diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2019-10-02 11:33:46 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2019-12-23 11:54:31 +0200 |
| commit | 80084e3591390367f56161a48b6818b3a3fd64df (patch) | |
| tree | aa513fd0c833ef63302ff9104173ea49a637f158 /drivers/net/wireless/intel/iwlwifi/pcie/trans.c | |
| parent | c042f0c77f3df39ac4d530f5720ed64ff2f38375 (diff) | |
iwlwifi: pcie: map only used part of RX buffers
We don't need to map *everything* of the RX buffers, we won't use
that much, map only the part we're going to use. This save some
IOMMU space (if applicable and it can deal with that) and also
prepares a bit for mapping partial pages for 2K buffers later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index af9bc6b64542..d7617eb52c02 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1915,6 +1915,8 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, trans_pcie->rx_buf_size = trans_cfg->rx_buf_size; trans_pcie->rx_page_order = iwl_trans_get_rb_size_order(trans_pcie->rx_buf_size); + trans_pcie->rx_buf_bytes = + iwl_trans_get_rb_size(trans_pcie->rx_buf_size); trans_pcie->bc_table_dword = trans_cfg->bc_table_dword; trans_pcie->scd_set_active = trans_cfg->scd_set_active; @@ -2933,7 +2935,7 @@ static u32 iwl_trans_pcie_dump_rbs(struct iwl_trans *trans, int allocated_rb_nums) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - int max_len = PAGE_SIZE << trans_pcie->rx_page_order; + int max_len = trans_pcie->rx_buf_bytes; /* Dump RBs is supported only for pre-9000 devices (1 queue) */ struct iwl_rxq *rxq = &trans_pcie->rxq[0]; u32 i, r, j, rb_len = 0; |