diff options
Diffstat (limited to 'src/network/networkd-netdev-bond.c')
| -rw-r--r-- | src/network/networkd-netdev-bond.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/src/network/networkd-netdev-bond.c b/src/network/networkd-netdev-bond.c deleted file mode 100644 index 7913b0088e..0000000000 --- a/src/network/networkd-netdev-bond.c +++ /dev/null @@ -1,444 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 Tom Gundersen <teg@jklm.no> - Copyright 2014 Susant Sahani - - 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 <netinet/ether.h> -#include <linux/if_bonding.h> - -#include "sd-netlink.h" - -#include "alloc-util.h" -#include "conf-parser.h" -#include "extract-word.h" -#include "missing.h" -#include "networkd-netdev-bond.h" -#include "string-table.h" -#include "string-util.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", - [NETDEV_BOND_MODE_BALANCE_XOR] = "balance-xor", - [NETDEV_BOND_MODE_BROADCAST] = "broadcast", - [NETDEV_BOND_MODE_802_3AD] = "802.3ad", - [NETDEV_BOND_MODE_BALANCE_TLB] = "balance-tlb", - [NETDEV_BOND_MODE_BALANCE_ALB] = "balance-alb", -}; - -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: - return BOND_MODE_ROUNDROBIN; - case NETDEV_BOND_MODE_ACTIVE_BACKUP: - return BOND_MODE_ACTIVEBACKUP; - case NETDEV_BOND_MODE_BALANCE_XOR: - return BOND_MODE_XOR; - case NETDEV_BOND_MODE_BROADCAST: - return BOND_MODE_BROADCAST; - case NETDEV_BOND_MODE_802_3AD: - return BOND_MODE_8023AD; - case NETDEV_BOND_MODE_BALANCE_TLB: - return BOND_MODE_TLB; - case NETDEV_BOND_MODE_BALANCE_ALB: - return BOND_MODE_ALB; - default: - return (uint8_t) -1; - } -} - -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_netlink_message *m) { - Bond *b; - ArpIpTarget *target = NULL; - int r, i = 0; - - assert(netdev); - assert(!link); - assert(m); - - b = BOND(netdev); - - assert(b); - - if (b->mode != _NETDEV_BOND_MODE_INVALID) { - r = sd_netlink_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_netlink_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_netlink_message_append_u8(m, IFLA_BOND_AD_LACP_RATE, b->lacp_rate ); - if (r < 0) - return log_netdev_error_errno(netdev, r, "Could not append IFLA_BOND_AD_LACP_RATE attribute: %m"); - } - - if (b->miimon != 0) { - r = sd_netlink_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_netlink_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_netlink_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_netlink_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_netlink_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 == NETDEV_BOND_MODE_802_3AD) { - r = sd_netlink_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_netlink_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_netlink_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_netlink_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_netlink_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_netlink_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 && - b->mode == NETDEV_BOND_MODE_BALANCE_RR) { - r = sd_netlink_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_netlink_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_netlink_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_netlink_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_netlink_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_netlink_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_netlink_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; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - for (;;) { - _cleanup_free_ ArpIpTarget *buffer = NULL; - _cleanup_free_ char *n = NULL; - int f; - - r = extract_first_word(&rvalue, &n, NULL, 0); - if (r < 0) { - log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse Bond ARP ip target address, ignoring assignment: %s", rvalue); - return 0; - } - - if (r == 0) - break; - - 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, r, "Bond ARP ip target address is invalid, ignoring assignment: %s", n); - return 0; - } - - if (f != AF_INET) { - log_syntax(unit, LOG_ERR, filename, line, 0, "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 > NETDEV_BOND_ARP_TARGETS_MAX) - log_syntax(unit, LOG_WARNING, filename, line, 0, - "More than the maximum number of kernel-supported ARP ip targets specified: %d > %d", - b->n_arp_ip_targets, NETDEV_BOND_ARP_TARGETS_MAX); - - return 0; -} - -static void bond_done(NetDev *netdev) { - ArpIpTarget *t = NULL, *n = NULL; - Bond *b; - - assert(netdev); - - b = BOND(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; - - assert(netdev); - - 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, -}; |