iwlwifi: mvm: improve RSS configuration
Improve current RSS configuration:
* Use netdev_rss_key instead of keeping a local copy.
* Configure also UDP hashing to have UDP traffic spread across queues.
* Do not direct RSS traffic to our fallback queue.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index f375275..2dc97a1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -64,6 +64,7 @@
*
*****************************************************************************/
#include <net/mac80211.h>
+#include <linux/netdevice.h>
#include "iwl-trans.h"
#include "iwl-op-mode.h"
@@ -114,14 +115,18 @@
struct iwl_rss_config_cmd cmd = {
.flags = cpu_to_le32(IWL_RSS_ENABLE),
.hash_mask = IWL_RSS_HASH_TYPE_IPV4_TCP |
+ IWL_RSS_HASH_TYPE_IPV4_UDP |
IWL_RSS_HASH_TYPE_IPV4_PAYLOAD |
IWL_RSS_HASH_TYPE_IPV6_TCP |
+ IWL_RSS_HASH_TYPE_IPV6_UDP |
IWL_RSS_HASH_TYPE_IPV6_PAYLOAD,
};
+ /* Do not direct RSS traffic to Q 0 which is our fallback queue */
for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++)
- cmd.indirection_table[i] = i % mvm->trans->num_rx_queues;
- memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key));
+ cmd.indirection_table[i] =
+ 1 + (i % (mvm->trans->num_rx_queues - 1));
+ netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key));
return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
}