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dpaa2_ethdev.c
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dpaa2_ethdev.c
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/* * SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2016 Freescale Semiconductor, Inc. All rights reserved.
* Copyright 2016 NXP
*
*/
#include <time.h>
#include <net/if.h>
#include <rte_mbuf.h>
#include <rte_ethdev_driver.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
#include <rte_string_fns.h>
#include <rte_cycles.h>
#include <rte_kvargs.h>
#include <rte_dev.h>
#include <rte_fslmc.h>
#include <rte_flow_driver.h>
#include "dpaa2_pmd_logs.h"
#include <fslmc_vfio.h>
#include <dpaa2_hw_pvt.h>
#include <dpaa2_hw_mempool.h>
#include <dpaa2_hw_dpio.h>
#include <mc/fsl_dpmng.h>
#include "dpaa2_ethdev.h"
#include "dpaa2_sparser.h"
#include <fsl_qbman_debug.h>
#define DRIVER_LOOPBACK_MODE "drv_loopback"
#define DRIVER_NO_PREFETCH_MODE "drv_no_prefetch"
/* Supported Rx offloads */
static uint64_t dev_rx_offloads_sup =
DEV_RX_OFFLOAD_CHECKSUM |
DEV_RX_OFFLOAD_SCTP_CKSUM |
DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
DEV_RX_OFFLOAD_OUTER_UDP_CKSUM |
DEV_RX_OFFLOAD_VLAN_STRIP |
DEV_RX_OFFLOAD_VLAN_FILTER |
DEV_RX_OFFLOAD_JUMBO_FRAME |
DEV_RX_OFFLOAD_TIMESTAMP;
/* Rx offloads which cannot be disabled */
static uint64_t dev_rx_offloads_nodis =
DEV_RX_OFFLOAD_SCATTER;
/* Supported Tx offloads */
static uint64_t dev_tx_offloads_sup =
DEV_TX_OFFLOAD_VLAN_INSERT |
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM |
DEV_TX_OFFLOAD_SCTP_CKSUM |
DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
DEV_TX_OFFLOAD_MT_LOCKFREE |
DEV_TX_OFFLOAD_MBUF_FAST_FREE;
/* Tx offloads which cannot be disabled */
static uint64_t dev_tx_offloads_nodis =
DEV_TX_OFFLOAD_MULTI_SEGS;
/* enable timestamp in mbuf */
enum pmd_dpaa2_ts dpaa2_enable_ts;
struct rte_dpaa2_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
uint8_t page_id; /* dpni statistics page id */
uint8_t stats_id; /* stats id in the given page */
};
static const struct rte_dpaa2_xstats_name_off dpaa2_xstats_strings[] = {
{"ingress_multicast_frames", 0, 2},
{"ingress_multicast_bytes", 0, 3},
{"ingress_broadcast_frames", 0, 4},
{"ingress_broadcast_bytes", 0, 5},
{"egress_multicast_frames", 1, 2},
{"egress_multicast_bytes", 1, 3},
{"egress_broadcast_frames", 1, 4},
{"egress_broadcast_bytes", 1, 5},
{"ingress_filtered_frames", 2, 0},
{"ingress_discarded_frames", 2, 1},
{"ingress_nobuffer_discards", 2, 2},
{"egress_discarded_frames", 2, 3},
{"egress_confirmed_frames", 2, 4},
{"cgr_reject_frames", 4, 0},
{"cgr_reject_bytes", 4, 1},
};
static const enum rte_filter_op dpaa2_supported_filter_ops[] = {
RTE_ETH_FILTER_ADD,
RTE_ETH_FILTER_DELETE,
RTE_ETH_FILTER_UPDATE,
RTE_ETH_FILTER_FLUSH,
RTE_ETH_FILTER_GET
};
static struct rte_dpaa2_driver rte_dpaa2_pmd;
static int dpaa2_dev_uninit(struct rte_eth_dev *eth_dev);
static int dpaa2_dev_link_update(struct rte_eth_dev *dev,
int wait_to_complete);
static int dpaa2_dev_set_link_up(struct rte_eth_dev *dev);
static int dpaa2_dev_set_link_down(struct rte_eth_dev *dev);
static int dpaa2_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
int dpaa2_logtype_pmd;
void
rte_pmd_dpaa2_set_timestamp(enum pmd_dpaa2_ts enable)
{
dpaa2_enable_ts = enable;
}
static int
dpaa2_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{
int ret;
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = dev->process_private;
PMD_INIT_FUNC_TRACE();
if (dpni == NULL) {
DPAA2_PMD_ERR("dpni is NULL");
return -1;
}
if (on)
ret = dpni_add_vlan_id(dpni, CMD_PRI_LOW,
priv->token, vlan_id);
else
ret = dpni_remove_vlan_id(dpni, CMD_PRI_LOW,
priv->token, vlan_id);
if (ret < 0)
DPAA2_PMD_ERR("ret = %d Unable to add/rem vlan %d hwid =%d",
ret, vlan_id, priv->hw_id);
return ret;
}
static int
dpaa2_vlan_offload_set(struct rte_eth_dev *dev, int mask)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = dev->process_private;
int ret;
PMD_INIT_FUNC_TRACE();
if (mask & ETH_VLAN_FILTER_MASK) {
/* VLAN Filter not avaialble */
if (!priv->max_vlan_filters) {
DPAA2_PMD_INFO("VLAN filter not available");
goto next_mask;
}
if (dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_FILTER)
ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
priv->token, true);
else
ret = dpni_enable_vlan_filter(dpni, CMD_PRI_LOW,
priv->token, false);
if (ret < 0)
DPAA2_PMD_INFO("Unable to set vlan filter = %d", ret);
}
next_mask:
if (mask & ETH_VLAN_EXTEND_MASK) {
if (dev->data->dev_conf.rxmode.offloads &
DEV_RX_OFFLOAD_VLAN_EXTEND)
DPAA2_PMD_INFO("VLAN extend offload not supported");
}
return 0;
}
static int
dpaa2_vlan_tpid_set(struct rte_eth_dev *dev,
enum rte_vlan_type vlan_type __rte_unused,
uint16_t tpid)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = dev->process_private;
int ret = -ENOTSUP;
PMD_INIT_FUNC_TRACE();
/* nothing to be done for standard vlan tpids */
if (tpid == 0x8100 || tpid == 0x88A8)
return 0;
ret = dpni_add_custom_tpid(dpni, CMD_PRI_LOW,
priv->token, tpid);
if (ret < 0)
DPAA2_PMD_INFO("Unable to set vlan tpid = %d", ret);
/* if already configured tpids, remove them first */
if (ret == -EBUSY) {
struct dpni_custom_tpid_cfg tpid_list = {0};
ret = dpni_get_custom_tpid(dpni, CMD_PRI_LOW,
priv->token, &tpid_list);
if (ret < 0)
goto fail;
ret = dpni_remove_custom_tpid(dpni, CMD_PRI_LOW,
priv->token, tpid_list.tpid1);
if (ret < 0)
goto fail;
ret = dpni_add_custom_tpid(dpni, CMD_PRI_LOW,
priv->token, tpid);
}
fail:
return ret;
}
static int
dpaa2_fw_version_get(struct rte_eth_dev *dev,
char *fw_version,
size_t fw_size)
{
int ret;
struct fsl_mc_io *dpni = dev->process_private;
struct mc_soc_version mc_plat_info = {0};
struct mc_version mc_ver_info = {0};
PMD_INIT_FUNC_TRACE();
if (mc_get_soc_version(dpni, CMD_PRI_LOW, &mc_plat_info))
DPAA2_PMD_WARN("\tmc_get_soc_version failed");
if (mc_get_version(dpni, CMD_PRI_LOW, &mc_ver_info))
DPAA2_PMD_WARN("\tmc_get_version failed");
ret = snprintf(fw_version, fw_size,
"%x-%d.%d.%d",
mc_plat_info.svr,
mc_ver_info.major,
mc_ver_info.minor,
mc_ver_info.revision);
ret += 1; /* add the size of '\0' */
if (fw_size < (uint32_t)ret)
return ret;
else
return 0;
}
static int
dpaa2_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
dev_info->if_index = priv->hw_id;
dev_info->max_mac_addrs = priv->max_mac_filters;
dev_info->max_rx_pktlen = DPAA2_MAX_RX_PKT_LEN;
dev_info->min_rx_bufsize = DPAA2_MIN_RX_BUF_SIZE;
dev_info->max_rx_queues = (uint16_t)priv->nb_rx_queues;
dev_info->max_tx_queues = (uint16_t)priv->nb_tx_queues;
dev_info->rx_offload_capa = dev_rx_offloads_sup |
dev_rx_offloads_nodis;
dev_info->tx_offload_capa = dev_tx_offloads_sup |
dev_tx_offloads_nodis;
dev_info->speed_capa = ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_2_5G |
ETH_LINK_SPEED_10G;
dev_info->max_hash_mac_addrs = 0;
dev_info->max_vfs = 0;
dev_info->max_vmdq_pools = ETH_16_POOLS;
dev_info->flow_type_rss_offloads = DPAA2_RSS_OFFLOAD_ALL;
return 0;
}
static int
dpaa2_alloc_rx_tx_queues(struct rte_eth_dev *dev)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
uint16_t dist_idx;
uint32_t vq_id;
uint8_t num_rxqueue_per_tc;
struct dpaa2_queue *mc_q, *mcq;
uint32_t tot_queues;
int i;
struct dpaa2_queue *dpaa2_q;
PMD_INIT_FUNC_TRACE();
num_rxqueue_per_tc = (priv->nb_rx_queues / priv->num_rx_tc);
if (priv->tx_conf_en)
tot_queues = priv->nb_rx_queues + 2 * priv->nb_tx_queues;
else
tot_queues = priv->nb_rx_queues + priv->nb_tx_queues;
mc_q = rte_malloc(NULL, sizeof(struct dpaa2_queue) * tot_queues,
RTE_CACHE_LINE_SIZE);
if (!mc_q) {
DPAA2_PMD_ERR("Memory allocation failed for rx/tx queues");
return -1;
}
for (i = 0; i < priv->nb_rx_queues; i++) {
mc_q->eth_data = dev->data;
priv->rx_vq[i] = mc_q++;
dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
dpaa2_q->q_storage = rte_malloc("dq_storage",
sizeof(struct queue_storage_info_t),
RTE_CACHE_LINE_SIZE);
if (!dpaa2_q->q_storage)
goto fail;
memset(dpaa2_q->q_storage, 0,
sizeof(struct queue_storage_info_t));
if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
goto fail;
}
for (i = 0; i < priv->nb_tx_queues; i++) {
mc_q->eth_data = dev->data;
mc_q->flow_id = 0xffff;
priv->tx_vq[i] = mc_q++;
dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
dpaa2_q->cscn = rte_malloc(NULL,
sizeof(struct qbman_result), 16);
if (!dpaa2_q->cscn)
goto fail_tx;
}
if (priv->tx_conf_en) {
/*Setup tx confirmation queues*/
for (i = 0; i < priv->nb_tx_queues; i++) {
mc_q->eth_data = dev->data;
mc_q->tc_index = i;
mc_q->flow_id = 0;
priv->tx_conf_vq[i] = mc_q++;
dpaa2_q = (struct dpaa2_queue *)priv->tx_conf_vq[i];
dpaa2_q->q_storage =
rte_malloc("dq_storage",
sizeof(struct queue_storage_info_t),
RTE_CACHE_LINE_SIZE);
if (!dpaa2_q->q_storage)
goto fail_tx_conf;
memset(dpaa2_q->q_storage, 0,
sizeof(struct queue_storage_info_t));
if (dpaa2_alloc_dq_storage(dpaa2_q->q_storage))
goto fail_tx_conf;
}
}
vq_id = 0;
for (dist_idx = 0; dist_idx < priv->nb_rx_queues; dist_idx++) {
mcq = (struct dpaa2_queue *)priv->rx_vq[vq_id];
mcq->tc_index = dist_idx / num_rxqueue_per_tc;
mcq->flow_id = dist_idx % num_rxqueue_per_tc;
vq_id++;
}
return 0;
fail_tx_conf:
i -= 1;
while (i >= 0) {
dpaa2_q = (struct dpaa2_queue *)priv->tx_conf_vq[i];
rte_free(dpaa2_q->q_storage);
priv->tx_conf_vq[i--] = NULL;
}
i = priv->nb_tx_queues;
fail_tx:
i -= 1;
while (i >= 0) {
dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
rte_free(dpaa2_q->cscn);
priv->tx_vq[i--] = NULL;
}
i = priv->nb_rx_queues;
fail:
i -= 1;
mc_q = priv->rx_vq[0];
while (i >= 0) {
dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
dpaa2_free_dq_storage(dpaa2_q->q_storage);
rte_free(dpaa2_q->q_storage);
priv->rx_vq[i--] = NULL;
}
rte_free(mc_q);
return -1;
}
static void
dpaa2_free_rx_tx_queues(struct rte_eth_dev *dev)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct dpaa2_queue *dpaa2_q;
int i;
PMD_INIT_FUNC_TRACE();
/* Queue allocation base */
if (priv->rx_vq[0]) {
/* cleaning up queue storage */
for (i = 0; i < priv->nb_rx_queues; i++) {
dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[i];
if (dpaa2_q->q_storage)
rte_free(dpaa2_q->q_storage);
}
/* cleanup tx queue cscn */
for (i = 0; i < priv->nb_tx_queues; i++) {
dpaa2_q = (struct dpaa2_queue *)priv->tx_vq[i];
rte_free(dpaa2_q->cscn);
}
if (priv->tx_conf_en) {
/* cleanup tx conf queue storage */
for (i = 0; i < priv->nb_tx_queues; i++) {
dpaa2_q = (struct dpaa2_queue *)
priv->tx_conf_vq[i];
rte_free(dpaa2_q->q_storage);
}
}
/*free memory for all queues (RX+TX) */
rte_free(priv->rx_vq[0]);
priv->rx_vq[0] = NULL;
}
}
static int
dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = dev->process_private;
struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
uint64_t rx_offloads = eth_conf->rxmode.offloads;
uint64_t tx_offloads = eth_conf->txmode.offloads;
int rx_l3_csum_offload = false;
int rx_l4_csum_offload = false;
int tx_l3_csum_offload = false;
int tx_l4_csum_offload = false;
int ret;
PMD_INIT_FUNC_TRACE();
/* Rx offloads which are enabled by default */
if (dev_rx_offloads_nodis & ~rx_offloads) {
DPAA2_PMD_INFO(
"Some of rx offloads enabled by default - requested 0x%" PRIx64
" fixed are 0x%" PRIx64,
rx_offloads, dev_rx_offloads_nodis);
}
/* Tx offloads which are enabled by default */
if (dev_tx_offloads_nodis & ~tx_offloads) {
DPAA2_PMD_INFO(
"Some of tx offloads enabled by default - requested 0x%" PRIx64
" fixed are 0x%" PRIx64,
tx_offloads, dev_tx_offloads_nodis);
}
if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
if (eth_conf->rxmode.max_rx_pkt_len <= DPAA2_MAX_RX_PKT_LEN) {
ret = dpni_set_max_frame_length(dpni, CMD_PRI_LOW,
priv->token, eth_conf->rxmode.max_rx_pkt_len
- RTE_ETHER_CRC_LEN);
if (ret) {
DPAA2_PMD_ERR(
"Unable to set mtu. check config");
return ret;
}
dev->data->mtu =
dev->data->dev_conf.rxmode.max_rx_pkt_len -
RTE_ETHER_HDR_LEN - RTE_ETHER_CRC_LEN -
VLAN_TAG_SIZE;
} else {
return -1;
}
}
if (eth_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) {
ret = dpaa2_setup_flow_dist(dev,
eth_conf->rx_adv_conf.rss_conf.rss_hf);
if (ret) {
DPAA2_PMD_ERR("Unable to set flow distribution."
"Check queue config");
return ret;
}
}
if (rx_offloads & DEV_RX_OFFLOAD_IPV4_CKSUM)
rx_l3_csum_offload = true;
if ((rx_offloads & DEV_RX_OFFLOAD_UDP_CKSUM) ||
(rx_offloads & DEV_RX_OFFLOAD_TCP_CKSUM) ||
(rx_offloads & DEV_RX_OFFLOAD_SCTP_CKSUM))
rx_l4_csum_offload = true;
ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
DPNI_OFF_RX_L3_CSUM, rx_l3_csum_offload);
if (ret) {
DPAA2_PMD_ERR("Error to set RX l3 csum:Error = %d", ret);
return ret;
}
ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
DPNI_OFF_RX_L4_CSUM, rx_l4_csum_offload);
if (ret) {
DPAA2_PMD_ERR("Error to get RX l4 csum:Error = %d", ret);
return ret;
}
if (rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP)
dpaa2_enable_ts = true;
if (tx_offloads & DEV_TX_OFFLOAD_IPV4_CKSUM)
tx_l3_csum_offload = true;
if ((tx_offloads & DEV_TX_OFFLOAD_UDP_CKSUM) ||
(tx_offloads & DEV_TX_OFFLOAD_TCP_CKSUM) ||
(tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM))
tx_l4_csum_offload = true;
ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
DPNI_OFF_TX_L3_CSUM, tx_l3_csum_offload);
if (ret) {
DPAA2_PMD_ERR("Error to set TX l3 csum:Error = %d", ret);
return ret;
}
ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
DPNI_OFF_TX_L4_CSUM, tx_l4_csum_offload);
if (ret) {
DPAA2_PMD_ERR("Error to get TX l4 csum:Error = %d", ret);
return ret;
}
/* Enabling hash results in FD requires setting DPNI_FLCTYPE_HASH in
* dpni_set_offload API. Setting this FLCTYPE for DPNI sets the FD[SC]
* to 0 for LS2 in the hardware thus disabling data/annotation
* stashing. For LX2 this is fixed in hardware and thus hash result and
* parse results can be received in FD using this option.
*/
if (dpaa2_svr_family == SVR_LX2160A) {
ret = dpni_set_offload(dpni, CMD_PRI_LOW, priv->token,
DPNI_FLCTYPE_HASH, true);
if (ret) {
DPAA2_PMD_ERR("Error setting FLCTYPE: Err = %d", ret);
return ret;
}
}
if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
dpaa2_vlan_offload_set(dev, ETH_VLAN_FILTER_MASK);
/* update the current status */
dpaa2_dev_link_update(dev, 0);
return 0;
}
/* Function to setup RX flow information. It contains traffic class ID,
* flow ID, destination configuration etc.
*/
static int
dpaa2_dev_rx_queue_setup(struct rte_eth_dev *dev,
uint16_t rx_queue_id,
uint16_t nb_rx_desc,
unsigned int socket_id __rte_unused,
const struct rte_eth_rxconf *rx_conf __rte_unused,
struct rte_mempool *mb_pool)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = (struct fsl_mc_io *)dev->process_private;
struct dpaa2_queue *dpaa2_q;
struct dpni_queue cfg;
uint8_t options = 0;
uint8_t flow_id;
uint32_t bpid;
int i, ret;
PMD_INIT_FUNC_TRACE();
DPAA2_PMD_DEBUG("dev =%p, queue =%d, pool = %p, conf =%p",
dev, rx_queue_id, mb_pool, rx_conf);
if (!priv->bp_list || priv->bp_list->mp != mb_pool) {
bpid = mempool_to_bpid(mb_pool);
ret = dpaa2_attach_bp_list(priv,
rte_dpaa2_bpid_info[bpid].bp_list);
if (ret)
return ret;
}
dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
dpaa2_q->mb_pool = mb_pool; /**< mbuf pool to populate RX ring. */
dpaa2_q->bp_array = rte_dpaa2_bpid_info;
/*Get the flow id from given VQ id*/
flow_id = dpaa2_q->flow_id;
memset(&cfg, 0, sizeof(struct dpni_queue));
options = options | DPNI_QUEUE_OPT_USER_CTX;
cfg.user_context = (size_t)(dpaa2_q);
/* check if a private cgr available. */
for (i = 0; i < priv->max_cgs; i++) {
if (!priv->cgid_in_use[i]) {
priv->cgid_in_use[i] = 1;
break;
}
}
if (i < priv->max_cgs) {
options |= DPNI_QUEUE_OPT_SET_CGID;
cfg.cgid = i;
dpaa2_q->cgid = cfg.cgid;
} else {
dpaa2_q->cgid = 0xff;
}
/*if ls2088 or rev2 device, enable the stashing */
if ((dpaa2_svr_family & 0xffff0000) != SVR_LS2080A) {
options |= DPNI_QUEUE_OPT_FLC;
cfg.flc.stash_control = true;
cfg.flc.value &= 0xFFFFFFFFFFFFFFC0;
/* 00 00 00 - last 6 bit represent annotation, context stashing,
* data stashing setting 01 01 00 (0x14)
* (in following order ->DS AS CS)
* to enable 1 line data, 1 line annotation.
* For LX2, this setting should be 01 00 00 (0x10)
*/
if ((dpaa2_svr_family & 0xffff0000) == SVR_LX2160A)
cfg.flc.value |= 0x10;
else
cfg.flc.value |= 0x14;
}
ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_RX,
dpaa2_q->tc_index, flow_id, options, &cfg);
if (ret) {
DPAA2_PMD_ERR("Error in setting the rx flow: = %d", ret);
return -1;
}
if (!(priv->flags & DPAA2_RX_TAILDROP_OFF)) {
struct dpni_taildrop taildrop;
taildrop.enable = 1;
/* Private CGR will use tail drop length as nb_rx_desc.
* for rest cases we can use standard byte based tail drop.
* There is no HW restriction, but number of CGRs are limited,
* hence this restriction is placed.
*/
if (dpaa2_q->cgid != 0xff) {
/*enabling per rx queue congestion control */
taildrop.threshold = nb_rx_desc;
taildrop.units = DPNI_CONGESTION_UNIT_FRAMES;
taildrop.oal = 0;
DPAA2_PMD_DEBUG("Enabling CG Tail Drop on queue = %d",
rx_queue_id);
ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
DPNI_CP_CONGESTION_GROUP,
DPNI_QUEUE_RX,
dpaa2_q->tc_index,
flow_id, &taildrop);
} else {
/*enabling per rx queue congestion control */
taildrop.threshold = CONG_THRESHOLD_RX_BYTES_Q;
taildrop.units = DPNI_CONGESTION_UNIT_BYTES;
taildrop.oal = CONG_RX_OAL;
DPAA2_PMD_DEBUG("Enabling Byte based Drop on queue= %d",
rx_queue_id);
ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
DPNI_CP_QUEUE, DPNI_QUEUE_RX,
dpaa2_q->tc_index, flow_id,
&taildrop);
}
if (ret) {
DPAA2_PMD_ERR("Error in setting taildrop. err=(%d)",
ret);
return -1;
}
} else { /* Disable tail Drop */
struct dpni_taildrop taildrop = {0};
DPAA2_PMD_INFO("Tail drop is disabled on queue");
taildrop.enable = 0;
if (dpaa2_q->cgid != 0xff) {
ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
DPNI_CP_CONGESTION_GROUP, DPNI_QUEUE_RX,
dpaa2_q->tc_index,
flow_id, &taildrop);
} else {
ret = dpni_set_taildrop(dpni, CMD_PRI_LOW, priv->token,
DPNI_CP_QUEUE, DPNI_QUEUE_RX,
dpaa2_q->tc_index, flow_id, &taildrop);
}
if (ret) {
DPAA2_PMD_ERR("Error in setting taildrop. err=(%d)",
ret);
return -1;
}
}
dev->data->rx_queues[rx_queue_id] = dpaa2_q;
return 0;
}
static int
dpaa2_dev_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t tx_queue_id,
uint16_t nb_tx_desc __rte_unused,
unsigned int socket_id __rte_unused,
const struct rte_eth_txconf *tx_conf __rte_unused)
{
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)
priv->tx_vq[tx_queue_id];
struct dpaa2_queue *dpaa2_tx_conf_q = (struct dpaa2_queue *)
priv->tx_conf_vq[tx_queue_id];
struct fsl_mc_io *dpni = dev->process_private;
struct dpni_queue tx_conf_cfg;
struct dpni_queue tx_flow_cfg;
uint8_t options = 0, flow_id;
struct dpni_queue_id qid;
uint32_t tc_id;
int ret;
PMD_INIT_FUNC_TRACE();
/* Return if queue already configured */
if (dpaa2_q->flow_id != 0xffff) {
dev->data->tx_queues[tx_queue_id] = dpaa2_q;
return 0;
}
memset(&tx_conf_cfg, 0, sizeof(struct dpni_queue));
memset(&tx_flow_cfg, 0, sizeof(struct dpni_queue));
tc_id = tx_queue_id;
flow_id = 0;
ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token, DPNI_QUEUE_TX,
tc_id, flow_id, options, &tx_flow_cfg);
if (ret) {
DPAA2_PMD_ERR("Error in setting the tx flow: "
"tc_id=%d, flow=%d err=%d",
tc_id, flow_id, ret);
return -1;
}
dpaa2_q->flow_id = flow_id;
if (tx_queue_id == 0) {
/*Set tx-conf and error configuration*/
if (priv->tx_conf_en)
ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
priv->token,
DPNI_CONF_AFFINE);
else
ret = dpni_set_tx_confirmation_mode(dpni, CMD_PRI_LOW,
priv->token,
DPNI_CONF_DISABLE);
if (ret) {
DPAA2_PMD_ERR("Error in set tx conf mode settings: "
"err=%d", ret);
return -1;
}
}
dpaa2_q->tc_index = tc_id;
ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
DPNI_QUEUE_TX, dpaa2_q->tc_index,
dpaa2_q->flow_id, &tx_flow_cfg, &qid);
if (ret) {
DPAA2_PMD_ERR("Error in getting LFQID err=%d", ret);
return -1;
}
dpaa2_q->fqid = qid.fqid;
if (!(priv->flags & DPAA2_TX_CGR_OFF)) {
struct dpni_congestion_notification_cfg cong_notif_cfg = {0};
cong_notif_cfg.units = DPNI_CONGESTION_UNIT_FRAMES;
cong_notif_cfg.threshold_entry = CONG_ENTER_TX_THRESHOLD;
/* Notify that the queue is not congested when the data in
* the queue is below this thershold.
*/
cong_notif_cfg.threshold_exit = CONG_EXIT_TX_THRESHOLD;
cong_notif_cfg.message_ctx = 0;
cong_notif_cfg.message_iova =
(size_t)DPAA2_VADDR_TO_IOVA(dpaa2_q->cscn);
cong_notif_cfg.dest_cfg.dest_type = DPNI_DEST_NONE;
cong_notif_cfg.notification_mode =
DPNI_CONG_OPT_WRITE_MEM_ON_ENTER |
DPNI_CONG_OPT_WRITE_MEM_ON_EXIT |
DPNI_CONG_OPT_COHERENT_WRITE;
cong_notif_cfg.cg_point = DPNI_CP_QUEUE;
ret = dpni_set_congestion_notification(dpni, CMD_PRI_LOW,
priv->token,
DPNI_QUEUE_TX,
tc_id,
&cong_notif_cfg);
if (ret) {
DPAA2_PMD_ERR(
"Error in setting tx congestion notification: "
"err=%d", ret);
return -ret;
}
}
dpaa2_q->cb_eqresp_free = dpaa2_dev_free_eqresp_buf;
dev->data->tx_queues[tx_queue_id] = dpaa2_q;
if (priv->tx_conf_en) {
dpaa2_q->tx_conf_queue = dpaa2_tx_conf_q;
options = options | DPNI_QUEUE_OPT_USER_CTX;
tx_conf_cfg.user_context = (size_t)(dpaa2_q);
ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token,
DPNI_QUEUE_TX_CONFIRM, dpaa2_tx_conf_q->tc_index,
dpaa2_tx_conf_q->flow_id, options, &tx_conf_cfg);
if (ret) {
DPAA2_PMD_ERR("Error in setting the tx conf flow: "
"tc_index=%d, flow=%d err=%d",
dpaa2_tx_conf_q->tc_index,
dpaa2_tx_conf_q->flow_id, ret);
return -1;
}
ret = dpni_get_queue(dpni, CMD_PRI_LOW, priv->token,
DPNI_QUEUE_TX_CONFIRM, dpaa2_tx_conf_q->tc_index,
dpaa2_tx_conf_q->flow_id, &tx_conf_cfg, &qid);
if (ret) {
DPAA2_PMD_ERR("Error in getting LFQID err=%d", ret);
return -1;
}
dpaa2_tx_conf_q->fqid = qid.fqid;
}
return 0;
}
static void
dpaa2_dev_rx_queue_release(void *q __rte_unused)
{
struct dpaa2_queue *dpaa2_q = (struct dpaa2_queue *)q;
struct dpaa2_dev_priv *priv = dpaa2_q->eth_data->dev_private;
struct fsl_mc_io *dpni =
(struct fsl_mc_io *)priv->eth_dev->process_private;
uint8_t options = 0;
int ret;
struct dpni_queue cfg;
memset(&cfg, 0, sizeof(struct dpni_queue));
PMD_INIT_FUNC_TRACE();
if (dpaa2_q->cgid != 0xff) {
options = DPNI_QUEUE_OPT_CLEAR_CGID;
cfg.cgid = dpaa2_q->cgid;
ret = dpni_set_queue(dpni, CMD_PRI_LOW, priv->token,
DPNI_QUEUE_RX,
dpaa2_q->tc_index, dpaa2_q->flow_id,
options, &cfg);
if (ret)
DPAA2_PMD_ERR("Unable to clear CGR from q=%u err=%d",
dpaa2_q->fqid, ret);
priv->cgid_in_use[dpaa2_q->cgid] = 0;
dpaa2_q->cgid = 0xff;
}
}
static void
dpaa2_dev_tx_queue_release(void *q __rte_unused)
{
PMD_INIT_FUNC_TRACE();
}
static uint32_t
dpaa2_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
int32_t ret;
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct dpaa2_queue *dpaa2_q;
struct qbman_swp *swp;
struct qbman_fq_query_np_rslt state;
uint32_t frame_cnt = 0;
PMD_INIT_FUNC_TRACE();
if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
ret = dpaa2_affine_qbman_swp();
if (ret) {
DPAA2_PMD_ERR("Failure in affining portal");
return -EINVAL;
}
}
swp = DPAA2_PER_LCORE_PORTAL;
dpaa2_q = (struct dpaa2_queue *)priv->rx_vq[rx_queue_id];
if (qbman_fq_query_state(swp, dpaa2_q->fqid, &state) == 0) {
frame_cnt = qbman_fq_state_frame_count(&state);
DPAA2_PMD_DEBUG("RX frame count for q(%d) is %u",
rx_queue_id, frame_cnt);
}
return frame_cnt;
}
static const uint32_t *
dpaa2_supported_ptypes_get(struct rte_eth_dev *dev)
{
static const uint32_t ptypes[] = {
/*todo -= add more types */
RTE_PTYPE_L2_ETHER,
RTE_PTYPE_L3_IPV4,
RTE_PTYPE_L3_IPV4_EXT,
RTE_PTYPE_L3_IPV6,
RTE_PTYPE_L3_IPV6_EXT,
RTE_PTYPE_L4_TCP,
RTE_PTYPE_L4_UDP,
RTE_PTYPE_L4_SCTP,
RTE_PTYPE_L4_ICMP,
RTE_PTYPE_UNKNOWN
};
if (dev->rx_pkt_burst == dpaa2_dev_prefetch_rx ||
dev->rx_pkt_burst == dpaa2_dev_rx ||
dev->rx_pkt_burst == dpaa2_dev_loopback_rx)
return ptypes;
return NULL;
}
/**
* Dpaa2 link Interrupt handler
*
* @param param
* The address of parameter (struct rte_eth_dev *) regsitered before.
*
* @return
* void
*/
static void
dpaa2_interrupt_handler(void *param)
{
struct rte_eth_dev *dev = param;
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = (struct fsl_mc_io *)dev->process_private;
int ret;
int irq_index = DPNI_IRQ_INDEX;
unsigned int status = 0, clear = 0;
PMD_INIT_FUNC_TRACE();
if (dpni == NULL) {
DPAA2_PMD_ERR("dpni is NULL");
return;
}
ret = dpni_get_irq_status(dpni, CMD_PRI_LOW, priv->token,
irq_index, &status);
if (unlikely(ret)) {
DPAA2_PMD_ERR("Can't get irq status (err %d)", ret);
clear = 0xffffffff;
goto out;
}
if (status & DPNI_IRQ_EVENT_LINK_CHANGED) {
clear = DPNI_IRQ_EVENT_LINK_CHANGED;
dpaa2_dev_link_update(dev, 0);
/* calling all the apps registered for link status event */
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
NULL);
}
out:
ret = dpni_clear_irq_status(dpni, CMD_PRI_LOW, priv->token,
irq_index, clear);
if (unlikely(ret))
DPAA2_PMD_ERR("Can't clear irq status (err %d)", ret);
}
static int
dpaa2_eth_setup_irqs(struct rte_eth_dev *dev, int enable)
{
int err = 0;
struct dpaa2_dev_priv *priv = dev->data->dev_private;
struct fsl_mc_io *dpni = (struct fsl_mc_io *)dev->process_private;
int irq_index = DPNI_IRQ_INDEX;
unsigned int mask = DPNI_IRQ_EVENT_LINK_CHANGED;
PMD_INIT_FUNC_TRACE();
err = dpni_set_irq_mask(dpni, CMD_PRI_LOW, priv->token,
irq_index, mask);
if (err < 0) {
DPAA2_PMD_ERR("Error: dpni_set_irq_mask():%d (%s)", err,
strerror(-err));
return err;
}
err = dpni_set_irq_enable(dpni, CMD_PRI_LOW, priv->token,
irq_index, enable);