aboutsummaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index ee7c978fe5ab..4df5f13fcdae 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1402,11 +1402,24 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
if (iwl_mvm_has_new_rx_api(mvm) &&
!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
+ int q;
+
dup_data = kcalloc(mvm->trans->num_rx_queues,
- sizeof(*dup_data),
- GFP_KERNEL);
+ sizeof(*dup_data), GFP_KERNEL);
if (!dup_data)
return -ENOMEM;
+ /*
+ * Initialize all the last_seq values to 0xffff which can never
+ * compare equal to the frame's seq_ctrl in the check in
+ * iwl_mvm_is_dup() since the lower 4 bits are the fragment
+ * number and fragmented packets don't reach that function.
+ *
+ * This thus allows receiving a packet with seqno 0 and the
+ * retry bit set as the very first packet on a new TID.
+ */
+ for (q = 0; q < mvm->trans->num_rx_queues; q++)
+ memset(dup_data[q].last_seq, 0xff,
+ sizeof(dup_data[q].last_seq));
mvm_sta->dup_data = dup_data;
}