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authorLorenzo Colitti <lorenzo@google.com>2017-11-24 04:38:29 +0000
committerandroid-build-merger <android-build-merger@google.com>2017-11-24 04:38:29 +0000
commit2d868b48b2f313deb4853e8ac5047d05132969c5 (patch)
tree4a56d9683737ec68d8f0e5615abfea118eec6426 /testsuite/tools/generate_nlmsg.c
parent1934149f47ee4dfe2b22258c2e18f55a510b5889 (diff)
parentff27a837e601b1f0331b4700c167107b38475e31 (diff)
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am: ff27a837e6 Change-Id: I9bbf3abcb11c1f81c33de67dbe8ea88898fe8fa5
Diffstat (limited to 'testsuite/tools/generate_nlmsg.c')
-rw-r--r--testsuite/tools/generate_nlmsg.c116
1 files changed, 116 insertions, 0 deletions
diff --git a/testsuite/tools/generate_nlmsg.c b/testsuite/tools/generate_nlmsg.c
new file mode 100644
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--- /dev/null
+++ b/testsuite/tools/generate_nlmsg.c
@@ -0,0 +1,116 @@
+/*
+ * generate_nlmsg.c Testsuite helper generating nlmsg blob
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * 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;
+}