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-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 8ccfcd0..f4aa229 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -245,7 +245,7 @@
break;
case IEEE80211_BAND_2GHZ:
if (!(priv->_3945.sta_supp_rates & IWL_OFDM_RATES_MASK) &&
- iwl_is_associated(priv)) {
+ iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
if (rate == IWL_RATE_11M_INDEX)
next_rate = IWL_RATE_5M_INDEX;
}
@@ -1439,17 +1439,18 @@
int rate_idx, i;
const struct iwl_channel_info *ch_info = NULL;
struct iwl3945_txpowertable_cmd txpower = {
- .channel = priv->active_rxon.channel,
+ .channel = priv->contexts[IWL_RXON_CTX_BSS].active.channel,
};
+ u16 chan;
+
+ chan = le16_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.channel);
txpower.band = (priv->band == IEEE80211_BAND_5GHZ) ? 0 : 1;
- ch_info = iwl_get_channel_info(priv,
- priv->band,
- le16_to_cpu(priv->active_rxon.channel));
+ ch_info = iwl_get_channel_info(priv, priv->band, chan);
if (!ch_info) {
IWL_ERR(priv,
"Failed to get channel info for channel %d [%d]\n",
- le16_to_cpu(priv->active_rxon.channel), priv->band);
+ chan, priv->band);
return -EINVAL;
}
@@ -1710,7 +1711,8 @@
return 0;
}
-static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
+static int iwl3945_send_rxon_assoc(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
{
int rc = 0;
struct iwl_rx_packet *pkt;
@@ -1721,8 +1723,8 @@
.flags = CMD_WANT_SKB,
.data = &rxon_assoc,
};
- const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
- const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+ const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+ const struct iwl_rxon_cmd *rxon2 = &ctx->active;
if ((rxon1->flags == rxon2->flags) &&
(rxon1->filter_flags == rxon2->filter_flags) &&
@@ -1732,10 +1734,10 @@
return 0;
}
- rxon_assoc.flags = priv->staging_rxon.flags;
- rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
- rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
- rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+ rxon_assoc.flags = ctx->staging.flags;
+ rxon_assoc.filter_flags = ctx->staging.filter_flags;
+ rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+ rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
rxon_assoc.reserved = 0;
rc = iwl_send_cmd_sync(priv, &cmd);
@@ -1761,14 +1763,14 @@
* function correctly transitions out of the RXON_ASSOC_MSK state if
* a HW tune is required based on the RXON structure changes.
*/
-static int iwl3945_commit_rxon(struct iwl_priv *priv)
+static int iwl3945_commit_rxon(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx)
{
/* cast away the const for active_rxon in this function */
- struct iwl3945_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
- struct iwl3945_rxon_cmd *staging_rxon = (void *)&priv->staging_rxon;
+ struct iwl3945_rxon_cmd *active_rxon = (void *)&ctx->active;
+ struct iwl3945_rxon_cmd *staging_rxon = (void *)&ctx->staging;
int rc = 0;
- bool new_assoc =
- !!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
+ bool new_assoc = !!(staging_rxon->filter_flags & RXON_FILTER_ASSOC_MSK);
if (!iwl_is_alive(priv))
return -1;
@@ -1781,7 +1783,7 @@
~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK);
staging_rxon->flags |= iwl3945_get_antenna_flags(priv);
- rc = iwl_check_rxon_cmd(priv);
+ rc = iwl_check_rxon_cmd(priv, ctx);
if (rc) {
IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n");
return -EINVAL;
@@ -1790,8 +1792,9 @@
/* If we don't need to send a full RXON, we can use
* iwl3945_rxon_assoc_cmd which is used to reconfigure filter
* and other flags for the current radio configuration. */
- if (!iwl_full_rxon_required(priv)) {
- rc = iwl_send_rxon_assoc(priv);
+ if (!iwl_full_rxon_required(priv, &priv->contexts[IWL_RXON_CTX_BSS])) {
+ rc = iwl_send_rxon_assoc(priv,
+ &priv->contexts[IWL_RXON_CTX_BSS]);
if (rc) {
IWL_ERR(priv, "Error setting RXON_ASSOC "
"configuration (%d).\n", rc);
@@ -1807,7 +1810,7 @@
* an RXON_ASSOC and the new config wants the associated mask enabled,
* we must clear the associated from the active configuration
* before we apply the new config */
- if (iwl_is_associated(priv) && new_assoc) {
+ if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && new_assoc) {
IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n");
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
@@ -1819,7 +1822,7 @@
active_rxon->reserved5 = 0;
rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
sizeof(struct iwl3945_rxon_cmd),
- &priv->active_rxon);
+ &priv->contexts[IWL_RXON_CTX_BSS].active);
/* If the mask clearing failed then we set
* active_rxon back to what it was previously */
@@ -1848,7 +1851,7 @@
staging_rxon->reserved4 = 0;
staging_rxon->reserved5 = 0;
- iwl_set_rxon_hwcrypto(priv, !iwl3945_mod_params.sw_crypto);
+ iwl_set_rxon_hwcrypto(priv, ctx, !iwl3945_mod_params.sw_crypto);
/* Apply the new configuration */
rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
@@ -2366,7 +2369,7 @@
* 1M CCK rates */
if (!(priv->_3945.sta_supp_rates & IWL_OFDM_RATES_MASK) &&
- iwl_is_associated(priv)) {
+ iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
index = IWL_FIRST_CCK_RATE;
for (i = IWL_RATE_6M_INDEX_TABLE;