage introduced in r248925. Bitwise OR has higher 
precedence than ternary conditional.

MFC after:	1 week
 2013-04-30 19:57:21 +00:00
Navdeep Parhar
249b2994d4 Attach to the T580 (2 x 40G) card. 
MFC after:	1 week.
 2013-04-30 06:30:21 +00:00
Navdeep Parhar
8cf31b85b5 - Provide accurate ifmedia information so that 40G ports/transceivers are 
displayed properly in ifconfig, etc.

- Use the same number of tx and rx queues for a 40G port as for a 10G port.

MFC after:	1 week
 2013-04-30 05:51:52 +00:00
Navdeep Parhar
3cc9b3e283 cxgbe(4): Some updates to shared code. 
Obtained from:	Chelsio
MFC after:	1 week
 2013-04-30 05:32:07 +00:00
Navdeep Parhar
3cc7ae06fd cxgbe(4): Refuse to install T5 firmwares on a T4 card (and vice versa). 
MFC after:	1 week
 2013-04-18 22:54:41 +00:00
Navdeep Parhar
dd181b2652 cxgbe/tom: Update the CLIP table on the chip when there are changes 
to the list of IPv6 addresses on the system.  The table is used for
TOE+IPv6 only.
 2013-04-18 19:52:11 +00:00
Navdeep Parhar
c0bc8af9b7 Add pciids of the T5 based cards. The ones that I haven't tested with 
cxgbe(4) are disabled for now.  This will change.

MFC after:	2 weeks
 2013-04-11 23:40:05 +00:00
Navdeep Parhar
77ad3c4146 Cosmetic change (s/wrwc/wcwr/;s/WRWC/WCWR/). 
MFC after:	3 days.
 2013-04-11 22:49:29 +00:00
Navdeep Parhar
cf738022b0 Auto-reduce the holdoff timers that are greater than the maximum value 
allowed by the hardware.

MFC after:	3 days
 2013-04-11 22:46:39 +00:00
Navdeep Parhar
b7a7c6d0c3 cxgbe/tom: Slight simplification of code that calculates options2. 
MFC after:	3 days
 2013-04-11 21:36:01 +00:00
Navdeep Parhar
e7fdf38bbb Get rid of a couple of stray \n's. 
MFC after:	3 days.
 2013-04-11 21:17:49 +00:00
Navdeep Parhar
53e8e49dcf There is no need for elaborate queries and error checking when trying to 
set FW4MSG_ENCAP.

MFC after:	3 days
 2013-04-11 21:15:35 +00:00
Navdeep Parhar
408b98ef5a - Explain clearly why a different firmware is being installed (if/when 
it is being installed).  Improve other error messages while here.

- Select special FPGA specific configuration profile when appropriate.

MFC after:	3 days
 2013-04-11 19:39:40 +00:00
Navdeep Parhar
13bf4b0798 cxgbe(4): Ensure that the MOD_LOAD handler runs before either t4nex or 
t5nex attach to their devices.

MFC after:	3 days
 2013-04-11 17:50:50 +00:00
Navdeep Parhar
d14b0ac129 cxgbe(4): Add support for Chelsio's Terminator 5 (aka T5) ASIC. This 
includes support for the NIC and TOE features of the 40G, 10G, and
1G/100M cards based on the T5.

The ASIC is mostly backward compatible with the Terminator 4 so cxgbe(4)
has been updated instead of writing a brand new driver.  T5 cards will
show up as cxl (short for cxlgb) ports attached to the t5nex bus driver.

Sponsored by:	Chelsio
 2013-03-30 02:26:20 +00:00
Navdeep Parhar
cc66a2c789 cxgbe(4): Report unusual out of band errors from the firmware. 
Obtained from:	Chelsio
MFC after:	5 days
 2013-02-26 21:25:17 +00:00
Navdeep Parhar
d78bd33fac cxgbe(4): Consider all the API versions of the interfaces exported by 
the firmware (instead of just the main firmware version) when evaluating
firmware compatibility.  Document the new "hw.cxgbe.fw_install" knob
being introduced here.

This should fix kern/173584 too.  Setting hw.cxgbe.fw_install=2 will
mostly do what was requested in the PR but it's a bit more intelligent
in that it won't reinstall the same firmware repeatedly if the knob is
left set.

PR:		kern/173584
MFC after:	5 days
 2013-02-26 20:35:54 +00:00
Navdeep Parhar
0abd31e2f7 cxgbe(4): Ask the card's firmware to pad up tiny CPLs by encapsulating 
them in a firmware message if it is able to do so.  This works out
better for one of the FIFOs in the chip.

MFC after:	5 days
 2013-02-26 00:27:27 +00:00
Navdeep Parhar
d938ff1d15 cxgbe(4): Update firmware to 1.8.4.0. 
MFC after:	5 days
 2013-02-26 00:10:28 +00:00
Navdeep Parhar
c1508f2bad cxgbe(4): Add sysctls to extract debug information from the chip: 
dev.t4nex.X.misc.cim_la         logic analyzer dump
dev.t4nex.X.misc.cim_qcfg       queue configuration
dev.t4nex.X.misc.cim_ibq_xxx    inbound queues
dev.t4nex.X.misc.cim_obq_xxx    outbound queues

Obtained from:	Chelsio
MFC after:	1 week
 2013-02-21 20:13:15 +00:00
Navdeep Parhar
b85313804d cxgbe(4): Assume that CSUM_TSO in the transmit path implies CSUM_IP and 
CSUM_TCP too.  They are all set explicitly by the kernel usually.

While here, fix an unrelated bug where hardware L4 checksum calculation
was accidentally disabled for some IPv6 packets.

Reported by:	alfred@
MFC after:	3 days
 2013-02-20 23:15:40 +00:00
Navdeep Parhar
bf3db9ebd8 Do not hold locks around hardware context reads. 
MFC after:	3 days
 2013-02-09 00:35:28 +00:00
Navdeep Parhar
0d8158d796 Busy-wait when cold. 
Reported by:	gnn, jhb
MFC after:	3 days
 2013-02-06 06:44:42 +00:00
Navdeep Parhar
c25f378771 Provide a statistic to track the number of drops in each of the port's 
txq's buf_ring.  The aggregate for all the queues of a port is already
provided in ifnet->if_snd.ifq_drops.

MFC after:	3 days.
 2013-01-29 20:59:22 +00:00
Navdeep Parhar
d92ed49c94 Install an extra hold on the newly allocated synq entry so that it 
cannot be freed while do_pass_accept_req is running.  This closes a race
where do_pass_establish on another CPU (the driver chose a different
queue for the new tid) expands the synq entry into a full PCB and then
releases the only hold on it, all while do_pass_accept_req is still
running.

MFC after:	3 days
 2013-01-26 03:23:28 +00:00
Navdeep Parhar
1cdc889916 Force the 404-BT card (4 x 1G) to use the "uwire" configuration file. 
MFC after:	3 days
 2013-01-26 03:10:28 +00:00
Navdeep Parhar
dfd1b3a02f Add a couple of missing error codes. Treat CPL_ERR_KEEPALV_NEG_ADVICE as 
negative advice and not a fatal error.

MFC after:	3 days
 2013-01-26 03:01:51 +00:00
Navdeep Parhar
7ca5c8632d cxgbe/tom: List IFCAP_TOE6 as supported now that all the required pieces 
are in place.  You still have to enable it explicitly, after loading the
t4_tom KLD.
 2013-01-26 01:06:27 +00:00
Navdeep Parhar
e13fe79820 cxgbe: Make the for_each macros safer to use by turning them 
into a single statement each.

Submitted by:	Christoph Mallon <christoph dot mallon at gmx dot de>
MFC after:	1 week
 2013-01-17 18:52:49 +00:00
Navdeep Parhar
601fce8879 cxgbe: Do a more thorough job in the CLEAR_STATS ioctl. 
MFC after:	3 days
 2013-01-16 23:49:55 +00:00
Navdeep Parhar
5bb17208d7 cxgbe: Fix the for_each_foo macros -- the last argument should not share 
its name with any member of struct sge.

MFC after:	3 days
 2013-01-16 23:48:55 +00:00