f513f62059
Signed-off-by: Sachin Saxena <sachin.saxena@nxp.com> Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
157 lines
3.3 KiB
C
157 lines
3.3 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2018-2019 NXP
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*/
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#ifndef _PFE_HIF_H_
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#define _PFE_HIF_H_
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#define HIF_CLIENT_QUEUES_MAX 16
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#define HIF_RX_PKT_MIN_SIZE RTE_CACHE_LINE_SIZE
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/*
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* HIF_TX_DESC_NT value should be always greter than 4,
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* Otherwise HIF_TX_POLL_MARK will become zero.
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*/
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#define HIF_RX_DESC_NT 64
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#define HIF_TX_DESC_NT 2048
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#define HIF_FIRST_BUFFER BIT(0)
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#define HIF_LAST_BUFFER BIT(1)
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#define HIF_DONT_DMA_MAP BIT(2)
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#define HIF_DATA_VALID BIT(3)
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#define HIF_TSO BIT(4)
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enum {
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PFE_CL_GEM0 = 0,
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PFE_CL_GEM1,
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HIF_CLIENTS_MAX
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};
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/*structure to store client queue info */
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struct hif_rx_queue {
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struct rx_queue_desc *base;
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u32 size;
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u32 write_idx;
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};
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struct hif_tx_queue {
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struct tx_queue_desc *base;
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u32 size;
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u32 ack_idx;
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};
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/*Structure to store the client info */
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struct hif_client {
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unsigned int rx_qn;
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struct hif_rx_queue rx_q[HIF_CLIENT_QUEUES_MAX];
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unsigned int tx_qn;
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struct hif_tx_queue tx_q[HIF_CLIENT_QUEUES_MAX];
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};
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/*HIF hardware buffer descriptor */
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struct hif_desc {
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u32 ctrl;
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u32 status;
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u32 data;
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u32 next;
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};
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struct __hif_desc {
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u32 ctrl;
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u32 status;
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u32 data;
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};
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struct hif_desc_sw {
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dma_addr_t data;
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u16 len;
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u8 client_id;
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u8 q_no;
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u16 flags;
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};
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struct hif_hdr {
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u8 client_id;
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u8 q_num;
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u16 client_ctrl;
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u16 client_ctrl1;
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};
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struct __hif_hdr {
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union {
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struct hif_hdr hdr;
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u32 word[2];
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};
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};
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struct hif_ipsec_hdr {
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u16 sa_handle[2];
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} __packed;
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struct pfe_parse {
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unsigned int packet_type;
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uint16_t hash;
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uint16_t parse_incomplete;
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unsigned long long ol_flags;
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};
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/* HIF_CTRL_TX... defines */
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#define HIF_CTRL_TX_CHECKSUM BIT(2)
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/* HIF_CTRL_RX... defines */
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#define HIF_CTRL_RX_OFFSET_OFST (24)
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#define HIF_CTRL_RX_CHECKSUMMED BIT(2)
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#define HIF_CTRL_RX_CONTINUED BIT(1)
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struct pfe_hif {
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/* To store registered clients in hif layer */
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struct hif_client client[HIF_CLIENTS_MAX];
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struct hif_shm *shm;
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void *descr_baseaddr_v;
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unsigned long descr_baseaddr_p;
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struct hif_desc *rx_base;
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u32 rx_ring_size;
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u32 rxtoclean_index;
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void *rx_buf_addr[HIF_RX_DESC_NT];
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void *rx_buf_vaddr[HIF_RX_DESC_NT];
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int rx_buf_len[HIF_RX_DESC_NT];
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unsigned int qno;
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unsigned int client_id;
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unsigned int client_ctrl;
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unsigned int started;
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unsigned int setuped;
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struct hif_desc *tx_base;
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u32 tx_ring_size;
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u32 txtosend;
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u32 txtoclean;
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u32 txavail;
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u32 txtoflush;
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struct hif_desc_sw tx_sw_queue[HIF_TX_DESC_NT];
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int32_t epoll_fd; /**< File descriptor created for interrupt polling */
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/* tx_lock synchronizes hif packet tx as well as pfe_hif structure access */
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rte_spinlock_t tx_lock;
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/* lock synchronizes hif rx queue processing */
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rte_spinlock_t lock;
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struct rte_device *dev;
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};
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void hif_xmit_pkt(struct pfe_hif *hif, unsigned int client_id, unsigned int
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q_no, void *data, u32 len, unsigned int flags);
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void hif_process_client_req(struct pfe_hif *hif, int req, int data1, int
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data2);
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int pfe_hif_init(struct pfe *pfe);
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void pfe_hif_exit(struct pfe *pfe);
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void pfe_hif_rx_idle(struct pfe_hif *hif);
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int pfe_hif_rx_process(struct pfe *pfe, int budget);
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int pfe_hif_init_buffers(struct pfe_hif *hif);
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void pfe_tx_do_cleanup(struct pfe *pfe);
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#define __memcpy8(dst, src) memcpy(dst, src, 8)
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#define __memcpy12(dst, src) memcpy(dst, src, 12)
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#define __memcpy(dst, src, len) memcpy(dst, src, len)
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#endif /* _PFE_HIF_H_ */
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