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iwlwifi: mvm: add AMSDU flag to offload assist

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Enable offload assist for AMSDU when the AMSDU present flag is set.

Fixes: a830baba9c2e ("iwlwifi: mvm: support new TX API")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Sara Sharon 2017-03-16 10:44:31 +02:00 committed by Luca Coelho
parent d6d517b773
commit f5bd90b72d
1 changed files with 7 additions and 1 deletions
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8
drivers/net/wireless/intel/iwlwifi/mvm/tx.c
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@ -480,8 +480,14 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd_gen2 *cmd = (void *)dev_cmd->payload;
u16 offload_assist = iwl_mvm_tx_csum(mvm, skb, hdr, info);
if (ieee80211_is_data_qos(hdr->frame_control)) {
u8 *qc = ieee80211_get_qos_ctl(hdr);
if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT)
offload_assist |= BIT(TX_CMD_OFFLD_AMSDU);
}
/* padding is inserted later in transport */
/* FIXME - check for AMSDU may need to be removed */
if (ieee80211_hdrlen(hdr->frame_control) % 4 &&
!(offload_assist & BIT(TX_CMD_OFFLD_AMSDU)))
offload_assist |= BIT(TX_CMD_OFFLD_PAD);