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From a7cbf4fabd46b0d02b651f5defac754e56e11e0e Mon Sep 17 00:00:00 2001
From: Leyi Rong <leyi.rong@intel.com>
Date: Wed, 8 Apr 2020 14:22:00 +0800
Subject: [DPDK 07/17] net/iavf: flexible Rx descriptor definitions
Add definitions for flexible Rx descriptor structures and macros.
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
---
drivers/net/iavf/iavf_rxtx.h | 200 +++++++++++++++++++++++++++++++++++
1 file changed, 200 insertions(+)
diff --git a/drivers/net/iavf/iavf_rxtx.h b/drivers/net/iavf/iavf_rxtx.h
index 09b5bd99e..5e309631e 100644
--- a/drivers/net/iavf/iavf_rxtx.h
+++ b/drivers/net/iavf/iavf_rxtx.h
@@ -157,6 +157,206 @@ union iavf_tx_offload {
};
};
+/* Rx Flex Descriptors
+ * These descriptors are used instead of the legacy version descriptors
+ */
+union iavf_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 iavf_32b_rx_flex_desc {
+ struct {
+ __le64 pkt_addr; /* Packet buffer address */
+ __le64 hdr_addr; /* Header buffer address */
+ /* bit 0 of hdr_addr is DD bit */
+ __le64 rsvd1;
+ __le64 rsvd2;
+ } 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;
+
+ /* Qword 2 */
+ __le16 status_error1;
+ u8 flex_flags2;
+ u8 time_stamp_low;
+ __le16 l2tag2_1st;
+ __le16 l2tag2_2nd;
+
+ /* Qword 3 */
+ __le16 flex_meta2;
+ __le16 flex_meta3;
+ union {
+ struct {
+ __le16 flex_meta4;
+ __le16 flex_meta5;
+ } flex;
+ __le32 ts_high;
+ } flex_ts;
+ } wb; /* writeback */
+};
+
+/* Rx Flex Descriptor for Comms Package Profile
+ * RxDID Profile ID 16-21
+ * Flex-field 0: RSS hash lower 16-bits
+ * Flex-field 1: RSS hash upper 16-bits
+ * Flex-field 2: Flow ID lower 16-bits
+ * Flex-field 3: Flow ID upper 16-bits
+ * Flex-field 4: AUX0
+ * Flex-field 5: AUX1
+ */
+struct iavf_32b_rx_flex_desc_comms {
+ /* Qword 0 */
+ u8 rxdid;
+ u8 mir_id_umb_cast;
+ __le16 ptype_flexi_flags0;
+ __le16 pkt_len;
+ __le16 hdr_len_sph_flex_flags1;
+
+ /* Qword 1 */
+ __le16 status_error0;
+ __le16 l2tag1;
+ __le32 rss_hash;
+
+ /* Qword 2 */
+ __le16 status_error1;
+ u8 flexi_flags2;
+ u8 ts_low;
+ __le16 l2tag2_1st;
+ __le16 l2tag2_2nd;
+
+ /* Qword 3 */
+ __le32 flow_id;
+ union {
+ struct {
+ __le16 aux0;
+ __le16 aux1;
+ } flex;
+ __le32 ts_high;
+ } flex_ts;
+};
+
+/* Rx Flex Descriptor for Comms Package Profile
+ * RxDID Profile ID 22-23 (swap Hash and FlowID)
+ * Flex-field 0: Flow ID lower 16-bits
+ * Flex-field 1: Flow ID upper 16-bits
+ * Flex-field 2: RSS hash lower 16-bits
+ * Flex-field 3: RSS hash upper 16-bits
+ * Flex-field 4: AUX0
+ * Flex-field 5: AUX1
+ */
+struct iavf_32b_rx_flex_desc_comms_ovs {
+ /* Qword 0 */
+ u8 rxdid;
+ u8 mir_id_umb_cast;
+ __le16 ptype_flexi_flags0;
+ __le16 pkt_len;
+ __le16 hdr_len_sph_flex_flags1;
+
+ /* Qword 1 */
+ __le16 status_error0;
+ __le16 l2tag1;
+ __le32 flow_id;
+
+ /* Qword 2 */
+ __le16 status_error1;
+ u8 flexi_flags2;
+ u8 ts_low;
+ __le16 l2tag2_1st;
+ __le16 l2tag2_2nd;
+
+ /* Qword 3 */
+ __le32 rss_hash;
+ union {
+ struct {
+ __le16 aux0;
+ __le16 aux1;
+ } flex;
+ __le32 ts_high;
+ } flex_ts;
+};
+
+/* Receive Flex Descriptor profile IDs: There are a total
+ * of 64 profiles where profile IDs 0/1 are for legacy; and
+ * profiles 2-63 are flex profiles that can be programmed
+ * with a specific metadata (profile 7 reserved for HW)
+ */
+enum iavf_rxdid {
+ IAVF_RXDID_LEGACY_0 = 0,
+ IAVF_RXDID_LEGACY_1 = 1,
+ IAVF_RXDID_FLEX_NIC = 2,
+ IAVF_RXDID_FLEX_NIC_2 = 6,
+ IAVF_RXDID_HW = 7,
+ IAVF_RXDID_COMMS_GENERIC = 16,
+ IAVF_RXDID_COMMS_AUX_VLAN = 17,
+ IAVF_RXDID_COMMS_AUX_IPV4 = 18,
+ IAVF_RXDID_COMMS_AUX_IPV6 = 19,
+ IAVF_RXDID_COMMS_AUX_IPV6_FLOW = 20,
+ IAVF_RXDID_COMMS_AUX_TCP = 21,
+ IAVF_RXDID_COMMS_OVS_1 = 22,
+ IAVF_RXDID_COMMS_OVS_2 = 23,
+ IAVF_RXDID_LAST = 63,
+};
+
+enum iavf_rx_flex_desc_status_error_0_bits {
+ /* Note: These are predefined bit offsets */
+ IAVF_RX_FLEX_DESC_STATUS0_DD_S = 0,
+ IAVF_RX_FLEX_DESC_STATUS0_EOF_S,
+ IAVF_RX_FLEX_DESC_STATUS0_HBO_S,
+ IAVF_RX_FLEX_DESC_STATUS0_L3L4P_S,
+ IAVF_RX_FLEX_DESC_STATUS0_XSUM_IPE_S,
+ IAVF_RX_FLEX_DESC_STATUS0_XSUM_L4E_S,
+ IAVF_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S,
+ IAVF_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,
+ IAVF_RX_FLEX_DESC_STATUS0_LPBK_S,
+ IAVF_RX_FLEX_DESC_STATUS0_IPV6EXADD_S,
+ IAVF_RX_FLEX_DESC_STATUS0_RXE_S,
+ IAVF_RX_FLEX_DESC_STATUS0_CRCP_S,
+ IAVF_RX_FLEX_DESC_STATUS0_RSS_VALID_S,
+ IAVF_RX_FLEX_DESC_STATUS0_L2TAG1P_S,
+ IAVF_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S,
+ IAVF_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S,
+ IAVF_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
+};
+
+/* for iavf_32b_rx_flex_desc.ptype_flex_flags0 member */
+#define IAVF_RX_FLEX_DESC_PTYPE_M (0x3FF) /* 10-bits */
+
+/* for iavf_32b_rx_flex_desc.pkt_len member */
+#define IAVF_RX_FLX_DESC_PKT_LEN_M (0x3FFF) /* 14-bits */
+
int iavf_dev_rx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
--
2.17.1
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