X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fvxlan-gbp%2Fvxlan_gbp.c;h=7b09b57bd59a7063ff9621b5b4eff1b55c3de8e3;hb=097fa66b9;hp=253261dc9e5dd99cd7197f512c1bff8ef7467e07;hpb=79a05f547146e1eb972ec505e6605f604d3a3054;p=vpp.git diff --git a/src/vnet/vxlan-gbp/vxlan_gbp.c b/src/vnet/vxlan-gbp/vxlan_gbp.c index 253261dc9e5..7b09b57bd59 100644 --- a/src/vnet/vxlan-gbp/vxlan_gbp.c +++ b/src/vnet/vxlan-gbp/vxlan_gbp.c @@ -28,20 +28,25 @@ * * VXLAN GBP provides the features of vxlan and carry group policy id. */ - +static vlib_punt_hdl_t punt_hdl; vxlan_gbp_main_t vxlan_gbp_main; -static u8 * -format_decap_next (u8 * s, va_list * args) +u8 * +format_vxlan_gbp_tunnel_mode (u8 * s, va_list * args) { - u32 next_index = va_arg (*args, u32); + vxlan_gbp_tunnel_mode_t mode = va_arg (*args, vxlan_gbp_tunnel_mode_t); - if (next_index == VXLAN_GBP_INPUT_NEXT_DROP) - return format (s, "drop"); - else - return format (s, "index %d", next_index); - return s; + switch (mode) + { + case VXLAN_GBP_TUNNEL_MODE_L2: + s = format (s, "L2"); + break; + case VXLAN_GBP_TUNNEL_MODE_L3: + s = format (s, "L3"); + break; + } + return (s); } u8 * @@ -51,17 +56,15 @@ format_vxlan_gbp_tunnel (u8 * s, va_list * args) s = format (s, "[%d] instance %d src %U dst %U vni %d fib-idx %d" - " sw-if-idx %d ", + " sw-if-idx %d mode %U ", t->dev_instance, t->user_instance, format_ip46_address, &t->src, IP46_TYPE_ANY, format_ip46_address, &t->dst, IP46_TYPE_ANY, - t->vni, t->encap_fib_index, t->sw_if_index); + t->vni, t->encap_fib_index, t->sw_if_index, + format_vxlan_gbp_tunnel_mode, t->mode); s = format (s, "encap-dpo-idx %d ", t->next_dpo.dpoi_index); - if (PREDICT_FALSE (t->decap_next_index != VXLAN_GBP_INPUT_NEXT_L2_INPUT)) - s = format (s, "decap-next-%U ", format_decap_next, t->decap_next_index); - if (PREDICT_FALSE (ip46_address_is_multicast (&t->dst))) s = format (s, "mcast-sw-if-idx %d ", t->mcast_sw_if_index); @@ -210,9 +213,9 @@ const static fib_node_vft_t vxlan_gbp_vft = { #define foreach_copy_field \ _(vni) \ +_(mode) \ _(mcast_sw_if_index) \ _(encap_fib_index) \ -_(decap_next_index) \ _(src) \ _(dst) @@ -230,7 +233,7 @@ vxlan_gbp_rewrite (vxlan_gbp_tunnel_t * t, bool is_ip6) vxlan_gbp_header_t *vxlan_gbp; /* Fixed portion of the (outer) ip header */ - memset (&h, 0, sizeof (h)); + clib_memset (&h, 0, sizeof (h)); if (!is_ip6) { ip4_header_t *ip = &h.h4.ip4; @@ -267,18 +270,6 @@ vxlan_gbp_rewrite (vxlan_gbp_tunnel_t * t, bool is_ip6) vnet_rewrite_set_data (*t, &h, len); } -static bool -vxlan_gbp_decap_next_is_valid (vxlan_gbp_main_t * vxm, u32 is_ip6, - u32 decap_next_index) -{ - vlib_main_t *vm = vxm->vlib_main; - u32 input_idx = (!is_ip6) ? - vxlan4_gbp_input_node.index : vxlan6_gbp_input_node.index; - vlib_node_runtime_t *r = vlib_node_get_runtime (vm, input_idx); - - return decap_next_index < r->n_next_nodes; -} - static uword vtep_addr_ref (ip46_address_t * ip) { @@ -352,6 +343,42 @@ mcast_shared_remove (ip46_address_t * dst) hash_unset_mem_free (&vxlan_gbp_main.mcast_shared, dst); } +inline void +vxlan_gbp_register_udp_ports (void) +{ + vxlan_gbp_main_t *vxm = &vxlan_gbp_main; + + if (vxm->udp_ports_registered == 0) + { + udp_register_dst_port (vxm->vlib_main, UDP_DST_PORT_vxlan_gbp, + vxlan4_gbp_input_node.index, /* is_ip4 */ 1); + udp_register_dst_port (vxm->vlib_main, UDP_DST_PORT_vxlan6_gbp, + vxlan6_gbp_input_node.index, /* is_ip4 */ 0); + } + /* + * Counts the number of vxlan_gbp tunnels + */ + vxm->udp_ports_registered += 1; +} + +inline void +vxlan_gbp_unregister_udp_ports (void) +{ + vxlan_gbp_main_t *vxm = &vxlan_gbp_main; + + ASSERT (vxm->udp_ports_registered != 0); + + if (vxm->udp_ports_registered == 1) + { + udp_unregister_dst_port (vxm->vlib_main, UDP_DST_PORT_vxlan_gbp, + /* is_ip4 */ 1); + udp_unregister_dst_port (vxm->vlib_main, UDP_DST_PORT_vxlan6_gbp, + /* is_ip4 */ 0); + } + + vxm->udp_ports_registered -= 1; +} + int vnet_vxlan_gbp_tunnel_add_del (vnet_vxlan_gbp_tunnel_add_del_args_t * a, u32 * sw_if_indexp) { @@ -367,7 +394,9 @@ int vnet_vxlan_gbp_tunnel_add_del int not_found; if (!is_ip6) { - key4.key[0] = a->dst.ip4.as_u32; + key4.key[0] = ip46_address_is_multicast (&a->dst) ? + a->dst.ip4.as_u32 : + a->dst.ip4.as_u32 | (((u64) a->src.ip4.as_u32) << 32); key4.key[1] = (((u64) a->encap_fib_index) << 32) | clib_host_to_net_u32 (a->vni << 8); not_found = @@ -398,16 +427,13 @@ int vnet_vxlan_gbp_tunnel_add_del /* adding a tunnel: tunnel must not already exist */ if (p) - return VNET_API_ERROR_TUNNEL_EXIST; - - /* if not set explicitly, default to l2 */ - if (a->decap_next_index == ~0) - a->decap_next_index = VXLAN_GBP_INPUT_NEXT_L2_INPUT; - if (!vxlan_gbp_decap_next_is_valid (vxm, is_ip6, a->decap_next_index)) - return VNET_API_ERROR_INVALID_DECAP_NEXT; - + { + t = pool_elt_at_index (vxm->tunnels, *p); + *sw_if_indexp = t->sw_if_index; + return VNET_API_ERROR_TUNNEL_EXIST; + } pool_get_aligned (vxm->tunnels, t, CLIB_CACHE_LINE_BYTES); - memset (t, 0, sizeof (*t)); + clib_memset (t, 0, sizeof (*t)); dev_instance = t - vxm->tunnels; /* copy from arg structure */ @@ -455,6 +481,8 @@ int vnet_vxlan_gbp_tunnel_add_del return VNET_API_ERROR_INVALID_REGISTRATION; } + vxlan_gbp_register_udp_ports (); + t->hw_if_index = vnet_register_interface (vnm, vxlan_gbp_device_class.index, dev_instance, vxlan_gbp_hw_class.index, dev_instance); @@ -467,6 +495,12 @@ int vnet_vxlan_gbp_tunnel_add_del t->sw_if_index = sw_if_index = hi->sw_if_index; + if (VXLAN_GBP_TUNNEL_MODE_L3 == t->mode) + { + ip4_sw_interface_enable_disable (t->sw_if_index, 1); + ip6_sw_interface_enable_disable (t->sw_if_index, 1); + } + vec_validate_init_empty (vxm->tunnel_index_by_sw_if_index, sw_if_index, ~0); vxm->tunnel_index_by_sw_if_index[sw_if_index] = dev_instance; @@ -506,8 +540,8 @@ int vnet_vxlan_gbp_tunnel_add_del else { /* Multicast tunnel - - * as the same mcast group can be used for mutiple mcast tunnels - * with different VNIs, create the output fib adjecency only if + * as the same mcast group can be used for multiple mcast tunnels + * with different VNIs, create the output fib adjacency only if * it does not already exist */ fib_protocol_t fp = fib_ip_proto (is_ip6); @@ -523,6 +557,7 @@ int vnet_vxlan_gbp_tunnel_add_del .frp_fib_index = ~0, .frp_weight = 0, .frp_flags = FIB_ROUTE_PATH_LOCAL, + .frp_mitf_flags = MFIB_ITF_FLAG_FORWARD, }; const mfib_prefix_t mpfx = { .fp_proto = fp, @@ -537,16 +572,15 @@ int vnet_vxlan_gbp_tunnel_add_del */ mfib_table_entry_path_update (t->encap_fib_index, &mpfx, - MFIB_SOURCE_VXLAN_GBP, - &path, MFIB_ITF_FLAG_FORWARD); + MFIB_SOURCE_VXLAN_GBP, &path); path.frp_sw_if_index = a->mcast_sw_if_index; path.frp_flags = FIB_ROUTE_PATH_FLAG_NONE; + path.frp_mitf_flags = MFIB_ITF_FLAG_ACCEPT; mfei = mfib_table_entry_path_update (t->encap_fib_index, &mpfx, MFIB_SOURCE_VXLAN_GBP, - &path, - MFIB_ITF_FLAG_ACCEPT); + &path); /* * Create the mcast adjacency to send traffic to the group @@ -588,6 +622,12 @@ int vnet_vxlan_gbp_tunnel_add_del sw_if_index = t->sw_if_index; vnet_sw_interface_set_flags (vnm, sw_if_index, 0 /* down */ ); + if (VXLAN_GBP_TUNNEL_MODE_L3 == t->mode) + { + ip4_sw_interface_enable_disable (t->sw_if_index, 0); + ip6_sw_interface_enable_disable (t->sw_if_index, 0); + } + vxm->tunnel_index_by_sw_if_index[sw_if_index] = ~0; if (!is_ip6) @@ -608,6 +648,7 @@ int vnet_vxlan_gbp_tunnel_add_del mcast_shared_remove (&t->dst); } + vxlan_gbp_unregister_udp_ports (); vnet_delete_hw_interface (vnm, t->hw_if_index); hash_unset (vxm->instance_used, t->user_instance); @@ -621,6 +662,36 @@ int vnet_vxlan_gbp_tunnel_add_del return 0; } +int +vnet_vxlan_gbp_tunnel_del (u32 sw_if_index) +{ + vxlan_gbp_main_t *vxm = &vxlan_gbp_main; + vxlan_gbp_tunnel_t *t = 0; + u32 ti; + + if (sw_if_index >= vec_len (vxm->tunnel_index_by_sw_if_index)) + return VNET_API_ERROR_NO_SUCH_ENTRY; + + ti = vxm->tunnel_index_by_sw_if_index[sw_if_index]; + if (~0 != ti) + { + t = pool_elt_at_index (vxm->tunnels, ti); + + vnet_vxlan_gbp_tunnel_add_del_args_t args = { + .is_add = 0, + .is_ip6 = !ip46_address_is_ip4 (&t->src), + .vni = t->vni, + .src = t->src, + .dst = t->dst, + .instance = ~0, + }; + + return (vnet_vxlan_gbp_tunnel_add_del (&args, NULL)); + } + + return VNET_API_ERROR_NO_SUCH_ENTRY; +} + static uword get_decap_next_for_node (u32 node_index, u32 ipv4_set) { @@ -661,6 +732,7 @@ vxlan_gbp_tunnel_add_del_command_fn (vlib_main_t * vm, unformat_input_t _line_input, *line_input = &_line_input; ip46_address_t src = ip46_address_initializer, dst = ip46_address_initializer; + vxlan_gbp_tunnel_mode_t mode = VXLAN_GBP_TUNNEL_MODE_L2; u8 is_add = 1; u8 src_set = 0; u8 dst_set = 0; @@ -820,7 +892,7 @@ vxlan_gbp_tunnel_add_del_command_fn (vlib_main_t * vm, * Example of how to create a VXLAN Tunnel with a known name, vxlan_gbp_tunnel42: * @cliexcmd{create vxlan_gbp tunnel src 10.0.3.1 dst 10.0.3.3 instance 42} * Example of how to create a multicast VXLAN Tunnel with a known name, vxlan_gbp_tunnel23: - * @cliexcmd{create vxlan_gbp tunnel src 10.0.3.1 group 239.1.1.1 GigabitEtherner0/8/0 instance 23} + * @cliexcmd{create vxlan_gbp tunnel src 10.0.3.1 group 239.1.1.1 GigabitEthernet0/8/0 instance 23} * Example of how to delete a VXLAN Tunnel: * @cliexcmd{create vxlan_gbp tunnel src 10.0.3.1 dst 10.0.3.3 vni 13 del} ?*/ @@ -986,7 +1058,7 @@ set_ip4_vxlan_gbp_bypass (vlib_main_t * vm, * ip4-lookup [2] * @cliexend * - * Example of how to display the feature enabed on an interface: + * Example of how to display the feature enabled on an interface: * @cliexstart{show ip interface features GigabitEthernet2/0/0} * IP feature paths configured on GigabitEthernet2/0/0... * ... @@ -1043,7 +1115,7 @@ set_ip6_vxlan_gbp_bypass (vlib_main_t * vm, * ip6-lookup [2] * @cliexend * - * Example of how to display the feature enabed on an interface: + * Example of how to display the feature enabled on an interface: * @cliexstart{show ip interface features GigabitEthernet2/0/0} * IP feature paths configured on GigabitEthernet2/0/0... * ... @@ -1088,17 +1160,26 @@ vxlan_gbp_init (vlib_main_t * vm) sizeof (ip46_address_t), sizeof (mcast_shared_t)); - udp_register_dst_port (vm, UDP_DST_PORT_vxlan_gbp, - vxlan4_gbp_input_node.index, /* is_ip4 */ 1); - udp_register_dst_port (vm, UDP_DST_PORT_vxlan6_gbp, - vxlan6_gbp_input_node.index, /* is_ip4 */ 0); - fib_node_register_type (FIB_NODE_TYPE_VXLAN_GBP_TUNNEL, &vxlan_gbp_vft); - return 0; + punt_hdl = vlib_punt_client_register ("vxlan-gbp"); + + vlib_punt_reason_alloc (punt_hdl, + "VXLAN-GBP-no-such-v4-tunnel", + &vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP4]); + vlib_punt_reason_alloc (punt_hdl, + "VXLAN-GBP-no-such-v6-tunnel", + &vxm->punt_no_such_tunnel[FIB_PROTOCOL_IP6]); + + return (0); } -VLIB_INIT_FUNCTION (vxlan_gbp_init); +/* *INDENT-OFF* */ +VLIB_INIT_FUNCTION (vxlan_gbp_init) = +{ + .runs_after = VLIB_INITS("punt_init"), +}; +/* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON