-/*-
- * BSD LICENSE
- *
- * Copyright 2017 6WIND S.A.
- * Copyright 2017 Mellanox
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of 6WIND S.A. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox Technologies, Ltd
*/
/**
#pragma GCC diagnostic error "-Wpedantic"
#endif
+#include <rte_bus_pci.h>
#include <rte_errno.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ether.h>
+#include <rte_flow.h>
#include <rte_pci.h>
+#include <rte_string_fns.h>
#include "mlx4.h"
+#include "mlx4_flow.h"
+#include "mlx4_glue.h"
#include "mlx4_rxtx.h"
#include "mlx4_utils.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);
}
/**
static int
mlx4_dev_set_link(struct priv *priv, int up)
{
- struct rte_eth_dev *dev = priv->dev;
int err;
if (up) {
err = mlx4_set_flags(priv, ~IFF_UP, IFF_UP);
if (err)
return err;
- dev->rx_pkt_burst = mlx4_rx_burst;
} else {
err = mlx4_set_flags(priv, ~IFF_UP, ~IFF_UP);
if (err)
return err;
- dev->rx_pkt_burst = mlx4_rx_burst_removed;
- dev->tx_pkt_burst = mlx4_tx_burst_removed;
}
return 0;
}
return mlx4_dev_set_link(priv, 1);
}
+/**
+ * Supported Rx mode toggles.
+ *
+ * Even and odd values respectively stand for off and on.
+ */
+enum rxmode_toggle {
+ RXMODE_TOGGLE_PROMISC_OFF,
+ RXMODE_TOGGLE_PROMISC_ON,
+ RXMODE_TOGGLE_ALLMULTI_OFF,
+ RXMODE_TOGGLE_ALLMULTI_ON,
+};
+
+/**
+ * Helper function to toggle promiscuous and all multicast modes.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param toggle
+ * Toggle to set.
+ */
+static void
+mlx4_rxmode_toggle(struct rte_eth_dev *dev, enum rxmode_toggle toggle)
+{
+ struct priv *priv = dev->data->dev_private;
+ const char *mode;
+ struct rte_flow_error error;
+
+ switch (toggle) {
+ case RXMODE_TOGGLE_PROMISC_OFF:
+ case RXMODE_TOGGLE_PROMISC_ON:
+ mode = "promiscuous";
+ dev->data->promiscuous = toggle & 1;
+ break;
+ case RXMODE_TOGGLE_ALLMULTI_OFF:
+ case RXMODE_TOGGLE_ALLMULTI_ON:
+ mode = "all multicast";
+ dev->data->all_multicast = toggle & 1;
+ break;
+ }
+ if (!mlx4_flow_sync(priv, &error))
+ return;
+ ERROR("cannot toggle %s mode (code %d, \"%s\"),"
+ " flow error type %d, cause %p, message: %s",
+ mode, rte_errno, strerror(rte_errno), error.type, error.cause,
+ error.message ? error.message : "(unspecified)");
+}
+
+/**
+ * DPDK callback to enable promiscuous mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_promiscuous_enable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_PROMISC_ON);
+}
+
+/**
+ * DPDK callback to disable promiscuous mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_promiscuous_disable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_PROMISC_OFF);
+}
+
+/**
+ * DPDK callback to enable all multicast mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_allmulticast_enable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_ALLMULTI_ON);
+}
+
+/**
+ * DPDK callback to disable all multicast mode.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+void
+mlx4_allmulticast_disable(struct rte_eth_dev *dev)
+{
+ mlx4_rxmode_toggle(dev, RXMODE_TOGGLE_ALLMULTI_OFF);
+}
+
+/**
+ * DPDK callback to remove a MAC address.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param index
+ * MAC address index.
+ */
+void
+mlx4_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
+{
+ struct priv *priv = dev->data->dev_private;
+ struct rte_flow_error error;
+
+ if (index >= RTE_DIM(priv->mac)) {
+ rte_errno = EINVAL;
+ return;
+ }
+ memset(&priv->mac[index], 0, sizeof(priv->mac[index]));
+ if (!mlx4_flow_sync(priv, &error))
+ return;
+ ERROR("failed to synchronize flow rules after removing MAC address"
+ " at index %d (code %d, \"%s\"),"
+ " flow error type %d, cause %p, message: %s",
+ index, rte_errno, strerror(rte_errno), error.type, error.cause,
+ error.message ? error.message : "(unspecified)");
+}
+
+/**
+ * DPDK callback to add a MAC address.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param mac_addr
+ * MAC address to register.
+ * @param index
+ * MAC address index.
+ * @param vmdq
+ * VMDq pool index to associate address with (ignored).
+ *
+ * @return
+ * 0 on success, negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx4_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+ uint32_t index, uint32_t vmdq)
+{
+ struct priv *priv = dev->data->dev_private;
+ struct rte_flow_error error;
+ int ret;
+
+ (void)vmdq;
+ if (index >= RTE_DIM(priv->mac)) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ memcpy(&priv->mac[index], mac_addr, sizeof(priv->mac[index]));
+ ret = mlx4_flow_sync(priv, &error);
+ if (!ret)
+ return 0;
+ ERROR("failed to synchronize flow rules after adding MAC address"
+ " at index %d (code %d, \"%s\"),"
+ " flow error type %d, cause %p, message: %s",
+ index, rte_errno, strerror(rte_errno), error.type, error.cause,
+ error.message ? error.message : "(unspecified)");
+ return ret;
+}
+
+/**
+ * DPDK callback to configure a VLAN filter.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param vlan_id
+ * VLAN ID to filter.
+ * @param on
+ * Toggle filter.
+ *
+ * @return
+ * 0 on success, negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx4_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
+{
+ struct priv *priv = dev->data->dev_private;
+ struct rte_flow_error error;
+ unsigned int vidx = vlan_id / 64;
+ unsigned int vbit = vlan_id % 64;
+ uint64_t *v;
+ int ret;
+
+ if (vidx >= RTE_DIM(dev->data->vlan_filter_conf.ids)) {
+ rte_errno = EINVAL;
+ return -rte_errno;
+ }
+ v = &dev->data->vlan_filter_conf.ids[vidx];
+ *v &= ~(UINT64_C(1) << vbit);
+ *v |= (uint64_t)!!on << vbit;
+ ret = mlx4_flow_sync(priv, &error);
+ if (!ret)
+ return 0;
+ ERROR("failed to synchronize flow rules after %s VLAN filter on ID %u"
+ " (code %d, \"%s\"), "
+ " flow error type %d, cause %p, message: %s",
+ on ? "enabling" : "disabling", vlan_id,
+ rte_errno, strerror(rte_errno), error.type, error.cause,
+ error.message ? error.message : "(unspecified)");
+ return ret;
+}
+
+/**
+ * DPDK callback to set the primary MAC address.
+ *
+ * @param dev
+ * 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.
+ */
+int
+mlx4_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
+{
+ return mlx4_mac_addr_add(dev, mac_addr, 0, 0);
+}
+
/**
* DPDK callback to get information about the device.
*
unsigned int max;
char ifname[IF_NAMESIZE];
- info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
- if (priv == NULL)
- return;
/* FIXME: we should ask the device for these values. */
info->min_rx_bufsize = 32;
info->max_rx_pktlen = 65536;
max = 65535;
info->max_rx_queues = max;
info->max_tx_queues = max;
- /* Last array entry is reserved for broadcast. */
- info->max_mac_addrs = 1;
- info->rx_offload_capa = 0;
- info->tx_offload_capa = 0;
+ info->max_mac_addrs = RTE_DIM(priv->mac);
+ info->tx_offload_capa = mlx4_get_tx_port_offloads(priv);
+ info->rx_queue_offload_capa = mlx4_get_rx_queue_offloads(priv);
+ info->rx_offload_capa = (mlx4_get_rx_port_offloads(priv) |
+ info->rx_queue_offload_capa);
if (mlx4_get_ifname(priv, &ifname) == 0)
info->if_index = if_nametoindex(ifname);
+ info->hash_key_size = MLX4_RSS_HASH_KEY_SIZE;
info->speed_capa =
ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_10G |
* @param[out] stats
* Stats structure output buffer.
*/
-void
+int
mlx4_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct rte_eth_stats tmp;
tmp.oerrors += txq->stats.odropped;
}
*stats = tmp;
+ return 0;
}
/**
assert(ret >= 0);
return -ret;
}
+
+/**
+ * DPDK callback to retrieve the received packet types that are recognized
+ * by the device.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * Pointer to an array of recognized packet types if in Rx burst mode,
+ * NULL otherwise.
+ */
+const uint32_t *
+mlx4_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+ static const uint32_t ptypes[] = {
+ /* refers to rxq_cq_to_pkt_type() */
+ RTE_PTYPE_L2_ETHER,
+ RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
+ RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
+ RTE_PTYPE_L4_FRAG,
+ RTE_PTYPE_L4_TCP,
+ RTE_PTYPE_L4_UDP,
+ RTE_PTYPE_UNKNOWN
+ };
+ static const uint32_t ptypes_l2tun[] = {
+ /* refers to rxq_cq_to_pkt_type() */
+ RTE_PTYPE_L2_ETHER,
+ RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
+ RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
+ RTE_PTYPE_L4_FRAG,
+ RTE_PTYPE_L4_TCP,
+ RTE_PTYPE_L4_UDP,
+ RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN,
+ RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN,
+ RTE_PTYPE_UNKNOWN
+ };
+ struct priv *priv = dev->data->dev_private;
+
+ if (dev->rx_pkt_burst == mlx4_rx_burst) {
+ if (priv->hw_csum_l2tun)
+ return ptypes_l2tun;
+ else
+ return ptypes;
+ }
+ return NULL;
+}
+
+/**
+ * Check if mlx4 device was removed.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 1 when device is removed, otherwise 0.
+ */
+int
+mlx4_is_removed(struct rte_eth_dev *dev)
+{
+ struct ibv_device_attr device_attr;
+ struct priv *priv = dev->data->dev_private;
+
+ if (mlx4_glue->query_device(priv->ctx, &device_attr) == EIO)
+ return 1;
+ return 0;
+}
git.droids-corp.org / dpdk.git / blobdiff