From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> When we get large sends on non-QoS association, we had a bug that mangled the SNAP header. Fix that. Fixes: a6d5e32f247c ("iwlwifi: mvm: send large SKBs to the transport") Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 172f0aa8d019..584ddc39d5f7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -849,11 +849,13 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb, if (tcp_payload_len > mss) { skb_shinfo(tmp)->gso_size = mss; } else { - qc = ieee80211_get_qos_ctl((void *)tmp->data); + if (ieee80211_is_data_qos(hdr->frame_control)) { + qc = ieee80211_get_qos_ctl((void *)tmp->data); - if (ipv4) - ip_send_check(ip_hdr(tmp)); - *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT; + if (ipv4) + ip_send_check(ip_hdr(tmp)); + *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT; + } skb_shinfo(tmp)->gso_size = 0; } -- 2.11.0