diff options
Diffstat (limited to 'vnet/vnet/vxlan/vxlan.c')
| -rw-r--r-- | vnet/vnet/vxlan/vxlan.c | 85 |
1 files changed, 79 insertions, 6 deletions
diff --git a/vnet/vnet/vxlan/vxlan.c b/vnet/vnet/vxlan/vxlan.c index bda0bbc968a..a2b89208116 100644 --- a/vnet/vnet/vxlan/vxlan.c +++ b/vnet/vnet/vxlan/vxlan.c @@ -17,6 +17,7 @@ #include <vnet/fib/fib_entry.h> #include <vnet/fib/fib_table.h> #include <vnet/dpo/receive_dpo.h> +#include <vlib/vlib.h> /** * @file @@ -37,6 +38,22 @@ vxlan_main_t vxlan_main; +static u8 * format_decap_next (u8 * s, va_list * args) +{ + u32 next_index = va_arg (*args, u32); + + switch (next_index) + { + case VXLAN_INPUT_NEXT_DROP: + return format (s, "drop"); + case VXLAN_INPUT_NEXT_L2_INPUT: + return format (s, "l2"); + default: + return format (s, "next-index %d", next_index); + } + return s; +} + u8 * format_vxlan_tunnel (u8 * s, va_list * args) { vxlan_tunnel_t * t = va_arg (*args, vxlan_tunnel_t *); @@ -44,11 +61,12 @@ u8 * format_vxlan_tunnel (u8 * s, va_list * args) s = format (s, "[%d] src %U dst %U vni %d encap_fib_index %d sw_if_index %d " - "fib_entry_index %d\n", + "fib_entry_index %d", t - ngm->tunnels, 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->fib_entry_index); + s = format (s, " decap_next %U\n", format_decap_next, t->decap_next_index); return s; } @@ -176,6 +194,7 @@ const static fib_node_vft_t vxlan_vft = { _(vni) \ _(mcast_sw_if_index) \ _(encap_fib_index) \ +_(decap_next_index) \ _(src) \ _(dst) @@ -245,6 +264,27 @@ static int vxlan6_rewrite (vxlan_tunnel_t * t) return (0); } +static int vxlan_check_decap_next(vxlan_main_t * vxm, u32 is_ip6, u32 decap_next_index) +{ + vlib_main_t * vm = vxm->vlib_main; + vlib_node_runtime_t *r; + + if(!is_ip6) + { + r = vlib_node_get_runtime (vm, vxlan4_input_node.index); + if(decap_next_index >= r->n_next_nodes) + return 1; + } + else + { + r = vlib_node_get_runtime (vm, vxlan6_input_node.index); + if(decap_next_index >= r->n_next_nodes) + return 1; + } + + return 0; +} + int vnet_vxlan_add_del_tunnel (vnet_vxlan_add_del_tunnel_args_t *a, u32 * sw_if_indexp) { @@ -283,6 +323,12 @@ int vnet_vxlan_add_del_tunnel 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_INPUT_NEXT_L2_INPUT; + if (vxlan_check_decap_next(vxm, is_ip6, a->decap_next_index)) + return VNET_API_ERROR_INVALID_DECAP_NEXT; + pool_get_aligned (vxm->tunnels, t, CLIB_CACHE_LINE_BYTES); memset (t, 0, sizeof (*t)); @@ -496,13 +542,37 @@ static u32 fib6_index_from_fib_id (u32 fib_id) return p[0]; } +static uword get_decap_next_for_node(u32 node_index, u32 ipv4_set) +{ + vxlan_main_t * vxm = &vxlan_main; + vlib_main_t * vm = vxm->vlib_main; + uword next_index = ~0; + + if (ipv4_set) + { + next_index = vlib_node_add_next (vm, vxlan4_input_node.index, node_index); + } + else + { + next_index = vlib_node_add_next (vm, vxlan6_input_node.index, node_index); + } + + return next_index; +} + static uword unformat_decap_next (unformat_input_t * input, va_list * args) { u32 * result = va_arg (*args, u32 *); + u32 ipv4_set = va_arg (*args, int); + vxlan_main_t * vxm = &vxlan_main; + vlib_main_t * vm = vxm->vlib_main; + u32 node_index; u32 tmp; - + if (unformat (input, "l2")) *result = VXLAN_INPUT_NEXT_L2_INPUT; + else if (unformat (input, "node %U", unformat_vlib_node, vm, &node_index)) + *result = get_decap_next_for_node(node_index, ipv4_set); else if (unformat (input, "%d", &tmp)) *result = tmp; else @@ -525,7 +595,7 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm, u8 ipv6_set = 0; u32 encap_fib_index = 0; u32 mcast_sw_if_index = ~0; - u32 decap_next_index = ~0; + u32 decap_next_index = VXLAN_INPUT_NEXT_L2_INPUT; u32 vni = 0; u32 tmp; int rv; @@ -595,7 +665,7 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm, return clib_error_return (0, "nonexistent encap-vrf-id %d", tmp); } else if (unformat (line_input, "decap-next %U", unformat_decap_next, - &decap_next_index)) + &decap_next_index, ipv4_set)) ; else if (unformat (line_input, "vni %d", &vni)) { @@ -627,6 +697,9 @@ vxlan_add_del_tunnel_command_fn (vlib_main_t * vm, if (ip46_address_cmp(&src, &dst) == 0) return clib_error_return (0, "src and dst addresses are identical"); + if (decap_next_index == ~0) + return clib_error_return (0, "next node not found"); + if (vni == 0) return clib_error_return (0, "vni not specified"); @@ -689,7 +762,7 @@ VLIB_CLI_COMMAND (create_vxlan_tunnel_command, static) = { .short_help = "create vxlan tunnel src <local-vtep-addr>" " {dst <remote-vtep-addr>|group <mcast-vtep-addr> <intf-name>} vni <nn>" - " [encap-vrf-id <nn>]", + " [encap-vrf-id <nn>] [decap-next [l2|node <name>]] [del]", .function = vxlan_add_del_tunnel_command_fn, }; /* *INDENT-ON* */ @@ -719,7 +792,7 @@ show_vxlan_tunnel_command_fn (vlib_main_t * vm, * @cliexpar * Example of how to display the VXLAN Tunnel entries: * @cliexstart{show vxlan tunnel} - * [0] src 10.0.3.1 dst 10.0.3.3 vni 13 encap_fib_index 0 sw_if_index 5 + * [0] src 10.0.3.1 dst 10.0.3.3 vni 13 encap_fib_index 0 sw_if_index 5 decap_next l2 * @cliexend ?*/ /* *INDENT-OFF* */ |