From: Viktor Barna <viktor.barna@xxxxxxxxxx>
(Part of the split. Please, take a look at the cover letter for more
details).
Signed-off-by: Viktor Barna <viktor.barna@xxxxxxxxxx>
---
.../net/wireless/celeno/cl8k/rx/rx_filter.c | 88 +++++++++++++++++++
1 file changed, 88 insertions(+)
create mode 100644 drivers/net/wireless/celeno/cl8k/rx/rx_filter.c
diff --git a/drivers/net/wireless/celeno/cl8k/rx/rx_filter.c b/drivers/net/wireless/celeno/cl8k/rx/rx_filter.c
new file mode 100644
index 000000000000..95415ec6aad0
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/rx/rx_filter.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: MIT
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#include "rx/rx_filter.h"
+#include "fw/msg_tx.h"
+#include "ieee80211_i.h"
+
+u32 cl_rx_filter_update_flags(struct cl_hw *cl_hw, u32 filter)
+{
+ u32 rx_filter = 0;
+
+ if (filter & FIF_ALLMULTI)
+ rx_filter |= RX_CNTRL_ACCEPT_MULTICAST_BIT;
+
+ if (filter & (FIF_FCSFAIL | FIF_PLCPFAIL))
+ rx_filter |= RX_CNTRL_ACCEPT_ERROR_FRAMES_BIT;
+
+ if (filter & FIF_BCN_PRBRESP_PROMISC)
+ rx_filter |= RX_CNTRL_ACCEPT_OTHER_BSSID_BIT;
+
+ if (filter & FIF_CONTROL)
+ rx_filter |= RX_CNTRL_ACCEPT_OTHER_CNTRL_FRAMES_BIT |
+ RX_CNTRL_ACCEPT_CF_END_BIT |
+ RX_CNTRL_ACCEPT_ACK_BIT |
+ RX_CNTRL_ACCEPT_CTS_BIT |
+ RX_CNTRL_ACCEPT_RTS_BIT |
+ RX_CNTRL_ACCEPT_BA_BIT | RX_CNTRL_ACCEPT_BAR_BIT;
+
+ if (filter & FIF_OTHER_BSS)
+ rx_filter |= RX_CNTRL_ACCEPT_OTHER_BSSID_BIT;
+
+ if (filter & FIF_PSPOLL)
+ rx_filter |= RX_CNTRL_ACCEPT_PS_POLL_BIT;
+
+ if (filter & FIF_PROBE_REQ)
+ rx_filter |= RX_CNTRL_ACCEPT_PROBE_REQ_BIT;
+
+ /* Add the filter flags that are set by default and cannot be changed here */
+ rx_filter |= CL_MAC80211_NOT_CHANGEABLE;
+
+ if (ieee80211_hw_check(cl_hw->hw, AMPDU_AGGREGATION))
+ rx_filter |= RX_CNTRL_ACCEPT_BA_BIT;
+
+ /*
+ * work around for HW bug (AD 14672)
+ * In order for the response frames to BAR and RTS be with correct
+ * power they should always be accepted and found in the KSR
+ */
+ rx_filter |= RX_CNTRL_ACCEPT_BAR_BIT | RX_CNTRL_ACCEPT_RTS_BIT;
+
+ return rx_filter;
+}
+
+static u32 cl_filter_get_flags(struct net_device *dev)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ return sdata->local->filter_flags;
+}
+
+void cl_rx_filter_restore_flags(struct cl_hw *cl_hw)
+{
+ struct net_device *dev = cl_vif_get_first_net_device(cl_hw);
+ u32 filter = 0;
+
+ if (!dev)
+ return;
+
+ filter = cl_filter_get_flags(dev);
+ cl_dbg_verbose(cl_hw, "Restoring filter flags to 0x%x\n", filter);
+ cl_msg_tx_set_filter(cl_hw, filter, false);
+}
+
+void cl_rx_filter_set_promiscuous_off(unsigned long data)
+{
+ struct cl_hw *cl_hw = (struct cl_hw *)data;
+
+ cl_rx_filter_restore_flags(cl_hw);
+}
+
+void cl_rx_filter_set_promiscuous(struct cl_hw *cl_hw)
+{
+ u32 filter = ~(FIF_FCSFAIL | FIF_PLCPFAIL | (1 << 31));
+
+ cl_dbg_verbose(cl_hw, "set promiscuous mode 0x%x\n", filter);
+ cl_msg_tx_set_filter(cl_hw, filter, false);
+}
+
--
2.30.0
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