***/
#include <netinet/ether.h>
-#include <arpa/inet.h>
#include <linux/if_bonding.h>
#include "conf-parser.h"
#include "sd-rtnl.h"
+#include "rtnl-types.h"
#include "networkd-netdev-bond.h"
#include "missing.h"
+/*
+ * Number of seconds between instances where the bonding
+ * driver sends learning packets to each slaves peer switch
+ */
+#define LEARNING_PACKETS_INTERVAL_MIN_SEC (1 * USEC_PER_SEC)
+#define LEARNING_PACKETS_INTERVAL_MAX_SEC (0x7fffffff * USEC_PER_SEC)
+
+/* Number of IGMP membership reports to be issued after
+ * a failover event.
+ */
+#define RESEND_IGMP_MIN 0
+#define RESEND_IGMP_MAX 255
+#define RESEND_IGMP_DEFAULT 1
+
+/*
+ * Number of packets to transmit through a slave before
+ * moving to the next one.
+ */
+#define PACKETS_PER_SLAVE_MIN 0
+#define PACKETS_PER_SLAVE_MAX 65535
+#define PACKETS_PER_SLAVE_DEFAULT 1
+
+/*
+ * Number of peer notifications (gratuitous ARPs and
+ * unsolicited IPv6 Neighbor Advertisements) to be issued after a
+ * failover event.
+ */
+#define GRATUITOUS_ARP_MIN 0
+#define GRATUITOUS_ARP_MAX 255
+#define GRATUITOUS_ARP_DEFAULT 1
+
static const char* const bond_mode_table[_NETDEV_BOND_MODE_MAX] = {
[NETDEV_BOND_MODE_BALANCE_RR] = "balance-rr",
[NETDEV_BOND_MODE_ACTIVE_BACKUP] = "active-backup",
DEFINE_STRING_TABLE_LOOKUP(bond_mode, BondMode);
DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_mode, bond_mode, BondMode, "Failed to parse bond mode");
+static const char* const bond_xmit_hash_policy_table[_NETDEV_BOND_XMIT_HASH_POLICY_MAX] = {
+ [NETDEV_BOND_XMIT_HASH_POLICY_LAYER2] = "layer2",
+ [NETDEV_BOND_XMIT_HASH_POLICY_LAYER34] = "layer3+4",
+ [NETDEV_BOND_XMIT_HASH_POLICY_LAYER23] = "layer2+3",
+ [NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23] = "encap2+3",
+ [NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34] = "encap3+4",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_xmit_hash_policy, BondXmitHashPolicy);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_xmit_hash_policy,
+ bond_xmit_hash_policy,
+ BondXmitHashPolicy,
+ "Failed to parse bond transmit hash policy")
+
+static const char* const bond_lacp_rate_table[_NETDEV_BOND_LACP_RATE_MAX] = {
+ [NETDEV_BOND_LACP_RATE_SLOW] = "slow",
+ [NETDEV_BOND_LACP_RATE_FAST] = "fast",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_lacp_rate, BondLacpRate);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_lacp_rate, bond_lacp_rate, BondLacpRate, "Failed to parse bond lacp rate")
+
+static const char* const bond_ad_select_table[_NETDEV_BOND_AD_SELECT_MAX] = {
+ [NETDEV_BOND_AD_SELECT_STABLE] = "stable",
+ [NETDEV_BOND_AD_SELECT_BANDWIDTH] = "bandwidth",
+ [NETDEV_BOND_AD_SELECT_COUNT] = "count",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_ad_select, BondAdSelect);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_ad_select, bond_ad_select, BondAdSelect, "Failed to parse bond AD select");
+
+static const char* const bond_fail_over_mac_table[_NETDEV_BOND_FAIL_OVER_MAC_MAX] = {
+ [NETDEV_BOND_FAIL_OVER_MAC_NONE] = "none",
+ [NETDEV_BOND_FAIL_OVER_MAC_ACTIVE] = "active",
+ [NETDEV_BOND_FAIL_OVER_MAC_FOLLOW] = "follow",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_fail_over_mac, BondFailOverMac);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_fail_over_mac, bond_fail_over_mac, BondFailOverMac, "Failed to parse bond fail over MAC");
+
+static const char *const bond_arp_validate_table[_NETDEV_BOND_ARP_VALIDATE_MAX] = {
+ [NETDEV_BOND_ARP_VALIDATE_NONE] = "none",
+ [NETDEV_BOND_ARP_VALIDATE_ACTIVE]= "active",
+ [NETDEV_BOND_ARP_VALIDATE_BACKUP]= "backup",
+ [NETDEV_BOND_ARP_VALIDATE_ALL]= "all",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_arp_validate, BondArpValidate);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_arp_validate, bond_arp_validate, BondArpValidate, "Failed to parse bond arp validate");
+
+static const char *const bond_arp_all_targets_table[_NETDEV_BOND_ARP_ALL_TARGETS_MAX] = {
+ [NETDEV_BOND_ARP_ALL_TARGETS_ANY] = "any",
+ [NETDEV_BOND_ARP_ALL_TARGETS_ALL] = "all",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_arp_all_targets, BondArpAllTargets);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_arp_all_targets, bond_arp_all_targets, BondArpAllTargets, "Failed to parse bond Arp all targets");
+
+static const char *bond_primary_reselect_table[_NETDEV_BOND_PRIMARY_RESELECT_MAX] = {
+ [NETDEV_BOND_PRIMARY_RESELECT_ALWAYS] = "always",
+ [NETDEV_BOND_PRIMARY_RESELECT_BETTER]= "better",
+ [NETDEV_BOND_PRIMARY_RESELECT_FAILURE]= "failure",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(bond_primary_reselect, BondPrimaryReselect);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_primary_reselect, bond_primary_reselect, BondPrimaryReselect, "Failed to parse bond primary reselect");
+
static uint8_t bond_mode_to_kernel(BondMode mode) {
switch (mode) {
case NETDEV_BOND_MODE_BALANCE_RR:
}
}
+static uint8_t bond_xmit_hash_policy_to_kernel(BondXmitHashPolicy policy) {
+ switch (policy) {
+ case NETDEV_BOND_XMIT_HASH_POLICY_LAYER2:
+ return BOND_XMIT_POLICY_LAYER2;
+ case NETDEV_BOND_XMIT_HASH_POLICY_LAYER34:
+ return BOND_XMIT_POLICY_LAYER34;
+ case NETDEV_BOND_XMIT_HASH_POLICY_LAYER23:
+ return BOND_XMIT_POLICY_LAYER23;
+ case NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23:
+ return BOND_XMIT_POLICY_ENCAP23;
+ case NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34:
+ return BOND_XMIT_POLICY_ENCAP34;
+ default:
+ return (uint8_t) -1;
+ }
+}
+
static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
Bond *b = BOND(netdev);
- int r;
+ ArpIpTarget *target = NULL;
+ int r, i = 0;
assert(netdev);
assert(!link);
if (b->mode != _NETDEV_BOND_MODE_INVALID) {
r = sd_rtnl_message_append_u8(m, IFLA_BOND_MODE,
bond_mode_to_kernel(b->mode));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_MODE attribute: %m");
+ }
+
+ if (b->xmit_hash_policy != _NETDEV_BOND_XMIT_HASH_POLICY_INVALID) {
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_XMIT_HASH_POLICY,
+ bond_xmit_hash_policy_to_kernel(b->xmit_hash_policy));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_XMIT_HASH_POLICY attribute: %m");
+ }
+
+ if (b->lacp_rate != _NETDEV_BOND_LACP_RATE_INVALID &&
+ b->mode == NETDEV_BOND_MODE_802_3AD) {
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_AD_LACP_RATE, b->lacp_rate );
if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_BOND_MODE attribute: %s",
- strerror(-r));
- return r;
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_AD_LACP_RATE attribute: %m");
+ }
+ }
+
+ if (b->miimon != 0) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIIMON, b->miimon / USEC_PER_MSEC);
+ if (r < 0)
+ log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_BOND_MIIMON attribute: %m");
+ }
+
+ if (b->downdelay != 0) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_DOWNDELAY, b->downdelay / USEC_PER_MSEC);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_DOWNDELAY attribute: %m");
+ }
+
+ if (b->updelay != 0) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_UPDELAY, b->updelay / USEC_PER_MSEC);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_UPDELAY attribute: %m");
+ }
+
+ if (b->arp_interval != 0) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_INTERVAL, b->arp_interval / USEC_PER_MSEC);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_INTERVAL attribute: %m");
+
+ if ((b->lp_interval >= LEARNING_PACKETS_INTERVAL_MIN_SEC) &&
+ (b->lp_interval <= LEARNING_PACKETS_INTERVAL_MAX_SEC)) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_LP_INTERVAL, b->lp_interval / USEC_PER_SEC);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_LP_INTERVAL attribute: %m");
+ }
+ }
+
+ if (b->ad_select != _NETDEV_BOND_AD_SELECT_INVALID &&
+ b->mode == BOND_MODE_8023AD) {
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_AD_SELECT, b->ad_select);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_AD_SELECT attribute: %m");
+ }
+
+ if (b->fail_over_mac != _NETDEV_BOND_FAIL_OVER_MAC_INVALID &&
+ b->mode == NETDEV_BOND_MODE_ACTIVE_BACKUP) {
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_FAIL_OVER_MAC, b->fail_over_mac);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_FAIL_OVER_MAC attribute: %m");
+ }
+
+ if (b->arp_validate != _NETDEV_BOND_ARP_VALIDATE_INVALID) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_VALIDATE, b->arp_validate);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_VALIDATE attribute: %m");
+ }
+
+ if (b->arp_all_targets != _NETDEV_BOND_ARP_ALL_TARGETS_INVALID) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_ALL_TARGETS, b->arp_all_targets);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_VALIDATE attribute: %m");
+ }
+
+ if (b->primary_reselect != _NETDEV_BOND_PRIMARY_RESELECT_INVALID) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_ARP_ALL_TARGETS, b->primary_reselect);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_ALL_TARGETS attribute: %m");
+ }
+
+ if (b->resend_igmp <= RESEND_IGMP_MAX) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_RESEND_IGMP, b->resend_igmp);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_RESEND_IGMP attribute: %m");
+ }
+
+ if (b->packets_per_slave <= PACKETS_PER_SLAVE_MAX) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_PACKETS_PER_SLAVE, b->packets_per_slave);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_PACKETS_PER_SLAVE attribute: %m");
+ }
+
+ if (b->num_grat_arp <= GRATUITOUS_ARP_MAX) {
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_NUM_PEER_NOTIF, b->num_grat_arp);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_NUM_PEER_NOTIF attribute: %m");
+ }
+
+ if (b->min_links != 0) {
+ r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIN_LINKS, b->min_links);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_MIN_LINKS attribute: %m");
+ }
+
+ r = sd_rtnl_message_append_u8(m, IFLA_BOND_ALL_SLAVES_ACTIVE, b->all_slaves_active);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ALL_SLAVES_ACTIVE attribute: %m");
+
+ if (b->arp_interval > 0) {
+ if (b->n_arp_ip_targets > 0) {
+
+ r = sd_rtnl_message_open_container(m, IFLA_BOND_ARP_IP_TARGET);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not open contaniner IFLA_BOND_ARP_IP_TARGET : %m");
+
+ LIST_FOREACH(arp_ip_target, target, b->arp_ip_targets) {
+ r = sd_rtnl_message_append_u32(m, i++, target->ip.in.s_addr);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_ARP_ALL_TARGETS attribute: %m");
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not close contaniner IFLA_BOND_ARP_IP_TARGET : %m");
}
}
return 0;
}
+int config_parse_arp_ip_target_address(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Bond *b = userdata;
+ const char *word, *state;
+ size_t l;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
+ _cleanup_free_ ArpIpTarget *buffer = NULL;
+ _cleanup_free_ char *n = NULL;
+ int f;
+
+ n = strndup(word, l);
+ if (!n)
+ return -ENOMEM;
+
+ buffer = new0(ArpIpTarget, 1);
+ if (!buffer)
+ return -ENOMEM;
+
+ r = in_addr_from_string_auto(n, &f, &buffer->ip);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Bond ARP ip target address is invalid, ignoring assignment: %s", n);
+ return 0;
+ }
+
+ if (f != AF_INET) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Bond ARP ip target address is invalid, ignoring assignment: %s", n);
+ return 0;
+ }
+
+ LIST_PREPEND(arp_ip_target, b->arp_ip_targets, buffer);
+ b->n_arp_ip_targets ++;
+
+ buffer = NULL;
+
+ if (b->n_arp_ip_targets > BOND_ARP_TARGETS_MAX)
+ break;
+ }
+
+ return 0;
+}
+
+static void bond_done(NetDev *netdev) {
+ ArpIpTarget *t = NULL, *n = NULL;
+ Bond *b = BOND(netdev);
+
+ assert(netdev);
+ assert(b);
+
+ LIST_FOREACH_SAFE(arp_ip_target, t, n, b->arp_ip_targets)
+ free(t);
+
+ b->arp_ip_targets = NULL;
+}
+
static void bond_init(NetDev *netdev) {
Bond *b = BOND(netdev);
assert(b);
b->mode = _NETDEV_BOND_MODE_INVALID;
+ b->xmit_hash_policy = _NETDEV_BOND_XMIT_HASH_POLICY_INVALID;
+ b->lacp_rate = _NETDEV_BOND_LACP_RATE_INVALID;
+ b->ad_select = _NETDEV_BOND_AD_SELECT_INVALID;
+ b->fail_over_mac = _NETDEV_BOND_FAIL_OVER_MAC_INVALID;
+ b->arp_validate = _NETDEV_BOND_ARP_VALIDATE_INVALID;
+ b->arp_all_targets = _NETDEV_BOND_ARP_ALL_TARGETS_INVALID;
+ b->primary_reselect = _NETDEV_BOND_PRIMARY_RESELECT_INVALID;
+
+ b->all_slaves_active = false;
+
+ b->resend_igmp = RESEND_IGMP_DEFAULT;
+ b->packets_per_slave = PACKETS_PER_SLAVE_DEFAULT;
+ b->num_grat_arp = GRATUITOUS_ARP_DEFAULT;
+ b->lp_interval = LEARNING_PACKETS_INTERVAL_MIN_SEC;
+
+ LIST_HEAD_INIT(b->arp_ip_targets);
+ b->n_arp_ip_targets = 0;
}
const NetDevVTable bond_vtable = {
.object_size = sizeof(Bond),
.init = bond_init,
+ .done = bond_done,
.sections = "Match\0NetDev\0Bond\0",
.fill_message_create = netdev_bond_fill_message_create,
.create_type = NETDEV_CREATE_MASTER,
projects / thirdparty / systemd.git / blobdiff