diff options
author | 2017-05-16 14:51:32 +0200 | |
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committer | 2017-05-16 16:20:45 +0200 | |
commit | 7595afa4d30097c1177b69257118d8ad89a539be (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/liquidio/lio_rxtx.h | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Change-Id: Id1e419c5a214e4a18739663b91f0f9a549f1fdc6
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/liquidio/lio_rxtx.h')
-rw-r--r-- | drivers/net/liquidio/lio_rxtx.h | 769 |
1 files changed, 769 insertions, 0 deletions
diff --git a/drivers/net/liquidio/lio_rxtx.h b/drivers/net/liquidio/lio_rxtx.h new file mode 100644 index 00000000..85685dc7 --- /dev/null +++ b/drivers/net/liquidio/lio_rxtx.h @@ -0,0 +1,769 @@ +/* + * BSD LICENSE + * + * Copyright(c) 2017 Cavium, Inc.. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Cavium, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _LIO_RXTX_H_ +#define _LIO_RXTX_H_ + +#include <stdio.h> +#include <stdint.h> + +#include <rte_spinlock.h> +#include <rte_memory.h> + +#include "lio_struct.h" + +#ifndef ROUNDUP4 +#define ROUNDUP4(val) (((val) + 3) & 0xfffffffc) +#endif + +#define LIO_STQUEUE_FIRST_ENTRY(ptr, type, elem) \ + (type *)((char *)((ptr)->stqh_first) - offsetof(type, elem)) + +#define lio_check_timeout(cur_time, chk_time) ((cur_time) > (chk_time)) + +#define lio_uptime \ + (size_t)(rte_get_timer_cycles() / rte_get_timer_hz()) + +/** Descriptor format. + * The descriptor ring is made of descriptors which have 2 64-bit values: + * -# Physical (bus) address of the data buffer. + * -# Physical (bus) address of a lio_droq_info structure. + * The device DMA's incoming packets and its information at the address + * given by these descriptor fields. + */ +struct lio_droq_desc { + /** The buffer pointer */ + uint64_t buffer_ptr; + + /** The Info pointer */ + uint64_t info_ptr; +}; + +#define LIO_DROQ_DESC_SIZE (sizeof(struct lio_droq_desc)) + +/** Information about packet DMA'ed by Octeon. + * The format of the information available at Info Pointer after Octeon + * has posted a packet. Not all descriptors have valid information. Only + * the Info field of the first descriptor for a packet has information + * about the packet. + */ +struct lio_droq_info { + /** The Output Receive Header. */ + union octeon_rh rh; + + /** The Length of the packet. */ + uint64_t length; +}; + +#define LIO_DROQ_INFO_SIZE (sizeof(struct lio_droq_info)) + +/** Pointer to data buffer. + * Driver keeps a pointer to the data buffer that it made available to + * the Octeon device. Since the descriptor ring keeps physical (bus) + * addresses, this field is required for the driver to keep track of + * the virtual address pointers. + */ +struct lio_recv_buffer { + /** Packet buffer, including meta data. */ + void *buffer; + + /** Data in the packet buffer. */ + uint8_t *data; + +}; + +#define LIO_DROQ_RECVBUF_SIZE (sizeof(struct lio_recv_buffer)) + +#define LIO_DROQ_SIZE (sizeof(struct lio_droq)) + +#define LIO_IQ_SEND_OK 0 +#define LIO_IQ_SEND_STOP 1 +#define LIO_IQ_SEND_FAILED -1 + +/* conditions */ +#define LIO_REQTYPE_NONE 0 +#define LIO_REQTYPE_NORESP_NET 1 +#define LIO_REQTYPE_NORESP_NET_SG 2 +#define LIO_REQTYPE_SOFT_COMMAND 3 + +struct lio_request_list { + uint32_t reqtype; + void *buf; +}; + +/*---------------------- INSTRUCTION FORMAT ----------------------------*/ + +struct lio_instr3_64B { + /** Pointer where the input data is available. */ + uint64_t dptr; + + /** Instruction Header. */ + uint64_t ih3; + + /** Instruction Header. */ + uint64_t pki_ih3; + + /** Input Request Header. */ + uint64_t irh; + + /** opcode/subcode specific parameters */ + uint64_t ossp[2]; + + /** Return Data Parameters */ + uint64_t rdp; + + /** Pointer where the response for a RAW mode packet will be written + * by Octeon. + */ + uint64_t rptr; + +}; + +union lio_instr_64B { + struct lio_instr3_64B cmd3; +}; + +/** The size of each buffer in soft command buffer pool */ +#define LIO_SOFT_COMMAND_BUFFER_SIZE 1536 + +/** Maximum number of buffers to allocate into soft command buffer pool */ +#define LIO_MAX_SOFT_COMMAND_BUFFERS 255 + +struct lio_soft_command { + /** Soft command buffer info. */ + struct lio_stailq_node node; + uint64_t dma_addr; + uint32_t size; + + /** Command and return status */ + union lio_instr_64B cmd; + +#define LIO_COMPLETION_WORD_INIT 0xffffffffffffffffULL + uint64_t *status_word; + + /** Data buffer info */ + void *virtdptr; + uint64_t dmadptr; + uint32_t datasize; + + /** Return buffer info */ + void *virtrptr; + uint64_t dmarptr; + uint32_t rdatasize; + + /** Context buffer info */ + void *ctxptr; + uint32_t ctxsize; + + /** Time out and callback */ + size_t wait_time; + size_t timeout; + uint32_t iq_no; + void (*callback)(uint32_t, void *); + void *callback_arg; + struct rte_mbuf *mbuf; +}; + +struct lio_iq_post_status { + int status; + int index; +}; + +/* wqe + * --------------- 0 + * | wqe word0-3 | + * --------------- 32 + * | PCI IH | + * --------------- 40 + * | RPTR | + * --------------- 48 + * | PCI IRH | + * --------------- 56 + * | OCTEON_CMD | + * --------------- 64 + * | Addtl 8-BData | + * | | + * --------------- + */ + +union octeon_cmd { + uint64_t cmd64; + + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t cmd : 5; + + uint64_t more : 6; /* How many udd words follow the command */ + + uint64_t reserved : 29; + + uint64_t param1 : 16; + + uint64_t param2 : 8; + +#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + + uint64_t param2 : 8; + + uint64_t param1 : 16; + + uint64_t reserved : 29; + + uint64_t more : 6; + + uint64_t cmd : 5; + +#endif + } s; +}; + +#define OCTEON_CMD_SIZE (sizeof(union octeon_cmd)) + +/* Maximum number of 8-byte words can be + * sent in a NIC control message. + */ +#define LIO_MAX_NCTRL_UDD 32 + +/* Structure of control information passed by driver to the BASE + * layer when sending control commands to Octeon device software. + */ +struct lio_ctrl_pkt { + /** Command to be passed to the Octeon device software. */ + union octeon_cmd ncmd; + + /** Send buffer */ + void *data; + uint64_t dmadata; + + /** Response buffer */ + void *rdata; + uint64_t dmardata; + + /** Additional data that may be needed by some commands. */ + uint64_t udd[LIO_MAX_NCTRL_UDD]; + + /** Input queue to use to send this command. */ + uint64_t iq_no; + + /** Time to wait for Octeon software to respond to this control command. + * If wait_time is 0, BASE assumes no response is expected. + */ + size_t wait_time; + + struct lio_dev_ctrl_cmd *ctrl_cmd; +}; + +/** Structure of data information passed by driver to the BASE + * layer when forwarding data to Octeon device software. + */ +struct lio_data_pkt { + /** Pointer to information maintained by NIC module for this packet. The + * BASE layer passes this as-is to the driver. + */ + void *buf; + + /** Type of buffer passed in "buf" above. */ + uint32_t reqtype; + + /** Total data bytes to be transferred in this command. */ + uint32_t datasize; + + /** Command to be passed to the Octeon device software. */ + union lio_instr_64B cmd; + + /** Input queue to use to send this command. */ + uint32_t q_no; +}; + +/** Structure passed by driver to BASE layer to prepare a command to send + * network data to Octeon. + */ +union lio_cmd_setup { + struct { + uint32_t iq_no : 8; + uint32_t gather : 1; + uint32_t timestamp : 1; + uint32_t ip_csum : 1; + uint32_t transport_csum : 1; + uint32_t tnl_csum : 1; + uint32_t rsvd : 19; + + union { + uint32_t datasize; + uint32_t gatherptrs; + } u; + } s; + + uint64_t cmd_setup64; +}; + +/* Instruction Header */ +struct octeon_instr_ih3 { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + + /** Reserved3 */ + uint64_t reserved3 : 1; + + /** Gather indicator 1=gather*/ + uint64_t gather : 1; + + /** Data length OR no. of entries in gather list */ + uint64_t dlengsz : 14; + + /** Front Data size */ + uint64_t fsz : 6; + + /** Reserved2 */ + uint64_t reserved2 : 4; + + /** PKI port kind - PKIND */ + uint64_t pkind : 6; + + /** Reserved1 */ + uint64_t reserved1 : 32; + +#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + /** Reserved1 */ + uint64_t reserved1 : 32; + + /** PKI port kind - PKIND */ + uint64_t pkind : 6; + + /** Reserved2 */ + uint64_t reserved2 : 4; + + /** Front Data size */ + uint64_t fsz : 6; + + /** Data length OR no. of entries in gather list */ + uint64_t dlengsz : 14; + + /** Gather indicator 1=gather*/ + uint64_t gather : 1; + + /** Reserved3 */ + uint64_t reserved3 : 1; + +#endif +}; + +/* PKI Instruction Header(PKI IH) */ +struct octeon_instr_pki_ih3 { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + + /** Wider bit */ + uint64_t w : 1; + + /** Raw mode indicator 1 = RAW */ + uint64_t raw : 1; + + /** Use Tag */ + uint64_t utag : 1; + + /** Use QPG */ + uint64_t uqpg : 1; + + /** Reserved2 */ + uint64_t reserved2 : 1; + + /** Parse Mode */ + uint64_t pm : 3; + + /** Skip Length */ + uint64_t sl : 8; + + /** Use Tag Type */ + uint64_t utt : 1; + + /** Tag type */ + uint64_t tagtype : 2; + + /** Reserved1 */ + uint64_t reserved1 : 2; + + /** QPG Value */ + uint64_t qpg : 11; + + /** Tag Value */ + uint64_t tag : 32; + +#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + + /** Tag Value */ + uint64_t tag : 32; + + /** QPG Value */ + uint64_t qpg : 11; + + /** Reserved1 */ + uint64_t reserved1 : 2; + + /** Tag type */ + uint64_t tagtype : 2; + + /** Use Tag Type */ + uint64_t utt : 1; + + /** Skip Length */ + uint64_t sl : 8; + + /** Parse Mode */ + uint64_t pm : 3; + + /** Reserved2 */ + uint64_t reserved2 : 1; + + /** Use QPG */ + uint64_t uqpg : 1; + + /** Use Tag */ + uint64_t utag : 1; + + /** Raw mode indicator 1 = RAW */ + uint64_t raw : 1; + + /** Wider bit */ + uint64_t w : 1; +#endif +}; + +/** Input Request Header */ +struct octeon_instr_irh { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t opcode : 4; + uint64_t rflag : 1; + uint64_t subcode : 7; + uint64_t vlan : 12; + uint64_t priority : 3; + uint64_t reserved : 5; + uint64_t ossp : 32; /* opcode/subcode specific parameters */ +#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + uint64_t ossp : 32; /* opcode/subcode specific parameters */ + uint64_t reserved : 5; + uint64_t priority : 3; + uint64_t vlan : 12; + uint64_t subcode : 7; + uint64_t rflag : 1; + uint64_t opcode : 4; +#endif +}; + +/* pkiih3 + irh + ossp[0] + ossp[1] + rdp + rptr = 40 bytes */ +#define OCTEON_SOFT_CMD_RESP_IH3 (40 + 8) +/* pki_h3 + irh + ossp[0] + ossp[1] = 32 bytes */ +#define OCTEON_PCI_CMD_O3 (24 + 8) + +/** Return Data Parameters */ +struct octeon_instr_rdp { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint64_t reserved : 49; + uint64_t pcie_port : 3; + uint64_t rlen : 12; +#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + uint64_t rlen : 12; + uint64_t pcie_port : 3; + uint64_t reserved : 49; +#endif +}; + +union octeon_packet_params { + uint32_t pkt_params32; + struct { +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + uint32_t reserved : 24; + uint32_t ip_csum : 1; /* Perform IP header checksum(s) */ + /* Perform Outer transport header checksum */ + uint32_t transport_csum : 1; + /* Find tunnel, and perform transport csum. */ + uint32_t tnl_csum : 1; + uint32_t tsflag : 1; /* Timestamp this packet */ + uint32_t ipsec_ops : 4; /* IPsec operation */ +#else + uint32_t ipsec_ops : 4; + uint32_t tsflag : 1; + uint32_t tnl_csum : 1; + uint32_t transport_csum : 1; + uint32_t ip_csum : 1; + uint32_t reserved : 7; +#endif + } s; +}; + +/** Utility function to prepare a 64B NIC instruction based on a setup command + * @param cmd - pointer to instruction to be filled in. + * @param setup - pointer to the setup structure + * @param q_no - which queue for back pressure + * + * Assumes the cmd instruction is pre-allocated, but no fields are filled in. + */ +static inline void +lio_prepare_pci_cmd(struct lio_device *lio_dev, + union lio_instr_64B *cmd, + union lio_cmd_setup *setup, + uint32_t tag) +{ + union octeon_packet_params packet_params; + struct octeon_instr_pki_ih3 *pki_ih3; + struct octeon_instr_irh *irh; + struct octeon_instr_ih3 *ih3; + int port; + + memset(cmd, 0, sizeof(union lio_instr_64B)); + + ih3 = (struct octeon_instr_ih3 *)&cmd->cmd3.ih3; + pki_ih3 = (struct octeon_instr_pki_ih3 *)&cmd->cmd3.pki_ih3; + + /* assume that rflag is cleared so therefore front data will only have + * irh and ossp[1] and ossp[2] for a total of 24 bytes + */ + ih3->pkind = lio_dev->instr_queue[setup->s.iq_no]->txpciq.s.pkind; + /* PKI IH */ + ih3->fsz = OCTEON_PCI_CMD_O3; + + if (!setup->s.gather) { + ih3->dlengsz = setup->s.u.datasize; + } else { + ih3->gather = 1; + ih3->dlengsz = setup->s.u.gatherptrs; + } + + pki_ih3->w = 1; + pki_ih3->raw = 0; + pki_ih3->utag = 0; + pki_ih3->utt = 1; + pki_ih3->uqpg = lio_dev->instr_queue[setup->s.iq_no]->txpciq.s.use_qpg; + + port = (int)lio_dev->instr_queue[setup->s.iq_no]->txpciq.s.port; + + if (tag) + pki_ih3->tag = tag; + else + pki_ih3->tag = LIO_DATA(port); + + pki_ih3->tagtype = OCTEON_ORDERED_TAG; + pki_ih3->qpg = lio_dev->instr_queue[setup->s.iq_no]->txpciq.s.qpg; + pki_ih3->pm = 0x0; /* parse from L2 */ + pki_ih3->sl = 32; /* sl will be sizeof(pki_ih3) + irh + ossp0 + ossp1*/ + + irh = (struct octeon_instr_irh *)&cmd->cmd3.irh; + + irh->opcode = LIO_OPCODE; + irh->subcode = LIO_OPCODE_NW_DATA; + + packet_params.pkt_params32 = 0; + packet_params.s.ip_csum = setup->s.ip_csum; + packet_params.s.transport_csum = setup->s.transport_csum; + packet_params.s.tnl_csum = setup->s.tnl_csum; + packet_params.s.tsflag = setup->s.timestamp; + + irh->ossp = packet_params.pkt_params32; +} + +int lio_setup_sc_buffer_pool(struct lio_device *lio_dev); +void lio_free_sc_buffer_pool(struct lio_device *lio_dev); + +struct lio_soft_command * +lio_alloc_soft_command(struct lio_device *lio_dev, + uint32_t datasize, uint32_t rdatasize, + uint32_t ctxsize); +void lio_prepare_soft_command(struct lio_device *lio_dev, + struct lio_soft_command *sc, + uint8_t opcode, uint8_t subcode, + uint32_t irh_ossp, uint64_t ossp0, + uint64_t ossp1); +int lio_send_soft_command(struct lio_device *lio_dev, + struct lio_soft_command *sc); +void lio_free_soft_command(struct lio_soft_command *sc); + +/** Send control packet to the device + * @param lio_dev - lio device pointer + * @param nctrl - control structure with command, timeout, and callback info + * + * @returns IQ_FAILED if it failed to add to the input queue. IQ_STOP if it the + * queue should be stopped, and LIO_IQ_SEND_OK if it sent okay. + */ +int lio_send_ctrl_pkt(struct lio_device *lio_dev, + struct lio_ctrl_pkt *ctrl_pkt); + +/** Maximum ordered requests to process in every invocation of + * lio_process_ordered_list(). The function will continue to process requests + * as long as it can find one that has finished processing. If it keeps + * finding requests that have completed, the function can run for ever. The + * value defined here sets an upper limit on the number of requests it can + * process before it returns control to the poll thread. + */ +#define LIO_MAX_ORD_REQS_TO_PROCESS 4096 + +/** Error codes used in Octeon Host-Core communication. + * + * 31 16 15 0 + * ---------------------------- + * | | | + * ---------------------------- + * Error codes are 32-bit wide. The upper 16-bits, called Major Error Number, + * are reserved to identify the group to which the error code belongs. The + * lower 16-bits, called Minor Error Number, carry the actual code. + * + * So error codes are (MAJOR NUMBER << 16)| MINOR_NUMBER. + */ +/** Status for a request. + * If the request is successfully queued, the driver will return + * a LIO_REQUEST_PENDING status. LIO_REQUEST_TIMEOUT is only returned by + * the driver if the response for request failed to arrive before a + * time-out period or if the request processing * got interrupted due to + * a signal respectively. + */ +enum { + /** A value of 0x00000000 indicates no error i.e. success */ + LIO_REQUEST_DONE = 0x00000000, + /** (Major number: 0x0000; Minor Number: 0x0001) */ + LIO_REQUEST_PENDING = 0x00000001, + LIO_REQUEST_TIMEOUT = 0x00000003, + +}; + +/*------ Error codes used by firmware (bits 15..0 set by firmware */ +#define LIO_FIRMWARE_MAJOR_ERROR_CODE 0x0001 +#define LIO_FIRMWARE_STATUS_CODE(status) \ + ((LIO_FIRMWARE_MAJOR_ERROR_CODE << 16) | (status)) + +/** Initialize the response lists. The number of response lists to create is + * given by count. + * @param lio_dev - the lio device structure. + */ +void lio_setup_response_list(struct lio_device *lio_dev); + +/** Check the status of first entry in the ordered list. If the instruction at + * that entry finished processing or has timed-out, the entry is cleaned. + * @param lio_dev - the lio device structure. + * @return 1 if the ordered list is empty, 0 otherwise. + */ +int lio_process_ordered_list(struct lio_device *lio_dev); + +#define LIO_INCR_INSTRQUEUE_PKT_COUNT(lio_dev, iq_no, field, count) \ + (((lio_dev)->instr_queue[iq_no]->stats.field) += count) + +static inline void +lio_swap_8B_data(uint64_t *data, uint32_t blocks) +{ + while (blocks) { + *data = rte_cpu_to_be_64(*data); + blocks--; + data++; + } +} + +static inline uint64_t +lio_map_ring(void *buf) +{ + phys_addr_t dma_addr; + + dma_addr = rte_mbuf_data_dma_addr_default(((struct rte_mbuf *)buf)); + + return (uint64_t)dma_addr; +} + +static inline uint64_t +lio_map_ring_info(struct lio_droq *droq, uint32_t i) +{ + phys_addr_t dma_addr; + + dma_addr = droq->info_list_dma + (i * LIO_DROQ_INFO_SIZE); + + return (uint64_t)dma_addr; +} + +static inline int +lio_opcode_slow_path(union octeon_rh *rh) +{ + uint16_t subcode1, subcode2; + + subcode1 = LIO_OPCODE_SUBCODE(rh->r.opcode, rh->r.subcode); + subcode2 = LIO_OPCODE_SUBCODE(LIO_OPCODE, LIO_OPCODE_NW_DATA); + + return subcode2 != subcode1; +} + +static inline void +lio_add_sg_size(struct lio_sg_entry *sg_entry, + uint16_t size, uint32_t pos) +{ +#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN + sg_entry->u.size[pos] = size; +#elif RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN + sg_entry->u.size[3 - pos] = size; +#endif +} + +/* Macro to increment index. + * Index is incremented by count; if the sum exceeds + * max, index is wrapped-around to the start. + */ +static inline uint32_t +lio_incr_index(uint32_t index, uint32_t count, uint32_t max) +{ + if ((index + count) >= max) + index = index + count - max; + else + index += count; + + return index; +} + +int lio_setup_droq(struct lio_device *lio_dev, int q_no, int num_descs, + int desc_size, struct rte_mempool *mpool, + unsigned int socket_id); +uint16_t lio_dev_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t budget); +void lio_delete_droq_queue(struct lio_device *lio_dev, int oq_no); + +void lio_delete_sglist(struct lio_instr_queue *txq); +int lio_setup_sglists(struct lio_device *lio_dev, int iq_no, + int fw_mapped_iq, int num_descs, unsigned int socket_id); +uint16_t lio_dev_xmit_pkts(void *tx_queue, struct rte_mbuf **pkts, + uint16_t nb_pkts); +int lio_wait_for_instr_fetch(struct lio_device *lio_dev); +int lio_setup_iq(struct lio_device *lio_dev, int q_index, + union octeon_txpciq iq_no, uint32_t num_descs, void *app_ctx, + unsigned int socket_id); +int lio_flush_iq(struct lio_device *lio_dev, struct lio_instr_queue *iq); +void lio_delete_instruction_queue(struct lio_device *lio_dev, int iq_no); +/** Setup instruction queue zero for the device + * @param lio_dev which lio device to setup + * + * @return 0 if success. -1 if fails + */ +int lio_setup_instr_queue0(struct lio_device *lio_dev); +void lio_free_instr_queue0(struct lio_device *lio_dev); +void lio_dev_clear_queues(struct rte_eth_dev *eth_dev); +#endif /* _LIO_RXTX_H_ */ |