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path: root/drivers/net/ethernet/cadence/macb.h
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Diffstat (limited to 'drivers/net/ethernet/cadence/macb.h')
-rw-r--r--drivers/net/ethernet/cadence/macb.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 7bf82856043e..517c09d72c4a 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -164,6 +164,8 @@
#define GEM_CLK_SIZE 3
#define GEM_DBW_OFFSET 21
#define GEM_DBW_SIZE 2
+#define GEM_RXCOEN_OFFSET 24
+#define GEM_RXCOEN_SIZE 1
/* Constants for data bus width. */
#define GEM_DBW32 0
@@ -452,6 +454,14 @@ struct macb_dma_desc {
#define MACB_RX_BROADCAST_OFFSET 31
#define MACB_RX_BROADCAST_SIZE 1
+/* RX checksum offload disabled: bit 24 clear in NCFGR */
+#define GEM_RX_TYPEID_MATCH_OFFSET 22
+#define GEM_RX_TYPEID_MATCH_SIZE 2
+
+/* RX checksum offload enabled: bit 24 set in NCFGR */
+#define GEM_RX_CSUM_OFFSET 22
+#define GEM_RX_CSUM_SIZE 2
+
#define MACB_TX_FRMLEN_OFFSET 0
#define MACB_TX_FRMLEN_SIZE 11
#define MACB_TX_LAST_OFFSET 15
@@ -472,6 +482,15 @@ struct macb_dma_desc {
#define GEM_TX_FRMLEN_OFFSET 0
#define GEM_TX_FRMLEN_SIZE 14
+/* Buffer descriptor constants */
+#define GEM_RX_CSUM_NONE 0
+#define GEM_RX_CSUM_IP_ONLY 1
+#define GEM_RX_CSUM_IP_TCP 2
+#define GEM_RX_CSUM_IP_UDP 3
+
+/* limit RX checksum offload to TCP and UDP packets */
+#define GEM_RX_CSUM_CHECKED_MASK 2
+
/**
* struct macb_tx_skb - data about an skb which is being transmitted
* @skb: skb currently being transmitted, only set for the last buffer