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authorSara Sharon <sara.sharon@intel.com>2015-12-23 15:10:03 +0200
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2016-01-31 12:53:43 +0200
commit96a6497bc3ed1c19d877e5f4f95f2cfa27448abe (patch)
treec4123179c85835a5caa1bae991f21990dd1909a3 /drivers/net/wireless/intel/iwlwifi/Kconfig
parent7848505416be4e96af14c3387775622d26a13146 (diff)
downloadlinux-96a6497bc3ed1c19d877e5f4f95f2cfa27448abe.tar.bz2
iwlwifi: pcie: add 9000 series multi queue rx DMA support
The 9000 series introduces several changes in the device DMA operation. As the device now supports multi-queue rx, several DMA channels should be configured. The flows of providing the device with the allocated RBDs now changes as well - the device maintains a separate table of used and free table. The hardware may use the free table to feed RBDs to any queue. This requires maintaing a shared table to map returned RBDs to the original RXB - for that purpose the VID is introduced - an internal identifier of the RB placed in the lower 12 bits and returned by HW in the used data. Another change is the support of 64 bit DMA address. Signed-off-by: Sara Sharon <sara.sharon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/Kconfig')
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