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 .@...@.......... > 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 .@...@.......... > 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.yi...@intel.com>
