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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/network/netdev/ipoib.c | |
parent | Initial commit. (diff) | |
download | systemd-b750101eb236130cf056c675997decbac904cc49.tar.xz systemd-b750101eb236130cf056c675997decbac904cc49.zip |
Adding upstream version 252.22.upstream/252.22
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/network/netdev/ipoib.c')
-rw-r--r-- | src/network/netdev/ipoib.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/network/netdev/ipoib.c b/src/network/netdev/ipoib.c new file mode 100644 index 0000000..5dd9286 --- /dev/null +++ b/src/network/netdev/ipoib.c @@ -0,0 +1,161 @@ +/* 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, +}; |