/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
/**
#include <rte_ether.h>
#include <rte_flow.h>
#include <rte_pci.h>
+#include <rte_string_fns.h>
#include "mlx4.h"
#include "mlx4_flow.h"
goto try_dev_id;
dev_port_prev = dev_port;
if (dev_port == (priv->port - 1u))
- snprintf(match, sizeof(match), "%s", name);
+ strlcpy(match, name, sizeof(match));
}
closedir(dir);
if (match[0] == '\0') {
return 0;
}
-/**
- * Read from sysfs entry.
- *
- * @param[in] priv
- * Pointer to private structure.
- * @param[in] entry
- * Entry name relative to sysfs path.
- * @param[out] buf
- * Data output buffer.
- * @param size
- * Buffer size.
- *
- * @return
- * Number of bytes read on success, negative errno value otherwise and
- * rte_errno is set.
- */
-static int
-mlx4_sysfs_read(const struct priv *priv, const char *entry,
- char *buf, size_t size)
-{
- char ifname[IF_NAMESIZE];
- FILE *file;
- int ret;
-
- ret = mlx4_get_ifname(priv, &ifname);
- if (ret)
- return ret;
-
- MKSTR(path, "%s/device/net/%s/%s", priv->ctx->device->ibdev_path,
- ifname, entry);
-
- file = fopen(path, "rb");
- if (file == NULL) {
- rte_errno = errno;
- return -rte_errno;
- }
- ret = fread(buf, 1, size, file);
- if ((size_t)ret < size && ferror(file)) {
- rte_errno = EIO;
- ret = -rte_errno;
- } else {
- ret = size;
- }
- fclose(file);
- return ret;
-}
-
-/**
- * Write to sysfs entry.
- *
- * @param[in] priv
- * Pointer to private structure.
- * @param[in] entry
- * Entry name relative to sysfs path.
- * @param[in] buf
- * Data buffer.
- * @param size
- * Buffer size.
- *
- * @return
- * Number of bytes written on success, negative errno value otherwise and
- * rte_errno is set.
- */
-static int
-mlx4_sysfs_write(const struct priv *priv, const char *entry,
- char *buf, size_t size)
-{
- char ifname[IF_NAMESIZE];
- FILE *file;
- int ret;
-
- ret = mlx4_get_ifname(priv, &ifname);
- if (ret)
- return ret;
-
- MKSTR(path, "%s/device/net/%s/%s", priv->ctx->device->ibdev_path,
- ifname, entry);
-
- file = fopen(path, "wb");
- if (file == NULL) {
- rte_errno = errno;
- return -rte_errno;
- }
- ret = fwrite(buf, 1, size, file);
- if ((size_t)ret < size || ferror(file)) {
- rte_errno = EIO;
- ret = -rte_errno;
- } else {
- ret = size;
- }
- fclose(file);
- return ret;
-}
-
-/**
- * Get unsigned long sysfs property.
- *
- * @param priv
- * Pointer to private structure.
- * @param[in] name
- * Entry name relative to sysfs path.
- * @param[out] value
- * Value output buffer.
- *
- * @return
- * 0 on success, negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx4_get_sysfs_ulong(struct priv *priv, const char *name, unsigned long *value)
-{
- int ret;
- unsigned long value_ret;
- char value_str[32];
-
- ret = mlx4_sysfs_read(priv, name, value_str, (sizeof(value_str) - 1));
- if (ret < 0) {
- DEBUG("cannot read %s value from sysfs: %s",
- name, strerror(rte_errno));
- return ret;
- }
- value_str[ret] = '\0';
- errno = 0;
- value_ret = strtoul(value_str, NULL, 0);
- if (errno) {
- rte_errno = errno;
- DEBUG("invalid %s value `%s': %s", name, value_str,
- strerror(rte_errno));
- return -rte_errno;
- }
- *value = value_ret;
- return 0;
-}
-
-/**
- * Set unsigned long sysfs property.
- *
- * @param priv
- * Pointer to private structure.
- * @param[in] name
- * Entry name relative to sysfs path.
- * @param value
- * Value to set.
- *
- * @return
- * 0 on success, negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx4_set_sysfs_ulong(struct priv *priv, const char *name, unsigned long value)
-{
- int ret;
- MKSTR(value_str, "%lu", value);
-
- ret = mlx4_sysfs_write(priv, name, value_str, (sizeof(value_str) - 1));
- if (ret < 0) {
- DEBUG("cannot write %s `%s' (%lu) to sysfs: %s",
- name, value_str, value, strerror(rte_errno));
- return ret;
- }
- return 0;
-}
-
/**
* Perform ifreq ioctl() on associated Ethernet device.
*
int
mlx4_mtu_get(struct priv *priv, uint16_t *mtu)
{
- unsigned long ulong_mtu = 0;
- int ret = mlx4_get_sysfs_ulong(priv, "mtu", &ulong_mtu);
+ struct ifreq request;
+ int ret = mlx4_ifreq(priv, SIOCGIFMTU, &request);
if (ret)
return ret;
- *mtu = ulong_mtu;
+ *mtu = request.ifr_mtu;
return 0;
}
mlx4_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct priv *priv = dev->data->dev_private;
- uint16_t new_mtu;
- int ret = mlx4_set_sysfs_ulong(priv, "mtu", mtu);
+ struct ifreq request = { .ifr_mtu = mtu, };
+ int ret = mlx4_ifreq(priv, SIOCSIFMTU, &request);
if (ret)
return ret;
- ret = mlx4_mtu_get(priv, &new_mtu);
- if (ret)
- return ret;
- if (new_mtu == mtu) {
- priv->mtu = mtu;
- return 0;
- }
- rte_errno = EINVAL;
- return -rte_errno;
+ priv->mtu = mtu;
+ return 0;
}
/**
static int
mlx4_set_flags(struct priv *priv, unsigned int keep, unsigned int flags)
{
- unsigned long tmp = 0;
- int ret = mlx4_get_sysfs_ulong(priv, "flags", &tmp);
+ struct ifreq request;
+ int ret = mlx4_ifreq(priv, SIOCGIFFLAGS, &request);
if (ret)
return ret;
- tmp &= keep;
- tmp |= (flags & (~keep));
- return mlx4_set_sysfs_ulong(priv, "flags", tmp);
+ request.ifr_flags &= keep;
+ request.ifr_flags |= flags & ~keep;
+ return mlx4_ifreq(priv, SIOCSIFFLAGS, &request);
}
/**
* Pointer to Ethernet device structure.
* @param mac_addr
* MAC address to register.
+ *
+ * @return
+ * 0 on success, negative errno value otherwise and rte_errno is set.
*/
-void
+int
mlx4_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
{
- mlx4_mac_addr_add(dev, mac_addr, 0, 0);
+ return mlx4_mac_addr_add(dev, mac_addr, 0, 0);
}
/**
unsigned int max;
char ifname[IF_NAMESIZE];
- info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
/* FIXME: we should ask the device for these values. */
info->min_rx_bufsize = 32;
info->max_rx_pktlen = 65536;
ETH_LINK_SPEED_20G |
ETH_LINK_SPEED_40G |
ETH_LINK_SPEED_56G;
+ info->flow_type_rss_offloads = mlx4_conv_rss_types(priv, 0, 1);
}
/**
}
link_speed = ethtool_cmd_speed(&edata);
if (link_speed == -1)
- dev_link.link_speed = 0;
+ dev_link.link_speed = ETH_SPEED_NUM_NONE;
else
dev_link.link_speed = link_speed;
dev_link.link_duplex = ((edata.duplex == DUPLEX_HALF) ?