diff options
Diffstat (limited to 'src/dpdk22/drivers/net/fm10k/fm10k.h')
-rw-r--r-- | src/dpdk22/drivers/net/fm10k/fm10k.h | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/src/dpdk22/drivers/net/fm10k/fm10k.h b/src/dpdk22/drivers/net/fm10k/fm10k.h deleted file mode 100644 index cd38af2d..00000000 --- a/src/dpdk22/drivers/net/fm10k/fm10k.h +++ /dev/null @@ -1,362 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2013-2015 Intel Corporation. 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 Intel Corporation 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 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 _FM10K_H_ -#define _FM10K_H_ - -#include <stdint.h> -#include <rte_mbuf.h> -#include <rte_mempool.h> -#include <rte_malloc.h> -#include <rte_spinlock.h> -#include "fm10k_logs.h" -#include "base/fm10k_type.h" - -/* descriptor ring base addresses must be aligned to the following */ -#define FM10K_ALIGN_RX_DESC 128 -#define FM10K_ALIGN_TX_DESC 128 - -/* The maximum packet size that FM10K supports */ -#define FM10K_MAX_PKT_SIZE (15 * 1024) - -/* Minimum size of RX buffer FM10K supported */ -#define FM10K_MIN_RX_BUF_SIZE 256 - -/* The maximum of SRIOV VFs per port supported */ -#define FM10K_MAX_VF_NUM 64 - -/* number of descriptors must be a multiple of the following */ -#define FM10K_MULT_RX_DESC FM10K_REQ_RX_DESCRIPTOR_MULTIPLE -#define FM10K_MULT_TX_DESC FM10K_REQ_TX_DESCRIPTOR_MULTIPLE - -/* maximum size of descriptor rings */ -#define FM10K_MAX_RX_RING_SZ (512 * 1024) -#define FM10K_MAX_TX_RING_SZ (512 * 1024) - -/* minimum and maximum number of descriptors in a ring */ -#define FM10K_MIN_RX_DESC 32 -#define FM10K_MIN_TX_DESC 32 -#define FM10K_MAX_RX_DESC (FM10K_MAX_RX_RING_SZ / sizeof(union fm10k_rx_desc)) -#define FM10K_MAX_TX_DESC (FM10K_MAX_TX_RING_SZ / sizeof(struct fm10k_tx_desc)) - -/* - * byte aligment for HW RX data buffer - * Datasheet requires RX buffer addresses shall either be 512-byte aligned or - * be 8-byte aligned but without crossing host memory pages (4KB alignment - * boundaries). Satisfy first option. - */ -#define FM10K_RX_DATABUF_ALIGN 512 - -/* - * threshold default, min, max, and divisor constraints - * the configured values must satisfy the following: - * MIN <= value <= MAX - * DIV % value == 0 - */ -#define FM10K_RX_FREE_THRESH_DEFAULT(rxq) 32 -#define FM10K_RX_FREE_THRESH_MIN(rxq) 1 -#define FM10K_RX_FREE_THRESH_MAX(rxq) ((rxq)->nb_desc - 1) -#define FM10K_RX_FREE_THRESH_DIV(rxq) ((rxq)->nb_desc) - -#define FM10K_TX_FREE_THRESH_DEFAULT(txq) 32 -#define FM10K_TX_FREE_THRESH_MIN(txq) 1 -#define FM10K_TX_FREE_THRESH_MAX(txq) ((txq)->nb_desc - 3) -#define FM10K_TX_FREE_THRESH_DIV(txq) 0 - -#define FM10K_DEFAULT_RX_PTHRESH 8 -#define FM10K_DEFAULT_RX_HTHRESH 8 -#define FM10K_DEFAULT_RX_WTHRESH 0 - -#define FM10K_DEFAULT_TX_PTHRESH 32 -#define FM10K_DEFAULT_TX_HTHRESH 0 -#define FM10K_DEFAULT_TX_WTHRESH 0 - -#define FM10K_TX_RS_THRESH_DEFAULT(txq) 32 -#define FM10K_TX_RS_THRESH_MIN(txq) 1 -#define FM10K_TX_RS_THRESH_MAX(txq) \ - RTE_MIN(((txq)->nb_desc - 2), (txq)->free_thresh) -#define FM10K_TX_RS_THRESH_DIV(txq) ((txq)->nb_desc) - -#define FM10K_VLAN_TAG_SIZE 4 - -/* Maximum number of MAC addresses per PF/VF */ -#define FM10K_MAX_MACADDR_NUM 64 - -#define FM10K_UINT32_BIT_SIZE (CHAR_BIT * sizeof(uint32_t)) -#define FM10K_VFTA_SIZE (4096 / FM10K_UINT32_BIT_SIZE) - -/* vlan_id is a 12 bit number. - * The VFTA array is actually a 4096 bit array, 128 of 32bit elements. - * 2^5 = 32. The val of lower 5 bits specifies the bit in the 32bit element. - * The higher 7 bit val specifies VFTA array index. - */ -#define FM10K_VFTA_BIT(vlan_id) (1 << ((vlan_id) & 0x1F)) -#define FM10K_VFTA_IDX(vlan_id) ((vlan_id) >> 5) - -#define RTE_FM10K_RXQ_REARM_THRESH 32 -#define RTE_FM10K_VPMD_TX_BURST 32 -#define RTE_FM10K_MAX_RX_BURST RTE_FM10K_RXQ_REARM_THRESH -#define RTE_FM10K_TX_MAX_FREE_BUF_SZ 64 -#define RTE_FM10K_DESCS_PER_LOOP 4 - -#define FM10K_SIMPLE_TX_FLAG ((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS | \ - ETH_TXQ_FLAGS_NOOFFLOADS) - -struct fm10k_macvlan_filter_info { - uint16_t vlan_num; /* Total VLAN number */ - uint16_t mac_num; /* Total mac number */ - uint16_t nb_queue_pools; /* Active queue pools number */ - /* VMDQ ID for each MAC address */ - uint8_t mac_vmdq_id[FM10K_MAX_MACADDR_NUM]; - uint32_t vfta[FM10K_VFTA_SIZE]; /* VLAN bitmap */ -}; - -struct fm10k_dev_info { - volatile uint32_t enable; - volatile uint32_t glort; - /* Protect the mailbox to avoid race condition */ - rte_spinlock_t mbx_lock; - struct fm10k_macvlan_filter_info macvlan; - /* Flag to indicate if RX vector conditions satisfied */ - bool rx_vec_allowed; -}; - -/* - * Structure to store private data for each driver instance. - */ -struct fm10k_adapter { - struct fm10k_hw hw; - struct fm10k_hw_stats stats; - struct fm10k_dev_info info; -}; - -#define FM10K_DEV_PRIVATE_TO_HW(adapter) \ - (&((struct fm10k_adapter *)adapter)->hw) - -#define FM10K_DEV_PRIVATE_TO_STATS(adapter) \ - (&((struct fm10k_adapter *)adapter)->stats) - -#define FM10K_DEV_PRIVATE_TO_INFO(adapter) \ - (&((struct fm10k_adapter *)adapter)->info) - -#define FM10K_DEV_PRIVATE_TO_MBXLOCK(adapter) \ - (&(((struct fm10k_adapter *)adapter)->info.mbx_lock)) - -#define FM10K_DEV_PRIVATE_TO_MACVLAN(adapter) \ - (&(((struct fm10k_adapter *)adapter)->info.macvlan)) - -struct fm10k_rx_queue { - struct rte_mempool *mp; - struct rte_mbuf **sw_ring; - volatile union fm10k_rx_desc *hw_ring; - struct rte_mbuf *pkt_first_seg; /* First segment of current packet. */ - struct rte_mbuf *pkt_last_seg; /* Last segment of current packet. */ - uint64_t hw_ring_phys_addr; - uint64_t mbuf_initializer; /* value to init mbufs */ - /* need to alloc dummy mbuf, for wraparound when scanning hw ring */ - struct rte_mbuf fake_mbuf; - uint16_t next_dd; - uint16_t next_alloc; - uint16_t next_trigger; - uint16_t alloc_thresh; - volatile uint32_t *tail_ptr; - uint16_t nb_desc; - /* Number of faked desc added at the tail for Vector RX function */ - uint16_t nb_fake_desc; - uint16_t queue_id; - /* Below 2 fields only valid in case vPMD is applied. */ - uint16_t rxrearm_nb; /* number of remaining to be re-armed */ - uint16_t rxrearm_start; /* the idx we start the re-arming from */ - uint16_t rx_using_sse; /* indicates that vector RX is in use */ - uint8_t port_id; - uint8_t drop_en; - uint8_t rx_deferred_start; /* don't start this queue in dev start. */ -}; - -/* - * a FIFO is used to track which descriptors have their RS bit set for Tx - * queues which are configured to allow multiple descriptors per packet - */ -struct fifo { - uint16_t *list; - uint16_t *head; - uint16_t *tail; - uint16_t *endp; -}; - -struct fm10k_txq_ops; - -struct fm10k_tx_queue { - struct rte_mbuf **sw_ring; - struct fm10k_tx_desc *hw_ring; - uint64_t hw_ring_phys_addr; - struct fifo rs_tracker; - const struct fm10k_txq_ops *ops; /* txq ops */ - uint16_t last_free; - uint16_t next_free; - uint16_t nb_free; - uint16_t nb_used; - uint16_t free_thresh; - uint16_t rs_thresh; - /* Below 2 fields only valid in case vPMD is applied. */ - uint16_t next_rs; /* Next pos to set RS flag */ - uint16_t next_dd; /* Next pos to check DD flag */ - volatile uint32_t *tail_ptr; - uint32_t txq_flags; /* Holds flags for this TXq */ - uint16_t nb_desc; - uint8_t port_id; - uint8_t tx_deferred_start; /** don't start this queue in dev start. */ - uint16_t queue_id; -}; - -struct fm10k_txq_ops { - void (*reset)(struct fm10k_tx_queue *txq); -}; - -#define MBUF_DMA_ADDR(mb) \ - ((uint64_t) ((mb)->buf_physaddr + (mb)->data_off)) - -/* enforce 512B alignment on default Rx DMA addresses */ -#define MBUF_DMA_ADDR_DEFAULT(mb) \ - ((uint64_t) RTE_ALIGN(((mb)->buf_physaddr + RTE_PKTMBUF_HEADROOM),\ - FM10K_RX_DATABUF_ALIGN)) - -static inline void fifo_reset(struct fifo *fifo, uint32_t len) -{ - fifo->head = fifo->tail = fifo->list; - fifo->endp = fifo->list + len; -} - -static inline void fifo_insert(struct fifo *fifo, uint16_t val) -{ - *fifo->head = val; - if (++fifo->head == fifo->endp) - fifo->head = fifo->list; -} - -/* do not worry about list being empty since we only check it once we know - * we have used enough descriptors to set the RS bit at least once */ -static inline uint16_t fifo_peek(struct fifo *fifo) -{ - return *fifo->tail; -} - -static inline uint16_t fifo_remove(struct fifo *fifo) -{ - uint16_t val; - val = *fifo->tail; - if (++fifo->tail == fifo->endp) - fifo->tail = fifo->list; - return val; -} - -static inline void -fm10k_pktmbuf_reset(struct rte_mbuf *mb, uint8_t in_port) -{ - rte_mbuf_refcnt_set(mb, 1); - mb->next = NULL; - mb->nb_segs = 1; - - /* enforce 512B alignment on default Rx virtual addresses */ - mb->data_off = (uint16_t)(RTE_PTR_ALIGN((char *)mb->buf_addr + - RTE_PKTMBUF_HEADROOM, FM10K_RX_DATABUF_ALIGN) - - (char *)mb->buf_addr); - mb->port = in_port; -} - -/* - * Verify Rx packet buffer alignment is valid. - * - * Hardware requires specific alignment for Rx packet buffers. At - * least one of the following two conditions must be satisfied. - * 1. Address is 512B aligned - * 2. Address is 8B aligned and buffer does not cross 4K boundary. - * - * Return 1 if buffer alignment satisfies at least one condition, - * otherwise return 0. - * - * Note: Alignment is checked by the driver when the Rx queue is reset. It - * is assumed that if an entire descriptor ring can be filled with - * buffers containing valid alignment, then all buffers in that mempool - * have valid address alignment. It is the responsibility of the user - * to ensure all buffers have valid alignment, as it is the user who - * creates the mempool. - * Note: It is assumed the buffer needs only to store a maximum size Ethernet - * frame. - */ -static inline int -fm10k_addr_alignment_valid(struct rte_mbuf *mb) -{ - uint64_t addr = MBUF_DMA_ADDR_DEFAULT(mb); - uint64_t boundary1, boundary2; - - /* 512B aligned? */ - if (RTE_ALIGN(addr, FM10K_RX_DATABUF_ALIGN) == addr) - return 1; - - /* 8B aligned, and max Ethernet frame would not cross a 4KB boundary? */ - if (RTE_ALIGN(addr, 8) == addr) { - boundary1 = RTE_ALIGN_FLOOR(addr, 4096); - boundary2 = RTE_ALIGN_FLOOR(addr + ETHER_MAX_VLAN_FRAME_LEN, - 4096); - if (boundary1 == boundary2) - return 1; - } - - PMD_INIT_LOG(ERR, "Error: Invalid buffer alignment!"); - - return 0; -} - -/* Rx and Tx prototypes */ -uint16_t fm10k_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, - uint16_t nb_pkts); - -uint16_t fm10k_recv_scattered_pkts(void *rx_queue, - struct rte_mbuf **rx_pkts, uint16_t nb_pkts); - -uint16_t fm10k_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts); - -int fm10k_rxq_vec_setup(struct fm10k_rx_queue *rxq); -int fm10k_rx_vec_condition_check(struct rte_eth_dev *); -void fm10k_rx_queue_release_mbufs_vec(struct fm10k_rx_queue *rxq); -uint16_t fm10k_recv_pkts_vec(void *, struct rte_mbuf **, uint16_t); -uint16_t fm10k_recv_scattered_pkts_vec(void *, struct rte_mbuf **, - uint16_t); -uint16_t fm10k_xmit_pkts_vec(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts); -void fm10k_txq_vec_setup(struct fm10k_tx_queue *txq); -int fm10k_tx_vec_condition_check(struct fm10k_tx_queue *txq); - -#endif |