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iwlwifi: mvm: flip AMSDU addresses only for 9000 family 

Hardware bug was fixed in later generation.

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 2017-12-19 11:09:41 +02:00 committed by Luca Coelho
parent 6b7d5c0745
commit e4d7220813
1 changed files with 15 additions and 10 deletions
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25
drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
View File

@ -831,6 +831,16 @@ out:
rcu_read_unlock();
}
static void iwl_mvm_flip_address(u8 *addr)
{
int i;
u8 mac_addr[ETH_ALEN];
for (i = 0; i < ETH_ALEN; i++)
mac_addr[i] = addr[ETH_ALEN - i - 1];
ether_addr_copy(addr, mac_addr);
}
void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
struct iwl_rx_cmd_buffer *rxb, int queue)
{
@ -985,21 +995,16 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
*/
if ((desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) &&
!WARN_ON(!ieee80211_is_data_qos(hdr->frame_control))) {
int i;
u8 *qc = ieee80211_get_qos_ctl(hdr);
u8 mac_addr[ETH_ALEN];
*qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT;
for (i = 0; i < ETH_ALEN; i++)
mac_addr[i] = hdr->addr3[ETH_ALEN - i - 1];
ether_addr_copy(hdr->addr3, mac_addr);
if (mvm->trans->cfg->device_family ==
IWL_DEVICE_FAMILY_9000) {
iwl_mvm_flip_address(hdr->addr3);
if (ieee80211_has_a4(hdr->frame_control)) {
for (i = 0; i < ETH_ALEN; i++)
mac_addr[i] =
hdr->addr4[ETH_ALEN - i - 1];
ether_addr_copy(hdr->addr4, mac_addr);
if (ieee80211_has_a4(hdr->frame_control))
iwl_mvm_flip_address(hdr->addr4);
}
}
if (baid != IWL_RX_REORDER_DATA_INVALID_BAID) {