iwlwifi: mvm: fix RSS key sizing

The initialization and copying of the RSS secret key
should not use ARRAY_SIZE as we need to initialize a
dword array, and not a byte array.
Fix also the hook maximum write size to allow writing
a longer table - up to full indirection table size.

Fixes: 43413a975d06("iwlwifi: mvm: support rss queues configuration command")
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/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index c529e53..54d0d7d 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -976,7 +976,7 @@ 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, ARRAY_SIZE(cmd.secret_key));
+       memcpy(cmd.secret_key, mvm->secret_key, sizeof(cmd.secret_key));
 
        mutex_lock(&mvm->mutex);
        ret = iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd);
@@ -1497,7 +1497,8 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(fw_dbg_conf, 8);
 MVM_DEBUGFS_WRITE_FILE_OPS(fw_dbg_collect, 64);
 MVM_DEBUGFS_WRITE_FILE_OPS(cont_recording, 8);
-MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl, 16);
+MVM_DEBUGFS_WRITE_FILE_OPS(indirection_tbl,
+                          (IWL_RSS_INDIRECTION_TABLE_SIZE * 2));
 
 #ifdef CONFIG_IWLWIFI_BCAST_FILTERING
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(bcast_filters, 256);

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 3e596e4..05475a2 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -121,7 +121,7 @@ static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm)
 
        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, ARRAY_SIZE(cmd.secret_key));
+       memcpy(cmd.secret_key, mvm->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/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 3661a9d..c5b6e86 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -661,7 +661,7 @@ 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, ARRAY_SIZE(mvm->secret_key));
+       get_random_bytes(mvm->secret_key, sizeof(mvm->secret_key));
 
        return op_mode;