Date: Tue, 10 Oct 2017 12:36:41 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r324492 - head/sys/ofed/include/rdma Message-ID: <201710101236.v9ACafPP073202@repo.freebsd.org>
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Author: hselasky Date: Tue Oct 10 12:36:41 2017 New Revision: 324492 URL: https://svnweb.freebsd.org/changeset/base/324492 Log: Make sure the IPv6 scope ID gets zeroed inside the GID. Else searching for a valid GID entry based on IPv6 addresses can fail. Sponsored by: Mellanox Technologies MFC after: 1 week Modified: head/sys/ofed/include/rdma/ib_addr.h Modified: head/sys/ofed/include/rdma/ib_addr.h ============================================================================== --- head/sys/ofed/include/rdma/ib_addr.h Tue Oct 10 12:24:52 2017 (r324491) +++ head/sys/ofed/include/rdma/ib_addr.h Tue Oct 10 12:36:41 2017 (r324492) @@ -157,6 +157,12 @@ static inline int rdma_ip2gid(struct sockaddr *addr, u case AF_INET6: memcpy(gid->raw, &((struct sockaddr_in6 *)addr)->sin6_addr, 16); + /* make sure scope ID gets zeroed inside GID */ + if (IN6_IS_SCOPE_LINKLOCAL((struct in6_addr *)gid->raw) || + IN6_IS_ADDR_MC_INTFACELOCAL((struct in6_addr *)gid->raw)) { + gid->raw[2] = 0; + gid->raw[3] = 0; + } break; default: return -EINVAL;
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