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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c102
1 files changed, 50 insertions, 52 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 09a4d1700952..ecf5c9b90089 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -510,76 +510,74 @@ void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
}
EXPORT_SYMBOL(iwl_set_rxon_hwcrypto);
-/**
- * iwl_check_rxon_cmd - validate RXON structure is valid
- *
- * NOTE: This is really only useful during development and can eventually
- * be #ifdef'd out once the driver is stable and folks aren't actively
- * making changes
- */
+/* validate RXON structure is valid */
int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
- int error = 0;
- int counter = 1;
struct iwl_rxon_cmd *rxon = &ctx->staging;
+ bool error = false;
if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
- error |= le32_to_cpu(rxon->flags &
- (RXON_FLG_TGJ_NARROW_BAND_MSK |
- RXON_FLG_RADAR_DETECT_MSK));
- if (error)
- IWL_WARN(priv, "check 24G fields %d | %d\n",
- counter++, error);
+ if (rxon->flags & RXON_FLG_TGJ_NARROW_BAND_MSK) {
+ IWL_WARN(priv, "check 2.4G: wrong narrow\n");
+ error = true;
+ }
+ if (rxon->flags & RXON_FLG_RADAR_DETECT_MSK) {
+ IWL_WARN(priv, "check 2.4G: wrong radar\n");
+ error = true;
+ }
} else {
- error |= (rxon->flags & RXON_FLG_SHORT_SLOT_MSK) ?
- 0 : le32_to_cpu(RXON_FLG_SHORT_SLOT_MSK);
- if (error)
- IWL_WARN(priv, "check 52 fields %d | %d\n",
- counter++, error);
- error |= le32_to_cpu(rxon->flags & RXON_FLG_CCK_MSK);
- if (error)
- IWL_WARN(priv, "check 52 CCK %d | %d\n",
- counter++, error);
- }
- error |= (rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1;
- if (error)
- IWL_WARN(priv, "check mac addr %d | %d\n", counter++, error);
+ if (!(rxon->flags & RXON_FLG_SHORT_SLOT_MSK)) {
+ IWL_WARN(priv, "check 5.2G: not short slot!\n");
+ error = true;
+ }
+ if (rxon->flags & RXON_FLG_CCK_MSK) {
+ IWL_WARN(priv, "check 5.2G: CCK!\n");
+ error = true;
+ }
+ }
+ if ((rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1) {
+ IWL_WARN(priv, "mac/bssid mcast!\n");
+ error = true;
+ }
/* make sure basic rates 6Mbps and 1Mbps are supported */
- error |= (((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0) &&
- ((rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0));
- if (error)
- IWL_WARN(priv, "check basic rate %d | %d\n", counter++, error);
+ if ((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0 &&
+ (rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0) {
+ IWL_WARN(priv, "neither 1 nor 6 are basic\n");
+ error = true;
+ }
- error |= (le16_to_cpu(rxon->assoc_id) > 2007);
- if (error)
- IWL_WARN(priv, "check assoc id %d | %d\n", counter++, error);
+ if (le16_to_cpu(rxon->assoc_id) > 2007) {
+ IWL_WARN(priv, "aid > 2007\n");
+ error = true;
+ }
- error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
- == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK));
- if (error)
- IWL_WARN(priv, "check CCK and short slot %d | %d\n",
- counter++, error);
+ if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
+ == (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
+ IWL_WARN(priv, "CCK and short slot\n");
+ error = true;
+ }
- error |= ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
- == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK));
- if (error)
- IWL_WARN(priv, "check CCK & auto detect %d | %d\n",
- counter++, error);
+ if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
+ == (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) {
+ IWL_WARN(priv, "CCK and auto detect");
+ error = true;
+ }
- error |= ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
- RXON_FLG_TGG_PROTECT_MSK)) == RXON_FLG_TGG_PROTECT_MSK);
- if (error)
- IWL_WARN(priv, "check TGG and auto detect %d | %d\n",
- counter++, error);
+ if ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
+ RXON_FLG_TGG_PROTECT_MSK)) ==
+ RXON_FLG_TGG_PROTECT_MSK) {
+ IWL_WARN(priv, "TGg but no auto-detect\n");
+ error = true;
+ }
if (error)
IWL_WARN(priv, "Tuning to channel %d\n",
le16_to_cpu(rxon->channel));
if (error) {
- IWL_ERR(priv, "Not a valid iwl_rxon_assoc_cmd field values\n");
- return -1;
+ IWL_ERR(priv, "Invalid RXON\n");
+ return -EINVAL;
}
return 0;
}