net/ice/base: add 16-byte Flex Rx descriptor

Add 16-byte Flex RX descriptor structure definition.

Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/drivers/net/ice/base/ice_lan_tx_rx.h b/drivers/net/ice/base/ice_lan_tx_rx.h
index 2cba6bc..7c3927a 100644 (file)
--- a/drivers/net/ice/base/ice_lan_tx_rx.h
+++ b/drivers/net/ice/base/ice_lan_tx_rx.h
@@ -373,10 +373,34 @@ enum ice_rx_prog_status_desc_error_bits {
        ICE_RX_PROG_STATUS_DESC_NO_FD_ENTRY_S   = 1,
 };
 
-/* Rx Flex Descriptor
- * This descriptor is used instead of the legacy version descriptor when
+/* Rx Flex Descriptors
+ * These descriptors are used instead of the legacy version descriptors when
  * ice_rlan_ctx.adv_desc is set
  */
+union ice_16b_rx_flex_desc {
+       struct {
+               __le64 pkt_addr; /* Packet buffer address */
+               __le64 hdr_addr; /* Header buffer address */
+                                /* bit 0 of hdr_addr is DD bit */
+       } read;
+       struct {
+               /* Qword 0 */
+               u8 rxdid; /* descriptor builder profile ID */
+               u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
+               __le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
+               __le16 pkt_len; /* [15:14] are reserved */
+               __le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
+                                               /* sph=[11:11] */
+                                               /* ff1/ext=[15:12] */
+
+               /* Qword 1 */
+               __le16 status_error0;
+               __le16 l2tag1;
+               __le16 flex_meta0;
+               __le16 flex_meta1;
+       } wb; /* writeback */
+};
+
 union ice_32b_rx_flex_desc {
        struct {
                __le64 pkt_addr; /* Packet buffer address */