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Diffstat (limited to 'vnet/vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.c')
-rw-r--r--vnet/vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.c577
1 files changed, 0 insertions, 577 deletions
diff --git a/vnet/vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.c b/vnet/vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.c
deleted file mode 100644
index 88945cd8762..00000000000
--- a/vnet/vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.c
+++ /dev/null
@@ -1,577 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#include <vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.h>
-
-nsh_vxlan_gpe_main_t nsh_vxlan_gpe_main;
-
-static u8 * format_decap_next (u8 * s, va_list * args)
-{
- u32 next_index = va_arg (*args, u32);
-
- switch (next_index)
- {
- case NSH_VXLAN_GPE_INPUT_NEXT_DROP:
- return format (s, "drop");
- case NSH_VXLAN_GPE_INPUT_NEXT_IP4_INPUT:
- return format (s, "ip4");
- case NSH_VXLAN_GPE_INPUT_NEXT_IP6_INPUT:
- return format (s, "ip6");
- case NSH_VXLAN_GPE_INPUT_NEXT_ETHERNET_INPUT:
- return format (s, "ethernet");
- case NSH_VXLAN_GPE_INPUT_NEXT_NSH_VXLAN_GPE_ENCAP:
- return format (s, "nsh-vxlan-gpe");
- default:
- return format (s, "unknown %d", next_index);
- }
- return s;
-}
-
-u8 * format_nsh_vxlan_gpe_tunnel (u8 * s, va_list * args)
-{
- nsh_vxlan_gpe_tunnel_t * t = va_arg (*args, nsh_vxlan_gpe_tunnel_t *);
- nsh_vxlan_gpe_main_t * ngm = &nsh_vxlan_gpe_main;
-
- s = format (s,
- "[%d] %U (src) %U (dst) fibs: encap %d, decap %d",
- t - ngm->tunnels,
- format_ip4_address, &t->src,
- format_ip4_address, &t->dst,
- t->encap_fib_index,
- t->decap_fib_index);
- s = format (s, " decap next %U\n", format_decap_next, t->decap_next_index);
- s = format (s, " vxlan VNI %d ", t->vni);
- s = format (s, "nsh ver %d ", (t->nsh_hdr.ver_o_c>>6));
- if (t->nsh_hdr.ver_o_c & NSH_O_BIT)
- s = format (s, "O-set ");
-
- if (t->nsh_hdr.ver_o_c & NSH_C_BIT)
- s = format (s, "C-set ");
-
- s = format (s, "len %d (%d bytes) md_type %d next_protocol %d\n",
- t->nsh_hdr.length, t->nsh_hdr.length * 4, t->nsh_hdr.md_type, t->nsh_hdr.next_protocol);
-
- s = format (s, " service path %d service index %d\n",
- (t->nsh_hdr.spi_si>>NSH_SPI_SHIFT) & NSH_SPI_MASK,
- t->nsh_hdr.spi_si & NSH_SINDEX_MASK);
-
- s = format (s, " c1 %d c2 %d c3 %d c4 %d\n",
- t->nsh_hdr.c1, t->nsh_hdr.c2, t->nsh_hdr.c3, t->nsh_hdr.c4);
-
- return s;
-}
-
-static u8 * format_nsh_vxlan_gpe_name (u8 * s, va_list * args)
-{
- nsh_vxlan_gpe_main_t * ngm = &nsh_vxlan_gpe_main;
- u32 i = va_arg (*args, u32);
- u32 show_dev_instance = ~0;
-
- if (i < vec_len (ngm->dev_inst_by_real))
- show_dev_instance = ngm->dev_inst_by_real[i];
-
- if (show_dev_instance != ~0)
- i = show_dev_instance;
-
- return format (s, "nsh_vxlan_gpe_tunnel%d", i);
-}
-
-static int nsh_vxlan_gpe_name_renumber (vnet_hw_interface_t * hi,
- u32 new_dev_instance)
-{
- nsh_vxlan_gpe_main_t * ngm = &nsh_vxlan_gpe_main;
-
- vec_validate_init_empty (ngm->dev_inst_by_real, hi->dev_instance, ~0);
-
- ngm->dev_inst_by_real [hi->dev_instance] = new_dev_instance;
-
- return 0;
-}
-
-static uword dummy_interface_tx (vlib_main_t * vm,
- vlib_node_runtime_t * node,
- vlib_frame_t * frame)
-{
- clib_warning ("you shouldn't be here, leaking buffers...");
- return frame->n_vectors;
-}
-
-VNET_DEVICE_CLASS (nsh_vxlan_gpe_device_class,static) = {
- .name = "NSH_VXLAN_GPE",
- .format_device_name = format_nsh_vxlan_gpe_name,
- .format_tx_trace = format_nsh_vxlan_gpe_encap_trace,
- .tx_function = dummy_interface_tx,
- .name_renumber = nsh_vxlan_gpe_name_renumber,
-};
-
-static uword dummy_set_rewrite (vnet_main_t * vnm,
- u32 sw_if_index,
- u32 l3_type,
- void * dst_address,
- void * rewrite,
- uword max_rewrite_bytes)
-{
- return 0;
-}
-
-static u8 * format_nsh_vxlan_gpe_header_with_length (u8 * s, va_list * args)
-{
- u32 dev_instance = va_arg (*args, u32);
- s = format (s, "unimplemented dev %u", dev_instance);
- return s;
-}
-
-VNET_HW_INTERFACE_CLASS (nsh_vxlan_gpe_hw_class) = {
- .name = "NSH_VXLAN_GPE",
- .format_header = format_nsh_vxlan_gpe_header_with_length,
- .set_rewrite = dummy_set_rewrite,
-};
-
-#define foreach_copy_field \
-_(src.as_u32) \
-_(dst.as_u32) \
-_(vni) \
-_(encap_fib_index) \
-_(decap_fib_index) \
-_(decap_next_index)
-
-
-#define foreach_copy_nshhdr_field \
-_(ver_o_c) \
-_(length) \
-_(md_type) \
-_(next_protocol) \
-_(spi_si) \
-_(c1) \
-_(c2) \
-_(c3) \
-_(c4) \
-_(tlvs)
-
-#define foreach_32bit_field \
-_(spi_si) \
-_(c1) \
-_(c2) \
-_(c3) \
-_(c4)
-
-static int nsh_vxlan_gpe_rewrite (nsh_vxlan_gpe_tunnel_t * t)
-{
- u8 *rw = 0;
- ip4_header_t * ip0;
- nsh_header_t * nsh0;
- ip4_vxlan_gpe_and_nsh_header_t * h0;
- int len;
-
- len = sizeof (*h0) + vec_len(t->nsh_hdr.tlvs)*4;
-
- vec_validate_aligned (rw, len-1, CLIB_CACHE_LINE_BYTES);
-
- h0 = (ip4_vxlan_gpe_and_nsh_header_t *) rw;
-
- /* Fixed portion of the (outer) ip4 header */
- ip0 = &h0->ip4;
- ip0->ip_version_and_header_length = 0x45;
- ip0->ttl = 254;
- ip0->protocol = IP_PROTOCOL_UDP;
-
- /* we fix up the ip4 header length and checksum after-the-fact */
- ip0->src_address.as_u32 = t->src.as_u32;
- ip0->dst_address.as_u32 = t->dst.as_u32;
- ip0->checksum = ip4_header_checksum (ip0);
-
- /* UDP header, randomize src port on something, maybe? */
- h0->udp.src_port = clib_host_to_net_u16 (4790);
- h0->udp.dst_port = clib_host_to_net_u16 (UDP_DST_PORT_vxlan_gpe);
-
- /* VXLAN header. Are we having fun yet? */
- h0->vxlan.flags = VXLAN_GPE_FLAGS_I | VXLAN_GPE_FLAGS_P;
- h0->vxlan.ver_res = VXLAN_GPE_VERSION;
- h0->vxlan.next_protocol = VXLAN_NEXT_PROTOCOL_NSH;
- h0->vxlan.vni_res = clib_host_to_net_u32 (t->vni<<8);
-
- /* NSH header */
- nsh0 = &h0->nsh;
- nsh0->ver_o_c = t->nsh_hdr.ver_o_c;
- nsh0->md_type = t->nsh_hdr.md_type;
- nsh0->next_protocol = t->nsh_hdr.next_protocol;
- nsh0->spi_si = t->nsh_hdr.spi_si;
- nsh0->c1 = t->nsh_hdr.c1;
- nsh0->c2 = t->nsh_hdr.c2;
- nsh0->c3 = t->nsh_hdr.c3;
- nsh0->c4 = t->nsh_hdr.c4;
-
- /* Endian swap 32-bit fields */
-#define _(x) nsh0->x = clib_host_to_net_u32(nsh0->x);
- foreach_32bit_field;
-#undef _
-
- /* fix nsh header length */
- t->nsh_hdr.length = 6 + vec_len(t->nsh_hdr.tlvs);
- nsh0->length = t->nsh_hdr.length;
-
- /* Copy any TLVs */
- if (vec_len(t->nsh_hdr.tlvs))
- clib_memcpy (nsh0->tlvs, t->nsh_hdr.tlvs, 4*vec_len(t->nsh_hdr.tlvs));
-
- t->rewrite = rw;
- return (0);
-}
-
-int vnet_nsh_vxlan_gpe_add_del_tunnel
-(vnet_nsh_vxlan_gpe_add_del_tunnel_args_t *a, u32 * sw_if_indexp)
-{
- nsh_vxlan_gpe_main_t * ngm = &nsh_vxlan_gpe_main;
- nsh_vxlan_gpe_tunnel_t *t = 0;
- vnet_main_t * vnm = ngm->vnet_main;
- vnet_hw_interface_t * hi;
- uword * p;
- u32 hw_if_index = ~0;
- u32 sw_if_index = ~0;
- int rv;
- nsh_vxlan_gpe_tunnel_key_t key, *key_copy;
- hash_pair_t *hp;
-
- key.src = a->dst.as_u32; /* decap src in key is encap dst in config */
- key.vni = clib_host_to_net_u32 (a->vni << 8);
- key.spi_si = clib_host_to_net_u32(a->nsh_hdr.spi_si);
- key.pad = 0;
-
- p = hash_get_mem (ngm->nsh_vxlan_gpe_tunnel_by_key, &key);
-
- if (a->is_add)
- {
- /* adding a tunnel: tunnel must not already exist */
- if (p)
- return VNET_API_ERROR_INVALID_VALUE;
-
- if (a->decap_next_index >= NSH_VXLAN_GPE_INPUT_N_NEXT)
- return VNET_API_ERROR_INVALID_DECAP_NEXT;
-
- pool_get_aligned (ngm->tunnels, t, CLIB_CACHE_LINE_BYTES);
- memset (t, 0, sizeof (*t));
-
- /* copy from arg structure */
-#define _(x) t->x = a->x;
- foreach_copy_field;
-#undef _
-
- /* copy from arg structure */
-#define _(x) t->nsh_hdr.x = a->nsh_hdr.x;
- foreach_copy_nshhdr_field;
-#undef _
-
- rv = nsh_vxlan_gpe_rewrite (t);
-
- if (rv)
- {
- pool_put (ngm->tunnels, t);
- return rv;
- }
-
- key_copy = clib_mem_alloc (sizeof (*key_copy));
- clib_memcpy (key_copy, &key, sizeof (*key_copy));
-
- hash_set_mem (ngm->nsh_vxlan_gpe_tunnel_by_key, key_copy,
- t - ngm->tunnels);
-
- if (vec_len (ngm->free_nsh_vxlan_gpe_tunnel_hw_if_indices) > 0)
- {
- hw_if_index = ngm->free_nsh_vxlan_gpe_tunnel_hw_if_indices
- [vec_len (ngm->free_nsh_vxlan_gpe_tunnel_hw_if_indices)-1];
- _vec_len (ngm->free_nsh_vxlan_gpe_tunnel_hw_if_indices) -= 1;
-
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->dev_instance = t - ngm->tunnels;
- hi->hw_instance = hi->dev_instance;
- }
- else
- {
- hw_if_index = vnet_register_interface
- (vnm, nsh_vxlan_gpe_device_class.index, t - ngm->tunnels,
- nsh_vxlan_gpe_hw_class.index, t - ngm->tunnels);
- hi = vnet_get_hw_interface (vnm, hw_if_index);
- hi->output_node_index = nsh_vxlan_gpe_encap_node.index;
- }
-
- t->hw_if_index = hw_if_index;
- t->sw_if_index = sw_if_index = hi->sw_if_index;
-
- vnet_sw_interface_set_flags (vnm, hi->sw_if_index,
- VNET_SW_INTERFACE_FLAG_ADMIN_UP);
- }
- else
- {
- /* deleting a tunnel: tunnel must exist */
- if (!p)
- return VNET_API_ERROR_NO_SUCH_ENTRY;
-
- t = pool_elt_at_index (ngm->tunnels, p[0]);
-
- vnet_sw_interface_set_flags (vnm, t->sw_if_index, 0 /* down */);
- vec_add1 (ngm->free_nsh_vxlan_gpe_tunnel_hw_if_indices, t->hw_if_index);
-
- hp = hash_get_pair (ngm->nsh_vxlan_gpe_tunnel_by_key, &key);
- key_copy = (void *)(hp->key);
- hash_unset_mem (ngm->nsh_vxlan_gpe_tunnel_by_key, &key);
- clib_mem_free (key_copy);
-
- vec_free (t->rewrite);
- pool_put (ngm->tunnels, t);
- }
-
- if (sw_if_indexp)
- *sw_if_indexp = sw_if_index;
-
- return 0;
-}
-
-static u32 fib_index_from_fib_id (u32 fib_id)
-{
- ip4_main_t * im = &ip4_main;
- uword * p;
-
- p = hash_get (im->fib_index_by_table_id, fib_id);
- if (!p)
- return ~0;
-
- return p[0];
-}
-
-static uword unformat_decap_next (unformat_input_t * input, va_list * args)
-{
- u32 * result = va_arg (*args, u32 *);
- u32 tmp;
-
- if (unformat (input, "drop"))
- *result = NSH_VXLAN_GPE_INPUT_NEXT_DROP;
- else if (unformat (input, "ip4"))
- *result = NSH_VXLAN_GPE_INPUT_NEXT_IP4_INPUT;
- else if (unformat (input, "ip6"))
- *result = NSH_VXLAN_GPE_INPUT_NEXT_IP6_INPUT;
- else if (unformat (input, "ethernet"))
- *result = NSH_VXLAN_GPE_INPUT_NEXT_ETHERNET_INPUT;
- else if (unformat (input, "nsh-vxlan-gpe"))
- *result = NSH_VXLAN_GPE_INPUT_NEXT_NSH_VXLAN_GPE_ENCAP;
- else if (unformat (input, "%d", &tmp))
- *result = tmp;
- else
- return 0;
- return 1;
-}
-
-static clib_error_t *
-nsh_vxlan_gpe_add_del_tunnel_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- unformat_input_t _line_input, * line_input = &_line_input;
- ip4_address_t src, dst;
- u8 is_add = 1;
- u8 src_set = 0;
- u8 dst_set = 0;
- u32 encap_fib_index = 0;
- u32 decap_fib_index = 0;
- u8 ver_o_c = 0;
- u8 length = 0;
- u8 md_type = 0;
- u8 next_protocol = 1; /* default: ip4 */
- u32 decap_next_index = NSH_VXLAN_GPE_INPUT_NEXT_IP4_INPUT;
- u32 spi;
- u8 spi_set = 0;
- u32 si;
- u32 vni;
- u8 vni_set = 0;
- u8 si_set = 0;
- u32 spi_si;
- u32 c1 = 0;
- u32 c2 = 0;
- u32 c3 = 0;
- u32 c4 = 0;
- u32 *tlvs = 0;
- u32 tmp;
- int rv;
- vnet_nsh_vxlan_gpe_add_del_tunnel_args_t _a, * a = &_a;
-
- /* Get a line of input. */
- if (! unformat_user (input, unformat_line_input, line_input))
- return 0;
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) {
- if (unformat (line_input, "del"))
- is_add = 0;
- else if (unformat (line_input, "src %U",
- unformat_ip4_address, &src))
- src_set = 1;
- else if (unformat (line_input, "dst %U",
- unformat_ip4_address, &dst))
- dst_set = 1;
- else if (unformat (line_input, "encap-vrf-id %d", &tmp))
- {
- encap_fib_index = fib_index_from_fib_id (tmp);
- if (encap_fib_index == ~0)
- return clib_error_return (0, "nonexistent encap fib id %d", tmp);
- }
- else if (unformat (line_input, "decap-vrf-id %d", &tmp))
- {
- decap_fib_index = fib_index_from_fib_id (tmp);
- if (decap_fib_index == ~0)
- return clib_error_return (0, "nonexistent decap fib id %d", tmp);
- }
- else if (unformat (line_input, "decap-next %U", unformat_decap_next,
- &decap_next_index))
- ;
- else if (unformat (line_input, "vni %d", &vni))
- vni_set = 1;
- else if (unformat (line_input, "version %d", &tmp))
- ver_o_c |= (tmp & 3) << 6;
- else if (unformat (line_input, "o-bit %d", &tmp))
- ver_o_c |= (tmp & 1) << 5;
- else if (unformat (line_input, "c-bit %d", &tmp))
- ver_o_c |= (tmp & 1) << 4;
- else if (unformat (line_input, "md-type %d", &tmp))
- md_type = tmp;
- else if (unformat(line_input, "next-ip4"))
- next_protocol = 1;
- else if (unformat(line_input, "next-ip6"))
- next_protocol = 2;
- else if (unformat(line_input, "next-ethernet"))
- next_protocol = 3;
- else if (unformat(line_input, "next-nsh"))
- next_protocol = 4;
- else if (unformat (line_input, "c1 %d", &c1))
- ;
- else if (unformat (line_input, "c2 %d", &c2))
- ;
- else if (unformat (line_input, "c3 %d", &c3))
- ;
- else if (unformat (line_input, "c4 %d", &c4))
- ;
- else if (unformat (line_input, "spi %d", &spi))
- spi_set = 1;
- else if (unformat (line_input, "si %d", &si))
- si_set = 1;
- else if (unformat (line_input, "tlv %x"))
- vec_add1 (tlvs, tmp);
- else
- return clib_error_return (0, "parse error: '%U'",
- format_unformat_error, line_input);
- }
-
- unformat_free (line_input);
-
- if (src_set == 0)
- return clib_error_return (0, "tunnel src address not specified");
-
- if (dst_set == 0)
- return clib_error_return (0, "tunnel dst address not specified");
-
- if (vni_set == 0)
- return clib_error_return (0, "vni not specified");
-
- if (spi_set == 0)
- return clib_error_return (0, "spi not specified");
-
- if (si_set == 0)
- return clib_error_return (0, "si not specified");
-
- spi_si = (spi<<8) | si;
-
- memset (a, 0, sizeof (*a));
-
- a->is_add = is_add;
-
-#define _(x) a->x = x;
- foreach_copy_field;
-#undef _
-
-#define _(x) a->nsh_hdr.x = x;
- foreach_copy_nshhdr_field;
-#undef _
-
- rv = vnet_nsh_vxlan_gpe_add_del_tunnel (a, 0 /* hw_if_indexp */);
-
- switch(rv)
- {
- case 0:
- break;
- case VNET_API_ERROR_INVALID_DECAP_NEXT:
- return clib_error_return (0, "invalid decap-next...");
-
- case VNET_API_ERROR_TUNNEL_EXIST:
- return clib_error_return (0, "tunnel already exists...");
-
- case VNET_API_ERROR_NO_SUCH_ENTRY:
- return clib_error_return (0, "tunnel does not exist...");
-
- default:
- return clib_error_return
- (0, "vnet_nsh_vxlan_gpe_add_del_tunnel returned %d", rv);
- }
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (create_nsh_vxlan_gpe_tunnel_command, static) = {
- .path = "nsh vxlan tunnel",
- .short_help =
- "nsh vxlan tunnel src <ip4-addr> dst <ip4-addr>"
- " c1 <nn> c2 <nn> c3 <nn> c4 <nn> spi <nn> si <nn> vni <nn>\n"
- " [encap-vrf-id <nn>] [decap-vrf-id <nn>] [o-bit <1|0>] [c-bit <1|0>]\n"
- " [md-type <nn>][next-ip4][next-ip6][next-ethernet][next-nsh]\n"
- " [tlv <xx>][decap-next [ip4|ip6|ethernet|nsh-vxlan-gpe]][del]\n",
- .function = nsh_vxlan_gpe_add_del_tunnel_command_fn,
-};
-
-static clib_error_t *
-show_nsh_vxlan_gpe_tunnel_command_fn (vlib_main_t * vm,
- unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- nsh_vxlan_gpe_main_t * ngm = &nsh_vxlan_gpe_main;
- nsh_vxlan_gpe_tunnel_t * t;
-
- if (pool_elts (ngm->tunnels) == 0)
- vlib_cli_output (vm, "No nsh-vxlan-gpe tunnels configured...");
-
- pool_foreach (t, ngm->tunnels,
- ({
- vlib_cli_output (vm, "%U", format_nsh_vxlan_gpe_tunnel, t);
- }));
-
- return 0;
-}
-
-VLIB_CLI_COMMAND (show_nsh_vxlan_gpe_tunnel_command, static) = {
- .path = "show nsh vxlan tunnel",
- .function = show_nsh_vxlan_gpe_tunnel_command_fn,
-};
-
-clib_error_t *nsh_vxlan_gpe_init (vlib_main_t *vm)
-{
- nsh_vxlan_gpe_main_t *ngm = &nsh_vxlan_gpe_main;
-
- ngm->vnet_main = vnet_get_main();
- ngm->vlib_main = vm;
-
- ngm->nsh_vxlan_gpe_tunnel_by_key
- = hash_create_mem (0, sizeof(nsh_vxlan_gpe_tunnel_key_t), sizeof (uword));
-
- udp_register_dst_port (vm, UDP_DST_PORT_vxlan_gpe,
- nsh_vxlan_gpe_input_node.index, 1 /* is_ip4 */);
- return 0;
-}
-
-VLIB_INIT_FUNCTION(nsh_vxlan_gpe_init);
-