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iwlwifi: provide RX page order

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When the pages are to be used by front-end, it may need
to know the page order, provide it.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach
2013-01-23 10:59:29 +02:00
committed by Johannes Berg
parent 128e63ef07
commit d13f1862c0
2 changed files with 7 additions and 0 deletions
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6
drivers/net/wireless/iwlwifi/iwl-trans.h
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@@ -274,6 +274,7 @@ struct iwl_rx_cmd_buffer {
struct page *_page; struct page *_page;
int _offset; int _offset;
bool _page_stolen; bool _page_stolen;
u32 _rx_page_order;
unsigned int truesize; unsigned int truesize;
}; };
@@ -294,6 +295,11 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
return r->_page; return r->_page;
} }
static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r)
{
__free_pages(r->_page, r->_rx_page_order);
}
#define MAX_NO_RECLAIM_CMDS 6 #define MAX_NO_RECLAIM_CMDS 6
#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) #define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))

1
drivers/net/wireless/iwlwifi/pcie/rx.c
View File

@@ -594,6 +594,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans,
int index, cmd_index, err, len; int index, cmd_index, err, len;
struct iwl_rx_cmd_buffer rxcb = { struct iwl_rx_cmd_buffer rxcb = {
._offset = offset, ._offset = offset,
._rx_page_order = trans_pcie->rx_page_order,
._page = rxb->page, ._page = rxb->page,
._page_stolen = false, ._page_stolen = false,
.truesize = max_len, .truesize = max_len,