Thanks for the patch, applied on master and branch-2.5 On 11/02/2016 17:36, "dev on behalf of Flavio Leitner" <dev-boun...@openvswitch.org on behalf of f...@sysclose.org> wrote:
>On Tue, 9 Feb 2016 14:48:47 +0000 >Ian Stokes <ian.sto...@intel.com> wrote: > >> DPDK 2.2 removes restrictions related to maximum number of TX >> queues for XL710 devices. Update documentation to reflect these >> changes. >> >> Signed-off-by: Ian Stokes <ian.sto...@intel.com> >> --- >> INSTALL.DPDK.md | 22 +++++++++++----------- >> 1 files changed, 11 insertions(+), 11 deletions(-) >> >> diff --git a/INSTALL.DPDK.md b/INSTALL.DPDK.md >> index d892788..b0659c9 100644 >> --- a/INSTALL.DPDK.md >> +++ b/INSTALL.DPDK.md >> @@ -898,17 +898,17 @@ Restrictions: >> this with smaller page sizes. >> >> Platform and Network Interface: >> - - Currently it is not possible to use an Intel XL710 Network >>Interface as a >> - DPDK port type on a platform with more than 64 logical cores. This >>is >> - related to how DPDK reports the number of TX queues that may be >>used by >> - a DPDK application with an XL710. The maximum number of TX queues >>supported >> - by a DPDK application for an XL710 is 64. If a user attempts to >>add an >> - XL710 interface as a DPDK port type to a system as described above >>the >> - port addition will fail as OVS will attempt to initialize a TX >>queue greater >> - than 64. This issue is expected to be resolved in a future DPDK >>release. >> - As a workaround a user can disable hyper-threading to reduce the >>overall >> - core count of the system to be less than or equal to 64 when using >>an XL710 >> - interface with DPDK. >> + - By default with DPDK 2.2, a maximum of 64 TX queues can be used >>with an >> + Intel XL710 Network Interface on a platform with more than 64 >>logical >> + cores. If a user attempts to add an XL710 interface as a DPDK port >>type to >> + a system as described above, an error will be reported that >>initialization >> + failed for the 65th queue. OVS will then roll back to the previous >> + successful queue initialization and use that value as the total >>number of >> + TX queues available with queue locking. If a user wishes to use >>more than >> + 64 queues and avoid locking, then the >> + `CONFIG_RTE_LIBRTE_I40E_QUEUE_NUM_PER_PF` config parameter in DPDK >>must be >> + increased to the desired number of queues. Both DPDK and OVS must >>be >> + recompiled for this change to take effect. >> >> vHost and QEMU v2.4.0+: >> - For versions of QEMU v2.4.0 and later, it is currently not >>possible to > >Could you please keep a changelog section after the diffstat? >It would help to understand what has changed since the initial proposal. > >Based on current dpdk_eth_dev_queue_setup() and dpdk commit >705b57f82054431ed681cc899129e7c70fb36138 (i40e: enlarge the number of >supported queues) > >Acked-by: Flavio Leitner <f...@sysclose.org> > >Also needs to go in branch-2.5. > >-- >fbl > >_______________________________________________ >dev mailing list >dev@openvswitch.org >http://openvswitch.org/mailman/listinfo/dev _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
