amd-xgbe: Add support for VLAN filtering
This patch adds support for (imperfect) filtering of
VLAN tag ids using a 16-bit filter hash table. When
VLANs are added, a 4-bit hash is calculated with the
result indicating the bit in the hash table to set.
This table is used by the hardware to drop packets with
a VLAN id that does not hash to a set bit in the table.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index 129d322..1de9d0f 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
@@ -393,6 +393,8 @@
#define MAC_PFR_PM_WIDTH 1
#define MAC_PFR_PR_INDEX 0
#define MAC_PFR_PR_WIDTH 1
+#define MAC_PFR_VTFE_INDEX 16
+#define MAC_PFR_VTFE_WIDTH 1
#define MAC_PMTCSR_MGKPKTEN_INDEX 1
#define MAC_PMTCSR_MGKPKTEN_WIDTH 1
#define MAC_PMTCSR_PWRDWN_INDEX 0
@@ -427,6 +429,8 @@
#define MAC_TCR_SS_WIDTH 2
#define MAC_TCR_TE_INDEX 0
#define MAC_TCR_TE_WIDTH 1
+#define MAC_VLANHTR_VLHT_INDEX 0
+#define MAC_VLANHTR_VLHT_WIDTH 16
#define MAC_VLANIR_VLTI_INDEX 20
#define MAC_VLANIR_VLTI_WIDTH 1
#define MAC_VLANIR_CSVL_INDEX 19
@@ -437,10 +441,18 @@
#define MAC_VLANTR_ERSVLM_WIDTH 1
#define MAC_VLANTR_ESVL_INDEX 18
#define MAC_VLANTR_ESVL_WIDTH 1
+#define MAC_VLANTR_ETV_INDEX 16
+#define MAC_VLANTR_ETV_WIDTH 1
#define MAC_VLANTR_EVLS_INDEX 21
#define MAC_VLANTR_EVLS_WIDTH 2
#define MAC_VLANTR_EVLRXS_INDEX 24
#define MAC_VLANTR_EVLRXS_WIDTH 1
+#define MAC_VLANTR_VL_INDEX 0
+#define MAC_VLANTR_VL_WIDTH 16
+#define MAC_VLANTR_VTHM_INDEX 25
+#define MAC_VLANTR_VTHM_WIDTH 1
+#define MAC_VLANTR_VTIM_INDEX 17
+#define MAC_VLANTR_VTIM_WIDTH 1
#define MAC_VR_DEVID_INDEX 8
#define MAC_VR_DEVID_WIDTH 8
#define MAC_VR_SNPSVER_INDEX 0