Without this patch, monitor mode does not returns all frames. With this patch,
the performance are quite poor if we create a monitor interface. Note :
creating a monitor interface with the "cook" flag has no impact on performance.
Signed-off-by: Benoit Papillault <benoit.papillault@xxxxxxx>
---
drivers/net/wireless/zd1211rw/zd_mac.c | 20 +++++++++++++++++++-
1 files changed, 19 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 2d555cc..9cb6cbc 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -904,8 +904,26 @@ static int zd_op_config(struct ieee80211_hw *hw, u32 changed)
{
struct zd_mac *mac = zd_hw_mac(hw);
struct ieee80211_conf *conf = &hw->conf;
+ int ret;
- return zd_chip_set_channel(&mac->chip, conf->channel->hw_value);
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ /*
+ * Warning : enabling this register kills RX & TX
+ * performance
+ */
+ u32 cr_sniffer = !!(conf->flags & IEEE80211_CONF_MONITOR);
+ ret = zd_iowrite32(&mac->chip, CR_SNIFFER_ON, cr_sniffer);
+ if (!ret)
+ return ret;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ ret = zd_chip_set_channel(&mac->chip, conf->channel->hw_value);
+ if (!ret)
+ return ret;
+ }
+
+ return 0;
}
static void zd_process_intr(struct work_struct *work)
--
1.5.6.5
--
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