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authorGravatar Kurt Kanzenbach <kurt@linutronix.de> 2021-06-28 21:43:28 -0700
committerGravatar Tony Nguyen <anthony.l.nguyen@intel.com> 2021-07-16 14:07:24 -0700
commit6574631b50edf8fd88e3bb9155c6a89746779562 (patch)
tree8f34b1e21a75bb42b6c9ad4c44e4e674c8a25194 /drivers/net/ethernet/intel/igc/igc_regs.h
parentbnx2x: remove unused variable 'cur_data_offset' (diff)
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igc: Add possibility to add flex filter
The Intel i225 NIC has the possibility to add flex filters which can match up to the first 128 byte of a packet. These filters are useful for all kind of packet matching. One particular use case is Profinet, as the different traffic classes are distinguished by the frame id range which cannot be matched by any other means. Add code to configure and enable flex filters. Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de> Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_regs.h')
-rw-r--r--drivers/net/ethernet/intel/igc/igc_regs.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h
index 0f82990567d9..828c3501c448 100644
--- a/drivers/net/ethernet/intel/igc/igc_regs.h
+++ b/drivers/net/ethernet/intel/igc/igc_regs.h
@@ -67,6 +67,9 @@
/* Filtering Registers */
#define IGC_ETQF(_n) (0x05CB0 + (4 * (_n))) /* EType Queue Fltr */
+#define IGC_FHFT(_n) (0x09000 + (256 * (_n))) /* Flexible Host Filter */
+#define IGC_FHFT_EXT(_n) (0x09A00 + (256 * (_n))) /* Flexible Host Filter Extended */
+#define IGC_FHFTSL 0x05804 /* Flex Filter indirect table select */
/* ETQF register bit definitions */
#define IGC_ETQF_FILTER_ENABLE BIT(26)
@@ -75,6 +78,19 @@
#define IGC_ETQF_QUEUE_MASK 0x00070000
#define IGC_ETQF_ETYPE_MASK 0x0000FFFF
+/* FHFT register bit definitions */
+#define IGC_FHFT_LENGTH_MASK GENMASK(7, 0)
+#define IGC_FHFT_QUEUE_SHIFT 8
+#define IGC_FHFT_QUEUE_MASK GENMASK(10, 8)
+#define IGC_FHFT_PRIO_SHIFT 16
+#define IGC_FHFT_PRIO_MASK GENMASK(18, 16)
+#define IGC_FHFT_IMM_INT BIT(24)
+#define IGC_FHFT_DROP BIT(25)
+
+/* FHFTSL register bit definitions */
+#define IGC_FHFTSL_FTSL_SHIFT 0
+#define IGC_FHFTSL_FTSL_MASK GENMASK(1, 0)
+
/* Redirection Table - RW Array */
#define IGC_RETA(_i) (0x05C00 + ((_i) * 4))
/* RSS Random Key - RW Array */
@@ -240,6 +256,7 @@
#define IGC_WUFC 0x05808 /* Wakeup Filter Control - RW */
#define IGC_WUS 0x05810 /* Wakeup Status - R/W1C */
#define IGC_WUPL 0x05900 /* Wakeup Packet Length - RW */
+#define IGC_WUFC_EXT 0x0580C /* Wakeup Filter Control Register Extended - RW */
/* Wake Up packet memory */
#define IGC_WUPM_REG(_i) (0x05A00 + ((_i) * 4))