| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <linux/if_arp.h> |
| #include <linux/if_link.h> |
| |
| #include "ipoib.h" |
| #include "networkd-network.h" |
| #include "parse-util.h" |
| #include "string-table.h" |
| |
| assert_cc((int) IP_OVER_INFINIBAND_MODE_DATAGRAM == (int) IPOIB_MODE_DATAGRAM); |
| assert_cc((int) IP_OVER_INFINIBAND_MODE_CONNECTED == (int) IPOIB_MODE_CONNECTED); |
| |
| static void netdev_ipoib_init(NetDev *netdev) { |
| IPoIB *ipoib; |
| |
| assert(netdev); |
| |
| ipoib = IPOIB(netdev); |
| |
| assert(ipoib); |
| |
| ipoib->mode = _IP_OVER_INFINIBAND_MODE_INVALID; |
| ipoib->umcast = -1; |
| } |
| |
| static int netdev_ipoib_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
| IPoIB *ipoib; |
| int r; |
| |
| assert(netdev); |
| assert(link); |
| assert(m); |
| |
| ipoib = IPOIB(netdev); |
| |
| assert(ipoib); |
| |
| if (ipoib->pkey > 0) { |
| r = sd_netlink_message_append_u16(m, IFLA_IPOIB_PKEY, ipoib->pkey); |
| if (r < 0) |
| return r; |
| } |
| |
| if (ipoib->mode >= 0) { |
| r = sd_netlink_message_append_u16(m, IFLA_IPOIB_MODE, ipoib->mode); |
| if (r < 0) |
| return r; |
| } |
| |
| if (ipoib->umcast >= 0) { |
| r = sd_netlink_message_append_u16(m, IFLA_IPOIB_UMCAST, ipoib->umcast); |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| int ipoib_set_netlink_message(Link *link, sd_netlink_message *m) { |
| int r; |
| |
| assert(link); |
| assert(link->network); |
| assert(m); |
| |
| r = sd_netlink_message_set_flags(m, NLM_F_REQUEST | NLM_F_ACK); |
| if (r < 0) |
| return r; |
| |
| r = sd_netlink_message_open_container(m, IFLA_LINKINFO); |
| if (r < 0) |
| return r; |
| |
| r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, link->kind); |
| if (r < 0) |
| return r; |
| |
| if (link->network->ipoib_mode >= 0) { |
| r = sd_netlink_message_append_u16(m, IFLA_IPOIB_MODE, link->network->ipoib_mode); |
| if (r < 0) |
| return r; |
| } |
| |
| if (link->network->ipoib_umcast >= 0) { |
| r = sd_netlink_message_append_u16(m, IFLA_IPOIB_UMCAST, link->network->ipoib_umcast); |
| if (r < 0) |
| return r; |
| } |
| |
| r = sd_netlink_message_close_container(m); |
| if (r < 0) |
| return r; |
| |
| r = sd_netlink_message_close_container(m); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static const char * const ipoib_mode_table[_IP_OVER_INFINIBAND_MODE_MAX] = { |
| [IP_OVER_INFINIBAND_MODE_DATAGRAM] = "datagram", |
| [IP_OVER_INFINIBAND_MODE_CONNECTED] = "connected", |
| }; |
| |
| DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(ipoib_mode, IPoIBMode); |
| DEFINE_CONFIG_PARSE_ENUM(config_parse_ipoib_mode, ipoib_mode, IPoIBMode, "Failed to parse IPoIB mode"); |
| |
| int config_parse_ipoib_pkey( |
| 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) { |
| |
| uint16_t u, *pkey = ASSERT_PTR(data); |
| int r; |
| |
| assert(filename); |
| assert(lvalue); |
| assert(rvalue); |
| |
| if (isempty(rvalue)) { |
| *pkey = 0; /* 0 means unset. */ |
| return 0; |
| } |
| |
| r = safe_atou16(rvalue, &u); |
| if (r < 0) { |
| log_syntax(unit, LOG_WARNING, filename, line, r, |
| "Failed to parse IPoIB pkey '%s', ignoring assignment: %m", |
| rvalue); |
| return 0; |
| } |
| if (IN_SET(u, 0, 0x8000)) { |
| log_syntax(unit, LOG_WARNING, filename, line, 0, |
| "IPoIB pkey cannot be 0 nor 0x8000, ignoring assignment: %s", |
| rvalue); |
| return 0; |
| } |
| |
| *pkey = u; |
| return 0; |
| } |
| |
| |
| const NetDevVTable ipoib_vtable = { |
| .object_size = sizeof(IPoIB), |
| .sections = NETDEV_COMMON_SECTIONS "IPoIB\0", |
| .init = netdev_ipoib_init, |
| .fill_message_create = netdev_ipoib_fill_message_create, |
| .create_type = NETDEV_CREATE_STACKED, |
| .iftype = ARPHRD_INFINIBAND, |
| .generate_mac = true, |
| }; |