On Fri, 14 Jun 2024 05:58:17 -0700 Anil Samal wrote: > To debug link issues in the field, serdes Tx/Rx equalizer values > help to determine the health of serdes lane. > > Extend 'ethtool -d' option to dump serdes Tx/Rx equalizer. > The following list of equalizer param is supported > a. rx_equalization_pre2 > b. rx_equalization_pre1 > c. rx_equalization_post1 > d. rx_equalization_bflf > e. rx_equalization_bfhf > f. rx_equalization_drate > g. tx_equalization_pre1 > h. tx_equalization_pre3 > i. tx_equalization_atten > j. tx_equalization_post1 > k. tx_equalization_pre2
I'd be tempted to create a dedicated way to dump vendor specific signal quality indicators (both for Ethernet and PCIe). Feels little cleaner than appending to a flat mixed-purpose dump. But either way is fine by me, TBH. Much better than vendor tools poking into the BAR...
