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[01/25] iwlwifi: mvm: add AMSDU flag to offload assist

Message ID 20170605204218.30151-2-luca@coelho.fi (mailing list archive)
State Accepted
Delegated to: Luca Coelho
Headers show

Commit Message

Luca Coelho June 5, 2017, 8:41 p.m. UTC 
From: Sara Sharon <sara.sharon@intel.com>

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>
---
 drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 64ca8b92f8d2..4d0d23b224c6 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -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);