diff options
Diffstat (limited to 'src/network/networkd-netdev-bond.c')
| -rw-r--r-- | src/network/networkd-netdev-bond.c | 318 |
1 files changed, 316 insertions, 2 deletions
diff --git a/src/network/networkd-netdev-bond.c b/src/network/networkd-netdev-bond.c index c9115516fd..70df08a5e1 100644 --- a/src/network/networkd-netdev-bond.c +++ b/src/network/networkd-netdev-bond.c @@ -25,9 +25,41 @@ #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", @@ -41,7 +73,6 @@ static const char* const bond_mode_table[_NETDEV_BOND_MODE_MAX] = { 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", @@ -64,6 +95,51 @@ static const char* const bond_lacp_rate_table[_NETDEV_BOND_LACP_RATE_MAX] = { 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: @@ -104,7 +180,8 @@ static uint8_t bond_xmit_hash_policy_to_kernel(BondXmitHashPolicy policy) { 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); @@ -174,9 +251,230 @@ static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_ARP_INTERVAL attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_LP_INTERVAL attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_AD_SELECT attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_FAIL_OVER_MAC attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_ARP_VALIDATE attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_ARP_VALIDATE attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_ARP_ALL_TARGETS attribute: %s", + strerror(-r)); + return r; + } + } + + if (b->resend_igmp <= RESEND_IGMP_MAX) { + r = sd_rtnl_message_append_u32(m, IFLA_BOND_RESEND_IGMP, b->resend_igmp); + if (r < 0) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_RESEND_IGMP attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_PACKETS_PER_SLAVE attribute: %s", + strerror(-r)); + return r; + } + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_NUM_PEER_NOTIF attribute: %s", + strerror(-r)); + return r; + } + } + + if (b->min_links != 0) { + r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIN_LINKS, b->min_links); + if (r < 0) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_MIN_LINKS attribute: %s", + strerror(-r)); + return r; + } + } + + r = sd_rtnl_message_append_u8(m, IFLA_BOND_ALL_SLAVES_ACTIVE, b->all_slaves_active); + if (r < 0) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_ALL_SLAVES_ACTIVE attribute: %s", + strerror(-r)); + return r; + } + + 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) { + log_netdev_error(netdev, + "Could not open contaniner IFLA_BOND_ARP_IP_TARGET : %s", + strerror(-r)); + return r; + } + + 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) { + log_netdev_error(netdev, + "Could not append IFLA_BOND_ARP_ALL_TARGETS attribute: %s", + strerror(-r)); + return r; + } + } + + r = sd_rtnl_message_close_container(m); + if (r < 0) { + log_netdev_error(netdev, + "Could not close contaniner IFLA_BOND_ARP_IP_TARGET : %s", + strerror(-r)); + return r; + } + } + } + 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); @@ -186,11 +484,27 @@ static void bond_init(NetDev *netdev) { 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, |