./move.sh

1 files changed, 296 insertions, 0 deletions

diff --git a/src/grp-network/networkd-netdev-vxlan.c b/src/grp-network/networkd-netdev-vxlan.c
new file mode 100644
index 0000000000..363a6bdde6
--- /dev/null
+++ b/src/grp-network/networkd-netdev-vxlan.c
@@ -0,0 +1,296 @@
+/***
+    This file is part of systemd.
+
+    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 <net/if.h>
+
+#include <systemd/sd-netlink.h>
+
+#include "conf-parser.h"
+#include "alloc-util.h"
+#include "extract-word.h"
+#include "parse-util.h"
+#include "missing.h"
+
+#include "networkd-link.h"
+#include "networkd-netdev-vxlan.h"
+
+static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+        VxLan *v;
+        int r;
+
+        assert(netdev);
+        assert(link);
+        assert(m);
+
+        v = VXLAN(netdev);
+
+        assert(v);
+
+        if (v->id <= VXLAN_VID_MAX) {
+                r = sd_netlink_message_append_u32(m, IFLA_VXLAN_ID, v->id);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_ID attribute: %m");
+        }
+
+        r = sd_netlink_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_GROUP attribute: %m");
+
+        r = sd_netlink_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_LINK attribute: %m");
+
+        if (v->ttl) {
+                r = sd_netlink_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_TTL attribute: %m");
+        }
+
+        if (v->tos) {
+                r = sd_netlink_message_append_u8(m, IFLA_VXLAN_TOS, v->tos);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_TOS attribute: %m");
+        }
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_LEARNING attribute: %m");
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_RSC attribute: %m");
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_PROXY attribute: %m");
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_L2MISS attribute: %m");
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_L3MISS attribute: %m");
+
+        if (v->fdb_ageing) {
+                r = sd_netlink_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_AGEING attribute: %m");
+        }
+
+        if (v->max_fdb) {
+                r = sd_netlink_message_append_u32(m, IFLA_VXLAN_LIMIT, v->max_fdb);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_LIMIT attribute: %m");
+        }
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_UDP_CSUM, v->udpcsum);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_UDP_CSUM attribute: %m");
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_TX attribute: %m");
+
+        r = sd_netlink_message_append_u8(m, IFLA_VXLAN_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx);
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_UDP_ZERO_CSUM6_RX attribute: %m");
+
+        r = sd_netlink_message_append_u16(m, IFLA_VXLAN_PORT, htobe16(v->dest_port));
+        if (r < 0)
+                return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_PORT attribute: %m");
+
+        if (v->port_range.low || v->port_range.high) {
+                struct ifla_vxlan_port_range port_range;
+
+                port_range.low = htobe16(v->port_range.low);
+                port_range.high = htobe16(v->port_range.high);
+
+                r = sd_netlink_message_append_data(m, IFLA_VXLAN_PORT_RANGE, &port_range, sizeof(port_range));
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_PORT_RANGE attribute: %m");
+        }
+
+        if (v->group_policy) {
+                r = sd_netlink_message_append_flag(m, IFLA_VXLAN_GBP);
+                if (r < 0)
+                        return log_netdev_error_errno(netdev, r, "Could not append IFLA_VXLAN_GBP attribute: %m");
+        }
+
+        return r;
+}
+
+int config_parse_vxlan_group_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) {
+        VxLan *v = userdata;
+        union in_addr_union *addr = data, buffer;
+        int r, f;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = in_addr_from_string_auto(rvalue, &f, &buffer);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "vxlan multicast group address is invalid, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        if (v->family != AF_UNSPEC && v->family != f) {
+                log_syntax(unit, LOG_ERR, filename, line, 0, "vxlan multicast group incompatible, ignoring assignment: %s", rvalue);
+                return 0;
+        }
+
+        v->family = f;
+        *addr = buffer;
+
+        return 0;
+}
+
+int config_parse_port_range(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) {
+        _cleanup_free_ char *word = NULL;
+        VxLan *v = userdata;
+        unsigned low, high;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = extract_first_word(&rvalue, &word, NULL, 0);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to extract VXLAN port range, ignoring: %s", rvalue);
+                return 0;
+        }
+
+        if (r == 0)
+                return 0;
+
+        r = parse_range(word, &low, &high);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse VXLAN port range '%s'", word);
+                return 0;
+        }
+
+        if (low <= 0 || low > 65535 || high <= 0 || high > 65535) {
+                log_syntax(unit, LOG_ERR, filename, line, r,
+                           "Failed to parse VXLAN port range '%s'. Port should be greater than 0 and less than 65535.", word);
+                return 0;
+        }
+
+        if (high < low) {
+                log_syntax(unit, LOG_ERR, filename, line, r,
+                           "Failed to parse VXLAN port range '%s'. Port range %u .. %u not valid", word, low, high);
+                return 0;
+        }
+
+        v->port_range.low = low;
+        v->port_range.high = high;
+
+        return 0;
+}
+
+int config_parse_destination_port(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) {
+        VxLan *v = userdata;
+        uint16_t port;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        r = safe_atou16(rvalue, &port);
+        if (r < 0 || port <= 0) {
+                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse VXLAN destination port '%s'.", rvalue);
+                return 0;
+        }
+
+        v->dest_port = port;
+
+        return 0;
+}
+
+static int netdev_vxlan_verify(NetDev *netdev, const char *filename) {
+        VxLan *v = VXLAN(netdev);
+
+        assert(netdev);
+        assert(v);
+        assert(filename);
+
+        if (v->id > VXLAN_VID_MAX) {
+                log_warning("VXLAN without valid Id configured in %s. Ignoring", filename);
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static void vxlan_init(NetDev *netdev) {
+        VxLan *v;
+
+        assert(netdev);
+
+        v = VXLAN(netdev);
+
+        assert(v);
+
+        v->id = VXLAN_VID_MAX + 1;
+        v->learning = true;
+        v->udpcsum = false;
+        v->udp6zerocsumtx = false;
+        v->udp6zerocsumrx = false;
+}
+
+const NetDevVTable vxlan_vtable = {
+        .object_size = sizeof(VxLan),
+        .init = vxlan_init,
+        .sections = "Match\0NetDev\0VXLAN\0",
+        .fill_message_create = netdev_vxlan_fill_message_create,
+        .create_type = NETDEV_CREATE_STACKED,
+        .config_verify = netdev_vxlan_verify,
+};