Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 275 insertions, 0 deletions

diff --git a/src/spdk/dpdk/drivers/net/iavf/iavf.h b/src/spdk/dpdk/drivers/net/iavf/iavf.h
new file mode 100644
index 000000000..9be8a2381
--- /dev/null
+++ b/src/spdk/dpdk/drivers/net/iavf/iavf.h
@@ -0,0 +1,275 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#ifndef _IAVF_ETHDEV_H_
+#define _IAVF_ETHDEV_H_
+
+#include <rte_kvargs.h>
+#include <iavf_prototype.h>
+#include <iavf_adminq_cmd.h>
+#include <iavf_type.h>
+
+#include "iavf_log.h"
+
+#define IAVF_AQ_LEN               32
+#define IAVF_AQ_BUF_SZ            4096
+#define IAVF_RESET_WAIT_CNT       50
+#define IAVF_BUF_SIZE_MIN         1024
+#define IAVF_FRAME_SIZE_MAX       9728
+#define IAVF_QUEUE_BASE_ADDR_UNIT 128
+
+#define IAVF_MAX_NUM_QUEUES       16
+
+#define IAVF_NUM_MACADDR_MAX      64
+
+#define IAVF_DEFAULT_RX_PTHRESH      8
+#define IAVF_DEFAULT_RX_HTHRESH      8
+#define IAVF_DEFAULT_RX_WTHRESH      0
+
+#define IAVF_DEFAULT_RX_FREE_THRESH  32
+
+#define IAVF_DEFAULT_TX_PTHRESH      32
+#define IAVF_DEFAULT_TX_HTHRESH      0
+#define IAVF_DEFAULT_TX_WTHRESH      0
+
+#define IAVF_DEFAULT_TX_FREE_THRESH  32
+#define IAVF_DEFAULT_TX_RS_THRESH 32
+
+#define IAVF_BASIC_OFFLOAD_CAPS  ( \
+	VF_BASE_MODE_OFFLOADS | \
+	VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
+	VIRTCHNL_VF_OFFLOAD_RX_POLLING)
+
+#define IAVF_RSS_OFFLOAD_ALL ( \
+	ETH_RSS_FRAG_IPV4 |         \
+	ETH_RSS_NONFRAG_IPV4_TCP |  \
+	ETH_RSS_NONFRAG_IPV4_UDP |  \
+	ETH_RSS_NONFRAG_IPV4_SCTP | \
+	ETH_RSS_NONFRAG_IPV4_OTHER)
+
+#define IAVF_MISC_VEC_ID                RTE_INTR_VEC_ZERO_OFFSET
+#define IAVF_RX_VEC_START               RTE_INTR_VEC_RXTX_OFFSET
+
+/* Default queue interrupt throttling time in microseconds */
+#define IAVF_ITR_INDEX_DEFAULT          0
+#define IAVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
+#define IAVF_QUEUE_ITR_INTERVAL_MAX     8160 /* 8160 us */
+
+/* The overhead from MTU to max frame size.
+ * Considering QinQ packet, the VLAN tag needs to be counted twice.
+ */
+#define IAVF_VLAN_TAG_SIZE               4
+#define IAVF_ETH_OVERHEAD \
+	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + IAVF_VLAN_TAG_SIZE * 2)
+
+#define IAVF_32_BIT_WIDTH (CHAR_BIT * 4)
+#define IAVF_48_BIT_WIDTH (CHAR_BIT * 6)
+#define IAVF_48_BIT_MASK  RTE_LEN2MASK(IAVF_48_BIT_WIDTH, uint64_t)
+
+#define IAVF_RX_DESC_EXT_STATUS_FLEXBH_MASK  0x03
+#define IAVF_RX_DESC_EXT_STATUS_FLEXBH_FD_ID 0x01
+
+struct iavf_adapter;
+struct iavf_rx_queue;
+struct iavf_tx_queue;
+
+/* Structure that defines a VSI, associated with a adapter. */
+struct iavf_vsi {
+	struct iavf_adapter *adapter; /* Backreference to associated adapter */
+	uint16_t vsi_id;
+	uint16_t nb_qps;         /* Number of queue pairs VSI can occupy */
+	uint16_t nb_used_qps;    /* Number of queue pairs VSI uses */
+	uint16_t max_macaddrs;   /* Maximum number of MAC addresses */
+	uint16_t base_vector;
+	uint16_t msix_intr;      /* The MSIX interrupt binds to VSI */
+	struct virtchnl_eth_stats eth_stats_offset;
+};
+
+struct rte_flow;
+TAILQ_HEAD(iavf_flow_list, rte_flow);
+
+struct iavf_flow_parser_node;
+TAILQ_HEAD(iavf_parser_list, iavf_flow_parser_node);
+
+struct iavf_fdir_conf {
+	struct virtchnl_fdir_add add_fltr;
+	struct virtchnl_fdir_del del_fltr;
+	uint64_t input_set;
+	uint32_t flow_id;
+	uint32_t mark_flag;
+};
+
+struct iavf_fdir_info {
+	struct iavf_fdir_conf conf;
+};
+
+/* TODO: is that correct to assume the max number to be 16 ?*/
+#define IAVF_MAX_MSIX_VECTORS   16
+
+/* Structure to store private data specific for VF instance. */
+struct iavf_info {
+	uint16_t num_queue_pairs;
+	uint16_t max_pkt_len; /* Maximum packet length */
+	uint16_t mac_num;     /* Number of MAC addresses */
+	bool promisc_unicast_enabled;
+	bool promisc_multicast_enabled;
+
+	struct virtchnl_version_info virtchnl_version;
+	struct virtchnl_vf_resource *vf_res; /* VF resource */
+	struct virtchnl_vsi_resource *vsi_res; /* LAN VSI */
+	uint64_t supported_rxdid;
+
+	volatile enum virtchnl_ops pend_cmd; /* pending command not finished */
+	uint32_t cmd_retval; /* return value of the cmd response from PF */
+	uint8_t *aq_resp; /* buffer to store the adminq response from PF */
+
+	/* Event from pf */
+	bool dev_closed;
+	bool link_up;
+	uint32_t link_speed;
+
+	struct iavf_vsi vsi;
+	bool vf_reset;
+	uint64_t flags;
+
+	uint8_t *rss_lut;
+	uint8_t *rss_key;
+	uint16_t nb_msix;   /* number of MSI-X interrupts on Rx */
+	uint16_t msix_base; /* msix vector base from */
+	/* queue bitmask for each vector */
+	uint16_t rxq_map[IAVF_MAX_MSIX_VECTORS];
+	struct iavf_flow_list flow_list;
+	rte_spinlock_t flow_ops_lock;
+	struct iavf_parser_list rss_parser_list;
+	struct iavf_parser_list dist_parser_list;
+
+	struct iavf_fdir_info fdir; /* flow director info */
+};
+
+#define IAVF_MAX_PKT_TYPE 1024
+
+/* Structure to store private data for each VF instance. */
+struct iavf_adapter {
+	struct iavf_hw hw;
+	struct rte_eth_dev *eth_dev;
+	struct iavf_info vf;
+
+	bool rx_bulk_alloc_allowed;
+	/* For vector PMD */
+	bool rx_vec_allowed;
+	bool tx_vec_allowed;
+	const uint32_t *ptype_tbl;
+	bool stopped;
+	uint16_t fdir_ref_cnt;
+};
+
+/* IAVF_DEV_PRIVATE_TO */
+#define IAVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
+	((struct iavf_adapter *)adapter)
+#define IAVF_DEV_PRIVATE_TO_VF(adapter) \
+	(&((struct iavf_adapter *)adapter)->vf)
+#define IAVF_DEV_PRIVATE_TO_HW(adapter) \
+	(&((struct iavf_adapter *)adapter)->hw)
+
+/* IAVF_VSI_TO */
+#define IAVF_VSI_TO_HW(vsi) \
+	(&(((struct iavf_vsi *)vsi)->adapter->hw))
+#define IAVF_VSI_TO_VF(vsi) \
+	(&(((struct iavf_vsi *)vsi)->adapter->vf))
+#define IAVF_VSI_TO_ETH_DEV(vsi) \
+	(((struct iavf_vsi *)vsi)->adapter->eth_dev)
+
+static inline void
+iavf_init_adminq_parameter(struct iavf_hw *hw)
+{
+	hw->aq.num_arq_entries = IAVF_AQ_LEN;
+	hw->aq.num_asq_entries = IAVF_AQ_LEN;
+	hw->aq.arq_buf_size = IAVF_AQ_BUF_SZ;
+	hw->aq.asq_buf_size = IAVF_AQ_BUF_SZ;
+}
+
+static inline uint16_t
+iavf_calc_itr_interval(int16_t interval)
+{
+	if (interval < 0 || interval > IAVF_QUEUE_ITR_INTERVAL_MAX)
+		interval = IAVF_QUEUE_ITR_INTERVAL_DEFAULT;
+
+	/* Convert to hardware count, as writing each 1 represents 2 us */
+	return interval / 2;
+}
+
+/* structure used for sending and checking response of virtchnl ops */
+struct iavf_cmd_info {
+	enum virtchnl_ops ops;
+	uint8_t *in_args;       /* buffer for sending */
+	uint32_t in_args_size;  /* buffer size for sending */
+	uint8_t *out_buffer;    /* buffer for response */
+	uint32_t out_size;      /* buffer size for response */
+};
+
+/* notify current command done. Only call in case execute
+ * _atomic_set_cmd successfully.
+ */
+static inline void
+_notify_cmd(struct iavf_info *vf, uint32_t msg_ret)
+{
+	vf->cmd_retval = msg_ret;
+	rte_wmb();
+	vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
+}
+
+/* clear current command. Only call in case execute
+ * _atomic_set_cmd successfully.
+ */
+static inline void
+_clear_cmd(struct iavf_info *vf)
+{
+	rte_wmb();
+	vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
+	vf->cmd_retval = VIRTCHNL_STATUS_SUCCESS;
+}
+
+/* Check there is pending cmd in execution. If none, set new command. */
+static inline int
+_atomic_set_cmd(struct iavf_info *vf, enum virtchnl_ops ops)
+{
+	int ret = rte_atomic32_cmpset(&vf->pend_cmd, VIRTCHNL_OP_UNKNOWN, ops);
+
+	if (!ret)
+		PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
+
+	return !ret;
+}
+
+int iavf_check_api_version(struct iavf_adapter *adapter);
+int iavf_get_vf_resource(struct iavf_adapter *adapter);
+void iavf_handle_virtchnl_msg(struct rte_eth_dev *dev);
+int iavf_enable_vlan_strip(struct iavf_adapter *adapter);
+int iavf_disable_vlan_strip(struct iavf_adapter *adapter);
+int iavf_switch_queue(struct iavf_adapter *adapter, uint16_t qid,
+		     bool rx, bool on);
+int iavf_enable_queues(struct iavf_adapter *adapter);
+int iavf_disable_queues(struct iavf_adapter *adapter);
+int iavf_configure_rss_lut(struct iavf_adapter *adapter);
+int iavf_configure_rss_key(struct iavf_adapter *adapter);
+int iavf_configure_queues(struct iavf_adapter *adapter);
+int iavf_get_supported_rxdid(struct iavf_adapter *adapter);
+int iavf_config_irq_map(struct iavf_adapter *adapter);
+void iavf_add_del_all_mac_addr(struct iavf_adapter *adapter, bool add);
+int iavf_dev_link_update(struct rte_eth_dev *dev,
+			__rte_unused int wait_to_complete);
+int iavf_query_stats(struct iavf_adapter *adapter,
+		    struct virtchnl_eth_stats **pstats);
+int iavf_config_promisc(struct iavf_adapter *adapter, bool enable_unicast,
+		       bool enable_multicast);
+int iavf_add_del_eth_addr(struct iavf_adapter *adapter,
+			 struct rte_ether_addr *addr, bool add);
+int iavf_add_del_vlan(struct iavf_adapter *adapter, uint16_t vlanid, bool add);
+int iavf_fdir_add(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
+int iavf_fdir_del(struct iavf_adapter *adapter, struct iavf_fdir_conf *filter);
+int iavf_fdir_check(struct iavf_adapter *adapter,
+		struct iavf_fdir_conf *filter);
+int iavf_add_del_rss_cfg(struct iavf_adapter *adapter,
+			 struct virtchnl_rss_cfg *rss_cfg, bool add);
+#endif /* _IAVF_ETHDEV_H_ */