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-rw-r--r--src/spdk/lib/net/Makefile46
-rw-r--r--src/spdk/lib/net/interface.c551
-rw-r--r--src/spdk/lib/net/net_internal.h79
-rw-r--r--src/spdk/lib/net/net_rpc.c198
-rw-r--r--src/spdk/lib/net/spdk_net.map9
5 files changed, 883 insertions, 0 deletions
diff --git a/src/spdk/lib/net/Makefile b/src/spdk/lib/net/Makefile
new file mode 100644
index 000000000..918df6cfb
--- /dev/null
+++ b/src/spdk/lib/net/Makefile
@@ -0,0 +1,46 @@
+#
+# BSD LICENSE
+#
+# Copyright (c) Intel Corporation.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in
+# the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Intel Corporation nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
+include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
+
+SO_VER := 2
+SO_MINOR := 0
+
+C_SRCS = interface.c net_rpc.c
+
+LIBNAME = net
+
+SPDK_MAP_FILE = $(abspath $(CURDIR)/spdk_net.map)
+
+include $(SPDK_ROOT_DIR)/mk/spdk.lib.mk
diff --git a/src/spdk/lib/net/interface.c b/src/spdk/lib/net/interface.c
new file mode 100644
index 000000000..358cbc308
--- /dev/null
+++ b/src/spdk/lib/net/interface.c
@@ -0,0 +1,551 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "net_internal.h"
+
+#include "spdk/stdinc.h"
+#include "spdk/string.h"
+
+#include "spdk/log.h"
+#include "spdk/net.h"
+
+#ifdef __linux__ /* Interface management is Linux-specific */
+
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+
+static TAILQ_HEAD(, spdk_interface) g_interface_head;
+
+static pthread_mutex_t interface_lock = PTHREAD_MUTEX_INITIALIZER;
+
+static int get_ifc_ipv4(void)
+{
+ int ret;
+ int rtattrlen;
+ int netlink_fd;
+ uint32_t ipv4_addr;
+
+ struct {
+ struct nlmsghdr n;
+ struct ifaddrmsg r;
+ struct rtattr rta;
+ } req;
+ char buf[16384];
+ struct nlmsghdr *nlmp;
+ struct ifaddrmsg *rtmp;
+ struct rtattr *rtatp;
+ struct spdk_interface *ifc;
+
+ netlink_fd = socket(PF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);
+ if (netlink_fd < 0) {
+ SPDK_ERRLOG("socket failed!\n");
+ return 1;
+ }
+
+ /*
+ * Prepare a message structure
+ */
+ memset(&req, 0, sizeof(req));
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
+ req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ROOT;
+ req.n.nlmsg_type = RTM_GETADDR;
+
+ /* IPv4 only */
+ req.r.ifa_family = AF_INET;
+
+ /*
+ * Fill up all the attributes for the rtnetlink header.
+ */
+ assert(&req.rta == (struct rtattr *)(((char *)&req) + NLMSG_ALIGN(req.n.nlmsg_len)));
+ req.rta.rta_len = RTA_LENGTH(16);
+
+ /* Send and recv the message from kernel */
+ ret = send(netlink_fd, &req, req.n.nlmsg_len, 0);
+ if (ret < 0) {
+ SPDK_ERRLOG("netlink send failed: %s\n", spdk_strerror(errno));
+ ret = 1;
+ goto exit;
+ }
+
+ ret = recv(netlink_fd, buf, sizeof(buf), 0);
+ if (ret <= 0) {
+ SPDK_ERRLOG("netlink recv failed: %s\n", spdk_strerror(errno));
+ ret = 1;
+ goto exit;
+ }
+
+ for (nlmp = (struct nlmsghdr *)buf; ret > (int)sizeof(*nlmp);) {
+ int len = nlmp->nlmsg_len;
+ int req_len = len - sizeof(*nlmp);
+
+ if (req_len < 0 || len > ret) {
+ SPDK_ERRLOG("error\n");
+ ret = 1;
+ goto exit;
+ }
+
+ if (!NLMSG_OK(nlmp, (uint32_t)ret)) {
+ SPDK_ERRLOG("NLMSG not OK\n");
+ ret = 1;
+ goto exit;
+ }
+
+ rtmp = (struct ifaddrmsg *)NLMSG_DATA(nlmp);
+ rtatp = (struct rtattr *)IFA_RTA(rtmp);
+
+ rtattrlen = IFA_PAYLOAD(nlmp);
+
+ for (; RTA_OK(rtatp, rtattrlen); rtatp = RTA_NEXT(rtatp, rtattrlen)) {
+ if (rtatp->rta_type == IFA_LOCAL) {
+ memcpy(&ipv4_addr, (struct in_addr *)RTA_DATA(rtatp),
+ sizeof(struct in_addr));
+ TAILQ_FOREACH(ifc, &g_interface_head, tailq) {
+ if (ifc->index == rtmp->ifa_index) {
+ /* add a new IP address to interface */
+ if (ifc->num_ip_addresses >= SPDK_MAX_IP_PER_IFC) {
+ SPDK_ERRLOG("SPDK: number of IP addresses supported for %s excceded. limit=%d\n",
+ ifc->name,
+ SPDK_MAX_IP_PER_IFC);
+ break;
+ }
+ ifc->ip_address[ifc->num_ip_addresses] = ipv4_addr;
+ ifc->num_ip_addresses++;
+ break;
+ }
+ }
+ }
+ }
+ ret -= NLMSG_ALIGN(len);
+ nlmp = (struct nlmsghdr *)((char *)nlmp + NLMSG_ALIGN(len));
+ }
+ ret = 0;
+
+exit:
+ close(netlink_fd);
+ return ret;
+}
+
+
+static int process_new_interface_msg(struct nlmsghdr *h)
+{
+ int len;
+ struct spdk_interface *ifc;
+ struct ifinfomsg *iface;
+ struct rtattr *attribute;
+
+ iface = (struct ifinfomsg *)NLMSG_DATA(h);
+
+ ifc = (struct spdk_interface *) malloc(sizeof(*ifc));
+ if (ifc == NULL) {
+ SPDK_ERRLOG("Malloc failed\n");
+ return 1;
+ }
+
+ memset(ifc, 0, sizeof(*ifc));
+
+ /* Set interface index */
+ ifc->index = iface->ifi_index;
+
+ len = h->nlmsg_len - NLMSG_LENGTH(sizeof(*iface));
+
+ /* Loop over all attributes for the NEWLINK message */
+ for (attribute = IFLA_RTA(iface); RTA_OK(attribute, len); attribute = RTA_NEXT(attribute, len)) {
+ switch (attribute->rta_type) {
+ case IFLA_IFNAME:
+ if (if_indextoname(iface->ifi_index, ifc->name) == NULL) {
+ SPDK_ERRLOG("Indextoname failed!\n");
+ free(ifc);
+ return 2;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ TAILQ_INSERT_TAIL(&g_interface_head, ifc, tailq);
+ return 0;
+}
+
+static int prepare_ifc_list(void)
+{
+ int ret = 0;
+ struct nl_req_s {
+ struct nlmsghdr hdr;
+ struct rtgenmsg gen;
+ struct ifinfomsg ifi;
+ };
+ int netlink_fd;
+ struct sockaddr_nl local; /* Our local (user space) side of the communication */
+ struct sockaddr_nl kernel; /* The remote (kernel space) side of the communication */
+
+ struct msghdr rtnl_msg; /* Generic msghdr struct for use with sendmsg */
+ struct iovec io; /* IO vector for sendmsg */
+
+ struct nl_req_s req; /* Structure that describes the rtnetlink packet itself */
+ char reply[16384]; /* a large buffer to receive lots of link information */
+
+ pid_t pid = getpid(); /* Our process ID to build the correct netlink address */
+ int end = 0; /* some flag to end loop parsing */
+
+ /*
+ * Prepare netlink socket for kernel/user space communication
+ */
+ netlink_fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
+ if (netlink_fd < 0) {
+ SPDK_ERRLOG("socket failed!\n");
+ return 1;
+ }
+
+ memset(&local, 0, sizeof(local)); /* Fill-in local address information */
+ local.nl_family = AF_NETLINK;
+ local.nl_pid = pid;
+ local.nl_groups = 0;
+
+ /* RTNL socket is ready to use, prepare and send L2 request. */
+ memset(&rtnl_msg, 0, sizeof(rtnl_msg));
+ memset(&kernel, 0, sizeof(kernel));
+ memset(&req, 0, sizeof(req));
+
+ kernel.nl_family = AF_NETLINK; /* Fill-in kernel address (destination of our message) */
+
+ req.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtgenmsg));
+ req.hdr.nlmsg_type = RTM_GETLINK;
+ req.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
+ req.hdr.nlmsg_seq = 1;
+ req.hdr.nlmsg_pid = pid;
+
+ req.ifi.ifi_family = AF_UNSPEC;
+ req.ifi.ifi_type = 1;
+
+ io.iov_base = &req;
+ io.iov_len = req.hdr.nlmsg_len;
+ rtnl_msg.msg_iov = &io;
+ rtnl_msg.msg_iovlen = 1;
+ rtnl_msg.msg_name = &kernel;
+ rtnl_msg.msg_namelen = sizeof(kernel);
+
+ if (sendmsg(netlink_fd, &rtnl_msg, 0) == -1) {
+ SPDK_ERRLOG("Sendmsg failed!\n");
+ ret = 1;
+ goto exit;
+ }
+
+ /* Parse reply */
+ while (!end) {
+ int len;
+ struct nlmsghdr *msg_ptr; /* Pointer to current message part */
+
+ struct msghdr rtnl_reply; /* Generic msghdr structure for use with recvmsg */
+ struct iovec io_reply;
+
+ memset(&io_reply, 0, sizeof(io_reply));
+ memset(&rtnl_reply, 0, sizeof(rtnl_reply));
+
+ io.iov_base = reply;
+ io.iov_len = 8192;
+ rtnl_reply.msg_iov = &io;
+ rtnl_reply.msg_iovlen = 1;
+ rtnl_reply.msg_name = &kernel;
+ rtnl_reply.msg_namelen = sizeof(kernel);
+
+ /* Read as much data as fits in the receive buffer */
+ len = recvmsg(netlink_fd, &rtnl_reply, 0);
+ if (len) {
+ for (msg_ptr = (struct nlmsghdr *) reply; NLMSG_OK(msg_ptr, (uint32_t)len);
+ msg_ptr = NLMSG_NEXT(msg_ptr, len)) {
+ switch (msg_ptr->nlmsg_type) {
+ case NLMSG_DONE: /* This is the special meaning NLMSG_DONE message we asked for by using NLM_F_DUMP flag */
+ end++;
+ break;
+ case RTM_NEWLINK: /* This is a RTM_NEWLINK message, which contains lots of information about a link */
+ ret = process_new_interface_msg(msg_ptr);
+ if (ret != 0) {
+ goto exit;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ }
+exit:
+ close(netlink_fd);
+ return ret;
+}
+
+static struct spdk_interface *
+interface_find_by_index(uint32_t ifc_index)
+{
+ struct spdk_interface *ifc_entry;
+
+ /* Mutex must has benn held by the caller */
+ TAILQ_FOREACH(ifc_entry, &g_interface_head, tailq) {
+ if (ifc_entry->index == ifc_index) {
+ return ifc_entry;
+ }
+ }
+
+ return NULL;
+}
+
+static int netlink_addr_msg(uint32_t ifc_idx, uint32_t ip_address, uint32_t create)
+{
+ int fd;
+ struct sockaddr_nl la;
+ struct sockaddr_nl pa;
+ struct msghdr msg;
+ struct iovec iov;
+ int ifal;
+ struct {
+ struct nlmsghdr n;
+ struct ifaddrmsg r;
+ char buf[16384];
+ } req;
+ struct rtattr *rta;
+
+ fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
+ if (fd < 0) {
+ SPDK_ERRLOG("socket failed!\n");
+ return errno;
+ }
+
+ /* setup local address & bind using this address. */
+ bzero(&la, sizeof(la));
+ la.nl_family = AF_NETLINK;
+ la.nl_pid = getpid();
+ bind(fd, (struct sockaddr *) &la, sizeof(la));
+
+ /* initialize RTNETLINK request buffer. */
+ bzero(&req, sizeof(req));
+
+ /* compute the initial length of the service request. */
+ ifal = sizeof(struct ifaddrmsg);
+
+ /* add first attrib: set IP addr and RTNETLINK buffer size. */
+ rta = (struct rtattr *) req.buf;
+ rta->rta_type = IFA_ADDRESS;
+ rta->rta_len = sizeof(struct rtattr) + 4;
+ memcpy(((char *)rta) + sizeof(struct rtattr), &ip_address, sizeof(ip_address));
+ ifal += rta->rta_len;
+
+ /* add second attrib. */
+ rta = (struct rtattr *)(((char *)rta) + rta->rta_len);
+ rta->rta_type = IFA_LOCAL;
+ rta->rta_len = sizeof(struct rtattr) + 4;
+ memcpy(((char *)rta) + sizeof(struct rtattr), &ip_address, sizeof(ip_address));
+ ifal += rta->rta_len;
+
+ /* setup the NETLINK header. */
+ req.n.nlmsg_len = NLMSG_LENGTH(ifal);
+ if (create) {
+ req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE | NLM_F_APPEND;
+ req.n.nlmsg_type = RTM_NEWADDR;
+ } else {
+ req.n.nlmsg_flags = NLM_F_REQUEST;
+ req.n.nlmsg_type = RTM_DELADDR;
+ }
+
+ /* setup the service header (struct rtmsg). */
+ req.r.ifa_family = AF_INET;
+ req.r.ifa_prefixlen = 32; /* hardcoded */
+ req.r.ifa_flags = IFA_F_PERMANENT | IFA_F_SECONDARY;
+ req.r.ifa_index = ifc_idx;
+ req.r.ifa_scope = 0;
+
+ /* create the remote address to communicate. */
+ bzero(&pa, sizeof(pa));
+ pa.nl_family = AF_NETLINK;
+
+ /* initialize & create the struct msghdr supplied to the sendmsg() function. */
+ bzero(&msg, sizeof(msg));
+ msg.msg_name = (void *) &pa;
+ msg.msg_namelen = sizeof(pa);
+
+ /* place the pointer & size of the RTNETLINK message in the struct msghdr. */
+ iov.iov_base = (void *) &req.n;
+ iov.iov_len = req.n.nlmsg_len;
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+ /* send the RTNETLINK message to kernel. */
+ sendmsg(fd, &msg, 0);
+ close(fd);
+ return 0;
+}
+
+static void interface_ip_update(void)
+{
+ struct spdk_interface *ifc_entry;
+
+ pthread_mutex_lock(&interface_lock);
+ TAILQ_FOREACH(ifc_entry, &g_interface_head, tailq) {
+ ifc_entry->num_ip_addresses = 0;
+ memset(ifc_entry->ip_address, 0, sizeof(ifc_entry->ip_address));
+ }
+ get_ifc_ipv4();
+ pthread_mutex_unlock(&interface_lock);
+}
+
+static int
+interface_is_ip_address_in_use(int ifc_index, uint32_t addr, bool add)
+{
+ struct spdk_interface *ifc_entry;
+ bool in_use = false;
+ uint32_t idx = 0;
+
+ interface_ip_update();
+
+ pthread_mutex_lock(&interface_lock);
+ ifc_entry = interface_find_by_index(ifc_index);
+ if (ifc_entry == NULL) {
+ pthread_mutex_unlock(&interface_lock);
+ return -ENODEV;
+ }
+
+ for (idx = 0; idx < ifc_entry->num_ip_addresses; idx++) {
+ if (ifc_entry->ip_address[idx] == addr) {
+ in_use = true;
+ break;
+ }
+ }
+ pthread_mutex_unlock(&interface_lock);
+
+ /* The IP address to add is alerady in use */
+ if (add == true && in_use == true) {
+ return -EADDRINUSE;
+ }
+
+ /* The IP address to delete is not in use */
+ if (add == false && in_use == false) {
+ return -ENXIO;
+ }
+
+ return 0;
+}
+
+int
+spdk_interface_init(void)
+{
+ int rc = 0;
+
+ TAILQ_INIT(&g_interface_head);
+ rc = prepare_ifc_list();
+ if (!rc) {
+ rc = get_ifc_ipv4();
+ }
+
+ return rc;
+}
+
+void
+spdk_interface_destroy(void)
+{
+ struct spdk_interface *ifc_entry;
+
+ while (!TAILQ_EMPTY(&g_interface_head)) {
+ ifc_entry = TAILQ_FIRST(&g_interface_head);
+ TAILQ_REMOVE(&g_interface_head, ifc_entry, tailq);
+ free(ifc_entry);
+ }
+}
+
+int
+interface_net_interface_add_ip_address(int ifc_index, char *ip_addr)
+{
+ uint32_t addr;
+ int ret;
+
+ addr = inet_addr(ip_addr);
+
+ ret = interface_is_ip_address_in_use(ifc_index, addr, true);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return netlink_addr_msg(ifc_index, addr, 1);
+}
+
+int
+interface_net_interface_delete_ip_address(int ifc_index, char *ip_addr)
+{
+ uint32_t addr;
+ int ret;
+
+ addr = inet_addr(ip_addr);
+
+ ret = interface_is_ip_address_in_use(ifc_index, addr, false);
+ if (ret < 0) {
+ return ret;
+ }
+
+ return netlink_addr_msg(ifc_index, addr, 0);
+}
+
+void *interface_get_list(void)
+{
+ interface_ip_update();
+ return &g_interface_head;
+}
+
+#else /* Not Linux */
+
+int
+spdk_interface_init(void)
+{
+ return 0;
+}
+
+void
+spdk_interface_destroy(void)
+{
+}
+
+int
+interface_net_interface_add_ip_address(int ifc_index, char *ip_addr)
+{
+ return -1;
+}
+
+int
+interface_net_interface_delete_ip_address(int ifc_index, char *ip_addr)
+{
+ return -1;
+}
+
+void *
+interface_get_list(void)
+{
+ return NULL;
+}
+
+#endif
diff --git a/src/spdk/lib/net/net_internal.h b/src/spdk/lib/net/net_internal.h
new file mode 100644
index 000000000..4a1422939
--- /dev/null
+++ b/src/spdk/lib/net/net_internal.h
@@ -0,0 +1,79 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SPDK_NET_INTERNAL_H
+#define SPDK_NET_INTERNAL_H
+
+#include "spdk/stdinc.h"
+
+#include "spdk/queue.h"
+
+#define SPDK_IFNAMSIZE 32
+#define SPDK_MAX_IP_PER_IFC 32
+
+struct spdk_interface {
+ char name[SPDK_IFNAMSIZE];
+ uint32_t index;
+ uint32_t num_ip_addresses; /* number of IP addresses defined */
+ uint32_t ip_address[SPDK_MAX_IP_PER_IFC];
+ TAILQ_ENTRY(spdk_interface) tailq;
+};
+
+/**
+ * Add an ip address to the network interface.
+ *
+ * \param ifc_index Index of the network interface.
+ * \param ip_addr Ip address to add.
+ *
+ * \return 0 on success, -1 on failure.
+ */
+int interface_net_interface_add_ip_address(int ifc_index, char *ip_addr);
+
+/**
+ * Delete an ip address from the network interface.
+ *
+ * \param ifc_index Index of the network interface.
+ * \param ip_addr Ip address to delete.
+ *
+ * \return 0 on success, -1 on failure.
+ */
+int interface_net_interface_delete_ip_address(int ifc_index, char *ip_addr);
+
+/**
+ * Get the list of all the network interfaces.
+ *
+ * \return a pointer to the head of the linked list of all the network interfaces.
+ */
+void *interface_get_list(void);
+
+#endif /* SPDK_NET_INTERNAL_H */
diff --git a/src/spdk/lib/net/net_rpc.c b/src/spdk/lib/net/net_rpc.c
new file mode 100644
index 000000000..47a302a6b
--- /dev/null
+++ b/src/spdk/lib/net/net_rpc.c
@@ -0,0 +1,198 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) Intel Corporation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "net_internal.h"
+
+#include "spdk/stdinc.h"
+
+#include "spdk/rpc.h"
+#include "spdk/net.h"
+#include "spdk/util.h"
+
+#include "spdk_internal/log.h"
+
+struct rpc_ip_address {
+ int32_t ifc_index;
+ char *ip_address;
+};
+
+static void
+free_rpc_ip_address(struct rpc_ip_address *req)
+{
+ free(req->ip_address);
+}
+
+static const struct spdk_json_object_decoder rpc_ip_address_decoders[] = {
+ {"ifc_index", offsetof(struct rpc_ip_address, ifc_index), spdk_json_decode_int32},
+ {"ip_address", offsetof(struct rpc_ip_address, ip_address), spdk_json_decode_string},
+};
+
+static void
+rpc_net_interface_add_ip_address(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_ip_address req = {};
+ struct spdk_json_write_ctx *w;
+ int ret_val = 0;
+
+ if (spdk_json_decode_object(params, rpc_ip_address_decoders,
+ SPDK_COUNTOF(rpc_ip_address_decoders),
+ &req)) {
+ SPDK_DEBUGLOG(SPDK_LOG_NET, "spdk_json_decode_object failed\n");
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+ "spdk_json_decode_object failed");
+ goto invalid;
+ }
+
+ ret_val = interface_net_interface_add_ip_address(req.ifc_index, req.ip_address);
+ if (ret_val) {
+ if (ret_val == -ENODEV) {
+ spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_STATE,
+ "Interface %d not available", req.ifc_index);
+ } else if (ret_val == -EADDRINUSE) {
+ spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+ "IP address %s is already added to interface %d",
+ req.ip_address, req.ifc_index);
+ } else {
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+ strerror(ret_val));
+ }
+ goto invalid;
+ }
+
+ free_rpc_ip_address(&req);
+
+ w = spdk_jsonrpc_begin_result(request);
+ spdk_json_write_bool(w, true);
+ spdk_jsonrpc_end_result(request, w);
+ return;
+
+invalid:
+ free_rpc_ip_address(&req);
+}
+SPDK_RPC_REGISTER("net_interface_add_ip_address", rpc_net_interface_add_ip_address,
+ SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(net_interface_add_ip_address, add_ip_address)
+
+static void
+rpc_net_interface_delete_ip_address(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_ip_address req = {};
+ struct spdk_json_write_ctx *w;
+ int ret_val = 0;
+
+ if (spdk_json_decode_object(params, rpc_ip_address_decoders,
+ SPDK_COUNTOF(rpc_ip_address_decoders),
+ &req)) {
+ SPDK_DEBUGLOG(SPDK_LOG_NET, "spdk_json_decode_object failed\n");
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+ "spdk_json_decode_object failed");
+ goto invalid;
+ }
+
+ ret_val = interface_net_interface_delete_ip_address(req.ifc_index, req.ip_address);
+ if (ret_val) {
+ if (ret_val == -ENODEV) {
+ spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_STATE,
+ "Interface %d not available", req.ifc_index);
+ } else if (ret_val == -ENXIO) {
+ spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+ "IP address %s is not found in interface %d",
+ req.ip_address, req.ifc_index);
+ } else {
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+ strerror(ret_val));
+ }
+ goto invalid;
+ }
+
+ free_rpc_ip_address(&req);
+
+ w = spdk_jsonrpc_begin_result(request);
+ spdk_json_write_bool(w, true);
+ spdk_jsonrpc_end_result(request, w);
+ return;
+
+invalid:
+ free_rpc_ip_address(&req);
+}
+SPDK_RPC_REGISTER("net_interface_delete_ip_address", rpc_net_interface_delete_ip_address,
+ SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(net_interface_delete_ip_address, delete_ip_address)
+
+static void
+rpc_net_get_interfaces(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct spdk_json_write_ctx *w;
+ TAILQ_HEAD(, spdk_interface) *interface_head = interface_get_list();
+ struct spdk_interface *ifc;
+ char *ip_address;
+ struct in_addr inaddr;
+ uint32_t i;
+
+ if (params != NULL) {
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+ "net_get_interfaces requires no parameters");
+ return;
+ }
+
+ w = spdk_jsonrpc_begin_result(request);
+ spdk_json_write_array_begin(w);
+
+ TAILQ_FOREACH(ifc, interface_head, tailq) {
+ spdk_json_write_object_begin(w);
+
+ spdk_json_write_named_string(w, "name", ifc->name);
+
+ spdk_json_write_named_int32(w, "ifc_index", ifc->index);
+
+ spdk_json_write_named_array_begin(w, "ip_addr");
+ for (i = 0; i < ifc->num_ip_addresses; i++) {
+ memcpy(&inaddr, &ifc->ip_address[i], sizeof(uint32_t));
+ ip_address = inet_ntoa(inaddr);
+ spdk_json_write_string(w, ip_address);
+ }
+ spdk_json_write_array_end(w);
+
+ spdk_json_write_object_end(w);
+ }
+ spdk_json_write_array_end(w);
+
+ spdk_jsonrpc_end_result(request, w);
+}
+SPDK_RPC_REGISTER("net_get_interfaces", rpc_net_get_interfaces, SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(net_get_interfaces, get_interfaces)
+
+SPDK_LOG_REGISTER_COMPONENT("net", SPDK_LOG_NET)
diff --git a/src/spdk/lib/net/spdk_net.map b/src/spdk/lib/net/spdk_net.map
new file mode 100644
index 000000000..944bc4c6e
--- /dev/null
+++ b/src/spdk/lib/net/spdk_net.map
@@ -0,0 +1,9 @@
+{
+ global:
+
+ # public functions
+ spdk_interface_init;
+ spdk_interface_destroy;
+
+ local: *;
+};