[PATCH 08/10] iwmc3200wifi: remove key caches in driver

Zhu Yi
2009-07-16T09:33:15Z

cfg80211 now guarantees keys are set after connecting. We can remove
the key cache code from the driver now.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
---
drivers/net/wireless/iwmc3200wifi/cfg80211.c | 43 +-------------------------
drivers/net/wireless/iwmc3200wifi/commands.c | 29 +-----------------
2 files changed, 2 insertions(+), 70 deletions(-)

diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index 0372658..3f5a08f 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -158,34 +158,6 @@ static int iwm_key_init(struct iwm_key *key, u8 key_index,
return 0;
}

-static int iwm_reset_profile(struct iwm_priv *iwm)
-{
- int ret;
-
- if (!iwm->umac_profile_active)
- return 0;
-
- /*
- * If there is a current active profile, but no
- * default key, it's not worth trying to associate again.
- */
- if (iwm->default_key < 0)
- return 0;
-
- /*
- * Here we have an active profile, but a key setting changed.
- * We thus have to invalidate the current profile, and push the
- * new one. Keys will be pushed when association takes place.
- */
- ret = iwm_invalidate_mlme_profile(iwm);
- if (ret < 0) {
- IWM_ERR(iwm, "Couldn't invalidate profile\n");
- return ret;
- }
-
- return iwm_send_mlme_profile(iwm);
-}
-
static int iwm_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
u8 key_index, const u8 *mac_addr,
struct key_params *params)
@@ -245,10 +217,6 @@ static int iwm_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
if (key_index == iwm->default_key)
iwm->default_key = -1;

- /* If the interface is down, we just cache this */
- if (!test_bit(IWM_STATUS_READY, &iwm->status))
- return 0;
-
return iwm_set_key(iwm, 1, key);
}

@@ -257,7 +225,6 @@ static int iwm_cfg80211_set_default_key(struct wiphy *wiphy,
u8 key_index)
{
struct iwm_priv *iwm = ndev_to_iwm(ndev);
- int ret;

IWM_DBG_WEXT(iwm, DBG, "Default key index is: %d\n", key_index);

@@ -268,15 +235,7 @@ static int iwm_cfg80211_set_default_key(struct wiphy *wiphy,

iwm->default_key = key_index;

- /* If the interface is down, we just cache this */
- if (!test_bit(IWM_STATUS_READY, &iwm->status))
- return 0;
-
- ret = iwm_set_tx_key(iwm, key_index);
- if (ret < 0)
- return ret;
-
- return iwm_reset_profile(iwm);
+ return iwm_set_tx_key(iwm, key_index);
}

int iwm_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev,
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index e6be297..0d66370 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -584,12 +584,6 @@ int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key)
struct iwm_umac_key_tkip *tkip = (struct iwm_umac_key_tkip *)cmd;
struct iwm_umac_key_ccmp *ccmp = (struct iwm_umac_key_ccmp *)cmd;

- /*
- * We check if our current profile is valid.
- * If not, we dont push the key, we just cache them,
- * so that with the next siwsessid call, the keys
- * will be actually pushed.
- */
if (!remove) {
ret = iwm_check_profile(iwm);
if (ret < 0)
@@ -727,7 +721,7 @@ int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key)

int iwm_send_mlme_profile(struct iwm_priv *iwm)
{
- int ret, i;
+ int ret;
struct iwm_umac_profile profile;

memcpy(&profile, iwm->umac_profile, sizeof(profile));
@@ -742,27 +736,6 @@ int iwm_send_mlme_profile(struct iwm_priv *iwm)
return ret;
}

- for (i = 0; i < IWM_NUM_KEYS; i++)
- if (iwm->keys[i].key_len) {
- struct iwm_key *key = &iwm->keys[i];
-
- /* Wait for the profile before sending the keys */
- wait_event_interruptible_timeout(iwm->mlme_queue,
- (test_bit(IWM_STATUS_ASSOCIATING, &iwm->status) ||
- test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)),
- 3 * HZ);
-
- ret = iwm_set_key(iwm, 0, key);
- if (ret)
- return ret;
-
- if (iwm->default_key == i) {
- ret = iwm_set_tx_key(iwm, i);
- if (ret)
- return ret;
- }
- }
-
return 0;
}

--
1.6.0.4