diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2016-03-22 15:55:58 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2016-03-30 16:21:30 +0300 |
| commit | 854d773e4ab5869200004af4ca5d851730849903 (patch) | |
| tree | 172f0345d18b3cc3d5e5f2421ff4ae65b4ae4c38 /drivers/net/wireless | |
| parent | 013a67ea69d7caac094e6d144507246f10f24d9a (diff) | |
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>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 3 |
4 files changed, 11 insertions, 7 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index abc16f73f07b..362a54601a80 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -65,6 +65,7 @@ *****************************************************************************/ #include <linux/vmalloc.h> #include <linux/ieee80211.h> +#include <linux/netdevice.h> #include "mvm.h" #include "fw-dbg.h" @@ -880,8 +881,10 @@ static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, 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, }; int ret, i, num_repeats, nbytes = count / 2; @@ -905,7 +908,7 @@ static ssize_t iwl_dbgfs_indirection_tbl_write(struct iwl_mvm *mvm, memcpy(&cmd.indirection_table[i * nbytes], cmd.indirection_table, ARRAY_SIZE(cmd.indirection_table) % nbytes); - memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key)); + netdev_rss_key_fill(cmd.secret_key, sizeof(cmd.secret_key)); mutex_lock(&mvm->mutex); ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index f375275ee98e..2dc97a19246a 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 @@ static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) 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); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index f0e25971424e..a9de2ad642bc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -699,7 +699,6 @@ struct iwl_mvm { atomic_t pending_frames[IWL_MVM_STATION_COUNT]; u32 tfd_drained[IWL_MVM_STATION_COUNT]; u8 rx_ba_sessions; - u32 secret_key[IWL_RSS_HASH_KEY_CNT]; /* configured by mac80211 */ u32 rts_threshold; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 9fc705ca5841..e36bcade69d1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -725,9 +725,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwl_mvm_tof_init(mvm); - /* init RSS hash key */ - get_random_bytes(mvm->secret_key, sizeof(mvm->secret_key)); - return op_mode; out_unregister: |