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authorDave Wallace <dwallacelf@gmail.com>2017-08-03 02:11:34 -0400
committerFlorin Coras <florin.coras@gmail.com>2017-08-11 02:50:51 +0000
commit543852a46ce107243ed92254bd88b87ca82bbd0b (patch)
treee9e1b95850dfcbdc116e0f6ee219c2e75cfff266 /src/uri/vppcom.h
parent7faab8d3a571a272506eb463fc470b9dbe8a02a7 (diff)
Add VPP Communications Library (VCL)
- VCL library - client/server test application - test script (make test integration tbd) - gdb command file templates - vppcom test config file Change-Id: I21eab7aa09b4e5dc3412acf5c2eab07415c2fc0f Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Diffstat (limited to 'src/uri/vppcom.h')
-rw-r--r--src/uri/vppcom.h152
1 files changed, 152 insertions, 0 deletions
diff --git a/src/uri/vppcom.h b/src/uri/vppcom.h
new file mode 100644
index 00000000000..4b048e039ec
--- /dev/null
+++ b/src/uri/vppcom.h
@@ -0,0 +1,152 @@
+/*
+ * 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_vppcom_h
+#define included_vppcom_h
+
+#include <netdb.h>
+#include <errno.h>
+
+/*
+ * VPPCOM Public API Definitions, Enums, and Data Structures
+ */
+#define INVALID_SESSION_ID (~0)
+#define VPPCOM_VRF_DEFAULT 0
+#define VPPCOM_CONF_ENV "VPPCOM_CONF"
+#define VPPCOM_CONF_DEFAULT "/etc/vpp/vppcom.conf"
+
+typedef enum
+{
+ VPPCOM_PROTO_TCP = 0,
+ VPPCOM_PROTO_UDP,
+} vppcom_proto_t;
+
+typedef enum
+{
+ VPPCOM_IS_IP6 = 0,
+ VPPCOM_IS_IP4,
+} vppcom_is_ip4_t;
+
+typedef struct vppcom_endpt_t_
+{
+ uint32_t vrf;
+ uint8_t is_cut_thru;
+ uint8_t is_ip4;
+ uint8_t *ip;
+ uint16_t port;
+} vppcom_endpt_t;
+
+typedef enum
+{
+ VPPCOM_OK = 0,
+ VPPCOM_EAGAIN = -EAGAIN,
+ VPPCOM_EINVAL = -EINVAL,
+ VPPCOM_EBADFD = -EBADFD,
+ VPPCOM_EAFNOSUPPORT = -EAFNOSUPPORT,
+ VPPCOM_ECONNRESET = -ECONNRESET,
+ VPPCOM_ECONNREFUSED = -ECONNREFUSED,
+ VPPCOM_ETIMEDOUT = -ETIMEDOUT,
+} vppcom_error_t;
+
+/*
+ * VPPCOM Public API Functions
+ */
+static inline const char *
+vppcom_retval_str (int retval)
+{
+ char *st;
+
+ switch (retval)
+ {
+ case VPPCOM_OK:
+ st = "VPPCOM_OK";
+ break;
+
+ case VPPCOM_EAGAIN:
+ st = "VPPCOM_EAGAIN";
+ break;
+
+ case VPPCOM_EINVAL:
+ st = "VPPCOM_EINVAL";
+ break;
+
+ case VPPCOM_EBADFD:
+ st = "VPPCOM_EBADFD";
+ break;
+
+ case VPPCOM_EAFNOSUPPORT:
+ st = "VPPCOM_EAFNOSUPPORT";
+ break;
+
+ case VPPCOM_ECONNRESET:
+ st = "VPPCOM_ECONNRESET";
+ break;
+
+ case VPPCOM_ECONNREFUSED:
+ st = "VPPCOM_ECONNREFUSED";
+ break;
+
+ case VPPCOM_ETIMEDOUT:
+ st = "VPPCOM_ETIMEDOUT";
+ break;
+
+ default:
+ st = "UNKNOWN_STATE";
+ break;
+ }
+
+ return st;
+}
+
+static inline int
+is_vcom_fd (int fd)
+{
+#define VPPCOM_FD_OFFSET (1 << 30)
+ return (fd >= VPPCOM_FD_OFFSET);
+}
+
+/* TBD: make these constructor/destructor function */
+extern int vppcom_app_create (char *app_name);
+extern void vppcom_app_destroy (void);
+
+extern int vppcom_session_create (uint32_t vrf, uint8_t proto,
+ uint8_t is_nonblocking);
+extern int vppcom_session_close (uint32_t session_index);
+
+extern int vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep);
+extern int vppcom_session_listen (uint32_t session_index, uint32_t q_len);
+extern int vppcom_session_accept (uint32_t session_index,
+ vppcom_endpt_t * client_ep,
+ double wait_for_time);
+
+extern int vppcom_session_connect (uint32_t session_index,
+ vppcom_endpt_t * server_ep);
+extern int vppcom_session_read (uint32_t session_index, void *buf, int n);
+extern int vppcom_session_write (uint32_t session_index, void *buf, int n);
+
+extern int vppcom_select (unsigned long n_bits,
+ unsigned long *read_map,
+ unsigned long *write_map,
+ unsigned long *except_map, double wait_for_time);
+
+#endif /* included_vppcom_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
a id='n370' href='#n370'>370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 
/*
 * Copyright (c) 2015-2016 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.
 */

/** \brief Configure BFD feature
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param slow_timer - slow timer (seconds)
    @param min_tx - desired min tx interval
    @param min_rx - desired min rx interval
    @param detect_mult - desired detection multiplier
*/
define bfd_set_config
{
  u32 client_index;
  u32 context;
  u32 slow_timer;
  u32 min_tx;
  u32 min_rx;
  u8 detect_mult;
};

/** \brief Configure BFD feature response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define bfd_set_config_reply
{
  u32 context;
  i32 retval;
};

/** \brief Get BFD configuration
*/
define bfd_get_config
{
  u32 client_index;
  u32 context;
};

/** \brief Get BFD configuration response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
    @param slow_timer - slow timer (seconds)
    @param min_tx - desired min tx interval
    @param min_rx - desired min rx interval
    @param detect_mult - desired detection multiplier
*/
define bfd_get_config_reply
{
  u32 client_index;
  u32 context;
  u32 slow_timer;
  u32 min_tx;
  u32 min_rx;
  u8 detect_mult;
};

/** \brief Add UDP BFD session on interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param desired_min_tx - desired min transmit interval (microseconds)
    @param required_min_rx - required min receive interval (microseconds)
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
    @param detect_mult - detect multiplier (# of packets missed before connection goes down)
    @param is_authenticated - non-zero if authentication is required
    @param bfd_key_id - key id sent out in BFD packets (if is_authenticated)
    @param conf_key_id - id of already configured key (if is_authenticated)
*/
define bfd_udp_add
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 desired_min_tx;
  u32 required_min_rx;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
  u8 detect_mult;
  u8 is_authenticated;
  u8 bfd_key_id;
  u32 conf_key_id;
};

/** \brief Add UDP BFD session response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define bfd_udp_add_reply
{
  u32 context;
  i32 retval;
};

/** \brief Modify UDP BFD session on interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param desired_min_tx - desired min transmit interval (microseconds)
    @param required_min_rx - required min receive interval (microseconds)
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
    @param detect_mult - detect multiplier (# of packets missed before connection goes down)
*/
define bfd_udp_mod
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u32 desired_min_tx;
  u32 required_min_rx;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
  u8 detect_mult;
};

/** \brief Modify UDP BFD session response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define bfd_udp_mod_reply
{
  u32 context;
  i32 retval;
};

/** \brief Delete UDP BFD session on interface
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
*/
define bfd_udp_del
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
};

/** \brief Delete UDP BFD session response
    @param context - sender context, to match reply w/ request
    @param retval - return code for the request
*/
define bfd_udp_del_reply
{
  u32 context;
  i32 retval;
};

/** \brief Get all BFD sessions
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define bfd_udp_session_dump
{
  u32 client_index;
  u32 context;
};

/** \brief BFD session details structure
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
    @param state - session state
    @param is_authenticated - non-zero if authentication in-use, zero otherwise
    @param bfd_key_id - ID of key currently in-use if auth is on
    @param conf_key_id - configured key ID for this session
    @param required_min_rx - required min receive interval (microseconds)
    @param desired_min_tx - desired min transmit interval (microseconds)
    @param detect_mult - detect multiplier (# of packets missed before connection goes down)
*/
define bfd_udp_session_details
{
  u32 context;
  u32 sw_if_index;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
  u8 state;
  u8 is_authenticated;
  u8 bfd_key_id;
  u32 conf_key_id;
  u32 required_min_rx;
  u32 desired_min_tx;
  u8 detect_mult;
};

/** \brief Set flags of BFD UDP session
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
    @param admin_up_down - set the admin state, 1 = up, 0 = down
*/
define bfd_udp_session_set_flags
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
  u8 admin_up_down;
};

/** \brief Reply to bfd_udp_session_set_flags
    @param context - sender context which was passed in the request
    @param retval - return code of the set flags request
*/
define bfd_udp_session_set_flags_reply
{
  u32 context;
  i32 retval;
};

/** \brief Register for BFD events
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param enable_disable - 1 => register for events, 0 => cancel registration
    @param pid - sender's pid
*/
define want_bfd_events
{
  u32 client_index;
  u32 context;
  u32 enable_disable;
  u32 pid;
};

/** \brief Reply for BFD events registration
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define want_bfd_events_reply
{
  u32 context;
  i32 retval;
};

/** \brief BFD UDP - add/replace key to configuration
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param conf_key_id - key ID to add/replace/delete
    @param key_len - length of key (must be non-zero)
    @param auth_type - authentication type (RFC 5880/4.1/Auth Type)
    @param key - key data
*/
define bfd_auth_set_key
{
  u32 client_index;
  u32 context;
  u32 conf_key_id;
  u8 key_len;
  u8 auth_type;
  u8 key[20];
};

/** \brief BFD UDP - add/replace key reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define bfd_auth_set_key_reply
{
  u32 context;
  i32 retval;
};

/** \brief BFD UDP - delete key from configuration
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param conf_key_id - key ID to add/replace/delete
    @param key_len - length of key (must be non-zero)
    @param key - key data
*/
define bfd_auth_del_key
{
  u32 client_index;
  u32 context;
  u32 conf_key_id;
};

/** \brief BFD UDP - delete key reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define bfd_auth_del_key_reply
{
  u32 context;
  i32 retval;
};

/** \brief Get a list of configured authentication keys
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
*/
define bfd_auth_keys_dump
{
  u32 client_index;
  u32 context;
};

/** \brief BFD authentication key details
    @param context - sender context, to match reply w/ request
    @param conf_key_id - configured key ID
    @param use_count - how many BFD sessions currently use this key
    @param auth_type - authentication type (RFC 5880/4.1/Auth Type)
*/
define bfd_auth_keys_details
{
  u32 context;
  u32 conf_key_id;
  u32 use_count;
  u8 auth_type;
};

/** \brief BFD UDP - activate/change authentication
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
    @param is_delayed - change is applied once peer applies the change (on first received packet with this auth)
    @param bfd_key_id - key id sent out in BFD packets
    @param conf_key_id - id of already configured key
*/
define bfd_udp_auth_activate
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
  u8 is_delayed;
  u8 bfd_key_id;
  u32 conf_key_id;
};

/** \brief BFD UDP - activate/change authentication reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define bfd_udp_auth_activate_reply
{
  u32 context;
  i32 retval;
};

/** \brief BFD UDP - deactivate authentication
    @param client_index - opaque cookie to identify the sender
    @param context - sender context, to match reply w/ request
    @param sw_if_index - sw index of the interface
    @param local_addr - local address
    @param peer_addr - peer address
    @param is_ipv6 - local_addr, peer_addr are IPv6 if non-zero, otherwise IPv4
    @param is_delayed - change is applied once peer applies the change (on first received non-authenticated packet)
*/
define bfd_udp_auth_deactivate
{
  u32 client_index;
  u32 context;
  u32 sw_if_index;
  u8 local_addr[16];
  u8 peer_addr[16];
  u8 is_ipv6;
  u8 is_delayed;
};

/** \brief BFD UDP - deactivate authentication reply
    @param context - returned sender context, to match reply w/ request
    @param retval - return code
*/
define bfd_udp_auth_deactivate_reply
{
  u32 context;
  i32 retval;
};

/*
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */