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authorSara Sharon <sara.sharon@intel.com>2017-12-19 12:09:41 +0300
committerLuca Coelho <luciano.coelho@intel.com>2018-03-28 12:16:03 +0300
commite4d7220813e986a99eff2b98d882d5290dd58078 (patch)
tree3846cb96a8ef722e14ebb62cb5775b11952b1760 /drivers/net/wireless
parent6b7d5c0745905b71127d0c1ae6eeddc09bbdaad8 (diff)
downloadlinux-e4d7220813e986a99eff2b98d882d5290dd58078.tar.xz
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>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 580de5851fc7..4a4ccfd11e5b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -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) {