X-Git-Url: http://git.onelab.eu/?p=sliver-openvswitch.git;a=blobdiff_plain;f=lib%2Fdpif-netdev.c;h=48d8e27cb3d11f3f6f0a5fdcdab886b7ec580f14;hp=d5060f1f549d4336c36c96a08b383a54cab4e2a1;hb=85606e05b691be7c2f2d4bcf0e91170b71ec8fbb;hpb=a6e73618f53138eb6f55e2c66ff8c649794fd8dd diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c index d5060f1f5..48d8e27cb 100644 --- a/lib/dpif-netdev.c +++ b/lib/dpif-netdev.c @@ -42,6 +42,7 @@ #include "netdev.h" #include "netdev-vport.h" #include "netlink.h" +#include "odp-execute.h" #include "odp-util.h" #include "ofp-print.h" #include "ofpbuf.h" @@ -103,7 +104,7 @@ struct dp_netdev { /* A port in a netdev-based datapath. */ struct dp_netdev_port { - int port_no; /* Index into dp_netdev's 'ports'. */ + odp_port_t port_no; /* Index into dp_netdev's 'ports'. */ struct list node; /* Element in dp_netdev's 'port_list'. */ struct netdev *netdev; struct netdev_saved_flags *sf; @@ -140,15 +141,15 @@ static struct shash dp_netdevs = SHASH_INITIALIZER(&dp_netdevs); /* Maximum port MTU seen so far. */ static int max_mtu = ETH_PAYLOAD_MAX; -static int get_port_by_number(struct dp_netdev *, uint32_t port_no, +static int get_port_by_number(struct dp_netdev *, odp_port_t port_no, struct dp_netdev_port **portp); static int get_port_by_name(struct dp_netdev *, const char *devname, struct dp_netdev_port **portp); static void dp_netdev_free(struct dp_netdev *); static void dp_netdev_flow_flush(struct dp_netdev *); static int do_add_port(struct dp_netdev *, const char *devname, - const char *type, uint32_t port_no); -static int do_del_port(struct dp_netdev *, uint32_t port_no); + const char *type, odp_port_t port_no); +static int do_del_port(struct dp_netdev *, odp_port_t port_no); static int dpif_netdev_open(const struct dpif_class *, const char *name, bool create, struct dpif **); static int dp_netdev_output_userspace(struct dp_netdev *, const struct ofpbuf *, @@ -158,6 +159,10 @@ static void dp_netdev_execute_actions(struct dp_netdev *, struct ofpbuf *, struct flow *, const struct nlattr *actions, size_t actions_len); +static void dp_netdev_port_input(struct dp_netdev *dp, + struct dp_netdev_port *port, + struct ofpbuf *packet, uint32_t skb_priority, + uint32_t skb_mark, const struct flow_tnl *tnl); static struct dpif_netdev * dpif_netdev_cast(const struct dpif *dpif) @@ -220,10 +225,12 @@ create_dpif_netdev(struct dp_netdev *dp) return &dpif->dpif; } -static int +/* Choose an unused, non-zero port number and return it on success. + * Return ODPP_NONE on failure. */ +static odp_port_t choose_port(struct dp_netdev *dp, const char *name) { - int port_no; + uint32_t port_no; if (dp->class != &dpif_netdev_class && dp->class != &dpif_planetlab_class) { @@ -244,7 +251,7 @@ choose_port(struct dp_netdev *dp, const char *name) port_no = start_no + strtol(p, NULL, 10); if (port_no > 0 && port_no < MAX_PORTS && !dp->ports[port_no]) { - return port_no; + return u32_to_odp(port_no); } break; } @@ -253,11 +260,11 @@ choose_port(struct dp_netdev *dp, const char *name) for (port_no = 1; port_no < MAX_PORTS; port_no++) { if (!dp->ports[port_no]) { - return port_no; + return u32_to_odp(port_no); } } - return -1; + return ODPP_NONE; } static int @@ -278,7 +285,7 @@ create_dp_netdev(const char *name, const struct dpif_class *class, hmap_init(&dp->flow_table); list_init(&dp->port_list); - error = do_add_port(dp, name, "internal", OVSP_LOCAL); + error = do_add_port(dp, name, "internal", ODPP_LOCAL); if (error) { dp_netdev_free(dp); return error; @@ -382,7 +389,7 @@ dpif_netdev_get_stats(const struct dpif *dpif, struct dpif_dp_stats *stats) static int do_add_port(struct dp_netdev *dp, const char *devname, const char *type, - uint32_t port_no) + odp_port_t port_no) { struct netdev_saved_flags *sf; struct dp_netdev_port *port; @@ -407,7 +414,7 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type, if (error && !(error == EOPNOTSUPP && dpif_netdev_class_is_dummy(dp->class))) { VLOG_ERR("%s: cannot receive packets on this network device (%s)", - devname, strerror(errno)); + devname, ovs_strerror(errno)); netdev_close(netdev); return error; } @@ -432,7 +439,7 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type, } list_push_back(&dp->port_list, &port->node); - dp->ports[port_no] = port; + dp->ports[odp_to_u32(port_no)] = port; dp->serial++; return 0; @@ -440,51 +447,55 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type, static int dpif_netdev_port_add(struct dpif *dpif, struct netdev *netdev, - uint32_t *port_nop) + odp_port_t *port_nop) { struct dp_netdev *dp = get_dp_netdev(dpif); - int port_no; - - if (*port_nop != UINT32_MAX) { - if (*port_nop >= MAX_PORTS) { + char namebuf[NETDEV_VPORT_NAME_BUFSIZE]; + const char *dpif_port; + odp_port_t port_no; + + dpif_port = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf); + if (*port_nop != ODPP_NONE) { + uint32_t port_idx = odp_to_u32(*port_nop); + if (port_idx >= MAX_PORTS) { return EFBIG; - } else if (dp->ports[*port_nop]) { + } else if (dp->ports[port_idx]) { return EBUSY; } port_no = *port_nop; } else { - port_no = choose_port(dp, netdev_vport_get_dpif_port(netdev)); + port_no = choose_port(dp, dpif_port); } - if (port_no >= 0) { + if (port_no != ODPP_NONE) { *port_nop = port_no; - return do_add_port(dp, netdev_vport_get_dpif_port(netdev), - netdev_get_type(netdev), port_no); + return do_add_port(dp, dpif_port, netdev_get_type(netdev), port_no); } return EFBIG; } static int -dpif_netdev_port_del(struct dpif *dpif, uint32_t port_no) +dpif_netdev_port_del(struct dpif *dpif, odp_port_t port_no) { struct dp_netdev *dp = get_dp_netdev(dpif); - return port_no == OVSP_LOCAL ? EINVAL : do_del_port(dp, port_no); + return (port_no == ODPP_LOCAL ? + EINVAL : do_del_port(dp, port_no)); } static bool -is_valid_port_number(uint32_t port_no) +is_valid_port_number(odp_port_t port_no) { - return port_no < MAX_PORTS; + return odp_to_u32(port_no) < MAX_PORTS; } static int get_port_by_number(struct dp_netdev *dp, - uint32_t port_no, struct dp_netdev_port **portp) + odp_port_t port_no, struct dp_netdev_port **portp) { if (!is_valid_port_number(port_no)) { *portp = NULL; return EINVAL; } else { - *portp = dp->ports[port_no]; + *portp = dp->ports[odp_to_u32(port_no)]; return *portp ? 0 : ENOENT; } } @@ -496,7 +507,7 @@ get_port_by_name(struct dp_netdev *dp, struct dp_netdev_port *port; LIST_FOR_EACH (port, node, &dp->port_list) { - if (!strcmp(netdev_vport_get_dpif_port(port->netdev), devname)) { + if (!strcmp(netdev_get_name(port->netdev), devname)) { *portp = port; return 0; } @@ -505,7 +516,7 @@ get_port_by_name(struct dp_netdev *dp, } static int -do_del_port(struct dp_netdev *dp, uint32_t port_no) +do_del_port(struct dp_netdev *dp, odp_port_t port_no) { struct dp_netdev_port *port; int error; @@ -516,7 +527,7 @@ do_del_port(struct dp_netdev *dp, uint32_t port_no) } list_remove(&port->node); - dp->ports[port->port_no] = NULL; + dp->ports[odp_to_u32(port_no)] = NULL; dp->serial++; netdev_close(port->netdev); @@ -532,13 +543,13 @@ static void answer_port_query(const struct dp_netdev_port *port, struct dpif_port *dpif_port) { - dpif_port->name = xstrdup(netdev_vport_get_dpif_port(port->netdev)); + dpif_port->name = xstrdup(netdev_get_name(port->netdev)); dpif_port->type = xstrdup(port->type); dpif_port->port_no = port->port_no; } static int -dpif_netdev_port_query_by_number(const struct dpif *dpif, uint32_t port_no, +dpif_netdev_port_query_by_number(const struct dpif *dpif, odp_port_t port_no, struct dpif_port *dpif_port) { struct dp_netdev *dp = get_dp_netdev(dpif); @@ -567,10 +578,10 @@ dpif_netdev_port_query_by_name(const struct dpif *dpif, const char *devname, return error; } -static int +static odp_port_t dpif_netdev_get_max_ports(const struct dpif *dpif OVS_UNUSED) { - return MAX_PORTS; + return u32_to_odp(MAX_PORTS); } static void @@ -600,7 +611,7 @@ dpif_netdev_flow_flush(struct dpif *dpif) } struct dp_netdev_port_state { - uint32_t port_no; + odp_port_t port_no; char *name; }; @@ -617,17 +628,18 @@ dpif_netdev_port_dump_next(const struct dpif *dpif, void *state_, { struct dp_netdev_port_state *state = state_; struct dp_netdev *dp = get_dp_netdev(dpif); - uint32_t port_no; + uint32_t port_idx; - for (port_no = state->port_no; port_no < MAX_PORTS; port_no++) { - struct dp_netdev_port *port = dp->ports[port_no]; + for (port_idx = odp_to_u32(state->port_no); + port_idx < MAX_PORTS; port_idx++) { + struct dp_netdev_port *port = dp->ports[port_idx]; if (port) { free(state->name); - state->name = xstrdup(netdev_vport_get_dpif_port(port->netdev)); + state->name = xstrdup(netdev_get_name(port->netdev)); dpif_port->name = state->name; dpif_port->type = port->type; dpif_port->port_no = port->port_no; - state->port_no = port_no + 1; + state->port_no = u32_to_odp(port_idx + 1); return 0; } } @@ -709,9 +721,7 @@ dpif_netdev_flow_from_nlattrs(const struct nlattr *key, uint32_t key_len, return EINVAL; } - if (flow->in_port < OFPP_MAX - ? flow->in_port >= MAX_PORTS - : flow->in_port != OFPP_LOCAL && flow->in_port != OFPP_NONE) { + if (!is_valid_port_number(flow->in_port.odp_port)) { return EINVAL; } @@ -880,6 +890,7 @@ dpif_netdev_flow_dump_start(const struct dpif *dpif OVS_UNUSED, void **statep) static int dpif_netdev_flow_dump_next(const struct dpif *dpif, 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) { @@ -899,12 +910,17 @@ dpif_netdev_flow_dump_next(const struct dpif *dpif, void *state_, struct ofpbuf buf; ofpbuf_use_stack(&buf, &state->keybuf, sizeof state->keybuf); - odp_flow_key_from_flow(&buf, &flow->key, flow->key.in_port); + odp_flow_key_from_flow(&buf, &flow->key, flow->key.in_port.odp_port); *key = buf.data; *key_len = buf.size; } + if (mask) { + *mask = NULL; + *mask_len = 0; + } + if (actions) { free(state->actions); state->actions = xmemdup(flow->actions, flow->actions_len); @@ -949,7 +965,7 @@ dpif_netdev_execute(struct dpif *dpif, const struct dpif_execute *execute) ofpbuf_reserve(©, DP_NETDEV_HEADROOM); ofpbuf_put(©, execute->packet->data, execute->packet->size); - flow_extract(©, 0, 0, NULL, -1, &key); + flow_extract(©, 0, 0, NULL, NULL, &key); error = dpif_netdev_flow_from_nlattrs(execute->key, execute->key_len, &key); if (!error) { @@ -1039,15 +1055,18 @@ dp_netdev_flow_used(struct dp_netdev_flow *flow, const struct ofpbuf *packet) static void dp_netdev_port_input(struct dp_netdev *dp, struct dp_netdev_port *port, - struct ofpbuf *packet) + struct ofpbuf *packet, uint32_t skb_priority, + uint32_t skb_mark, const struct flow_tnl *tnl) { struct dp_netdev_flow *flow; struct flow key; + union flow_in_port in_port_; if (packet->size < ETH_HEADER_LEN) { return; } - flow_extract(packet, 0, 0, NULL, port->port_no, &key); + in_port_.odp_port = port->port_no; + flow_extract(packet, skb_priority, skb_mark, tnl, &in_port_, &key); flow = dp_netdev_lookup_flow(dp, &key); if (flow) { dp_netdev_flow_used(flow, packet); @@ -1078,12 +1097,12 @@ dpif_netdev_run(struct dpif *dpif) error = port->rx ? netdev_rx_recv(port->rx, &packet) : EOPNOTSUPP; if (!error) { - dp_netdev_port_input(dp, port, &packet); + dp_netdev_port_input(dp, port, &packet, 0, 0, NULL); } else if (error != EAGAIN && error != EOPNOTSUPP) { static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + VLOG_ERR_RL(&rl, "error receiving data from %s: %s", - netdev_vport_get_dpif_port(port->netdev), - strerror(error)); + netdev_get_name(port->netdev), ovs_strerror(error)); } } ofpbuf_uninit(&packet); @@ -1103,18 +1122,9 @@ dpif_netdev_wait(struct dpif *dpif) } static void -dp_netdev_set_dl(struct ofpbuf *packet, const struct ovs_key_ethernet *eth_key) -{ - struct eth_header *eh = packet->l2; - - memcpy(eh->eth_src, eth_key->eth_src, sizeof eh->eth_src); - memcpy(eh->eth_dst, eth_key->eth_dst, sizeof eh->eth_dst); -} - -static void -dp_netdev_output_port(struct dp_netdev *dp, struct ofpbuf *packet, - uint32_t out_port) +dp_netdev_output_port(void *dp_, struct ofpbuf *packet, uint32_t out_port) { + struct dp_netdev *dp = dp_; struct dp_netdev_port *p = dp->ports[out_port]; if (p) { netdev_send(p->netdev, packet); @@ -1143,7 +1153,7 @@ dp_netdev_output_userspace(struct dp_netdev *dp, const struct ofpbuf *packet, ofpbuf_init(buf, buf_size); /* Put ODP flow. */ - odp_flow_key_from_flow(buf, flow, flow->in_port); + odp_flow_key_from_flow(buf, flow, flow->in_port.odp_port); upcall->key = buf->data; upcall->key_len = buf->size; @@ -1171,167 +1181,21 @@ dp_netdev_output_userspace(struct dp_netdev *dp, const struct ofpbuf *packet, } static void -dp_netdev_sample(struct dp_netdev *dp, - struct ofpbuf *packet, struct flow *key, - const struct nlattr *action) -{ - const struct nlattr *subactions = NULL; - const struct nlattr *a; - size_t left; - - NL_NESTED_FOR_EACH_UNSAFE (a, left, action) { - int type = nl_attr_type(a); - - switch ((enum ovs_sample_attr) type) { - case OVS_SAMPLE_ATTR_PROBABILITY: - if (random_uint32() >= nl_attr_get_u32(a)) { - return; - } - break; - - case OVS_SAMPLE_ATTR_ACTIONS: - subactions = a; - break; - - case OVS_SAMPLE_ATTR_UNSPEC: - case __OVS_SAMPLE_ATTR_MAX: - default: - NOT_REACHED(); - } - } - - dp_netdev_execute_actions(dp, packet, key, nl_attr_get(subactions), - nl_attr_get_size(subactions)); -} - -static void -dp_netdev_action_userspace(struct dp_netdev *dp, - struct ofpbuf *packet, struct flow *key, - const struct nlattr *a) +dp_netdev_action_userspace(void *dp, struct ofpbuf *packet, + const struct flow *key, + const struct nlattr *userdata) { - const struct nlattr *userdata; - - userdata = nl_attr_find_nested(a, OVS_USERSPACE_ATTR_USERDATA); dp_netdev_output_userspace(dp, packet, DPIF_UC_ACTION, key, userdata); } -static void -execute_set_action(struct ofpbuf *packet, const struct nlattr *a) -{ - enum ovs_key_attr type = nl_attr_type(a); - const struct ovs_key_ipv4 *ipv4_key; - const struct ovs_key_ipv6 *ipv6_key; - const struct ovs_key_tcp *tcp_key; - const struct ovs_key_udp *udp_key; - - switch (type) { - case OVS_KEY_ATTR_PRIORITY: - case OVS_KEY_ATTR_SKB_MARK: - case OVS_KEY_ATTR_TUNNEL: - /* not implemented */ - break; - - case OVS_KEY_ATTR_ETHERNET: - dp_netdev_set_dl(packet, - nl_attr_get_unspec(a, sizeof(struct ovs_key_ethernet))); - break; - - case OVS_KEY_ATTR_IPV4: - ipv4_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv4)); - packet_set_ipv4(packet, ipv4_key->ipv4_src, ipv4_key->ipv4_dst, - ipv4_key->ipv4_tos, ipv4_key->ipv4_ttl); - break; - - case OVS_KEY_ATTR_IPV6: - ipv6_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_ipv6)); - packet_set_ipv6(packet, ipv6_key->ipv6_proto, ipv6_key->ipv6_src, - ipv6_key->ipv6_dst, ipv6_key->ipv6_tclass, - ipv6_key->ipv6_label, ipv6_key->ipv6_hlimit); - break; - - case OVS_KEY_ATTR_TCP: - tcp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_tcp)); - packet_set_tcp_port(packet, tcp_key->tcp_src, tcp_key->tcp_dst); - break; - - case OVS_KEY_ATTR_UDP: - udp_key = nl_attr_get_unspec(a, sizeof(struct ovs_key_udp)); - packet_set_udp_port(packet, udp_key->udp_src, udp_key->udp_dst); - break; - - case OVS_KEY_ATTR_MPLS: - set_mpls_lse(packet, nl_attr_get_be32(a)); - break; - - case OVS_KEY_ATTR_UNSPEC: - case OVS_KEY_ATTR_ENCAP: - case OVS_KEY_ATTR_ETHERTYPE: - case OVS_KEY_ATTR_IN_PORT: - case OVS_KEY_ATTR_VLAN: - case OVS_KEY_ATTR_ICMP: - case OVS_KEY_ATTR_ICMPV6: - case OVS_KEY_ATTR_ARP: - case OVS_KEY_ATTR_ND: - case __OVS_KEY_ATTR_MAX: - default: - NOT_REACHED(); - } -} - static void dp_netdev_execute_actions(struct dp_netdev *dp, struct ofpbuf *packet, struct flow *key, const struct nlattr *actions, size_t actions_len) { - const struct nlattr *a; - unsigned int left; - - NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) { - int type = nl_attr_type(a); - - switch ((enum ovs_action_attr) type) { - case OVS_ACTION_ATTR_OUTPUT: - dp_netdev_output_port(dp, packet, nl_attr_get_u32(a)); - break; - - case OVS_ACTION_ATTR_USERSPACE: - dp_netdev_action_userspace(dp, packet, key, a); - break; - - case OVS_ACTION_ATTR_PUSH_VLAN: { - const struct ovs_action_push_vlan *vlan = nl_attr_get(a); - eth_push_vlan(packet, vlan->vlan_tci); - break; - } - - case OVS_ACTION_ATTR_POP_VLAN: - eth_pop_vlan(packet); - break; - - case OVS_ACTION_ATTR_PUSH_MPLS: { - const struct ovs_action_push_mpls *mpls = nl_attr_get(a); - push_mpls(packet, mpls->mpls_ethertype, mpls->mpls_lse); - break; - } - - case OVS_ACTION_ATTR_POP_MPLS: - pop_mpls(packet, nl_attr_get_be16(a)); - break; - - case OVS_ACTION_ATTR_SET: - execute_set_action(packet, nl_attr_get(a)); - break; - - case OVS_ACTION_ATTR_SAMPLE: - dp_netdev_sample(dp, packet, key, a); - break; - - case OVS_ACTION_ATTR_UNSPEC: - case __OVS_ACTION_ATTR_MAX: - NOT_REACHED(); - } - } + odp_execute_actions(dp, packet, key, actions, actions_len, + dp_netdev_output_port, dp_netdev_action_userspace); } #define DPIF_NETDEV_CLASS_FUNCTIONS \