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iwlwifi: Bug fix, CCMP with HW encryption with AGG

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This patch fixes a bug in security. Enables CCMP HW encryption with
aggregations.

Signed-off-by: Max Stepanov <max.stepanov@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Max Stepanov 2008-03-12 16:58:48 -07:00 committed by John W. Linville
parent 56ca84c61b
commit 8236e183fc
2 changed files with 6 additions and 0 deletions
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4
drivers/net/wireless/iwlwifi/iwl-4965-commands.h
View File

@ -1045,6 +1045,10 @@ struct iwl4965_rx_mpdu_res_start {
* MAC header) to DWORD boundary. */
#define TX_CMD_FLG_MH_PAD_MSK __constant_cpu_to_le32(1 << 20)
/* accelerate aggregation support
* 0 - no CCMP encryption; 1 - CCMP encryption */
#define TX_CMD_FLG_AGG_CCMP_MSK __constant_cpu_to_le32(1 << 22)
/* HCCA-AP - disable duration overwriting. */
#define TX_CMD_FLG_DUR_MSK __constant_cpu_to_le32(1 << 25)

2
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -2427,6 +2427,8 @@ static void iwl4965_build_tx_cmd_hwcrypto(struct iwl4965_priv *priv,
case ALG_CCMP:
cmd->cmd.tx.sec_ctl = TX_CMD_SEC_CCM;
memcpy(cmd->cmd.tx.key, keyinfo->key, keyinfo->keylen);
if (ctl->flags & IEEE80211_TXCTL_AMPDU)
cmd->cmd.tx.tx_flags |= TX_CMD_FLG_AGG_CCMP_MSK;
IWL_DEBUG_TX("tx_cmd with aes hwcrypto\n");
break;