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239 Commits

Author SHA1 Message Date
Alex Forencich
fa75b47b7b modules/mqnic: Convert more relatively frequent info-level printk calls to debug-level so they can be selectively enabled via dynamic debug 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-07-07 01:10:49 -07:00
Joachim Foerster
1d729817a6 modules/mqnic: Turn "TX ring ... full ..." message into netdev-related debug message 
To not overwhelm any logging daemon. Full TX queues can be quite common
depending on a system's context and capabilities. Mostly all the details are not
required anyway in such cases.

To enable such debug messages and have their text turn up in dmesg and logging
daemons, the mqnic module has to be compiled with CPP symbol DEBUG being (`make
DEBUG=yes`) defined, or the kernel in use has to support "Dynamic Debug" [1]. In
the latter case all such debug messages in module mqnic can be enabled with:

echo 'module mqnic +pflmt' | sudo tee /sys/kernel/debug/dynamic_debug/control

To enable just this specific messages, based on its (partial) format:

echo 'format "TX ring %d full" +pflmt' | sudo tee /sys/kernel/debug/dynamic_debug/control

[1] https://www.kernel.org/doc/html/latest/admin-guide/dynamic-debug-howto.html

Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
 2023-07-07 00:30:52 -07:00
Joachim Foerster
6a975f3433 modules/mqnic/Makefile: Define CPP symbol DEBUG when environment variable DEBUG is provided 
Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
 2023-07-07 00:30:52 -07:00
Joachim Foerster
51d5712982 modules/mqnic: Introduce proper error path on failing to allocate RX buffers 
This basically allows the "refilling" of RX buffers to fail. A fail to allocate
RX buffers can occur on bringing a network device up or when changing the number
of RX channels at run-time through `ethtool -L <ndev> rx <num>`.

Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
 2023-07-07 00:30:52 -07:00
Alex Forencich
4d2c2071cc modules/mqnic: Fix kernel version ifdef for netif_napi_add 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-07-03 22:54:34 -07:00
Alex Forencich
82df10a356 modules/mqnic: Add missing priv reference 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-27 00:04:09 -07:00
Ulrich Langenbach
21f5a758c9 modules/mqnic: use unsigned short for I2C addresses 
the i2c_client defines i2c addresses as unsigned short so we follow
this style
 2023-06-26 12:10:27 -07:00
Ulrich Langenbach
b1f14659d9 modules/mqnic: sfp module eeprom i2c address adjustment for full access 
* the optical diagnostics data is provided by the SFP modules
   using another I2C address, which must be set via the I2C client
 2023-06-26 12:10:27 -07:00
Ulrich Langenbach
6bd8ae031f modules/mqnic: fix SFP EEPROM readout to support optical module diagnosis 
* fix offset check for allowing an offset of exactly 256 Bytes
* fix allowing the I2C address of 0x51 to access the optical SFP modules
  diagnosis information, see SFF8472 rev 12.4 p. 8
 2023-06-26 12:10:27 -07:00
Alex Forencich
448fa8eb4c Use SPDX 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-26 11:44:57 -07:00
Alex Forencich
6ca5fbfd82 Merge PR #153 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-25 18:51:12 -07:00
Joachim Foerster
12a90c6b71 modules/mqnic: Export existing dropped_packets counter per TX ring to netdev statistics 
Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
 2023-06-22 11:19:11 +02:00
Alex Forencich
902df50c96 modules/mqnic: Add RCB to debug info 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-12 23:52:52 -07:00
Alex Forencich
71c6f3167c modules/mqnic: Request I2C mux kernel module when necessary 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-12 15:36:43 -07:00
Alex Forencich
2c8b1d0e29 fpga/mqnic/520N_MX: Add 25G mqnic design for BittWare 520N-MX 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-12 15:36:26 -07:00
Alex Forencich
9f808c65b2 fpga/mqnic/DK_DEV_1SMX_H_A: Add virtual I2C switch to control modsel pins 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-11 02:05:37 -07:00
Alex Forencich
5099e4a3d5 fpga/mqnic/DK_DEV_AGF014EA: Add virtual I2C switch to control modsel pins 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-11 00:37:50 -07:00
Alex Forencich
a3e7cc4c77 modules/mqnic: Update board config in driver for ADM-PCIE-9V3, Nexus K35P-S, and Nexus K3P-S to support optical module communication 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-10 20:26:33 -07:00
Alex Forencich
397ea57cbd modules/mqnic: software_node struct must be static, just set I2C mux props for all clients instead of attempting to do something dynamic 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-10 20:14:29 -07:00
Alex Forencich
f553be3b65 modules/mqnic: Assert reset during probe of platform device, if connected 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-06-01 23:17:54 -07:00
Alex Forencich
aef62af18c modules/mqnic: Associate messages with netdev 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 22:24:19 -07:00
Alex Forencich
335c731ef0 modules/mqnic: Implement ethtool reg dump API 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 17:44:14 -07:00
Alex Forencich
e76bc8128c modules/mqnic: Implement ethtool rxfh API 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 16:54:37 -07:00
Alex Forencich
32db67b066 modules/mqnic: Improve indirection table handling 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 16:50:59 -07:00
Alex Forencich
eecaef6e6f modules/mqnic: Add some additional range enforcement 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 16:49:28 -07:00
Alex Forencich
7cd40a8e1e modules/mqnic: Minor cleanup 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 16:48:26 -07:00
Alex Forencich
eaceb0bfc7 modules/mqnic: More sensible default queue counts 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 01:38:23 -07:00
Alex Forencich
8faefe19cd modules/mqnic: Only allocate netdev queue resources for what is supported in HW 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 01:35:46 -07:00
Alex Forencich
a6da3a41cb modules/mqnic: Implement ethtool channels API 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 01:35:01 -07:00
Alex Forencich
3302c1f832 modules/mqnic: Implement ethtool ringparam API 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 01:22:12 -07:00
Alex Forencich
21b8d164cf modules/mqnic: Make mqnic_start_port/mqnic_stop_port non-static so they can be called from mqnic_ethtool 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-03 01:20:07 -07:00
Alex Forencich
3c995dc8e0 Implement dynamic queue allocation in testbench and driver 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-02 21:23:30 -07:00
Alex Forencich
d82f37b3b4 modules/mqnic: Rework teardown sequence 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-02 01:19:30 -07:00
Alex Forencich
9834f8365c Rework resource management in testbenches, driver, and utils 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-05-01 22:04:43 -07:00
Alex Forencich
1c7ae0ee73 modules/mqnic: Return pointers directly and use ERR_PTR during object creation 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-30 21:57:32 -07:00
Alex Forencich
66f5b9fcc1 Clean up naming in testbenches, driver, and utils 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-30 21:48:34 -07:00
Alex Forencich
01680f2ff5 modules/mqnic: Implement I2C interface for fb4CGg3@VU09P 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-30 13:57:29 -07:00
Alex Forencich
3d8bbc4b1c modules/mqnic: Add I2C code for Intel dev kits 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-22 21:58:56 -07:00
Alex Forencich
d1546c0f8e modules/mqnic: Update device IDs 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-22 21:56:08 -07:00
Alex Forencich
bb158d568f Add RX indirection table 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-10 15:05:32 -07:00
Alex Forencich
30379cd8a3 Add phase tag to events and completions to avoid queue pointer reads 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-06 20:43:13 -07:00
Alex Forencich
a8feaf2383 Advance TX/RX queue pointers based on completion records instead of MMIO reads 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-04 22:12:32 -07:00
Alex Forencich
1a8adb646f modules/mqnic: Add ifdefs for kernel API changes related to netif_napi_add/netif_tx_napi_add 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2023-04-04 01:15:50 -07:00
Alex Forencich
66f305c46c modules/mqnic: Added helper methods for converting cycle counts to/from time 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-11-24 01:41:31 -08:00
Alex Forencich
979b7b6030 modules/mqnic: Add statistics counter read support to mqnic kernel module 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-11-23 17:49:38 -08:00
Alex Forencich
051dca3601 modules/mqnic: Add clock info support to mqnic kernel module 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-11-23 17:49:14 -08:00
Alex Forencich
d3942da875 fpga: Add clock info register block 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-10-15 19:45:02 -07:00
Alex Forencich
c5efd8ff0a modules/mqnic: Clean up ring allocation error handling 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-08-15 23:50:36 -07:00
Alex Forencich
693809ab97 modules/mqnic: Use DMA_TO/FROM_DEVICE macros instead of the PCI versions 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-08-06 01:27:19 -07:00
Alex Forencich
03a49d7bc6 Add 25G mqnic design for DE10-Agilex 
Signed-off-by: Alex Forencich <alex@alexforencich.com>
 2022-07-19 23:43:22 -07:00