diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2017-12-19 10:09:41 +0100 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2018-03-28 11:16:03 +0200 |
| commit | e4d7220813e986a99eff2b98d882d5290dd58078 (patch) | |
| tree | 3846cb96a8ef722e14ebb62cb5775b11952b1760 /drivers/net/wireless | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers.git (diff) | |
| download | linux-e4d7220813e986a99eff2b98d882d5290dd58078.tar.xz linux-e4d7220813e986a99eff2b98d882d5290dd58078.zip | |
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.c | 25 |
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) { |