New upstream version 18.02upstream/18.02

Change-Id: I89ed24cb2a49b78fe5be6970b99dd46c1499fcc3
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 216 insertions, 0 deletions

diff --git a/drivers/net/avf/avf.h b/drivers/net/avf/avf.h
new file mode 100644
index 00000000..dcf8d1c7
--- /dev/null
+++ b/drivers/net/avf/avf.h
@@ -0,0 +1,216 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017 Intel Corporation
+ */
+
+#ifndef _AVF_ETHDEV_H_
+#define _AVF_ETHDEV_H_
+
+#include <rte_kvargs.h>
+
+#define AVF_AQ_LEN               32
+#define AVF_AQ_BUF_SZ            4096
+#define AVF_RESET_WAIT_CNT       50
+#define AVF_BUF_SIZE_MIN         1024
+#define AVF_FRAME_SIZE_MAX       9728
+#define AVF_QUEUE_BASE_ADDR_UNIT 128
+
+#define AVF_MAX_NUM_QUEUES       16
+
+#define AVF_NUM_MACADDR_MAX      64
+
+#define AVF_DEFAULT_RX_PTHRESH      8
+#define AVF_DEFAULT_RX_HTHRESH      8
+#define AVF_DEFAULT_RX_WTHRESH      0
+
+#define AVF_DEFAULT_RX_FREE_THRESH  32
+
+#define AVF_DEFAULT_TX_PTHRESH      32
+#define AVF_DEFAULT_TX_HTHRESH      0
+#define AVF_DEFAULT_TX_WTHRESH      0
+
+#define AVF_DEFAULT_TX_FREE_THRESH  32
+#define AVF_DEFAULT_TX_RS_THRESH 32
+
+#define AVF_BASIC_OFFLOAD_CAPS  ( \
+	VF_BASE_MODE_OFFLOADS | \
+	VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | \
+	VIRTCHNL_VF_OFFLOAD_RX_POLLING)
+
+#define AVF_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 AVF_MISC_VEC_ID                RTE_INTR_VEC_ZERO_OFFSET
+#define AVF_RX_VEC_START               RTE_INTR_VEC_RXTX_OFFSET
+
+/* Default queue interrupt throttling time in microseconds */
+#define AVF_ITR_INDEX_DEFAULT          0
+#define AVF_QUEUE_ITR_INTERVAL_DEFAULT 32 /* 32 us */
+#define AVF_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 AVF_VLAN_TAG_SIZE               4
+#define AVF_ETH_OVERHEAD \
+	(ETHER_HDR_LEN + ETHER_CRC_LEN + AVF_VLAN_TAG_SIZE * 2)
+
+struct avf_adapter;
+struct avf_rx_queue;
+struct avf_tx_queue;
+
+/* Structure that defines a VSI, associated with a adapter. */
+struct avf_vsi {
+	struct avf_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 */
+};
+
+/* TODO: is that correct to assume the max number to be 16 ?*/
+#define AVF_MAX_MSIX_VECTORS   16
+
+/* Structure to store private data specific for VF instance. */
+struct avf_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 */
+
+	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;
+	enum virtchnl_link_speed link_speed;
+
+	struct avf_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[AVF_MAX_MSIX_VECTORS];
+};
+
+#define AVF_MAX_PKT_TYPE 256
+
+/* Structure to store private data for each VF instance. */
+struct avf_adapter {
+	struct avf_hw hw;
+	struct rte_eth_dev *eth_dev;
+	struct avf_info vf;
+
+	bool rx_bulk_alloc_allowed;
+	/* For vector PMD */
+	bool rx_vec_allowed;
+	bool tx_vec_allowed;
+};
+
+/* AVF_DEV_PRIVATE_TO */
+#define AVF_DEV_PRIVATE_TO_ADAPTER(adapter) \
+	((struct avf_adapter *)adapter)
+#define AVF_DEV_PRIVATE_TO_VF(adapter) \
+	(&((struct avf_adapter *)adapter)->vf)
+#define AVF_DEV_PRIVATE_TO_HW(adapter) \
+	(&((struct avf_adapter *)adapter)->hw)
+
+/* AVF_VSI_TO */
+#define AVF_VSI_TO_HW(vsi) \
+	(&(((struct avf_vsi *)vsi)->adapter->hw))
+#define AVF_VSI_TO_VF(vsi) \
+	(&(((struct avf_vsi *)vsi)->adapter->vf))
+#define AVF_VSI_TO_ETH_DEV(vsi) \
+	(((struct avf_vsi *)vsi)->adapter->eth_dev)
+
+static inline void
+avf_init_adminq_parameter(struct avf_hw *hw)
+{
+	hw->aq.num_arq_entries = AVF_AQ_LEN;
+	hw->aq.num_asq_entries = AVF_AQ_LEN;
+	hw->aq.arq_buf_size = AVF_AQ_BUF_SZ;
+	hw->aq.asq_buf_size = AVF_AQ_BUF_SZ;
+}
+
+static inline uint16_t
+avf_calc_itr_interval(int16_t interval)
+{
+	if (interval < 0 || interval > AVF_QUEUE_ITR_INTERVAL_MAX)
+		interval = AVF_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 avf_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 */
+};
+
+/* clear current command. Only call in case execute
+ * _atomic_set_cmd successfully.
+ */
+static inline void
+_clear_cmd(struct avf_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 avf_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 avf_check_api_version(struct avf_adapter *adapter);
+int avf_get_vf_resource(struct avf_adapter *adapter);
+void avf_handle_virtchnl_msg(struct rte_eth_dev *dev);
+int avf_enable_vlan_strip(struct avf_adapter *adapter);
+int avf_disable_vlan_strip(struct avf_adapter *adapter);
+int avf_switch_queue(struct avf_adapter *adapter, uint16_t qid,
+		     bool rx, bool on);
+int avf_enable_queues(struct avf_adapter *adapter);
+int avf_disable_queues(struct avf_adapter *adapter);
+int avf_configure_rss_lut(struct avf_adapter *adapter);
+int avf_configure_rss_key(struct avf_adapter *adapter);
+int avf_configure_queues(struct avf_adapter *adapter);
+int avf_config_irq_map(struct avf_adapter *adapter);
+void avf_add_del_all_mac_addr(struct avf_adapter *adapter, bool add);
+int avf_dev_link_update(struct rte_eth_dev *dev,
+			__rte_unused int wait_to_complete);
+int avf_query_stats(struct avf_adapter *adapter,
+		    struct virtchnl_eth_stats **pstats);
+int avf_config_promisc(struct avf_adapter *adapter, bool enable_unicast,
+		       bool enable_multicast);
+int avf_add_del_eth_addr(struct avf_adapter *adapter,
+			 struct ether_addr *addr, bool add);
+int avf_add_del_vlan(struct avf_adapter *adapter, uint16_t vlanid, bool add);
+#endif /* _AVF_ETHDEV_H_ */