X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fnet.c;h=dd06861cf4b841852255ad84ac29c76ad25c568a;hp=a70e56e6d5095b01455a6f2ca234448dbe7635f0;hb=68631b36e37e1ecaadc1e5697ead4adc21640562;hpb=62232d0618e3f5aa4805b4be34e872895ba1beb2 diff --git a/engines/net.c b/engines/net.c index a70e56e6..dd06861c 100644 --- a/engines/net.c +++ b/engines/net.c @@ -27,6 +27,7 @@ struct netio_data { int use_splice; int pipes[2]; struct sockaddr_in addr; + struct sockaddr_in6 addr6; struct sockaddr_un addr_un; }; @@ -37,6 +38,8 @@ struct netio_options { unsigned int listen; unsigned int pingpong; unsigned int nodelay; + unsigned int ttl; + char *intfc; }; struct udp_close_msg { @@ -52,6 +55,8 @@ enum { FIO_TYPE_TCP = 1, FIO_TYPE_UDP = 2, FIO_TYPE_UNIX = 3, + FIO_TYPE_TCP_V6 = 4, + FIO_TYPE_UDP_V6 = 5, }; static int str_hostname_cb(void *data, const char *input); @@ -62,7 +67,8 @@ static struct fio_option options[] = { .type = FIO_OPT_STR_STORE, .cb = str_hostname_cb, .help = "Hostname for net IO engine", - .category = FIO_OPT_C_IO, + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, }, { .name = "port", @@ -72,7 +78,8 @@ static struct fio_option options[] = { .minval = 1, .maxval = 65535, .help = "Port to use for TCP or UDP net connections", - .category = FIO_OPT_C_IO, + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, }, { .name = "protocol", @@ -82,21 +89,34 @@ static struct fio_option options[] = { .off1 = offsetof(struct netio_options, proto), .help = "Network protocol to use", .def = "tcp", - .category = FIO_OPT_C_IO, .posval = { { .ival = "tcp", .oval = FIO_TYPE_TCP, .help = "Transmission Control Protocol", }, +#ifdef CONFIG_IPV6 + { .ival = "tcpv6", + .oval = FIO_TYPE_TCP_V6, + .help = "Transmission Control Protocol V6", + }, +#endif { .ival = "udp", .oval = FIO_TYPE_UDP, .help = "User Datagram Protocol", }, +#ifdef CONFIG_IPV6 + { .ival = "udpv6", + .oval = FIO_TYPE_UDP_V6, + .help = "User Datagram Protocol V6", + }, +#endif { .ival = "unix", .oval = FIO_TYPE_UNIX, .help = "UNIX domain socket", }, }, + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, }, #ifdef CONFIG_TCP_NODELAY { @@ -104,6 +124,8 @@ static struct fio_option options[] = { .type = FIO_OPT_BOOL, .off1 = offsetof(struct netio_options, nodelay), .help = "Use TCP_NODELAY on TCP connections", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, }, #endif { @@ -112,19 +134,57 @@ static struct fio_option options[] = { .type = FIO_OPT_STR_SET, .off1 = offsetof(struct netio_options, listen), .help = "Listen for incoming TCP connections", - .category = FIO_OPT_C_IO, + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, }, { .name = "pingpong", .type = FIO_OPT_STR_SET, .off1 = offsetof(struct netio_options, pingpong), .help = "Ping-pong IO requests", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "interface", + .lname = "net engine interface", + .type = FIO_OPT_STR_STORE, + .off1 = offsetof(struct netio_options, intfc), + .help = "Network interface to use", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "ttl", + .lname = "net engine multicast ttl", + .type = FIO_OPT_INT, + .off1 = offsetof(struct netio_options, ttl), + .def = "1", + .minval = 0, + .help = "Time-to-live value for outgoing UDP multicast packets", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, }, { .name = NULL, }, }; +static inline int is_udp(struct netio_options *o) +{ + return o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_UDP_V6; +} + +static inline int is_tcp(struct netio_options *o) +{ + return o->proto == FIO_TYPE_TCP || o->proto == FIO_TYPE_TCP_V6; +} + +static inline int is_ipv6(struct netio_options *o) +{ + return o->proto == FIO_TYPE_UDP_V6 || o->proto == FIO_TYPE_TCP_V6; +} + /* * Return -1 for error and 'nr events' for a positive number * of events @@ -156,6 +216,20 @@ static int poll_wait(struct thread_data *td, int fd, short events) return -1; } +static int fio_netio_is_multicast(const char *mcaddr) +{ + in_addr_t addr = inet_network(mcaddr); + if (addr == -1) + return 0; + + if (inet_network("224.0.0.0") <= addr && + inet_network("239.255.255.255") >= addr) + return 1; + + return 0; +} + + static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) { struct netio_options *o = td->eo; @@ -163,7 +237,7 @@ static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) /* * Make sure we don't see spurious reads to a receiver, and vice versa */ - if (o->proto == FIO_TYPE_TCP) + if (is_tcp(o)) return 0; if ((o->listen && io_u->ddir == DDIR_WRITE) || @@ -317,12 +391,20 @@ static int fio_netio_send(struct thread_data *td, struct io_u *io_u) int ret, flags = 0; do { - if (o->proto == FIO_TYPE_UDP) { - struct sockaddr *to = (struct sockaddr *) &nd->addr; + if (is_udp(o)) { + struct sockaddr *to; + socklen_t len; + + if (is_ipv6(o)) { + to = (struct sockaddr *) &nd->addr6; + len = sizeof(nd->addr6); + } else { + to = (struct sockaddr *) &nd->addr; + len = sizeof(nd->addr); + } ret = sendto(io_u->file->fd, io_u->xfer_buf, - io_u->xfer_buflen, flags, to, - sizeof(*to)); + io_u->xfer_buflen, flags, to, len); } else { /* * if we are going to write more, set MSG_MORE @@ -369,12 +451,25 @@ static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) int ret, flags = 0; do { - if (o->proto == FIO_TYPE_UDP) { - socklen_t len = sizeof(nd->addr); - struct sockaddr *from = (struct sockaddr *) &nd->addr; + if (is_udp(o)) { + struct sockaddr *from; + socklen_t l, *len = &l; + + if (o->listen) { + if (!is_ipv6(o)) { + from = (struct sockaddr *) &nd->addr; + *len = sizeof(nd->addr); + } else { + from = (struct sockaddr *) &nd->addr6; + *len = sizeof(nd->addr6); + } + } else { + from = NULL; + len = NULL; + } ret = recvfrom(io_u->file->fd, io_u->xfer_buf, - io_u->xfer_buflen, flags, from, &len); + io_u->xfer_buflen, flags, from, len); if (is_udp_close(io_u, ret)) { td->done = 1; return 0; @@ -405,13 +500,13 @@ static int __fio_netio_queue(struct thread_data *td, struct io_u *io_u, int ret; if (ddir == DDIR_WRITE) { - if (!nd->use_splice || o->proto == FIO_TYPE_UDP || + if (!nd->use_splice || is_udp(o) || o->proto == FIO_TYPE_UNIX) ret = fio_netio_send(td, io_u); else ret = fio_netio_splice_out(td, io_u); } else if (ddir == DDIR_READ) { - if (!nd->use_splice || o->proto == FIO_TYPE_UDP || + if (!nd->use_splice || is_udp(o) || o->proto == FIO_TYPE_UNIX) ret = fio_netio_recv(td, io_u); else @@ -471,9 +566,15 @@ static int fio_netio_connect(struct thread_data *td, struct fio_file *f) if (o->proto == FIO_TYPE_TCP) { domain = AF_INET; type = SOCK_STREAM; + } else if (o->proto == FIO_TYPE_TCP_V6) { + domain = AF_INET6; + type = SOCK_STREAM; } else if (o->proto == FIO_TYPE_UDP) { domain = AF_INET; type = SOCK_DGRAM; + } else if (o->proto == FIO_TYPE_UDP_V6) { + domain = AF_INET6; + type = SOCK_DGRAM; } else if (o->proto == FIO_TYPE_UNIX) { domain = AF_UNIX; type = SOCK_STREAM; @@ -490,7 +591,7 @@ static int fio_netio_connect(struct thread_data *td, struct fio_file *f) } #ifdef CONFIG_TCP_NODELAY - if (o->nodelay && o->proto == FIO_TYPE_TCP) { + if (o->nodelay && is_tcp(o)) { int optval = 1; if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { @@ -500,9 +601,36 @@ static int fio_netio_connect(struct thread_data *td, struct fio_file *f) } #endif - if (o->proto == FIO_TYPE_UDP) + if (is_udp(o)) { + if (!fio_netio_is_multicast(td->o.filename)) + return 0; + if (is_ipv6(o)) { + log_err("fio: multicast not supported on IPv6\n"); + close(f->fd); + return 1; + } + + if (o->intfc) { + struct in_addr interface_addr; + + if (inet_aton(o->intfc, &interface_addr) == 0) { + log_err("fio: interface not valid interface IP\n"); + close(f->fd); + return 1; + } + if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, (const char*)&interface_addr, sizeof(interface_addr)) < 0) { + td_verror(td, errno, "setsockopt IP_MULTICAST_IF"); + close(f->fd); + return 1; + } + } + if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_TTL, (const char*)&o->ttl, sizeof(o->ttl)) < 0) { + td_verror(td, errno, "setsockopt IP_MULTICAST_TTL"); + close(f->fd); + return 1; + } return 0; - else if (o->proto == FIO_TYPE_TCP) { + } else if (o->proto == FIO_TYPE_TCP) { socklen_t len = sizeof(nd->addr); if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { @@ -510,6 +638,15 @@ static int fio_netio_connect(struct thread_data *td, struct fio_file *f) close(f->fd); return 1; } + } else if (o->proto == FIO_TYPE_TCP_V6) { + socklen_t len = sizeof(nd->addr6); + + if (connect(f->fd, (struct sockaddr *) &nd->addr6, len) < 0) { + td_verror(td, errno, "connect"); + close(f->fd); + return 1; + } + } else { struct sockaddr_un *addr = &nd->addr_un; socklen_t len; @@ -530,10 +667,10 @@ static int fio_netio_accept(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; struct netio_options *o = td->eo; - socklen_t socklen = sizeof(nd->addr); + socklen_t socklen; int state; - if (o->proto == FIO_TYPE_UDP) { + if (is_udp(o)) { f->fd = nd->listenfd; return 0; } @@ -546,14 +683,21 @@ static int fio_netio_accept(struct thread_data *td, struct fio_file *f) if (poll_wait(td, nd->listenfd, POLLIN) < 0) goto err; - f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); + if (o->proto == FIO_TYPE_TCP) { + socklen = sizeof(nd->addr); + f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); + } else { + socklen = sizeof(nd->addr6); + f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr6, &socklen); + } + if (f->fd < 0) { td_verror(td, errno, "accept"); goto err; } #ifdef CONFIG_TCP_NODELAY - if (o->nodelay && o->proto == FIO_TYPE_TCP) { + if (o->nodelay && is_tcp(o)) { int optval = 1; if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { @@ -574,15 +718,24 @@ err: static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; struct udp_close_msg msg; - struct sockaddr *to = (struct sockaddr *) &nd->addr; + struct sockaddr *to; + socklen_t len; int ret; + if (is_ipv6(o)) { + to = (struct sockaddr *) &nd->addr6; + len = sizeof(nd->addr6); + } else { + to = (struct sockaddr *) &nd->addr; + len = sizeof(nd->addr); + } + msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); msg.cmd = htonl(FIO_LINK_CLOSE); - ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, - sizeof(nd->addr)); + ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); if (ret < 0) td_verror(td, errno, "sendto udp link close"); } @@ -595,7 +748,7 @@ static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) * If this is an UDP connection, notify the receiver that we are * closing down the link */ - if (o->proto == FIO_TYPE_UDP) + if (is_udp(o)) fio_netio_udp_close(td, f); return generic_close_file(td, f); @@ -604,14 +757,23 @@ static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; struct udp_close_msg msg; - struct sockaddr *to = (struct sockaddr *) &nd->addr; - socklen_t len = sizeof(nd->addr); + struct sockaddr *to; + socklen_t len; int ret; + if (is_ipv6(o)) { + len = sizeof(nd->addr6); + to = (struct sockaddr *) &nd->addr6; + } else { + len = sizeof(nd->addr); + to = (struct sockaddr *) &nd->addr; + } + ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len); if (ret < 0) { - td_verror(td, errno, "sendto udp link open"); + td_verror(td, errno, "recvfrom udp link open"); return ret; } @@ -628,15 +790,24 @@ static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; struct udp_close_msg msg; - struct sockaddr *to = (struct sockaddr *) &nd->addr; + struct sockaddr *to; + socklen_t len; int ret; + if (is_ipv6(o)) { + len = sizeof(nd->addr6); + to = (struct sockaddr *) &nd->addr6; + } else { + len = sizeof(nd->addr); + to = (struct sockaddr *) &nd->addr; + } + msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); msg.cmd = htonl(FIO_LINK_OPEN); - ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, - sizeof(nd->addr)); + ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); if (ret < 0) { td_verror(td, errno, "sendto udp link open"); return ret; @@ -660,7 +831,7 @@ static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) return ret; } - if (o->proto == FIO_TYPE_UDP) { + if (is_udp(o)) { if (td_write(td)) ret = fio_netio_udp_send_open(td, f); else { @@ -679,10 +850,52 @@ static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) return ret; } +static int fio_fill_addr(struct thread_data *td, const char *host, int af, + void *dst, struct addrinfo **res) +{ + struct netio_options *o = td->eo; + struct addrinfo hints; + int ret; + + if (inet_pton(af, host, dst)) + return 0; + + memset(&hints, 0, sizeof(hints)); + + if (is_tcp(o)) + hints.ai_socktype = SOCK_STREAM; + else + hints.ai_socktype = SOCK_DGRAM; + + if (is_ipv6(o)) + hints.ai_family = AF_INET6; + else + hints.ai_family = AF_INET; + + ret = getaddrinfo(host, NULL, &hints, res); + if (ret) { + int e = EINVAL; + char str[128]; + + if (ret == EAI_SYSTEM) + e = errno; + + snprintf(str, sizeof(str), "getaddrinfo: %s", gai_strerror(ret)); + td_verror(td, e, str); + return 1; + } + + return 0; +} + static int fio_netio_setup_connect_inet(struct thread_data *td, const char *host, unsigned short port) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; + struct addrinfo *res = NULL; + void *dst, *src; + int af, len; if (!host) { log_err("fio: connect with no host to connect to.\n"); @@ -695,19 +908,33 @@ static int fio_netio_setup_connect_inet(struct thread_data *td, nd->addr.sin_family = AF_INET; nd->addr.sin_port = htons(port); + nd->addr6.sin6_family = AF_INET6; + nd->addr6.sin6_port = htons(port); - if (inet_aton(host, &nd->addr.sin_addr) != 1) { - struct hostent *hent; + if (is_ipv6(o)) { + af = AF_INET6; + dst = &nd->addr6.sin6_addr; + } else { + af = AF_INET; + dst = &nd->addr.sin_addr; + } - hent = gethostbyname(host); - if (!hent) { - td_verror(td, errno, "gethostbyname"); - return 1; - } + if (fio_fill_addr(td, host, af, dst, &res)) + return 1; + + if (!res) + return 0; - memcpy(&nd->addr.sin_addr, hent->h_addr, 4); + if (is_ipv6(o)) { + len = sizeof(nd->addr6.sin6_addr); + src = &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr; + } else { + len = sizeof(nd->addr.sin_addr); + src = &((struct sockaddr_in *) res->ai_addr)->sin_addr; } + memcpy(dst, src, len); + freeaddrinfo(res); return 0; } @@ -726,7 +953,7 @@ static int fio_netio_setup_connect(struct thread_data *td) { struct netio_options *o = td->eo; - if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) + if (is_udp(o) || is_tcp(o)) return fio_netio_setup_connect_inet(td, td->o.filename,o->port); else return fio_netio_setup_connect_unix(td, td->o.filename); @@ -769,14 +996,34 @@ static int fio_netio_setup_listen_inet(struct thread_data *td, short port) { struct netio_data *nd = td->io_ops->data; struct netio_options *o = td->eo; - int fd, opt, type; + struct ip_mreq mr; + struct sockaddr_in sin; + struct sockaddr_in6 sin6; + struct sockaddr *saddr; + int fd, opt, type, domain; + socklen_t len; - if (o->proto == FIO_TYPE_TCP) + memset(&sin, 0, sizeof(sin)); + memset(&sin6, 0, sizeof(sin6)); + + if (o->proto == FIO_TYPE_TCP) { type = SOCK_STREAM; - else + domain = AF_INET; + } else if (o->proto == FIO_TYPE_TCP_V6) { + type = SOCK_STREAM; + domain = AF_INET6; + } else if (o->proto == FIO_TYPE_UDP) { type = SOCK_DGRAM; + domain = AF_INET; + } else if (o->proto == FIO_TYPE_UDP_V6) { + type = SOCK_DGRAM; + domain = AF_INET6; + } else { + log_err("fio: unknown proto %d\n", o->proto); + return 1; + } - fd = socket(AF_INET, type, 0); + fd = socket(domain, type, 0); if (fd < 0) { td_verror(td, errno, "socket"); return 1; @@ -785,20 +1032,66 @@ static int fio_netio_setup_listen_inet(struct thread_data *td, short port) opt = 1; if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) { td_verror(td, errno, "setsockopt"); + close(fd); return 1; } #ifdef SO_REUSEPORT if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) { td_verror(td, errno, "setsockopt"); + close(fd); return 1; } #endif - nd->addr.sin_family = AF_INET; - nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); - nd->addr.sin_port = htons(port); + if (td->o.filename) { + if (!is_udp(o) || !fio_netio_is_multicast(td->o.filename)) { + log_err("fio: hostname not valid for non-multicast inbound network IO\n"); + close(fd); + return 1; + } + if (is_ipv6(o)) { + log_err("fio: IPv6 not supported for multicast network IO"); + close(fd); + return 1; + } - if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { + inet_aton(td->o.filename, &sin.sin_addr); + + mr.imr_multiaddr = sin.sin_addr; + if (o->intfc) { + if (inet_aton(o->intfc, &mr.imr_interface) == 0) { + log_err("fio: interface not valid interface IP\n"); + close(fd); + return 1; + } + } else { + mr.imr_interface.s_addr = htonl(INADDR_ANY); + } + + if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char*)&mr, sizeof(mr)) < 0) { + td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP"); + close(fd); + return 1; + } + } + + if (!is_ipv6(o)) { + saddr = (struct sockaddr *) &nd->addr; + len = sizeof(nd->addr); + + nd->addr.sin_family = AF_INET; + nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY); + nd->addr.sin_port = htons(port); + } else { + saddr = (struct sockaddr *) &nd->addr6; + len = sizeof(nd->addr6); + + nd->addr6.sin6_family = AF_INET6; + nd->addr6.sin6_addr = sin6.sin6_addr.s6_addr ? sin6.sin6_addr : in6addr_any; + nd->addr6.sin6_port = htons(port); + } + + if (bind(fd, saddr, len) < 0) { td_verror(td, errno, "bind"); return 1; } @@ -813,14 +1106,14 @@ static int fio_netio_setup_listen(struct thread_data *td) struct netio_options *o = td->eo; int ret; - if (o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_TCP) + if (is_udp(o) || is_tcp(o)) ret = fio_netio_setup_listen_inet(td, o->port); else ret = fio_netio_setup_listen_unix(td, td->o.filename); if (ret) return ret; - if (o->proto == FIO_TYPE_UDP) + if (is_udp(o)) return 0; if (listen(nd->listenfd, 10) < 0) { @@ -855,7 +1148,7 @@ static int fio_netio_init(struct thread_data *td) return 1; } - if (o->proto != FIO_TYPE_TCP) { + if (!is_tcp(o)) { if (o->listen) { log_err("fio: listen only valid for TCP proto IO\n"); return 1; @@ -872,11 +1165,6 @@ static int fio_netio_init(struct thread_data *td) o->listen = td_read(td); } - if (o->proto != FIO_TYPE_UNIX && o->listen && td->o.filename) { - log_err("fio: hostname not valid for inbound network IO\n"); - return 1; - } - if (o->listen) ret = fio_netio_setup_listen(td); else @@ -906,7 +1194,7 @@ static int fio_netio_setup(struct thread_data *td) struct netio_data *nd; if (!td->files_index) { - add_file(td, td->o.filename ?: "net"); + add_file(td, td->o.filename ?: "net", 0); td->o.nr_files = td->o.nr_files ?: 1; } @@ -978,7 +1266,7 @@ static struct ioengine_ops ioengine_rw = { .options = options, .option_struct_size = sizeof(struct netio_options), .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | - FIO_PIPEIO, + FIO_PIPEIO | FIO_BIT_BASED, }; static int str_hostname_cb(void *data, const char *input)