Maya Erez <merez@xxxxxxxxxxxxxx> writes: > From: Gidon Studinski <gidons@xxxxxxxxxxxxxx> > > Enhanced DMA design includes the following rings: > - Single RX descriptor ring is used for all VIFs > - Multiple RX status rings are supported, to allow RSS > - TX descriptor ring is allocated per connection > - A single TX status ring is used for all TX descriptor rings > > This patch initializes and frees the above descriptor and > status rings. > > The RX SKBs are handled by a new entity of RX buffers manager, > which handles RX buffers, each one points to an allocated SKB. > During Rx completion processing, the driver extracts a buffer > ID which is used as an index to the buffers array. > After the SKB is freed the buffer is moved from the 'active' > list to the 'free' list, indicating it can be used for another > descriptor. During Rx refill, SKBs are allocated and attached > to 'free' buffers. Those buffers are attached to new descriptors > and moved to the 'active' list. > > Signed-off-by: Gidon Studinski <gidons@xxxxxxxxxxxxxx> > Signed-off-by: Maya Erez <merez@xxxxxxxxxxxxxx> [...] > --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c > +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c > @@ -32,6 +32,10 @@ > module_param(ftm_mode, bool, 0444); > MODULE_PARM_DESC(ftm_mode, " Set factory test mode, default - false"); > > +static bool use_enhanced_dma_hw = true; > +module_param(use_enhanced_dma_hw, bool, 0444); > +MODULE_PARM_DESC(use_enhanced_dma_hw, " Use enhanced or legacy DMA HW. Default: true when available"); Similarly as with debugfs, please document in the commit log any changes in module parameters. -- Kalle Valo
