aee1b165db
rte_eth_dev created by primary process were not available in secondary process, it was not possible to use the primary process local memory object from a secondary process. This patch modify the reference of primary rte_eth_dev object, use local rte_eth_dev secondary process instead. Signed-off-by: Xueming Li <xuemingl@mellanox.com> Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
362 lines
8.8 KiB
C
362 lines
8.8 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright 2015 6WIND S.A.
|
|
* Copyright 2015 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.
|
|
*/
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
/* Verbs header. */
|
|
/* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
|
|
#ifdef PEDANTIC
|
|
#pragma GCC diagnostic ignored "-Wpedantic"
|
|
#endif
|
|
#include <infiniband/verbs.h>
|
|
#ifdef PEDANTIC
|
|
#pragma GCC diagnostic error "-Wpedantic"
|
|
#endif
|
|
|
|
#include <rte_malloc.h>
|
|
#include <rte_ethdev.h>
|
|
|
|
#include "mlx5.h"
|
|
#include "mlx5_rxtx.h"
|
|
|
|
/**
|
|
* Get a RSS configuration hash key.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param rss_hf
|
|
* RSS hash functions configuration must be retrieved for.
|
|
*
|
|
* @return
|
|
* Pointer to a RSS configuration structure or NULL if rss_hf cannot
|
|
* be matched.
|
|
*/
|
|
static struct rte_eth_rss_conf *
|
|
rss_hash_get(struct priv *priv, uint64_t rss_hf)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; (i != hash_rxq_init_n); ++i) {
|
|
uint64_t dpdk_rss_hf = hash_rxq_init[i].dpdk_rss_hf;
|
|
|
|
if (!(dpdk_rss_hf & rss_hf))
|
|
continue;
|
|
return (*priv->rss_conf)[i];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Register a RSS key.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param key
|
|
* Hash key to register.
|
|
* @param key_len
|
|
* Hash key length in bytes.
|
|
* @param rss_hf
|
|
* RSS hash functions the provided key applies to.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
int
|
|
rss_hash_rss_conf_new_key(struct priv *priv, const uint8_t *key,
|
|
unsigned int key_len, uint64_t rss_hf)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; (i != hash_rxq_init_n); ++i) {
|
|
struct rte_eth_rss_conf *rss_conf;
|
|
uint64_t dpdk_rss_hf = hash_rxq_init[i].dpdk_rss_hf;
|
|
|
|
if (!(dpdk_rss_hf & rss_hf))
|
|
continue;
|
|
rss_conf = rte_realloc((*priv->rss_conf)[i],
|
|
(sizeof(*rss_conf) + key_len),
|
|
0);
|
|
if (!rss_conf)
|
|
return ENOMEM;
|
|
rss_conf->rss_key = (void *)(rss_conf + 1);
|
|
rss_conf->rss_key_len = key_len;
|
|
rss_conf->rss_hf = dpdk_rss_hf;
|
|
memcpy(rss_conf->rss_key, key, key_len);
|
|
(*priv->rss_conf)[i] = rss_conf;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to update the RSS hash configuration.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param[in] rss_conf
|
|
* RSS configuration data.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_rss_hash_update(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_conf *rss_conf)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
int err = 0;
|
|
|
|
priv_lock(priv);
|
|
|
|
assert(priv->rss_conf != NULL);
|
|
|
|
/* Apply configuration. */
|
|
if (rss_conf->rss_key)
|
|
err = rss_hash_rss_conf_new_key(priv,
|
|
rss_conf->rss_key,
|
|
rss_conf->rss_key_len,
|
|
rss_conf->rss_hf);
|
|
/* Store protocols for which RSS is enabled. */
|
|
priv->rss_hf = rss_conf->rss_hf;
|
|
priv_unlock(priv);
|
|
assert(err >= 0);
|
|
return -err;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to get the RSS hash configuration.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param[in, out] rss_conf
|
|
* RSS configuration data.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_rss_hash_conf_get(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_conf *rss_conf)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct rte_eth_rss_conf *priv_rss_conf;
|
|
|
|
priv_lock(priv);
|
|
|
|
assert(priv->rss_conf != NULL);
|
|
|
|
priv_rss_conf = rss_hash_get(priv, rss_conf->rss_hf);
|
|
if (!priv_rss_conf) {
|
|
rss_conf->rss_hf = 0;
|
|
priv_unlock(priv);
|
|
return -EINVAL;
|
|
}
|
|
if (rss_conf->rss_key &&
|
|
rss_conf->rss_key_len >= priv_rss_conf->rss_key_len)
|
|
memcpy(rss_conf->rss_key,
|
|
priv_rss_conf->rss_key,
|
|
priv_rss_conf->rss_key_len);
|
|
rss_conf->rss_key_len = priv_rss_conf->rss_key_len;
|
|
rss_conf->rss_hf = priv_rss_conf->rss_hf;
|
|
|
|
priv_unlock(priv);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Allocate/reallocate RETA index table.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @praram reta_size
|
|
* The size of the array to allocate.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
int
|
|
priv_rss_reta_index_resize(struct priv *priv, unsigned int reta_size)
|
|
{
|
|
void *mem;
|
|
unsigned int old_size = priv->reta_idx_n;
|
|
|
|
if (priv->reta_idx_n == reta_size)
|
|
return 0;
|
|
|
|
mem = rte_realloc(priv->reta_idx,
|
|
reta_size * sizeof((*priv->reta_idx)[0]), 0);
|
|
if (!mem)
|
|
return ENOMEM;
|
|
priv->reta_idx = mem;
|
|
priv->reta_idx_n = reta_size;
|
|
|
|
if (old_size < reta_size)
|
|
memset(&(*priv->reta_idx)[old_size], 0,
|
|
(reta_size - old_size) *
|
|
sizeof((*priv->reta_idx)[0]));
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Query RETA table.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param[in, out] reta_conf
|
|
* Pointer to the first RETA configuration structure.
|
|
* @param reta_size
|
|
* Number of entries.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
static int
|
|
priv_dev_rss_reta_query(struct priv *priv,
|
|
struct rte_eth_rss_reta_entry64 *reta_conf,
|
|
unsigned int reta_size)
|
|
{
|
|
unsigned int idx;
|
|
unsigned int i;
|
|
|
|
if (!reta_size || reta_size > priv->reta_idx_n)
|
|
return EINVAL;
|
|
/* Fill each entry of the table even if its bit is not set. */
|
|
for (idx = 0, i = 0; (i != reta_size); ++i) {
|
|
idx = i / RTE_RETA_GROUP_SIZE;
|
|
reta_conf[idx].reta[i % RTE_RETA_GROUP_SIZE] =
|
|
(*priv->reta_idx)[i];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Update RETA table.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param[in] reta_conf
|
|
* Pointer to the first RETA configuration structure.
|
|
* @param reta_size
|
|
* Number of entries.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
static int
|
|
priv_dev_rss_reta_update(struct priv *priv,
|
|
struct rte_eth_rss_reta_entry64 *reta_conf,
|
|
unsigned int reta_size)
|
|
{
|
|
unsigned int idx;
|
|
unsigned int i;
|
|
unsigned int pos;
|
|
int ret;
|
|
|
|
if (!reta_size)
|
|
return EINVAL;
|
|
ret = priv_rss_reta_index_resize(priv, reta_size);
|
|
if (ret)
|
|
return ret;
|
|
|
|
for (idx = 0, i = 0; (i != reta_size); ++i) {
|
|
idx = i / RTE_RETA_GROUP_SIZE;
|
|
pos = i % RTE_RETA_GROUP_SIZE;
|
|
if (((reta_conf[idx].mask >> i) & 0x1) == 0)
|
|
continue;
|
|
assert(reta_conf[idx].reta[pos] < priv->rxqs_n);
|
|
(*priv->reta_idx)[i] = reta_conf[idx].reta[pos];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to get the RETA indirection table.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param reta_conf
|
|
* Pointer to RETA configuration structure array.
|
|
* @param reta_size
|
|
* Size of the RETA table.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_rss_reta_query(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_reta_entry64 *reta_conf,
|
|
uint16_t reta_size)
|
|
{
|
|
int ret;
|
|
struct priv *priv = dev->data->dev_private;
|
|
|
|
priv_lock(priv);
|
|
ret = priv_dev_rss_reta_query(priv, reta_conf, reta_size);
|
|
priv_unlock(priv);
|
|
return -ret;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to update the RETA indirection table.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param reta_conf
|
|
* Pointer to RETA configuration structure array.
|
|
* @param reta_size
|
|
* Size of the RETA table.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_rss_reta_update(struct rte_eth_dev *dev,
|
|
struct rte_eth_rss_reta_entry64 *reta_conf,
|
|
uint16_t reta_size)
|
|
{
|
|
int ret;
|
|
struct priv *priv = dev->data->dev_private;
|
|
|
|
assert(!mlx5_is_secondary());
|
|
mlx5_dev_stop(dev);
|
|
priv_lock(priv);
|
|
ret = priv_dev_rss_reta_update(priv, reta_conf, reta_size);
|
|
priv_unlock(priv);
|
|
if (ret)
|
|
return -ret;
|
|
return mlx5_dev_start(dev);
|
|
}
|