static int rereg_port_gid(int port, int agent, ib_portid_t * dport,
uint8_t * umad, int len, ibmad_gid_t port_gid)
{
uint8_t data[IB_SA_DATA_SIZE];
uint64_t comp_mask;
comp_mask = build_mcm_rec(data, mgid_ipoib, port_gid);
build_mcm_rec_umad(umad, dport, IB_MAD_METHOD_DELETE, comp_mask, data);
if (umad_send(port, agent, umad, len, TMO, 0) < 0) {
err("umad_send leave failed: %s\n", strerror(errno));
return -1;
}
dbg("umad_send leave: tid = 0x%016" PRIx64 "\n",
mad_get_field64(umad_get_mad(umad), 0, IB_MAD_TRID_F));
build_mcm_rec_umad(umad, dport, IB_MAD_METHOD_SET, comp_mask, data);
if (umad_send(port, agent, umad, len, TMO, 0) < 0) {
err("umad_send join failed: %s\n", strerror(errno));
return -1;
}
dbg("umad_send join: tid = 0x%016" PRIx64 "\n",
mad_get_field64(umad_get_mad(umad), 0, IB_MAD_TRID_F));
return 0;
}
static int
_do_madrpc(int port_id, void *sndbuf, void *rcvbuf, int agentid, int len,
int timeout)
{
uint32_t trid; /* only low 32 bits */
int retries;
int length, status;
if (!timeout)
timeout = def_madrpc_timeout;
if (ibdebug > 1) {
IBWARN(">>> sending: len %d pktsz %zu", len, umad_size() + len);
xdump(stderr, "send buf\n", sndbuf, umad_size() + len);
}
if (save_mad) {
memcpy(save_mad, umad_get_mad(sndbuf),
save_mad_len < len ? save_mad_len : len);
save_mad = 0;
}
trid = mad_get_field64(umad_get_mad(sndbuf), 0, IB_MAD_TRID_F);
for (retries = 0; retries < madrpc_retries; retries++) {
if (retries) {
ERRS("retry %d (timeout %d ms)", retries, timeout);
}
length = len;
if (umad_send(port_id, agentid, sndbuf, length, timeout, 0) < 0) {
IBWARN("send failed; %s", strerror(errno));
return -1;
}
/* Use same timeout on receive side just in case */
/* send packet is lost somewhere. */
do {
if (umad_recv(port_id, rcvbuf, &length, timeout) < 0) {
IBWARN("recv failed: %s", strerror(errno));
return -1;
}
if (ibdebug > 1) {
IBWARN("rcv buf:");
xdump(stderr, "rcv buf\n", umad_get_mad(rcvbuf), IB_MAD_SIZE);
}
} while ((uint32_t)mad_get_field64(umad_get_mad(rcvbuf), 0, IB_MAD_TRID_F) != trid);
status = umad_status(rcvbuf);
if (!status)
return length; /* done */
if (status == ENOMEM)
return length;
}
ERRS("timeout after %d retries, %d ms", retries, timeout * retries);
return -1;
}
/* Returns 0 (invalid base version) on error */
static uint8_t get_base_version_from_ni(int fd, uint32_t aid, int pkey_index)
{
uint8_t rc;
void *umad_p = NULL;
struct umad_smp *send_mad;
size_t length;
umad_p = umad_alloc(1, sizeof(*send_mad) + umad_size());
if (!umad_p) {
OUTPUT_ERROR ("can't alloc umad for OPA check; send_size %ld\n", sizeof(*send_mad));
return 0;
}
memset(umad_p, 0, sizeof(*send_mad) + umad_size());
umad_set_grh(umad_p, 0);
send_mad = umad_get_mad(umad_p);
send_mad->base_version = UMAD_BASE_VERSION;
send_mad->mgmt_class = UMAD_CLASS_SUBN_DIRECTED_ROUTE;
send_mad->class_version = 0x01;
send_mad->method = UMAD_METHOD_GET;
send_mad->tid = htonl(0xDEADBEEF);
send_mad->attr_id = htons(UMAD_SM_ATTR_NODE_INFO);
send_mad->dr_slid = 0xffff;
send_mad->dr_dlid = 0xffff;
umad_set_pkey(umad_p, pkey_index);
umad_set_addr(umad_p, 0xffff, 0, 0, 0);
rc = 0;
if (umad_send(fd, aid, umad_p, sizeof(*send_mad), 100, 1) < 0)
goto free_mad;
length = sizeof(*send_mad);
if (umad_recv(fd, umad_p, (int *)&length, 100) < 0)
goto free_mad;
if (length < sizeof(*send_mad))
goto free_mad;
if (umad_status(umad_p) != 0)
goto free_mad;
rc = ((NODE_INFO *)(send_mad->data))->BaseVersion;
free_mad:
free(umad_p);
return rc;
}
static int server_respond(void *umad, int size)
{
ib_rpc_t rpc = { 0 };
ib_rmpp_hdr_t rmpp = { 0 };
ib_portid_t rport;
uint8_t *mad = umad_get_mad(umad);
ib_mad_addr_t *mad_addr;
if (!(mad_addr = umad_get_mad_addr(umad)))
return -1;
memset(&rport, 0, sizeof(rport));
rport.lid = ntohs(mad_addr->lid);
rport.qp = ntohl(mad_addr->qpn);
rport.qkey = ntohl(mad_addr->qkey);
rport.sl = mad_addr->sl;
if (!rport.qkey && rport.qp == 1)
rport.qkey = IB_DEFAULT_QP1_QKEY;
rpc.mgtclass = mad_get_field(mad, 0, IB_MAD_MGMTCLASS_F);
rpc.method = IB_MAD_METHOD_GET | IB_MAD_RESPONSE;
rpc.attr.id = mad_get_field(mad, 0, IB_MAD_ATTRID_F);
rpc.attr.mod = mad_get_field(mad, 0, IB_MAD_ATTRMOD_F);
rpc.oui = mad_get_field(mad, 0, IB_VEND2_OUI_F);
rpc.trid = mad_get_field64(mad, 0, IB_MAD_TRID_F);
if (size > IB_MAD_SIZE)
rmpp.flags = IB_RMPP_FLAG_ACTIVE;
DEBUG("responding %d bytes to %s, attr 0x%x mod 0x%x qkey %x",
size, portid2str(&rport), rpc.attr.id, rpc.attr.mod, rport.qkey);
if (mad_build_pkt(umad, &rpc, &rport, &rmpp, 0) < 0)
return -1;
if (ibdebug > 1)
xdump(stderr, "mad respond pkt\n", mad, IB_MAD_SIZE);
if (umad_send(mad_rpc_portid(srcport),
mad_rpc_class_agent(srcport, rpc.mgtclass), umad, size,
rpc.timeout, 0) < 0) {
DEBUG("send failed; %m");
return -1;
}
return 0;
}
static char *ibsystat(ib_portid_t * portid, int attr)
{
ib_rpc_t rpc = { 0 };
int fd, agent, timeout, len;
void *data = (uint8_t *) umad_get_mad(buf) + IB_VENDOR_RANGE2_DATA_OFFS;
DEBUG("Sysstat ping..");
rpc.mgtclass = IB_VENDOR_OPENIB_SYSSTAT_CLASS;
rpc.method = IB_MAD_METHOD_GET;
rpc.attr.id = attr;
rpc.attr.mod = 0;
rpc.oui = oui;
rpc.timeout = 0;
rpc.datasz = IB_VENDOR_RANGE2_DATA_SIZE;
rpc.dataoffs = IB_VENDOR_RANGE2_DATA_OFFS;
portid->qp = 1;
if (!portid->qkey)
portid->qkey = IB_DEFAULT_QP1_QKEY;
if ((len = mad_build_pkt(buf, &rpc, portid, NULL, NULL)) < 0)
IBPANIC("cannot build packet.");
fd = mad_rpc_portid(srcport);
agent = mad_rpc_class_agent(srcport, rpc.mgtclass);
timeout = ibd_timeout ? ibd_timeout : MAD_DEF_TIMEOUT_MS;
if (umad_send(fd, agent, buf, len, timeout, 0) < 0)
IBPANIC("umad_send failed.");
len = sizeof(buf) - umad_size();
if (umad_recv(fd, buf, &len, timeout) < 0)
IBPANIC("umad_recv failed.");
if (umad_status(buf))
return strerror(umad_status(buf));
DEBUG("Got sysstat pong..");
if (attr != IB_PING_ATTR)
puts(data);
else
printf("sysstat ping succeeded\n");
return 0;
}
static int rereg_send(int port, int agent, ib_portid_t * dport,
uint8_t * umad, int len, int method, ibmad_gid_t port_gid)
{
uint8_t data[IB_SA_DATA_SIZE];
uint64_t comp_mask;
comp_mask = build_mcm_rec(data, mgid_ipoib, port_gid);
build_mcm_rec_umad(umad, dport, method, comp_mask, data);
if (umad_send(port, agent, umad, len, TMO, 0) < 0) {
err("umad_send %s failed: %s\n",
(method == IB_MAD_METHOD_GET) ? "query" : "non query",
strerror(errno));
return -1;
}
dbg("umad_send %d: tid = 0x%016" PRIx64 "\n", method,
mad_get_field64(umad_get_mad(umad), 0, IB_MAD_TRID_F));
return 0;
}
/******************************************************************************
* join_multicast_group
******************************************************************************/
int join_multicast_group(subn_adm_method method,struct mcast_parameters *params) {
int portid = -1;
int agentid = -1;
void *umad_buff = NULL;
void *mad = NULL;
int length = MAD_SIZE;
int test_result = 0;
// mlid will be assigned to the new LID after the join
if (umad_init() < 0) {
fprintf(stderr, "failed to init the UMAD library\n");
goto cleanup;
}
/* use casting to loose the "const char0 *" */
portid = umad_open_port((char*)params->ib_devname,params->ib_port);
if (portid < 0) {
fprintf(stderr,"failed to open UMAD port %d\n",params->ib_port);
goto cleanup;
}
agentid = umad_register(portid,MANAGMENT_CLASS_SUBN_ADM, 2, 0, 0);
if (agentid < 0) {
fprintf(stderr,"failed to register UMAD agent for MADs\n");
goto cleanup;
}
umad_buff = umad_alloc(1, umad_size() + MAD_SIZE);
if (!umad_buff) {
fprintf(stderr, "failed to allocate MAD buffer\n");
goto cleanup;
}
mad = umad_get_mad(umad_buff);
prepare_mcast_mad(method,params,(struct sa_mad_packet_t *)mad);
if (umad_set_addr(umad_buff,params->sm_lid,1,params->sm_sl,QP1_WELL_KNOWN_Q_KEY) < 0) {
fprintf(stderr, "failed to set the destination address of the SMP\n");
goto cleanup;
}
if (umad_send(portid,agentid,umad_buff,MAD_SIZE,100,5) < 0) {
fprintf(stderr, "failed to send MAD\n");
goto cleanup;
}
if (umad_recv(portid,umad_buff,&length,5000) < 0) {
fprintf(stderr, "failed to receive MAD response\n");
goto cleanup;
}
if (check_mad_status((struct sa_mad_packet_t*)mad)) {
fprintf(stderr, "failed to get mlid from MAD\n");
goto cleanup;
}
// "Join multicast group" message was sent
if (method == SUBN_ADM_METHOD_SET) {
get_mlid_from_mad((struct sa_mad_packet_t*)mad,¶ms->mlid);
params->mcast_state |= MCAST_IS_JOINED;
// "Leave multicast group" message was sent
} else {
params->mcast_state &= ~MCAST_IS_JOINED;
}
cleanup:
if (umad_buff)
umad_free(umad_buff);
if (portid >= 0) {
if (agentid >= 0) {
if (umad_unregister(portid, agentid)) {
fprintf(stderr, "failed to deregister UMAD agent for MADs\n");
test_result = 1;
}
}
if (umad_close_port(portid)) {
fprintf(stderr, "failed to close UMAD portid\n");
test_result = 1;
}
}
return test_result;
}
/** ========================================================================= */
FSTATUS oib_send_mad2(struct oib_port *port, uint8_t *send_mad, size_t send_size,
struct oib_mad_addr *addr, int timeout_ms, int retries)
{
FSTATUS status = FSUCCESS;
void *umad_p = NULL;
int response;
uint8_t mclass, class_ver;
int aid;
int correctedTimeout;
struct umad_hdr *mad_hdr = (struct umad_hdr *)send_mad;
uint16_t ib_lid;
int pkey_idx;
size_t padded_size;
if (!port || !send_mad || !send_size || !addr)
return FINVALID_PARAMETER;
ib_lid = addr->lid & 0xffff;
// Make sure we are registered for this class/version...
mclass = mad_hdr->mgmt_class;
class_ver = mad_hdr->class_version;
response = (mad_hdr->method & 0x80)
|| (mad_hdr->method == UMAD_METHOD_TRAP_REPRESS)
|| (mclass == UMAD_CLASS_BM &&
ntohl(mad_hdr->attr_mod) & BM_ATTRIB_MOD_RESPONSE);
aid = port->umad_agents[class_ver][mclass];
DBGPRINT (" Management Class 0x%x method 0x%x attrId 0x%x attrM 0x%x\n",mclass, mad_hdr->method,
ntohs(mad_hdr->attr_id), ntohl(mad_hdr->attr_mod));
DBGPRINT (" base_version 0x%x class_version 0x%x\n",mad_hdr->base_version, mad_hdr->class_version);
if (aid == OIB_INVALID_AGENTID) {
// automatically register for "send" only
int err = 0;
struct oib_class_args mgmt_class[2];
memset(mgmt_class, 0, sizeof(mgmt_class));
mgmt_class[0].base_version = mad_hdr->base_version;
mgmt_class[0].mgmt_class = mad_hdr->mgmt_class;
mgmt_class[0].class_version = mad_hdr->class_version;
mgmt_class[0].is_responding_client = 0;
mgmt_class[0].is_trap_client = 0;
mgmt_class[0].is_report_client = 0;
mgmt_class[0].kernel_rmpp = 1;
mgmt_class[0].use_methods = 0;
DBGPRINT ("auto registering class 0x%02x; version 0x%x for send only\n",
mclass, class_ver);
if ((err = oib_bind_classes(port, mgmt_class)) != 0) {
OUTPUT_ERROR ("Failed to auto register for class 0x%02x: %s\n",
mclass, strerror(err));
status = FERROR;
goto done;
}
aid = port->umad_agents[class_ver][mclass];
}
// Initialize the user mad.
// umad has limititation that outgoing packets must be > 36 bytes.
padded_size = ( MAX(send_size,36) + 7) & ~0x7;
DBGPRINT ("dlid %d qpn %d qkey %x sl %d\n", ib_lid, addr->qpn, addr->qkey, addr->sl);
umad_p = umad_alloc(1, padded_size + umad_size());
if (!umad_p) {
OUTPUT_ERROR ("can't alloc umad send_size %ld\n", padded_size);
status = FINSUFFICIENT_MEMORY;
goto done;
}
memset(umad_p, 0, padded_size + umad_size());
memcpy (umad_get_mad(umad_p), send_mad, send_size); /* Copy mad to umad */
umad_set_grh(umad_p, 0);
pkey_idx = oib_find_pkey(port, addr->pkey);
if (pkey_idx < 0) {
DBGPRINT("P_Key 0x%x not found in pkey table\n", addr->pkey);
if (addr->pkey == 0xffff) {
pkey_idx = oib_find_pkey(port, 0x7fff);
if (pkey_idx < 0) {
OUTPUT_ERROR("Failed to find 0x7fff pkey defaulting to index 1\n");
pkey_idx = 1;
} else {
DBGPRINT("... using 0x7fff found at index %d\n", pkey_idx);
}
} else {
// Previously, this code would try to find the limited management pkey
// if it could not find the requested pkey, and use that pkey instead.
// This would often "work" because all nodes should have the limited
// management pkey, but b/c it was a limited member, this would result
// in potential timeouts - especially where the full management pkey was
// required.
// Changed this code fail immediately without retrying a new pkey.
OUTPUT_ERROR("Failed to find requested pkey:0x%x, class 0x%x aid:0x%x \n",
addr->pkey, mclass, ntohs(mad_hdr->attr_id));
status = FPROTECTION;
goto done;
}
}
umad_set_pkey(umad_p, pkey_idx);
umad_set_addr(umad_p, ib_lid?ib_lid:0xffff, addr->qpn, addr->sl, addr->qkey);
if (dbg_file) {
DBGPRINT(">>> sending: len %ld pktsz %zu\n", send_size, umad_size() + padded_size);
umad_dump(umad_p);
oib_dump_mad(dbg_file, umad_get_mad(umad_p), send_size, "send mad\n");
}
correctedTimeout = (timeout_ms == OIB_SEND_TIMEOUT_DEFAULT)
? OIB_UTILS_DEF_TIMEOUT_MS : timeout_ms;
if (umad_send(port->umad_fd, aid, umad_p, padded_size, (response ? 0 : correctedTimeout), retries) < 0) {
OUTPUT_ERROR("send failed; %s, agent id %u MClass 0x%x method 0x%x attrId 0x%x attrM 0x%x\n",
strerror(errno), aid, mclass, mad_hdr->method,
ntohs(mad_hdr->attr_id), ntohl(mad_hdr->attr_mod));
status = FNOT_DONE;
goto done;
}
done:
// Free umad if allocated.
if (umad_p != NULL) {
umad_free(umad_p);
}
return status;
}
