Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 270 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/qede/qede_rxtx.h b/src/seastar/dpdk/drivers/net/qede/qede_rxtx.h
new file mode 100644
index 00000000..a1bbd256
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/qede/qede_rxtx.h
@@ -0,0 +1,270 @@
+/*
+ * Copyright (c) 2016 QLogic Corporation.
+ * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.qede_pmd for copyright and licensing details.
+ */
+
+
+#ifndef _QEDE_RXTX_H_
+#define _QEDE_RXTX_H_
+
+#include "qede_ethdev.h"
+
+/* Ring Descriptors */
+#define RX_RING_SIZE_POW        16	/* 64K */
+#define RX_RING_SIZE            (1ULL << RX_RING_SIZE_POW)
+#define NUM_RX_BDS_MAX          (RX_RING_SIZE - 1)
+#define NUM_RX_BDS_MIN          128
+#define NUM_RX_BDS_DEF          NUM_RX_BDS_MAX
+#define NUM_RX_BDS(q)           (q->nb_rx_desc - 1)
+
+#define TX_RING_SIZE_POW        16	/* 64K */
+#define TX_RING_SIZE            (1ULL << TX_RING_SIZE_POW)
+#define NUM_TX_BDS_MAX          (TX_RING_SIZE - 1)
+#define NUM_TX_BDS_MIN          128
+#define NUM_TX_BDS_DEF          NUM_TX_BDS_MAX
+#define NUM_TX_BDS(q)           (q->nb_tx_desc - 1)
+
+#define TX_CONS(txq)            (txq->sw_tx_cons & NUM_TX_BDS(txq))
+#define TX_PROD(txq)            (txq->sw_tx_prod & NUM_TX_BDS(txq))
+
+#define QEDE_DEFAULT_TX_FREE_THRESH	32
+
+#define QEDE_CSUM_ERROR			(1 << 0)
+#define QEDE_CSUM_UNNECESSARY		(1 << 1)
+#define QEDE_TUNN_CSUM_UNNECESSARY	(1 << 2)
+
+#define QEDE_BD_SET_ADDR_LEN(bd, maddr, len) \
+	do { \
+		(bd)->addr.hi = rte_cpu_to_le_32(U64_HI(maddr)); \
+		(bd)->addr.lo = rte_cpu_to_le_32(U64_LO(maddr)); \
+		(bd)->nbytes = rte_cpu_to_le_16(len); \
+	} while (0)
+
+#define CQE_HAS_VLAN(flags) \
+	((flags) & (PARSING_AND_ERR_FLAGS_TAG8021QEXIST_MASK \
+		<< PARSING_AND_ERR_FLAGS_TAG8021QEXIST_SHIFT))
+
+#define CQE_HAS_OUTER_VLAN(flags) \
+	((flags) & (PARSING_AND_ERR_FLAGS_TUNNEL8021QTAGEXIST_MASK \
+		<< PARSING_AND_ERR_FLAGS_TUNNEL8021QTAGEXIST_SHIFT))
+
+#define QEDE_MIN_RX_BUFF_SIZE		(1024)
+#define QEDE_VLAN_TAG_SIZE		(4)
+#define QEDE_LLC_SNAP_HDR_LEN		(8)
+
+/* Max supported alignment is 256 (8 shift)
+ * minimal alignment shift 6 is optimal for 57xxx HW performance
+ */
+#define QEDE_L1_CACHE_SHIFT	6
+#define QEDE_RX_ALIGN_SHIFT	(RTE_MAX(6, RTE_MIN(8, QEDE_L1_CACHE_SHIFT)))
+#define QEDE_FW_RX_ALIGN_END	(1UL << QEDE_RX_ALIGN_SHIFT)
+#define QEDE_CEIL_TO_CACHE_LINE_SIZE(n) (((n) + (QEDE_FW_RX_ALIGN_END - 1)) & \
+					~(QEDE_FW_RX_ALIGN_END - 1))
+/* Note: QEDE_LLC_SNAP_HDR_LEN is optional */
+#define QEDE_ETH_OVERHEAD	((ETHER_HDR_LEN) + ((2 * QEDE_VLAN_TAG_SIZE)) \
+				+ (QEDE_LLC_SNAP_HDR_LEN))
+
+#define QEDE_RSS_OFFLOAD_ALL    (ETH_RSS_IPV4			|\
+				 ETH_RSS_NONFRAG_IPV4_TCP	|\
+				 ETH_RSS_NONFRAG_IPV4_UDP	|\
+				 ETH_RSS_IPV6			|\
+				 ETH_RSS_NONFRAG_IPV6_TCP	|\
+				 ETH_RSS_NONFRAG_IPV6_UDP	|\
+				 ETH_RSS_VXLAN)
+
+#define QEDE_TXQ_FLAGS		((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS)
+
+#define MAX_NUM_TC		8
+
+#define for_each_queue(i) for (i = 0; i < qdev->num_queues; i++)
+
+
+/* Macros for non-tunnel packet types lkup table */
+#define QEDE_PKT_TYPE_UNKNOWN				0x0
+#define QEDE_PKT_TYPE_MAX				0xf
+#define QEDE_PKT_TYPE_IPV4				0x1
+#define QEDE_PKT_TYPE_IPV6				0x2
+#define QEDE_PKT_TYPE_IPV4_TCP				0x5
+#define QEDE_PKT_TYPE_IPV6_TCP				0x6
+#define QEDE_PKT_TYPE_IPV4_UDP				0x9
+#define QEDE_PKT_TYPE_IPV6_UDP				0xa
+
+/* Macros for tunneled packets with next protocol lkup table */
+#define QEDE_PKT_TYPE_TUNN_GENEVE			0x1
+#define QEDE_PKT_TYPE_TUNN_GRE				0x2
+#define QEDE_PKT_TYPE_TUNN_VXLAN			0x3
+
+/* Bit 2 is don't care bit */
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_GENEVE	0x9
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_GRE	0xa
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_NOEXIST_VXLAN	0xb
+
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_GENEVE	0xd
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_GRE		0xe
+#define QEDE_PKT_TYPE_TUNN_L2_TENID_EXIST_VXLAN	0xf
+
+
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_GENEVE    0x11
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_GRE       0x12
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_NOEXIST_VXLAN     0x13
+
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_GENEVE	0x15
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_GRE	0x16
+#define QEDE_PKT_TYPE_TUNN_IPV4_TENID_EXIST_VXLAN	0x17
+
+
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_GENEVE    0x19
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_GRE       0x1a
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_NOEXIST_VXLAN     0x1b
+
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_GENEVE      0x1d
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_GRE		0x1e
+#define QEDE_PKT_TYPE_TUNN_IPV6_TENID_EXIST_VXLAN       0x1f
+
+#define QEDE_PKT_TYPE_TUNN_MAX_TYPE			0x20 /* 2^5 */
+
+#define QEDE_TX_CSUM_OFFLOAD_MASK (PKT_TX_IP_CKSUM              | \
+				   PKT_TX_TCP_CKSUM             | \
+				   PKT_TX_UDP_CKSUM             | \
+				   PKT_TX_OUTER_IP_CKSUM        | \
+				   PKT_TX_TCP_SEG)
+
+#define QEDE_TX_OFFLOAD_MASK (QEDE_TX_CSUM_OFFLOAD_MASK | \
+			      PKT_TX_QINQ_PKT           | \
+			      PKT_TX_VLAN_PKT)
+
+#define QEDE_TX_OFFLOAD_NOTSUP_MASK \
+	(PKT_TX_OFFLOAD_MASK ^ QEDE_TX_OFFLOAD_MASK)
+
+/*
+ * RX BD descriptor ring
+ */
+struct qede_rx_entry {
+	struct rte_mbuf *mbuf;
+	uint32_t page_offset;
+	/* allows expansion .. */
+};
+
+/* TPA related structures */
+struct qede_agg_info {
+	struct rte_mbuf *tpa_head; /* Pointer to first TPA segment */
+	struct rte_mbuf *tpa_tail; /* Pointer to last TPA segment */
+};
+
+/*
+ * Structure associated with each RX queue.
+ */
+struct qede_rx_queue {
+	struct rte_mempool *mb_pool;
+	struct ecore_chain rx_bd_ring;
+	struct ecore_chain rx_comp_ring;
+	uint16_t *hw_cons_ptr;
+	void OSAL_IOMEM *hw_rxq_prod_addr;
+	struct qede_rx_entry *sw_rx_ring;
+	uint16_t sw_rx_cons;
+	uint16_t sw_rx_prod;
+	uint16_t nb_rx_desc;
+	uint16_t queue_id;
+	uint16_t port_id;
+	uint16_t rx_buf_size;
+	uint64_t rcv_pkts;
+	uint64_t rx_segs;
+	uint64_t rx_hw_errors;
+	uint64_t rx_alloc_errors;
+	struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM];
+	struct qede_dev *qdev;
+	void *handle;
+};
+
+/*
+ * TX BD descriptor ring
+ */
+struct qede_tx_entry {
+	struct rte_mbuf *mbuf;
+	uint8_t flags;
+};
+
+union db_prod {
+	struct eth_db_data data;
+	uint32_t raw;
+};
+
+struct qede_tx_queue {
+	struct ecore_chain tx_pbl;
+	struct qede_tx_entry *sw_tx_ring;
+	uint16_t nb_tx_desc;
+	uint16_t nb_tx_avail;
+	uint16_t tx_free_thresh;
+	uint16_t queue_id;
+	uint16_t *hw_cons_ptr;
+	uint16_t sw_tx_cons;
+	uint16_t sw_tx_prod;
+	void OSAL_IOMEM *doorbell_addr;
+	volatile union db_prod tx_db;
+	uint16_t port_id;
+	uint64_t xmit_pkts;
+	bool is_legacy;
+	struct qede_dev *qdev;
+	void *handle;
+};
+
+struct qede_fastpath {
+	struct qede_dev *qdev;
+	u8 type;
+	uint8_t id;
+	struct ecore_sb_info *sb_info;
+	struct qede_rx_queue *rxq;
+	struct qede_tx_queue *txqs[MAX_NUM_TC];
+	char name[80];
+};
+
+/*
+ * RX/TX function prototypes
+ */
+int qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
+			uint16_t nb_desc, unsigned int socket_id,
+			const struct rte_eth_rxconf *rx_conf,
+			struct rte_mempool *mp);
+
+int qede_tx_queue_setup(struct rte_eth_dev *dev,
+			uint16_t queue_idx,
+			uint16_t nb_desc,
+			unsigned int socket_id,
+			const struct rte_eth_txconf *tx_conf);
+
+void qede_rx_queue_release(void *rx_queue);
+
+void qede_tx_queue_release(void *tx_queue);
+
+int qede_dev_start(struct rte_eth_dev *eth_dev);
+
+void qede_dev_stop(struct rte_eth_dev *eth_dev);
+
+int qede_reset_fp_rings(struct qede_dev *qdev);
+
+void qede_free_fp_arrays(struct qede_dev *qdev);
+
+void qede_free_mem_load(struct rte_eth_dev *eth_dev);
+
+uint16_t qede_xmit_pkts(void *p_txq, struct rte_mbuf **tx_pkts,
+			uint16_t nb_pkts);
+
+uint16_t qede_xmit_prep_pkts(void *p_txq, struct rte_mbuf **tx_pkts,
+			     uint16_t nb_pkts);
+
+uint16_t qede_recv_pkts(void *p_rxq, struct rte_mbuf **rx_pkts,
+			uint16_t nb_pkts);
+
+uint16_t qede_rxtx_pkts_dummy(__rte_unused void *p_rxq,
+			      __rte_unused struct rte_mbuf **pkts,
+			      __rte_unused uint16_t nb_pkts);
+
+/* Fastpath resource alloc/dealloc helpers */
+int qede_alloc_fp_resc(struct qede_dev *qdev);
+
+void qede_dealloc_fp_resc(struct rte_eth_dev *eth_dev);
+
+#endif /* _QEDE_RXTX_H_ */