1 files changed, 276 insertions, 0 deletions
diff --git a/src/plugins/lacp/node.h b/src/plugins/lacp/node.h
new file mode 100644
index 00000000000..26cf7a36ccc
--- /dev/null
+++ b/src/plugins/lacp/node.h
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 2017 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.
+ */
+#ifndef __included_lacp_node_h__
+#define __included_lacp_node_h__
+
+#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
+#include <vppinfra/format.h>
+#include <vppinfra/hash.h>
+#include <lacp/protocol.h>
+#include <lacp/rx_machine.h>
+#include <lacp/tx_machine.h>
+#include <lacp/mux_machine.h>
+#include <lacp/ptx_machine.h>
+
+typedef enum
+{
+  LACP_PACKET_TEMPLATE_ETHERNET,
+  LACP_N_PACKET_TEMPLATES,
+} lacp_packet_template_id_t;
+
+typedef enum
+{
+  MARKER_PACKET_TEMPLATE_ETHERNET,
+  MARKER_N_PACKET_TEMPLATES,
+} marker_packet_template_id_t;
+
+enum
+{
+  LACP_PROCESS_EVENT_START = 1,
+  LACP_PROCESS_EVENT_STOP = 2,
+} lacp_process_event_t;
+
+#define LACP_DBG(n, args...)			\
+  {						\
+    lacp_main_t *_lm = &lacp_main;              \
+    if (_lm->debug || n->debug)			\
+      clib_warning (args);			\
+  }
+
+#define LACP_DBG2(n, e, s, m, t)   		  \
+  {						  \
+    lacp_main_t *_lm = &lacp_main;                \
+    if ((m)->debug && (_lm->debug || (n)->debug)) \
+      (*m->debug)(n, e, s, t);			  \
+  }
+
+/* Packet counters */
+#define foreach_lacp_error                                               \
+_ (NONE, "good lacp packets -- consumed")	                         \
+_ (CACHE_HIT, "good lacp packets -- cache hit")                          \
+_ (UNSUPPORTED, "unsupported slow protocol packets")                     \
+_ (TOO_SMALL, "bad lacp packets -- packet too small")                    \
+_ (BAD_TLV, "bad lacp packets -- bad TLV length")                        \
+_ (DISABLED, "lacp packets received on disabled interfaces")
+
+typedef enum
+{
+#define _(sym,str) LACP_ERROR_##sym,
+  foreach_lacp_error
+#undef _
+    LACP_N_ERROR,
+} lacp_error_t;
+
+/* lacp packet trace capture */
+typedef struct
+{
+  u32 len;
+  union
+  {
+    marker_pdu_t marker;
+    lacp_pdu_t lacpdu;
+  } pkt;
+} lacp_input_trace_t;
+
+/** LACP interface details struct */
+typedef struct
+{
+  u32 sw_if_index;
+  u8 interface_name[64];
+  u32 rx_state;
+  u32 tx_state;
+  u32 mux_state;
+  u32 ptx_state;
+  u8 bond_interface_name[64];
+  u16 actor_system_priority;
+  u8 actor_system[6];
+  u16 actor_key;
+  u16 actor_port_priority;
+  u16 actor_port_number;
+  u8 actor_state;
+  u16 partner_system_priority;
+  u8 partner_system[6];
+  u16 partner_key;
+  u16 partner_port_priority;
+  u16 partner_port_number;
+  u8 partner_state;
+} lacp_interface_details_t;
+
+typedef struct
+{
+  /** API message ID base */
+  u16 msg_id_base;
+
+  /* convenience variables */
+  vlib_main_t *vlib_main;
+  vnet_main_t *vnet_main;
+
+  /* Background process node index */
+  u32 lacp_process_node_index;
+
+  /* Packet templates for different encap types */
+  vlib_packet_template_t packet_templates[LACP_N_PACKET_TEMPLATES];
+
+  /* Packet templates for different encap types */
+  vlib_packet_template_t marker_packet_templates[MARKER_N_PACKET_TEMPLATES];
+
+  /* LACP interface count */
+  u32 lacp_int;
+
+  /* debug is on or off */
+  u8 debug;
+} lacp_main_t;
+
+extern lacp_state_struct lacp_state_array[];
+extern lacp_main_t lacp_main;
+
+clib_error_t *lacp_plugin_api_hookup (vlib_main_t * vm);
+int lacp_dump_ifs (lacp_interface_details_t ** out_bondids);
+lacp_error_t lacp_input (vlib_main_t * vm, vlib_buffer_t * b0, u32 bi0);
+void lacp_periodic (vlib_main_t * vm);
+u8 *lacp_input_format_trace (u8 * s, va_list * args);
+void lacp_init_neighbor (slave_if_t * sif, u8 * hw_address,
+			 u16 port_number, u32 group);
+void lacp_init_state_machines (vlib_main_t * vm, slave_if_t * sif);
+void lacp_init_rx_machine (vlib_main_t * vm, slave_if_t * sif);
+void lacp_init_tx_machine (vlib_main_t * vm, slave_if_t * sif);
+void lacp_init_ptx_machine (vlib_main_t * vm, slave_if_t * sif);
+void lacp_init_mux_machine (vlib_main_t * vm, slave_if_t * sif);
+void lacp_selection_logic (vlib_main_t * vm, slave_if_t * sif);
+void lacp_send_lacp_pdu (vlib_main_t * vm, slave_if_t * sif);
+
+static inline void
+lacp_stop_timer (f64 * timer)
+{
+  *timer = 0.0;
+}
+
+static inline u8
+lacp_timer_is_running (f64 timer)
+{
+  return (timer != 0.0);
+}
+
+static inline u8
+lacp_timer_is_expired (vlib_main_t * vm, f64 timer)
+{
+  f64 now = vlib_time_now (vm);
+
+  return (now >= timer);
+}
+
+static inline u8 *
+format_rx_sm_state (u8 * s, va_list * args)
+{
+  lacp_state_struct lacp_rx_sm_state_array[] = {
+#define _(b, s, n) {.bit = b, .str = #s, },
+    foreach_lacp_rx_sm_state
+#undef _
+    {.str = NULL}
+  };
+  int state = va_arg (*args, int);
+  lacp_state_struct *state_entry =
+    (lacp_state_struct *) & lacp_rx_sm_state_array;
+
+  if (state >= (sizeof (lacp_rx_sm_state_array) / sizeof (*state_entry)))
+    s = format (s, "Bad state %d", state);
+  else
+    s = format (s, "%s", state_entry[state].str);
+
+  return s;
+}
+
+static inline u8 *
+format_tx_sm_state (u8 * s, va_list * args)
+{
+  lacp_state_struct lacp_tx_sm_state_array[] = {
+#define _(b, s, n) {.bit = b, .str = #s, },
+    foreach_lacp_tx_sm_state
+#undef _
+    {.str = NULL}
+  };
+  int state = va_arg (*args, int);
+  lacp_state_struct *state_entry =
+    (lacp_state_struct *) & lacp_tx_sm_state_array;
+
+  if (state >= (sizeof (lacp_tx_sm_state_array) / sizeof (*state_entry)))
+    s = format (s, "Bad state %d", state);
+  else
+    s = format (s, "%s", state_entry[state].str);
+
+  return s;
+}
+
+static inline u8 *
+format_mux_sm_state (u8 * s, va_list * args)
+{
+  lacp_state_struct lacp_mux_sm_state_array[] = {
+#define _(b, s, n) {.bit = b, .str = #s, },
+    foreach_lacp_mux_sm_state
+#undef _
+    {.str = NULL}
+  };
+  int state = va_arg (*args, int);
+  lacp_state_struct *state_entry =
+    (lacp_state_struct *) & lacp_mux_sm_state_array;
+
+  if (state >= (sizeof (lacp_mux_sm_state_array) / sizeof (*state_entry)))
+    s = format (s, "Bad state %d", state);
+  else
+    s = format (s, "%s", state_entry[state].str);
+
+  return s;
+}
+
+static inline u8 *
+format_ptx_sm_state (u8 * s, va_list * args)
+{
+  lacp_state_struct lacp_ptx_sm_state_array[] = {
+#define _(b, s, n) {.bit = b, .str = #s, },
+    foreach_lacp_ptx_sm_state
+#undef _
+    {.str = NULL}
+  };
+  int state = va_arg (*args, int);
+  lacp_state_struct *state_entry =
+    (lacp_state_struct *) & lacp_ptx_sm_state_array;
+
+  if (state >= (sizeof (lacp_ptx_sm_state_array) / sizeof (*state_entry)))
+    s = format (s, "Bad state %d", state);
+  else
+    s = format (s, "%s", state_entry[state].str);
+
+  return s;
+}
+
+static inline int
+lacp_bit_test (u8 val, u8 bit)
+{
+  if (val & (1 << bit))
+    return 1;
+  else
+    return 0;
+}
+
+#endif /* __included_lacp_node_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */