pppoe_main_t pppoe_main;
+static fib_source_t pppoe_fib_src;
+
u8 *
format_pppoe_session (u8 * s, va_list * args)
{
return format (s, "pppoe_session%d", dev_instance);
}
-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;
-}
-
static clib_error_t *
pppoe_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
{
/* *INDENT-OFF* */
VNET_DEVICE_CLASS (pppoe_device_class,static) = {
- .name = "PPPPOE",
+ .name = "PPPoE",
.format_device_name = format_pppoe_name,
- .tx_function = dummy_interface_tx,
.admin_up_down_function = pppoe_interface_admin_up_down,
};
/* *INDENT-ON* */
* @brief Fixup the adj rewrite post encap. Insert the packet's length
*/
static void
-pppoe_fixup (vlib_main_t * vm, ip_adjacency_t * adj, vlib_buffer_t * b0)
+pppoe_fixup (vlib_main_t * vm,
+ const ip_adjacency_t * adj, vlib_buffer_t * b0, const void *data)
{
+ const pppoe_session_t *t;
pppoe_header_t *pppoe0;
- pppoe0 = vlib_buffer_get_current (b0);
+ /* update the rewrite string */
+ pppoe0 = vlib_buffer_get_current (b0) + sizeof (ethernet_header_t);
pppoe0->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0)
- sizeof (pppoe_header_t)
+ + sizeof (pppoe0->ppp_proto)
- sizeof (ethernet_header_t));
+ /* Swap to the the packet's output interface to the encap (not the
+ * session) interface */
+ t = data;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = t->encap_if_index;
}
static void
ASSERT (ADJ_INDEX_INVALID != ai);
adj = adj_get (ai);
+ session_id = pem->session_index_by_sw_if_index[sw_if_index];
+ t = pool_elt_at_index (pem->sessions, session_id);
switch (adj->lookup_next_index)
{
case IP_LOOKUP_NEXT_ARP:
case IP_LOOKUP_NEXT_GLEAN:
- adj_nbr_midchain_update_rewrite (ai, pppoe_fixup,
+ case IP_LOOKUP_NEXT_BCAST:
+ adj_nbr_midchain_update_rewrite (ai, pppoe_fixup, t,
ADJ_FLAG_NONE,
pppoe_build_rewrite (vnm,
sw_if_index,
* Construct a partial rewrite from the known ethernet mcast dest MAC
* There's no MAC fixup, so the last 2 parameters are 0
*/
- adj_mcast_midchain_update_rewrite (ai, pppoe_fixup,
+ adj_mcast_midchain_update_rewrite (ai, pppoe_fixup, t,
ADJ_FLAG_NONE,
pppoe_build_rewrite (vnm,
sw_if_index,
break;
}
- session_id = pem->session_index_by_sw_if_index[sw_if_index];
- t = pool_elt_at_index (pem->sessions, session_id);
interface_tx_dpo_add_or_lock (vnet_link_to_dpo_proto (adj->ia_link),
t->encap_if_index, &dpo);
/* *INDENT-OFF* */
VNET_HW_INTERFACE_CLASS (pppoe_hw_class) =
{
- .name = "PPPPOE",
+ .name = "PPPoE",
.format_header = format_pppoe_header_with_length,
.build_rewrite = pppoe_build_rewrite,
.update_adjacency = pppoe_update_adj,
cached_key.raw = ~0;
cached_result.raw = ~0; /* warning be gone */
- memset (&pfx, 0, sizeof (pfx));
+ clib_memset (&pfx, 0, sizeof (pfx));
if (!is_ip6)
{
pfx.fp_proto = FIB_PROTOCOL_IP6;
}
- /* Get encap_if_index and local mac address */
- pppoe_lookup_1 (&pem->session_table, &cached_key, &cached_result,
- a->client_mac, clib_host_to_net_u16 (a->session_id),
- &key, &bucket, &result);
+ /* Get encap_if_index and local mac address from link_table */
+ pppoe_lookup_1 (&pem->link_table, &cached_key, &cached_result,
+ a->client_mac, 0, &key, &bucket, &result);
a->encap_if_index = result.fields.sw_if_index;
if (a->encap_if_index == ~0)
si = vnet_get_sw_interface (vnm, a->encap_if_index);
hi = vnet_get_hw_interface (vnm, si->hw_if_index);
+ /* lookup session_table */
+ pppoe_lookup_1 (&pem->session_table, &cached_key, &cached_result,
+ a->client_mac, clib_host_to_net_u16 (a->session_id),
+ &key, &bucket, &result);
+
+ /* learn client session */
+ pppoe_learn_process (&pem->session_table, a->encap_if_index,
+ &key, &cached_key, &bucket, &result);
if (a->is_add)
{
return VNET_API_ERROR_INVALID_DECAP_NEXT;
pool_get_aligned (pem->sessions, t, CLIB_CACHE_LINE_BYTES);
- memset (t, 0, sizeof (*t));
+ clib_memset (t, 0, sizeof (*t));
clib_memcpy (t->local_mac, hi->hw_address, 6);
/* add reverse route for client ip */
fib_table_entry_path_add (a->decap_fib_index, &pfx,
- FIB_SOURCE_PLUGIN_HI, FIB_ENTRY_FLAG_NONE,
+ pppoe_fib_src, FIB_ENTRY_FLAG_NONE,
fib_proto_to_dpo (pfx.fp_proto),
&pfx.fp_addr, sw_if_index, ~0,
1, NULL, FIB_ROUTE_PATH_FLAG_NONE);
/* delete reverse route for client ip */
fib_table_entry_path_remove (a->decap_fib_index, &pfx,
- FIB_SOURCE_PLUGIN_HI,
+ pppoe_fib_src,
fib_proto_to_dpo (pfx.fp_proto),
&pfx.fp_addr,
sw_if_index, ~0, 1,
clib_error_t *error = NULL;
/* Cant "universally zero init" (={0}) due to GCC bug 53119 */
- memset (&client_ip, 0, sizeof client_ip);
+ clib_memset (&client_ip, 0, sizeof client_ip);
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
goto done;
}
- memset (a, 0, sizeof (*a));
+ clib_memset (a, 0, sizeof (*a));
a->is_add = is_add;
a->is_ip6 = ipv6_set;
}
/*?
- * Add or delete a PPPPOE Session.
+ * Add or delete a PPPoE Session.
*
* @cliexpar
- * Example of how to create a PPPPOE Session:
+ * Example of how to create a PPPoE Session:
* @cliexcmd{create pppoe session client-ip 10.0.3.1 session-id 13
* client-mac 00:01:02:03:04:05 }
- * Example of how to delete a PPPPOE Session:
+ * Example of how to delete a PPPoE Session:
* @cliexcmd{create pppoe session client-ip 10.0.3.1 session-id 13
* client-mac 00:01:02:03:04:05 del }
?*/
/* *INDENT-ON* */
/*?
- * Display all the PPPPOE Session entries.
+ * Display all the PPPoE Session entries.
*
* @cliexpar
- * Example of how to display the PPPPOE Session entries:
+ * Example of how to display the PPPoE Session entries:
* @cliexstart{show pppoe session}
* [0] client-ip 10.0.3.1 session_id 13 encap-if-index 0 decap-vrf-id 13 sw_if_index 5
* local-mac a0:b0:c0:d0:e0:f0 client-mac 00:01:02:03:04:05
};
/* *INDENT-ON* */
+typedef struct pppoe_show_walk_ctx_t_
+{
+ vlib_main_t *vm;
+ u8 first_entry;
+ u32 total_entries;
+} pppoe_show_walk_ctx_t;
+
+static int
+pppoe_show_walk_cb (BVT (clib_bihash_kv) * kvp, void *arg)
+{
+ pppoe_show_walk_ctx_t *ctx = arg;
+ pppoe_entry_result_t result;
+ pppoe_entry_key_t key;
+
+ if (ctx->first_entry)
+ {
+ ctx->first_entry = 0;
+ vlib_cli_output (ctx->vm,
+ "%=19s%=12s%=13s%=14s",
+ "Mac-Address", "session_id", "sw_if_index",
+ "session_index");
+ }
+
+ key.raw = kvp->key;
+ result.raw = kvp->value;
+
+ vlib_cli_output (ctx->vm,
+ "%=19U%=12d%=13d%=14d",
+ format_ethernet_address, key.fields.mac,
+ clib_net_to_host_u16 (key.fields.session_id),
+ result.fields.sw_if_index == ~0
+ ? -1 : result.fields.sw_if_index,
+ result.fields.session_index == ~0
+ ? -1 : result.fields.session_index);
+ ctx->total_entries++;
+
+ return (BIHASH_WALK_CONTINUE);
+}
+
/** Display the contents of the PPPoE Fib. */
static clib_error_t *
show_pppoe_fib_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
pppoe_main_t *pem = &pppoe_main;
- BVT (clib_bihash) * h = &pem->session_table;
- BVT (clib_bihash_bucket) * b;
- BVT (clib_bihash_value) * v;
- pppoe_entry_key_t key;
- pppoe_entry_result_t result;
- u32 first_entry = 1;
- u64 total_entries = 0;
- int i, j, k;
- u8 *s = 0;
+ pppoe_show_walk_ctx_t ctx = {
+ .first_entry = 1,
+ .vm = vm,
+ };
- for (i = 0; i < h->nbuckets; i++)
- {
- b = &h->buckets[i];
- if (b->offset == 0)
- continue;
- v = BV (clib_bihash_get_value) (h, b->offset);
- for (j = 0; j < (1 << b->log2_pages); j++)
- {
- for (k = 0; k < BIHASH_KVP_PER_PAGE; k++)
- {
- if (v->kvp[k].key == ~0ULL && v->kvp[k].value == ~0ULL)
- continue;
-
- if (first_entry)
- {
- first_entry = 0;
- vlib_cli_output (vm,
- "%=19s%=12s%=13s%=14s",
- "Mac-Address", "session_id", "sw_if_index",
- "session_index");
- }
-
- key.raw = v->kvp[k].key;
- result.raw = v->kvp[k].value;
-
-
- vlib_cli_output (vm,
- "%=19U%=12d%=13d%=14d",
- format_ethernet_address, key.fields.mac,
- clib_net_to_host_u16 (key.fields.session_id),
- result.fields.sw_if_index == ~0
- ? -1 : result.fields.sw_if_index,
- result.fields.session_index == ~0
- ? -1 : result.fields.session_index);
- vec_reset_length (s);
- total_entries++;
- }
- v++;
- }
- }
+ BV (clib_bihash_foreach_key_value_pair)
+ (&pem->session_table, pppoe_show_walk_cb, &ctx);
- if (total_entries == 0)
+ if (ctx.total_entries == 0)
vlib_cli_output (vm, "no pppoe fib entries");
else
- vlib_cli_output (vm, "%lld pppoe fib entries", total_entries);
+ vlib_cli_output (vm, "%lld pppoe fib entries", ctx.total_entries);
- vec_free (s);
return 0;
}
pem->vlib_main = vm;
/* Create the hash table */
+ BV (clib_bihash_init) (&pem->link_table, "pppoe link table",
+ PPPOE_NUM_BUCKETS, PPPOE_MEMORY_SIZE);
+
BV (clib_bihash_init) (&pem->session_table, "pppoe session table",
PPPOE_NUM_BUCKETS, PPPOE_MEMORY_SIZE);
pppoe_input_node.index);
ethernet_register_input_type (vm, ETHERNET_TYPE_PPPOE_DISCOVERY,
- pppoe_tap_dispatch_node.index);
+ pppoe_cp_dispatch_node.index);
+
+ pppoe_fib_src = fib_source_allocate ("pppoe",
+ FIB_SOURCE_PRIORITY_HI,
+ FIB_SOURCE_BH_API);
return 0;
}
/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
- .description = "PPPoE",
+ .description = "PPP over Ethernet (PPPoE)",
};
/* *INDENT-ON* */