numam-dpdk/drivers/net/dpaa/dpaa_ethdev.c

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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
* Copyright 2017 NXP
*
*/
/* System headers */
#include <stdio.h>
#include <inttypes.h>
#include <unistd.h>
#include <limits.h>
#include <sched.h>
#include <signal.h>
#include <pthread.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <rte_byteorder.h>
#include <rte_common.h>
#include <rte_interrupts.h>
#include <rte_log.h>
#include <rte_debug.h>
#include <rte_pci.h>
#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_memory.h>
#include <rte_tailq.h>
#include <rte_eal.h>
#include <rte_alarm.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_malloc.h>
#include <rte_ring.h>
#include <rte_dpaa_bus.h>
#include <rte_dpaa_logs.h>
#include <dpaa_mempool.h>
#include <dpaa_ethdev.h>
#include <dpaa_rxtx.h>
#include <rte_pmd_dpaa.h>
#include <fsl_usd.h>
#include <fsl_qman.h>
#include <fsl_bman.h>
#include <fsl_fman.h>
/* Keep track of whether QMAN and BMAN have been globally initialized */
static int is_global_init;
/* Per FQ Taildrop in frame count */
static unsigned int td_threshold = CGR_RX_PERFQ_THRESH;
struct rte_dpaa_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
uint32_t offset;
};
static const struct rte_dpaa_xstats_name_off dpaa_xstats_strings[] = {
{"rx_align_err",
offsetof(struct dpaa_if_stats, raln)},
{"rx_valid_pause",
offsetof(struct dpaa_if_stats, rxpf)},
{"rx_fcs_err",
offsetof(struct dpaa_if_stats, rfcs)},
{"rx_vlan_frame",
offsetof(struct dpaa_if_stats, rvlan)},
{"rx_frame_err",
offsetof(struct dpaa_if_stats, rerr)},
{"rx_drop_err",
offsetof(struct dpaa_if_stats, rdrp)},
{"rx_undersized",
offsetof(struct dpaa_if_stats, rund)},
{"rx_oversize_err",
offsetof(struct dpaa_if_stats, rovr)},
{"rx_fragment_pkt",
offsetof(struct dpaa_if_stats, rfrg)},
{"tx_valid_pause",
offsetof(struct dpaa_if_stats, txpf)},
{"tx_fcs_err",
offsetof(struct dpaa_if_stats, terr)},
{"tx_vlan_frame",
offsetof(struct dpaa_if_stats, tvlan)},
{"rx_undersized",
offsetof(struct dpaa_if_stats, tund)},
};
static struct rte_dpaa_driver rte_dpaa_pmd;
static int
dpaa_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN
+ VLAN_TAG_SIZE;
PMD_INIT_FUNC_TRACE();
if (mtu < ETHER_MIN_MTU || frame_size > DPAA_MAX_RX_PKT_LEN)
return -EINVAL;
if (frame_size > ETHER_MAX_LEN)
dev->data->dev_conf.rxmode.jumbo_frame = 1;
else
dev->data->dev_conf.rxmode.jumbo_frame = 0;
dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
fman_if_set_maxfrm(dpaa_intf->fif, frame_size);
return 0;
}
static int
dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
if (dev->data->dev_conf.rxmode.max_rx_pkt_len <=
DPAA_MAX_RX_PKT_LEN) {
fman_if_set_maxfrm(dpaa_intf->fif,
dev->data->dev_conf.rxmode.max_rx_pkt_len);
return 0;
} else {
return -1;
}
}
return 0;
}
static const uint32_t *
dpaa_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
};
PMD_INIT_FUNC_TRACE();
if (dev->rx_pkt_burst == dpaa_eth_queue_rx)
return ptypes;
return NULL;
}
static int dpaa_eth_dev_start(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
/* Change tx callback to the real one */
dev->tx_pkt_burst = dpaa_eth_queue_tx;
fman_if_enable_rx(dpaa_intf->fif);
return 0;
}
static void dpaa_eth_dev_stop(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_disable_rx(dpaa_intf->fif);
dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
}
static void dpaa_eth_dev_close(struct rte_eth_dev *dev)
{
PMD_INIT_FUNC_TRACE();
dpaa_eth_dev_stop(dev);
}
static int
dpaa_fw_version_get(struct rte_eth_dev *dev __rte_unused,
char *fw_version,
size_t fw_size)
{
int ret;
FILE *svr_file = NULL;
unsigned int svr_ver = 0;
PMD_INIT_FUNC_TRACE();
svr_file = fopen(DPAA_SOC_ID_FILE, "r");
if (!svr_file) {
DPAA_PMD_ERR("Unable to open SoC device");
return -ENOTSUP; /* Not supported on this infra */
}
if (fscanf(svr_file, "svr:%x", &svr_ver) > 0)
dpaa_svr_family = svr_ver & SVR_MASK;
else
DPAA_PMD_ERR("Unable to read SoC device");
fclose(svr_file);
ret = snprintf(fw_version, fw_size, "SVR:%x-fman-v%x",
svr_ver, fman_ip_rev);
ret += 1; /* add the size of '\0' */
if (fw_size < (uint32_t)ret)
return ret;
else
return 0;
}
static void dpaa_eth_dev_info(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
dev_info->max_rx_queues = dpaa_intf->nb_rx_queues;
dev_info->max_tx_queues = dpaa_intf->nb_tx_queues;
dev_info->min_rx_bufsize = DPAA_MIN_RX_BUF_SIZE;
dev_info->max_rx_pktlen = DPAA_MAX_RX_PKT_LEN;
dev_info->max_mac_addrs = DPAA_MAX_MAC_FILTER;
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 = DPAA_RSS_OFFLOAD_ALL;
dev_info->speed_capa = (ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_10G);
dev_info->rx_offload_capa =
(DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM);
dev_info->tx_offload_capa =
(DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM);
}
static int dpaa_eth_link_update(struct rte_eth_dev *dev,
int wait_to_complete __rte_unused)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
struct rte_eth_link *link = &dev->data->dev_link;
PMD_INIT_FUNC_TRACE();
if (dpaa_intf->fif->mac_type == fman_mac_1g)
link->link_speed = 1000;
else if (dpaa_intf->fif->mac_type == fman_mac_10g)
link->link_speed = 10000;
else
DPAA_PMD_ERR("invalid link_speed: %s, %d",
dpaa_intf->name, dpaa_intf->fif->mac_type);
link->link_status = dpaa_intf->valid;
link->link_duplex = ETH_LINK_FULL_DUPLEX;
link->link_autoneg = ETH_LINK_AUTONEG;
return 0;
}
static int dpaa_eth_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_stats_get(dpaa_intf->fif, stats);
return 0;
}
static void dpaa_eth_stats_reset(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_stats_reset(dpaa_intf->fif);
}
static int
dpaa_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
unsigned int n)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
unsigned int i = 0, num = RTE_DIM(dpaa_xstats_strings);
uint64_t values[sizeof(struct dpaa_if_stats) / 8];
if (xstats == NULL)
return 0;
if (n < num)
return num;
fman_if_stats_get_all(dpaa_intf->fif, values,
sizeof(struct dpaa_if_stats) / 8);
for (i = 0; i < num; i++) {
xstats[i].id = i;
xstats[i].value = values[dpaa_xstats_strings[i].offset / 8];
}
return i;
}
static int
dpaa_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
__rte_unused unsigned int limit)
{
unsigned int i, stat_cnt = RTE_DIM(dpaa_xstats_strings);
if (xstats_names != NULL)
for (i = 0; i < stat_cnt; i++)
snprintf(xstats_names[i].name,
sizeof(xstats_names[i].name),
"%s",
dpaa_xstats_strings[i].name);
return stat_cnt;
}
static int
dpaa_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
uint64_t *values, unsigned int n)
{
unsigned int i, stat_cnt = RTE_DIM(dpaa_xstats_strings);
uint64_t values_copy[sizeof(struct dpaa_if_stats) / 8];
if (!ids) {
struct dpaa_if *dpaa_intf = dev->data->dev_private;
if (n < stat_cnt)
return stat_cnt;
if (!values)
return 0;
fman_if_stats_get_all(dpaa_intf->fif, values_copy,
sizeof(struct dpaa_if_stats));
for (i = 0; i < stat_cnt; i++)
values[i] =
values_copy[dpaa_xstats_strings[i].offset / 8];
return stat_cnt;
}
dpaa_xstats_get_by_id(dev, NULL, values_copy, stat_cnt);
for (i = 0; i < n; i++) {
if (ids[i] >= stat_cnt) {
DPAA_PMD_ERR("id value isn't valid");
return -1;
}
values[i] = values_copy[ids[i]];
}
return n;
}
static int
dpaa_xstats_get_names_by_id(
struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
const uint64_t *ids,
unsigned int limit)
{
unsigned int i, stat_cnt = RTE_DIM(dpaa_xstats_strings);
struct rte_eth_xstat_name xstats_names_copy[stat_cnt];
if (!ids)
return dpaa_xstats_get_names(dev, xstats_names, limit);
dpaa_xstats_get_names(dev, xstats_names_copy, limit);
for (i = 0; i < limit; i++) {
if (ids[i] >= stat_cnt) {
DPAA_PMD_ERR("id value isn't valid");
return -1;
}
strcpy(xstats_names[i].name, xstats_names_copy[ids[i]].name);
}
return limit;
}
static void dpaa_eth_promiscuous_enable(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_promiscuous_enable(dpaa_intf->fif);
}
static void dpaa_eth_promiscuous_disable(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_promiscuous_disable(dpaa_intf->fif);
}
static void dpaa_eth_multicast_enable(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_set_mcast_filter_table(dpaa_intf->fif);
}
static void dpaa_eth_multicast_disable(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_reset_mcast_filter_table(dpaa_intf->fif);
}
static
int dpaa_eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
uint16_t nb_desc,
unsigned int socket_id __rte_unused,
const struct rte_eth_rxconf *rx_conf __rte_unused,
struct rte_mempool *mp)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
struct qman_fq *rxq = &dpaa_intf->rx_queues[queue_idx];
PMD_INIT_FUNC_TRACE();
DPAA_PMD_INFO("Rx queue setup for queue index: %d", queue_idx);
if (!dpaa_intf->bp_info || dpaa_intf->bp_info->mp != mp) {
struct fman_if_ic_params icp;
uint32_t fd_offset;
uint32_t bp_size;
if (!mp->pool_data) {
DPAA_PMD_ERR("Not an offloaded buffer pool!");
return -1;
}
dpaa_intf->bp_info = DPAA_MEMPOOL_TO_POOL_INFO(mp);
memset(&icp, 0, sizeof(icp));
/* set ICEOF for to the default value , which is 0*/
icp.iciof = DEFAULT_ICIOF;
icp.iceof = DEFAULT_RX_ICEOF;
icp.icsz = DEFAULT_ICSZ;
fman_if_set_ic_params(dpaa_intf->fif, &icp);
fd_offset = RTE_PKTMBUF_HEADROOM + DPAA_HW_BUF_RESERVE;
fman_if_set_fdoff(dpaa_intf->fif, fd_offset);
/* Buffer pool size should be equal to Dataroom Size*/
bp_size = rte_pktmbuf_data_room_size(mp);
fman_if_set_bp(dpaa_intf->fif, mp->size,
dpaa_intf->bp_info->bpid, bp_size);
dpaa_intf->valid = 1;
DPAA_PMD_INFO("if =%s - fd_offset = %d offset = %d",
dpaa_intf->name, fd_offset,
fman_if_get_fdoff(dpaa_intf->fif));
}
dev->data->rx_queues[queue_idx] = rxq;
/* configure the CGR size as per the desc size */
if (dpaa_intf->cgr_rx) {
struct qm_mcc_initcgr cgr_opts = {0};
int ret;
/* Enable tail drop with cgr on this queue */
qm_cgr_cs_thres_set64(&cgr_opts.cgr.cs_thres, nb_desc, 0);
ret = qman_modify_cgr(dpaa_intf->cgr_rx, 0, &cgr_opts);
if (ret) {
DPAA_PMD_WARN(
"rx taildrop modify fail on fqid %d (ret=%d)",
rxq->fqid, ret);
}
}
return 0;
}
static
void dpaa_eth_rx_queue_release(void *rxq __rte_unused)
{
PMD_INIT_FUNC_TRACE();
}
static
int dpaa_eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
uint16_t nb_desc __rte_unused,
unsigned int socket_id __rte_unused,
const struct rte_eth_txconf *tx_conf __rte_unused)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
DPAA_PMD_INFO("Tx queue setup for queue index: %d", queue_idx);
dev->data->tx_queues[queue_idx] = &dpaa_intf->tx_queues[queue_idx];
return 0;
}
static void dpaa_eth_tx_queue_release(void *txq __rte_unused)
{
PMD_INIT_FUNC_TRACE();
}
static uint32_t
dpaa_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
struct qman_fq *rxq = &dpaa_intf->rx_queues[rx_queue_id];
u32 frm_cnt = 0;
PMD_INIT_FUNC_TRACE();
if (qman_query_fq_frm_cnt(rxq, &frm_cnt) == 0) {
RTE_LOG(DEBUG, PMD, "RX frame count for q(%d) is %u\n",
rx_queue_id, frm_cnt);
}
return frm_cnt;
}
static int dpaa_link_down(struct rte_eth_dev *dev)
{
PMD_INIT_FUNC_TRACE();
dpaa_eth_dev_stop(dev);
return 0;
}
static int dpaa_link_up(struct rte_eth_dev *dev)
{
PMD_INIT_FUNC_TRACE();
dpaa_eth_dev_start(dev);
return 0;
}
static int
dpaa_flow_ctrl_set(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
struct rte_eth_fc_conf *net_fc;
PMD_INIT_FUNC_TRACE();
if (!(dpaa_intf->fc_conf)) {
dpaa_intf->fc_conf = rte_zmalloc(NULL,
sizeof(struct rte_eth_fc_conf), MAX_CACHELINE);
if (!dpaa_intf->fc_conf) {
DPAA_PMD_ERR("unable to save flow control info");
return -ENOMEM;
}
}
net_fc = dpaa_intf->fc_conf;
if (fc_conf->high_water < fc_conf->low_water) {
DPAA_PMD_ERR("Incorrect Flow Control Configuration");
return -EINVAL;
}
if (fc_conf->mode == RTE_FC_NONE) {
return 0;
} else if (fc_conf->mode == RTE_FC_TX_PAUSE ||
fc_conf->mode == RTE_FC_FULL) {
fman_if_set_fc_threshold(dpaa_intf->fif, fc_conf->high_water,
fc_conf->low_water,
dpaa_intf->bp_info->bpid);
if (fc_conf->pause_time)
fman_if_set_fc_quanta(dpaa_intf->fif,
fc_conf->pause_time);
}
/* Save the information in dpaa device */
net_fc->pause_time = fc_conf->pause_time;
net_fc->high_water = fc_conf->high_water;
net_fc->low_water = fc_conf->low_water;
net_fc->send_xon = fc_conf->send_xon;
net_fc->mac_ctrl_frame_fwd = fc_conf->mac_ctrl_frame_fwd;
net_fc->mode = fc_conf->mode;
net_fc->autoneg = fc_conf->autoneg;
return 0;
}
static int
dpaa_flow_ctrl_get(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
struct rte_eth_fc_conf *net_fc = dpaa_intf->fc_conf;
int ret;
PMD_INIT_FUNC_TRACE();
if (net_fc) {
fc_conf->pause_time = net_fc->pause_time;
fc_conf->high_water = net_fc->high_water;
fc_conf->low_water = net_fc->low_water;
fc_conf->send_xon = net_fc->send_xon;
fc_conf->mac_ctrl_frame_fwd = net_fc->mac_ctrl_frame_fwd;
fc_conf->mode = net_fc->mode;
fc_conf->autoneg = net_fc->autoneg;
return 0;
}
ret = fman_if_get_fc_threshold(dpaa_intf->fif);
if (ret) {
fc_conf->mode = RTE_FC_TX_PAUSE;
fc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);
} else {
fc_conf->mode = RTE_FC_NONE;
}
return 0;
}
static int
dpaa_dev_add_mac_addr(struct rte_eth_dev *dev,
struct ether_addr *addr,
uint32_t index,
__rte_unused uint32_t pool)
{
int ret;
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
ret = fman_if_add_mac_addr(dpaa_intf->fif, addr->addr_bytes, index);
if (ret)
RTE_LOG(ERR, PMD, "error: Adding the MAC ADDR failed:"
" err = %d", ret);
return 0;
}
static void
dpaa_dev_remove_mac_addr(struct rte_eth_dev *dev,
uint32_t index)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
fman_if_clear_mac_addr(dpaa_intf->fif, index);
}
static void
dpaa_dev_set_mac_addr(struct rte_eth_dev *dev,
struct ether_addr *addr)
{
int ret;
struct dpaa_if *dpaa_intf = dev->data->dev_private;
PMD_INIT_FUNC_TRACE();
ret = fman_if_add_mac_addr(dpaa_intf->fif, addr->addr_bytes, 0);
if (ret)
RTE_LOG(ERR, PMD, "error: Setting the MAC ADDR failed %d", ret);
}
static struct eth_dev_ops dpaa_devops = {
.dev_configure = dpaa_eth_dev_configure,
.dev_start = dpaa_eth_dev_start,
.dev_stop = dpaa_eth_dev_stop,
.dev_close = dpaa_eth_dev_close,
.dev_infos_get = dpaa_eth_dev_info,
.dev_supported_ptypes_get = dpaa_supported_ptypes_get,
.rx_queue_setup = dpaa_eth_rx_queue_setup,
.tx_queue_setup = dpaa_eth_tx_queue_setup,
.rx_queue_release = dpaa_eth_rx_queue_release,
.tx_queue_release = dpaa_eth_tx_queue_release,
.rx_queue_count = dpaa_dev_rx_queue_count,
.flow_ctrl_get = dpaa_flow_ctrl_get,
.flow_ctrl_set = dpaa_flow_ctrl_set,
.link_update = dpaa_eth_link_update,
.stats_get = dpaa_eth_stats_get,
.xstats_get = dpaa_dev_xstats_get,
.xstats_get_by_id = dpaa_xstats_get_by_id,
.xstats_get_names_by_id = dpaa_xstats_get_names_by_id,
.xstats_get_names = dpaa_xstats_get_names,
.xstats_reset = dpaa_eth_stats_reset,
.stats_reset = dpaa_eth_stats_reset,
.promiscuous_enable = dpaa_eth_promiscuous_enable,
.promiscuous_disable = dpaa_eth_promiscuous_disable,
.allmulticast_enable = dpaa_eth_multicast_enable,
.allmulticast_disable = dpaa_eth_multicast_disable,
.mtu_set = dpaa_mtu_set,
.dev_set_link_down = dpaa_link_down,
.dev_set_link_up = dpaa_link_up,
.mac_addr_add = dpaa_dev_add_mac_addr,
.mac_addr_remove = dpaa_dev_remove_mac_addr,
.mac_addr_set = dpaa_dev_set_mac_addr,
.fw_version_get = dpaa_fw_version_get,
};
static bool
is_device_supported(struct rte_eth_dev *dev, struct rte_dpaa_driver *drv)
{
if (strcmp(dev->device->driver->name,
drv->driver.name))
return false;
return true;
}
static bool
is_dpaa_supported(struct rte_eth_dev *dev)
{
return is_device_supported(dev, &rte_dpaa_pmd);
}
int
rte_pmd_dpaa_set_tx_loopback(uint8_t port, uint8_t on)
{
struct rte_eth_dev *dev;
struct dpaa_if *dpaa_intf;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
dev = &rte_eth_devices[port];
if (!is_dpaa_supported(dev))
return -ENOTSUP;
dpaa_intf = dev->data->dev_private;
if (on)
fman_if_loopback_enable(dpaa_intf->fif);
else
fman_if_loopback_disable(dpaa_intf->fif);
return 0;
}
static int dpaa_fc_set_default(struct dpaa_if *dpaa_intf)
{
struct rte_eth_fc_conf *fc_conf;
int ret;
PMD_INIT_FUNC_TRACE();
if (!(dpaa_intf->fc_conf)) {
dpaa_intf->fc_conf = rte_zmalloc(NULL,
sizeof(struct rte_eth_fc_conf), MAX_CACHELINE);
if (!dpaa_intf->fc_conf) {
DPAA_PMD_ERR("unable to save flow control info");
return -ENOMEM;
}
}
fc_conf = dpaa_intf->fc_conf;
ret = fman_if_get_fc_threshold(dpaa_intf->fif);
if (ret) {
fc_conf->mode = RTE_FC_TX_PAUSE;
fc_conf->pause_time = fman_if_get_fc_quanta(dpaa_intf->fif);
} else {
fc_conf->mode = RTE_FC_NONE;
}
return 0;
}
/* Initialise an Rx FQ */
static int dpaa_rx_queue_init(struct qman_fq *fq, struct qman_cgr *cgr_rx,
uint32_t fqid)
{
struct qm_mcc_initfq opts = {0};
int ret;
u32 flags = 0;
struct qm_mcc_initcgr cgr_opts = {
.we_mask = QM_CGR_WE_CS_THRES |
QM_CGR_WE_CSTD_EN |
QM_CGR_WE_MODE,
.cgr = {
.cstd_en = QM_CGR_EN,
.mode = QMAN_CGR_MODE_FRAME
}
};
PMD_INIT_FUNC_TRACE();
ret = qman_reserve_fqid(fqid);
if (ret) {
DPAA_PMD_ERR("reserve rx fqid %d failed with ret: %d",
fqid, ret);
return -EINVAL;
}
DPAA_PMD_DEBUG("creating rx fq %p, fqid %d", fq, fqid);
ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
if (ret) {
DPAA_PMD_ERR("create rx fqid %d failed with ret: %d",
fqid, ret);
return ret;
}
opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
QM_INITFQ_WE_CONTEXTA;
opts.fqd.dest.wq = DPAA_IF_RX_PRIORITY;
opts.fqd.fq_ctrl = QM_FQCTRL_AVOIDBLOCK | QM_FQCTRL_CTXASTASHING |
QM_FQCTRL_PREFERINCACHE;
opts.fqd.context_a.stashing.exclusive = 0;
opts.fqd.context_a.stashing.annotation_cl = DPAA_IF_RX_ANNOTATION_STASH;
opts.fqd.context_a.stashing.data_cl = DPAA_IF_RX_DATA_STASH;
opts.fqd.context_a.stashing.context_cl = DPAA_IF_RX_CONTEXT_STASH;
if (cgr_rx) {
/* Enable tail drop with cgr on this queue */
qm_cgr_cs_thres_set64(&cgr_opts.cgr.cs_thres, td_threshold, 0);
cgr_rx->cb = NULL;
ret = qman_create_cgr(cgr_rx, QMAN_CGR_FLAG_USE_INIT,
&cgr_opts);
if (ret) {
DPAA_PMD_WARN(
"rx taildrop init fail on rx fqid %d (ret=%d)",
fqid, ret);
goto without_cgr;
}
opts.we_mask |= QM_INITFQ_WE_CGID;
opts.fqd.cgid = cgr_rx->cgrid;
opts.fqd.fq_ctrl |= QM_FQCTRL_CGE;
}
without_cgr:
ret = qman_init_fq(fq, flags, &opts);
if (ret)
DPAA_PMD_ERR("init rx fqid %d failed with ret: %d", fqid, ret);
return ret;
}
/* Initialise a Tx FQ */
static int dpaa_tx_queue_init(struct qman_fq *fq,
struct fman_if *fman_intf)
{
struct qm_mcc_initfq opts = {0};
int ret;
PMD_INIT_FUNC_TRACE();
ret = qman_create_fq(0, QMAN_FQ_FLAG_DYNAMIC_FQID |
QMAN_FQ_FLAG_TO_DCPORTAL, fq);
if (ret) {
DPAA_PMD_ERR("create tx fq failed with ret: %d", ret);
return ret;
}
opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL |
QM_INITFQ_WE_CONTEXTB | QM_INITFQ_WE_CONTEXTA;
opts.fqd.dest.channel = fman_intf->tx_channel_id;
opts.fqd.dest.wq = DPAA_IF_TX_PRIORITY;
opts.fqd.fq_ctrl = QM_FQCTRL_PREFERINCACHE;
opts.fqd.context_b = 0;
/* no tx-confirmation */
opts.fqd.context_a.hi = 0x80000000 | fman_dealloc_bufs_mask_hi;
opts.fqd.context_a.lo = 0 | fman_dealloc_bufs_mask_lo;
DPAA_PMD_DEBUG("init tx fq %p, fqid %d", fq, fq->fqid);
ret = qman_init_fq(fq, QMAN_INITFQ_FLAG_SCHED, &opts);
if (ret)
DPAA_PMD_ERR("init tx fqid %d failed %d", fq->fqid, ret);
return ret;
}
#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
/* Initialise a DEBUG FQ ([rt]x_error, rx_default). */
static int dpaa_debug_queue_init(struct qman_fq *fq, uint32_t fqid)
{
struct qm_mcc_initfq opts = {0};
int ret;
PMD_INIT_FUNC_TRACE();
ret = qman_reserve_fqid(fqid);
if (ret) {
DPAA_PMD_ERR("Reserve debug fqid %d failed with ret: %d",
fqid, ret);
return -EINVAL;
}
/* "map" this Rx FQ to one of the interfaces Tx FQID */
DPAA_PMD_DEBUG("Creating debug fq %p, fqid %d", fq, fqid);
ret = qman_create_fq(fqid, QMAN_FQ_FLAG_NO_ENQUEUE, fq);
if (ret) {
DPAA_PMD_ERR("create debug fqid %d failed with ret: %d",
fqid, ret);
return ret;
}
opts.we_mask = QM_INITFQ_WE_DESTWQ | QM_INITFQ_WE_FQCTRL;
opts.fqd.dest.wq = DPAA_IF_DEBUG_PRIORITY;
ret = qman_init_fq(fq, 0, &opts);
if (ret)
DPAA_PMD_ERR("init debug fqid %d failed with ret: %d",
fqid, ret);
return ret;
}
#endif
/* Initialise a network interface */
static int
dpaa_dev_init(struct rte_eth_dev *eth_dev)
{
int num_cores, num_rx_fqs, fqid;
int loop, ret = 0;
int dev_id;
struct rte_dpaa_device *dpaa_device;
struct dpaa_if *dpaa_intf;
struct fm_eth_port_cfg *cfg;
struct fman_if *fman_intf;
struct fman_if_bpool *bp, *tmp_bp;
uint32_t cgrid[DPAA_MAX_NUM_PCD_QUEUES];
PMD_INIT_FUNC_TRACE();
/* For secondary processes, the primary has done all the work */
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
dev_id = dpaa_device->id.dev_id;
dpaa_intf = eth_dev->data->dev_private;
cfg = &dpaa_netcfg->port_cfg[dev_id];
fman_intf = cfg->fman_if;
dpaa_intf->name = dpaa_device->name;
/* save fman_if & cfg in the interface struture */
dpaa_intf->fif = fman_intf;
dpaa_intf->ifid = dev_id;
dpaa_intf->cfg = cfg;
/* Initialize Rx FQ's */
if (getenv("DPAA_NUM_RX_QUEUES"))
num_rx_fqs = atoi(getenv("DPAA_NUM_RX_QUEUES"));
else
num_rx_fqs = DPAA_DEFAULT_NUM_PCD_QUEUES;
/* Each device can not have more than DPAA_PCD_FQID_MULTIPLIER RX
* queues.
*/
if (num_rx_fqs <= 0 || num_rx_fqs > DPAA_PCD_FQID_MULTIPLIER) {
DPAA_PMD_ERR("Invalid number of RX queues\n");
return -EINVAL;
}
dpaa_intf->rx_queues = rte_zmalloc(NULL,
sizeof(struct qman_fq) * num_rx_fqs, MAX_CACHELINE);
/* If congestion control is enabled globally*/
if (td_threshold) {
dpaa_intf->cgr_rx = rte_zmalloc(NULL,
sizeof(struct qman_cgr) * num_rx_fqs, MAX_CACHELINE);
ret = qman_alloc_cgrid_range(&cgrid[0], num_rx_fqs, 1, 0);
if (ret != num_rx_fqs) {
DPAA_PMD_WARN("insufficient CGRIDs available");
return -EINVAL;
}
} else {
dpaa_intf->cgr_rx = NULL;
}
for (loop = 0; loop < num_rx_fqs; loop++) {
fqid = DPAA_PCD_FQID_START + dpaa_intf->ifid *
DPAA_PCD_FQID_MULTIPLIER + loop;
if (dpaa_intf->cgr_rx)
dpaa_intf->cgr_rx[loop].cgrid = cgrid[loop];
ret = dpaa_rx_queue_init(&dpaa_intf->rx_queues[loop],
dpaa_intf->cgr_rx ? &dpaa_intf->cgr_rx[loop] : NULL,
fqid);
if (ret)
return ret;
dpaa_intf->rx_queues[loop].dpaa_intf = dpaa_intf;
}
dpaa_intf->nb_rx_queues = num_rx_fqs;
/* Initialise Tx FQs. Have as many Tx FQ's as number of cores */
num_cores = rte_lcore_count();
dpaa_intf->tx_queues = rte_zmalloc(NULL, sizeof(struct qman_fq) *
num_cores, MAX_CACHELINE);
if (!dpaa_intf->tx_queues)
return -ENOMEM;
for (loop = 0; loop < num_cores; loop++) {
ret = dpaa_tx_queue_init(&dpaa_intf->tx_queues[loop],
fman_intf);
if (ret)
return ret;
dpaa_intf->tx_queues[loop].dpaa_intf = dpaa_intf;
}
dpaa_intf->nb_tx_queues = num_cores;
#ifdef RTE_LIBRTE_DPAA_DEBUG_DRIVER
dpaa_debug_queue_init(&dpaa_intf->debug_queues[
DPAA_DEBUG_FQ_RX_ERROR], fman_intf->fqid_rx_err);
dpaa_intf->debug_queues[DPAA_DEBUG_FQ_RX_ERROR].dpaa_intf = dpaa_intf;
dpaa_debug_queue_init(&dpaa_intf->debug_queues[
DPAA_DEBUG_FQ_TX_ERROR], fman_intf->fqid_tx_err);
dpaa_intf->debug_queues[DPAA_DEBUG_FQ_TX_ERROR].dpaa_intf = dpaa_intf;
#endif
DPAA_PMD_DEBUG("All frame queues created");
/* Get the initial configuration for flow control */
dpaa_fc_set_default(dpaa_intf);
/* reset bpool list, initialize bpool dynamically */
list_for_each_entry_safe(bp, tmp_bp, &cfg->fman_if->bpool_list, node) {
list_del(&bp->node);
free(bp);
}
/* Populate ethdev structure */
eth_dev->dev_ops = &dpaa_devops;
eth_dev->rx_pkt_burst = dpaa_eth_queue_rx;
eth_dev->tx_pkt_burst = dpaa_eth_tx_drop_all;
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER, 0);
if (eth_dev->data->mac_addrs == NULL) {
DPAA_PMD_ERR("Failed to allocate %d bytes needed to "
"store MAC addresses",
ETHER_ADDR_LEN * DPAA_MAX_MAC_FILTER);
rte_free(dpaa_intf->cgr_rx);
rte_free(dpaa_intf->rx_queues);
rte_free(dpaa_intf->tx_queues);
dpaa_intf->rx_queues = NULL;
dpaa_intf->tx_queues = NULL;
dpaa_intf->nb_rx_queues = 0;
dpaa_intf->nb_tx_queues = 0;
return -ENOMEM;
}
/* copy the primary mac address */
ether_addr_copy(&fman_intf->mac_addr, &eth_dev->data->mac_addrs[0]);
RTE_LOG(INFO, PMD, "net: dpaa: %s: %02x:%02x:%02x:%02x:%02x:%02x\n",
dpaa_device->name,
fman_intf->mac_addr.addr_bytes[0],
fman_intf->mac_addr.addr_bytes[1],
fman_intf->mac_addr.addr_bytes[2],
fman_intf->mac_addr.addr_bytes[3],
fman_intf->mac_addr.addr_bytes[4],
fman_intf->mac_addr.addr_bytes[5]);
/* Disable RX mode */
fman_if_discard_rx_errors(fman_intf);
fman_if_disable_rx(fman_intf);
/* Disable promiscuous mode */
fman_if_promiscuous_disable(fman_intf);
/* Disable multicast */
fman_if_reset_mcast_filter_table(fman_intf);
/* Reset interface statistics */
fman_if_stats_reset(fman_intf);
return 0;
}
static int
dpaa_dev_uninit(struct rte_eth_dev *dev)
{
struct dpaa_if *dpaa_intf = dev->data->dev_private;
int loop;
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return -EPERM;
if (!dpaa_intf) {
DPAA_PMD_WARN("Already closed or not started");
return -1;
}
dpaa_eth_dev_close(dev);
/* release configuration memory */
if (dpaa_intf->fc_conf)
rte_free(dpaa_intf->fc_conf);
/* Release RX congestion Groups */
if (dpaa_intf->cgr_rx) {
for (loop = 0; loop < dpaa_intf->nb_rx_queues; loop++)
qman_delete_cgr(&dpaa_intf->cgr_rx[loop]);
qman_release_cgrid_range(dpaa_intf->cgr_rx[loop].cgrid,
dpaa_intf->nb_rx_queues);
}
rte_free(dpaa_intf->cgr_rx);
dpaa_intf->cgr_rx = NULL;
rte_free(dpaa_intf->rx_queues);
dpaa_intf->rx_queues = NULL;
rte_free(dpaa_intf->tx_queues);
dpaa_intf->tx_queues = NULL;
/* free memory for storing MAC addresses */
rte_free(dev->data->mac_addrs);
dev->data->mac_addrs = NULL;
dev->dev_ops = NULL;
dev->rx_pkt_burst = NULL;
dev->tx_pkt_burst = NULL;
return 0;
}
static int
rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
struct rte_dpaa_device *dpaa_dev)
{
int diag;
int ret;
struct rte_eth_dev *eth_dev;
PMD_INIT_FUNC_TRACE();
/* In case of secondary process, the device is already configured
* and no further action is required, except portal initialization
* and verifying secondary attachment to port name.
*/
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
if (!eth_dev)
return -ENOMEM;
return 0;
}
if (!is_global_init) {
/* One time load of Qman/Bman drivers */
ret = qman_global_init();
if (ret) {
DPAA_PMD_ERR("QMAN initialization failed: %d",
ret);
return ret;
}
ret = bman_global_init();
if (ret) {
DPAA_PMD_ERR("BMAN initialization failed: %d",
ret);
return ret;
}
is_global_init = 1;
}
ret = rte_dpaa_portal_init((void *)1);
if (ret) {
DPAA_PMD_ERR("Unable to initialize portal");
return ret;
}
eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
if (eth_dev == NULL)
return -ENOMEM;
eth_dev->data->dev_private = rte_zmalloc(
"ethdev private structure",
sizeof(struct dpaa_if),
RTE_CACHE_LINE_SIZE);
if (!eth_dev->data->dev_private) {
DPAA_PMD_ERR("Cannot allocate memzone for port data");
rte_eth_dev_release_port(eth_dev);
return -ENOMEM;
}
eth_dev->device = &dpaa_dev->device;
eth_dev->device->driver = &dpaa_drv->driver;
dpaa_dev->eth_dev = eth_dev;
/* Invoke PMD device initialization function */
diag = dpaa_dev_init(eth_dev);
if (diag == 0)
return 0;
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
rte_free(eth_dev->data->dev_private);
rte_eth_dev_release_port(eth_dev);
return diag;
}
static int
rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
{
struct rte_eth_dev *eth_dev;
PMD_INIT_FUNC_TRACE();
eth_dev = dpaa_dev->eth_dev;
dpaa_dev_uninit(eth_dev);
if (rte_eal_process_type() == RTE_PROC_PRIMARY)
rte_free(eth_dev->data->dev_private);
rte_eth_dev_release_port(eth_dev);
return 0;
}
static struct rte_dpaa_driver rte_dpaa_pmd = {
.drv_type = FSL_DPAA_ETH,
.probe = rte_dpaa_probe,
.remove = rte_dpaa_remove,
};
RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);