numam-dpdk/drivers/net/pfe/pfe_ethdev.c
Gagandeep Singh acd4818ea2 net/pfe: add link status update
This patch add link related operations like
link update, up and down.

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
Acked-by: Nipun Gupta <nipun.gupta@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
2019-10-23 16:43:08 +02:00

1192 lines
28 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2019 NXP
*/
#include <sys/ioctl.h>
#include <sys/epoll.h>
#include <rte_kvargs.h>
#include <rte_ethdev_vdev.h>
#include <rte_bus_vdev.h>
#include <rte_ether.h>
#include <dpaa_of.h>
#include "pfe_logs.h"
#include "pfe_mod.h"
#define PFE_MAX_MACS 1 /*we can support upto 4 MACs per IF*/
#define PFE_VDEV_GEM_ID_ARG "intf"
struct pfe_vdev_init_params {
int8_t gem_id;
};
static struct pfe *g_pfe;
/* Supported Rx offloads */
static uint64_t dev_rx_offloads_sup =
DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
/* Supported Tx offloads */
static uint64_t dev_tx_offloads_sup =
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM;
/* TODO: make pfe_svr a runtime option.
* Driver should be able to get the SVR
* information from HW.
*/
unsigned int pfe_svr = SVR_LS1012A_REV1;
static void *cbus_emac_base[3];
static void *cbus_gpi_base[3];
int pfe_logtype_pmd;
/* pfe_gemac_init
*/
static int
pfe_gemac_init(struct pfe_eth_priv_s *priv)
{
struct gemac_cfg cfg;
cfg.speed = SPEED_1000M;
cfg.duplex = DUPLEX_FULL;
gemac_set_config(priv->EMAC_baseaddr, &cfg);
gemac_allow_broadcast(priv->EMAC_baseaddr);
gemac_enable_1536_rx(priv->EMAC_baseaddr);
gemac_enable_stacked_vlan(priv->EMAC_baseaddr);
gemac_enable_pause_rx(priv->EMAC_baseaddr);
gemac_set_bus_width(priv->EMAC_baseaddr, 64);
gemac_enable_rx_checksum_offload(priv->EMAC_baseaddr);
return 0;
}
static void
pfe_soc_version_get(void)
{
FILE *svr_file = NULL;
unsigned int svr_ver = 0;
PMD_INIT_FUNC_TRACE();
svr_file = fopen(PFE_SOC_ID_FILE, "r");
if (!svr_file) {
PFE_PMD_ERR("Unable to open SoC device");
return; /* Not supported on this infra */
}
if (fscanf(svr_file, "svr:%x", &svr_ver) > 0)
pfe_svr = svr_ver;
else
PFE_PMD_ERR("Unable to read SoC device");
fclose(svr_file);
}
static int pfe_eth_start(struct pfe_eth_priv_s *priv)
{
gpi_enable(priv->GPI_baseaddr);
gemac_enable(priv->EMAC_baseaddr);
return 0;
}
static void
pfe_eth_flush_txQ(struct pfe_eth_priv_s *priv, int tx_q_num, int
__rte_unused from_tx, __rte_unused int n_desc)
{
struct rte_mbuf *mbuf;
unsigned int flags;
/* Clean HIF and client queue */
while ((mbuf = hif_lib_tx_get_next_complete(&priv->client,
tx_q_num, &flags,
HIF_TX_DESC_NT))) {
if (mbuf) {
mbuf->next = NULL;
mbuf->nb_segs = 1;
rte_pktmbuf_free(mbuf);
}
}
}
static void
pfe_eth_flush_tx(struct pfe_eth_priv_s *priv)
{
unsigned int ii;
for (ii = 0; ii < emac_txq_cnt; ii++)
pfe_eth_flush_txQ(priv, ii, 0, 0);
}
static int
pfe_eth_event_handler(void *data, int event, __rte_unused int qno)
{
struct pfe_eth_priv_s *priv = data;
switch (event) {
case EVENT_TXDONE_IND:
pfe_eth_flush_tx(priv);
hif_lib_event_handler_start(&priv->client, EVENT_TXDONE_IND, 0);
break;
case EVENT_HIGH_RX_WM:
default:
break;
}
return 0;
}
static uint16_t
pfe_recv_pkts_on_intr(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
{
struct hif_client_rx_queue *queue = rxq;
struct pfe_eth_priv_s *priv = queue->priv;
struct epoll_event epoll_ev;
uint64_t ticks = 1; /* 1 msec */
int ret;
int have_something, work_done;
#define RESET_STATUS (HIF_INT | HIF_RXPKT_INT)
/*TODO can we remove this cleanup from here?*/
pfe_tx_do_cleanup(priv->pfe);
have_something = pfe_hif_rx_process(priv->pfe, nb_pkts);
work_done = hif_lib_receive_pkt(rxq, priv->pfe->hif.shm->pool,
rx_pkts, nb_pkts);
if (!have_something || !work_done) {
writel(RESET_STATUS, HIF_INT_SRC);
writel(readl(HIF_INT_ENABLE) | HIF_RXPKT_INT, HIF_INT_ENABLE);
ret = epoll_wait(priv->pfe->hif.epoll_fd, &epoll_ev, 1, ticks);
if (ret < 0 && errno != EINTR)
PFE_PMD_ERR("epoll_wait fails with %d\n", errno);
}
return work_done;
}
static uint16_t
pfe_recv_pkts(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
{
struct hif_client_rx_queue *queue = rxq;
struct pfe_eth_priv_s *priv = queue->priv;
struct rte_mempool *pool;
/*TODO can we remove this cleanup from here?*/
pfe_tx_do_cleanup(priv->pfe);
pfe_hif_rx_process(priv->pfe, nb_pkts);
pool = priv->pfe->hif.shm->pool;
return hif_lib_receive_pkt(rxq, pool, rx_pkts, nb_pkts);
}
static uint16_t
pfe_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
{
struct hif_client_tx_queue *queue = tx_queue;
struct pfe_eth_priv_s *priv = queue->priv;
struct rte_eth_stats *stats = &priv->stats;
int i;
for (i = 0; i < nb_pkts; i++) {
if (tx_pkts[i]->nb_segs > 1) {
struct rte_mbuf *mbuf;
int j;
hif_lib_xmit_pkt(&priv->client, queue->queue_id,
(void *)(size_t)rte_pktmbuf_iova(tx_pkts[i]),
tx_pkts[i]->buf_addr + tx_pkts[i]->data_off,
tx_pkts[i]->data_len, 0x0, HIF_FIRST_BUFFER,
tx_pkts[i]);
mbuf = tx_pkts[i]->next;
for (j = 0; j < (tx_pkts[i]->nb_segs - 2); j++) {
hif_lib_xmit_pkt(&priv->client, queue->queue_id,
(void *)(size_t)rte_pktmbuf_iova(mbuf),
mbuf->buf_addr + mbuf->data_off,
mbuf->data_len,
0x0, 0x0, mbuf);
mbuf = mbuf->next;
}
hif_lib_xmit_pkt(&priv->client, queue->queue_id,
(void *)(size_t)rte_pktmbuf_iova(mbuf),
mbuf->buf_addr + mbuf->data_off,
mbuf->data_len,
0x0, HIF_LAST_BUFFER | HIF_DATA_VALID,
mbuf);
} else {
hif_lib_xmit_pkt(&priv->client, queue->queue_id,
(void *)(size_t)rte_pktmbuf_iova(tx_pkts[i]),
tx_pkts[i]->buf_addr + tx_pkts[i]->data_off,
tx_pkts[i]->pkt_len, 0 /*ctrl*/,
HIF_FIRST_BUFFER | HIF_LAST_BUFFER |
HIF_DATA_VALID,
tx_pkts[i]);
}
stats->obytes += tx_pkts[i]->pkt_len;
hif_tx_dma_start();
}
stats->opackets += nb_pkts;
pfe_tx_do_cleanup(priv->pfe);
return nb_pkts;
}
static uint16_t
pfe_dummy_xmit_pkts(__rte_unused void *tx_queue,
__rte_unused struct rte_mbuf **tx_pkts,
__rte_unused uint16_t nb_pkts)
{
return 0;
}
static uint16_t
pfe_dummy_recv_pkts(__rte_unused void *rxq,
__rte_unused struct rte_mbuf **rx_pkts,
__rte_unused uint16_t nb_pkts)
{
return 0;
}
static int
pfe_eth_open(struct rte_eth_dev *dev)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
struct hif_client_s *client;
struct hif_shm *hif_shm;
int rc;
/* Register client driver with HIF */
client = &priv->client;
if (client->pfe) {
hif_shm = client->pfe->hif.shm;
/* TODO please remove the below code of if block, once we add
* the proper cleanup in eth_close
*/
if (!test_bit(PFE_CL_GEM0 + priv->id,
&hif_shm->g_client_status[0])) {
/* Register client driver with HIF */
memset(client, 0, sizeof(*client));
client->id = PFE_CL_GEM0 + priv->id;
client->tx_qn = emac_txq_cnt;
client->rx_qn = EMAC_RXQ_CNT;
client->priv = priv;
client->pfe = priv->pfe;
client->port_id = dev->data->port_id;
client->event_handler = pfe_eth_event_handler;
client->tx_qsize = EMAC_TXQ_DEPTH;
client->rx_qsize = EMAC_RXQ_DEPTH;
rc = hif_lib_client_register(client);
if (rc) {
PFE_PMD_ERR("hif_lib_client_register(%d)"
" failed", client->id);
goto err0;
}
} else {
/* Freeing the packets if already exists */
int ret = 0;
struct rte_mbuf *rx_pkts[32];
/* TODO multiqueue support */
ret = hif_lib_receive_pkt(&client->rx_q[0],
hif_shm->pool, rx_pkts, 32);
while (ret) {
int i;
for (i = 0; i < ret; i++)
rte_pktmbuf_free(rx_pkts[i]);
ret = hif_lib_receive_pkt(&client->rx_q[0],
hif_shm->pool,
rx_pkts, 32);
}
}
} else {
/* Register client driver with HIF */
memset(client, 0, sizeof(*client));
client->id = PFE_CL_GEM0 + priv->id;
client->tx_qn = emac_txq_cnt;
client->rx_qn = EMAC_RXQ_CNT;
client->priv = priv;
client->pfe = priv->pfe;
client->port_id = dev->data->port_id;
client->event_handler = pfe_eth_event_handler;
client->tx_qsize = EMAC_TXQ_DEPTH;
client->rx_qsize = EMAC_RXQ_DEPTH;
rc = hif_lib_client_register(client);
if (rc) {
PFE_PMD_ERR("hif_lib_client_register(%d) failed",
client->id);
goto err0;
}
}
rc = pfe_eth_start(priv);
dev->rx_pkt_burst = &pfe_recv_pkts;
dev->tx_pkt_burst = &pfe_xmit_pkts;
/* If no prefetch is configured. */
if (getenv("PFE_INTR_SUPPORT")) {
dev->rx_pkt_burst = &pfe_recv_pkts_on_intr;
PFE_PMD_INFO("PFE INTERRUPT Mode enabled");
}
err0:
return rc;
}
static int
pfe_eth_open_cdev(struct pfe_eth_priv_s *priv)
{
int pfe_cdev_fd;
if (priv == NULL)
return -1;
pfe_cdev_fd = open(PFE_CDEV_PATH, O_RDONLY);
if (pfe_cdev_fd < 0) {
PFE_PMD_WARN("Unable to open PFE device file (%s).\n",
PFE_CDEV_PATH);
PFE_PMD_WARN("Link status update will not be available.\n");
priv->link_fd = PFE_CDEV_INVALID_FD;
return -1;
}
priv->link_fd = pfe_cdev_fd;
return 0;
}
static void
pfe_eth_close_cdev(struct pfe_eth_priv_s *priv)
{
if (priv == NULL)
return;
if (priv->link_fd != PFE_CDEV_INVALID_FD) {
close(priv->link_fd);
priv->link_fd = PFE_CDEV_INVALID_FD;
}
}
static void
pfe_eth_stop(struct rte_eth_dev *dev/*, int wake*/)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
gemac_disable(priv->EMAC_baseaddr);
gpi_disable(priv->GPI_baseaddr);
dev->rx_pkt_burst = &pfe_dummy_recv_pkts;
dev->tx_pkt_burst = &pfe_dummy_xmit_pkts;
}
static void
pfe_eth_exit(struct rte_eth_dev *dev, struct pfe *pfe)
{
PMD_INIT_FUNC_TRACE();
pfe_eth_stop(dev);
/* Close the device file for link status */
pfe_eth_close_cdev(dev->data->dev_private);
rte_free(dev->data->mac_addrs);
rte_eth_dev_release_port(dev);
pfe->nb_devs--;
}
static void
pfe_eth_close(struct rte_eth_dev *dev)
{
if (!dev)
return;
if (!g_pfe)
return;
pfe_eth_exit(dev, g_pfe);
if (g_pfe->nb_devs == 0) {
pfe_hif_exit(g_pfe);
pfe_hif_lib_exit(g_pfe);
rte_free(g_pfe);
g_pfe = NULL;
}
}
static int
pfe_eth_configure(struct rte_eth_dev *dev __rte_unused)
{
return 0;
}
static int
pfe_eth_info(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
struct pfe_eth_priv_s *internals = dev->data->dev_private;
dev_info->if_index = internals->id;
dev_info->max_mac_addrs = PFE_MAX_MACS;
dev_info->max_rx_queues = dev->data->nb_rx_queues;
dev_info->max_tx_queues = dev->data->nb_tx_queues;
dev_info->min_rx_bufsize = HIF_RX_PKT_MIN_SIZE;
dev_info->min_mtu = RTE_ETHER_MIN_MTU;
dev_info->rx_offload_capa = dev_rx_offloads_sup;
dev_info->tx_offload_capa = dev_tx_offloads_sup;
if (pfe_svr == SVR_LS1012A_REV1) {
dev_info->max_rx_pktlen = MAX_MTU_ON_REV1 + PFE_ETH_OVERHEAD;
dev_info->max_mtu = MAX_MTU_ON_REV1;
} else {
dev_info->max_rx_pktlen = JUMBO_FRAME_SIZE;
dev_info->max_mtu = JUMBO_FRAME_SIZE - PFE_ETH_OVERHEAD;
}
return 0;
}
/* Only first mb_pool given on first call of this API will be used
* in whole system, also nb_rx_desc and rx_conf are unused params
*/
static int
pfe_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx,
__rte_unused uint16_t nb_rx_desc,
__rte_unused unsigned int socket_id,
__rte_unused const struct rte_eth_rxconf *rx_conf,
struct rte_mempool *mb_pool)
{
int rc = 0;
struct pfe *pfe;
struct pfe_eth_priv_s *priv = dev->data->dev_private;
pfe = priv->pfe;
if (queue_idx >= EMAC_RXQ_CNT) {
PFE_PMD_ERR("Invalid queue idx = %d, Max queues = %d",
queue_idx, EMAC_RXQ_CNT);
return -1;
}
if (!pfe->hif.setuped) {
rc = pfe_hif_shm_init(pfe->hif.shm, mb_pool);
if (rc) {
PFE_PMD_ERR("Could not allocate buffer descriptors");
return -1;
}
pfe->hif.shm->pool = mb_pool;
if (pfe_hif_init_buffers(&pfe->hif)) {
PFE_PMD_ERR("Could not initialize buffer descriptors");
return -1;
}
hif_init();
hif_rx_enable();
hif_tx_enable();
pfe->hif.setuped = 1;
}
dev->data->rx_queues[queue_idx] = &priv->client.rx_q[queue_idx];
priv->client.rx_q[queue_idx].queue_id = queue_idx;
return 0;
}
static void
pfe_rx_queue_release(void *q __rte_unused)
{
PMD_INIT_FUNC_TRACE();
}
static void
pfe_tx_queue_release(void *q __rte_unused)
{
PMD_INIT_FUNC_TRACE();
}
static int
pfe_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
__rte_unused uint16_t nb_desc,
__rte_unused unsigned int socket_id,
__rte_unused const struct rte_eth_txconf *tx_conf)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
if (queue_idx >= emac_txq_cnt) {
PFE_PMD_ERR("Invalid queue idx = %d, Max queues = %d",
queue_idx, emac_txq_cnt);
return -1;
}
dev->data->tx_queues[queue_idx] = &priv->client.tx_q[queue_idx];
priv->client.tx_q[queue_idx].queue_id = queue_idx;
return 0;
}
static const uint32_t *
pfe_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
};
if (dev->rx_pkt_burst == pfe_recv_pkts ||
dev->rx_pkt_burst == pfe_recv_pkts_on_intr)
return ptypes;
return NULL;
}
static inline int
pfe_eth_atomic_read_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link)
{
struct rte_eth_link *dst = link;
struct rte_eth_link *src = &dev->data->dev_link;
if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
*(uint64_t *)src) == 0)
return -1;
return 0;
}
static inline int
pfe_eth_atomic_write_link_status(struct rte_eth_dev *dev,
struct rte_eth_link *link)
{
struct rte_eth_link *dst = &dev->data->dev_link;
struct rte_eth_link *src = link;
if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
*(uint64_t *)src) == 0)
return -1;
return 0;
}
static int
pfe_eth_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused)
{
int ret, ioctl_cmd = 0;
struct pfe_eth_priv_s *priv = dev->data->dev_private;
struct rte_eth_link link, old;
unsigned int lstatus = 1;
if (dev == NULL) {
PFE_PMD_ERR("Invalid device in link_update.\n");
return 0;
}
memset(&old, 0, sizeof(old));
memset(&link, 0, sizeof(struct rte_eth_link));
pfe_eth_atomic_read_link_status(dev, &old);
/* Read from PFE CDEV, status of link, if file was successfully
* opened.
*/
if (priv->link_fd != PFE_CDEV_INVALID_FD) {
if (priv->id == 0)
ioctl_cmd = PFE_CDEV_ETH0_STATE_GET;
if (priv->id == 1)
ioctl_cmd = PFE_CDEV_ETH1_STATE_GET;
ret = ioctl(priv->link_fd, ioctl_cmd, &lstatus);
if (ret != 0) {
PFE_PMD_ERR("Unable to fetch link status (ioctl)\n");
/* use dummy link value */
link.link_status = 1;
}
PFE_PMD_DEBUG("Fetched link state (%d) for dev %d.\n",
lstatus, priv->id);
}
if (old.link_status == lstatus) {
/* no change in status */
PFE_PMD_DEBUG("No change in link status; Not updating.\n");
return -1;
}
link.link_status = lstatus;
link.link_speed = ETH_LINK_SPEED_1G;
link.link_duplex = ETH_LINK_FULL_DUPLEX;
link.link_autoneg = ETH_LINK_AUTONEG;
pfe_eth_atomic_write_link_status(dev, &link);
PFE_PMD_INFO("Port (%d) link is %s\n", dev->data->port_id,
link.link_status ? "up" : "down");
return 0;
}
static int
pfe_promiscuous_enable(struct rte_eth_dev *dev)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
priv->promisc = 1;
dev->data->promiscuous = 1;
gemac_enable_copy_all(priv->EMAC_baseaddr);
return 0;
}
static int
pfe_promiscuous_disable(struct rte_eth_dev *dev)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
priv->promisc = 0;
dev->data->promiscuous = 0;
gemac_disable_copy_all(priv->EMAC_baseaddr);
return 0;
}
static int
pfe_allmulticast_enable(struct rte_eth_dev *dev)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
struct pfe_mac_addr hash_addr; /* hash register structure */
/* Set the hash to rx all multicast frames */
hash_addr.bottom = 0xFFFFFFFF;
hash_addr.top = 0xFFFFFFFF;
gemac_set_hash(priv->EMAC_baseaddr, &hash_addr);
dev->data->all_multicast = 1;
return 0;
}
static int
pfe_link_down(struct rte_eth_dev *dev)
{
pfe_eth_stop(dev);
return 0;
}
static int
pfe_link_up(struct rte_eth_dev *dev)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
pfe_eth_start(priv);
return 0;
}
static int
pfe_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
int ret;
struct pfe_eth_priv_s *priv = dev->data->dev_private;
uint16_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
/*TODO Support VLAN*/
ret = gemac_set_rx(priv->EMAC_baseaddr, frame_size);
if (!ret)
dev->data->mtu = mtu;
return ret;
}
/* pfe_eth_enet_addr_byte_mac
*/
static int
pfe_eth_enet_addr_byte_mac(u8 *enet_byte_addr,
struct pfe_mac_addr *enet_addr)
{
if (!enet_byte_addr || !enet_addr) {
return -1;
} else {
enet_addr->bottom = enet_byte_addr[0] |
(enet_byte_addr[1] << 8) |
(enet_byte_addr[2] << 16) |
(enet_byte_addr[3] << 24);
enet_addr->top = enet_byte_addr[4] |
(enet_byte_addr[5] << 8);
return 0;
}
}
static int
pfe_dev_set_mac_addr(struct rte_eth_dev *dev,
struct rte_ether_addr *addr)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
struct pfe_mac_addr spec_addr;
int ret;
ret = pfe_eth_enet_addr_byte_mac(addr->addr_bytes, &spec_addr);
if (ret)
return ret;
gemac_set_laddrN(priv->EMAC_baseaddr,
(struct pfe_mac_addr *)&spec_addr, 1);
rte_ether_addr_copy(addr, &dev->data->mac_addrs[0]);
return 0;
}
static int
pfe_stats_get(struct rte_eth_dev *dev,
struct rte_eth_stats *stats)
{
struct pfe_eth_priv_s *priv = dev->data->dev_private;
struct rte_eth_stats *eth_stats = &priv->stats;
if (stats == NULL)
return -1;
memset(stats, 0, sizeof(struct rte_eth_stats));
stats->ipackets = eth_stats->ipackets;
stats->ibytes = eth_stats->ibytes;
stats->opackets = eth_stats->opackets;
stats->obytes = eth_stats->obytes;
return 0;
}
static const struct eth_dev_ops ops = {
.dev_start = pfe_eth_open,
.dev_stop = pfe_eth_stop,
.dev_close = pfe_eth_close,
.dev_configure = pfe_eth_configure,
.dev_infos_get = pfe_eth_info,
.rx_queue_setup = pfe_rx_queue_setup,
.rx_queue_release = pfe_rx_queue_release,
.tx_queue_setup = pfe_tx_queue_setup,
.tx_queue_release = pfe_tx_queue_release,
.dev_supported_ptypes_get = pfe_supported_ptypes_get,
.link_update = pfe_eth_link_update,
.promiscuous_enable = pfe_promiscuous_enable,
.promiscuous_disable = pfe_promiscuous_disable,
.allmulticast_enable = pfe_allmulticast_enable,
.dev_set_link_down = pfe_link_down,
.dev_set_link_up = pfe_link_up,
.mtu_set = pfe_mtu_set,
.mac_addr_set = pfe_dev_set_mac_addr,
.stats_get = pfe_stats_get,
};
static int
pfe_eth_init(struct rte_vdev_device *vdev, struct pfe *pfe, int id)
{
struct rte_eth_dev *eth_dev = NULL;
struct pfe_eth_priv_s *priv = NULL;
struct ls1012a_eth_platform_data *einfo;
struct ls1012a_pfe_platform_data *pfe_info;
struct rte_ether_addr addr;
int err;
eth_dev = rte_eth_vdev_allocate(vdev, sizeof(*priv));
if (eth_dev == NULL)
return -ENOMEM;
/* Extract pltform data */
pfe_info = (struct ls1012a_pfe_platform_data *)&pfe->platform_data;
if (!pfe_info) {
PFE_PMD_ERR("pfe missing additional platform data");
err = -ENODEV;
goto err0;
}
einfo = (struct ls1012a_eth_platform_data *)pfe_info->ls1012a_eth_pdata;
/* einfo never be NULL, but no harm in having this check */
if (!einfo) {
PFE_PMD_ERR("pfe missing additional gemacs platform data");
err = -ENODEV;
goto err0;
}
priv = eth_dev->data->dev_private;
priv->ndev = eth_dev;
priv->id = einfo[id].gem_id;
priv->pfe = pfe;
pfe->eth.eth_priv[id] = priv;
/* Set the info in the priv to the current info */
priv->einfo = &einfo[id];
priv->EMAC_baseaddr = cbus_emac_base[id];
priv->PHY_baseaddr = cbus_emac_base[id];
priv->GPI_baseaddr = cbus_gpi_base[id];
#define HIF_GEMAC_TMUQ_BASE 6
priv->low_tmu_q = HIF_GEMAC_TMUQ_BASE + (id * 2);
priv->high_tmu_q = priv->low_tmu_q + 1;
rte_spinlock_init(&priv->lock);
/* Copy the station address into the dev structure, */
eth_dev->data->mac_addrs = rte_zmalloc("mac_addr",
ETHER_ADDR_LEN * PFE_MAX_MACS, 0);
if (eth_dev->data->mac_addrs == NULL) {
PFE_PMD_ERR("Failed to allocate mem %d to store MAC addresses",
ETHER_ADDR_LEN * PFE_MAX_MACS);
err = -ENOMEM;
goto err0;
}
memcpy(addr.addr_bytes, priv->einfo->mac_addr,
ETH_ALEN);
pfe_dev_set_mac_addr(eth_dev, &addr);
rte_ether_addr_copy(&addr, &eth_dev->data->mac_addrs[0]);
eth_dev->data->mtu = 1500;
eth_dev->dev_ops = &ops;
pfe_eth_stop(eth_dev);
pfe_gemac_init(priv);
eth_dev->data->nb_rx_queues = 1;
eth_dev->data->nb_tx_queues = 1;
/* For link status, open the PFE CDEV; Error from this function
* is silently ignored; In case of error, the link status will not
* be available.
*/
pfe_eth_open_cdev(priv);
rte_eth_dev_probing_finish(eth_dev);
return 0;
err0:
rte_eth_dev_release_port(eth_dev);
return err;
}
static int
pfe_get_gemac_if_proprties(struct pfe *pfe,
__rte_unused const struct device_node *parent,
unsigned int port, unsigned int if_cnt,
struct ls1012a_pfe_platform_data *pdata)
{
const struct device_node *gem = NULL;
size_t size;
unsigned int ii = 0, phy_id = 0;
const u32 *addr;
const void *mac_addr;
for (ii = 0; ii < if_cnt; ii++) {
gem = of_get_next_child(parent, gem);
if (!gem)
goto err;
addr = of_get_property(gem, "reg", &size);
if (addr && (rte_be_to_cpu_32((unsigned int)*addr) == port))
break;
}
if (ii >= if_cnt) {
PFE_PMD_ERR("Failed to find interface = %d", if_cnt);
goto err;
}
pdata->ls1012a_eth_pdata[port].gem_id = port;
mac_addr = of_get_mac_address(gem);
if (mac_addr) {
memcpy(pdata->ls1012a_eth_pdata[port].mac_addr, mac_addr,
ETH_ALEN);
}
addr = of_get_property(gem, "fsl,mdio-mux-val", &size);
if (!addr) {
PFE_PMD_ERR("Invalid mdio-mux-val....");
} else {
phy_id = rte_be_to_cpu_32((unsigned int)*addr);
pdata->ls1012a_eth_pdata[port].mdio_muxval = phy_id;
}
if (pdata->ls1012a_eth_pdata[port].phy_id < 32)
pfe->mdio_muxval[pdata->ls1012a_eth_pdata[port].phy_id] =
pdata->ls1012a_eth_pdata[port].mdio_muxval;
return 0;
err:
return -1;
}
/* Parse integer from integer argument */
static int
parse_integer_arg(const char *key __rte_unused,
const char *value, void *extra_args)
{
int i;
char *end;
errno = 0;
i = strtol(value, &end, 10);
if (*end != 0 || errno != 0 || i < 0 || i > 1) {
PFE_PMD_ERR("Supported Port IDS are 0 and 1");
return -EINVAL;
}
*((uint32_t *)extra_args) = i;
return 0;
}
static int
pfe_parse_vdev_init_params(struct pfe_vdev_init_params *params,
struct rte_vdev_device *dev)
{
struct rte_kvargs *kvlist = NULL;
int ret = 0;
static const char * const pfe_vdev_valid_params[] = {
PFE_VDEV_GEM_ID_ARG,
NULL
};
const char *input_args = rte_vdev_device_args(dev);
if (!input_args)
return -1;
kvlist = rte_kvargs_parse(input_args, pfe_vdev_valid_params);
if (kvlist == NULL)
return -1;
ret = rte_kvargs_process(kvlist,
PFE_VDEV_GEM_ID_ARG,
&parse_integer_arg,
&params->gem_id);
rte_kvargs_free(kvlist);
return ret;
}
static int
pmd_pfe_probe(struct rte_vdev_device *vdev)
{
const u32 *prop;
const struct device_node *np;
const char *name;
const uint32_t *addr;
uint64_t cbus_addr, ddr_size, cbus_size;
int rc = -1, fd = -1, gem_id;
unsigned int ii, interface_count = 0;
size_t size = 0;
struct pfe_vdev_init_params init_params = {
.gem_id = -1
};
name = rte_vdev_device_name(vdev);
rc = pfe_parse_vdev_init_params(&init_params, vdev);
if (rc < 0)
return -EINVAL;
RTE_LOG(INFO, PMD, "Initializing pmd_pfe for %s Given gem-id %d\n",
name, init_params.gem_id);
if (g_pfe) {
if (g_pfe->nb_devs >= g_pfe->max_intf) {
PFE_PMD_ERR("PFE %d dev already created Max is %d",
g_pfe->nb_devs, g_pfe->max_intf);
return -EINVAL;
}
goto eth_init;
}
g_pfe = rte_zmalloc(NULL, sizeof(*g_pfe), RTE_CACHE_LINE_SIZE);
if (g_pfe == NULL)
return -EINVAL;
/* Load the device-tree driver */
rc = of_init();
if (rc) {
PFE_PMD_ERR("of_init failed with ret: %d", rc);
goto err;
}
np = of_find_compatible_node(NULL, NULL, "fsl,pfe");
if (!np) {
PFE_PMD_ERR("Invalid device node");
rc = -EINVAL;
goto err;
}
addr = of_get_address(np, 0, &cbus_size, NULL);
if (!addr) {
PFE_PMD_ERR("of_get_address cannot return qman address\n");
goto err;
}
cbus_addr = of_translate_address(np, addr);
if (!cbus_addr) {
PFE_PMD_ERR("of_translate_address failed\n");
goto err;
}
addr = of_get_address(np, 1, &ddr_size, NULL);
if (!addr) {
PFE_PMD_ERR("of_get_address cannot return qman address\n");
goto err;
}
g_pfe->ddr_phys_baseaddr = of_translate_address(np, addr);
if (!g_pfe->ddr_phys_baseaddr) {
PFE_PMD_ERR("of_translate_address failed\n");
goto err;
}
g_pfe->ddr_baseaddr = pfe_mem_ptov(g_pfe->ddr_phys_baseaddr);
g_pfe->ddr_size = ddr_size;
g_pfe->cbus_size = cbus_size;
fd = open("/dev/mem", O_RDWR);
g_pfe->cbus_baseaddr = mmap(NULL, cbus_size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, cbus_addr);
close(fd);
if (g_pfe->cbus_baseaddr == MAP_FAILED) {
PFE_PMD_ERR("Can not map cbus base");
rc = -EINVAL;
goto err;
}
/* Read interface count */
prop = of_get_property(np, "fsl,pfe-num-interfaces", &size);
if (!prop) {
PFE_PMD_ERR("Failed to read number of interfaces");
rc = -ENXIO;
goto err_prop;
}
interface_count = rte_be_to_cpu_32((unsigned int)*prop);
if (interface_count <= 0) {
PFE_PMD_ERR("No ethernet interface count : %d",
interface_count);
rc = -ENXIO;
goto err_prop;
}
PFE_PMD_INFO("num interfaces = %d ", interface_count);
g_pfe->max_intf = interface_count;
g_pfe->platform_data.ls1012a_mdio_pdata[0].phy_mask = 0xffffffff;
for (ii = 0; ii < interface_count; ii++) {
pfe_get_gemac_if_proprties(g_pfe, np, ii, interface_count,
&g_pfe->platform_data);
}
pfe_lib_init(g_pfe->cbus_baseaddr, g_pfe->ddr_baseaddr,
g_pfe->ddr_phys_baseaddr, g_pfe->ddr_size);
PFE_PMD_INFO("CLASS version: %x", readl(CLASS_VERSION));
PFE_PMD_INFO("TMU version: %x", readl(TMU_VERSION));
PFE_PMD_INFO("BMU1 version: %x", readl(BMU1_BASE_ADDR + BMU_VERSION));
PFE_PMD_INFO("BMU2 version: %x", readl(BMU2_BASE_ADDR + BMU_VERSION));
PFE_PMD_INFO("EGPI1 version: %x", readl(EGPI1_BASE_ADDR + GPI_VERSION));
PFE_PMD_INFO("EGPI2 version: %x", readl(EGPI2_BASE_ADDR + GPI_VERSION));
PFE_PMD_INFO("HGPI version: %x", readl(HGPI_BASE_ADDR + GPI_VERSION));
PFE_PMD_INFO("HIF version: %x", readl(HIF_VERSION));
PFE_PMD_INFO("HIF NOPCY version: %x", readl(HIF_NOCPY_VERSION));
cbus_emac_base[0] = EMAC1_BASE_ADDR;
cbus_emac_base[1] = EMAC2_BASE_ADDR;
cbus_gpi_base[0] = EGPI1_BASE_ADDR;
cbus_gpi_base[1] = EGPI2_BASE_ADDR;
rc = pfe_hif_lib_init(g_pfe);
if (rc < 0)
goto err_hif_lib;
rc = pfe_hif_init(g_pfe);
if (rc < 0)
goto err_hif;
pfe_soc_version_get();
eth_init:
if (init_params.gem_id < 0)
gem_id = g_pfe->nb_devs;
else
gem_id = init_params.gem_id;
RTE_LOG(INFO, PMD, "Init pmd_pfe for %s gem-id %d(given =%d)\n",
name, gem_id, init_params.gem_id);
rc = pfe_eth_init(vdev, g_pfe, gem_id);
if (rc < 0)
goto err_eth;
else
g_pfe->nb_devs++;
return 0;
err_eth:
pfe_hif_exit(g_pfe);
err_hif:
pfe_hif_lib_exit(g_pfe);
err_hif_lib:
err_prop:
munmap(g_pfe->cbus_baseaddr, cbus_size);
err:
rte_free(g_pfe);
return rc;
}
static int
pmd_pfe_remove(struct rte_vdev_device *vdev)
{
const char *name;
struct rte_eth_dev *eth_dev = NULL;
name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
PFE_PMD_INFO("Closing eventdev sw device %s", name);
if (!g_pfe)
return 0;
eth_dev = rte_eth_dev_allocated(name);
if (eth_dev == NULL)
return -ENODEV;
pfe_eth_exit(eth_dev, g_pfe);
munmap(g_pfe->cbus_baseaddr, g_pfe->cbus_size);
if (g_pfe->nb_devs == 0) {
pfe_hif_exit(g_pfe);
pfe_hif_lib_exit(g_pfe);
rte_free(g_pfe);
g_pfe = NULL;
}
return 0;
}
static
struct rte_vdev_driver pmd_pfe_drv = {
.probe = pmd_pfe_probe,
.remove = pmd_pfe_remove,
};
RTE_PMD_REGISTER_VDEV(PFE_NAME_PMD, pmd_pfe_drv);
RTE_PMD_REGISTER_PARAM_STRING(PFE_NAME_PMD, PFE_VDEV_GEM_ID_ARG "=<int> ");
RTE_INIT(pfe_pmd_init_log)
{
pfe_logtype_pmd = rte_log_register("pmd.net.pfe");
if (pfe_logtype_pmd >= 0)
rte_log_set_level(pfe_logtype_pmd, RTE_LOG_NOTICE);
}