iproute2/testsuite/tools/generate_nlmsg.c
Stephen Hemminger 2a5fb175fa testsuite: use SPDX
Replace boilerplate with SPDX tag.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
2023-01-14 09:00:34 -08:00

113 lines
3.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* generate_nlmsg.c Testsuite helper generating nlmsg blob
*
* Authors: Phil Sutter <phil@nwl.cc>
*/
#include <netinet/ether.h>
#include <libnetlink.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <errno.h>
#include <stdio.h>
int fill_vf_rate_test(void *buf, size_t buflen)
{
char bcmac[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
struct ifla_vf_mac vf_mac = {
.mac = { 0x0, 0x26, 0x6c, 0xff, 0xb5, 0xc0 },
};
struct ifla_vf_link_state vf_link_state = { 0 };
struct ifla_vf_tx_rate vf_tx_rate = { 0 };
struct ifla_vf_spoofchk vf_spoofchk = {
.setting = 1,
};
struct ifla_vf_vlan vf_vlan = { 0 };
struct rtattr *vfinfo_list, *vfinfo;
struct nlmsghdr *h = buf;
struct ifinfomsg *ifi;
h->nlmsg_type = RTM_NEWLINK;
h->nlmsg_len = NLMSG_LENGTH(sizeof(*ifi));
ifi = NLMSG_DATA(h);
ifi->ifi_type = ARPHRD_ETHER;
ifi->ifi_index = 1;
ifi->ifi_flags = IFF_RUNNING | IFF_BROADCAST |
IFF_MULTICAST | IFF_UP | IFF_LOWER_UP;
#define ASSERT(x) if (x < 0) return -1
#define ATTR_L(t, v, l) ASSERT(addattr_l(h, buflen, t, v, l))
#define ATTR_8(t, v) ASSERT(addattr8(h, buflen, t, v))
#define ATTR_32(t, v) ASSERT(addattr32(h, buflen, t, v))
#define ATTR_STRZ(t, v) ASSERT(addattrstrz(h, buflen, t, v))
#define NEST(t) addattr_nest(h, buflen, t)
#define NEST_END(t) addattr_nest_end(h, t)
ATTR_STRZ(IFLA_IFNAME, "eth0");
ATTR_32(IFLA_TXQLEN, 10000);
ATTR_8(IFLA_OPERSTATE, 6);
ATTR_8(IFLA_LINKMODE, 0);
ATTR_32(IFLA_MTU, 9000);
ATTR_32(IFLA_GROUP, 0);
ATTR_32(IFLA_PROMISCUITY, 0);
ATTR_32(IFLA_NUM_TX_QUEUES, 8);
ATTR_32(IFLA_NUM_RX_QUEUES, 8);
ATTR_8(IFLA_CARRIER, 1);
ATTR_STRZ(IFLA_QDISC, "mq");
ATTR_L(IFLA_ADDRESS, vf_mac.mac, ETH_ALEN);
ATTR_L(IFLA_BROADCAST, bcmac, sizeof(bcmac));
ATTR_32(IFLA_NUM_VF, 2);
vfinfo_list = NEST(IFLA_VFINFO_LIST);
vfinfo = NEST(IFLA_VF_INFO);
ATTR_L(IFLA_VF_MAC, &vf_mac, sizeof(vf_mac));
ATTR_L(IFLA_VF_VLAN, &vf_vlan, sizeof(vf_vlan));
ATTR_L(IFLA_VF_TX_RATE, &vf_tx_rate, sizeof(vf_tx_rate));
ATTR_L(IFLA_VF_SPOOFCHK, &vf_spoofchk, sizeof(vf_spoofchk));
ATTR_L(IFLA_VF_LINK_STATE, &vf_link_state, sizeof(vf_link_state));
NEST_END(vfinfo);
vf_mac.vf = vf_vlan.vf = vf_tx_rate.vf = 1;
vf_spoofchk.vf = vf_link_state.vf = 1;
vfinfo = NEST(IFLA_VF_INFO);
ATTR_L(IFLA_VF_MAC, &vf_mac, sizeof(vf_mac));
ATTR_L(IFLA_VF_VLAN, &vf_vlan, sizeof(vf_vlan));
ATTR_L(IFLA_VF_TX_RATE, &vf_tx_rate, sizeof(vf_tx_rate));
ATTR_L(IFLA_VF_SPOOFCHK, &vf_spoofchk, sizeof(vf_spoofchk));
ATTR_L(IFLA_VF_LINK_STATE, &vf_link_state, sizeof(vf_link_state));
NEST_END(vfinfo);
NEST_END(vfinfo_list);
return h->nlmsg_len;
}
int main(void)
{
char buf[16384] = { 0 };
int msglen;
FILE *fp;
msglen = fill_vf_rate_test(buf, sizeof(buf));
if (msglen < 0) {
fprintf(stderr, "fill_vf_rate_test() failed!\n");
return 1;
}
fp = fopen("tests/ip/link/dev_wo_vf_rate.nl", "w");
if (!fp) {
perror("fopen()");
return 1;
}
if (fwrite(buf, msglen, 1, fp) != 1) {
perror("fwrite()");
return 1;
}
fclose(fp);
return 0;
}