diff options
| author | Sean Hefty <sean.hefty@intel.com> | 2013-05-29 10:09:12 -0700 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-06-20 13:08:03 -0700 |
| commit | 680f920a2e24725e694d9958a08226384750217b (patch) | |
| tree | 02bc1a2340f9ebcc19effb0873d9cdb69624ffea /drivers/infiniband/core | |
| parent | 58afdcb7382234ebd780e43b17edde92a5853cca (diff) | |
RDMA/cma: Allow user to specify AF_IB when binding
Modify rdma_bind_addr to allow the user to specify AF_IB when binding
to a device. AF_IB indicates that the user is not mapping an IP
address to the native IB addressing. (The mapping may have already
been done, or is not needed)
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | drivers/infiniband/core/cma.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 8465c6adaddb..1e9f3115ee91 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -359,6 +359,27 @@ static int find_gid_port(struct ib_device *device, union ib_gid *gid, u8 port_nu 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; @@ -1136,8 +1157,8 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, 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((struct sockaddr *) &rt->addr.src_addr, + &rt->addr.dev_addr); if (ret) goto err; } @@ -1176,8 +1197,8 @@ static struct rdma_id_private *cma_new_udp_id(struct rdma_cm_id *listen_id, 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((struct sockaddr *) &id->route.addr.src_addr, + &id->route.addr.dev_addr); if (ret) goto err; } @@ -2443,7 +2464,8 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) 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); @@ -2455,7 +2477,7 @@ int rdma_bind_addr(struct rdma_cm_id *id, struct sockaddr *addr) 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; |