diff options
| -rw-r--r-- | drivers/infiniband/core/cma.c | 107 | ||||
| -rw-r--r-- | include/rdma/rdma_cm.h | 5 |
2 files changed, 91 insertions, 21 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 2b1041c5844c..8465c6adaddb 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -729,12 +729,22 @@ static int cma_addr_cmp(struct sockaddr *src, struct sockaddr *dst) } } -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) @@ -2139,10 +2149,29 @@ EXPORT_SYMBOL(rdma_set_afonly); 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 = (struct sockaddr *) &id_priv->id.route.addr.src_addr; + 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); } @@ -2269,31 +2298,67 @@ static int cma_bind_listen(struct rdma_id_private *id_priv) 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; + return &sdp_ps; 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 *) &id_priv->id.route.addr.src_addr; + 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 (id_priv->id.route.addr.src_addr.ss_family != 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)) ret = cma_alloc_any_port(ps, id_priv); diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h index ad3a3142383a..1e6c3c7af898 100644 --- a/include/rdma/rdma_cm.h +++ b/include/rdma/rdma_cm.h @@ -70,6 +70,11 @@ enum rdma_port_space { RDMA_PS_UDP = 0x0111, }; +#define RDMA_IB_IP_PS_MASK 0xFFFFFFFFFFFF0000ULL +#define RDMA_IB_IP_PS_TCP 0x0000000001060000ULL +#define RDMA_IB_IP_PS_UDP 0x0000000001110000ULL +#define RDMA_IB_IP_PS_IB 0x00000000013F0000ULL + struct rdma_addr { struct sockaddr_storage src_addr; struct sockaddr_storage dst_addr; |