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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2013-01-23 08:59:29 (GMT)
committerJohannes Berg <johannes.berg@intel.com>2013-01-24 12:36:32 (GMT)
commitd13f1862c0ad892eded4cdf633ab32bc993cc1d9 (patch)
tree02d0068c6b5df5fcaea7bbbb93706959845ed974 /drivers/net
parent128e63ef077ef7ccd9c5779bbdce566641714666 (diff)
downloadlinux-d13f1862c0ad892eded4cdf633ab32bc993cc1d9.tar.xz
iwlwifi: provide RX page order
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-trans.h6
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/rx.c1
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index fca5fec..ce878b9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -274,6 +274,7 @@ struct iwl_rx_cmd_buffer {
struct page *_page;
int _offset;
bool _page_stolen;
+ u32 _rx_page_order;
unsigned int truesize;
};
@@ -294,6 +295,11 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
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 IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index b694d13..a2f3517 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -594,6 +594,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans,
int index, cmd_index, err, len;
struct iwl_rx_cmd_buffer rxcb = {
._offset = offset,
+ ._rx_page_order = trans_pcie->rx_page_order,
._page = rxb->page,
._page_stolen = false,
.truesize = max_len,