diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 60360ed73f26..e5d3eba2e82a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -185,8 +185,14 @@ static u16 iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb, else udp_hdr(skb)->check = 0; - /* mac header len should include IV, size is in words */ - if (info->control.hw_key) + /* + * mac header len should include IV, size is in words unless + * the IV is added by the firmware like in WEP. + * In new Tx API, the IV is always added by the firmware. + */ + if (!iwl_mvm_has_new_tx_api(mvm) && info->control.hw_key && + info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP40 && + info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP104) mh_len += info->control.hw_key->iv_len; mh_len /= 2; offload_assist |= mh_len << TX_CMD_OFFLD_MH_SIZE; |