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-rw-r--r--src/plugins/dev_iavf/iavf.h215
1 files changed, 215 insertions, 0 deletions
diff --git a/src/plugins/dev_iavf/iavf.h b/src/plugins/dev_iavf/iavf.h
new file mode 100644
index 00000000000..7576fa9e048
--- /dev/null
+++ b/src/plugins/dev_iavf/iavf.h
@@ -0,0 +1,215 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright (c) 2023 Cisco Systems, Inc.
+ */
+
+#ifndef _IIAVF_H_
+#define _IIAVF_H_
+
+#include <vppinfra/clib.h>
+#include <vppinfra/error_bootstrap.h>
+#include <vppinfra/format.h>
+#include <vnet/vnet.h>
+#include <vnet/dev/dev.h>
+#include <dev_iavf/iavf_desc.h>
+#include <dev_iavf/virtchnl.h>
+
+#define IAVF_ITR_INT 250
+#define IAVF_RX_MAX_DESC_IN_CHAIN 5
+#define IAVF_MAX_RSS_KEY_SIZE 52
+#define IAVF_MAX_RSS_LUT_SIZE 64
+#define IIAVF_AQ_POLL_INTERVAL 0.2
+#define IIAVF_AQ_BUF_SIZE 4096
+
+typedef struct iavf_adminq_dma_mem iavf_adminq_dma_mem_t;
+
+typedef struct
+{
+ u8 adminq_active : 1;
+ void *bar0;
+
+ /* Admin queues */
+ iavf_adminq_dma_mem_t *aq_mem;
+ u16 atq_next_slot;
+ u16 arq_next_slot;
+ virtchnl_pf_event_t *events;
+
+} iavf_device_t;
+
+typedef struct
+{
+ u32 flow_id;
+ u16 next_index;
+ i16 buffer_advance;
+} iavf_flow_lookup_entry_t;
+
+typedef struct
+{
+ u8 admin_up : 1;
+ u8 flow_offload : 1;
+ iavf_flow_lookup_entry_t *flow_lookup_entries;
+ u32 vf_cap_flags;
+ u16 vsi_id;
+ u16 rss_key_size;
+ u16 rss_lut_size;
+ u16 num_qp;
+ u16 max_vectors;
+} iavf_port_t;
+
+typedef struct
+{
+ u32 *qtx_tail;
+ u32 *buffer_indices;
+ iavf_tx_desc_t *descs;
+ u16 next;
+ u16 n_enqueued;
+ u16 *rs_slots;
+ iavf_tx_desc_t *tmp_descs;
+ u32 *tmp_bufs;
+ u32 *ph_bufs;
+} iavf_txq_t;
+
+typedef struct
+{
+ u32 *qrx_tail;
+ u32 *buffer_indices;
+ iavf_rx_desc_t *descs;
+ u16 next;
+ u16 n_enqueued;
+} iavf_rxq_t;
+
+typedef struct
+{
+ u16 qid;
+ u16 next_index;
+ u32 hw_if_index;
+ u32 flow_id;
+ u64 qw1s[IAVF_RX_MAX_DESC_IN_CHAIN];
+} iavf_rx_trace_t;
+
+/* adminq.c */
+vnet_dev_rv_t iavf_aq_alloc (vlib_main_t *, vnet_dev_t *);
+void iavf_aq_init (vlib_main_t *, vnet_dev_t *);
+void iavf_aq_poll_on (vlib_main_t *, vnet_dev_t *);
+void iavf_aq_poll_off (vlib_main_t *, vnet_dev_t *);
+void iavf_aq_deinit (vlib_main_t *, vnet_dev_t *);
+void iavf_aq_free (vlib_main_t *, vnet_dev_t *);
+vnet_dev_rv_t iavf_aq_atq_enq (vlib_main_t *, vnet_dev_t *, iavf_aq_desc_t *,
+ const u8 *, u16, f64);
+int iavf_aq_arq_next_acq (vlib_main_t *, vnet_dev_t *, iavf_aq_desc_t **,
+ u8 **, f64);
+void iavf_aq_arq_next_rel (vlib_main_t *, vnet_dev_t *);
+format_function_t format_virtchnl_op_name;
+format_function_t format_virtchnl_status;
+
+/* format.c */
+format_function_t format_iavf_vf_cap_flags;
+format_function_t format_iavf_rx_trace;
+format_function_t format_iavf_port_status;
+format_function_t format_iavf_log;
+
+/* port.c */
+vnet_dev_rv_t iavf_port_init (vlib_main_t *, vnet_dev_port_t *);
+vnet_dev_rv_t iavf_port_start (vlib_main_t *, vnet_dev_port_t *);
+void iavf_port_stop (vlib_main_t *, vnet_dev_port_t *);
+vnet_dev_rv_t iavf_port_cfg_change (vlib_main_t *, vnet_dev_port_t *,
+ vnet_dev_port_cfg_change_req_t *);
+
+/* queue.c */
+vnet_dev_rv_t iavf_rx_queue_alloc (vlib_main_t *, vnet_dev_rx_queue_t *);
+vnet_dev_rv_t iavf_tx_queue_alloc (vlib_main_t *, vnet_dev_tx_queue_t *);
+vnet_dev_rv_t iavf_rx_queue_start (vlib_main_t *, vnet_dev_rx_queue_t *);
+vnet_dev_rv_t iavf_tx_queue_start (vlib_main_t *, vnet_dev_tx_queue_t *);
+void iavf_rx_queue_stop (vlib_main_t *, vnet_dev_rx_queue_t *);
+void iavf_tx_queue_stop (vlib_main_t *, vnet_dev_tx_queue_t *);
+void iavf_rx_queue_free (vlib_main_t *, vnet_dev_rx_queue_t *);
+void iavf_tx_queue_free (vlib_main_t *, vnet_dev_tx_queue_t *);
+
+/* counter.c */
+void iavf_port_poll_stats (vlib_main_t *, vnet_dev_port_t *);
+void iavf_port_add_counters (vlib_main_t *, vnet_dev_port_t *);
+
+/* inline funcs */
+
+static inline u32
+iavf_get_u32 (void *start, int offset)
+{
+ return *(u32 *) (((u8 *) start) + offset);
+}
+
+static inline void
+iavf_reg_write (iavf_device_t *ad, u32 addr, u32 val)
+{
+ __atomic_store_n ((u32 *) ((u8 *) ad->bar0 + addr), val, __ATOMIC_RELEASE);
+}
+
+static inline u32
+iavf_reg_read (iavf_device_t *ad, u32 addr)
+{
+ return __atomic_load_n ((u32 *) (ad->bar0 + addr), __ATOMIC_RELAXED);
+ ;
+}
+
+static inline void
+iavf_reg_flush (iavf_device_t *ad)
+{
+ iavf_reg_read (ad, VFGEN_RSTAT);
+ asm volatile("" ::: "memory");
+}
+
+#define log_debug(dev, f, ...) \
+ vlib_log (VLIB_LOG_LEVEL_DEBUG, iavf_log.class, "%U" f, format_iavf_log, \
+ (dev), __func__, ##__VA_ARGS__)
+#define log_info(dev, f, ...) \
+ vlib_log (VLIB_LOG_LEVEL_INFO, iavf_log.class, "%U: " f, \
+ format_vnet_dev_addr, (dev), ##__VA_ARGS__)
+#define log_notice(dev, f, ...) \
+ vlib_log (VLIB_LOG_LEVEL_NOTICE, iavf_log.class, "%U: " f, \
+ format_vnet_dev_addr, (dev), ##__VA_ARGS__)
+#define log_warn(dev, f, ...) \
+ vlib_log (VLIB_LOG_LEVEL_WARNING, iavf_log.class, "%U: " f, \
+ format_vnet_dev_addr, (dev), ##__VA_ARGS__)
+#define log_err(dev, f, ...) \
+ vlib_log (VLIB_LOG_LEVEL_ERR, iavf_log.class, "%U: " f, \
+ format_vnet_dev_addr, (dev), ##__VA_ARGS__)
+
+/* temp */
+#define IAVF_RX_VECTOR_SZ VLIB_FRAME_SIZE
+
+typedef struct
+{
+ u64 qw1s[IAVF_RX_MAX_DESC_IN_CHAIN - 1];
+ u32 buffers[IAVF_RX_MAX_DESC_IN_CHAIN - 1];
+} iavf_rx_tail_t;
+
+typedef struct
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ vlib_buffer_t *bufs[IAVF_RX_VECTOR_SZ];
+ u16 next[IAVF_RX_VECTOR_SZ];
+ u64 qw1s[IAVF_RX_VECTOR_SZ];
+ u32 flow_ids[IAVF_RX_VECTOR_SZ];
+ iavf_rx_tail_t tails[IAVF_RX_VECTOR_SZ];
+} iavf_rt_data_t;
+
+#define foreach_iavf_tx_node_counter \
+ _ (SEG_SZ_EXCEEDED, seg_sz_exceeded, ERROR, "segment size exceeded") \
+ _ (NO_FREE_SLOTS, no_free_slots, ERROR, "no free tx slots")
+
+typedef enum
+{
+#define _(f, n, s, d) IAVF_TX_NODE_CTR_##f,
+ foreach_iavf_tx_node_counter
+#undef _
+} iavf_tx_node_counter_t;
+
+#define foreach_iavf_rx_node_counter \
+ _ (BUFFER_ALLOC, buffer_alloc, ERROR, "buffer alloc error")
+
+typedef enum
+{
+#define _(f, n, s, d) IAVF_RX_NODE_CTR_##f,
+ foreach_iavf_rx_node_counter
+#undef _
+} iavf_rx_node_counter_t;
+
+#endif /* _IIAVF_H_ */