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| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2009-10-09 13:20:28 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-10-27 16:47:59 -0400 |
| commit | 88804e2b33b6ab3974ff2330cd045ca53d6750c5 (patch) | |
| tree | 1e8d7f27f59774c159e80ad0a9f3bfd6100a525f /drivers/net/wireless/iwlwifi/iwl-core.c | |
| parent | 008a9e3e3c37abd7f56d2478fe92d5874de3630a (diff) | |
| download | kernel_samsung_smdk4412-88804e2b33b6ab3974ff2330cd045ca53d6750c5.zip kernel_samsung_smdk4412-88804e2b33b6ab3974ff2330cd045ca53d6750c5.tar.gz kernel_samsung_smdk4412-88804e2b33b6ab3974ff2330cd045ca53d6750c5.tar.bz2 | |
iwlwifi: dynamic allocate tx queue structure
Instead of always allocate the max number of tx queue structure,
use dynamic allocation based on the number of queues in device
configuration. With these changes, device does not have to allocate more
memory than the h/w can support.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index dc7fd87..c40c7e2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2826,6 +2826,27 @@ void iwl_mac_reset_tsf(struct ieee80211_hw *hw) } EXPORT_SYMBOL(iwl_mac_reset_tsf); +int iwl_alloc_txq_mem(struct iwl_priv *priv) +{ + if (!priv->txq) + priv->txq = kzalloc( + sizeof(struct iwl_tx_queue) * priv->cfg->num_of_queues, + GFP_KERNEL); + if (!priv->txq) { + IWL_ERR(priv, "Not enough memory for txq \n"); + return -ENOMEM; + } + return 0; +} +EXPORT_SYMBOL(iwl_alloc_txq_mem); + +void iwl_free_txq_mem(struct iwl_priv *priv) +{ + kfree(priv->txq); + priv->txq = NULL; +} +EXPORT_SYMBOL(iwl_free_txq_mem); + #ifdef CONFIG_IWLWIFI_DEBUGFS #define IWL_TRAFFIC_DUMP_SIZE (IWL_TRAFFIC_ENTRY_SIZE * IWL_TRAFFIC_ENTRIES) |