diff options
author | Aleksey Senin <alekseys@voltaire.com> | 2008-12-24 21:16:45 +0300 |
---|---|---|
committer | Roland Dreier <rolandd@cisco.com> | 2008-12-24 21:16:45 +0300 |
commit | 1f5175adeaa1d161f603ef351785a19814dfe900 (patch) | |
tree | a59fedf04bbe4ae60708ca949b8379367d703be4 /drivers/infiniband | |
parent | 38617c64bf9a10bf20e41d95b69bb81e8560fe9d (diff) | |
download | linux-1f5175adeaa1d161f603ef351785a19814dfe900.tar.xz |
RDMA/cma: Add IPv6 support
Handle AF_INET6 cases where required, and use struct sockaddr_storage
wherever an IPv6 address might be stored.
Signed-off-by: Aleksey Senin <aleksey@alst60.(none)>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r-- | drivers/infiniband/core/cma.c | 86 |
1 files changed, 60 insertions, 26 deletions
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; } |