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Diffstat (limited to 'src/udev/net/ethtool-util.c')
-rw-r--r--src/udev/net/ethtool-util.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/src/udev/net/ethtool-util.c b/src/udev/net/ethtool-util.c
deleted file mode 100644
index 708a665576..0000000000
--- a/src/udev/net/ethtool-util.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-#include <sys/ioctl.h>
-#include <linux/ethtool.h>
-#include <linux/sockios.h>
-
-#include "conf-parser.h"
-#include "ethtool-util.h"
-#include "log.h"
-#include "socket-util.h"
-#include "string-table.h"
-#include "strxcpyx.h"
-#include "util.h"
-
-static const char* const duplex_table[_DUP_MAX] = {
- [DUP_FULL] = "full",
- [DUP_HALF] = "half"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(duplex, Duplex);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_duplex, duplex, Duplex, "Failed to parse duplex setting");
-
-static const char* const wol_table[_WOL_MAX] = {
- [WOL_PHY] = "phy",
- [WOL_MAGIC] = "magic",
- [WOL_OFF] = "off"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(wol, WakeOnLan);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_wol, wol, WakeOnLan, "Failed to parse WakeOnLan setting");
-
-static const char* const netdev_feature_table[_NET_DEV_FEAT_MAX] = {
- [NET_DEV_FEAT_GSO] = "tx-generic-segmentation",
- [NET_DEV_FEAT_GRO] = "rx-gro",
- [NET_DEV_FEAT_LRO] = "rx-lro",
- [NET_DEV_FEAT_TSO] = "tx-tcp-segmentation",
- [NET_DEV_FEAT_UFO] = "tx-udp-fragmentation",
-};
-
-int ethtool_connect(int *ret) {
- int fd;
-
- assert_return(ret, -EINVAL);
-
- fd = socket_ioctl_fd();
- if (fd < 0)
- return fd;
- *ret = fd;
-
- return 0;
-}
-
-int ethtool_get_driver(int *fd, const char *ifname, char **ret) {
- struct ethtool_drvinfo ecmd = {
- .cmd = ETHTOOL_GDRVINFO
- };
- struct ifreq ifr = {
- .ifr_data = (void*) &ecmd
- };
- char *d;
- int r;
-
- if (*fd < 0) {
- r = ethtool_connect(fd);
- if (r < 0)
- return log_warning_errno(r, "link_config: could not connect to ethtool: %m");
- }
-
- strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
-
- r = ioctl(*fd, SIOCETHTOOL, &ifr);
- if (r < 0)
- return -errno;
-
- d = strdup(ecmd.driver);
- if (!d)
- return -ENOMEM;
-
- *ret = d;
- return 0;
-}
-
-int ethtool_set_speed(int *fd, const char *ifname, unsigned int speed, Duplex duplex) {
- struct ethtool_cmd ecmd = {
- .cmd = ETHTOOL_GSET
- };
- struct ifreq ifr = {
- .ifr_data = (void*) &ecmd
- };
- bool need_update = false;
- int r;
-
- if (speed == 0 && duplex == _DUP_INVALID)
- return 0;
-
- if (*fd < 0) {
- r = ethtool_connect(fd);
- if (r < 0)
- return log_warning_errno(r, "link_config: could not connect to ethtool: %m");
- }
-
- strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
-
- r = ioctl(*fd, SIOCETHTOOL, &ifr);
- if (r < 0)
- return -errno;
-
- if (ethtool_cmd_speed(&ecmd) != speed) {
- ethtool_cmd_speed_set(&ecmd, speed);
- need_update = true;
- }
-
- switch (duplex) {
- case DUP_HALF:
- if (ecmd.duplex != DUPLEX_HALF) {
- ecmd.duplex = DUPLEX_HALF;
- need_update = true;
- }
- break;
- case DUP_FULL:
- if (ecmd.duplex != DUPLEX_FULL) {
- ecmd.duplex = DUPLEX_FULL;
- need_update = true;
- }
- break;
- default:
- break;
- }
-
- if (need_update) {
- ecmd.cmd = ETHTOOL_SSET;
-
- r = ioctl(*fd, SIOCETHTOOL, &ifr);
- if (r < 0)
- return -errno;
- }
-
- return 0;
-}
-
-int ethtool_set_wol(int *fd, const char *ifname, WakeOnLan wol) {
- struct ethtool_wolinfo ecmd = {
- .cmd = ETHTOOL_GWOL
- };
- struct ifreq ifr = {
- .ifr_data = (void*) &ecmd
- };
- bool need_update = false;
- int r;
-
- if (wol == _WOL_INVALID)
- return 0;
-
- if (*fd < 0) {
- r = ethtool_connect(fd);
- if (r < 0)
- return log_warning_errno(r, "link_config: could not connect to ethtool: %m");
- }
-
- strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
-
- r = ioctl(*fd, SIOCETHTOOL, &ifr);
- if (r < 0)
- return -errno;
-
- switch (wol) {
- case WOL_PHY:
- if (ecmd.wolopts != WAKE_PHY) {
- ecmd.wolopts = WAKE_PHY;
- need_update = true;
- }
- break;
- case WOL_MAGIC:
- if (ecmd.wolopts != WAKE_MAGIC) {
- ecmd.wolopts = WAKE_MAGIC;
- need_update = true;
- }
- break;
- case WOL_OFF:
- if (ecmd.wolopts != 0) {
- ecmd.wolopts = 0;
- need_update = true;
- }
- break;
- default:
- break;
- }
-
- if (need_update) {
- ecmd.cmd = ETHTOOL_SWOL;
-
- r = ioctl(*fd, SIOCETHTOOL, &ifr);
- if (r < 0)
- return -errno;
- }
-
- return 0;
-}
-
-static int ethtool_get_stringset(int *fd, struct ifreq *ifr, int stringset_id, struct ethtool_gstrings **gstrings) {
- _cleanup_free_ struct ethtool_gstrings *strings = NULL;
- struct {
- struct ethtool_sset_info info;
- uint32_t space;
- } buffer = {
- .info = {
- .cmd = ETHTOOL_GSSET_INFO,
- .sset_mask = UINT64_C(1) << stringset_id,
- },
- };
- unsigned len;
- int r;
-
- ifr->ifr_data = (void *) &buffer.info;
-
- r = ioctl(*fd, SIOCETHTOOL, ifr);
- if (r < 0)
- return -errno;
-
- if (!buffer.info.sset_mask)
- return -EINVAL;
-
- len = buffer.info.data[0];
-
- strings = malloc0(sizeof(struct ethtool_gstrings) + len * ETH_GSTRING_LEN);
- if (!strings)
- return -ENOMEM;
-
- strings->cmd = ETHTOOL_GSTRINGS;
- strings->string_set = stringset_id;
- strings->len = len;
-
- ifr->ifr_data = (void *) strings;
-
- r = ioctl(*fd, SIOCETHTOOL, ifr);
- if (r < 0)
- return -errno;
-
- *gstrings = strings;
- strings = NULL;
-
- return 0;
-}
-
-static int find_feature_index(struct ethtool_gstrings *strings, const char *feature) {
- unsigned i;
-
- for (i = 0; i < strings->len; i++) {
- if (streq((char *) &strings->data[i * ETH_GSTRING_LEN], feature))
- return i;
- }
-
- return -1;
-}
-
-int ethtool_set_features(int *fd, const char *ifname, NetDevFeature *features) {
- _cleanup_free_ struct ethtool_gstrings *strings = NULL;
- struct ethtool_sfeatures *sfeatures;
- int block, bit, i, r;
- struct ifreq ifr = {};
-
- if (*fd < 0) {
- r = ethtool_connect(fd);
- if (r < 0)
- return log_warning_errno(r, "link_config: could not connect to ethtool: %m");
- }
-
- strscpy(ifr.ifr_name, IFNAMSIZ, ifname);
-
- r = ethtool_get_stringset(fd, &ifr, ETH_SS_FEATURES, &strings);
- if (r < 0)
- return log_warning_errno(r, "link_config: could not get ethtool features for %s", ifname);
-
- sfeatures = alloca0(sizeof(struct ethtool_gstrings) + DIV_ROUND_UP(strings->len, 32U) * sizeof(sfeatures->features[0]));
- sfeatures->cmd = ETHTOOL_SFEATURES;
- sfeatures->size = DIV_ROUND_UP(strings->len, 32U);
-
- for (i = 0; i < _NET_DEV_FEAT_MAX; i++) {
-
- if (features[i] != -1) {
-
- r = find_feature_index(strings, netdev_feature_table[i]);
- if (r < 0) {
- log_warning_errno(r, "link_config: could not find feature: %s", netdev_feature_table[i]);
- continue;
- }
-
- block = r / 32;
- bit = r % 32;
-
- sfeatures->features[block].valid |= 1 << bit;
-
- if (features[i])
- sfeatures->features[block].requested |= 1 << bit;
- else
- sfeatures->features[block].requested &= ~(1 << bit);
- }
- }
-
- ifr.ifr_data = (void *) sfeatures;
-
- r = ioctl(*fd, SIOCETHTOOL, &ifr);
- if (r < 0)
- return log_warning_errno(r, "link_config: could not set ethtool features for %s", ifname);
-
- return 0;
-}
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