X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fdpif-linux.c;h=804a90ffd5abe2047ff1472d47e06c5d5e5bc1d7;hb=f80022d9df98d29ee41176a4bc6cb91025da84b8;hp=aa1739d0adfa0c95de7d0722b46cac30c4873132;hpb=7e2d8aeaf5ef25408a6f345e2611b647851e0120;p=sliver-openvswitch.git diff --git a/lib/dpif-linux.c b/lib/dpif-linux.c index aa1739d0a..804a90ffd 100644 --- a/lib/dpif-linux.c +++ b/lib/dpif-linux.c @@ -47,7 +47,6 @@ #include "odp-util.h" #include "ofpbuf.h" #include "openvswitch/datapath-compat.h" -#include "openvswitch/tunnel.h" #include "packets.h" #include "poll-loop.h" #include "random.h" @@ -106,6 +105,8 @@ struct dpif_linux_flow { * the Netlink version of the command, even if actions_len is zero. */ const struct nlattr *key; /* OVS_FLOW_ATTR_KEY. */ size_t key_len; + const struct nlattr *mask; /* OVS_FLOW_ATTR_MASK. */ + size_t mask_len; const struct nlattr *actions; /* OVS_FLOW_ATTR_ACTIONS. */ size_t actions_len; const struct ovs_flow_stats *stats; /* OVS_FLOW_ATTR_STATS. */ @@ -168,7 +169,8 @@ static int dpif_linux_init(void); static void open_dpif(const struct dpif_linux_dp *, struct dpif **); static bool dpif_linux_nln_parse(struct ofpbuf *, void *); static void dpif_linux_port_changed(const void *vport, void *dpif); -static uint32_t dpif_linux_port_get_pid(const struct dpif *, uint32_t port_no); +static uint32_t dpif_linux_port_get_pid(const struct dpif *, + odp_port_t port_no); static void dpif_linux_vport_to_ofpbuf(const struct dpif_linux_vport *, struct ofpbuf *); @@ -260,7 +262,7 @@ open_dpif(const struct dpif_linux_dp *dp, struct dpif **dpifp) static void destroy_channels(struct dpif_linux *dpif) { - int i; + unsigned int i; if (dpif->epoll_fd < 0) { return; @@ -279,7 +281,7 @@ destroy_channels(struct dpif_linux *dpif) dpif_linux_vport_init(&vport_request); vport_request.cmd = OVS_VPORT_CMD_SET; vport_request.dp_ifindex = dpif->dp_ifindex; - vport_request.port_no = i; + vport_request.port_no = u32_to_odp(i); vport_request.upcall_pid = &upcall_pid; dpif_linux_vport_transact(&vport_request, NULL, NULL); @@ -299,9 +301,10 @@ destroy_channels(struct dpif_linux *dpif) } static int -add_channel(struct dpif_linux *dpif, uint32_t port_no, struct nl_sock *sock) +add_channel(struct dpif_linux *dpif, odp_port_t port_no, struct nl_sock *sock) { struct epoll_event event; + uint32_t port_idx = odp_to_u32(port_no); if (dpif->epoll_fd < 0) { return 0; @@ -309,11 +312,11 @@ add_channel(struct dpif_linux *dpif, uint32_t port_no, struct nl_sock *sock) /* We assume that the datapath densely chooses port numbers, which * can therefore be used as an index into an array of channels. */ - if (port_no >= dpif->uc_array_size) { - int new_size = port_no + 1; - int i; + if (port_idx >= dpif->uc_array_size) { + uint32_t new_size = port_idx + 1; + uint32_t i; - if (new_size > 65535) { + if (new_size > MAX_PORTS) { VLOG_WARN_RL(&error_rl, "%s: datapath port %"PRIu32" too big", dpif_name(&dpif->dpif), port_no); return EFBIG; @@ -332,33 +335,36 @@ add_channel(struct dpif_linux *dpif, uint32_t port_no, struct nl_sock *sock) memset(&event, 0, sizeof event); event.events = EPOLLIN; - event.data.u32 = port_no; + event.data.u32 = port_idx; if (epoll_ctl(dpif->epoll_fd, EPOLL_CTL_ADD, nl_sock_fd(sock), &event) < 0) { return errno; } - dpif->channels[port_no].sock = sock; - dpif->channels[port_no].last_poll = LLONG_MIN; + nl_sock_destroy(dpif->channels[port_idx].sock); + dpif->channels[port_idx].sock = sock; + dpif->channels[port_idx].last_poll = LLONG_MIN; return 0; } static void -del_channel(struct dpif_linux *dpif, uint32_t port_no) +del_channel(struct dpif_linux *dpif, odp_port_t port_no) { struct dpif_channel *ch; + uint32_t port_idx = odp_to_u32(port_no); - if (dpif->epoll_fd < 0 || port_no >= dpif->uc_array_size) { + if (dpif->epoll_fd < 0 || port_idx >= dpif->uc_array_size) { return; } - ch = &dpif->channels[port_no]; + ch = &dpif->channels[port_idx]; if (!ch->sock) { return; } epoll_ctl(dpif->epoll_fd, EPOLL_CTL_DEL, nl_sock_fd(ch->sock), NULL); + dpif->event_offset = dpif->n_events = 0; nl_sock_destroy(ch->sock); ch->sock = NULL; @@ -439,12 +445,12 @@ get_vport_type(const struct dpif_linux_vport *vport) case OVS_VPORT_TYPE_GRE64: return "gre64"; - case OVS_VPORT_TYPE_CAPWAP: - return "capwap"; - case OVS_VPORT_TYPE_VXLAN: return "vxlan"; + case OVS_VPORT_TYPE_LISP: + return "lisp"; + case OVS_VPORT_TYPE_UNSPEC: case __OVS_VPORT_TYPE_MAX: break; @@ -468,10 +474,10 @@ netdev_to_ovs_vport_type(const struct netdev *netdev) return OVS_VPORT_TYPE_GRE64; } else if (strstr(type, "gre")) { return OVS_VPORT_TYPE_GRE; - } else if (!strcmp(type, "capwap")) { - return OVS_VPORT_TYPE_CAPWAP; } else if (!strcmp(type, "vxlan")) { return OVS_VPORT_TYPE_VXLAN; + } else if (!strcmp(type, "lisp")) { + return OVS_VPORT_TYPE_LISP; } else { return OVS_VPORT_TYPE_UNSPEC; } @@ -479,11 +485,13 @@ netdev_to_ovs_vport_type(const struct netdev *netdev) static int dpif_linux_port_add(struct dpif *dpif_, struct netdev *netdev, - uint32_t *port_nop) + odp_port_t *port_nop) { struct dpif_linux *dpif = dpif_linux_cast(dpif_); const struct netdev_tunnel_config *tnl_cfg; - const char *name = netdev_vport_get_dpif_port(netdev); + char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; + const char *name = netdev_vport_get_dpif_port(netdev, + namebuf, sizeof namebuf); const char *type = netdev_get_type(netdev); struct dpif_linux_vport request, reply; struct nl_sock *sock = NULL; @@ -536,7 +544,7 @@ dpif_linux_port_add(struct dpif *dpif_, struct netdev *netdev, VLOG_DBG("%s: assigning port %"PRIu32" to netlink pid %"PRIu32, dpif_name(dpif_), reply.port_no, upcall_pid); } else { - if (error == EBUSY && *port_nop != UINT32_MAX) { + if (error == EBUSY && *port_nop != ODPP_NONE) { VLOG_INFO("%s: requested port %"PRIu32" is in use", dpif_name(dpif_), *port_nop); } @@ -568,7 +576,7 @@ dpif_linux_port_add(struct dpif *dpif_, struct netdev *netdev, } static int -dpif_linux_port_del(struct dpif *dpif_, uint32_t port_no) +dpif_linux_port_del(struct dpif *dpif_, odp_port_t port_no) { struct dpif_linux *dpif = dpif_linux_cast(dpif_); struct dpif_linux_vport vport; @@ -586,7 +594,7 @@ dpif_linux_port_del(struct dpif *dpif_, uint32_t port_no) } static int -dpif_linux_port_query__(const struct dpif *dpif, uint32_t port_no, +dpif_linux_port_query__(const struct dpif *dpif, odp_port_t port_no, const char *port_name, struct dpif_port *dpif_port) { struct dpif_linux_vport request; @@ -617,7 +625,7 @@ dpif_linux_port_query__(const struct dpif *dpif, uint32_t port_no, } static int -dpif_linux_port_query_by_number(const struct dpif *dpif, uint32_t port_no, +dpif_linux_port_query_by_number(const struct dpif *dpif, odp_port_t port_no, struct dpif_port *dpif_port) { return dpif_linux_port_query__(dpif, port_no, NULL, dpif_port); @@ -630,23 +638,24 @@ dpif_linux_port_query_by_name(const struct dpif *dpif, const char *devname, return dpif_linux_port_query__(dpif, 0, devname, dpif_port); } -static int +static odp_port_t dpif_linux_get_max_ports(const struct dpif *dpif OVS_UNUSED) { - return MAX_PORTS; + return u32_to_odp(MAX_PORTS); } static uint32_t -dpif_linux_port_get_pid(const struct dpif *dpif_, uint32_t port_no) +dpif_linux_port_get_pid(const struct dpif *dpif_, odp_port_t port_no) { struct dpif_linux *dpif = dpif_linux_cast(dpif_); + uint32_t port_idx = odp_to_u32(port_no); if (dpif->epoll_fd < 0) { return 0; } else { - /* The UINT32_MAX "reserved" port number uses the "ovs-system"'s + /* The ODPP_NONE "reserved" port number uses the "ovs-system"'s * channel, since it is not heavily loaded. */ - int idx = (port_no >= dpif->uc_array_size) ? 0 : port_no; + uint32_t idx = port_idx >= dpif->uc_array_size ? 0 : port_idx; return nl_sock_pid(dpif->channels[idx].sock); } } @@ -794,7 +803,7 @@ static void dpif_linux_init_flow_put(struct dpif *dpif_, const struct dpif_flow_put *put, struct dpif_linux_flow *request) { - static struct nlattr dummy_action; + static const struct nlattr dummy_action; struct dpif_linux *dpif = dpif_linux_cast(dpif_); @@ -804,8 +813,12 @@ dpif_linux_init_flow_put(struct dpif *dpif_, const struct dpif_flow_put *put, request->dp_ifindex = dpif->dp_ifindex; request->key = put->key; request->key_len = put->key_len; + request->mask = put->mask; + request->mask_len = put->mask_len; /* Ensure that OVS_FLOW_ATTR_ACTIONS will always be included. */ - request->actions = put->actions ? put->actions : &dummy_action; + request->actions = (put->actions + ? put->actions + : CONST_CAST(struct nlattr *, &dummy_action)); request->actions_len = put->actions_len; if (put->flags & DPIF_FP_ZERO_STATS) { request->clear = true; @@ -896,6 +909,7 @@ dpif_linux_flow_dump_start(const struct dpif *dpif_, void **statep) static int dpif_linux_flow_dump_next(const struct dpif *dpif_ OVS_UNUSED, void *state_, const struct nlattr **key, size_t *key_len, + const struct nlattr **mask, size_t *mask_len, const struct nlattr **actions, size_t *actions_len, const struct dpif_flow_stats **stats) { @@ -923,7 +937,8 @@ dpif_linux_flow_dump_next(const struct dpif *dpif_ OVS_UNUSED, void *state_, if (error == ENOENT) { VLOG_DBG("dumped flow disappeared on get"); } else if (error) { - VLOG_WARN("error fetching dumped flow: %s", strerror(error)); + VLOG_WARN("error fetching dumped flow: %s", + ovs_strerror(error)); } } } while (error); @@ -936,6 +951,10 @@ dpif_linux_flow_dump_next(const struct dpif *dpif_ OVS_UNUSED, void *state_, *key = state->flow.key; *key_len = state->flow.key_len; } + if (mask) { + *mask = state->flow.mask; + *mask_len = state->flow.mask ? state->flow.mask_len : 0; + } if (stats) { dpif_linux_flow_get_stats(&state->flow, &state->stats); *stats = &state->stats; @@ -1190,7 +1209,7 @@ dpif_linux_recv_set(struct dpif *dpif_, bool enable) } else { VLOG_WARN_RL(&error_rl, "%s: failed to set upcall pid on port: %s", - dpif_name(&dpif->dpif), strerror(error)); + dpif_name(&dpif->dpif), ovs_strerror(error)); nl_sock_destroy(sock); if (error == ENODEV || error == ENOENT) { @@ -1237,7 +1256,7 @@ parse_odp_packet(struct ofpbuf *buf, struct dpif_upcall *upcall, [OVS_PACKET_ATTR_KEY] = { .type = NL_A_NESTED }, /* OVS_PACKET_CMD_ACTION only. */ - [OVS_PACKET_ATTR_USERDATA] = { .type = NL_A_U64, .optional = true }, + [OVS_PACKET_ATTR_USERDATA] = { .type = NL_A_UNSPEC, .optional = true }, }; struct ovs_header *ovs_header; @@ -1275,9 +1294,7 @@ parse_odp_packet(struct ofpbuf *buf, struct dpif_upcall *upcall, upcall->key = CONST_CAST(struct nlattr *, nl_attr_get(a[OVS_PACKET_ATTR_KEY])); upcall->key_len = nl_attr_get_size(a[OVS_PACKET_ATTR_KEY]); - upcall->userdata = (a[OVS_PACKET_ATTR_USERDATA] - ? nl_attr_get_u64(a[OVS_PACKET_ATTR_USERDATA]) - : 0); + upcall->userdata = a[OVS_PACKET_ATTR_USERDATA]; *dp_ifindex = ovs_header->dp_ifindex; return 0; @@ -1305,7 +1322,7 @@ dpif_linux_recv(struct dpif *dpif_, struct dpif_upcall *upcall, } while (retval < 0 && errno == EINTR); if (retval < 0) { static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); - VLOG_WARN_RL(&rl, "epoll_wait failed (%s)", strerror(errno)); + VLOG_WARN_RL(&rl, "epoll_wait failed (%s)", ovs_strerror(errno)); } else if (retval > 0) { dpif->n_events = retval; } @@ -1476,7 +1493,7 @@ dpif_linux_is_internal_device(const char *name) ofpbuf_delete(buf); } else if (error != ENODEV && error != ENOENT) { VLOG_WARN_RL(&error_rl, "%s: vport query failed (%s)", - name, strerror(error)); + name, ovs_strerror(error)); } return reply.type == OVS_VPORT_TYPE_INTERNAL; @@ -1550,7 +1567,7 @@ dpif_linux_vport_from_ofpbuf(struct dpif_linux_vport *vport, vport->cmd = genl->cmd; vport->dp_ifindex = ovs_header->dp_ifindex; - vport->port_no = nl_attr_get_u32(a[OVS_VPORT_ATTR_PORT_NO]); + vport->port_no = nl_attr_get_odp_port(a[OVS_VPORT_ATTR_PORT_NO]); vport->type = nl_attr_get_u32(a[OVS_VPORT_ATTR_TYPE]); vport->name = nl_attr_get_string(a[OVS_VPORT_ATTR_NAME]); if (a[OVS_VPORT_ATTR_UPCALL_PID]) { @@ -1580,8 +1597,8 @@ dpif_linux_vport_to_ofpbuf(const struct dpif_linux_vport *vport, ovs_header = ofpbuf_put_uninit(buf, sizeof *ovs_header); ovs_header->dp_ifindex = vport->dp_ifindex; - if (vport->port_no != UINT32_MAX) { - nl_msg_put_u32(buf, OVS_VPORT_ATTR_PORT_NO, vport->port_no); + if (vport->port_no != ODPP_NONE) { + nl_msg_put_odp_port(buf, OVS_VPORT_ATTR_PORT_NO, vport->port_no); } if (vport->type != OVS_VPORT_TYPE_UNSPEC) { @@ -1612,7 +1629,7 @@ void dpif_linux_vport_init(struct dpif_linux_vport *vport) { memset(vport, 0, sizeof *vport); - vport->port_no = UINT32_MAX; + vport->port_no = ODPP_NONE; } /* Executes 'request' in the kernel datapath. If the command fails, returns a @@ -1829,6 +1846,7 @@ dpif_linux_flow_from_ofpbuf(struct dpif_linux_flow *flow, { static const struct nl_policy ovs_flow_policy[] = { [OVS_FLOW_ATTR_KEY] = { .type = NL_A_NESTED }, + [OVS_FLOW_ATTR_MASK] = { .type = NL_A_NESTED, .optional = true }, [OVS_FLOW_ATTR_ACTIONS] = { .type = NL_A_NESTED, .optional = true }, [OVS_FLOW_ATTR_STATS] = { NL_POLICY_FOR(struct ovs_flow_stats), .optional = true }, @@ -1860,6 +1878,11 @@ dpif_linux_flow_from_ofpbuf(struct dpif_linux_flow *flow, flow->dp_ifindex = ovs_header->dp_ifindex; flow->key = nl_attr_get(a[OVS_FLOW_ATTR_KEY]); flow->key_len = nl_attr_get_size(a[OVS_FLOW_ATTR_KEY]); + + if (a[OVS_FLOW_ATTR_MASK]) { + flow->mask = nl_attr_get(a[OVS_FLOW_ATTR_MASK]); + flow->mask_len = nl_attr_get_size(a[OVS_FLOW_ATTR_MASK]); + } if (a[OVS_FLOW_ATTR_ACTIONS]) { flow->actions = nl_attr_get(a[OVS_FLOW_ATTR_ACTIONS]); flow->actions_len = nl_attr_get_size(a[OVS_FLOW_ATTR_ACTIONS]); @@ -1895,6 +1918,10 @@ dpif_linux_flow_to_ofpbuf(const struct dpif_linux_flow *flow, nl_msg_put_unspec(buf, OVS_FLOW_ATTR_KEY, flow->key, flow->key_len); } + if (flow->mask_len) { + nl_msg_put_unspec(buf, OVS_FLOW_ATTR_MASK, flow->mask, flow->mask_len); + } + if (flow->actions || flow->actions_len) { nl_msg_put_unspec(buf, OVS_FLOW_ATTR_ACTIONS, flow->actions, flow->actions_len);