#include <rdma/rdma_cm.h>
#include <rdma/rdma_cm_ib.h>
#include <rdma/rdma_netlink.h>
+#include <rdma/ib.h>
#include <rdma/ib_cache.h>
#include <rdma/ib_cm.h>
#include <rdma/ib_sa.h>
static LIST_HEAD(listen_any_list);
static DEFINE_MUTEX(lock);
static struct workqueue_struct *cma_wq;
-static DEFINE_IDR(sdp_ps);
static DEFINE_IDR(tcp_ps);
static DEFINE_IDR(udp_ps);
static DEFINE_IDR(ipoib_ps);
union cma_ip_addr dst_addr;
};
-struct sdp_hh {
- u8 bsdh[16];
- u8 sdp_version; /* Major version: 7:4 */
- u8 ip_version; /* IP version: 7:4 */
- u8 sdp_specific1[10];
- __be16 port;
- __be16 sdp_specific2;
- union cma_ip_addr src_addr;
- union cma_ip_addr dst_addr;
-};
-
-struct sdp_hah {
- u8 bsdh[16];
- u8 sdp_version;
-};
-
#define CMA_VERSION 0x00
-#define SDP_MAJ_VERSION 0x2
static int cma_comp(struct rdma_id_private *id_priv, enum rdma_cm_state comp)
{
hdr->ip_version = (ip_ver << 4) | (hdr->ip_version & 0xF);
}
-static inline u8 sdp_get_majv(u8 sdp_version)
-{
- return sdp_version >> 4;
-}
-
-static inline u8 sdp_get_ip_ver(struct sdp_hh *hh)
-{
- return hh->ip_version >> 4;
-}
-
-static inline void sdp_set_ip_ver(struct sdp_hh *hh, u8 ip_ver)
-{
- hh->ip_version = (ip_ver << 4) | (hh->ip_version & 0xF);
-}
-
static void cma_attach_to_dev(struct rdma_id_private *id_priv,
struct cma_device *cma_dev)
{
mutex_unlock(&lock);
}
-static int cma_set_qkey(struct rdma_id_private *id_priv)
+static inline struct sockaddr *cma_src_addr(struct rdma_id_private *id_priv)
+{
+ return (struct sockaddr *) &id_priv->id.route.addr.src_addr;
+}
+
+static inline struct sockaddr *cma_dst_addr(struct rdma_id_private *id_priv)
+{
+ return (struct sockaddr *) &id_priv->id.route.addr.dst_addr;
+}
+
+static inline unsigned short cma_family(struct rdma_id_private *id_priv)
+{
+ return id_priv->id.route.addr.src_addr.ss_family;
+}
+
+static int cma_set_qkey(struct rdma_id_private *id_priv, u32 qkey)
{
struct ib_sa_mcmember_rec rec;
int ret = 0;
- if (id_priv->qkey)
+ if (id_priv->qkey) {
+ if (qkey && id_priv->qkey != qkey)
+ return -EINVAL;
+ return 0;
+ }
+
+ if (qkey) {
+ id_priv->qkey = qkey;
return 0;
+ }
switch (id_priv->id.ps) {
case RDMA_PS_UDP:
+ case RDMA_PS_IB:
id_priv->qkey = RDMA_UDP_QKEY;
break;
case RDMA_PS_IPOIB:
return -EADDRNOTAVAIL;
}
+static void cma_translate_ib(struct sockaddr_ib *sib, struct rdma_dev_addr *dev_addr)
+{
+ dev_addr->dev_type = ARPHRD_INFINIBAND;
+ rdma_addr_set_sgid(dev_addr, (union ib_gid *) &sib->sib_addr);
+ ib_addr_set_pkey(dev_addr, ntohs(sib->sib_pkey));
+}
+
+static int cma_translate_addr(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
+{
+ int ret;
+
+ if (addr->sa_family != AF_IB) {
+ ret = rdma_translate_ip(addr, dev_addr);
+ } else {
+ cma_translate_ib((struct sockaddr_ib *) addr, dev_addr);
+ ret = 0;
+ }
+
+ return ret;
+}
+
static int cma_acquire_dev(struct rdma_id_private *id_priv)
{
struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr;
return ret;
}
+/*
+ * Select the source IB device and address to reach the destination IB address.
+ */
+static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
+{
+ struct cma_device *cma_dev, *cur_dev;
+ struct sockaddr_ib *addr;
+ union ib_gid gid, sgid, *dgid;
+ u16 pkey, index;
+ u8 port, p;
+ int i;
+
+ cma_dev = NULL;
+ addr = (struct sockaddr_ib *) cma_dst_addr(id_priv);
+ dgid = (union ib_gid *) &addr->sib_addr;
+ pkey = ntohs(addr->sib_pkey);
+
+ list_for_each_entry(cur_dev, &dev_list, list) {
+ if (rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
+ continue;
+
+ for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
+ if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
+ continue;
+
+ for (i = 0; !ib_get_cached_gid(cur_dev->device, p, i, &gid); i++) {
+ if (!memcmp(&gid, dgid, sizeof(gid))) {
+ cma_dev = cur_dev;
+ sgid = gid;
+ port = p;
+ goto found;
+ }
+
+ if (!cma_dev && (gid.global.subnet_prefix ==
+ dgid->global.subnet_prefix)) {
+ cma_dev = cur_dev;
+ sgid = gid;
+ port = p;
+ }
+ }
+ }
+ }
+
+ if (!cma_dev)
+ return -ENODEV;
+
+found:
+ cma_attach_to_dev(id_priv, cma_dev);
+ id_priv->id.port_num = port;
+ addr = (struct sockaddr_ib *) cma_src_addr(id_priv);
+ memcpy(&addr->sib_addr, &sgid, sizeof sgid);
+ cma_translate_ib(addr, &id_priv->id.route.addr.dev_addr);
+ return 0;
+}
+
static void cma_deref_id(struct rdma_id_private *id_priv)
{
if (atomic_dec_and_test(&id_priv->refcount))
*qp_attr_mask = IB_QP_STATE | IB_QP_PKEY_INDEX | IB_QP_PORT;
if (id_priv->id.qp_type == IB_QPT_UD) {
- ret = cma_set_qkey(id_priv);
+ ret = cma_set_qkey(id_priv, 0);
if (ret)
return ret;
static inline int cma_zero_addr(struct sockaddr *addr)
{
- struct in6_addr *ip6;
-
- if (addr->sa_family == AF_INET)
- return ipv4_is_zeronet(
- ((struct sockaddr_in *)addr)->sin_addr.s_addr);
- else {
- ip6 = &((struct sockaddr_in6 *) addr)->sin6_addr;
- return (ip6->s6_addr32[0] | ip6->s6_addr32[1] |
- ip6->s6_addr32[2] | ip6->s6_addr32[3]) == 0;
+ switch (addr->sa_family) {
+ case AF_INET:
+ return ipv4_is_zeronet(((struct sockaddr_in *)addr)->sin_addr.s_addr);
+ case AF_INET6:
+ return ipv6_addr_any(&((struct sockaddr_in6 *) addr)->sin6_addr);
+ case AF_IB:
+ return ib_addr_any(&((struct sockaddr_ib *) addr)->sib_addr);
+ default:
+ return 0;
}
}
static inline int cma_loopback_addr(struct sockaddr *addr)
{
- if (addr->sa_family == AF_INET)
- return ipv4_is_loopback(
- ((struct sockaddr_in *) addr)->sin_addr.s_addr);
- else
- return ipv6_addr_loopback(
- &((struct sockaddr_in6 *) addr)->sin6_addr);
+ switch (addr->sa_family) {
+ case AF_INET:
+ return ipv4_is_loopback(((struct sockaddr_in *) addr)->sin_addr.s_addr);
+ case AF_INET6:
+ return ipv6_addr_loopback(&((struct sockaddr_in6 *) addr)->sin6_addr);
+ case AF_IB:
+ return ib_addr_loopback(&((struct sockaddr_ib *) addr)->sib_addr);
+ default:
+ return 0;
+ }
}
static inline int cma_any_addr(struct sockaddr *addr)
case AF_INET:
return ((struct sockaddr_in *) src)->sin_addr.s_addr !=
((struct sockaddr_in *) dst)->sin_addr.s_addr;
- default:
+ case AF_INET6:
return ipv6_addr_cmp(&((struct sockaddr_in6 *) src)->sin6_addr,
&((struct sockaddr_in6 *) dst)->sin6_addr);
+ default:
+ return ib_addr_cmp(&((struct sockaddr_ib *) src)->sib_addr,
+ &((struct sockaddr_ib *) dst)->sib_addr);
}
}
-static inline __be16 cma_port(struct sockaddr *addr)
+static __be16 cma_port(struct sockaddr *addr)
{
- if (addr->sa_family == AF_INET)
+ struct sockaddr_ib *sib;
+
+ switch (addr->sa_family) {
+ case AF_INET:
return ((struct sockaddr_in *) addr)->sin_port;
- else
+ case AF_INET6:
return ((struct sockaddr_in6 *) addr)->sin6_port;
+ case AF_IB:
+ sib = (struct sockaddr_ib *) addr;
+ return htons((u16) (be64_to_cpu(sib->sib_sid) &
+ be64_to_cpu(sib->sib_sid_mask)));
+ default:
+ return 0;
+ }
}
static inline int cma_any_port(struct sockaddr *addr)
return !cma_port(addr);
}
-static int cma_get_net_info(void *hdr, enum rdma_port_space ps,
- u8 *ip_ver, __be16 *port,
- union cma_ip_addr **src, union cma_ip_addr **dst)
+static void cma_save_ib_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id,
+ struct ib_sa_path_rec *path)
{
- switch (ps) {
- case RDMA_PS_SDP:
- if (sdp_get_majv(((struct sdp_hh *) hdr)->sdp_version) !=
- SDP_MAJ_VERSION)
- return -EINVAL;
+ struct sockaddr_ib *listen_ib, *ib;
- *ip_ver = sdp_get_ip_ver(hdr);
- *port = ((struct sdp_hh *) hdr)->port;
- *src = &((struct sdp_hh *) hdr)->src_addr;
- *dst = &((struct sdp_hh *) hdr)->dst_addr;
- break;
- default:
- if (((struct cma_hdr *) hdr)->cma_version != CMA_VERSION)
- return -EINVAL;
+ listen_ib = (struct sockaddr_ib *) &listen_id->route.addr.src_addr;
+ ib = (struct sockaddr_ib *) &id->route.addr.src_addr;
+ ib->sib_family = listen_ib->sib_family;
+ ib->sib_pkey = path->pkey;
+ ib->sib_flowinfo = path->flow_label;
+ memcpy(&ib->sib_addr, &path->sgid, 16);
+ ib->sib_sid = listen_ib->sib_sid;
+ ib->sib_sid_mask = cpu_to_be64(0xffffffffffffffffULL);
+ ib->sib_scope_id = listen_ib->sib_scope_id;
- *ip_ver = cma_get_ip_ver(hdr);
- *port = ((struct cma_hdr *) hdr)->port;
- *src = &((struct cma_hdr *) hdr)->src_addr;
- *dst = &((struct cma_hdr *) hdr)->dst_addr;
- break;
- }
-
- if (*ip_ver != 4 && *ip_ver != 6)
- return -EINVAL;
- return 0;
+ ib = (struct sockaddr_ib *) &id->route.addr.dst_addr;
+ ib->sib_family = listen_ib->sib_family;
+ ib->sib_pkey = path->pkey;
+ ib->sib_flowinfo = path->flow_label;
+ memcpy(&ib->sib_addr, &path->dgid, 16);
}
-static void cma_save_net_info(struct rdma_addr *addr,
- struct rdma_addr *listen_addr,
- u8 ip_ver, __be16 port,
- union cma_ip_addr *src, union cma_ip_addr *dst)
+static void cma_save_ip4_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id,
+ struct cma_hdr *hdr)
{
struct sockaddr_in *listen4, *ip4;
+
+ listen4 = (struct sockaddr_in *) &listen_id->route.addr.src_addr;
+ ip4 = (struct sockaddr_in *) &id->route.addr.src_addr;
+ ip4->sin_family = listen4->sin_family;
+ ip4->sin_addr.s_addr = hdr->dst_addr.ip4.addr;
+ ip4->sin_port = listen4->sin_port;
+
+ ip4 = (struct sockaddr_in *) &id->route.addr.dst_addr;
+ ip4->sin_family = listen4->sin_family;
+ ip4->sin_addr.s_addr = hdr->src_addr.ip4.addr;
+ ip4->sin_port = hdr->port;
+}
+
+static void cma_save_ip6_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id,
+ struct cma_hdr *hdr)
+{
struct sockaddr_in6 *listen6, *ip6;
- switch (ip_ver) {
+ listen6 = (struct sockaddr_in6 *) &listen_id->route.addr.src_addr;
+ ip6 = (struct sockaddr_in6 *) &id->route.addr.src_addr;
+ ip6->sin6_family = listen6->sin6_family;
+ ip6->sin6_addr = hdr->dst_addr.ip6;
+ ip6->sin6_port = listen6->sin6_port;
+
+ ip6 = (struct sockaddr_in6 *) &id->route.addr.dst_addr;
+ ip6->sin6_family = listen6->sin6_family;
+ ip6->sin6_addr = hdr->src_addr.ip6;
+ ip6->sin6_port = hdr->port;
+}
+
+static int cma_save_net_info(struct rdma_cm_id *id, struct rdma_cm_id *listen_id,
+ struct ib_cm_event *ib_event)
+{
+ struct cma_hdr *hdr;
+
+ if (listen_id->route.addr.src_addr.ss_family == AF_IB) {
+ cma_save_ib_info(id, listen_id, ib_event->param.req_rcvd.primary_path);
+ return 0;
+ }
+
+ hdr = ib_event->private_data;
+ if (hdr->cma_version != CMA_VERSION)
+ return -EINVAL;
+
+ switch (cma_get_ip_ver(hdr)) {
case 4:
- listen4 = (struct sockaddr_in *) &listen_addr->src_addr;
- ip4 = (struct sockaddr_in *) &addr->src_addr;
- ip4->sin_family = listen4->sin_family;
- ip4->sin_addr.s_addr = dst->ip4.addr;
- ip4->sin_port = listen4->sin_port;
-
- ip4 = (struct sockaddr_in *) &addr->dst_addr;
- ip4->sin_family = listen4->sin_family;
- ip4->sin_addr.s_addr = src->ip4.addr;
- ip4->sin_port = port;
+ cma_save_ip4_info(id, listen_id, hdr);
break;
case 6:
- listen6 = (struct sockaddr_in6 *) &listen_addr->src_addr;
- ip6 = (struct sockaddr_in6 *) &addr->src_addr;
- ip6->sin6_family = listen6->sin6_family;
- ip6->sin6_addr = dst->ip6;
- ip6->sin6_port = listen6->sin6_port;
-
- ip6 = (struct sockaddr_in6 *) &addr->dst_addr;
- ip6->sin6_family = listen6->sin6_family;
- ip6->sin6_addr = src->ip6;
- ip6->sin6_port = port;
+ cma_save_ip6_info(id, listen_id, hdr);
break;
default:
- break;
+ return -EINVAL;
}
+ return 0;
}
-static inline int cma_user_data_offset(enum rdma_port_space ps)
+static inline int cma_user_data_offset(struct rdma_id_private *id_priv)
{
- switch (ps) {
- case RDMA_PS_SDP:
- return 0;
- default:
- return sizeof(struct cma_hdr);
- }
+ return cma_family(id_priv) == AF_IB ? 0 : sizeof(struct cma_hdr);
}
static void cma_cancel_route(struct rdma_id_private *id_priv)
cma_cancel_route(id_priv);
break;
case RDMA_CM_LISTEN:
- if (cma_any_addr((struct sockaddr *) &id_priv->id.route.addr.src_addr)
- && !id_priv->cma_dev)
+ if (cma_any_addr(cma_src_addr(id_priv)) && !id_priv->cma_dev)
cma_cancel_listens(id_priv);
break;
default:
return ret;
}
-static int cma_verify_rep(struct rdma_id_private *id_priv, void *data)
-{
- if (id_priv->id.ps == RDMA_PS_SDP &&
- sdp_get_majv(((struct sdp_hah *) data)->sdp_version) !=
- SDP_MAJ_VERSION)
- return -EINVAL;
-
- return 0;
-}
-
static void cma_set_rep_event_data(struct rdma_cm_event *event,
struct ib_cm_rep_event_param *rep_data,
void *private_data)
event.status = -ETIMEDOUT;
break;
case IB_CM_REP_RECEIVED:
- event.status = cma_verify_rep(id_priv, ib_event->private_data);
- if (event.status)
- event.event = RDMA_CM_EVENT_CONNECT_ERROR;
- else if (id_priv->id.qp && id_priv->id.ps != RDMA_PS_SDP) {
+ if (id_priv->id.qp) {
event.status = cma_rep_recv(id_priv);
event.event = event.status ? RDMA_CM_EVENT_CONNECT_ERROR :
RDMA_CM_EVENT_ESTABLISHED;
- } else
+ } else {
event.event = RDMA_CM_EVENT_CONNECT_RESPONSE;
+ }
cma_set_rep_event_data(&event, &ib_event->param.rep_rcvd,
ib_event->private_data);
break;
struct rdma_id_private *id_priv;
struct rdma_cm_id *id;
struct rdma_route *rt;
- union cma_ip_addr *src, *dst;
- __be16 port;
- u8 ip_ver;
int ret;
- if (cma_get_net_info(ib_event->private_data, listen_id->ps,
- &ip_ver, &port, &src, &dst))
- return NULL;
-
id = rdma_create_id(listen_id->event_handler, listen_id->context,
listen_id->ps, ib_event->param.req_rcvd.qp_type);
if (IS_ERR(id))
return NULL;
- cma_save_net_info(&id->route.addr, &listen_id->route.addr,
- ip_ver, port, src, dst);
+ id_priv = container_of(id, struct rdma_id_private, id);
+ if (cma_save_net_info(id, listen_id, ib_event))
+ goto err;
rt = &id->route;
rt->num_paths = ib_event->param.req_rcvd.alternate_path ? 2 : 1;
if (rt->num_paths == 2)
rt->path_rec[1] = *ib_event->param.req_rcvd.alternate_path;
- if (cma_any_addr((struct sockaddr *) &rt->addr.src_addr)) {
+ if (cma_any_addr(cma_src_addr(id_priv))) {
rt->addr.dev_addr.dev_type = ARPHRD_INFINIBAND;
rdma_addr_set_sgid(&rt->addr.dev_addr, &rt->path_rec[0].sgid);
ib_addr_set_pkey(&rt->addr.dev_addr, be16_to_cpu(rt->path_rec[0].pkey));
} else {
- ret = rdma_translate_ip((struct sockaddr *) &rt->addr.src_addr,
- &rt->addr.dev_addr);
+ ret = cma_translate_addr(cma_src_addr(id_priv), &rt->addr.dev_addr);
if (ret)
goto err;
}
rdma_addr_set_dgid(&rt->addr.dev_addr, &rt->path_rec[0].dgid);
- id_priv = container_of(id, struct rdma_id_private, id);
id_priv->state = RDMA_CM_CONNECT;
return id_priv;
{
struct rdma_id_private *id_priv;
struct rdma_cm_id *id;
- union cma_ip_addr *src, *dst;
- __be16 port;
- u8 ip_ver;
int ret;
id = rdma_create_id(listen_id->event_handler, listen_id->context,
if (IS_ERR(id))
return NULL;
-
- if (cma_get_net_info(ib_event->private_data, listen_id->ps,
- &ip_ver, &port, &src, &dst))
+ id_priv = container_of(id, struct rdma_id_private, id);
+ if (cma_save_net_info(id, listen_id, ib_event))
goto err;
- cma_save_net_info(&id->route.addr, &listen_id->route.addr,
- ip_ver, port, src, dst);
-
if (!cma_any_addr((struct sockaddr *) &id->route.addr.src_addr)) {
- ret = rdma_translate_ip((struct sockaddr *) &id->route.addr.src_addr,
- &id->route.addr.dev_addr);
+ ret = cma_translate_addr(cma_src_addr(id_priv), &id->route.addr.dev_addr);
if (ret)
goto err;
}
- id_priv = container_of(id, struct rdma_id_private, id);
id_priv->state = RDMA_CM_CONNECT;
return id_priv;
err:
return -ECONNABORTED;
memset(&event, 0, sizeof event);
- offset = cma_user_data_offset(listen_id->id.ps);
+ offset = cma_user_data_offset(listen_id);
event.event = RDMA_CM_EVENT_CONNECT_REQUEST;
if (ib_event->event == IB_CM_SIDR_REQ_RECEIVED) {
conn_id = cma_new_udp_id(&listen_id->id, ib_event);
return ret;
}
-static __be64 cma_get_service_id(enum rdma_port_space ps, struct sockaddr *addr)
+__be64 rdma_get_service_id(struct rdma_cm_id *id, struct sockaddr *addr)
{
- return cpu_to_be64(((u64)ps << 16) + be16_to_cpu(cma_port(addr)));
+ if (addr->sa_family == AF_IB)
+ return ((struct sockaddr_ib *) addr)->sib_sid;
+
+ return cpu_to_be64(((u64)id->ps << 16) + be16_to_cpu(cma_port(addr)));
}
+EXPORT_SYMBOL(rdma_get_service_id);
static void cma_set_compare_data(enum rdma_port_space ps, struct sockaddr *addr,
struct ib_cm_compare_data *compare)
{
struct cma_hdr *cma_data, *cma_mask;
- struct sdp_hh *sdp_data, *sdp_mask;
__be32 ip4_addr;
struct in6_addr ip6_addr;
memset(compare, 0, sizeof *compare);
cma_data = (void *) compare->data;
cma_mask = (void *) compare->mask;
- sdp_data = (void *) compare->data;
- sdp_mask = (void *) compare->mask;
switch (addr->sa_family) {
case AF_INET:
ip4_addr = ((struct sockaddr_in *) addr)->sin_addr.s_addr;
- if (ps == RDMA_PS_SDP) {
- sdp_set_ip_ver(sdp_data, 4);
- sdp_set_ip_ver(sdp_mask, 0xF);
- sdp_data->dst_addr.ip4.addr = ip4_addr;
- sdp_mask->dst_addr.ip4.addr = htonl(~0);
- } else {
- cma_set_ip_ver(cma_data, 4);
- cma_set_ip_ver(cma_mask, 0xF);
- if (!cma_any_addr(addr)) {
- cma_data->dst_addr.ip4.addr = ip4_addr;
- cma_mask->dst_addr.ip4.addr = htonl(~0);
- }
+ cma_set_ip_ver(cma_data, 4);
+ cma_set_ip_ver(cma_mask, 0xF);
+ if (!cma_any_addr(addr)) {
+ cma_data->dst_addr.ip4.addr = ip4_addr;
+ cma_mask->dst_addr.ip4.addr = htonl(~0);
}
break;
case AF_INET6:
ip6_addr = ((struct sockaddr_in6 *) addr)->sin6_addr;
- if (ps == RDMA_PS_SDP) {
- sdp_set_ip_ver(sdp_data, 6);
- sdp_set_ip_ver(sdp_mask, 0xF);
- sdp_data->dst_addr.ip6 = ip6_addr;
- memset(&sdp_mask->dst_addr.ip6, 0xFF,
- sizeof sdp_mask->dst_addr.ip6);
- } else {
- cma_set_ip_ver(cma_data, 6);
- cma_set_ip_ver(cma_mask, 0xF);
- if (!cma_any_addr(addr)) {
- cma_data->dst_addr.ip6 = ip6_addr;
- memset(&cma_mask->dst_addr.ip6, 0xFF,
- sizeof cma_mask->dst_addr.ip6);
- }
+ cma_set_ip_ver(cma_data, 6);
+ cma_set_ip_ver(cma_mask, 0xF);
+ if (!cma_any_addr(addr)) {
+ cma_data->dst_addr.ip6 = ip6_addr;
+ memset(&cma_mask->dst_addr.ip6, 0xFF,
+ sizeof cma_mask->dst_addr.ip6);
}
break;
default:
event.event = RDMA_CM_EVENT_DISCONNECTED;
break;
case IW_CM_EVENT_CONNECT_REPLY:
- sin = (struct sockaddr_in *) &id_priv->id.route.addr.src_addr;
+ sin = (struct sockaddr_in *) cma_src_addr(id_priv);
*sin = iw_event->local_addr;
- sin = (struct sockaddr_in *) &id_priv->id.route.addr.dst_addr;
+ sin = (struct sockaddr_in *) cma_dst_addr(id_priv);
*sin = iw_event->remote_addr;
switch (iw_event->status) {
case 0:
cm_id->context = conn_id;
cm_id->cm_handler = cma_iw_handler;
- sin = (struct sockaddr_in *) &new_cm_id->route.addr.src_addr;
+ sin = (struct sockaddr_in *) cma_src_addr(conn_id);
*sin = iw_event->local_addr;
- sin = (struct sockaddr_in *) &new_cm_id->route.addr.dst_addr;
+ sin = (struct sockaddr_in *) cma_dst_addr(conn_id);
*sin = iw_event->remote_addr;
ret = ib_query_device(conn_id->id.device, &attr);
id_priv->cm_id.ib = id;
- addr = (struct sockaddr *) &id_priv->id.route.addr.src_addr;
- svc_id = cma_get_service_id(id_priv->id.ps, addr);
+ addr = cma_src_addr(id_priv);
+ svc_id = rdma_get_service_id(&id_priv->id, addr);
if (cma_any_addr(addr) && !id_priv->afonly)
ret = ib_cm_listen(id_priv->cm_id.ib, svc_id, 0, NULL);
else {
id_priv->cm_id.iw = id;
- sin = (struct sockaddr_in *) &id_priv->id.route.addr.src_addr;
+ sin = (struct sockaddr_in *) cma_src_addr(id_priv);
id_priv->cm_id.iw->local_addr = *sin;
ret = iw_cm_listen(id_priv->cm_id.iw, backlog);
struct rdma_cm_id *id;
int ret;
+ if (cma_family(id_priv) == AF_IB &&
+ rdma_node_get_transport(cma_dev->device->node_type) != RDMA_TRANSPORT_IB)
+ return;
+
id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
id_priv->id.qp_type);
if (IS_ERR(id))
dev_id_priv = container_of(id, struct rdma_id_private, id);
dev_id_priv->state = RDMA_CM_ADDR_BOUND;
- memcpy(&id->route.addr.src_addr, &id_priv->id.route.addr.src_addr,
- ip_addr_size((struct sockaddr *) &id_priv->id.route.addr.src_addr));
+ memcpy(cma_src_addr(dev_id_priv), cma_src_addr(id_priv),
+ rdma_addr_size(cma_src_addr(id_priv)));
cma_attach_to_dev(dev_id_priv, cma_dev);
list_add_tail(&dev_id_priv->listen_list, &id_priv->listen_list);
static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,
struct cma_work *work)
{
- struct rdma_addr *addr = &id_priv->id.route.addr;
+ struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr;
struct ib_sa_path_rec path_rec;
ib_sa_comp_mask comp_mask;
struct sockaddr_in6 *sin6;
+ struct sockaddr_ib *sib;
memset(&path_rec, 0, sizeof path_rec);
- rdma_addr_get_sgid(&addr->dev_addr, &path_rec.sgid);
- rdma_addr_get_dgid(&addr->dev_addr, &path_rec.dgid);
- path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(&addr->dev_addr));
+ rdma_addr_get_sgid(dev_addr, &path_rec.sgid);
+ rdma_addr_get_dgid(dev_addr, &path_rec.dgid);
+ path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(dev_addr));
path_rec.numb_path = 1;
path_rec.reversible = 1;
- path_rec.service_id = cma_get_service_id(id_priv->id.ps,
- (struct sockaddr *) &addr->dst_addr);
+ path_rec.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv));
comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |
IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |
IB_SA_PATH_REC_REVERSIBLE | IB_SA_PATH_REC_SERVICE_ID;
- if (addr->src_addr.ss_family == AF_INET) {
+ switch (cma_family(id_priv)) {
+ case AF_INET:
path_rec.qos_class = cpu_to_be16((u16) id_priv->tos);
comp_mask |= IB_SA_PATH_REC_QOS_CLASS;
- } else {
- sin6 = (struct sockaddr_in6 *) &addr->src_addr;
+ break;
+ case AF_INET6:
+ sin6 = (struct sockaddr_in6 *) cma_src_addr(id_priv);
path_rec.traffic_class = (u8) (be32_to_cpu(sin6->sin6_flowinfo) >> 20);
comp_mask |= IB_SA_PATH_REC_TRAFFIC_CLASS;
+ break;
+ case AF_IB:
+ sib = (struct sockaddr_ib *) cma_src_addr(id_priv);
+ path_rec.traffic_class = (u8) (be32_to_cpu(sib->sib_flowinfo) >> 20);
+ comp_mask |= IB_SA_PATH_REC_TRAFFIC_CLASS;
+ break;
}
id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device,
struct rdma_addr *addr = &route->addr;
struct cma_work *work;
int ret;
- struct sockaddr_in *src_addr = (struct sockaddr_in *)&route->addr.src_addr;
- struct sockaddr_in *dst_addr = (struct sockaddr_in *)&route->addr.dst_addr;
struct net_device *ndev = NULL;
u16 vid;
- if (src_addr->sin_family != dst_addr->sin_family)
- return -EINVAL;
-
work = kzalloc(sizeof *work, GFP_KERNEL);
if (!work)
return -ENOMEM;
}
EXPORT_SYMBOL(rdma_resolve_route);
+static void cma_set_loopback(struct sockaddr *addr)
+{
+ switch (addr->sa_family) {
+ case AF_INET:
+ ((struct sockaddr_in *) addr)->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ break;
+ case AF_INET6:
+ ipv6_addr_set(&((struct sockaddr_in6 *) addr)->sin6_addr,
+ 0, 0, 0, htonl(1));
+ break;
+ default:
+ ib_addr_set(&((struct sockaddr_ib *) addr)->sib_addr,
+ 0, 0, 0, htonl(1));
+ break;
+ }
+}
+
static int cma_bind_loopback(struct rdma_id_private *id_priv)
{
- struct cma_device *cma_dev;
+ struct cma_device *cma_dev, *cur_dev;
struct ib_port_attr port_attr;
union ib_gid gid;
u16 pkey;
int ret;
u8 p;
+ cma_dev = NULL;
mutex_lock(&lock);
- if (list_empty(&dev_list)) {
+ list_for_each_entry(cur_dev, &dev_list, list) {
+ if (cma_family(id_priv) == AF_IB &&
+ rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
+ continue;
+
+ if (!cma_dev)
+ cma_dev = cur_dev;
+
+ for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
+ if (!ib_query_port(cur_dev->device, p, &port_attr) &&
+ port_attr.state == IB_PORT_ACTIVE) {
+ cma_dev = cur_dev;
+ goto port_found;
+ }
+ }
+ }
+
+ if (!cma_dev) {
ret = -ENODEV;
goto out;
}
- list_for_each_entry(cma_dev, &dev_list, list)
- for (p = 1; p <= cma_dev->device->phys_port_cnt; ++p)
- if (!ib_query_port(cma_dev->device, p, &port_attr) &&
- port_attr.state == IB_PORT_ACTIVE)
- goto port_found;
p = 1;
- cma_dev = list_entry(dev_list.next, struct cma_device, list);
port_found:
ret = ib_get_cached_gid(cma_dev->device, p, 0, &gid);
ib_addr_set_pkey(&id_priv->id.route.addr.dev_addr, pkey);
id_priv->id.port_num = p;
cma_attach_to_dev(id_priv, cma_dev);
+ cma_set_loopback(cma_src_addr(id_priv));
out:
mutex_unlock(&lock);
return ret;
event.event = RDMA_CM_EVENT_ADDR_ERROR;
event.status = status;
} else {
- memcpy(&id_priv->id.route.addr.src_addr, src_addr,
- ip_addr_size(src_addr));
+ memcpy(cma_src_addr(id_priv), src_addr, rdma_addr_size(src_addr));
event.event = RDMA_CM_EVENT_ADDR_RESOLVED;
}
static int cma_resolve_loopback(struct rdma_id_private *id_priv)
{
struct cma_work *work;
- struct sockaddr *src, *dst;
union ib_gid gid;
int ret;
rdma_addr_get_sgid(&id_priv->id.route.addr.dev_addr, &gid);
rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, &gid);
- src = (struct sockaddr *) &id_priv->id.route.addr.src_addr;
- if (cma_zero_addr(src)) {
- dst = (struct sockaddr *) &id_priv->id.route.addr.dst_addr;
- if ((src->sa_family = dst->sa_family) == AF_INET) {
- ((struct sockaddr_in *)src)->sin_addr =
- ((struct sockaddr_in *)dst)->sin_addr;
- } else {
- ((struct sockaddr_in6 *)src)->sin6_addr =
- ((struct sockaddr_in6 *)dst)->sin6_addr;
- }
+ work->id = id_priv;
+ INIT_WORK(&work->work, cma_work_handler);
+ work->old_state = RDMA_CM_ADDR_QUERY;
+ work->new_state = RDMA_CM_ADDR_RESOLVED;
+ work->event.event = RDMA_CM_EVENT_ADDR_RESOLVED;
+ queue_work(cma_wq, &work->work);
+ return 0;
+err:
+ kfree(work);
+ return ret;
+}
+
+static int cma_resolve_ib_addr(struct rdma_id_private *id_priv)
+{
+ struct cma_work *work;
+ int ret;
+
+ work = kzalloc(sizeof *work, GFP_KERNEL);
+ if (!work)
+ return -ENOMEM;
+
+ if (!id_priv->cma_dev) {
+ ret = cma_resolve_ib_dev(id_priv);
+ if (ret)
+ goto err;
}
+ rdma_addr_set_dgid(&id_priv->id.route.addr.dev_addr, (union ib_gid *)
+ &(((struct sockaddr_ib *) &id_priv->id.route.addr.dst_addr)->sib_addr));
+
work->id = id_priv;
INIT_WORK(&work->work, cma_work_handler);
work->old_state = RDMA_CM_ADDR_QUERY;
{
if (!src_addr || !src_addr->sa_family) {
src_addr = (struct sockaddr *) &id->route.addr.src_addr;
- if ((src_addr->sa_family = dst_addr->sa_family) == AF_INET6) {
+ src_addr->sa_family = dst_addr->sa_family;
+ if (dst_addr->sa_family == AF_INET6) {
((struct sockaddr_in6 *) src_addr)->sin6_scope_id =
((struct sockaddr_in6 *) dst_addr)->sin6_scope_id;
+ } else if (dst_addr->sa_family == AF_IB) {
+ ((struct sockaddr_ib *) src_addr)->sib_pkey =
+ ((struct sockaddr_ib *) dst_addr)->sib_pkey;
}
}
return rdma_bind_addr(id, src_addr);
return ret;
}
+ if (cma_family(id_priv) != dst_addr->sa_family)
+ return -EINVAL;
+
if (!cma_comp_exch(id_priv, RDMA_CM_ADDR_BOUND, RDMA_CM_ADDR_QUERY))
return -EINVAL;
atomic_inc(&id_priv->refcount);
- memcpy(&id->route.addr.dst_addr, dst_addr, ip_addr_size(dst_addr));
- if (cma_any_addr(dst_addr))
+ memcpy(cma_dst_addr(id_priv), dst_addr, rdma_addr_size(dst_addr));
+ if (cma_any_addr(dst_addr)) {
ret = cma_resolve_loopback(id_priv);
- else
- ret = rdma_resolve_ip(&addr_client, (struct sockaddr *) &id->route.addr.src_addr,
- dst_addr, &id->route.addr.dev_addr,
- timeout_ms, addr_handler, id_priv);
+ } else {
+ if (dst_addr->sa_family == AF_IB) {
+ ret = cma_resolve_ib_addr(id_priv);
+ } else {
+ ret = rdma_resolve_ip(&addr_client, cma_src_addr(id_priv),
+ dst_addr, &id->route.addr.dev_addr,
+ timeout_ms, addr_handler, id_priv);
+ }
+ }
if (ret)
goto err;
id_priv = container_of(id, struct rdma_id_private, id);
spin_lock_irqsave(&id_priv->lock, flags);
- if (id_priv->state == RDMA_CM_IDLE) {
+ if (reuse || id_priv->state == RDMA_CM_IDLE) {
id_priv->reuseaddr = reuse;
ret = 0;
} else {
static void cma_bind_port(struct rdma_bind_list *bind_list,
struct rdma_id_private *id_priv)
{
- struct sockaddr_in *sin;
+ struct sockaddr *addr;
+ struct sockaddr_ib *sib;
+ u64 sid, mask;
+ __be16 port;
- sin = (struct sockaddr_in *) &id_priv->id.route.addr.src_addr;
- sin->sin_port = htons(bind_list->port);
+ addr = cma_src_addr(id_priv);
+ port = htons(bind_list->port);
+
+ switch (addr->sa_family) {
+ case AF_INET:
+ ((struct sockaddr_in *) addr)->sin_port = port;
+ break;
+ case AF_INET6:
+ ((struct sockaddr_in6 *) addr)->sin6_port = port;
+ break;
+ case AF_IB:
+ sib = (struct sockaddr_ib *) addr;
+ sid = be64_to_cpu(sib->sib_sid);
+ mask = be64_to_cpu(sib->sib_sid_mask);
+ sib->sib_sid = cpu_to_be64((sid & mask) | (u64) ntohs(port));
+ sib->sib_sid_mask = cpu_to_be64(~0ULL);
+ break;
+ }
id_priv->bind_list = bind_list;
hlist_add_head(&id_priv->node, &bind_list->owners);
}
struct rdma_id_private *cur_id;
struct sockaddr *addr, *cur_addr;
- addr = (struct sockaddr *) &id_priv->id.route.addr.src_addr;
+ addr = cma_src_addr(id_priv);
hlist_for_each_entry(cur_id, &bind_list->owners, node) {
if (id_priv == cur_id)
continue;
cur_id->reuseaddr)
continue;
- cur_addr = (struct sockaddr *) &cur_id->id.route.addr.src_addr;
+ cur_addr = cma_src_addr(cur_id);
if (id_priv->afonly && cur_id->afonly &&
(addr->sa_family != cur_addr->sa_family))
continue;
unsigned short snum;
int ret;
- snum = ntohs(cma_port((struct sockaddr *) &id_priv->id.route.addr.src_addr));
+ snum = ntohs(cma_port(cma_src_addr(id_priv)));
if (snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE))
return -EACCES;
return ret;
}
-static int cma_get_port(struct rdma_id_private *id_priv)
+static struct idr *cma_select_inet_ps(struct rdma_id_private *id_priv)
{
- struct idr *ps;
- int ret;
-
switch (id_priv->id.ps) {
- case RDMA_PS_SDP:
- ps = &sdp_ps;
- break;
case RDMA_PS_TCP:
- ps = &tcp_ps;
- break;
+ return &tcp_ps;
case RDMA_PS_UDP:
- ps = &udp_ps;
- break;
+ return &udp_ps;
case RDMA_PS_IPOIB:
- ps = &ipoib_ps;
- break;
+ return &ipoib_ps;
case RDMA_PS_IB:
- ps = &ib_ps;
- break;
+ return &ib_ps;
default:
- return -EPROTONOSUPPORT;
+ return NULL;
+ }
+}
+
+static struct idr *cma_select_ib_ps(struct rdma_id_private *id_priv)
+{
+ struct idr *ps = NULL;
+ struct sockaddr_ib *sib;
+ u64 sid_ps, mask, sid;
+
+ sib = (struct sockaddr_ib *) cma_src_addr(id_priv);
+ mask = be64_to_cpu(sib->sib_sid_mask) & RDMA_IB_IP_PS_MASK;
+ sid = be64_to_cpu(sib->sib_sid) & mask;
+
+ if ((id_priv->id.ps == RDMA_PS_IB) && (sid == (RDMA_IB_IP_PS_IB & mask))) {
+ sid_ps = RDMA_IB_IP_PS_IB;
+ ps = &ib_ps;
+ } else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_TCP)) &&
+ (sid == (RDMA_IB_IP_PS_TCP & mask))) {
+ sid_ps = RDMA_IB_IP_PS_TCP;
+ ps = &tcp_ps;
+ } else if (((id_priv->id.ps == RDMA_PS_IB) || (id_priv->id.ps == RDMA_PS_UDP)) &&
+ (sid == (RDMA_IB_IP_PS_UDP & mask))) {
+ sid_ps = RDMA_IB_IP_PS_UDP;
+ ps = &udp_ps;
}
+ if (ps) {
+ sib->sib_sid = cpu_to_be64(sid_ps | ntohs(cma_port((struct sockaddr *) sib)));
+ sib->sib_sid_mask = cpu_to_be64(RDMA_IB_IP_PS_MASK |
+ be64_to_cpu(sib->sib_sid_mask));
+ }
+ return ps;
+}
+
+static int cma_get_port(struct rdma_id_private *id_priv)
+{
+ struct idr *ps;
+ int ret;
+
+ if (cma_family(id_priv) != AF_IB)
+ ps = cma_select_inet_ps(id_priv);
+ else
+ ps = cma_select_ib_ps(id_priv);
+ if (!ps)
+ return -EPROTONOSUPPORT;
+
mutex_lock(&lock);
- if (cma_any_port((struct sockaddr *) &id_priv->id.route.addr.src_addr))
+ if (cma_any_port(cma_src_addr(id_priv)))
ret = cma_alloc_any_port(ps, id_priv);
else
ret = cma_use_port(ps, id_priv);
id_priv = container_of(id, struct rdma_id_private, id);
if (id_priv->state == RDMA_CM_IDLE) {
- ((struct sockaddr *) &id->route.addr.src_addr)->sa_family = AF_INET;
- ret = rdma_bind_addr(id, (struct sockaddr *) &id->route.addr.src_addr);
+ id->route.addr.src_addr.ss_family = AF_INET;
+ ret = rdma_bind_addr(id, cma_src_addr(id_priv));
if (ret)
return ret;
}
struct rdma_id_private *id_priv;
int ret;
- if (addr->sa_family != AF_INET && addr->sa_family != AF_INET6)
+ if (addr->sa_family != AF_INET && addr->sa_family != AF_INET6 &&
+ addr->sa_family != AF_IB)
return -EAFNOSUPPORT;
id_priv = container_of(id, struct rdma_id_private, id);
goto err1;
if (!cma_any_addr(addr)) {
- ret = rdma_translate_ip(addr, &id->route.addr.dev_addr);
+ ret = cma_translate_addr(addr, &id->route.addr.dev_addr);
if (ret)
goto err1;
goto err1;
}
- memcpy(&id->route.addr.src_addr, addr, ip_addr_size(addr));
+ memcpy(cma_src_addr(id_priv), addr, rdma_addr_size(addr));
if (!(id_priv->options & (1 << CMA_OPTION_AFONLY))) {
if (addr->sa_family == AF_INET)
id_priv->afonly = 1;
}
EXPORT_SYMBOL(rdma_bind_addr);
-static int cma_format_hdr(void *hdr, enum rdma_port_space ps,
- struct rdma_route *route)
+static int cma_format_hdr(void *hdr, struct rdma_id_private *id_priv)
{
struct cma_hdr *cma_hdr;
- struct sdp_hh *sdp_hdr;
- if (route->addr.src_addr.ss_family == AF_INET) {
+ cma_hdr = hdr;
+ cma_hdr->cma_version = CMA_VERSION;
+ if (cma_family(id_priv) == AF_INET) {
struct sockaddr_in *src4, *dst4;
- src4 = (struct sockaddr_in *) &route->addr.src_addr;
- dst4 = (struct sockaddr_in *) &route->addr.dst_addr;
-
- switch (ps) {
- case RDMA_PS_SDP:
- sdp_hdr = hdr;
- if (sdp_get_majv(sdp_hdr->sdp_version) != SDP_MAJ_VERSION)
- return -EINVAL;
- sdp_set_ip_ver(sdp_hdr, 4);
- sdp_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr;
- sdp_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr;
- sdp_hdr->port = src4->sin_port;
- break;
- default:
- cma_hdr = hdr;
- cma_hdr->cma_version = CMA_VERSION;
- cma_set_ip_ver(cma_hdr, 4);
- cma_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr;
- cma_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr;
- cma_hdr->port = src4->sin_port;
- break;
- }
- } else {
+ src4 = (struct sockaddr_in *) cma_src_addr(id_priv);
+ dst4 = (struct sockaddr_in *) cma_dst_addr(id_priv);
+
+ cma_set_ip_ver(cma_hdr, 4);
+ cma_hdr->src_addr.ip4.addr = src4->sin_addr.s_addr;
+ cma_hdr->dst_addr.ip4.addr = dst4->sin_addr.s_addr;
+ cma_hdr->port = src4->sin_port;
+ } else if (cma_family(id_priv) == AF_INET6) {
struct sockaddr_in6 *src6, *dst6;
- src6 = (struct sockaddr_in6 *) &route->addr.src_addr;
- dst6 = (struct sockaddr_in6 *) &route->addr.dst_addr;
-
- switch (ps) {
- case RDMA_PS_SDP:
- sdp_hdr = hdr;
- if (sdp_get_majv(sdp_hdr->sdp_version) != SDP_MAJ_VERSION)
- return -EINVAL;
- sdp_set_ip_ver(sdp_hdr, 6);
- sdp_hdr->src_addr.ip6 = src6->sin6_addr;
- sdp_hdr->dst_addr.ip6 = dst6->sin6_addr;
- sdp_hdr->port = src6->sin6_port;
- break;
- default:
- cma_hdr = hdr;
- cma_hdr->cma_version = CMA_VERSION;
- cma_set_ip_ver(cma_hdr, 6);
- cma_hdr->src_addr.ip6 = src6->sin6_addr;
- cma_hdr->dst_addr.ip6 = dst6->sin6_addr;
- cma_hdr->port = src6->sin6_port;
- break;
- }
+ src6 = (struct sockaddr_in6 *) cma_src_addr(id_priv);
+ dst6 = (struct sockaddr_in6 *) cma_dst_addr(id_priv);
+
+ cma_set_ip_ver(cma_hdr, 6);
+ cma_hdr->src_addr.ip6 = src6->sin6_addr;
+ cma_hdr->dst_addr.ip6 = dst6->sin6_addr;
+ cma_hdr->port = src6->sin6_port;
}
return 0;
}
event.status = ib_event->param.sidr_rep_rcvd.status;
break;
}
- ret = cma_set_qkey(id_priv);
+ ret = cma_set_qkey(id_priv, rep->qkey);
if (ret) {
event.event = RDMA_CM_EVENT_ADDR_ERROR;
- event.status = -EINVAL;
- break;
- }
- if (id_priv->qkey != rep->qkey) {
- event.event = RDMA_CM_EVENT_UNREACHABLE;
- event.status = -EINVAL;
+ event.status = ret;
break;
}
ib_init_ah_from_path(id_priv->id.device, id_priv->id.port_num,
struct rdma_conn_param *conn_param)
{
struct ib_cm_sidr_req_param req;
- struct rdma_route *route;
struct ib_cm_id *id;
- int ret;
+ int offset, ret;
- req.private_data_len = sizeof(struct cma_hdr) +
- conn_param->private_data_len;
+ offset = cma_user_data_offset(id_priv);
+ req.private_data_len = offset + conn_param->private_data_len;
if (req.private_data_len < conn_param->private_data_len)
return -EINVAL;
- req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
- if (!req.private_data)
- return -ENOMEM;
+ if (req.private_data_len) {
+ req.private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
+ if (!req.private_data)
+ return -ENOMEM;
+ } else {
+ req.private_data = NULL;
+ }
if (conn_param->private_data && conn_param->private_data_len)
- memcpy((void *) req.private_data + sizeof(struct cma_hdr),
+ memcpy((void *) req.private_data + offset,
conn_param->private_data, conn_param->private_data_len);
- route = &id_priv->id.route;
- ret = cma_format_hdr((void *) req.private_data, id_priv->id.ps, route);
- if (ret)
- goto out;
+ if (req.private_data) {
+ ret = cma_format_hdr((void *) req.private_data, id_priv);
+ if (ret)
+ goto out;
+ }
id = ib_create_cm_id(id_priv->id.device, cma_sidr_rep_handler,
id_priv);
}
id_priv->cm_id.ib = id;
- req.path = route->path_rec;
- req.service_id = cma_get_service_id(id_priv->id.ps,
- (struct sockaddr *) &route->addr.dst_addr);
+ req.path = id_priv->id.route.path_rec;
+ req.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv));
req.timeout_ms = 1 << (CMA_CM_RESPONSE_TIMEOUT - 8);
req.max_cm_retries = CMA_MAX_CM_RETRIES;
int offset, ret;
memset(&req, 0, sizeof req);
- offset = cma_user_data_offset(id_priv->id.ps);
+ offset = cma_user_data_offset(id_priv);
req.private_data_len = offset + conn_param->private_data_len;
if (req.private_data_len < conn_param->private_data_len)
return -EINVAL;
- private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
- if (!private_data)
- return -ENOMEM;
+ if (req.private_data_len) {
+ private_data = kzalloc(req.private_data_len, GFP_ATOMIC);
+ if (!private_data)
+ return -ENOMEM;
+ } else {
+ private_data = NULL;
+ }
if (conn_param->private_data && conn_param->private_data_len)
memcpy(private_data + offset, conn_param->private_data,
id_priv->cm_id.ib = id;
route = &id_priv->id.route;
- ret = cma_format_hdr(private_data, id_priv->id.ps, route);
- if (ret)
- goto out;
- req.private_data = private_data;
+ if (private_data) {
+ ret = cma_format_hdr(private_data, id_priv);
+ if (ret)
+ goto out;
+ req.private_data = private_data;
+ }
req.primary_path = &route->path_rec[0];
if (route->num_paths == 2)
req.alternate_path = &route->path_rec[1];
- req.service_id = cma_get_service_id(id_priv->id.ps,
- (struct sockaddr *) &route->addr.dst_addr);
+ req.service_id = rdma_get_service_id(&id_priv->id, cma_dst_addr(id_priv));
req.qp_num = id_priv->qp_num;
req.qp_type = id_priv->id.qp_type;
req.starting_psn = id_priv->seq_num;
id_priv->cm_id.iw = cm_id;
- sin = (struct sockaddr_in*) &id_priv->id.route.addr.src_addr;
+ sin = (struct sockaddr_in *) cma_src_addr(id_priv);
cm_id->local_addr = *sin;
- sin = (struct sockaddr_in*) &id_priv->id.route.addr.dst_addr;
+ sin = (struct sockaddr_in *) cma_dst_addr(id_priv);
cm_id->remote_addr = *sin;
ret = cma_modify_qp_rtr(id_priv, conn_param);
}
static int cma_send_sidr_rep(struct rdma_id_private *id_priv,
- enum ib_cm_sidr_status status,
+ enum ib_cm_sidr_status status, u32 qkey,
const void *private_data, int private_data_len)
{
struct ib_cm_sidr_rep_param rep;
memset(&rep, 0, sizeof rep);
rep.status = status;
if (status == IB_SIDR_SUCCESS) {
- ret = cma_set_qkey(id_priv);
+ ret = cma_set_qkey(id_priv, qkey);
if (ret)
return ret;
rep.qp_num = id_priv->qp_num;
if (id->qp_type == IB_QPT_UD) {
if (conn_param)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS,
+ conn_param->qkey,
conn_param->private_data,
conn_param->private_data_len);
else
ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS,
- NULL, 0);
+ 0, NULL, 0);
} else {
if (conn_param)
ret = cma_accept_ib(id_priv, conn_param);
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
if (id->qp_type == IB_QPT_UD)
- ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT,
+ ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0,
private_data, private_data_len);
else
ret = ib_send_cm_rej(id_priv->cm_id.ib,
cma_disable_callback(id_priv, RDMA_CM_ADDR_RESOLVED))
return 0;
+ if (!status)
+ status = cma_set_qkey(id_priv, be32_to_cpu(multicast->rec.qkey));
mutex_lock(&id_priv->qp_mutex);
if (!status && id_priv->id.qp)
status = ib_attach_mcast(id_priv->id.qp, &multicast->rec.mgid,
0xFF10A01B)) {
/* IPv6 address is an SA assigned MGID. */
memcpy(mgid, &sin6->sin6_addr, sizeof *mgid);
+ } else if (addr->sa_family == AF_IB) {
+ memcpy(mgid, &((struct sockaddr_ib *) addr)->sib_addr, sizeof *mgid);
} else if ((addr->sa_family == AF_INET6)) {
ipv6_ib_mc_map(&sin6->sin6_addr, dev_addr->broadcast, mc_map);
if (id_priv->id.ps == RDMA_PS_UDP)
if (ret)
return ret;
+ ret = cma_set_qkey(id_priv, 0);
+ if (ret)
+ return ret;
+
cma_set_mgid(id_priv, (struct sockaddr *) &mc->addr, &rec.mgid);
- if (id_priv->id.ps == RDMA_PS_UDP)
- rec.qkey = cpu_to_be32(RDMA_UDP_QKEY);
+ rec.qkey = cpu_to_be32(id_priv->qkey);
rdma_addr_get_sgid(dev_addr, &rec.port_gid);
rec.pkey = cpu_to_be16(ib_addr_get_pkey(dev_addr));
rec.join_state = 1;
id_priv->id.port_num, &rec,
comp_mask, GFP_KERNEL,
cma_ib_mc_handler, mc);
- return PTR_RET(mc->multicast.ib);
+ return PTR_ERR_OR_ZERO(mc->multicast.ib);
}
static void iboe_mcast_work_handler(struct work_struct *work)
if (!mc)
return -ENOMEM;
- memcpy(&mc->addr, addr, ip_addr_size(addr));
+ memcpy(&mc->addr, addr, rdma_addr_size(addr));
mc->context = context;
mc->id_priv = id_priv;
id_priv = container_of(id, struct rdma_id_private, id);
spin_lock_irq(&id_priv->lock);
list_for_each_entry(mc, &id_priv->mc_list, list) {
- if (!memcmp(&mc->addr, addr, ip_addr_size(addr))) {
+ if (!memcmp(&mc->addr, addr, rdma_addr_size(addr))) {
list_del(&mc->list);
spin_unlock_irq(&id_priv->lock);
id_stats->bound_dev_if =
id->route.addr.dev_addr.bound_dev_if;
- if (id->route.addr.src_addr.ss_family == AF_INET) {
- if (ibnl_put_attr(skb, nlh,
- sizeof(struct sockaddr_in),
- &id->route.addr.src_addr,
- RDMA_NL_RDMA_CM_ATTR_SRC_ADDR)) {
- goto out;
- }
- if (ibnl_put_attr(skb, nlh,
- sizeof(struct sockaddr_in),
- &id->route.addr.dst_addr,
- RDMA_NL_RDMA_CM_ATTR_DST_ADDR)) {
- goto out;
- }
- } else if (id->route.addr.src_addr.ss_family == AF_INET6) {
- if (ibnl_put_attr(skb, nlh,
- sizeof(struct sockaddr_in6),
- &id->route.addr.src_addr,
- RDMA_NL_RDMA_CM_ATTR_SRC_ADDR)) {
- goto out;
- }
- if (ibnl_put_attr(skb, nlh,
- sizeof(struct sockaddr_in6),
- &id->route.addr.dst_addr,
- RDMA_NL_RDMA_CM_ATTR_DST_ADDR)) {
- goto out;
- }
- }
+ if (ibnl_put_attr(skb, nlh,
+ rdma_addr_size(cma_src_addr(id_priv)),
+ cma_src_addr(id_priv),
+ RDMA_NL_RDMA_CM_ATTR_SRC_ADDR))
+ goto out;
+ if (ibnl_put_attr(skb, nlh,
+ rdma_addr_size(cma_src_addr(id_priv)),
+ cma_dst_addr(id_priv),
+ RDMA_NL_RDMA_CM_ATTR_DST_ADDR))
+ goto out;
id_stats->pid = id_priv->owner;
id_stats->port_space = id->ps;
rdma_addr_unregister_client(&addr_client);
ib_sa_unregister_client(&sa_client);
destroy_workqueue(cma_wq);
- idr_destroy(&sdp_ps);
idr_destroy(&tcp_ps);
idr_destroy(&udp_ps);
idr_destroy(&ipoib_ps);
projects / cascardo / linux.git / blobdiff