iwlwifi: initial contextification
In order to support multiple interfaces, we must move
a lot of data into per-context structures so we can
use the contexts the device offers. To start with,
this makes a lot of code context-aware, more changes
will move more things into the context structure.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 8d5201a..6b18892 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -519,6 +519,7 @@
* space for us to put data into.
*/
struct iwl_vif_priv {
+ struct iwl_rxon_context *ctx;
u8 ibss_bssid_sta_id;
};
@@ -1097,6 +1098,26 @@
*/
#define IWLAGN_EXT_BEACON_TIME_POS 22
+enum iwl_rxon_context_id {
+ IWL_RXON_CTX_BSS,
+
+ NUM_IWL_RXON_CTX
+};
+
+struct iwl_rxon_context {
+ enum iwl_rxon_context_id ctxid;
+ /*
+ * We declare this const so it can only be
+ * changed via explicit cast within the
+ * routines that actually update the physical
+ * hardware.
+ */
+ const struct iwl_rxon_cmd active;
+ struct iwl_rxon_cmd staging;
+
+ struct iwl_rxon_time_cmd timing;
+};
+
struct iwl_priv {
/* ieee device used by generic ieee processing code */
@@ -1173,6 +1194,9 @@
u32 hw_wa_rev;
u8 rev_id;
+ /* microcode/device supports multiple contexts */
+ u8 valid_contexts;
+
/* EEPROM MAC addresses */
struct mac_address addresses[2];
@@ -1190,15 +1214,7 @@
u8 ucode_write_complete; /* the image write is complete */
char firmware_name[25];
-
- struct iwl_rxon_time_cmd rxon_timing;
-
- /* We declare this const so it can only be
- * changed via explicit cast within the
- * routines that actually update the physical
- * hardware */
- const struct iwl_rxon_cmd active_rxon;
- struct iwl_rxon_cmd staging_rxon;
+ struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
struct iwl_switch_rxon switch_rxon;
@@ -1490,10 +1506,34 @@
return NULL;
}
-
-static inline int iwl_is_associated(struct iwl_priv *priv)
+static inline struct iwl_rxon_context *
+iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
{
- return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
+ struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
+
+ return vif_priv->ctx;
+}
+
+#define for_each_context(priv, ctx) \
+ for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
+ ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
+ if (priv->valid_contexts & BIT(ctx->ctxid))
+
+static inline int iwl_is_associated(struct iwl_priv *priv,
+ enum iwl_rxon_context_id ctxid)
+{
+ return (priv->contexts[ctxid].active.filter_flags &
+ RXON_FILTER_ASSOC_MSK) ? 1 : 0;
+}
+
+static inline int iwl_is_any_associated(struct iwl_priv *priv)
+{
+ return iwl_is_associated(priv, IWL_RXON_CTX_BSS);
+}
+
+static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
+{
+ return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
}
static inline int is_channel_valid(const struct iwl_channel_info *ch_info)