/*-
* BSD LICENSE
*
- * Copyright (c) 2015 CESNET
+ * Copyright (c) 2015 - 2016 CESNET
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <err.h>
#include <sys/types.h>
#include <dirent.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/mman.h>
#include <libsze2.h>
#include <rte_memcpy.h>
#include <rte_kvargs.h>
#include <rte_dev.h>
+#include <rte_atomic.h>
#include "rte_eth_szedata2.h"
static struct ether_addr eth_addr = {
.addr_bytes = { 0x00, 0x11, 0x17, 0x00, 0x00, 0x00 }
};
-static struct rte_eth_link pmd_link = {
- .link_speed = ETH_LINK_SPEED_10G,
- .link_duplex = ETH_LINK_FULL_DUPLEX,
- .link_status = 0
-};
static uint16_t
eth_szedata2_rx(void *queue,
goto err_tx;
}
- dev->data->dev_link.link_status = 1;
return 0;
err_tx:
for (i = 0; i < nb_rx; i++)
eth_rx_queue_stop(dev, i);
-
- dev->data->dev_link.link_status = 0;
}
static int
}
static int
-eth_link_update(struct rte_eth_dev *dev __rte_unused,
+eth_link_update(struct rte_eth_dev *dev,
int wait_to_complete __rte_unused)
{
+ struct rte_eth_link link;
+ struct rte_eth_link *link_ptr = &link;
+ struct rte_eth_link *dev_link = &dev->data->dev_link;
+ volatile struct szedata2_cgmii_ibuf *ibuf = SZEDATA2_PCI_RESOURCE_PTR(
+ dev, SZEDATA2_CGMII_IBUF_BASE_OFF,
+ volatile struct szedata2_cgmii_ibuf *);
+
+ switch (cgmii_link_speed(ibuf)) {
+ case SZEDATA2_LINK_SPEED_10G:
+ link.link_speed = ETH_LINK_SPEED_10G;
+ break;
+ case SZEDATA2_LINK_SPEED_40G:
+ link.link_speed = ETH_LINK_SPEED_40G;
+ break;
+ case SZEDATA2_LINK_SPEED_100G:
+ /*
+ * TODO
+ * If link_speed value from rte_eth_link structure
+ * will be changed to support 100Gbps speed change
+ * this value to 100G.
+ */
+ link.link_speed = ETH_LINK_SPEED_10G;
+ break;
+ default:
+ link.link_speed = ETH_LINK_SPEED_10G;
+ break;
+ }
+
+ /* szedata2 uses only full duplex */
+ link.link_duplex = ETH_LINK_FULL_DUPLEX;
+
+ link.link_status = (cgmii_ibuf_is_enabled(ibuf) &&
+ cgmii_ibuf_is_link_up(ibuf)) ? 1 : 0;
+
+ rte_atomic64_cmpset((uint64_t *)dev_link, *(uint64_t *)dev_link,
+ *(uint64_t *)link_ptr);
+
+ return 0;
+}
+
+static int
+eth_dev_set_link_up(struct rte_eth_dev *dev)
+{
+ volatile struct szedata2_cgmii_ibuf *ibuf = SZEDATA2_PCI_RESOURCE_PTR(
+ dev, SZEDATA2_CGMII_IBUF_BASE_OFF,
+ volatile struct szedata2_cgmii_ibuf *);
+ volatile struct szedata2_cgmii_obuf *obuf = SZEDATA2_PCI_RESOURCE_PTR(
+ dev, SZEDATA2_CGMII_OBUF_BASE_OFF,
+ volatile struct szedata2_cgmii_obuf *);
+
+ cgmii_ibuf_enable(ibuf);
+ cgmii_obuf_enable(obuf);
+ return 0;
+}
+
+static int
+eth_dev_set_link_down(struct rte_eth_dev *dev)
+{
+ volatile struct szedata2_cgmii_ibuf *ibuf = SZEDATA2_PCI_RESOURCE_PTR(
+ dev, SZEDATA2_CGMII_IBUF_BASE_OFF,
+ volatile struct szedata2_cgmii_ibuf *);
+ volatile struct szedata2_cgmii_obuf *obuf = SZEDATA2_PCI_RESOURCE_PTR(
+ dev, SZEDATA2_CGMII_OBUF_BASE_OFF,
+ volatile struct szedata2_cgmii_obuf *);
+
+ cgmii_ibuf_disable(ibuf);
+ cgmii_obuf_disable(obuf);
return 0;
}
static struct eth_dev_ops ops = {
.dev_start = eth_dev_start,
.dev_stop = eth_dev_stop,
+ .dev_set_link_up = eth_dev_set_link_up,
+ .dev_set_link_down = eth_dev_set_link_down,
.dev_close = eth_dev_close,
.dev_configure = eth_dev_configure,
.dev_infos_get = eth_dev_info,
struct szedata *szedata_temp;
int ret;
uint32_t szedata2_index;
- struct rte_pci_addr pciaddr = dev->pci_dev->addr;
+ struct rte_pci_addr *pci_addr = &dev->pci_dev->addr;
+ struct rte_pci_resource *pci_rsc =
+ &dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER];
+ char rsc_filename[PATH_MAX];
+ void *pci_resource_ptr = NULL;
+ int fd;
RTE_LOG(INFO, PMD, "Initializing szedata2 device (" PCI_PRI_FMT ")\n",
- pciaddr.domain, pciaddr.bus, pciaddr.devid,
- pciaddr.function);
+ pci_addr->domain, pci_addr->bus, pci_addr->devid,
+ pci_addr->function);
/* Get index of szedata2 device file and create path to device file */
ret = get_szedata2_index(dev, &szedata2_index);
SZE2_DIR_TX);
szedata_close(szedata_temp);
- RTE_LOG(INFO, PMD, "Available DMA channels RX: %u, TX: %u\n",
+ RTE_LOG(INFO, PMD, "Available DMA channels RX: %u TX: %u\n",
internals->max_rx_queues, internals->max_tx_queues);
/* Set rx, tx burst functions */
rte_eth_copy_pci_info(dev, dev->pci_dev);
- data->dev_link = pmd_link;
+ /* mmap pci resource0 file to rte_pci_resource structure */
+ if (dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].phys_addr ==
+ 0) {
+ RTE_LOG(ERR, PMD, "Missing resource%u file\n",
+ PCI_RESOURCE_NUMBER);
+ return -EINVAL;
+ }
+ snprintf(rsc_filename, PATH_MAX,
+ SYSFS_PCI_DEVICES "/" PCI_PRI_FMT "/resource%u",
+ pci_addr->domain, pci_addr->bus,
+ pci_addr->devid, pci_addr->function, PCI_RESOURCE_NUMBER);
+ fd = open(rsc_filename, O_RDWR);
+ if (fd < 0) {
+ RTE_LOG(ERR, PMD, "Could not open file %s\n", rsc_filename);
+ return -EINVAL;
+ }
+
+ pci_resource_ptr = mmap(0,
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].len,
+ PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+ close(fd);
+ if (pci_resource_ptr == NULL) {
+ RTE_LOG(ERR, PMD, "Could not mmap file %s (fd = %d)\n",
+ rsc_filename, fd);
+ return -EINVAL;
+ }
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr =
+ pci_resource_ptr;
+
+ RTE_LOG(DEBUG, PMD, "resource%u phys_addr = 0x%llx len = %llu "
+ "virt addr = %llx\n", PCI_RESOURCE_NUMBER,
+ (unsigned long long)pci_rsc->phys_addr,
+ (unsigned long long)pci_rsc->len,
+ (unsigned long long)pci_rsc->addr);
+
+ eth_link_update(dev, 0);
data->mac_addrs = rte_zmalloc(data->name, sizeof(struct ether_addr),
RTE_CACHE_LINE_SIZE);
if (data->mac_addrs == NULL) {
RTE_LOG(ERR, PMD, "Could not alloc space for MAC address!\n");
+ munmap(dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr,
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].len);
return -EINVAL;
}
ether_addr_copy(ð_addr, data->mac_addrs);
+ RTE_LOG(INFO, PMD, "szedata2 device ("
+ PCI_PRI_FMT ") successfully initialized\n",
+ pci_addr->domain, pci_addr->bus, pci_addr->devid,
+ pci_addr->function);
+
return 0;
}
static int
rte_szedata2_eth_dev_uninit(struct rte_eth_dev *dev)
{
+ struct rte_pci_addr *pci_addr = &dev->pci_dev->addr;
+
rte_free(dev->data->mac_addrs);
dev->data->mac_addrs = NULL;
+ munmap(dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr,
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].len);
+
+ RTE_LOG(INFO, PMD, "szedata2 device ("
+ PCI_PRI_FMT ") successfully uninitialized\n",
+ pci_addr->domain, pci_addr->bus, pci_addr->devid,
+ pci_addr->function);
+
return 0;
}
/*-
* BSD LICENSE
*
- * Copyright (c) 2015 CESNET
+ * Copyright (c) 2015 - 2016 CESNET
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#ifndef RTE_PMD_SZEDATA2_H_
#define RTE_PMD_SZEDATA2_H_
+#include <stdbool.h>
+
+#include <rte_byteorder.h>
+
/* PCI Vendor ID */
#define PCI_VENDOR_ID_NETCOPE 0x1b26
#define PCI_DEVICE_ID_NETCOPE_COMBO100G 0xc1c1
#define PCI_DEVICE_ID_NETCOPE_COMBO100G2 0xc2c1
+/* number of PCI resource used by COMBO card */
+#define PCI_RESOURCE_NUMBER 0
+
/* szedata2_packet header length == 4 bytes == 2B segment size + 2B hw size */
#define RTE_SZE2_PACKET_HEADER_SIZE 4
int numa_node;
};
+/*
+ * @return Byte from PCI resource at offset "offset".
+ */
+static inline uint8_t
+pci_resource_read8(struct rte_eth_dev *dev, uint32_t offset)
+{
+ return *((uint8_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset));
+}
+
+/*
+ * @return Two bytes from PCI resource starting at offset "offset".
+ */
+static inline uint16_t
+pci_resource_read16(struct rte_eth_dev *dev, uint32_t offset)
+{
+ return rte_le_to_cpu_16(*((uint16_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)));
+}
+
+/*
+ * @return Four bytes from PCI resource starting at offset "offset".
+ */
+static inline uint32_t
+pci_resource_read32(struct rte_eth_dev *dev, uint32_t offset)
+{
+ return rte_le_to_cpu_32(*((uint32_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)));
+}
+
+/*
+ * @return Eight bytes from PCI resource starting at offset "offset".
+ */
+static inline uint64_t
+pci_resource_read64(struct rte_eth_dev *dev, uint32_t offset)
+{
+ return rte_le_to_cpu_64(*((uint64_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)));
+}
+
+/*
+ * Write one byte to PCI resource address space at offset "offset".
+ */
+static inline void
+pci_resource_write8(struct rte_eth_dev *dev, uint32_t offset, uint8_t val)
+{
+ *((uint8_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)) = val;
+}
+
+/*
+ * Write two bytes to PCI resource address space at offset "offset".
+ */
+static inline void
+pci_resource_write16(struct rte_eth_dev *dev, uint32_t offset, uint16_t val)
+{
+ *((uint16_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)) = rte_cpu_to_le_16(val);
+}
+
+/*
+ * Write four bytes to PCI resource address space at offset "offset".
+ */
+static inline void
+pci_resource_write32(struct rte_eth_dev *dev, uint32_t offset, uint32_t val)
+{
+ *((uint32_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)) = rte_cpu_to_le_32(val);
+}
+
+/*
+ * Write eight bytes to PCI resource address space at offset "offset".
+ */
+static inline void
+pci_resource_write64(struct rte_eth_dev *dev, uint32_t offset, uint64_t val)
+{
+ *((uint64_t *)((uint8_t *)
+ dev->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr +
+ offset)) = rte_cpu_to_le_64(val);
+}
+
+#define SZEDATA2_PCI_RESOURCE_PTR(dev, offset, type) \
+ ((type)((uint8_t *) \
+ ((dev)->pci_dev->mem_resource[PCI_RESOURCE_NUMBER].addr) \
+ + (offset)))
+
+enum szedata2_link_speed {
+ SZEDATA2_LINK_SPEED_DEFAULT = 0,
+ SZEDATA2_LINK_SPEED_10G,
+ SZEDATA2_LINK_SPEED_40G,
+ SZEDATA2_LINK_SPEED_100G,
+};
+
+/*
+ * Structure describes CGMII IBUF address space
+ */
+struct szedata2_cgmii_ibuf {
+ /** Total Received Frames Counter low part */
+ uint32_t trfcl;
+ /** Correct Frames Counter low part */
+ uint32_t cfcl;
+ /** Discarded Frames Counter low part */
+ uint32_t dfcl;
+ /** Counter of frames discarded due to buffer overflow low part */
+ uint32_t bodfcl;
+ /** Total Received Frames Counter high part */
+ uint32_t trfch;
+ /** Correct Frames Counter high part */
+ uint32_t cfch;
+ /** Discarded Frames Counter high part */
+ uint32_t dfch;
+ /** Counter of frames discarded due to buffer overflow high part */
+ uint32_t bodfch;
+ /** IBUF enable register */
+ uint32_t ibuf_en;
+ /** Error mask register */
+ uint32_t err_mask;
+ /** IBUF status register */
+ uint32_t ibuf_st;
+ /** IBUF command register */
+ uint32_t ibuf_cmd;
+ /** Minimum frame length allowed */
+ uint32_t mfla;
+ /** Frame MTU */
+ uint32_t mtu;
+ /** MAC address check mode */
+ uint32_t mac_chmode;
+ /** Octets Received OK Counter low part */
+ uint32_t orocl;
+ /** Octets Received OK Counter high part */
+ uint32_t oroch;
+} __rte_packed;
+
+/* Offset of CGMII IBUF memory for MAC addresses */
+#define SZEDATA2_CGMII_IBUF_MAC_MEM_OFF 0x80
+
+/*
+ * @return
+ * true if IBUF is enabled
+ * false if IBUF is disabled
+ */
+static inline bool
+cgmii_ibuf_is_enabled(volatile struct szedata2_cgmii_ibuf *ibuf)
+{
+ return ((rte_le_to_cpu_32(ibuf->ibuf_en) & 0x1) != 0) ? true : false;
+}
+
+/*
+ * Enables IBUF.
+ */
+static inline void
+cgmii_ibuf_enable(volatile struct szedata2_cgmii_ibuf *ibuf)
+{
+ ibuf->ibuf_en =
+ rte_cpu_to_le_32(rte_le_to_cpu_32(ibuf->ibuf_en) | 0x1);
+}
+
+/*
+ * Disables IBUF.
+ */
+static inline void
+cgmii_ibuf_disable(volatile struct szedata2_cgmii_ibuf *ibuf)
+{
+ ibuf->ibuf_en =
+ rte_cpu_to_le_32(rte_le_to_cpu_32(ibuf->ibuf_en) & ~0x1);
+}
+
+/*
+ * @return
+ * true if ibuf link is up
+ * false if ibuf link is down
+ */
+static inline bool
+cgmii_ibuf_is_link_up(volatile struct szedata2_cgmii_ibuf *ibuf)
+{
+ return ((rte_le_to_cpu_32(ibuf->ibuf_st) & 0x80) != 0) ? true : false;
+}
+
+/*
+ * Structure describes CGMII OBUF address space
+ */
+struct szedata2_cgmii_obuf {
+ /** Total Sent Frames Counter low part */
+ uint32_t tsfcl;
+ /** Octets Sent Counter low part */
+ uint32_t oscl;
+ /** Total Discarded Frames Counter low part */
+ uint32_t tdfcl;
+ /** reserved */
+ uint32_t reserved1;
+ /** Total Sent Frames Counter high part */
+ uint32_t tsfch;
+ /** Octets Sent Counter high part */
+ uint32_t osch;
+ /** Total Discarded Frames Counter high part */
+ uint32_t tdfch;
+ /** reserved */
+ uint32_t reserved2;
+ /** OBUF enable register */
+ uint32_t obuf_en;
+ /** reserved */
+ uint64_t reserved3;
+ /** OBUF control register */
+ uint32_t ctrl;
+ /** OBUF status register */
+ uint32_t obuf_st;
+} __rte_packed;
+
+/*
+ * @return
+ * true if OBUF is enabled
+ * false if OBUF is disabled
+ */
+static inline bool
+cgmii_obuf_is_enabled(volatile struct szedata2_cgmii_obuf *obuf)
+{
+ return ((rte_le_to_cpu_32(obuf->obuf_en) & 0x1) != 0) ? true : false;
+}
+
+/*
+ * Enables OBUF.
+ */
+static inline void
+cgmii_obuf_enable(volatile struct szedata2_cgmii_obuf *obuf)
+{
+ obuf->obuf_en =
+ rte_cpu_to_le_32(rte_le_to_cpu_32(obuf->obuf_en) | 0x1);
+}
+
+/*
+ * Disables OBUF.
+ */
+static inline void
+cgmii_obuf_disable(volatile struct szedata2_cgmii_obuf *obuf)
+{
+ obuf->obuf_en =
+ rte_cpu_to_le_32(rte_le_to_cpu_32(obuf->obuf_en) & ~0x1);
+}
+
+/*
+ * Function takes value from IBUF status register. Values in IBUF and OBUF
+ * should be same.
+ *
+ * @return Link speed constant.
+ */
+static inline enum szedata2_link_speed
+cgmii_link_speed(volatile struct szedata2_cgmii_ibuf *ibuf)
+{
+ uint32_t speed = (rte_le_to_cpu_32(ibuf->ibuf_st) & 0x70) >> 4;
+ switch (speed) {
+ case 0x03:
+ return SZEDATA2_LINK_SPEED_10G;
+ case 0x04:
+ return SZEDATA2_LINK_SPEED_40G;
+ case 0x05:
+ return SZEDATA2_LINK_SPEED_100G;
+ default:
+ return SZEDATA2_LINK_SPEED_DEFAULT;
+ }
+}
+
+/*
+ * IBUFs and OBUFs can generally be located at different offsets in different
+ * firmwares.
+ * This part defines base offsets of IBUFs and OBUFs through various firmwares.
+ * Currently one firmware type is supported.
+ * Type of firmware is set through configuration option
+ * CONFIG_RTE_LIBRTE_PMD_SZEDATA_AS.
+ * Possible values are:
+ * 0 - for firmwares:
+ * NIC_100G1_LR4
+ * HANIC_100G1_LR4
+ * HANIC_100G1_SR10
+ */
+#if !defined(RTE_LIBRTE_PMD_SZEDATA2_AS)
+#error "RTE_LIBRTE_PMD_SZEDATA2_AS has to be defined"
+#elif RTE_LIBRTE_PMD_SZEDATA2_AS == 0
+
+/*
+ * CGMII IBUF offset from the beginning of PCI resource address space.
+ */
+#define SZEDATA2_CGMII_IBUF_BASE_OFF 0x8000
+/*
+ * Size of CGMII IBUF.
+ */
+#define SZEDATA2_CGMII_IBUF_SIZE 0x200
+
+/*
+ * GCMII OBUF offset from the beginning of PCI resource address space.
+ */
+#define SZEDATA2_CGMII_OBUF_BASE_OFF 0x9000
+/*
+ * Size of CGMII OBUF.
+ */
+#define SZEDATA2_CGMII_OBUF_SIZE 0x100
+
+#else
+#error "RTE_LIBRTE_PMD_SZEDATA2_AS has wrong value, see comments in config file"
+#endif
#endif
git.droids-corp.org / dpdk.git / commitdiff