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-rw-r--r--vpp-japi/japi/vppjni_bridge_domain.h510
1 files changed, 510 insertions, 0 deletions
diff --git a/vpp-japi/japi/vppjni_bridge_domain.h b/vpp-japi/japi/vppjni_bridge_domain.h
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+/*---------------------------------------------------------------------------
+ * Copyright (c) 2009-2014 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_vppjni_bridge_domain_h__
+#define __included_vppjni_bridge_domain_h__
+
+#include <vlib/vlib.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/mhash.h>
+
+/*
+ * The L2fib key is the mac address and bridge domain ID
+ */
+#define MAC_ADDRESS_SIZE 6
+
+typedef struct {
+ union {
+ struct {
+ u16 unused1;
+ u8 mac[MAC_ADDRESS_SIZE];
+ } fields;
+ u64 raw;
+ };
+} l2fib_u64_mac_t;
+
+/*
+ * The l2fib entry results
+ */
+typedef struct {
+ u32 bd_id;
+ l2fib_u64_mac_t mac_addr;
+ u32 sw_if_index;
+ u8 learned:1;
+ u8 bvi:1;
+ u8 filter:1; // drop packets to/from this mac
+ u8 unused1:5;
+} bd_l2fib_oper_t;
+
+typedef struct {
+ u32 bd_id;
+ u8 * bd_name;
+} bd_local_cfg_t;
+
+typedef struct {
+ u32 bd_id;
+ u32 sw_if_index;
+ u32 shg;
+} bd_sw_if_oper_t;
+
+typedef struct {
+ u32 bd_id;
+ u8 flood:1;
+ u8 forward:1;
+ u8 learn:1;
+ u8 uu_flood:1;
+ u8 arp_term:1;
+ u8 unused1:3;
+ u32 bvi_sw_if_index;
+ u32 n_sw_ifs;
+ bd_sw_if_oper_t * bd_sw_if_oper;
+ f64 last_sync_time;
+ mhash_t l2fib_index_by_mac;
+ bd_l2fib_oper_t * l2fib_oper; // vector indexed by l2fib_index
+} vjbd_oper_t;
+
+#define BD_OPER_REFRESH_INTERVAL 2.0
+#define BD_OPER_L2FIB_REFRESH_INTERVAL 5.0
+
+typedef struct {
+ u32 next_bd_id;
+ uword * bd_index_bitmap;
+ uword * bd_index_by_id;
+ mhash_t bd_id_by_name;
+ bd_local_cfg_t * local_cfg; // vector indexed by bd_index
+ vjbd_oper_t * bd_oper; // vector indexed by oper_bd_index
+ f64 bd_oper_last_sync_all_time;
+ bd_sw_if_oper_t * sw_if_oper; // vector indexed by sw_if_index
+ f64 l2fib_oper_last_sync_time;
+ uword * bd_id_by_sw_if_index;
+ uword * oper_bd_index_by_bd_id;
+} vjbd_main_t;
+
+extern vjbd_main_t vjbd_main;
+
+always_inline
+u64 l2fib_mac_to_u64 (u8 * mac_address) {
+ u64 temp;
+
+ // The mac address in memory is A:B:C:D:E:F
+ // The bd id in register is H:L
+#if CLIB_ARCH_IS_LITTLE_ENDIAN
+ // Create the in-register key as F:E:D:C:B:A:H:L
+ // In memory the key is L:H:A:B:C:D:E:F
+ temp = *((u64 *)(mac_address - 2));
+ temp = (temp & ~0xffff);
+#else
+ // Create the in-register key as H:L:A:B:C:D:E:F
+ // In memory the key is H:L:A:B:C:D:E:F
+ temp = *((u64 *)(mac_address)) >> 16;
+#endif
+
+ return temp;
+}
+
+static_always_inline void vjbd_main_init (vjbd_main_t *bdm)
+{
+ bdm->bd_index_by_id = hash_create (0, sizeof(uword));
+ mhash_init_vec_string (&bdm->bd_id_by_name, sizeof (u32));
+ bdm->bd_id_by_sw_if_index = hash_create (0, sizeof (u32));
+ bdm->oper_bd_index_by_bd_id = hash_create (0, sizeof (u32));
+}
+
+static_always_inline u32 vjbd_id_is_valid (vjbd_main_t * bdm, u32 bd_id)
+{
+ return ((bd_id != 0) && (bd_id != ~0) && (bd_id <= bdm->next_bd_id));
+}
+
+static_always_inline u32 vjbd_index_is_free (vjbd_main_t * bdm, u16 bd_index)
+{
+ u32 bd_id = vec_elt_at_index(bdm->local_cfg, bd_index)->bd_id;
+
+ return (!clib_bitmap_get (bdm->bd_index_bitmap, (bd_index)) &&
+ (bd_index < vec_len (bdm->local_cfg)) &&
+ ((bd_id == 0) || (bd_id == ~0)));
+}
+
+static_always_inline u32 vjbd_index_is_valid (vjbd_main_t * bdm, u16 bd_index)
+{
+ return (clib_bitmap_get (bdm->bd_index_bitmap, bd_index) &&
+ (bd_index < vec_len (bdm->local_cfg)));
+}
+
+static_always_inline u32 vjbd_id_from_name (vjbd_main_t * bdm,
+ const u8 * bd_name)
+{
+ u32 bd_id;
+ uword * p;
+
+ ASSERT (vec_c_string_is_terminated (bd_name));
+
+ if (bdm->next_bd_id == 0)
+ return ~0;
+
+ p = mhash_get (&bdm->bd_id_by_name, (void *)bd_name);
+ if (p)
+ {
+ bd_id = p[0];
+ ASSERT (vjbd_id_is_valid (bdm, bd_id));
+ }
+ else
+ bd_id = ~0;
+
+ return bd_id;
+}
+
+static_always_inline u32 vjbd_index_from_id (vjbd_main_t * bdm, u32 bd_id)
+{
+ uword * p;
+ u16 bd_index;
+
+ ASSERT (vjbd_id_is_valid (bdm, bd_id));
+
+ p = hash_get (bdm->bd_index_by_id, bd_id);
+
+ ASSERT (p); // there is always an index associated with a valid bd_id
+ bd_index = p[0];
+
+ ASSERT (vjbd_index_is_valid (bdm, bd_index));
+
+ return bd_index;
+}
+
+static_always_inline u32 vjbd_id_from_index (vjbd_main_t * bdm, u16 bd_index)
+{
+ u32 bd_id;
+
+ ASSERT (vjbd_index_is_valid (bdm, bd_index));
+
+ bd_id = vec_elt_at_index(bdm->local_cfg, bd_index)->bd_id;
+
+ ASSERT (vjbd_id_is_valid (bdm, bd_id));
+
+ return bd_id;
+}
+
+static_always_inline u8 * vjbd_name_from_id (vjbd_main_t * bdm, u32 bd_id)
+{
+ u16 bd_index = vjbd_index_from_id (bdm, bd_id);
+
+ return vec_elt_at_index(bdm->local_cfg, bd_index)->bd_name;
+}
+
+static_always_inline u8 * vjbd_oper_name_from_id (vjbd_main_t * bdm, u32 bd_id)
+{
+ if (vjbd_id_is_valid (bdm, bd_id)) {
+ return format(0, "%s", vjbd_name_from_id(bdm, bd_id));
+ } else {
+ return format(0, "BridgeDomainOper%d", bd_id);
+ }
+}
+
+static_always_inline vjbd_oper_t * vjbd_oper_from_id (vjbd_main_t * bdm,
+ u32 bd_id)
+{
+ u16 bd_index = vjbd_index_from_id (bdm, bd_id);
+ return vec_elt_at_index (bdm->bd_oper, bd_index);
+}
+
+static_always_inline void vjbd_oper_maybe_sync_from_vpp (vjbd_main_t * bdm,
+ u32 bd_id)
+{
+#ifdef VPPJNI_OPER
+ vppjni_vpe_api_msg_main_t *ovam = ovam_get_main ();
+
+ if (bd_id == ~0)
+ {
+ if ((ovam_time_now (ovam) - bdm->bd_oper_last_sync_all_time) >
+ BD_OPER_REFRESH_INTERVAL)
+ {
+ ovam_bridge_domain_dump (bd_id);
+ bdm->bd_oper_last_sync_all_time = ovam_time_now (ovam);
+ }
+ }
+
+ else
+ {
+ vjbd_oper_t * bd_oper = vjbd_oper_from_id (bdm, bd_id);
+
+ if ((ovam_time_now (ovam) - bd_oper->last_sync_time) >
+ BD_OPER_REFRESH_INTERVAL)
+ {
+ ovam_bridge_domain_dump (bd_id);
+
+ bd_oper->last_sync_time = ovam_time_now (ovam);
+ }
+ }
+#endif
+}
+
+static_always_inline u32 vjbd_id_from_sw_if_index (vjbd_main_t * bdm,
+ u32 sw_if_index)
+{
+ bd_sw_if_oper_t * bd_sw_if_oper;
+ u32 bd_id = ~0;
+
+ vjbd_oper_maybe_sync_from_vpp (bdm, ~0);
+ if (sw_if_index < vec_len (bdm->sw_if_oper))
+ {
+ bd_sw_if_oper = vec_elt_at_index (bdm->sw_if_oper, sw_if_index);
+ bd_id = bd_sw_if_oper->bd_id;
+ }
+
+ return bd_id;
+}
+
+static_always_inline u8 * vjbd_name_from_sw_if_index (vjbd_main_t * bdm,
+ u32 sw_if_index)
+{
+ u32 bd_id, bd_index;
+ u8 * bd_name = 0;
+
+ /* DAW-FIXME:
+ ASSERT (ovam_sw_if_index_valid (ovam_get_main(), sw_if_index));
+ */
+ vjbd_oper_maybe_sync_from_vpp (bdm, ~0);
+ bd_id = vjbd_id_from_sw_if_index (bdm, sw_if_index);
+ if (vjbd_id_is_valid (bdm, bd_id))
+ {
+ bd_index = vjbd_index_from_id (bdm, bd_id);
+ bd_name = vec_elt_at_index (bdm->local_cfg, bd_index)->bd_name;
+ }
+
+ return bd_name;
+}
+
+static_always_inline u32
+vjbd_oper_l2fib_index_from_mac (vjbd_oper_t * bd_oper, u8 * mac)
+{
+ u32 l2fib_index;
+ uword * p;
+
+ p = mhash_get (&bd_oper->l2fib_index_by_mac, mac);
+ if (p)
+ {
+ l2fib_index = p[0];
+ ASSERT (l2fib_index < vec_len (bd_oper->l2fib_oper));
+ }
+ else
+ l2fib_index = ~0;
+
+ return l2fib_index;
+}
+
+static_always_inline u32 vjbd_local_cfg_next_id (vjbd_main_t * bdm,
+ u32 bd_id)
+{
+ u32 i, end = vec_len (bdm->local_cfg);
+ u32 next_bd_id = 0;
+
+ if ((bd_id == 0) || vjbd_id_is_valid (bdm, bd_id))
+ for (i = 0; i < end; i++)
+ {
+ u32 curr_bd_id = bdm->local_cfg[i].bd_id;
+ if ((curr_bd_id != ~0) && (curr_bd_id > bd_id) &&
+ ((next_bd_id == 0) || (curr_bd_id < next_bd_id)))
+ next_bd_id = curr_bd_id;
+ }
+
+ return next_bd_id;
+}
+
+static_always_inline u32 vjbd_sw_if_oper_next_index (vjbd_main_t * bdm,
+ u32 start, u32 bd_id)
+{
+ u32 i, end = vec_len (bdm->sw_if_oper);
+
+ if (vjbd_id_is_valid (bdm, bd_id))
+ for (i = start; i < end; i++)
+ if (bdm->sw_if_oper[i].bd_id == bd_id)
+ return i;
+
+ return ~0;
+}
+
+static_always_inline void
+vjbd_oper_l2fib_maybe_sync_from_vpp (vjbd_main_t * bdm)
+{
+#ifdef VPPJNI_OPER
+ vppjni_vpe_api_msg_main_t *ovam = ovam_get_main ();
+ if ((ovam_time_now (ovam) - bdm->l2fib_oper_last_sync_time) >
+ BD_OPER_L2FIB_REFRESH_INTERVAL)
+ {
+ ovam_l2fib_table_dump ();
+ bdm->l2fib_oper_last_sync_time = ovam_time_now (ovam);
+ }
+#endif
+}
+
+static_always_inline void vjbd_l2fib_oper_reset (vjbd_main_t * bdm)
+{
+ vjbd_oper_t * bd_oper;
+
+ vec_foreach (bd_oper, bdm->bd_oper)
+ {
+ mhash_init (&bd_oper->l2fib_index_by_mac, sizeof (u32), MAC_ADDRESS_SIZE);
+ vec_reset_length (bd_oper->l2fib_oper);
+ }
+}
+
+static_always_inline void vjbd_oper_reset (vjbd_main_t * bdm, u32 bd_id)
+{
+ u16 bd_index;
+ u32 si, len;
+ vjbd_oper_t * bd_oper;
+ u32 end;
+
+ if (!bdm->bd_oper)
+ {
+ ASSERT (vec_len (bdm->sw_if_oper) == 0);
+ return;
+ }
+
+ if (bd_id == ~0)
+ {
+ bdm->bd_oper_last_sync_all_time = 0.0;
+ bd_index = 0;
+ end = vec_len (bdm->bd_oper);
+ }
+ else
+ {
+ bd_index = vjbd_index_from_id (bdm, bd_id);
+ end = bd_index + 1;
+ }
+
+ for (; bd_index < end; bd_index++)
+ {
+ bd_oper = vec_elt_at_index (bdm->bd_oper, bd_index);
+ bd_oper->last_sync_time = 0.0;
+
+ len = vec_len (bdm->sw_if_oper);
+ for (si = vjbd_sw_if_oper_next_index (bdm, 0, bd_id);
+ (si != ~0) && (si < len);
+ si = vjbd_sw_if_oper_next_index (bdm, si + 1, bd_id))
+ {
+ bd_sw_if_oper_t * bd_sw_if_oper;
+
+ bd_sw_if_oper = vec_elt_at_index (bdm->sw_if_oper, si);
+ bd_sw_if_oper->bd_id = ~0;
+ }
+ }
+}
+
+static_always_inline void
+vjbd_sw_if_add_del (u32 sw_if_index ,u32 bd_id, u8 bvi, u8 shg, u8 is_add)
+{
+ vjbd_main_t * bdm = &vjbd_main;
+ u16 bd_index = vjbd_index_from_id (bdm, bd_id);
+ vjbd_oper_t * bd_oper = vec_elt_at_index (bdm->bd_oper, bd_index);
+ bd_sw_if_oper_t * bd_sw_if_oper;
+
+ ASSERT (vjbd_id_is_valid (bdm, bd_id));
+ /* DAW-FIXME
+ ASSERT (ovam_sw_if_index_valid (ovam_get_main (), sw_if_index));
+ */
+
+ vec_validate (bdm->sw_if_oper, sw_if_index);
+ bd_sw_if_oper = vec_elt_at_index (bdm->sw_if_oper, sw_if_index);
+ if (is_add)
+ {
+ bd_sw_if_oper->bd_id = bd_id;
+ bd_sw_if_oper->shg = shg;
+ bd_oper->bvi_sw_if_index = bvi ? sw_if_index : ~0;
+ }
+ else
+ {
+ bd_sw_if_oper->bd_id = 0;
+ bd_sw_if_oper->shg = 0;
+ if (bd_oper->bvi_sw_if_index == sw_if_index)
+ bd_oper->bvi_sw_if_index = ~0;
+ }
+}
+
+static_always_inline u32 vjbd_id_sw_if_count (vjbd_main_t * bdm, u32 bd_id)
+{
+ u32 count = 0, i, end = vec_len (bdm->sw_if_oper);
+
+ if (vjbd_id_is_valid (bdm, bd_id))
+ for (count = i = 0; i < end; i++)
+ if (bdm->sw_if_oper[i].bd_id == bd_id)
+ count++;
+
+ return count;
+}
+
+static_always_inline u32 vjbd_find_or_add_bd (vjbd_main_t * bdm, u8 * bd_name)
+{
+ u16 bd_index;
+ u32 bd_id;
+ bd_local_cfg_t * bd_local_cfg;
+ uword mhash_val_bd_id;
+
+ bd_id = vjbd_id_from_name (bdm, bd_name);
+ if (bd_id != ~0)
+ return bd_id;
+
+ mhash_val_bd_id = bd_id = ++bdm->next_bd_id;
+ mhash_set_mem (&bdm->bd_id_by_name, (void *)bd_name, &mhash_val_bd_id, 0);
+
+ bd_index = clib_bitmap_first_clear (bdm->bd_index_bitmap);
+ vec_validate (bdm->local_cfg, bd_index);
+ vec_validate (bdm->bd_oper, bd_index);
+
+ ASSERT (vjbd_index_is_free (bdm, bd_index));
+
+ bd_local_cfg = vec_elt_at_index (bdm->local_cfg, bd_index);
+ bd_local_cfg->bd_id = bd_id;
+ vec_validate_init_c_string (bd_local_cfg->bd_name, bd_name,
+ vec_len (bd_name) - 1);
+ hash_set (bdm->bd_index_by_id, bd_id, bd_index);
+ bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap,
+ bd_index, 1);
+ return bd_id;
+}
+
+static_always_inline void vjbd_delete_bd (vjbd_main_t * bdm, u32 bd_id)
+{
+ u16 bd_index;
+ bd_local_cfg_t * bd_local_cfg;
+
+ ASSERT (vjbd_id_is_valid (bdm, bd_id));
+
+ // bd must not have any members before deleting
+ ASSERT (!vjbd_id_sw_if_count (bdm, bd_id));
+
+ bd_index = vjbd_index_from_id (bdm, bd_id);
+ bd_local_cfg = vec_elt_at_index (bdm->local_cfg, bd_index);
+ vjbd_oper_reset (bdm, bd_id);
+
+ mhash_unset (&bdm->bd_id_by_name, vjbd_name_from_id (bdm, bd_id), 0);
+ bdm->bd_index_bitmap = clib_bitmap_set (bdm->bd_index_bitmap,
+ bd_index, 0);
+ hash_unset (bdm->bd_index_by_id, bd_id);
+ bd_local_cfg->bd_id = ~0;
+ vec_validate_init_c_string (bd_local_cfg->bd_name, "", 0);
+
+ if (clib_bitmap_is_zero (bdm->bd_index_bitmap))
+ {
+ vec_reset_length (bdm->local_cfg);
+ vec_reset_length (bdm->bd_oper);
+ }
+
+ /* Force a resync of all bd_oper data. */
+ bdm->bd_oper_last_sync_all_time = 0.0;
+ vjbd_oper_maybe_sync_from_vpp (bdm, ~0);
+}
+
+#endif /* __included_vppjni_vpp_bridge_domain_h__ */