17b843eb25
Ethdev Rx offloads API has changed since:
commit ce17eddefc
("ethdev: introduce Rx queue offloads API")
This commit support the new Rx offloads API.
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>
1454 lines
37 KiB
C
1454 lines
37 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright 2015 6WIND S.A.
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* Copyright 2015 Mellanox.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of 6WIND S.A. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define _GNU_SOURCE
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#include <stddef.h>
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#include <assert.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <dirent.h>
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#include <net/if.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/utsname.h>
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#include <netinet/in.h>
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#include <linux/ethtool.h>
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#include <linux/sockios.h>
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#include <linux/version.h>
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#include <fcntl.h>
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#include <stdalign.h>
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#include <sys/un.h>
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#include <rte_atomic.h>
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#include <rte_ethdev.h>
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#include <rte_bus_pci.h>
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#include <rte_mbuf.h>
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#include <rte_common.h>
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#include <rte_interrupts.h>
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#include <rte_alarm.h>
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#include <rte_malloc.h>
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#include "mlx5.h"
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#include "mlx5_rxtx.h"
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#include "mlx5_utils.h"
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/* Add defines in case the running kernel is not the same as user headers. */
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#ifndef ETHTOOL_GLINKSETTINGS
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struct ethtool_link_settings {
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uint32_t cmd;
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uint32_t speed;
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uint8_t duplex;
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uint8_t port;
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uint8_t phy_address;
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uint8_t autoneg;
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uint8_t mdio_support;
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uint8_t eth_to_mdix;
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uint8_t eth_tp_mdix_ctrl;
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int8_t link_mode_masks_nwords;
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uint32_t reserved[8];
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uint32_t link_mode_masks[];
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};
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#define ETHTOOL_GLINKSETTINGS 0x0000004c
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#define ETHTOOL_LINK_MODE_1000baseT_Full_BIT 5
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#define ETHTOOL_LINK_MODE_Autoneg_BIT 6
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#define ETHTOOL_LINK_MODE_1000baseKX_Full_BIT 17
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#define ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT 18
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#define ETHTOOL_LINK_MODE_10000baseKR_Full_BIT 19
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#define ETHTOOL_LINK_MODE_10000baseR_FEC_BIT 20
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#define ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT 21
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#define ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT 22
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#define ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT 23
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#define ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT 24
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#define ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT 25
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#define ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT 26
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#define ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT 27
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#define ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT 28
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#define ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT 29
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#define ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT 30
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#endif
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#ifndef HAVE_ETHTOOL_LINK_MODE_25G
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#define ETHTOOL_LINK_MODE_25000baseCR_Full_BIT 31
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#define ETHTOOL_LINK_MODE_25000baseKR_Full_BIT 32
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#define ETHTOOL_LINK_MODE_25000baseSR_Full_BIT 33
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#endif
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#ifndef HAVE_ETHTOOL_LINK_MODE_50G
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#define ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT 34
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#define ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT 35
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#endif
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#ifndef HAVE_ETHTOOL_LINK_MODE_100G
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#define ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT 36
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#define ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT 37
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#define ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT 38
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#define ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT 39
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#endif
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/**
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* Get interface name from private structure.
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*
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* @param[in] priv
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* Pointer to private structure.
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* @param[out] ifname
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* Interface name output buffer.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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int
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priv_get_ifname(const struct priv *priv, char (*ifname)[IF_NAMESIZE])
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{
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DIR *dir;
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struct dirent *dent;
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unsigned int dev_type = 0;
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unsigned int dev_port_prev = ~0u;
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char match[IF_NAMESIZE] = "";
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{
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MKSTR(path, "%s/device/net", priv->ibdev_path);
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dir = opendir(path);
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if (dir == NULL)
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return -1;
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}
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while ((dent = readdir(dir)) != NULL) {
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char *name = dent->d_name;
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FILE *file;
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unsigned int dev_port;
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int r;
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if ((name[0] == '.') &&
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((name[1] == '\0') ||
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((name[1] == '.') && (name[2] == '\0'))))
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continue;
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MKSTR(path, "%s/device/net/%s/%s",
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priv->ibdev_path, name,
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(dev_type ? "dev_id" : "dev_port"));
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file = fopen(path, "rb");
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if (file == NULL) {
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if (errno != ENOENT)
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continue;
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/*
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* Switch to dev_id when dev_port does not exist as
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* is the case with Linux kernel versions < 3.15.
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*/
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try_dev_id:
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match[0] = '\0';
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if (dev_type)
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break;
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dev_type = 1;
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dev_port_prev = ~0u;
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rewinddir(dir);
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continue;
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}
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r = fscanf(file, (dev_type ? "%x" : "%u"), &dev_port);
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fclose(file);
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if (r != 1)
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continue;
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/*
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* Switch to dev_id when dev_port returns the same value for
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* all ports. May happen when using a MOFED release older than
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* 3.0 with a Linux kernel >= 3.15.
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*/
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if (dev_port == dev_port_prev)
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goto try_dev_id;
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dev_port_prev = dev_port;
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if (dev_port == (priv->port - 1u))
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snprintf(match, sizeof(match), "%s", name);
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}
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closedir(dir);
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if (match[0] == '\0')
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return -1;
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strncpy(*ifname, match, sizeof(*ifname));
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return 0;
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}
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/**
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* Check if the counter is located on ib counters file.
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*
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* @param[in] cntr
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* Counter name.
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*
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* @return
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* 1 if counter is located on ib counters file , 0 otherwise.
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*/
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int
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priv_is_ib_cntr(const char *cntr)
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{
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if (!strcmp(cntr, "out_of_buffer"))
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return 1;
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return 0;
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}
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/**
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* Read from sysfs entry.
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*
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* @param[in] priv
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* Pointer to private structure.
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* @param[in] entry
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* Entry name relative to sysfs path.
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* @param[out] buf
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* Data output buffer.
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* @param size
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* Buffer size.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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static int
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priv_sysfs_read(const struct priv *priv, const char *entry,
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char *buf, size_t size)
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{
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char ifname[IF_NAMESIZE];
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FILE *file;
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int ret;
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int err;
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if (priv_get_ifname(priv, &ifname))
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return -1;
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if (priv_is_ib_cntr(entry)) {
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MKSTR(path, "%s/ports/1/hw_counters/%s",
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priv->ibdev_path, entry);
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file = fopen(path, "rb");
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} else {
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MKSTR(path, "%s/device/net/%s/%s",
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priv->ibdev_path, ifname, entry);
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file = fopen(path, "rb");
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}
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if (file == NULL)
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return -1;
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ret = fread(buf, 1, size, file);
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err = errno;
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if (((size_t)ret < size) && (ferror(file)))
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ret = -1;
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else
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ret = size;
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fclose(file);
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errno = err;
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return ret;
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}
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/**
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* Write to sysfs entry.
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*
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* @param[in] priv
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* Pointer to private structure.
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* @param[in] entry
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* Entry name relative to sysfs path.
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* @param[in] buf
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* Data buffer.
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* @param size
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* Buffer size.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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static int
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priv_sysfs_write(const struct priv *priv, const char *entry,
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char *buf, size_t size)
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{
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char ifname[IF_NAMESIZE];
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FILE *file;
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int ret;
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int err;
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if (priv_get_ifname(priv, &ifname))
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return -1;
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MKSTR(path, "%s/device/net/%s/%s", priv->ibdev_path, ifname, entry);
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file = fopen(path, "wb");
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if (file == NULL)
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return -1;
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ret = fwrite(buf, 1, size, file);
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err = errno;
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if (((size_t)ret < size) || (ferror(file)))
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ret = -1;
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else
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ret = size;
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fclose(file);
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errno = err;
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return ret;
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}
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/**
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* Get unsigned long sysfs property.
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*
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* @param priv
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* Pointer to private structure.
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* @param[in] name
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* Entry name relative to sysfs path.
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* @param[out] value
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* Value output buffer.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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static int
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priv_get_sysfs_ulong(struct priv *priv, const char *name, unsigned long *value)
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{
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int ret;
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unsigned long value_ret;
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char value_str[32];
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ret = priv_sysfs_read(priv, name, value_str, (sizeof(value_str) - 1));
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if (ret == -1) {
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DEBUG("cannot read %s value from sysfs: %s",
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name, strerror(errno));
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return -1;
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}
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value_str[ret] = '\0';
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errno = 0;
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value_ret = strtoul(value_str, NULL, 0);
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if (errno) {
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DEBUG("invalid %s value `%s': %s", name, value_str,
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strerror(errno));
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return -1;
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}
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*value = value_ret;
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return 0;
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}
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/**
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* Set unsigned long sysfs property.
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*
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* @param priv
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* Pointer to private structure.
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* @param[in] name
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* Entry name relative to sysfs path.
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* @param value
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* Value to set.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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static int
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priv_set_sysfs_ulong(struct priv *priv, const char *name, unsigned long value)
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{
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int ret;
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MKSTR(value_str, "%lu", value);
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ret = priv_sysfs_write(priv, name, value_str, (sizeof(value_str) - 1));
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if (ret == -1) {
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DEBUG("cannot write %s `%s' (%lu) to sysfs: %s",
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name, value_str, value, strerror(errno));
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return -1;
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}
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return 0;
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}
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/**
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* Perform ifreq ioctl() on associated Ethernet device.
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*
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* @param[in] priv
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* Pointer to private structure.
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* @param req
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* Request number to pass to ioctl().
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* @param[out] ifr
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* Interface request structure output buffer.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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int
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priv_ifreq(const struct priv *priv, int req, struct ifreq *ifr)
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{
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int sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
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int ret = -1;
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if (sock == -1)
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return ret;
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if (priv_get_ifname(priv, &ifr->ifr_name) == 0)
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ret = ioctl(sock, req, ifr);
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close(sock);
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return ret;
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}
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/**
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* Return the number of active VFs for the current device.
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*
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* @param[in] priv
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* Pointer to private structure.
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* @param[out] num_vfs
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* Number of active VFs.
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*
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* @return
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* 0 on success, -1 on failure and errno is set.
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*/
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int
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priv_get_num_vfs(struct priv *priv, uint16_t *num_vfs)
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{
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/* The sysfs entry name depends on the operating system. */
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const char **name = (const char *[]){
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"device/sriov_numvfs",
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"device/mlx5_num_vfs",
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NULL,
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};
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int ret;
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do {
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unsigned long ulong_num_vfs;
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ret = priv_get_sysfs_ulong(priv, *name, &ulong_num_vfs);
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if (!ret)
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*num_vfs = ulong_num_vfs;
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} while (*(++name) && ret);
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return ret;
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}
|
|
|
|
/**
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* Get device MTU.
|
|
*
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* @param priv
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* Pointer to private structure.
|
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* @param[out] mtu
|
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* MTU value output buffer.
|
|
*
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* @return
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* 0 on success, -1 on failure and errno is set.
|
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*/
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int
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priv_get_mtu(struct priv *priv, uint16_t *mtu)
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{
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unsigned long ulong_mtu;
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|
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if (priv_get_sysfs_ulong(priv, "mtu", &ulong_mtu) == -1)
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return -1;
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*mtu = ulong_mtu;
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return 0;
|
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}
|
|
|
|
/**
|
|
* Read device counter from sysfs.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param name
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|
* Counter name.
|
|
* @param[out] cntr
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|
* Counter output buffer.
|
|
*
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* @return
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* 0 on success, -1 on failure and errno is set.
|
|
*/
|
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int
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priv_get_cntr_sysfs(struct priv *priv, const char *name, uint64_t *cntr)
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{
|
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unsigned long ulong_ctr;
|
|
|
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if (priv_get_sysfs_ulong(priv, name, &ulong_ctr) == -1)
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return -1;
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*cntr = ulong_ctr;
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return 0;
|
|
}
|
|
|
|
/**
|
|
* Set device MTU.
|
|
*
|
|
* @param priv
|
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* Pointer to private structure.
|
|
* @param mtu
|
|
* MTU value to set.
|
|
*
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* @return
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* 0 on success, -1 on failure and errno is set.
|
|
*/
|
|
static int
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priv_set_mtu(struct priv *priv, uint16_t mtu)
|
|
{
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uint16_t new_mtu;
|
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if (priv_set_sysfs_ulong(priv, "mtu", mtu) ||
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priv_get_mtu(priv, &new_mtu))
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return -1;
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if (new_mtu == mtu)
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return 0;
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errno = EINVAL;
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return -1;
|
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}
|
|
|
|
/**
|
|
* Set device flags.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param keep
|
|
* Bitmask for flags that must remain untouched.
|
|
* @param flags
|
|
* Bitmask for flags to modify.
|
|
*
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* @return
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|
* 0 on success, -1 on failure and errno is set.
|
|
*/
|
|
int
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priv_set_flags(struct priv *priv, unsigned int keep, unsigned int flags)
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|
{
|
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unsigned long tmp;
|
|
|
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if (priv_get_sysfs_ulong(priv, "flags", &tmp) == -1)
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return -1;
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tmp &= keep;
|
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tmp |= (flags & (~keep));
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return priv_set_sysfs_ulong(priv, "flags", tmp);
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}
|
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|
|
/**
|
|
* Ethernet device configuration.
|
|
*
|
|
* Prepare the driver for a given number of TX and RX queues.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
static int
|
|
dev_configure(struct rte_eth_dev *dev)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
unsigned int rxqs_n = dev->data->nb_rx_queues;
|
|
unsigned int txqs_n = dev->data->nb_tx_queues;
|
|
unsigned int i;
|
|
unsigned int j;
|
|
unsigned int reta_idx_n;
|
|
const uint8_t use_app_rss_key =
|
|
!!dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key;
|
|
uint64_t supp_tx_offloads = mlx5_priv_get_tx_port_offloads(priv);
|
|
uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads;
|
|
uint64_t supp_rx_offloads =
|
|
(mlx5_priv_get_rx_port_offloads(priv) |
|
|
mlx5_priv_get_rx_queue_offloads(priv));
|
|
uint64_t rx_offloads = dev->data->dev_conf.rxmode.offloads;
|
|
|
|
if ((tx_offloads & supp_tx_offloads) != tx_offloads) {
|
|
ERROR("Some Tx offloads are not supported "
|
|
"requested 0x%" PRIx64 " supported 0x%" PRIx64,
|
|
tx_offloads, supp_tx_offloads);
|
|
return ENOTSUP;
|
|
}
|
|
if ((rx_offloads & supp_rx_offloads) != rx_offloads) {
|
|
ERROR("Some Rx offloads are not supported "
|
|
"requested 0x%" PRIx64 " supported 0x%" PRIx64,
|
|
rx_offloads, supp_rx_offloads);
|
|
return ENOTSUP;
|
|
}
|
|
if (use_app_rss_key &&
|
|
(dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len !=
|
|
rss_hash_default_key_len)) {
|
|
/* MLX5 RSS only support 40bytes key. */
|
|
return EINVAL;
|
|
}
|
|
priv->rss_conf.rss_key =
|
|
rte_realloc(priv->rss_conf.rss_key,
|
|
rss_hash_default_key_len, 0);
|
|
if (!priv->rss_conf.rss_key) {
|
|
ERROR("cannot allocate RSS hash key memory (%u)", rxqs_n);
|
|
return ENOMEM;
|
|
}
|
|
memcpy(priv->rss_conf.rss_key,
|
|
use_app_rss_key ?
|
|
dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key :
|
|
rss_hash_default_key,
|
|
rss_hash_default_key_len);
|
|
priv->rss_conf.rss_key_len = rss_hash_default_key_len;
|
|
priv->rss_conf.rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
|
|
priv->rxqs = (void *)dev->data->rx_queues;
|
|
priv->txqs = (void *)dev->data->tx_queues;
|
|
if (txqs_n != priv->txqs_n) {
|
|
INFO("%p: TX queues number update: %u -> %u",
|
|
(void *)dev, priv->txqs_n, txqs_n);
|
|
priv->txqs_n = txqs_n;
|
|
}
|
|
if (rxqs_n > priv->config.ind_table_max_size) {
|
|
ERROR("cannot handle this many RX queues (%u)", rxqs_n);
|
|
return EINVAL;
|
|
}
|
|
if (rxqs_n == priv->rxqs_n)
|
|
return 0;
|
|
INFO("%p: RX queues number update: %u -> %u",
|
|
(void *)dev, priv->rxqs_n, rxqs_n);
|
|
priv->rxqs_n = rxqs_n;
|
|
/* If the requested number of RX queues is not a power of two, use the
|
|
* maximum indirection table size for better balancing.
|
|
* The result is always rounded to the next power of two. */
|
|
reta_idx_n = (1 << log2above((rxqs_n & (rxqs_n - 1)) ?
|
|
priv->config.ind_table_max_size :
|
|
rxqs_n));
|
|
if (priv_rss_reta_index_resize(priv, reta_idx_n))
|
|
return ENOMEM;
|
|
/* When the number of RX queues is not a power of two, the remaining
|
|
* table entries are padded with reused WQs and hashes are not spread
|
|
* uniformly. */
|
|
for (i = 0, j = 0; (i != reta_idx_n); ++i) {
|
|
(*priv->reta_idx)[i] = j;
|
|
if (++j == rxqs_n)
|
|
j = 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback for Ethernet device configuration.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_configure(struct rte_eth_dev *dev)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
int ret;
|
|
|
|
priv_lock(priv);
|
|
ret = dev_configure(dev);
|
|
assert(ret >= 0);
|
|
priv_unlock(priv);
|
|
return -ret;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to get information about the device.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param[out] info
|
|
* Info structure output buffer.
|
|
*/
|
|
void
|
|
mlx5_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *info)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct mlx5_dev_config *config = &priv->config;
|
|
unsigned int max;
|
|
char ifname[IF_NAMESIZE];
|
|
|
|
info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
|
|
|
|
priv_lock(priv);
|
|
/* FIXME: we should ask the device for these values. */
|
|
info->min_rx_bufsize = 32;
|
|
info->max_rx_pktlen = 65536;
|
|
/*
|
|
* Since we need one CQ per QP, the limit is the minimum number
|
|
* between the two values.
|
|
*/
|
|
max = RTE_MIN(priv->device_attr.orig_attr.max_cq,
|
|
priv->device_attr.orig_attr.max_qp);
|
|
/* If max >= 65535 then max = 0, max_rx_queues is uint16_t. */
|
|
if (max >= 65535)
|
|
max = 65535;
|
|
info->max_rx_queues = max;
|
|
info->max_tx_queues = max;
|
|
info->max_mac_addrs = RTE_DIM(priv->mac);
|
|
info->rx_queue_offload_capa =
|
|
mlx5_priv_get_rx_queue_offloads(priv);
|
|
info->rx_offload_capa = (mlx5_priv_get_rx_port_offloads(priv) |
|
|
info->rx_queue_offload_capa);
|
|
info->tx_offload_capa = mlx5_priv_get_tx_port_offloads(priv);
|
|
if (priv_get_ifname(priv, &ifname) == 0)
|
|
info->if_index = if_nametoindex(ifname);
|
|
info->reta_size = priv->reta_idx_n ?
|
|
priv->reta_idx_n : config->ind_table_max_size;
|
|
info->hash_key_size = priv->rss_conf.rss_key_len;
|
|
info->speed_capa = priv->link_speed_capa;
|
|
priv_unlock(priv);
|
|
}
|
|
|
|
const uint32_t *
|
|
mlx5_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_NONFRAG,
|
|
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_INNER_L4_NONFRAG,
|
|
RTE_PTYPE_INNER_L4_FRAG,
|
|
RTE_PTYPE_INNER_L4_TCP,
|
|
RTE_PTYPE_INNER_L4_UDP,
|
|
RTE_PTYPE_UNKNOWN
|
|
};
|
|
|
|
if (dev->rx_pkt_burst == mlx5_rx_burst ||
|
|
dev->rx_pkt_burst == mlx5_rx_burst_vec)
|
|
return ptypes;
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to retrieve physical link information.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param wait_to_complete
|
|
* Wait for request completion (ignored).
|
|
*/
|
|
static int
|
|
mlx5_link_update_unlocked_gset(struct rte_eth_dev *dev, int wait_to_complete)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct ethtool_cmd edata = {
|
|
.cmd = ETHTOOL_GSET /* Deprecated since Linux v4.5. */
|
|
};
|
|
struct ifreq ifr;
|
|
struct rte_eth_link dev_link;
|
|
int link_speed = 0;
|
|
|
|
/* priv_lock() is not taken to allow concurrent calls. */
|
|
|
|
(void)wait_to_complete;
|
|
if (priv_ifreq(priv, SIOCGIFFLAGS, &ifr)) {
|
|
WARN("ioctl(SIOCGIFFLAGS) failed: %s", strerror(errno));
|
|
return -1;
|
|
}
|
|
memset(&dev_link, 0, sizeof(dev_link));
|
|
dev_link.link_status = ((ifr.ifr_flags & IFF_UP) &&
|
|
(ifr.ifr_flags & IFF_RUNNING));
|
|
ifr.ifr_data = (void *)&edata;
|
|
if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
|
|
WARN("ioctl(SIOCETHTOOL, ETHTOOL_GSET) failed: %s",
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
link_speed = ethtool_cmd_speed(&edata);
|
|
if (link_speed == -1)
|
|
dev_link.link_speed = 0;
|
|
else
|
|
dev_link.link_speed = link_speed;
|
|
priv->link_speed_capa = 0;
|
|
if (edata.supported & SUPPORTED_Autoneg)
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG;
|
|
if (edata.supported & (SUPPORTED_1000baseT_Full |
|
|
SUPPORTED_1000baseKX_Full))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_1G;
|
|
if (edata.supported & SUPPORTED_10000baseKR_Full)
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_10G;
|
|
if (edata.supported & (SUPPORTED_40000baseKR4_Full |
|
|
SUPPORTED_40000baseCR4_Full |
|
|
SUPPORTED_40000baseSR4_Full |
|
|
SUPPORTED_40000baseLR4_Full))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_40G;
|
|
dev_link.link_duplex = ((edata.duplex == DUPLEX_HALF) ?
|
|
ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX);
|
|
dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
|
|
ETH_LINK_SPEED_FIXED);
|
|
if (memcmp(&dev_link, &dev->data->dev_link, sizeof(dev_link))) {
|
|
/* Link status changed. */
|
|
dev->data->dev_link = dev_link;
|
|
return 0;
|
|
}
|
|
/* Link status is still the same. */
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* Retrieve physical link information (unlocked version using new ioctl).
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param wait_to_complete
|
|
* Wait for request completion (ignored).
|
|
*/
|
|
static int
|
|
mlx5_link_update_unlocked_gs(struct rte_eth_dev *dev, int wait_to_complete)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct ethtool_link_settings gcmd = { .cmd = ETHTOOL_GLINKSETTINGS };
|
|
struct ifreq ifr;
|
|
struct rte_eth_link dev_link;
|
|
uint64_t sc;
|
|
|
|
(void)wait_to_complete;
|
|
if (priv_ifreq(priv, SIOCGIFFLAGS, &ifr)) {
|
|
WARN("ioctl(SIOCGIFFLAGS) failed: %s", strerror(errno));
|
|
return -1;
|
|
}
|
|
memset(&dev_link, 0, sizeof(dev_link));
|
|
dev_link.link_status = ((ifr.ifr_flags & IFF_UP) &&
|
|
(ifr.ifr_flags & IFF_RUNNING));
|
|
ifr.ifr_data = (void *)&gcmd;
|
|
if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
|
|
DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s",
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
gcmd.link_mode_masks_nwords = -gcmd.link_mode_masks_nwords;
|
|
|
|
alignas(struct ethtool_link_settings)
|
|
uint8_t data[offsetof(struct ethtool_link_settings, link_mode_masks) +
|
|
sizeof(uint32_t) * gcmd.link_mode_masks_nwords * 3];
|
|
struct ethtool_link_settings *ecmd = (void *)data;
|
|
|
|
*ecmd = gcmd;
|
|
ifr.ifr_data = (void *)ecmd;
|
|
if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
|
|
DEBUG("ioctl(SIOCETHTOOL, ETHTOOL_GLINKSETTINGS) failed: %s",
|
|
strerror(errno));
|
|
return -1;
|
|
}
|
|
dev_link.link_speed = ecmd->speed;
|
|
sc = ecmd->link_mode_masks[0] |
|
|
((uint64_t)ecmd->link_mode_masks[1] << 32);
|
|
priv->link_speed_capa = 0;
|
|
if (sc & MLX5_BITSHIFT(ETHTOOL_LINK_MODE_Autoneg_BIT))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_AUTONEG;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseT_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_1000baseKX_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_1G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseKR_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_10000baseR_FEC_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_10G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_20000baseMLD2_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_20G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_40G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_56G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseCR_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseKR_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_25000baseSR_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_25G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_50G;
|
|
if (sc & (MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT) |
|
|
MLX5_BITSHIFT(ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT)))
|
|
priv->link_speed_capa |= ETH_LINK_SPEED_100G;
|
|
dev_link.link_duplex = ((ecmd->duplex == DUPLEX_HALF) ?
|
|
ETH_LINK_HALF_DUPLEX : ETH_LINK_FULL_DUPLEX);
|
|
dev_link.link_autoneg = !(dev->data->dev_conf.link_speeds &
|
|
ETH_LINK_SPEED_FIXED);
|
|
if (memcmp(&dev_link, &dev->data->dev_link, sizeof(dev_link))) {
|
|
/* Link status changed. */
|
|
dev->data->dev_link = dev_link;
|
|
return 0;
|
|
}
|
|
/* Link status is still the same. */
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to retrieve physical link information.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param wait_to_complete
|
|
* Wait for request completion (ignored).
|
|
*/
|
|
int
|
|
mlx5_link_update(struct rte_eth_dev *dev, int wait_to_complete)
|
|
{
|
|
struct utsname utsname;
|
|
int ver[3];
|
|
|
|
if (uname(&utsname) == -1 ||
|
|
sscanf(utsname.release, "%d.%d.%d",
|
|
&ver[0], &ver[1], &ver[2]) != 3 ||
|
|
KERNEL_VERSION(ver[0], ver[1], ver[2]) < KERNEL_VERSION(4, 9, 0))
|
|
return mlx5_link_update_unlocked_gset(dev, wait_to_complete);
|
|
return mlx5_link_update_unlocked_gs(dev, wait_to_complete);
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to change the MTU.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param in_mtu
|
|
* New MTU.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
uint16_t kern_mtu;
|
|
int ret = 0;
|
|
|
|
priv_lock(priv);
|
|
ret = priv_get_mtu(priv, &kern_mtu);
|
|
if (ret)
|
|
goto out;
|
|
/* Set kernel interface MTU first. */
|
|
ret = priv_set_mtu(priv, mtu);
|
|
if (ret)
|
|
goto out;
|
|
ret = priv_get_mtu(priv, &kern_mtu);
|
|
if (ret)
|
|
goto out;
|
|
if (kern_mtu == mtu) {
|
|
priv->mtu = mtu;
|
|
DEBUG("adapter port %u MTU set to %u", priv->port, mtu);
|
|
}
|
|
priv_unlock(priv);
|
|
return 0;
|
|
out:
|
|
ret = errno;
|
|
WARN("cannot set port %u MTU to %u: %s", priv->port, mtu,
|
|
strerror(ret));
|
|
priv_unlock(priv);
|
|
assert(ret >= 0);
|
|
return -ret;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to get flow control status.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param[out] fc_conf
|
|
* Flow control output buffer.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_get_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct ifreq ifr;
|
|
struct ethtool_pauseparam ethpause = {
|
|
.cmd = ETHTOOL_GPAUSEPARAM
|
|
};
|
|
int ret;
|
|
|
|
ifr.ifr_data = (void *)ðpause;
|
|
priv_lock(priv);
|
|
if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
|
|
ret = errno;
|
|
WARN("ioctl(SIOCETHTOOL, ETHTOOL_GPAUSEPARAM)"
|
|
" failed: %s",
|
|
strerror(ret));
|
|
goto out;
|
|
}
|
|
|
|
fc_conf->autoneg = ethpause.autoneg;
|
|
if (ethpause.rx_pause && ethpause.tx_pause)
|
|
fc_conf->mode = RTE_FC_FULL;
|
|
else if (ethpause.rx_pause)
|
|
fc_conf->mode = RTE_FC_RX_PAUSE;
|
|
else if (ethpause.tx_pause)
|
|
fc_conf->mode = RTE_FC_TX_PAUSE;
|
|
else
|
|
fc_conf->mode = RTE_FC_NONE;
|
|
ret = 0;
|
|
|
|
out:
|
|
priv_unlock(priv);
|
|
assert(ret >= 0);
|
|
return -ret;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to modify flow control parameters.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
* @param[in] fc_conf
|
|
* Flow control parameters.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_set_flow_ctrl(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct ifreq ifr;
|
|
struct ethtool_pauseparam ethpause = {
|
|
.cmd = ETHTOOL_SPAUSEPARAM
|
|
};
|
|
int ret;
|
|
|
|
ifr.ifr_data = (void *)ðpause;
|
|
ethpause.autoneg = fc_conf->autoneg;
|
|
if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
|
|
(fc_conf->mode & RTE_FC_RX_PAUSE))
|
|
ethpause.rx_pause = 1;
|
|
else
|
|
ethpause.rx_pause = 0;
|
|
|
|
if (((fc_conf->mode & RTE_FC_FULL) == RTE_FC_FULL) ||
|
|
(fc_conf->mode & RTE_FC_TX_PAUSE))
|
|
ethpause.tx_pause = 1;
|
|
else
|
|
ethpause.tx_pause = 0;
|
|
|
|
priv_lock(priv);
|
|
if (priv_ifreq(priv, SIOCETHTOOL, &ifr)) {
|
|
ret = errno;
|
|
WARN("ioctl(SIOCETHTOOL, ETHTOOL_SPAUSEPARAM)"
|
|
" failed: %s",
|
|
strerror(ret));
|
|
goto out;
|
|
}
|
|
ret = 0;
|
|
|
|
out:
|
|
priv_unlock(priv);
|
|
assert(ret >= 0);
|
|
return -ret;
|
|
}
|
|
|
|
/**
|
|
* Get PCI information from struct ibv_device.
|
|
*
|
|
* @param device
|
|
* Pointer to Ethernet device structure.
|
|
* @param[out] pci_addr
|
|
* PCI bus address output buffer.
|
|
*
|
|
* @return
|
|
* 0 on success, -1 on failure and errno is set.
|
|
*/
|
|
int
|
|
mlx5_ibv_device_to_pci_addr(const struct ibv_device *device,
|
|
struct rte_pci_addr *pci_addr)
|
|
{
|
|
FILE *file;
|
|
char line[32];
|
|
MKSTR(path, "%s/device/uevent", device->ibdev_path);
|
|
|
|
file = fopen(path, "rb");
|
|
if (file == NULL)
|
|
return -1;
|
|
while (fgets(line, sizeof(line), file) == line) {
|
|
size_t len = strlen(line);
|
|
int ret;
|
|
|
|
/* Truncate long lines. */
|
|
if (len == (sizeof(line) - 1))
|
|
while (line[(len - 1)] != '\n') {
|
|
ret = fgetc(file);
|
|
if (ret == EOF)
|
|
break;
|
|
line[(len - 1)] = ret;
|
|
}
|
|
/* Extract information. */
|
|
if (sscanf(line,
|
|
"PCI_SLOT_NAME="
|
|
"%" SCNx32 ":%" SCNx8 ":%" SCNx8 ".%" SCNx8 "\n",
|
|
&pci_addr->domain,
|
|
&pci_addr->bus,
|
|
&pci_addr->devid,
|
|
&pci_addr->function) == 4) {
|
|
ret = 0;
|
|
break;
|
|
}
|
|
}
|
|
fclose(file);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Update the link status.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
*
|
|
* @return
|
|
* Zero if the callback process can be called immediately.
|
|
*/
|
|
static int
|
|
priv_link_status_update(struct priv *priv)
|
|
{
|
|
struct rte_eth_link *link = &priv->dev->data->dev_link;
|
|
|
|
mlx5_link_update(priv->dev, 0);
|
|
if (((link->link_speed == 0) && link->link_status) ||
|
|
((link->link_speed != 0) && !link->link_status)) {
|
|
/*
|
|
* Inconsistent status. Event likely occurred before the
|
|
* kernel netdevice exposes the new status.
|
|
*/
|
|
if (!priv->pending_alarm) {
|
|
priv->pending_alarm = 1;
|
|
rte_eal_alarm_set(MLX5_ALARM_TIMEOUT_US,
|
|
mlx5_dev_link_status_handler,
|
|
priv->dev);
|
|
}
|
|
return 1;
|
|
} else if (unlikely(priv->pending_alarm)) {
|
|
/* Link interrupt occurred while alarm is already scheduled. */
|
|
priv->pending_alarm = 0;
|
|
rte_eal_alarm_cancel(mlx5_dev_link_status_handler, priv->dev);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Device status handler.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param events
|
|
* Pointer to event flags holder.
|
|
*
|
|
* @return
|
|
* Events bitmap of callback process which can be called immediately.
|
|
*/
|
|
static uint32_t
|
|
priv_dev_status_handler(struct priv *priv)
|
|
{
|
|
struct ibv_async_event event;
|
|
uint32_t ret = 0;
|
|
|
|
/* Read all message and acknowledge them. */
|
|
for (;;) {
|
|
if (ibv_get_async_event(priv->ctx, &event))
|
|
break;
|
|
if ((event.event_type == IBV_EVENT_PORT_ACTIVE ||
|
|
event.event_type == IBV_EVENT_PORT_ERR) &&
|
|
(priv->dev->data->dev_conf.intr_conf.lsc == 1))
|
|
ret |= (1 << RTE_ETH_EVENT_INTR_LSC);
|
|
else if (event.event_type == IBV_EVENT_DEVICE_FATAL &&
|
|
priv->dev->data->dev_conf.intr_conf.rmv == 1)
|
|
ret |= (1 << RTE_ETH_EVENT_INTR_RMV);
|
|
else
|
|
DEBUG("event type %d on port %d not handled",
|
|
event.event_type, event.element.port_num);
|
|
ibv_ack_async_event(&event);
|
|
}
|
|
if (ret & (1 << RTE_ETH_EVENT_INTR_LSC))
|
|
if (priv_link_status_update(priv))
|
|
ret &= ~(1 << RTE_ETH_EVENT_INTR_LSC);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* Handle delayed link status event.
|
|
*
|
|
* @param arg
|
|
* Registered argument.
|
|
*/
|
|
void
|
|
mlx5_dev_link_status_handler(void *arg)
|
|
{
|
|
struct rte_eth_dev *dev = arg;
|
|
struct priv *priv = dev->data->dev_private;
|
|
int ret;
|
|
|
|
priv_lock(priv);
|
|
assert(priv->pending_alarm == 1);
|
|
priv->pending_alarm = 0;
|
|
ret = priv_link_status_update(priv);
|
|
priv_unlock(priv);
|
|
if (!ret)
|
|
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* Handle interrupts from the NIC.
|
|
*
|
|
* @param[in] intr_handle
|
|
* Interrupt handler.
|
|
* @param cb_arg
|
|
* Callback argument.
|
|
*/
|
|
void
|
|
mlx5_dev_interrupt_handler(void *cb_arg)
|
|
{
|
|
struct rte_eth_dev *dev = cb_arg;
|
|
struct priv *priv = dev->data->dev_private;
|
|
uint32_t events;
|
|
|
|
priv_lock(priv);
|
|
events = priv_dev_status_handler(priv);
|
|
priv_unlock(priv);
|
|
if (events & (1 << RTE_ETH_EVENT_INTR_LSC))
|
|
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL,
|
|
NULL);
|
|
if (events & (1 << RTE_ETH_EVENT_INTR_RMV))
|
|
_rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RMV, NULL,
|
|
NULL);
|
|
}
|
|
|
|
/**
|
|
* Handle interrupts from the socket.
|
|
*
|
|
* @param cb_arg
|
|
* Callback argument.
|
|
*/
|
|
static void
|
|
mlx5_dev_handler_socket(void *cb_arg)
|
|
{
|
|
struct rte_eth_dev *dev = cb_arg;
|
|
struct priv *priv = dev->data->dev_private;
|
|
|
|
priv_lock(priv);
|
|
priv_socket_handle(priv);
|
|
priv_unlock(priv);
|
|
}
|
|
|
|
/**
|
|
* Uninstall interrupt handler.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param dev
|
|
* Pointer to the rte_eth_dev structure.
|
|
*/
|
|
void
|
|
priv_dev_interrupt_handler_uninstall(struct priv *priv, struct rte_eth_dev *dev)
|
|
{
|
|
if (dev->data->dev_conf.intr_conf.lsc ||
|
|
dev->data->dev_conf.intr_conf.rmv)
|
|
rte_intr_callback_unregister(&priv->intr_handle,
|
|
mlx5_dev_interrupt_handler, dev);
|
|
if (priv->primary_socket)
|
|
rte_intr_callback_unregister(&priv->intr_handle_socket,
|
|
mlx5_dev_handler_socket, dev);
|
|
if (priv->pending_alarm)
|
|
rte_eal_alarm_cancel(mlx5_dev_link_status_handler, dev);
|
|
priv->pending_alarm = 0;
|
|
priv->intr_handle.fd = 0;
|
|
priv->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
|
|
priv->intr_handle_socket.fd = 0;
|
|
priv->intr_handle_socket.type = RTE_INTR_HANDLE_UNKNOWN;
|
|
}
|
|
|
|
/**
|
|
* Install interrupt handler.
|
|
*
|
|
* @param priv
|
|
* Pointer to private structure.
|
|
* @param dev
|
|
* Pointer to the rte_eth_dev structure.
|
|
*/
|
|
void
|
|
priv_dev_interrupt_handler_install(struct priv *priv, struct rte_eth_dev *dev)
|
|
{
|
|
int rc, flags;
|
|
|
|
assert(priv->ctx->async_fd > 0);
|
|
flags = fcntl(priv->ctx->async_fd, F_GETFL);
|
|
rc = fcntl(priv->ctx->async_fd, F_SETFL, flags | O_NONBLOCK);
|
|
if (rc < 0) {
|
|
INFO("failed to change file descriptor async event queue");
|
|
dev->data->dev_conf.intr_conf.lsc = 0;
|
|
dev->data->dev_conf.intr_conf.rmv = 0;
|
|
}
|
|
if (dev->data->dev_conf.intr_conf.lsc ||
|
|
dev->data->dev_conf.intr_conf.rmv) {
|
|
priv->intr_handle.fd = priv->ctx->async_fd;
|
|
priv->intr_handle.type = RTE_INTR_HANDLE_EXT;
|
|
rte_intr_callback_register(&priv->intr_handle,
|
|
mlx5_dev_interrupt_handler, dev);
|
|
}
|
|
|
|
rc = priv_socket_init(priv);
|
|
if (!rc && priv->primary_socket) {
|
|
priv->intr_handle_socket.fd = priv->primary_socket;
|
|
priv->intr_handle_socket.type = RTE_INTR_HANDLE_EXT;
|
|
rte_intr_callback_register(&priv->intr_handle_socket,
|
|
mlx5_dev_handler_socket, dev);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Change the link state (UP / DOWN).
|
|
*
|
|
* @param priv
|
|
* Pointer to private data structure.
|
|
* @param dev
|
|
* Pointer to rte_eth_dev structure.
|
|
* @param up
|
|
* Nonzero for link up, otherwise link down.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
static int
|
|
priv_dev_set_link(struct priv *priv, struct rte_eth_dev *dev, int up)
|
|
{
|
|
int err;
|
|
|
|
if (up) {
|
|
err = priv_set_flags(priv, ~IFF_UP, IFF_UP);
|
|
if (err)
|
|
return err;
|
|
dev->tx_pkt_burst = priv_select_tx_function(priv, dev);
|
|
dev->rx_pkt_burst = priv_select_rx_function(priv, dev);
|
|
} else {
|
|
err = priv_set_flags(priv, ~IFF_UP, ~IFF_UP);
|
|
if (err)
|
|
return err;
|
|
dev->rx_pkt_burst = removed_rx_burst;
|
|
dev->tx_pkt_burst = removed_tx_burst;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to bring the link DOWN.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_set_link_down(struct rte_eth_dev *dev)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
int err;
|
|
|
|
priv_lock(priv);
|
|
err = priv_dev_set_link(priv, dev, 0);
|
|
priv_unlock(priv);
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to bring the link UP.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
*
|
|
* @return
|
|
* 0 on success, errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_set_link_up(struct rte_eth_dev *dev)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
int err;
|
|
|
|
priv_lock(priv);
|
|
err = priv_dev_set_link(priv, dev, 1);
|
|
priv_unlock(priv);
|
|
return err;
|
|
}
|
|
|
|
/**
|
|
* Configure the TX function to use.
|
|
*
|
|
* @param priv
|
|
* Pointer to private data structure.
|
|
* @param dev
|
|
* Pointer to rte_eth_dev structure.
|
|
*
|
|
* @return
|
|
* Pointer to selected Tx burst function.
|
|
*/
|
|
eth_tx_burst_t
|
|
priv_select_tx_function(struct priv *priv, struct rte_eth_dev *dev)
|
|
{
|
|
eth_tx_burst_t tx_pkt_burst = mlx5_tx_burst;
|
|
struct mlx5_dev_config *config = &priv->config;
|
|
uint64_t tx_offloads = dev->data->dev_conf.txmode.offloads;
|
|
int tso = !!(tx_offloads & (DEV_TX_OFFLOAD_TCP_TSO |
|
|
DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
|
|
DEV_TX_OFFLOAD_GRE_TNL_TSO));
|
|
int vlan_insert = !!(tx_offloads & DEV_TX_OFFLOAD_VLAN_INSERT);
|
|
|
|
assert(priv != NULL);
|
|
/* Select appropriate TX function. */
|
|
if (vlan_insert || tso)
|
|
return tx_pkt_burst;
|
|
if (config->mps == MLX5_MPW_ENHANCED) {
|
|
if (priv_check_vec_tx_support(priv, dev) > 0) {
|
|
if (priv_check_raw_vec_tx_support(priv, dev) > 0)
|
|
tx_pkt_burst = mlx5_tx_burst_raw_vec;
|
|
else
|
|
tx_pkt_burst = mlx5_tx_burst_vec;
|
|
DEBUG("selected Enhanced MPW TX vectorized function");
|
|
} else {
|
|
tx_pkt_burst = mlx5_tx_burst_empw;
|
|
DEBUG("selected Enhanced MPW TX function");
|
|
}
|
|
} else if (config->mps && (config->txq_inline > 0)) {
|
|
tx_pkt_burst = mlx5_tx_burst_mpw_inline;
|
|
DEBUG("selected MPW inline TX function");
|
|
} else if (config->mps) {
|
|
tx_pkt_burst = mlx5_tx_burst_mpw;
|
|
DEBUG("selected MPW TX function");
|
|
}
|
|
return tx_pkt_burst;
|
|
}
|
|
|
|
/**
|
|
* Configure the RX function to use.
|
|
*
|
|
* @param priv
|
|
* Pointer to private data structure.
|
|
* @param dev
|
|
* Pointer to rte_eth_dev structure.
|
|
*
|
|
* @return
|
|
* Pointer to selected Rx burst function.
|
|
*/
|
|
eth_rx_burst_t
|
|
priv_select_rx_function(struct priv *priv, __rte_unused struct rte_eth_dev *dev)
|
|
{
|
|
eth_rx_burst_t rx_pkt_burst = mlx5_rx_burst;
|
|
|
|
assert(priv != NULL);
|
|
if (priv_check_vec_rx_support(priv) > 0) {
|
|
rx_pkt_burst = mlx5_rx_burst_vec;
|
|
DEBUG("selected RX vectorized function");
|
|
}
|
|
return rx_pkt_burst;
|
|
}
|