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authorJohannes Berg2015-04-17 16:38:31 +0200
committerEmmanuel Grumbach2015-08-04 21:29:40 +0300
commit206eea7833859f9e39c8a7439196743a2d8dfc9b (patch)
tree6762505473fab68567957411c899c50fd77a5bdc /drivers/net/wireless/iwlwifi/pcie/trans.c
parent17564dde6024fcfe74cc0512e7837175aa5283d9 (diff)
iwlwifi: pcie: support frag SKBs
Allow frag SKBs in PCIe and advertise the maximum number of frags to the opmode. As a fallback. linearize the SKB if it exceeds the maximum number of fragments. This allows using the hardware better (filling more TBs) and should improve performance when used by the opmode. Also adjust tracing to be able to deal with this. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/trans.c')
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 9ebdd8009717..fb55810f5aae 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -2627,6 +2627,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
if (!trans)
return ERR_PTR(-ENOMEM);
+ trans->max_skb_frags = IWL_PCIE_MAX_FRAGS;
+
trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
trans_pcie->trans = trans;