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rtl8xxxu: Enable monitor mode by handling filters 

Monitor mode is enabled by handling the filter flags we get from mac80211 in
rtl8xxxu_configure_filter() and writing them to the RCR register.

By handling the filters, we can also stop setting the BSSID filters in the
association event.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Bruno Randolf 2016-02-03 13:39:51 -05:00 committed by Kalle Valo
parent 56e4374a5e
commit 3bed4bfa51
1 changed files with 45 additions and 11 deletions
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56
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
View File

@ -4199,7 +4199,6 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
* Configure initial WMAC settings
*/
val32 = RCR_ACCEPT_PHYS_MATCH | RCR_ACCEPT_MCAST | RCR_ACCEPT_BCAST |
/* RCR_CHECK_BSSID_MATCH | RCR_CHECK_BSSID_BEACON | */
RCR_ACCEPT_MGMT_FRAME | RCR_HTC_LOC_CTRL |
RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC;
rtl8xxxu_write32(priv, REG_RCR, val32);
@ -4522,10 +4521,6 @@ rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
rtl8xxxu_update_rate_mask(priv, ramask, sgi);
val32 = rtl8xxxu_read32(priv, REG_RCR);
val32 |= RCR_CHECK_BSSID_MATCH | RCR_CHECK_BSSID_BEACON;
rtl8xxxu_write32(priv, REG_RCR, val32);
/* Enable RX of data frames */
rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff);
@ -4539,11 +4534,6 @@ rtl8xxxu_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
h2c.joinbss.data = H2C_JOIN_BSS_CONNECT;
} else {
val32 = rtl8xxxu_read32(priv, REG_RCR);
val32 &= ~(RCR_CHECK_BSSID_MATCH |
RCR_CHECK_BSSID_BEACON);
rtl8xxxu_write32(priv, REG_RCR, val32);
val8 = rtl8xxxu_read8(priv, REG_BEACON_CTRL);
val8 |= BEACON_DISABLE_TSF_UPDATE;
rtl8xxxu_write8(priv, REG_BEACON_CTRL, val8);
@ -5318,11 +5308,55 @@ static void rtl8xxxu_configure_filter(struct ieee80211_hw *hw,
unsigned int *total_flags, u64 multicast)
{
struct rtl8xxxu_priv *priv = hw->priv;
u32 rcr = rtl8xxxu_read32(priv, REG_RCR);
dev_dbg(&priv->udev->dev, "%s: changed_flags %08x, total_flags %08x\n",
__func__, changed_flags, *total_flags);
*total_flags &= (FIF_ALLMULTI | FIF_CONTROL | FIF_BCN_PRBRESP_PROMISC);
/*
* FIF_ALLMULTI ignored as all multicast frames are accepted (REG_MAR)
*/
if (*total_flags & FIF_FCSFAIL)
rcr |= RCR_ACCEPT_CRC32;
else
rcr &= ~RCR_ACCEPT_CRC32;
/*
* FIF_PLCPFAIL not supported?
*/
if (*total_flags & FIF_BCN_PRBRESP_PROMISC)
rcr &= ~RCR_CHECK_BSSID_BEACON;
else
rcr |= RCR_CHECK_BSSID_BEACON;
if (*total_flags & FIF_CONTROL)
rcr |= RCR_ACCEPT_CTRL_FRAME;
else
rcr &= ~RCR_ACCEPT_CTRL_FRAME;
if (*total_flags & FIF_OTHER_BSS) {
rcr |= RCR_ACCEPT_AP;
rcr &= ~RCR_CHECK_BSSID_MATCH;
} else {
rcr &= ~RCR_ACCEPT_AP;
rcr |= RCR_CHECK_BSSID_MATCH;
}
if (*total_flags & FIF_PSPOLL)
rcr |= RCR_ACCEPT_PM;
else
rcr &= ~RCR_ACCEPT_PM;
/*
* FIF_PROBE_REQ ignored as probe requests always seem to be accepted
*/
rtl8xxxu_write32(priv, REG_RCR, rcr);
*total_flags &= (FIF_ALLMULTI | FIF_FCSFAIL | FIF_BCN_PRBRESP_PROMISC | \
FIF_CONTROL | FIF_OTHER_BSS | FIF_PSPOLL | FIF_PROBE_REQ);
}
static int rtl8xxxu_set_rts_threshold(struct ieee80211_hw *hw, u32 rts)