[dpdk-dev] [PATCH v7 0/5] get the information and data of EEPROM

[Ferruh Yigit]

On 4/25/2018 3:24 PM, Ferruh Yigit wrote:
> On 4/25/2018 3:02 PM, Zijie Pan wrote:
>> Add APIs to read information from the DPDK applictions.
>> It can be used to dump the EEPROM of plugin modules (SFP+, QSFP, etc.).
>>
>> Two APIs are introduced to access eeprom:
>> - rte_eth_dev_get_module_info
>> - rte_eth_dev_get_module_eeprom
>>
>> Applications based on DPDK can dump eeprom by calling those two APIs.
>>
>> Then, each PMD has to implement these callbacks for e1000, ixgbe, i40e, etc.
>>
>> Patch for example/ethtool is used to test this function. It can get the raw 
>> data of eeprom. See below how both DPDK applications (ethtool) and Linux
>> kernel are dumping the same eeprom of a same NIC.
>>
>> - Start example/ethtool:
>>     ./examples/ethtool/ethtool-app/x86_64-native-linuxapp-gcc/ethtool -c 0xf -n 4 --socket-mem 1024,0 -- -i
>> EthApp> drvinfo
>> Port 0 driver: net_ixgbe (ver: DPDK 18.05.0-rc0)
>> firmware-version: 0x18b30001
>> bus-info: 0000:04:00.0
>>
>> EthApp> module-eeprom
>>  [UINT16]: module-eeprom <port_id> <filename>
>>      Dump plug-in module EEPROM to file
>>
>> EthApp> module-eeprom 0 my-module-eeprom.bin
>> Total plug-in module EEPROM length: 512 bytes
>>
>> EthApp> quit
>>
>> - HexDump of this eeprom file:
>> # xxd my-module-eeprom.bin
>> 0000000: 0304 0710 0000 0100 0000 0006 6702 0000  ............g...
>> 0000010: 0803 001e 4f45 4d20 2020 2020 2020 2020  ....OEM
>> 0000020: 2020 2020 0000 1b21 5346 502d 3130 472d      ...!SFP-10G-
>> 0000030: 5352 2d49 5420 2020 4120 2020 0352 0024  SR-IT   A   .R.$
>> 0000040: 003a 0000 5751 3136 3034 3132 4131 3135  .:..WQ160412A115
>> 0000050: 2020 2020 3135 3136 3130 2020 68fa 033b      151610  h..;
>> 0000060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 0000070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 0000080: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 0000090: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000a0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000b0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000c0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000d0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000e0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000f0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 0000100: 5000 fb00 4b00 0000 8ca0 7530 88b8 7918  P...K.....u0..y.
>> 0000110: 1d4c 01f4 1b58 03e8 3de9 03e8 2710 04eb  .L...X..=...'...
>> 0000120: 2710 0064 1f07 007e 0000 0000 0000 0000  '..d...~........
>> 0000130: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 0000140: 0000 0000 3f80 0000 0000 0000 0100 0000  ....?...........
>> 0000150: 0100 0000 0100 0000 0100 0000 0000 002d  ...............-
>> 0000160: 2c59 810a 13c7 1752 0001 0000 0000 0200  ,Y.....R........
>> 0000170: 0040 0000 0040 0000 0000 0000 0000 0000  . at ...@..........
>> 0000180: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 0000190: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001a0: ffff faff ffff ffff ffff ffff ffff ffff  ................
>> 00001b0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001c0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001d0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001e0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001f0: ffff ffff ffff ffff 0003 0100 0000 0000  ................
>>
>> - Rerun same dump using Linux's kernel ethtool.
>>
>> # ./install/sbin/dpdk-devbind --bind=ixgbe 04:00.0
>> # ethtool -m p2p1 raw on > meeprom-kernel.bin
>>
>> # xxd meeprom-kernel.bin
>> 0000000: 0304 0710 0000 0100 0000 0006 6702 0000  ............g...
>> 0000010: 0803 001e 4f45 4d20 2020 2020 2020 2020  ....OEM
>> 0000020: 2020 2020 0000 1b21 5346 502d 3130 472d      ...!SFP-10G-
>> 0000030: 5352 2d49 5420 2020 4120 2020 0352 0024  SR-IT   A   .R.$
>> 0000040: 003a 0000 5751 3136 3034 3132 4131 3135  .:..WQ160412A115
>> 0000050: 2020 2020 3135 3136 3130 2020 68fa 033b      151610  h..;
>> 0000060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 0000070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 0000080: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 0000090: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000a0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000b0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000c0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000d0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000e0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00000f0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 0000100: 5000 fb00 4b00 0000 8ca0 7530 88b8 7918  P...K.....u0..y.
>> 0000110: 1d4c 01f4 1b58 03e8 3de9 03e8 2710 04eb  .L...X..=...'...
>> 0000120: 2710 0064 1f07 007e 0000 0000 0000 0000  '..d...~........
>> 0000130: 0000 0000 0000 0000 0000 0000 0000 0000  ................
>> 0000140: 0000 0000 3f80 0000 0000 0000 0100 0000  ....?...........
>> 0000150: 0100 0000 0100 0000 0100 0000 0000 002d  ...............-
>> 0000160: 2899 8146 0058 0001 0001 0000 0000 8200  (..F.X..........
>> 0000170: 0540 0000 0540 0000 0000 0000 0000 0000  . at ...@..........
>> 0000180: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 0000190: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001a0: ffff faff ffff ffff ffff ffff ffff ffff  ................
>> 00001b0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001c0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001d0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001e0: ffff ffff ffff ffff ffff ffff ffff ffff  ................
>> 00001f0: ffff ffff ffff ffff 0003 0100 0000 0000  ................
>>
>> Both DPDK's my-module-eeprom.bin and Kernel's meeprom-kernel.bin
>> are the same.
>>
>> v2 changes:
>>  - Fix typo in features.rst.
>>  - Fix checkpatch warnings regarding long lines.
>>  - Update function pcmd_module_eeprom_callback().
>>
>> v3 changes:
>>  - fix compilation when dpdk is compiled with shared libs.
>>
>> v4 changes:
>>  - add RTE_ prefix for the macros defined in rte_dev_info.h.
>>  - mark the new APIs as experimental.
>>  - some other minor fixes.
>>
>> v5 changes:
>>  - insert the new APIs in alphabetical order in rte_ethdev_version.map.
>>
>> v6 changes:
>>  - rename rte_dev_module_info as rte_eth_dev_module_info.
>>
>> v7 changes:
>>  - add module EEPROM dump feature in default.ini
>>  - add module EEPROM dump feature in .ini files for the three PMDs.
>>
>> Zijie Pan (5):
>>   ethdev: add access to eeprom
>>   examples/ethtool: add a new command module-eeprom
>>   net/ixgbe: add module EEPROM callbacks for ixgbe
>>   net/e1000: add module EEPROM callbacks for e1000
>>   net/i40e: add module EEPROM callbacks for i40e
> 
> For series,
> Reviewed-by: Ferruh Yigit <ferruh.yigit at intel.com>

Series applied to dpdk-next-net/master, thanks.