@@ -11,7 +11,7 @@
#include "agx100_pmd.h"
#include "vc_5gnr_pmd.h"
-/* Helper macro for logging */
+/* Helper macro for logging. */
#define rte_bbdev_log(level, fmt, ...) \
rte_log(RTE_LOG_ ## level, fpga_5gnr_fec_logtype, fmt "\n", \
##__VA_ARGS__)
@@ -24,7 +24,7 @@
#define rte_bbdev_log_debug(fmt, ...)
#endif
-/* FPGA 5GNR FEC driver names */
+/* FPGA 5GNR FEC driver names. */
#define FPGA_5GNR_FEC_PF_DRIVER_NAME intel_fpga_5gnr_fec_pf
#define FPGA_5GNR_FEC_VF_DRIVER_NAME intel_fpga_5gnr_fec_vf
@@ -43,15 +43,15 @@
#define VC_5GNR_FPGA_VARIANT 0
#define AGX100_FPGA_VARIANT 1
-/* Constants from K0 computation from 3GPP 38.212 Table 5.4.2.1-2 */
-#define N_ZC_1 66 /* N = 66 Zc for BG 1 */
-#define N_ZC_2 50 /* N = 50 Zc for BG 2 */
-#define K0_1_1 17 /* K0 fraction numerator for rv 1 and BG 1 */
-#define K0_1_2 13 /* K0 fraction numerator for rv 1 and BG 2 */
-#define K0_2_1 33 /* K0 fraction numerator for rv 2 and BG 1 */
-#define K0_2_2 25 /* K0 fraction numerator for rv 2 and BG 2 */
-#define K0_3_1 56 /* K0 fraction numerator for rv 3 and BG 1 */
-#define K0_3_2 43 /* K0 fraction numerator for rv 3 and BG 2 */
+/* Constants from K0 computation from 3GPP 38.212 Table 5.4.2.1-2. */
+#define N_ZC_1 66 /**< N = 66 Zc for BG 1. */
+#define N_ZC_2 50 /**< N = 50 Zc for BG 2. */
+#define K0_1_1 17 /**< K0 fraction numerator for rv 1 and BG 1. */
+#define K0_1_2 13 /**< K0 fraction numerator for rv 1 and BG 2. */
+#define K0_2_1 33 /**< K0 fraction numerator for rv 2 and BG 1. */
+#define K0_2_2 25 /**< K0 fraction numerator for rv 2 and BG 2. */
+#define K0_3_1 56 /**< K0 fraction numerator for rv 3 and BG 1. */
+#define K0_3_2 43 /**< K0 fraction numerator for rv 3 and BG 2. */
/* FPGA 5GNR Ring Control Registers. */
enum {
@@ -93,7 +93,7 @@ struct __rte_packed fpga_5gnr_ring_ctrl_reg {
uint64_t ring_head_addr;
uint16_t ring_size:11;
uint16_t rsrvd0;
- union { /* Miscellaneous register */
+ union { /* Miscellaneous register. */
uint8_t misc;
uint8_t max_ul_dec:5,
max_ul_dec_en:1,
@@ -140,26 +140,23 @@ struct fpga_5gnr_fec_device {
/** Structure associated with each queue. */
struct __rte_cache_aligned fpga_5gnr_queue {
- struct fpga_5gnr_ring_ctrl_reg ring_ctrl_reg; /**< Ring Control Register */
+ struct fpga_5gnr_ring_ctrl_reg ring_ctrl_reg; /**< Ring Control Register. */
union {
/** Virtual address of VC 5GNR software ring. */
union vc_5gnr_dma_desc *vc_5gnr_ring_addr;
/** Virtual address of AGX100 software ring. */
union agx100_dma_desc *agx100_ring_addr;
};
- uint64_t *ring_head_addr; /* Virtual address of completion_head */
- uint64_t shadow_completion_head; /* Shadow completion head value */
- uint16_t head_free_desc; /* Ring head */
- uint16_t tail; /* Ring tail */
- /* Mask used to wrap enqueued descriptors on the sw ring */
- uint32_t sw_ring_wrap_mask;
- uint32_t irq_enable; /* Enable ops dequeue interrupts if set to 1 */
- uint8_t q_idx; /* Queue index */
- /** uuid used for MUTEX acquision for DDR */
- uint16_t ddr_mutex_uuid;
- struct fpga_5gnr_fec_device *d;
- /* MMIO register of shadow_tail used to enqueue descriptors */
- void *shadow_tail_addr;
+ uint64_t *ring_head_addr; /**< Virtual address of completion_head. */
+ uint64_t shadow_completion_head; /**< Shadow completion head value. */
+ uint16_t head_free_desc; /**< Ring head. */
+ uint16_t tail; /**< Ring tail. */
+ uint32_t sw_ring_wrap_mask; /**< Mask used to wrap enqueued descriptors on the sw ring. */
+ uint32_t irq_enable; /**< Enable ops dequeue interrupts if set to 1. */
+ uint8_t q_idx; /**< Queue index. */
+ uint16_t ddr_mutex_uuid; /**< uuid used for MUTEX acquision for DDR. */
+ struct fpga_5gnr_fec_device *d; /**< FPGA 5GNR device structure. */
+ void *shadow_tail_addr; /**< MMIO register of shadow_tail used to enqueue descriptors. */
};
/* Write to 16 bit MMIO register address. */
@@ -29,7 +29,7 @@ RTE_LOG_REGISTER_DEFAULT(fpga_5gnr_fec_logtype, NOTICE);
#ifdef RTE_LIBRTE_BBDEV_DEBUG
-/* Read Ring Control Register of FPGA 5GNR FEC device */
+/* Read Ring Control Register of FPGA 5GNR FEC device. */
static inline void
print_ring_reg_debug_info(void *mmio_base, uint32_t offset)
{
@@ -380,7 +380,7 @@ fpga_5gnr_get_queue_map(struct fpga_5gnr_fec_device *d, uint32_t q_id)
static int
fpga_5gnr_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id)
{
- /* Number of queues bound to a PF/VF */
+ /* Number of queues bound to a PF/VF. */
uint32_t hw_q_num = 0;
uint32_t ring_size, payload, address, q_id, offset;
rte_iova_t phys_addr;
@@ -395,7 +395,7 @@ fpga_5gnr_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id
return -EPERM;
}
- /* Clear queue registers structure */
+ /* Clear queue registers structure. */
memset(&ring_reg, 0, sizeof(struct fpga_5gnr_ring_ctrl_reg));
/* Scan queue map.
@@ -411,7 +411,7 @@ fpga_5gnr_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id
if (hw_q_id != FPGA_5GNR_INVALID_HW_QUEUE_ID) {
d->q_bound_bit_map |= (1ULL << q_id);
- /* Clear queue register of found queue */
+ /* Clear queue register of found queue. */
offset = FPGA_5GNR_FEC_RING_CTRL_REGS +
(sizeof(struct fpga_5gnr_ring_ctrl_reg) * q_id);
fpga_ring_reg_write(d->mmio_base, offset, ring_reg);
@@ -435,10 +435,10 @@ fpga_5gnr_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id
else
ring_size = FPGA_5GNR_RING_MAX_SIZE * sizeof(struct agx100_dma_dec_desc);
- /* Enforce 32 byte alignment */
+ /* Enforce 32 byte alignment. */
RTE_BUILD_BUG_ON((RTE_CACHE_LINE_SIZE % 32) != 0);
- /* Allocate memory for SW descriptor rings */
+ /* Allocate memory for SW descriptor rings. */
d->sw_rings = rte_zmalloc_socket(dev->device->driver->name,
num_queues * ring_size, RTE_CACHE_LINE_SIZE,
socket_id);
@@ -453,7 +453,7 @@ fpga_5gnr_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id
d->sw_ring_size = ring_size;
d->sw_ring_max_depth = FPGA_5GNR_RING_MAX_SIZE;
- /* Allocate memory for ring flush status */
+ /* Allocate memory for ring flush status. */
d->flush_queue_status = rte_zmalloc_socket(NULL,
sizeof(uint64_t), RTE_CACHE_LINE_SIZE, socket_id);
if (d->flush_queue_status == NULL) {
@@ -463,7 +463,7 @@ fpga_5gnr_setup_queues(struct rte_bbdev *dev, uint16_t num_queues, int socket_id
return -ENOMEM;
}
- /* Set the flush status address registers */
+ /* Set the flush status address registers. */
phys_addr = rte_malloc_virt2iova(d->flush_queue_status);
address = FPGA_5GNR_FEC_VFQ_FLUSH_STATUS_LW;
@@ -572,7 +572,7 @@ fpga_5gnr_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_
RTE_BBDEV_END_OF_CAPABILITIES_LIST()
};
- /* Check the HARQ DDR size available */
+ /* Check the HARQ DDR size available (in MB). */
uint8_t timeout_counter = 0;
uint32_t harq_buf_ready = fpga_5gnr_reg_read_32(d->mmio_base,
FPGA_5GNR_FEC_HARQ_BUF_SIZE_RDY_REGS);
@@ -610,7 +610,7 @@ fpga_5gnr_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_
dev_info->data_endianness = RTE_LITTLE_ENDIAN;
dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED;
- /* Calculates number of queues assigned to device */
+ /* Calculates number of queues assigned to device. */
dev_info->max_num_queues = 0;
for (q_id = 0; q_id < d->total_num_queues; ++q_id) {
uint32_t hw_q_id = fpga_5gnr_get_queue_map(d, q_id);
@@ -618,12 +618,12 @@ fpga_5gnr_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_
if (hw_q_id != FPGA_5GNR_INVALID_HW_QUEUE_ID)
dev_info->max_num_queues++;
}
- /* Expose number of queue per operation type */
+ /* Expose number of queue per operation type. */
dev_info->num_queues[RTE_BBDEV_OP_NONE] = 0;
dev_info->num_queues[RTE_BBDEV_OP_TURBO_DEC] = 0;
dev_info->num_queues[RTE_BBDEV_OP_TURBO_ENC] = 0;
- dev_info->num_queues[RTE_BBDEV_OP_LDPC_DEC] = dev_info->max_num_queues / 2;
- dev_info->num_queues[RTE_BBDEV_OP_LDPC_ENC] = dev_info->max_num_queues / 2;
+ dev_info->num_queues[RTE_BBDEV_OP_LDPC_DEC] = dev_info->max_num_queues >> 1;
+ dev_info->num_queues[RTE_BBDEV_OP_LDPC_ENC] = dev_info->max_num_queues >> 1;
dev_info->queue_priority[RTE_BBDEV_OP_LDPC_DEC] = 1;
dev_info->queue_priority[RTE_BBDEV_OP_LDPC_ENC] = 1;
}
@@ -648,9 +648,9 @@ fpga_5gnr_find_free_queue_idx(struct rte_bbdev *dev,
for (; i < range; ++i) {
q_idx = 1ULL << i;
- /* Check if index of queue is bound to current PF/VF */
+ /* Check if index of queue is bound to current PF/VF. */
if (d->q_bound_bit_map & q_idx)
- /* Check if found queue was not already assigned */
+ /* Check if found queue was not already assigned. */
if (!(d->q_assigned_bit_map & q_idx)) {
d->q_assigned_bit_map |= q_idx;
return i;
@@ -671,7 +671,7 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
struct fpga_5gnr_queue *q;
int8_t q_idx;
- /* Check if there is a free queue to assign */
+ /* Check if there is a free queue to assign. */
q_idx = fpga_5gnr_find_free_queue_idx(dev, conf);
if (q_idx == -1)
return -1;
@@ -680,7 +680,7 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
q = rte_zmalloc_socket(dev->device->driver->name, sizeof(*q),
RTE_CACHE_LINE_SIZE, conf->socket);
if (q == NULL) {
- /* Mark queue as un-assigned */
+ /* Mark queue as un-assigned. */
d->q_assigned_bit_map &= (0xFFFFFFFF - (1ULL << q_idx));
rte_bbdev_log(ERR, "Failed to allocate queue memory");
return -ENOMEM;
@@ -689,7 +689,7 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
q->d = d;
q->q_idx = q_idx;
- /* Set ring_base_addr */
+ /* Set ring_base_addr. */
if (d->fpga_variant == VC_5GNR_FPGA_VARIANT)
q->vc_5gnr_ring_addr = RTE_PTR_ADD(d->sw_rings, (d->sw_ring_size * queue_id));
else
@@ -697,11 +697,11 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
q->ring_ctrl_reg.ring_base_addr = d->sw_rings_phys + (d->sw_ring_size * queue_id);
- /* Allocate memory for Completion Head variable*/
+ /* Allocate memory for Completion Head variable. */
q->ring_head_addr = rte_zmalloc_socket(dev->device->driver->name,
sizeof(uint64_t), RTE_CACHE_LINE_SIZE, conf->socket);
if (q->ring_head_addr == NULL) {
- /* Mark queue as un-assigned */
+ /* Mark queue as un-assigned. */
d->q_assigned_bit_map &= (0xFFFFFFFF - (1ULL << q_idx));
rte_free(q);
rte_bbdev_log(ERR,
@@ -709,15 +709,15 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
dev->device->driver->name, dev->data->dev_id);
return -ENOMEM;
}
- /* Set ring_head_addr */
+ /* Set ring_head_addr. */
q->ring_ctrl_reg.ring_head_addr = rte_malloc_virt2iova(q->ring_head_addr);
- /* Clear shadow_completion_head */
+ /* Clear shadow_completion_head. */
q->shadow_completion_head = 0;
- /* Set ring_size */
+ /* Set ring_size. */
if (conf->queue_size > FPGA_5GNR_RING_MAX_SIZE) {
- /* Mark queue as un-assigned */
+ /* Mark queue as un-assigned. */
d->q_assigned_bit_map &= (0xFFFFFFFF - (1ULL << q_idx));
rte_free(q->ring_head_addr);
rte_free(q);
@@ -730,34 +730,34 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
q->ring_ctrl_reg.ring_size = conf->queue_size;
/* Set Miscellaneous FPGA 5GNR register. */
- /* Max iteration number for TTI mitigation - todo */
+ /* TODO: Max iteration number for TTI mitigation. */
q->ring_ctrl_reg.max_ul_dec = 0;
- /* Enable max iteration number for TTI - todo */
+ /* TODO: Enable max iteration number for TTI. */
q->ring_ctrl_reg.max_ul_dec_en = 0;
- /* Enable the ring */
+ /* Enable the ring. */
q->ring_ctrl_reg.enable = 1;
- /* Set FPGA 5GNR head_point and tail registers */
+ /* Set FPGA 5GNR head_point and tail registers. */
q->ring_ctrl_reg.head_point = q->tail = 0;
- /* Set FPGA 5GNR shadow_tail register */
+ /* Set FPGA 5GNR shadow_tail register. */
q->ring_ctrl_reg.shadow_tail = q->tail;
- /* Calculates the ring offset for found queue */
+ /* Calculates the ring offset for found queue. */
ring_offset = FPGA_5GNR_FEC_RING_CTRL_REGS +
(sizeof(struct fpga_5gnr_ring_ctrl_reg) * q_idx);
- /* Set FPGA 5GNR Ring Control Registers */
+ /* Set FPGA 5GNR Ring Control Registers. */
fpga_ring_reg_write(d->mmio_base, ring_offset, q->ring_ctrl_reg);
- /* Store MMIO register of shadow_tail */
+ /* Store MMIO register of shadow_tail. */
address = ring_offset + FPGA_5GNR_FEC_RING_SHADOW_TAIL;
q->shadow_tail_addr = RTE_PTR_ADD(d->mmio_base, address);
q->head_free_desc = q->tail;
- /* Set wrap mask */
+ /* Set wrap mask. */
q->sw_ring_wrap_mask = conf->queue_size - 1;
rte_bbdev_log_debug("Setup dev%u q%u: queue_idx=%u",
@@ -768,7 +768,7 @@ fpga_5gnr_queue_setup(struct rte_bbdev *dev, uint16_t queue_id,
rte_bbdev_log_debug("BBDEV queue[%d] set up for FPGA 5GNR queue[%d]", queue_id, q_idx);
#ifdef RTE_LIBRTE_BBDEV_DEBUG
- /* Read FPGA Ring Control Registers after configuration*/
+ /* Read FPGA Ring Control Registers after configuration. */
print_ring_reg_debug_info(d->mmio_base, ring_offset);
#endif
return 0;
@@ -788,13 +788,13 @@ fpga_5gnr_queue_release(struct rte_bbdev *dev, uint16_t queue_id)
memset(&ring_reg, 0, sizeof(struct fpga_5gnr_ring_ctrl_reg));
offset = FPGA_5GNR_FEC_RING_CTRL_REGS +
(sizeof(struct fpga_5gnr_ring_ctrl_reg) * q->q_idx);
- /* Disable queue */
+ /* Disable queue. */
fpga_5gnr_reg_write_8(d->mmio_base,
offset + FPGA_5GNR_FEC_RING_ENABLE, 0x00);
- /* Clear queue registers */
+ /* Clear queue registers. */
fpga_ring_reg_write(d->mmio_base, offset, ring_reg);
- /* Mark the Queue as un-assigned */
+ /* Mark the Queue as un-assigned. */
d->q_assigned_bit_map &= (0xFFFFFFFF - (1ULL << q->q_idx));
rte_free(q->ring_head_addr);
rte_free(q);
@@ -825,14 +825,14 @@ fpga_5gnr_queue_start(struct rte_bbdev *dev, uint16_t queue_id)
return -1;
}
- /* Clear queue head and tail variables */
+ /* Clear queue head and tail variables. */
q->tail = q->head_free_desc = 0;
- /* Clear FPGA 5GNR head_point and tail registers */
+ /* Clear FPGA 5GNR head_point and tail registers. */
fpga_5gnr_reg_write_16(d->mmio_base, offset + FPGA_5GNR_FEC_RING_HEAD_POINT, zero);
fpga_5gnr_reg_write_16(d->mmio_base, offset + FPGA_5GNR_FEC_RING_SHADOW_TAIL, zero);
- /* Enable queue */
+ /* Enable queue. */
fpga_5gnr_reg_write_8(d->mmio_base, offset + FPGA_5GNR_FEC_RING_ENABLE, enable);
rte_bbdev_log_debug("FPGA 5GNR Queue[%d] started", queue_id);
@@ -857,7 +857,7 @@ fpga_5gnr_queue_stop(struct rte_bbdev *dev, uint16_t queue_id)
uint8_t counter = 0;
uint8_t timeout = FPGA_5GNR_QUEUE_FLUSH_TIMEOUT_US / FPGA_5GNR_TIMEOUT_CHECK_INTERVAL;
- /* Set flush_queue_en bit to trigger queue flushing */
+ /* Set flush_queue_en bit to trigger queue flushing. */
fpga_5gnr_reg_write_8(d->mmio_base,
offset + FPGA_5GNR_FEC_RING_FLUSH_QUEUE_EN, payload);
@@ -875,7 +875,7 @@ fpga_5gnr_queue_stop(struct rte_bbdev *dev, uint16_t queue_id)
counter++;
}
- /* Disable queue */
+ /* Disable queue. */
payload = 0x00;
fpga_5gnr_reg_write_8(d->mmio_base, offset + FPGA_5GNR_FEC_RING_ENABLE, payload);
@@ -909,7 +909,7 @@ fpga_5gnr_dev_interrupt_handler(void *cb_arg)
uint16_t queue_id;
uint8_t i;
- /* Scan queue assigned to this device */
+ /* Scan queue assigned to this device. */
for (i = 0; i < d->total_num_queues; ++i) {
q_idx = 1ULL << i;
if (d->q_bound_bit_map & q_idx) {
@@ -917,7 +917,7 @@ fpga_5gnr_dev_interrupt_handler(void *cb_arg)
if (queue_id == (uint16_t) -1)
continue;
- /* Check if completion head was changed */
+ /* Check if completion head was changed. */
q = dev->data->queues[queue_id].queue_private;
ring_head = *q->ring_head_addr;
if (q->shadow_completion_head != ring_head &&
@@ -1079,7 +1079,7 @@ fpga_5gnr_dma_enqueue(struct fpga_5gnr_queue *q, uint16_t num_desc,
uint64_t start_time = 0;
queue_stats->acc_offload_cycles = 0;
- /* Update tail and shadow_tail register */
+ /* Update tail and shadow_tail register. */
q->tail = fpga_5gnr_desc_idx_tail(q, num_desc);
rte_wmb();
@@ -1092,7 +1092,7 @@ fpga_5gnr_dma_enqueue(struct fpga_5gnr_queue *q, uint16_t num_desc,
queue_stats->acc_offload_cycles += rte_rdtsc_precise() - start_time;
}
-/* Read flag value 0/1/ from bitmap */
+/* Read flag value 0/1/ from bitmap. */
static inline bool
check_bit(uint32_t bitmap, uint32_t bitmask)
{
@@ -1236,7 +1236,7 @@ get_k0(uint16_t n_cb, uint16_t z_c, uint8_t bg, uint8_t rv_index)
else
return (bg == 1 ? K0_3_1 : K0_3_2) * z_c;
}
- /* LBRM case - includes a division by N */
+ /* LBRM case - includes a division by N. */
if (rv_index == 1)
return (((bg == 1 ? K0_1_1 : K0_1_2) * n_cb)
/ n) * z_c;
@@ -1280,7 +1280,7 @@ vc_5gnr_dma_desc_te_fill(struct rte_bbdev_enc_op *op,
uint32_t in_offset, uint32_t out_offset, uint16_t desc_offset,
uint8_t cbs_in_op)
{
- /* reset */
+ /* Reset. */
desc->done = 0;
desc->error = 0;
desc->k_ = k_;
@@ -1296,7 +1296,7 @@ vc_5gnr_dma_desc_te_fill(struct rte_bbdev_enc_op *op,
op->ldpc_enc.basegraph, op->ldpc_enc.rv_index);
desc->ncb = op->ldpc_enc.n_cb;
desc->num_null = op->ldpc_enc.n_filler;
- /* Set inbound data buffer address */
+ /* Set inbound data buffer address. */
desc->in_addr_hi = (uint32_t)(
rte_pktmbuf_iova_offset(input, in_offset) >> 32);
desc->in_addr_lw = (uint32_t)(
@@ -1306,9 +1306,9 @@ vc_5gnr_dma_desc_te_fill(struct rte_bbdev_enc_op *op,
rte_pktmbuf_iova_offset(output, out_offset) >> 32);
desc->out_addr_lw = (uint32_t)(
rte_pktmbuf_iova_offset(output, out_offset));
- /* Save software context needed for dequeue */
+ /* Save software context needed for dequeue. */
desc->op_addr = op;
- /* Set total number of CBs in an op */
+ /* Set total number of CBs in an op. */
desc->cbs_in_op = cbs_in_op;
return 0;
}
@@ -1345,7 +1345,7 @@ agx100_dma_desc_le_fill(struct rte_bbdev_enc_op *op,
uint32_t in_offset, uint32_t out_offset, uint16_t desc_offset,
uint8_t cbs_in_op)
{
- /* reset. */
+ /* Reset. */
desc->done = 0;
desc->error_msg = 0;
desc->error_code = 0;
@@ -1384,7 +1384,7 @@ agx100_dma_desc_le_fill(struct rte_bbdev_enc_op *op,
rte_pktmbuf_iova_offset(input, in_offset) >> 32);
desc->input_start_addr_lo = (uint32_t)(
rte_pktmbuf_iova_offset(input, in_offset));
- desc->output_length = (e + 7) >> 3; /* in bytes. */
+ desc->output_length = (e + 7) >> 3; /* In bytes. */
desc->input_length = input->data_len;
desc->enqueue_timestamp = 0;
desc->completion_timestamp = 0;
@@ -1424,10 +1424,10 @@ vc_5gnr_dma_desc_ld_fill(struct rte_bbdev_dec_op *op,
uint16_t desc_offset,
uint8_t cbs_in_op)
{
- /* reset */
+ /* Reset. */
desc->done = 0;
desc->error = 0;
- /* Set inbound data buffer address */
+ /* Set inbound data buffer address. */
desc->in_addr_hi = (uint32_t)(
rte_pktmbuf_iova_offset(input, in_offset) >> 32);
desc->in_addr_lw = (uint32_t)(
@@ -1455,9 +1455,9 @@ vc_5gnr_dma_desc_ld_fill(struct rte_bbdev_dec_op *op,
rte_pktmbuf_iova_offset(output, out_offset) >> 32);
desc->out_addr_lw = (uint32_t)(
rte_pktmbuf_iova_offset(output, out_offset));
- /* Save software context needed for dequeue */
+ /* Save software context needed for dequeue. */
desc->op_addr = op;
- /* Set total number of CBs in an op */
+ /* Set total number of CBs in an op. */
desc->cbs_in_op = cbs_in_op;
return 0;
@@ -1493,7 +1493,7 @@ agx100_dma_desc_ld_fill(struct rte_bbdev_dec_op *op,
uint16_t desc_offset,
uint8_t cbs_in_op)
{
- /* reset. */
+ /* Reset. */
desc->done = 0;
desc->tb_crc_pass = 0;
desc->cb_crc_all_pass = 0;
@@ -1611,7 +1611,7 @@ vc_5gnr_validate_ldpc_enc_op(struct rte_bbdev_enc_op *op)
}
z_c = ldpc_enc->z_c;
- /* Check Zc is valid value */
+ /* Check Zc is valid value. */
if ((z_c > 384) || (z_c < 4)) {
rte_bbdev_log(ERR, "Zc (%u) is out of range", z_c);
return -1;
@@ -1667,7 +1667,7 @@ vc_5gnr_validate_ldpc_enc_op(struct rte_bbdev_enc_op *op)
}
- /* K' range check */
+ /* K' range check. */
if (Kp % 8 > 0) {
rte_bbdev_log(ERR, "K' not byte aligned %u", Kp);
return -1;
@@ -1684,23 +1684,23 @@ vc_5gnr_validate_ldpc_enc_op(struct rte_bbdev_enc_op *op)
rte_bbdev_log(ERR, "K - F invalid %u %u", K, n_filler);
return -1;
}
- /* Ncb range check */
+ /* Ncb range check. */
if ((n_cb > N) || (n_cb < 32) || (n_cb <= (Kp - crc24))) {
rte_bbdev_log(ERR, "Ncb (%u) is out of range K %d N %d", n_cb, K, N);
return -1;
}
- /* Qm range check */
+ /* Qm range check. */
if (!check_bit(op->ldpc_enc.op_flags, RTE_BBDEV_LDPC_INTERLEAVER_BYPASS) &&
((q_m == 0) || ((q_m > 2) && ((q_m % 2) == 1)) || (q_m > 8))) {
rte_bbdev_log(ERR, "Qm (%u) is out of range", q_m);
return -1;
}
- /* K0 range check */
+ /* K0 range check. */
if (((k0 % z_c) > 0) || (k0 >= n_cb) || ((k0 >= (Kp - 2 * z_c)) && (k0 < (K - 2 * z_c)))) {
rte_bbdev_log(ERR, "K0 (%u) is out of range", k0);
return -1;
}
- /* E range check */
+ /* E range check. */
if (e <= RTE_MAX(32, z_c)) {
rte_bbdev_log(ERR, "E is too small %"PRIu32"", e);
return -1;
@@ -1715,7 +1715,7 @@ vc_5gnr_validate_ldpc_enc_op(struct rte_bbdev_enc_op *op)
return -1;
}
}
- /* Code word in RM range check */
+ /* Code word in RM range check. */
if (k0 > (Kp - 2 * z_c))
L = k0 + e;
else
@@ -1815,7 +1815,7 @@ vc_5gnr_validate_ldpc_dec_op(struct rte_bbdev_dec_op *op)
}
z_c = ldpc_dec->z_c;
- /* Check Zc is valid value */
+ /* Check Zc is valid value. */
if ((z_c > 384) || (z_c < 4)) {
rte_bbdev_log(ERR, "Zc (%u) is out of range", z_c);
return -1;
@@ -1864,7 +1864,7 @@ vc_5gnr_validate_ldpc_dec_op(struct rte_bbdev_dec_op *op)
rte_bbdev_log(ERR, "TB mode not supported");
return -1;
}
- /* Enforce HARQ input length */
+ /* Enforce HARQ input length. */
ldpc_dec->harq_combined_input.length = RTE_MIN((uint32_t) n_cb,
ldpc_dec->harq_combined_input.length);
if ((ldpc_dec->harq_combined_input.length == 0) &&
@@ -1881,7 +1881,7 @@ vc_5gnr_validate_ldpc_dec_op(struct rte_bbdev_dec_op *op)
ldpc_dec->harq_combined_input.length = 0;
}
- /* K' range check */
+ /* K' range check. */
if (Kp % 8 > 0) {
rte_bbdev_log(ERR, "K' not byte aligned %u", Kp);
return -1;
@@ -1898,12 +1898,12 @@ vc_5gnr_validate_ldpc_dec_op(struct rte_bbdev_dec_op *op)
rte_bbdev_log(ERR, "K - F invalid %u %u", K, n_filler);
return -1;
}
- /* Ncb range check */
+ /* Ncb range check. */
if (n_cb != N) {
rte_bbdev_log(ERR, "Ncb (%u) is out of range K %d N %d", n_cb, K, N);
return -1;
}
- /* Qm range check */
+ /* Qm range check. */
if (!check_bit(op->ldpc_dec.op_flags,
RTE_BBDEV_LDPC_INTERLEAVER_BYPASS) &&
((q_m == 0) || ((q_m > 2) && ((q_m % 2) == 1))
@@ -1911,12 +1911,12 @@ vc_5gnr_validate_ldpc_dec_op(struct rte_bbdev_dec_op *op)
rte_bbdev_log(ERR, "Qm (%u) is out of range", q_m);
return -1;
}
- /* K0 range check */
+ /* K0 range check. */
if (((k0 % z_c) > 0) || (k0 >= n_cb) || ((k0 >= (Kp - 2 * z_c)) && (k0 < (K - 2 * z_c)))) {
rte_bbdev_log(ERR, "K0 (%u) is out of range", k0);
return -1;
}
- /* E range check */
+ /* E range check. */
if (e <= RTE_MAX(32, z_c)) {
rte_bbdev_log(ERR, "E is too small");
return -1;
@@ -1931,7 +1931,7 @@ vc_5gnr_validate_ldpc_dec_op(struct rte_bbdev_dec_op *op)
return -1;
}
}
- /* Code word in RM range check */
+ /* Code word in RM range check. */
if (k0 > (Kp - 2 * z_c))
L = k0 + e;
else
@@ -1989,9 +1989,9 @@ static inline void
fpga_5gnr_mutex_acquisition(struct fpga_5gnr_queue *q)
{
uint32_t mutex_ctrl, mutex_read, cnt = 0;
- /* Assign a unique id for the duration of the DDR access */
+ /* Assign a unique id for the duration of the DDR access. */
q->ddr_mutex_uuid = rand();
- /* Request and wait for acquisition of the mutex */
+ /* Request and wait for acquisition of the mutex. */
mutex_ctrl = (q->ddr_mutex_uuid << 16) + 1;
do {
if (cnt > 0)
@@ -2186,7 +2186,7 @@ enqueue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_enc_op *o
}
}
- /* Clear op status */
+ /* Clear op status. */
op->status = 0;
if (m_in == NULL || m_out == NULL) {
@@ -2207,7 +2207,7 @@ enqueue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_enc_op *o
c = 1;
e = enc->cb_params.e;
- /* Update total_left */
+ /* Update total_left. */
K = (enc->basegraph == 1 ? 22 : 10) * enc->z_c;
k_ = K - enc->n_filler;
in_length = (k_ - crc24_bits) >> 3;
@@ -2215,7 +2215,7 @@ enqueue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_enc_op *o
total_left = rte_pktmbuf_data_len(m_in) - in_offset;
- /* Update offsets */
+ /* Update offsets. */
if (total_left != in_length) {
op->status |= 1 << RTE_BBDEV_DATA_ERROR;
rte_bbdev_log(ERR,
@@ -2243,7 +2243,7 @@ enqueue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_enc_op *o
if (unlikely(ret < 0))
return ret;
- /* Update lengths */
+ /* Update lengths. */
total_left -= in_length;
op->ldpc_enc.output.length += out_length;
@@ -2287,10 +2287,10 @@ vc_5gnr_enqueue_ldpc_dec_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_d
return -EINVAL;
}
- /* Clear op status */
+ /* Clear op status. */
op->status = 0;
- /* Setup DMA Descriptor */
+ /* Setup DMA Descriptor. */
ring_offset = fpga_5gnr_desc_idx_tail(q, desc_offset);
desc = vc_5gnr_get_desc_tail(q, desc_offset);
@@ -2317,16 +2317,16 @@ vc_5gnr_enqueue_ldpc_dec_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_d
ret = -1;
}
- /* Set descriptor for dequeue */
+ /* Set descriptor for dequeue. */
desc->dec_req.done = 1;
desc->dec_req.error = 0;
desc->dec_req.op_addr = op;
desc->dec_req.cbs_in_op = 1;
- /* Mark this dummy descriptor to be dropped by HW */
+ /* Mark this dummy descriptor to be dropped by HW. */
desc->dec_req.desc_idx = (ring_offset + 1) & q->sw_ring_wrap_mask;
- return ret; /* Error or number of CB */
+ return ret; /* Error or number of CB. */
}
if (m_in == NULL || m_out == NULL) {
@@ -2381,7 +2381,7 @@ vc_5gnr_enqueue_ldpc_dec_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_d
if (unlikely(ret < 0))
return ret;
- /* Update lengths */
+ /* Update lengths. */
seg_total_left -= in_length;
op->ldpc_dec.hard_output.length += out_length;
if (seg_total_left > 0) {
@@ -2532,11 +2532,11 @@ fpga_5gnr_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
union agx100_dma_desc *agx100_desc;
struct fpga_5gnr_fec_device *d = q->d;
- /* Check if queue is not full */
+ /* Check if queue is not full. */
if (unlikely((fpga_5gnr_desc_idx_tail(q, 1)) == q->head_free_desc))
return 0;
- /* Calculates available space */
+ /* Calculates available space. */
avail = (q->head_free_desc > q->tail) ?
q->head_free_desc - q->tail - 1 :
q->ring_ctrl_reg.ring_size + q->head_free_desc - q->tail - 1;
@@ -2573,7 +2573,7 @@ fpga_5gnr_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
fpga_5gnr_dma_enqueue(q, total_enqueued_cbs, &q_data->queue_stats);
- /* Update stats */
+ /* Update stats. */
q_data->queue_stats.enqueued_count += i;
q_data->queue_stats.enqueue_err_count += num - i;
@@ -2592,11 +2592,11 @@ fpga_5gnr_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
union agx100_dma_desc *agx100_desc;
struct fpga_5gnr_fec_device *d = q->d;
- /* Check if queue is not full */
+ /* Check if queue is not full. */
if (unlikely((fpga_5gnr_desc_idx_tail(q, 1)) == q->head_free_desc))
return 0;
- /* Calculates available space */
+ /* Calculates available space. */
avail = (q->head_free_desc > q->tail) ?
q->head_free_desc - q->tail - 1 :
q->ring_ctrl_reg.ring_size + q->head_free_desc - q->tail - 1;
@@ -2627,7 +2627,7 @@ fpga_5gnr_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
q->head_free_desc, q->tail);
}
- /* Update stats */
+ /* Update stats. */
q_data->queue_stats.enqueued_count += i;
q_data->queue_stats.enqueue_err_count += num - i;
@@ -2653,14 +2653,14 @@ vc_5gnr_dequeue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_e
{
union vc_5gnr_dma_desc *desc;
int desc_error;
- /* Set current desc */
+ /* Set current desc. */
desc = vc_5gnr_get_desc(q, desc_offset);
- /*check if done */
+ /*check if done. */
if (desc->enc_req.done == 0)
return -1;
- /* make sure the response is read atomically */
+ /* Make sure the response is read atomically. */
rte_smp_rmb();
rte_bbdev_log_debug("DMA response desc %p", desc);
@@ -2669,7 +2669,7 @@ vc_5gnr_dequeue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_e
vc_5gnr_print_dma_enc_desc_debug_info(desc);
#endif
*op = desc->enc_req.op_addr;
- /* Check the descriptor error field, return 1 on error */
+ /* Check the descriptor error field, return 1 on error. */
desc_error = vc_5gnr_check_desc_error(desc->enc_req.error);
(*op)->status = desc_error << RTE_BBDEV_DATA_ERROR;
@@ -2685,11 +2685,11 @@ agx100_dequeue_ldpc_enc_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_en
/* Set current desc. */
desc = agx100_get_desc(q, desc_offset);
- /*check if done */
+ /*check if done. */
if (desc->enc_req.done == 0)
return -1;
- /* make sure the response is read atomically. */
+ /* Make sure the response is read atomically. */
rte_smp_rmb();
rte_bbdev_log_debug("DMA response desc %p", desc);
@@ -2714,14 +2714,14 @@ vc_5gnr_dequeue_ldpc_dec_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_d
union vc_5gnr_dma_desc *desc;
int desc_error;
- /* Set descriptor */
+ /* Set descriptor. */
desc = vc_5gnr_get_desc(q, desc_offset);
- /* Verify done bit is set */
+ /* Verify done bit is set. */
if (desc->dec_req.done == 0)
return -1;
- /* make sure the response is read atomically */
+ /* Make sure the response is read atomically. */
rte_smp_rmb();
#ifdef RTE_LIBRTE_BBDEV_DEBUG
@@ -2736,17 +2736,17 @@ vc_5gnr_dequeue_ldpc_dec_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_d
return 1;
}
- /* FPGA reports iterations based on round-up minus 1 */
+ /* FPGA reports iterations based on round-up minus 1. */
(*op)->ldpc_dec.iter_count = desc->dec_req.iter + 1;
- /* CRC Check criteria */
+ /* CRC Check criteria. */
if (desc->dec_req.crc24b_ind && !(desc->dec_req.crcb_pass))
(*op)->status = 1 << RTE_BBDEV_CRC_ERROR;
- /* et_pass = 0 when decoder fails */
+ /* et_pass = 0 when decoder fails. */
(*op)->status |= !(desc->dec_req.et_pass) << RTE_BBDEV_SYNDROME_ERROR;
- /* Check the descriptor error field, return 1 on error */
+ /* Check the descriptor error field, return 1 on error. */
desc_error = vc_5gnr_check_desc_error(desc->dec_req.error);
(*op)->status |= desc_error << RTE_BBDEV_DATA_ERROR;
@@ -2767,7 +2767,7 @@ agx100_dequeue_ldpc_dec_one_op_cb(struct fpga_5gnr_queue *q, struct rte_bbdev_de
if (desc->dec_req.done == 0)
return -1;
- /* make sure the response is read atomically. */
+ /* Make sure the response is read atomically. */
rte_smp_rmb();
#ifdef RTE_LIBRTE_BBDEV_DEBUG
@@ -2824,10 +2824,10 @@ fpga_5gnr_dequeue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
dequeued_cbs, num, q->head_free_desc, q->tail);
}
- /* Update head */
+ /* Update head. */
q->head_free_desc = fpga_5gnr_desc_idx(q, dequeued_cbs);
- /* Update stats */
+ /* Update stats. */
q_data->queue_stats.dequeued_count += i;
return i;
@@ -2858,17 +2858,17 @@ fpga_5gnr_dequeue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
dequeued_cbs, num, q->head_free_desc, q->tail);
}
- /* Update head */
+ /* Update head. */
q->head_free_desc = fpga_5gnr_desc_idx(q, dequeued_cbs);
- /* Update stats */
+ /* Update stats. */
q_data->queue_stats.dequeued_count += i;
return i;
}
-/* Initialization Function */
+/* Initialization Function. */
static void
fpga_5gnr_fec_init(struct rte_bbdev *dev, struct rte_pci_driver *drv)
{
@@ -2926,12 +2926,12 @@ fpga_5gnr_fec_probe(struct rte_pci_driver *pci_drv,
rte_pci_device_name(&pci_dev->addr, dev_name, sizeof(dev_name));
- /* Allocate memory to be used privately by drivers */
+ /* Allocate memory to be used privately by drivers. */
bbdev = rte_bbdev_allocate(pci_dev->device.name);
if (bbdev == NULL)
return -ENODEV;
- /* allocate device private memory */
+ /* Allocate device private memory. */
bbdev->data->dev_private = rte_zmalloc_socket(dev_name,
sizeof(struct fpga_5gnr_fec_device),
RTE_CACHE_LINE_SIZE,
@@ -2945,12 +2945,12 @@ fpga_5gnr_fec_probe(struct rte_pci_driver *pci_drv,
return -ENOMEM;
}
- /* Fill HW specific part of device structure */
+ /* Fill HW specific part of device structure. */
bbdev->device = &pci_dev->device;
bbdev->intr_handle = pci_dev->intr_handle;
bbdev->data->socket_id = pci_dev->device.numa_node;
- /* Invoke FPGA 5GNR FEC device initialization function */
+ /* Invoke FPGA 5GNR FEC device initialization function. */
fpga_5gnr_fec_init(bbdev, pci_drv);
rte_bbdev_log_debug("bbdev id = %u [%s]",
@@ -2988,7 +2988,7 @@ fpga_5gnr_fec_remove(struct rte_pci_device *pci_dev)
if (pci_dev == NULL)
return -EINVAL;
- /* Find device */
+ /* Find device. */
bbdev = rte_bbdev_get_named_dev(pci_dev->device.name);
if (bbdev == NULL) {
rte_bbdev_log(CRIT,
@@ -2998,17 +2998,17 @@ fpga_5gnr_fec_remove(struct rte_pci_device *pci_dev)
}
dev_id = bbdev->data->dev_id;
- /* free device private memory before close */
+ /* Free device private memory before close. */
rte_free(bbdev->data->dev_private);
- /* Close device */
+ /* Close device. */
ret = rte_bbdev_close(dev_id);
if (ret < 0)
rte_bbdev_log(ERR,
"Device %i failed to close during uninit: %i",
dev_id, ret);
- /* release bbdev from library */
+ /* Release bbdev from library. */
ret = rte_bbdev_release(bbdev);
if (ret)
rte_bbdev_log(ERR, "Device %i failed to uninit: %i", dev_id, ret);
@@ -3021,16 +3021,16 @@ fpga_5gnr_fec_remove(struct rte_pci_device *pci_dev)
static inline void
fpga_5gnr_set_default_conf(struct rte_fpga_5gnr_fec_conf *def_conf)
{
- /* clear default configuration before initialization */
+ /* Clear default configuration before initialization. */
memset(def_conf, 0, sizeof(struct rte_fpga_5gnr_fec_conf));
- /* Set pf mode to true */
+ /* Set pf mode to true. */
def_conf->pf_mode_en = true;
/* Set ratio between UL and DL to 1:1 (unit of weight is 3 CBs) */
def_conf->ul_bandwidth = 3;
def_conf->dl_bandwidth = 3;
- /* Set Load Balance Factor to 64 */
+ /* Set Load Balance Factor to 64. */
def_conf->dl_load_balance = 64;
def_conf->ul_load_balance = 64;
}
@@ -3070,7 +3070,7 @@ static int vc_5gnr_configure(const char *dev_name, const struct rte_fpga_5gnr_fe
address = VC_5GNR_CONFIGURATION;
fpga_5gnr_reg_write_16(d->mmio_base, address, payload_16);
- /* Clear all queues registers */
+ /* Clear all queues registers. */
payload_32 = FPGA_5GNR_INVALID_HW_QUEUE_ID;
for (q_id = 0; q_id < d->total_num_queues; ++q_id) {
address = (q_id << 2) + VC_5GNR_QUEUE_MAP;
@@ -3138,7 +3138,7 @@ static int vc_5gnr_configure(const char *dev_name, const struct rte_fpga_5gnr_fe
fpga_5gnr_reg_write_32(d->mmio_base, address, payload_32);
}
} else {
- /* Calculate total number of UL and DL queues to configure */
+ /* Calculate total number of UL and DL queues to configure. */
total_ul_q_id = total_dl_q_id = 0;
for (vf_id = 0; vf_id < FPGA_5GNR_FEC_NUM_VFS; ++vf_id) {
total_ul_q_id += conf->vf_ul_queues_number[vf_id];
@@ -3181,17 +3181,17 @@ static int vc_5gnr_configure(const char *dev_name, const struct rte_fpga_5gnr_fe
}
}
- /* Setting Load Balance Factor */
+ /* Setting Load Balance Factor. */
payload_16 = (conf->dl_load_balance << 8) | (conf->ul_load_balance);
address = FPGA_5GNR_FEC_LOAD_BALANCE_FACTOR;
fpga_5gnr_reg_write_16(d->mmio_base, address, payload_16);
- /* Setting length of ring descriptor entry */
+ /* Setting length of ring descriptor entry. */
payload_16 = FPGA_5GNR_RING_DESC_ENTRY_LENGTH;
address = FPGA_5GNR_FEC_RING_DESC_LEN;
fpga_5gnr_reg_write_16(d->mmio_base, address, payload_16);
- /* Queue PF/VF mapping table is ready */
+ /* Queue PF/VF mapping table is ready. */
payload_8 = 0x1;
address = FPGA_5GNR_FEC_QUEUE_PF_VF_MAP_DONE;
fpga_5gnr_reg_write_8(d->mmio_base, address, payload_8);
@@ -3234,7 +3234,7 @@ static int agx100_configure(const char *dev_name, const struct rte_fpga_5gnr_fec
uint8_t num_ul_queues = total_num_queues >> 1;
uint8_t num_dl_queues = total_num_queues >> 1;
- /* Clear all queues registers */
+ /* Clear all queues registers. */
payload_32 = FPGA_5GNR_INVALID_HW_QUEUE_ID;
for (q_id = 0; q_id < total_num_queues; ++q_id) {
address = (q_id << 2) + AGX100_QUEUE_MAP;
@@ -3385,7 +3385,7 @@ int rte_fpga_5gnr_fec_configure(const char *dev_name, const struct rte_fpga_5gnr
return -ENODEV;
}
-/* FPGA 5GNR FEC PCI PF address map */
+/* FPGA 5GNR FEC PCI PF address map. */
static struct rte_pci_id pci_id_fpga_5gnr_fec_pf_map[] = {
{
RTE_PCI_DEVICE(AGX100_VENDOR_ID, AGX100_PF_DEVICE_ID)
@@ -3403,7 +3403,7 @@ static struct rte_pci_driver fpga_5gnr_fec_pci_pf_driver = {
.drv_flags = RTE_PCI_DRV_NEED_MAPPING
};
-/* FPGA 5GNR FEC PCI VF address map */
+/* FPGA 5GNR FEC PCI VF address map. */
static struct rte_pci_id pci_id_fpga_5gnr_fec_vf_map[] = {
{
RTE_PCI_DEVICE(AGX100_VENDOR_ID, AGX100_VF_DEVICE_ID)
@@ -25,26 +25,26 @@
extern "C" {
#endif
-/** Number of Virtual Functions FPGA 5GNR FEC supports */
+/** Number of Virtual Functions FPGA 5GNR FEC supports. */
#define FPGA_5GNR_FEC_NUM_VFS 8
/**
* Structure to pass FPGA 5GNR FEC configuration.
*/
struct rte_fpga_5gnr_fec_conf {
- /** 1 if PF is used for dataplane, 0 for VFs */
+ /** 1 if PF is used for dataplane, 0 for VFs. */
bool pf_mode_en;
- /** Number of UL queues per VF */
+ /** Number of UL queues per VF. */
uint8_t vf_ul_queues_number[FPGA_5GNR_FEC_NUM_VFS];
- /** Number of DL queues per VF */
+ /** Number of DL queues per VF. */
uint8_t vf_dl_queues_number[FPGA_5GNR_FEC_NUM_VFS];
- /** UL bandwidth. Needed only for VC schedule algorithm */
+ /** UL bandwidth. Needed only for VC schedule algorithm. */
uint8_t ul_bandwidth;
- /** DL bandwidth. Needed only for VC schedule algorithm */
+ /** DL bandwidth. Needed only for VC schedule algorithm. */
uint8_t dl_bandwidth;
- /** UL Load Balance */
+ /** UL Load Balance. */
uint8_t ul_load_balance;
- /** DL Load Balance */
+ /** DL Load Balance. */
uint8_t dl_load_balance;
};