> Subject: [PATCH v2] i40e: workaround for XL710 performance > > On XL710, performance number is far from the expectation on recent firmware > versions, if promiscuous mode is disabled, or promiscuous mode is enabled and > port MAC address is equal to the packet destination MAC address. The fix for > this issue may not be integrated in the following firmware version. So the > workaround in software driver is needed. For XL710, it needs to modify the > initial values of 3 internal only registers, which are the same as X710. > Note that the values for X710 and XL710 registers could be different, and the > workaround can be removed when it is fixed in firmware in the future. > > Signed-off-by: Helin Zhang <helin.zhang at intel.com> Acked-by: Jingjing Wu <jingjing.wu at intel.com>
> --- > lib/librte_pmd_i40e/i40e_ethdev.c | 44 > ++++++++++++++++++++++++++------------- > 1 file changed, 30 insertions(+), 14 deletions(-) > > v2 changes: > * Supported modifying the address of 0x269FBC of XL710 during > initialization, to fix the minor performance gap to expectation. > That means XL710 can meet the performance expectation with this > workaround. Applied. Thanks to Neil's for his reviewing efforts on v1 version! Thanks, Helin
