diff options
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r-- | drivers/infiniband/core/addr.c | 196 | ||||
-rw-r--r-- | drivers/infiniband/core/cma.c | 86 |
2 files changed, 211 insertions, 71 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 09a2bec7fd32..d98b05b28262 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -41,6 +41,8 @@ #include <net/neighbour.h> #include <net/route.h> #include <net/netevent.h> +#include <net/addrconf.h> +#include <net/ip6_route.h> #include <rdma/ib_addr.h> MODULE_AUTHOR("Sean Hefty"); @@ -49,8 +51,8 @@ MODULE_LICENSE("Dual BSD/GPL"); struct addr_req { struct list_head list; - struct sockaddr src_addr; - struct sockaddr dst_addr; + struct sockaddr_storage src_addr; + struct sockaddr_storage dst_addr; struct rdma_dev_addr *addr; struct rdma_addr_client *client; void *context; @@ -113,15 +115,32 @@ EXPORT_SYMBOL(rdma_copy_addr); int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr) { struct net_device *dev; - __be32 ip = ((struct sockaddr_in *) addr)->sin_addr.s_addr; - int ret; + int ret = -EADDRNOTAVAIL; - dev = ip_dev_find(&init_net, ip); - if (!dev) - return -EADDRNOTAVAIL; + switch (addr->sa_family) { + case AF_INET: + dev = ip_dev_find(&init_net, + ((struct sockaddr_in *) addr)->sin_addr.s_addr); + + if (!dev) + return ret; - ret = rdma_copy_addr(dev_addr, dev, NULL); - dev_put(dev); + ret = rdma_copy_addr(dev_addr, dev, NULL); + dev_put(dev); + break; + case AF_INET6: + for_each_netdev(&init_net, dev) { + if (ipv6_chk_addr(&init_net, + &((struct sockaddr_in6 *) addr)->sin6_addr, + dev, 1)) { + ret = rdma_copy_addr(dev_addr, dev, NULL); + break; + } + } + break; + default: + break; + } return ret; } EXPORT_SYMBOL(rdma_translate_ip); @@ -156,22 +175,37 @@ static void queue_req(struct addr_req *req) mutex_unlock(&lock); } -static void addr_send_arp(struct sockaddr_in *dst_in) +static void addr_send_arp(struct sockaddr *dst_in) { struct rtable *rt; struct flowi fl; - __be32 dst_ip = dst_in->sin_addr.s_addr; + struct dst_entry *dst; memset(&fl, 0, sizeof fl); - fl.nl_u.ip4_u.daddr = dst_ip; - if (ip_route_output_key(&init_net, &rt, &fl)) - return; + if (dst_in->sa_family == AF_INET) { + fl.nl_u.ip4_u.daddr = + ((struct sockaddr_in *) dst_in)->sin_addr.s_addr; - neigh_event_send(rt->u.dst.neighbour, NULL); - ip_rt_put(rt); + if (ip_route_output_key(&init_net, &rt, &fl)) + return; + + neigh_event_send(rt->u.dst.neighbour, NULL); + ip_rt_put(rt); + + } else { + fl.nl_u.ip6_u.daddr = + ((struct sockaddr_in6 *) dst_in)->sin6_addr; + + dst = ip6_route_output(&init_net, NULL, &fl); + if (!dst) + return; + + neigh_event_send(dst->neighbour, NULL); + dst_release(dst); + } } -static int addr_resolve_remote(struct sockaddr_in *src_in, +static int addr4_resolve_remote(struct sockaddr_in *src_in, struct sockaddr_in *dst_in, struct rdma_dev_addr *addr) { @@ -220,10 +254,51 @@ out: return ret; } +static int addr6_resolve_remote(struct sockaddr_in6 *src_in, + struct sockaddr_in6 *dst_in, + struct rdma_dev_addr *addr) +{ + struct flowi fl; + struct neighbour *neigh; + struct dst_entry *dst; + int ret = -ENODATA; + + memset(&fl, 0, sizeof fl); + fl.nl_u.ip6_u.daddr = dst_in->sin6_addr; + fl.nl_u.ip6_u.saddr = src_in->sin6_addr; + + dst = ip6_route_output(&init_net, NULL, &fl); + if (!dst) + return ret; + + if (dst->dev->flags & IFF_NOARP) { + ret = rdma_copy_addr(addr, dst->dev, NULL); + } else { + neigh = dst->neighbour; + if (neigh && (neigh->nud_state & NUD_VALID)) + ret = rdma_copy_addr(addr, neigh->dev, neigh->ha); + } + + dst_release(dst); + return ret; +} + +static int addr_resolve_remote(struct sockaddr *src_in, + struct sockaddr *dst_in, + struct rdma_dev_addr *addr) +{ + if (src_in->sa_family == AF_INET) { + return addr4_resolve_remote((struct sockaddr_in *) src_in, + (struct sockaddr_in *) dst_in, addr); + } else + return addr6_resolve_remote((struct sockaddr_in6 *) src_in, + (struct sockaddr_in6 *) dst_in, addr); +} + static void process_req(struct work_struct *work) { struct addr_req *req, *temp_req; - struct sockaddr_in *src_in, *dst_in; + struct sockaddr *src_in, *dst_in; struct list_head done_list; INIT_LIST_HEAD(&done_list); @@ -231,8 +306,8 @@ static void process_req(struct work_struct *work) mutex_lock(&lock); list_for_each_entry_safe(req, temp_req, &req_list, list) { if (req->status == -ENODATA) { - src_in = (struct sockaddr_in *) &req->src_addr; - dst_in = (struct sockaddr_in *) &req->dst_addr; + src_in = (struct sockaddr *) &req->src_addr; + dst_in = (struct sockaddr *) &req->dst_addr; req->status = addr_resolve_remote(src_in, dst_in, req->addr); if (req->status && time_after_eq(jiffies, req->timeout)) @@ -251,41 +326,72 @@ static void process_req(struct work_struct *work) list_for_each_entry_safe(req, temp_req, &done_list, list) { list_del(&req->list); - req->callback(req->status, &req->src_addr, req->addr, - req->context); + req->callback(req->status, (struct sockaddr *) &req->src_addr, + req->addr, req->context); put_client(req->client); kfree(req); } } -static int addr_resolve_local(struct sockaddr_in *src_in, - struct sockaddr_in *dst_in, +static int addr_resolve_local(struct sockaddr *src_in, + struct sockaddr *dst_in, struct rdma_dev_addr *addr) { struct net_device *dev; - __be32 src_ip = src_in->sin_addr.s_addr; - __be32 dst_ip = dst_in->sin_addr.s_addr; int ret; - dev = ip_dev_find(&init_net, dst_ip); - if (!dev) - return -EADDRNOTAVAIL; - - if (ipv4_is_zeronet(src_ip)) { - src_in->sin_family = dst_in->sin_family; - src_in->sin_addr.s_addr = dst_ip; - ret = rdma_copy_addr(addr, dev, dev->dev_addr); - } else if (ipv4_is_loopback(src_ip)) { - ret = rdma_translate_ip((struct sockaddr *)dst_in, addr); - if (!ret) - memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + if (dst_in->sa_family == AF_INET) { + __be32 src_ip = ((struct sockaddr_in *) src_in)->sin_addr.s_addr; + __be32 dst_ip = ((struct sockaddr_in *) dst_in)->sin_addr.s_addr; + + dev = ip_dev_find(&init_net, dst_ip); + if (!dev) + return -EADDRNOTAVAIL; + + if (ipv4_is_zeronet(src_ip)) { + src_in->sa_family = dst_in->sa_family; + ((struct sockaddr_in *) src_in)->sin_addr.s_addr = dst_ip; + ret = rdma_copy_addr(addr, dev, dev->dev_addr); + } else if (ipv4_is_loopback(src_ip)) { + ret = rdma_translate_ip(dst_in, addr); + if (!ret) + memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + } else { + ret = rdma_translate_ip(src_in, addr); + if (!ret) + memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + } + dev_put(dev); } else { - ret = rdma_translate_ip((struct sockaddr *)src_in, addr); - if (!ret) - memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + struct in6_addr *a; + + for_each_netdev(&init_net, dev) + if (ipv6_chk_addr(&init_net, + &((struct sockaddr_in6 *) addr)->sin6_addr, + dev, 1)) + break; + + if (!dev) + return -EADDRNOTAVAIL; + + a = &((struct sockaddr_in6 *) src_in)->sin6_addr; + + if (ipv6_addr_any(a)) { + src_in->sa_family = dst_in->sa_family; + ((struct sockaddr_in6 *) src_in)->sin6_addr = + ((struct sockaddr_in6 *) dst_in)->sin6_addr; + ret = rdma_copy_addr(addr, dev, dev->dev_addr); + } else if (ipv6_addr_loopback(a)) { + ret = rdma_translate_ip(dst_in, addr); + if (!ret) + memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + } else { + ret = rdma_translate_ip(src_in, addr); + if (!ret) + memcpy(addr->dst_dev_addr, dev->dev_addr, MAX_ADDR_LEN); + } } - dev_put(dev); return ret; } @@ -296,7 +402,7 @@ int rdma_resolve_ip(struct rdma_addr_client *client, struct rdma_dev_addr *addr, void *context), void *context) { - struct sockaddr_in *src_in, *dst_in; + struct sockaddr *src_in, *dst_in; struct addr_req *req; int ret = 0; @@ -313,8 +419,8 @@ int rdma_resolve_ip(struct rdma_addr_client *client, req->client = client; atomic_inc(&client->refcount); - src_in = (struct sockaddr_in *) &req->src_addr; - dst_in = (struct sockaddr_in *) &req->dst_addr; + src_in = (struct sockaddr *) &req->src_addr; + dst_in = (struct sockaddr *) &req->dst_addr; req->status = addr_resolve_local(src_in, dst_in, addr); if (req->status == -EADDRNOTAVAIL) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index d951896ff7fc..2a2e50871b40 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -42,6 +42,7 @@ #include <linux/inetdevice.h> #include <net/tcp.h> +#include <net/ipv6.h> #include <rdma/rdma_cm.h> #include <rdma/rdma_cm_ib.h> @@ -636,7 +637,12 @@ static inline int cma_zero_addr(struct sockaddr *addr) static inline int cma_loopback_addr(struct sockaddr *addr) { - return ipv4_is_loopback(((struct sockaddr_in *) addr)->sin_addr.s_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); } static inline int cma_any_addr(struct sockaddr *addr) @@ -1467,10 +1473,10 @@ static void cma_listen_on_all(struct rdma_id_private *id_priv) static int cma_bind_any(struct rdma_cm_id *id, sa_family_t af) { - struct sockaddr_in addr_in; + struct sockaddr_storage addr_in; memset(&addr_in, 0, sizeof addr_in); - addr_in.sin_family = af; + addr_in.ss_family = af; return rdma_bind_addr(id, (struct sockaddr *) &addr_in); } @@ -2073,7 +2079,7 @@ 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) + if (addr->sa_family != AF_INET && addr->sa_family != AF_INET6) return -EAFNOSUPPORT; id_priv = container_of(id, struct rdma_id_private, id); @@ -2113,31 +2119,59 @@ EXPORT_SYMBOL(rdma_bind_addr); static int cma_format_hdr(void *hdr, enum rdma_port_space ps, struct rdma_route *route) { - struct sockaddr_in *src4, *dst4; struct cma_hdr *cma_hdr; struct sdp_hh *sdp_hdr; - 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; + if (route->addr.src_addr.ss_family == 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 { + 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; + } } return 0; } |