This patch updates the i40e guide with new device parameter support-multi-driver.
Signed-off-by: Beilei Xing <beilei.x...@intel.com> Cc: sta...@dpdk.org --- doc/guides/nics/i40e.rst | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/guides/nics/i40e.rst b/doc/guides/nics/i40e.rst index 166f447..a83af6d 100644 --- a/doc/guides/nics/i40e.rst +++ b/doc/guides/nics/i40e.rst @@ -136,6 +136,17 @@ Runtime Config Options 1, 2, 4, 8 or 16. If no such parameter is configured, the number of queues per VF is 4 by default. +- ``Support multiple driver`` (default ``disable``) + + There was a multiple driver support issue during use of 700 series Ethernet + Adapter with both Linux kernel and DPDK PMD. To fix this issue, ``devargs`` + parameter ``support-multi-driver`` is introduced, for example:: + + -w 84:00.0,support-multi-driver=1 + + With the above configuration, DPDK PMD will not change global registers, and + will switch PF interrupt from IntN to Int0 to avoid interrupt conflict between + DPDK and Linux Kernel. Driver compilation and testing ------------------------------ -- 2.5.5
