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vif.c
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vif.c
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/*
* vif.c -- 'vrouter' interface utility
*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include <getopt.h>
#include <stdbool.h>
#include <ctype.h>
#include "vr_os.h"
#include <sys/types.h>
#include <sys/socket.h>
#if defined(__linux__)
#include <asm/types.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/if_ether.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <netinet/ether.h>
#elif defined(__FreeBSD__)
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/ethernet.h>
#endif
#include "vr_types.h"
#include "vr_message.h"
#include "vr_packet.h"
#include "vr_interface.h"
#include "vhost.h"
#include "vr_genetlink.h"
#include "nl_util.h"
#include "ini_parser.h"
#define VHOST_TYPE_STRING "vhost"
#define AGENT_TYPE_STRING "agent"
#define PHYSICAL_TYPE_STRING "physical"
#define VIRTUAL_TYPE_STRING "virtual"
#define XEN_LL_TYPE_STRING "xenll"
#define GATEWAY_TYPE_STRING "gateway"
#define VIRTUAL_VLAN_TYPE_STRING "virtual-vlan"
#define STATS_TYPE_STRING "stats"
#define MONITORING_TYPE_STRING "monitoring"
static struct nl_client *cl;
static char flag_string[32], if_name[IFNAMSIZ];
static int if_kindex = -1, vrf_id, vr_ifindex = -1;
static int if_pmdindex = -1, vif_index = -1;
static bool need_xconnect_if = false;
static bool need_vif_id = false;
static int if_xconnect_kindex = -1;
static int if_vif_index = -1;
static short vlan_id = -1;
static int vr_ifflags;
static int add_set, create_set, get_set, list_set;
static int kindex_set, type_set, help_set, set_set, vlan_set, dhcp_set;
static int vrf_set, mac_set, delete_set, policy_set, pmd_set, vindex_set, pci_set;
static int xconnect_set, vif_set, vhost_phys_set;
static unsigned int vr_op, vr_if_type;
static bool ignore_error = false, dump_pending = false;
static bool response_pending = true;
static bool vr_vrf_assign_dump = false;
static int dump_marker = -1, var_marker = -1;
static int8_t vr_ifmac[6];
static struct ether_addr *mac_opt;
static void Usage(void);
static struct vr_util_flags flag_metadata[] = {
{VIF_FLAG_POLICY_ENABLED, "P", "Policy" },
{VIF_FLAG_XCONNECT, "X", "Cross Connect" },
{VIF_FLAG_SERVICE_IF, "S", "Service Chain" },
{VIF_FLAG_MIRROR_RX, "Mr", "Receive Mirror" },
{VIF_FLAG_MIRROR_TX, "Mt", "Transmit Mirror" },
{VIF_FLAG_TX_CSUM_OFFLOAD, "Tc", "Transmit Checksum Offload"},
{VIF_FLAG_L3_ENABLED, "L3", "Layer 3" },
{VIF_FLAG_L2_ENABLED, "L2", "Layer 2" },
{VIF_FLAG_DHCP_ENABLED, "D", "DHCP" },
{VIF_FLAG_VHOST_PHYS, "Vp", "Vhost Physical" },
{VIF_FLAG_PROMISCOUS, "Pr", "Promiscuous" },
{VIF_FLAG_NATIVE_VLAN_TAG, "Vnt", "Native Vlan Tagged"},
{VIF_FLAG_NO_ARP_PROXY, "Mnp", "No MAC Proxy" },
{VIF_FLAG_PMD, "Dpdk", "DPDK PMD Interface"},
{VIF_FLAG_FILTERING_OFFLOAD,"Rfl", "Receive Filtering Offload"},
{VIF_FLAG_MONITORED, "Mon", "Interface is Monitored"},
{VIF_FLAG_UNKNOWN_UC_FLOOD, "Uuf", "Unknown Unicast Flood"},
};
static char *
vr_get_if_type_string(int t)
{
switch (t) {
case VIF_TYPE_HOST:
return "Host";
case VIF_TYPE_AGENT:
return "Agent";
case VIF_TYPE_PHYSICAL:
return "Physical";
case VIF_TYPE_VIRTUAL:
return "Virtual";
case VIF_TYPE_XEN_LL_HOST:
return "XenLL";
case VIF_TYPE_GATEWAY:
return "Gateway";
case VIF_TYPE_STATS:
return "Stats";
case VIF_TYPE_VIRTUAL_VLAN:
return "Virtual(Vlan)";
case VIF_TYPE_MONITORING:
return "Monitoring";
default:
return "Invalid";
}
return NULL;
}
static unsigned int
vr_get_if_type(char *type_str)
{
if (!strncmp(type_str, VHOST_TYPE_STRING,
strlen(VHOST_TYPE_STRING)))
return VIF_TYPE_HOST;
else if (!strncmp(type_str, AGENT_TYPE_STRING,
strlen(AGENT_TYPE_STRING)))
return VIF_TYPE_AGENT;
else if (!strncmp(type_str, PHYSICAL_TYPE_STRING,
strlen(PHYSICAL_TYPE_STRING)))
return VIF_TYPE_PHYSICAL;
else if (!strncmp(type_str, VIRTUAL_VLAN_TYPE_STRING,
strlen(VIRTUAL_VLAN_TYPE_STRING)))
return VIF_TYPE_VIRTUAL_VLAN;
else if (!strncmp(type_str, VIRTUAL_TYPE_STRING,
strlen(VIRTUAL_TYPE_STRING)))
return VIF_TYPE_VIRTUAL;
else if (!strncmp(type_str, XEN_LL_TYPE_STRING,
strlen(XEN_LL_TYPE_STRING)))
return VIF_TYPE_XEN_LL_HOST;
else if (!strncmp(type_str, GATEWAY_TYPE_STRING,
strlen(GATEWAY_TYPE_STRING)))
return VIF_TYPE_GATEWAY;
else if (!strncmp(type_str, STATS_TYPE_STRING,
strlen(STATS_TYPE_STRING)))
return VIF_TYPE_STATS;
else if (!strncmp(type_str, MONITORING_TYPE_STRING,
strlen(MONITORING_TYPE_STRING)))
return VIF_TYPE_MONITORING;
else
Usage();
return 0;
}
static char *
vr_if_flags(int flags)
{
unsigned int i, array_size;
bzero(flag_string, sizeof(flag_string));
array_size = sizeof(flag_metadata) / sizeof(flag_metadata[0]);
for (i = 0; i < array_size; i++) {
if (flags & flag_metadata[i].vuf_flag)
strcat(flag_string, flag_metadata[i].vuf_flag_symbol);
}
return flag_string;
}
static void
vr_interface_print_header(void)
{
unsigned int i, array_size;
array_size = sizeof(flag_metadata) / sizeof(flag_metadata[0]);
printf("Vrouter Interface Table\n\n");
printf("Flags: ");
for (i = 0; i < array_size; i++) {
if (i) {
if (!(i % 4))
printf("\n ");
else
printf(", ");
}
printf("%s=%s", flag_metadata[i].vuf_flag_symbol,
flag_metadata[i].vuf_flag_string);
}
printf("\n\n");
return;
}
void
vr_vrf_assign_req_process(void *s)
{
vr_vrf_assign_req *req = (vr_vrf_assign_req *)s;
printf("%d:%d, ", req->var_vlan_id, req->var_vif_vrf);
var_marker = req->var_vlan_id;
return;
}
static void
vr_interface_print_head_space(void)
{
int i;
for (i = 0; i < 12; i++)
printf(" ");
return;
}
char *
vr_if_transport_string(vr_interface_req *req)
{
switch (req->vifr_transport) {
case VIF_TRANSPORT_VIRTUAL:
return "Virtual";
break;
case VIF_TRANSPORT_ETH:
return "Ethernet";
break;
case VIF_TRANSPORT_PMD:
return "PMD";
break;
case VIF_TRANSPORT_SOCKET:
return "Socket";
break;
default:
break;
}
return "Unknown";
}
void
vr_interface_req_process(void *s)
{
char name[50];
int platform = get_platform();
unsigned int printed = 0, i;
uint16_t proto, port;
vr_interface_req *req = (vr_interface_req *)s;
if (add_set)
vr_ifindex = req->vifr_idx;
if (!get_set && !list_set)
return;
printed = printf("vif%d/%d", req->vifr_rid, req->vifr_idx);
for (; printed < 12; printed++)
printf(" ");
if (req->vifr_flags & VIF_FLAG_PMD) {
printf("PMD: %d", req->vifr_os_idx);
} else if (platform == DPDK_PLATFORM) {
switch (req->vifr_type) {
case VIF_TYPE_PHYSICAL:
printf("PCI: %d:%d:%d.%d",
(req->vifr_os_idx >> 16), (req->vifr_os_idx >> 8) & 0xFF,
(req->vifr_os_idx >> 3) & 0x1F, (req->vifr_os_idx & 0x7));
break;
case VIF_TYPE_MONITORING:
printf("Monitoring: %s for vif%d/%d", req->vifr_name,
req->vifr_rid, req->vifr_os_idx);
break;
default:
if (req->vifr_name)
printf("%s: %s", vr_if_transport_string(req),
req->vifr_name);
break;
}
} else {
printf("OS: %s", req->vifr_os_idx ?
if_indextoname(req->vifr_os_idx, name): "NULL");
}
if (req->vifr_type == VIF_TYPE_PHYSICAL) {
if (req->vifr_speed >= 0) {
printf(" (Speed %d,", req->vifr_speed);
if (req->vifr_duplex >= 0)
printf(" Duplex %d", req->vifr_duplex);
printf(")");
}
} else if (req->vifr_type == VIF_TYPE_VIRTUAL_VLAN) {
printf(" Vlan(o/i)(,S): %d/%d", req->vifr_ovlan_id, req->vifr_vlan_id);
if (req->vifr_src_mac_size && req->vifr_src_mac)
printf(", "MAC_FORMAT, MAC_VALUE((uint8_t *)req->vifr_src_mac));
printf(" Bridge Index: %d", req->vifr_bridge_idx);
}
if (req->vifr_parent_vif_idx >= 0)
printf(" Parent:vif0/%d", req->vifr_parent_vif_idx);
printf("\n");
vr_interface_print_head_space();
printf("Type:%s HWaddr:"MAC_FORMAT" IPaddr:%x\n",
vr_get_if_type_string(req->vifr_type),
MAC_VALUE((uint8_t *)req->vifr_mac), req->vifr_ip);
vr_interface_print_head_space();
printf("Vrf:%d Flags:%s MTU:%d Ref:%d\n", req->vifr_vrf,
req->vifr_flags ? vr_if_flags(req->vifr_flags) : "NULL" ,
req->vifr_mtu, req->vifr_ref_cnt);
vr_interface_print_head_space();
printf("RX packets:%" PRId64 " bytes:%" PRId64 " errors:%" PRId64 "\n",
req->vifr_ipackets,
req->vifr_ibytes, req->vifr_ierrors);
vr_interface_print_head_space();
printf("TX packets:%" PRId64 " bytes:%" PRId64 " errors:%" PRId64 "\n",
req->vifr_opackets,
req->vifr_obytes, req->vifr_oerrors);
if (req->vifr_fat_flow_protocol_port_size) {
vr_interface_print_head_space();
printed = 0;
printed += printf("FatFlows (Protocol/Port): ");
for (i = 0; i < req->vifr_fat_flow_protocol_port_size; i++) {
proto = VIF_FAT_FLOW_PROTOCOL(req->vifr_fat_flow_protocol_port[i]);
port = VIF_FAT_FLOW_PORT(req->vifr_fat_flow_protocol_port[i]);
if (!proto) {
proto = port;
port = 0;
}
printed += printf("%d:", proto);
if (port) {
printed += printf("%d", port);
} else {
printed += printf("%c", '*');
}
if (i == (req->vifr_fat_flow_protocol_port_size - 1)) {
printf("\n");
} else if (printed > 68) {
printf("\n");
printed = 0;
vr_interface_print_head_space();
/* %10 corresponds to "FatFlows: " */
printed += printf("%10c", ' ');
} else {
printf(", ");
}
}
}
printf("\n");
if (list_set)
dump_marker = req->vifr_idx;
if (get_set && req->vifr_flags & VIF_FLAG_SERVICE_IF) {
vr_vrf_assign_dump = true;
printf("VRF table(vlan:vrf):\n");
vr_ifindex = req->vifr_idx;
}
if (vr_op != SANDESH_OP_DUMP)
response_pending = false;
return;
}
void
vr_response_process(void *s)
{
vr_response *resp = (vr_response *)s;
response_pending = false;
if (resp->resp_code < 0 && !ignore_error)
printf("%s\n", strerror(-resp->resp_code));
if (vr_op == SANDESH_OP_DUMP) {
if (resp->resp_code > 0)
response_pending = true;
if (resp->resp_code & VR_MESSAGE_DUMP_INCOMPLETE) {
response_pending = true;
dump_pending = true;
} else {
dump_pending = false;
}
} else if (vr_op == SANDESH_OP_GET && vr_vrf_assign_dump) {
if (!(resp->resp_code & VR_MESSAGE_DUMP_INCOMPLETE)) {
vr_vrf_assign_dump = false;
}
}
return;
}
/*
* create vhost interface in linux
*/
static int
vhost_create(void)
{
int ret;
#if defined(__linux__)
struct vn_if vhost;
struct nl_response *resp;
bzero(&vhost, sizeof(vhost));
strncpy(vhost.if_name, if_name, sizeof(vhost.if_name) - 1);
strncpy(vhost.if_kind, VHOST_KIND, sizeof(vhost.if_kind) - 1);
memcpy(vhost.if_mac, vr_ifmac, sizeof(vhost.if_mac));
ret = nl_build_if_create_msg(cl, &vhost, 0);
if (ret)
return ret;
ret = nl_sendmsg(cl);
if (ret <= 0)
return ret;
if ((ret = nl_recvmsg(cl)) > 0) {
resp = nl_parse_reply(cl);
if (resp && resp->nl_op)
printf("%s\n", strerror(resp->nl_op));
}
#elif defined(__FreeBSD__)
struct ifreq ifr = { 0 };
int s;
int errsv;
s = socket(PF_LOCAL, SOCK_DGRAM, 0);
if (s < 0) {
ret = s;
errsv = errno;
fprintf(stderr, "vhost_create: Failed to open socket.\n");
goto ending;
}
strncpy(ifr.ifr_name, if_name, sizeof(ifr.ifr_name) - 1);
ret = ioctl(s, SIOCIFCREATE, &ifr);
if (ret < 0) {
errsv = errno;
fprintf(stderr, "vhost_create: Failed to create interface.\n");
goto ending;
}
if (mac_set) {
memcpy(ifr.ifr_addr.sa_data, vr_ifmac, ETHER_ADDR_LEN);
ifr.ifr_addr.sa_len = ETHER_ADDR_LEN;
ifr.ifr_addr.sa_family = AF_LOCAL;
ret = ioctl(s, SIOCSIFLLADDR, &ifr);
if (ret < 0) {
errsv = errno;
fprintf(stderr, "vhost_create: Failed to set MAC address.\n");
goto ending;
}
}
ending:
if (ret < 0)
fprintf(stderr, "vhost_create: %s.\n", strerror(errsv));
if (s >=0)
close(s);
#else
#error "Unsupported platform"
#endif
return ret;
}
static int
vr_intf_send_msg(void *request, char *request_string)
{
int ret, error, attr_len;
struct nl_response *resp;
struct nlmsghdr *nlh;
/* nlmsg header */
ret = nl_build_nlh(cl, cl->cl_genl_family_id, NLM_F_REQUEST);
if (ret) {
return ret;
}
/* Generic nlmsg header */
ret = nl_build_genlh(cl, SANDESH_REQUEST, 0);
if (ret) {
return ret;
}
attr_len = nl_get_attr_hdr_size();
error = 0;
ret = sandesh_encode(request, request_string, vr_find_sandesh_info,
(nl_get_buf_ptr(cl) + attr_len),
(nl_get_buf_len(cl) - attr_len), &error);
if (ret <= 0) {
return ret;
}
/* Add sandesh attribute */
nl_build_attr(cl, ret, NL_ATTR_VR_MESSAGE_PROTOCOL);
nl_update_nlh(cl);
response_pending = true;
/* Send the request to kernel */
ret = nl_sendmsg(cl);
while (response_pending) {
if ((ret = nl_recvmsg(cl)) > 0) {
resp = nl_parse_reply(cl);
if (resp->nl_op == SANDESH_REQUEST) {
sandesh_decode(resp->nl_data, resp->nl_len,
vr_find_sandesh_info, &ret);
} else if (resp->nl_type == NL_MSG_TYPE_DONE) {
response_pending = false;
}
}
nlh = (struct nlmsghdr *)cl->cl_buf;
if (!nlh->nlmsg_flags)
break;
}
return 0;
}
static int
vr_intf_set(void)
{
vr_vrf_assign_req va_req;
va_req.h_op = SANDESH_OP_ADD;
va_req.var_rid = 0;
va_req.var_vif_index = vr_ifindex;
va_req.var_vif_vrf = vrf_id;
va_req.var_vlan_id = vlan_id;
return vr_intf_send_msg(&va_req, "vr_vrf_assign_req");
}
static int
vr_vrf_assign_dump_request(void)
{
vr_vrf_assign_req va_req;
va_req.h_op = SANDESH_OP_DUMP;
va_req.var_vif_index = vr_ifindex;
va_req.var_marker = var_marker;
while (vr_vrf_assign_dump)
vr_intf_send_msg(&va_req, "vr_vrf_assign_req");
printf("\n");
return 0;
}
static int
vr_intf_op(unsigned int op)
{
int ret;
vr_interface_req intf_req;
int platform = get_platform();
if (create_set)
return vhost_create();
op_retry:
memset(&intf_req, 0 , sizeof(intf_req));
if (set_set)
intf_req.vifr_vrf = -1;
else
intf_req.vifr_vrf = vrf_id;
intf_req.h_op = op;
intf_req.vifr_mac_size = 6;
intf_req.vifr_mac = vr_ifmac;
intf_req.vifr_ip = 0;
intf_req.vifr_name = if_name;
if (op == SANDESH_OP_DUMP)
intf_req.vifr_marker = dump_marker;
switch (op) {
case SANDESH_OP_ADD:
if (if_kindex < 0)
if_kindex = 0;
intf_req.vifr_os_idx = if_kindex;
if (vr_ifindex < 0)
vr_ifindex = if_kindex;
if (vindex_set)
intf_req.vifr_idx = vif_index;
else
intf_req.vifr_idx = vr_ifindex;
intf_req.vifr_rid = 0;
intf_req.vifr_type = vr_if_type;
if (vr_if_type == VIF_TYPE_HOST) {
intf_req.vifr_cross_connect_idx = if_xconnect_kindex;
} else if (vr_if_type == VIF_TYPE_MONITORING) {
if (platform == DPDK_PLATFORM) {
/* we carry vif index in OS index field */
intf_req.vifr_os_idx = if_vif_index;
} else {
printf("Error adding interface: " MONITORING_TYPE_STRING
" type should be used for vRouter/DPDK only\n");
exit(-EINVAL);
}
}
intf_req.vifr_flags = vr_ifflags;
break;
case SANDESH_OP_DELETE:
intf_req.vifr_idx = vr_ifindex;
break;
case SANDESH_OP_GET:
/*
* this logic is slightly complicated. if --kernel option is set
* for get or when if_kindex is set for add doing a get, we should
* get true in the first if. else it is a regular get with vr ifindex
*/
if (kindex_set || if_kindex != -1) {
intf_req.vifr_idx = -1;
if (vr_ifindex >= 0)
intf_req.vifr_os_idx = vr_ifindex;
else
intf_req.vifr_os_idx = if_kindex;
} else
intf_req.vifr_idx = vr_ifindex;
break;
case SANDESH_OP_DUMP:
break;
}
/* only want to print the first time */
if (((op == SANDESH_OP_DUMP) && !(dump_pending))
|| (op == SANDESH_OP_GET)) {
vr_interface_print_header();
}
ret = vr_intf_send_msg(&intf_req, "vr_interface_req");
if (ret < 0)
return ret;
if (set_set)
ret = vr_intf_set();
else if (get_set)
if (vr_vrf_assign_dump)
ret = vr_vrf_assign_dump_request();
if (dump_pending)
goto op_retry;
return 0;
}
static void
Usage()
{
printf("Usage: vif [--create <intf_name> --mac <mac>]\n");
printf("\t [--add <intf_name> --mac <mac> --vrf <vrf>\n");
printf("\t \t--type [vhost|agent|physical|virtual|monitoring]\n");
printf("\t \t--xconnect <physical interface name>\n");
printf("\t \t--policy, --vhost-phys, --dhcp-enable]\n");
printf("\t \t--vif <vif ID>]\n");
printf( "[--id <intf_id> --pmd --pci]\n");
printf("\t [--delete <intf_id>]\n");
printf("\t [--get <intf_id>][--kernel]\n");
printf("\t [--set <intf_id> --vlan <vlan_id> --vrf <vrf_id>]\n");
printf("\t [--list]\n");
printf("\t [--help]\n");
exit(0);
}
enum if_opt_index {
ADD_OPT_INDEX,
CREATE_OPT_INDEX,
GET_OPT_INDEX,
LIST_OPT_INDEX,
VRF_OPT_INDEX,
MAC_OPT_INDEX,
DELETE_OPT_INDEX,
POLICY_OPT_INDEX,
PMD_OPT_INDEX,
PCI_OPT_INDEX,
KINDEX_OPT_INDEX,
TYPE_OPT_INDEX,
SET_OPT_INDEX,
VLAN_OPT_INDEX,
XCONNECT_OPT_INDEX,
VIF_OPT_INDEX,
DHCP_OPT_INDEX,
VHOST_PHYS_OPT_INDEX,
HELP_OPT_INDEX,
VINDEX_OPT_INDEX,
MAX_OPT_INDEX
};
static struct option long_options[] = {
[ADD_OPT_INDEX] = {"add", required_argument, &add_set, 1},
[CREATE_OPT_INDEX] = {"create", required_argument, &create_set, 1},
[GET_OPT_INDEX] = {"get", required_argument, &get_set, 1},
[LIST_OPT_INDEX] = {"list", no_argument, &list_set, 1},
[VRF_OPT_INDEX] = {"vrf", required_argument, &vrf_set, 1},
[MAC_OPT_INDEX] = {"mac", required_argument, &mac_set, 1},
[DELETE_OPT_INDEX] = {"delete", required_argument, &delete_set, 1},
[POLICY_OPT_INDEX] = {"policy", no_argument, &policy_set, 1},
[PMD_OPT_INDEX] = {"pmd", no_argument, &pmd_set, 1},
[PCI_OPT_INDEX] = {"pci", no_argument, &pci_set, 1},
[KINDEX_OPT_INDEX] = {"kernel", no_argument, &kindex_set, 1},
[TYPE_OPT_INDEX] = {"type", required_argument, &type_set, 1},
[SET_OPT_INDEX] = {"set", required_argument, &set_set, 1},
[VLAN_OPT_INDEX] = {"vlan", required_argument, &vlan_set, 1},
[VHOST_PHYS_OPT_INDEX] = {"vhost-phys", no_argument, &vhost_phys_set, 1},
[XCONNECT_OPT_INDEX] = {"xconnect", required_argument, &xconnect_set, 1},
[VIF_OPT_INDEX] = {"vif", required_argument, &vif_set, 1},
[DHCP_OPT_INDEX] = {"dhcp-enable", no_argument, &dhcp_set, 1},
[HELP_OPT_INDEX] = {"help", no_argument, &help_set, 1},
[VINDEX_OPT_INDEX] = {"id", required_argument, &vindex_set, 1},
[MAX_OPT_INDEX] = { NULL, 0, NULL, 0},
};
static void
parse_long_opts(int option_index, char *opt_arg)
{
errno = 0;
if (!*(long_options[option_index].flag))
*(long_options[option_index].flag) = 1;
switch (option_index) {
case ADD_OPT_INDEX:
strncpy(if_name, opt_arg, sizeof(if_name) - 1);
if_kindex = if_nametoindex(opt_arg);
if (isdigit(opt_arg[0]))
if_pmdindex = strtol(opt_arg, NULL, 0);
vr_op = SANDESH_OP_ADD;
break;
case CREATE_OPT_INDEX:
strncpy(if_name, opt_arg, sizeof(if_name) - 1);
break;
case VRF_OPT_INDEX:
vrf_id = strtoul(opt_arg, NULL, 0);
if (errno)
Usage();
break;
case MAC_OPT_INDEX:
mac_opt = ether_aton(opt_arg);
if (mac_opt)
memcpy(vr_ifmac, mac_opt, sizeof(vr_ifmac));
break;
case DELETE_OPT_INDEX:
vr_op = SANDESH_OP_DELETE;
vr_ifindex = strtoul(opt_arg, NULL, 0);
if (errno)
Usage();
break;
case GET_OPT_INDEX:
vr_op = SANDESH_OP_GET;
vr_ifindex = strtoul(opt_arg, NULL, 0);
if (errno)
Usage();
break;
case VINDEX_OPT_INDEX:
vif_index = strtoul(opt_arg, NULL, 0);
if (errno)
Usage();
break;
case POLICY_OPT_INDEX:
vr_ifflags |= VIF_FLAG_POLICY_ENABLED;
break;
case PMD_OPT_INDEX:
vr_ifflags |= VIF_FLAG_PMD;
break;
case LIST_OPT_INDEX:
vr_op = SANDESH_OP_DUMP;
break;
case TYPE_OPT_INDEX:
vr_if_type = vr_get_if_type(optarg);
if (vr_if_type == VIF_TYPE_HOST)
need_xconnect_if = true;
if (vr_if_type == VIF_TYPE_MONITORING) {
need_vif_id = true;
/* set default values for mac and vrf */
vrf_id = 0;
vrf_set = 1;
vr_ifmac[0] = 0x2; /* locally administered */
mac_set = 1;
}
break;
case SET_OPT_INDEX:
vr_op = SANDESH_OP_ADD;
vr_ifindex = strtoul(opt_arg, NULL, 0);
if (errno)
Usage();
break;
case VLAN_OPT_INDEX:
vr_ifflags |= VIF_FLAG_SERVICE_IF;
vlan_id = strtoul(opt_arg, NULL, 0);
if (errno)
Usage();
break;
case XCONNECT_OPT_INDEX:
if_xconnect_kindex = if_nametoindex(opt_arg);
if (isdigit(opt_arg[0])) {
if_pmdindex = strtol(opt_arg, NULL, 0);
} else if (!if_xconnect_kindex) {
printf("%s does not seem to be a valid physical interface name\n",
opt_arg);
Usage();
}
break;
case VIF_OPT_INDEX:
if_vif_index = strtol(opt_arg, NULL, 0);
vr_ifmac[sizeof(vr_ifmac) - 1] = if_vif_index & 0xFF;
break;
case DHCP_OPT_INDEX:
vr_ifflags |= VIF_FLAG_DHCP_ENABLED;
break;
case VHOST_PHYS_OPT_INDEX:
vr_ifflags |= VIF_FLAG_VHOST_PHYS;
break;
default:
break;
}
return;
}
static void
validate_options(void)
{
unsigned int sum_opt = 0, i;
for (i = 0; i < (sizeof(long_options) / sizeof(long_options[0]));
i++) {
if (long_options[i].flag)
sum_opt += *(long_options[i].flag);
}
if (!sum_opt || help_set)
Usage();
if (pmd_set || pci_set) {
if_kindex = if_pmdindex;
if_xconnect_kindex = if_pmdindex;
}
if (create_set) {
if ((sum_opt > 1) && (sum_opt != 2 || !mac_set))
Usage();
return;
}
if (get_set) {
if ((sum_opt > 1) && (sum_opt != 2 || !kindex_set))
Usage();
return;
}
if ((delete_set || list_set)) {
if (sum_opt > 1)
Usage();
return;
}
if (add_set) {
if (get_set || list_set)
Usage();
if (!vrf_set || !mac_set || !type_set)
Usage();
if (need_xconnect_if && !xconnect_set)
Usage();
if (need_vif_id && !vif_set)
Usage();
return;
}
if (set_set) {
if (sum_opt != 3 || !vrf_set || !vlan_set)
Usage();
return;
}
return;
}
int
main(int argc, char *argv[])
{
int ret, opt, option_index;
/*
* the proto of the socket changes based on whether we are creating an
* interface in linux or doing an operation in vrouter
*/
unsigned int sock_proto = NETLINK_GENERIC;
while ((opt = getopt_long(argc, argv, "ba:c:d:g:klm:t:v:p:DPi:",
long_options, &option_index)) >= 0) {
switch (opt) {
case 'a':
add_set = 1;
parse_long_opts(ADD_OPT_INDEX, optarg);
break;
case 'c':
create_set = 1;
parse_long_opts(CREATE_OPT_INDEX, optarg);
break;
case 'd':
delete_set = 1;
parse_long_opts(DELETE_OPT_INDEX, optarg);
break;
case 'g':
get_set = 1;
parse_long_opts(GET_OPT_INDEX, optarg);
break;
case 'k':
parse_long_opts(KINDEX_OPT_INDEX, optarg);
kindex_set = 1;
break;
case 'l':
case 'b':
list_set = 1;
parse_long_opts(LIST_OPT_INDEX, NULL);
break;
case 'm':
mac_set = 1;
parse_long_opts(MAC_OPT_INDEX, optarg);
break;
case 'v':
vrf_set = 1;
parse_long_opts(VRF_OPT_INDEX, optarg);
break;
case 'p':
policy_set = 1;
parse_long_opts(POLICY_OPT_INDEX, NULL);
break;
case 'D':
pmd_set = 1;
parse_long_opts(PMD_OPT_INDEX, NULL);
break;
case 'P':
pci_set = 1;
parse_long_opts(PCI_OPT_INDEX, NULL);
break;
case 't':
type_set = 1;
parse_long_opts(TYPE_OPT_INDEX, optarg);