diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2016-02-18 14:21:12 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2016-05-10 22:14:39 +0300 |
| commit | 0636b938214c90c3a7d145ad86b64a061bb10c50 (patch) | |
| tree | ea2d1714050c6405dc257869b62ead904e822906 /drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | |
| parent | e5ed17929bf4177c523465af187ab70c9a454caa (diff) | |
iwlwifi: mvm: implement driver RX queues sync command
mac80211 will call the driver whenever there is a race between
RSS queues and control path that requires a processing of all
pending frames in RSS queues.
Implement that by utilizing the internal notification mechanism:
queue a message to all queues. When the message is received on
a queue it decrements the atomic counter. This guarantees that
all pending frames in the RX queue were processed since the message
is in order inside the queue.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 651604d18a32..b4d9c42d411a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -406,6 +406,13 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, internal_notif = (void *)notif->payload; switch (internal_notif->type) { + case IWL_MVM_RXQ_SYNC: + if (mvm->queue_sync_cookie == internal_notif->cookie) + atomic_dec(&mvm->queue_sync_counter); + else + WARN_ONCE(1, + "Received expired RX queue sync message\n"); + break; case IWL_MVM_RXQ_NOTIF_DEL_BA: /* TODO */ break; |