> -----Original Message----- > From: Morten Brørup <[email protected]> > Sent: Tuesday, December 21, 2021 16:58 > To: Wang, Haiyue <[email protected]>; [email protected]; Lu, > Wenzhuo <[email protected]>; > Changchun Ouyang <[email protected]>; Zhang, Helin > <[email protected]> > Cc: [email protected]; Wang, Wen <[email protected]>; [email protected] > Subject: RE: [PATCH v2 3/7] net/ixgbe: Check that SFF-8472 soft rate select > is supported before write > > > From: Wang, Haiyue [mailto:[email protected]] > > Sent: Tuesday, 21 December 2021 02.15 > > > > > -----Original Message----- > > > From: Stephen Douthit <[email protected]> > > > Sent: Tuesday, December 21, 2021 05:33 > > > > > > On 12/20/21 02:53, Wang, Haiyue wrote: > > > >> -----Original Message----- > > > >> From: Stephen Douthit <[email protected]> > > > >> Sent: Tuesday, December 7, 2021 06:19 > > > >> > > > >> Make sure an SFP is really a SFF-8472 device that supports the > > optional > > > >> soft rate select feature before just blindly poking those I2C > > registers. > > > >> > > > >> Skip all I2C traffic if we know there's no SFP. > > > >> > > > >> Fixes: f3430431aba ("ixgbe/base: add SFP+ dual-speed support") > > > >> Cc: [email protected] > > > >> > > > >> Signed-off-by: Stephen Douthit <[email protected]> > > > >> --- > > > >
> > > > Normally, DPDK keeps sync with this kind of release. > > > > Working with the Linux kernel mainline drivers is good advice. > > The official Intel Linux drivers seem to be ages behind the Kernel mainline, > and they don't fully No, the "ixgbe" drivers is updated on "7/8/2021". https://www.intel.com/content/www/us/en/download/14302/14687/intel-network-adapter-driver-for-pcie-intel-10-gigabit-ethernet-network-connections-under-linux.html > support the C3000 NICs, so don’t waste any time there! We recently tried > using the official Intel > Linux drivers for a C3338 based project (using Kernel 3.19 in 32 bit mode > with x2APIC disabled), and > they didn't work at all. We ended up backporting the necessary changes from > the kernel mainline > instead. From Steve's response: ME: "I guess this is just in C3000 reference board SDK ?" Steve: "It's the board covered by Intel Doc # 574437." I check the doc "Last Updated: 11/07/2018".... It should be some kind of customer release, that's why they are not in the official *open source* Linux driver, so keep your patch set as private.
