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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB3946.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 88eec490-4a31-478b-6b05-08daeeef1621 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Jan 2023 07:33:06.1604 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 5003xBpwUbdeL4adkVVQ/vStdiIr+kl255Te27UCYVV+Gv2ZERYVPdV8u6yb26UbTBO5XnrGo4kGYNW9/tpf8g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR11MB6833 X-OriginatorOrg: intel.com X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org >-----Original Message----- >From: Morten Br=F8rup >Sent: Thursday, January 5, 2023 2:57 PM >To: He, ShiyangX ; dev@dpdk.org >Cc: Zhou, YidingX ; stable@dpdk.org; Yang, Qiming >; Wu, Wenjun1 ; Remy >Horton >Subject: RE: [PATCH] net/ixgbe: fix ixgbe firmware version get > >> From: He, ShiyangX [mailto:shiyangx.he@intel.com] >> Sent: Thursday, 5 January 2023 03.52 >> >> >From: Morten Br=F8rup >> >Sent: Wednesday, January 4, 2023 6:19 PM >> > >> >> From: Shiyang He [mailto:shiyangx.he@intel.com] >> >> Sent: Wednesday, 4 January 2023 10.52 >> >> >> >> The firmware version obtained by dpdk-ethtool is inconsistent with >> >> that obtained by linux-ethtool. >> >> >> >> This commit fixes the issue. >> >> >> >> Fixes: 8b0b56574269 ("net/ixgbe: add firmware version get") >> >> Cc: stable@dpdk.org >> >> >> >> Signed-off-by: Shiyang He >> >> --- >> >> drivers/net/ixgbe/ixgbe_ethdev.c | 2 +- >> >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> >> >> diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c >> >> b/drivers/net/ixgbe/ixgbe_ethdev.c >> >> index ae9f65b334..012096021e 100644 >> >> --- a/drivers/net/ixgbe/ixgbe_ethdev.c >> >> +++ b/drivers/net/ixgbe/ixgbe_ethdev.c >> >> @@ -3859,7 +3859,7 @@ ixgbe_fw_version_get(struct rte_eth_dev >*dev, >> >> char *fw_version, size_t fw_size) >> >> ixgbe_read_eeprom(hw, 0x2e, &eeprom_verh); >> >> ixgbe_read_eeprom(hw, 0x2d, &eeprom_verl); >> >> >> >> - etrack_id =3D (eeprom_verh << 16) | eeprom_verl; >> >> + etrack_id =3D (eeprom_verl << 16) | eeprom_verh; >> >> ret =3D snprintf(fw_version, fw_size, "0x%08x", etrack_id); >> > >> >This looks wrong, assuming the high-word in 0x2e and the low-word in >> 0x2d. >> > >> >Perhaps the linux ethtool needs to be fixed instead? >> > >> >I don't think DPDK should aim for "bug compatibility" with Linux. :-( >> >> After following your suggestions, I read the driver source code again, >> which is implemented as the solution. I will send out V2 patch soon. > >I suppose what you are looking for is here: >https://elixir.bootlin.com/linux/v6.1.3/source/drivers/net/ethernet/intel/= ixg >be/ixgbe_common.c#L4106 Thanks so much! The next patch will refer to this method!