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nvme/rdma: use getaddrinfo() to parse service ID

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Also remove unreachable code handling addr == NULL.

Change-Id: Ia6b5639853bbb6f4193a1b4352d465829b1293d1
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-11-23 11:14:47 -07:00
parent e15a704e2f
commit e2a2165550
1 changed files with 11 additions and 18 deletions
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29
lib/nvme/nvme_rdma.c
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@ -660,24 +660,23 @@ nvme_rdma_connect(struct nvme_rdma_qpair *rqpair)
}
static int
nvme_rdma_parse_ipaddr(struct sockaddr_in *sin, const char *addr)
nvme_rdma_parse_addr(struct sockaddr_storage *sa, const char *addr, const char *service)
{
struct addrinfo *res;
int ret;
if (addr == NULL) {
sin->sin_addr.s_addr = htonl(INADDR_ANY);
sin->sin_family = AF_INET;
return 0;
}
ret = getaddrinfo(addr, NULL, NULL, &res);
ret = getaddrinfo(addr, service, NULL, &res);
if (ret) {
SPDK_ERRLOG("getaddrinfo failed - invalid hostname or IP address\n");
return ret;
}
*sin = *(struct sockaddr_in *) res->ai_addr;
if (res->ai_addrlen > sizeof(*sa)) {
SPDK_ERRLOG("getaddrinfo() ai_addrlen %zu too large\n", (size_t)res->ai_addrlen);
ret = EINVAL;
} else {
memcpy(sa, res->ai_addr, res->ai_addrlen);
}
freeaddrinfo(res);
return ret;
@ -712,18 +711,12 @@ nvme_rdma_qpair_connect(struct nvme_rdma_qpair *rqpair)
ctrlr = rqpair->qpair.ctrlr;
memset(&sin, 0, sizeof(struct sockaddr_storage));
SPDK_TRACELOG(SPDK_TRACE_DEBUG, "port is %s\n", ctrlr->probe_info.trsvcid);
rc = nvme_rdma_parse_ipaddr((struct sockaddr_in *)&sin, ctrlr->probe_info.traddr);
if (rc < 0) {
SPDK_TRACELOG(SPDK_TRACE_DEBUG, "trsvcid is %s\n", ctrlr->probe_info.trsvcid);
rc = nvme_rdma_parse_addr(&sin, ctrlr->probe_info.traddr, ctrlr->probe_info.trsvcid);
if (rc != 0) {
goto err;
}
/* need to tranfer the host*/
if (sin.ss_family == AF_INET)
((struct sockaddr_in *) &sin)->sin_port = htons(atoi(ctrlr->probe_info.trsvcid));
else
((struct sockaddr_in6 *) &sin)->sin6_port = htons(atoi(ctrlr->probe_info.trsvcid));
rc = rdma_create_id(rqpair->cm_channel, &rqpair->cm_id, rqpair, RDMA_PS_TCP);
if (rc < 0) {
goto err;