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authorDave Barach <dave@barachs.net>2018-06-22 13:14:08 -0400
committerFlorin Coras <florin.coras@gmail.com>2018-06-23 23:49:33 +0000
commit2a8d02df15e71881754bab0bb16b85ccd65f8f74 (patch)
tree77f79c44c7d6f4b905a1f268ac6ba646bed255b8 /src/plugins/mactime/mactime.c
parente0d2bd6bd7fc59c0c6ac48195d7f825dc99bfd91 (diff)
Tx feature node, for accounting purposes
Switch to combined allow/drop counters Show matching ip4 neighbor address if known Add static-allow mactime entries for unknown mac addresses Add the "clear mactime" command Change-Id: Ib963981438dfb8a123df1b3c023bd5fcc27f888f Signed-off-by: Dave Barach <dbarach@cisco.com>
Diffstat (limited to 'src/plugins/mactime/mactime.c')
-rw-r--r--src/plugins/mactime/mactime.c120
1 files changed, 98 insertions, 22 deletions
diff --git a/src/plugins/mactime/mactime.c b/src/plugins/mactime/mactime.c
index 82bcfae06fe..06dda537a2f 100644
--- a/src/plugins/mactime/mactime.c
+++ b/src/plugins/mactime/mactime.c
@@ -103,6 +103,8 @@ mactime_enable_disable (mactime_main_t * mm, u32 sw_if_index,
vnet_feature_enable_disable ("device-input", "mactime",
sw_if_index, enable_disable, 0, 0);
+ vnet_feature_enable_disable ("interface-output", "mactime-tx",
+ sw_if_index, enable_disable, 0, 0);
return rv;
}
@@ -181,6 +183,32 @@ static void vl_api_mactime_enable_disable_t_handler
REPLY_MACRO (VL_API_MACTIME_ENABLE_DISABLE_REPLY);
}
+/** Create a lookup table entry for the indicated mac address
+ */
+void
+mactime_send_create_entry_message (u8 * mac_address)
+{
+ mactime_main_t *mm = &mactime_main;
+ api_main_t *am;
+ vl_shmem_hdr_t *shmem_hdr;
+ u8 *name;
+ vl_api_mactime_add_del_range_t *mp;
+
+ am = &api_main;
+ shmem_hdr = am->shmem_hdr;
+ mp = vl_msg_api_alloc_as_if_client (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = ntohs (VL_API_MACTIME_ADD_DEL_RANGE + mm->msg_id_base);
+ name = format (0, "mac-%U", format_mac_address, mac_address);
+
+ memcpy (mp->device_name, name, vec_len (name));
+ memcpy (mp->mac_address, mac_address, sizeof (mp->mac_address));
+ /* $$$ config: create allow / drop / range */
+ mp->allow = 1;
+ mp->is_add = 1;
+ vl_msg_api_send_shmem (shmem_hdr->vl_input_queue, (u8 *) & mp);
+}
+
/** Add or delete static / dynamic accept/drop configuration for a src mac
*/
@@ -212,11 +240,12 @@ static void vl_api_mactime_add_del_range_t_handler
{
pool_get (mm->devices, dp);
memset (dp, 0, sizeof (*dp));
- vlib_validate_simple_counter (&mm->allow_counters,
- dp - mm->devices);
- vlib_zero_simple_counter (&mm->allow_counters, dp - mm->devices);
- vlib_validate_simple_counter (&mm->drop_counters, dp - mm->devices);
- vlib_zero_simple_counter (&mm->drop_counters, dp - mm->devices);
+ vlib_validate_combined_counter (&mm->allow_counters,
+ dp - mm->devices);
+ vlib_zero_combined_counter (&mm->allow_counters, dp - mm->devices);
+ vlib_validate_combined_counter (&mm->drop_counters,
+ dp - mm->devices);
+ vlib_zero_combined_counter (&mm->drop_counters, dp - mm->devices);
mp->device_name[ARRAY_LEN (mp->device_name) - 1] = 0;
dp->device_name = format (0, "%s%c", mp->device_name, 0);
memcpy (dp->mac_address, mp->mac_address, sizeof (mp->mac_address));
@@ -380,6 +409,15 @@ VNET_FEATURE_INIT (mactime, static) =
/* *INDENT-ON */
/* *INDENT-OFF* */
+VNET_FEATURE_INIT (mactime_tx, static) =
+{
+ .arc_name = "interface-output",
+ .node_name = "mactime-tx",
+ .runs_before = VNET_FEATURES ("interface-tx"),
+};
+/* *INDENT-ON */
+
+/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () =
{
.version = VPP_BUILD_VER,
@@ -387,14 +425,6 @@ VLIB_PLUGIN_REGISTER () =
};
/* *INDENT-ON* */
-static u8 *
-format_mac_address (u8 * s, va_list * args)
-{
- u8 *a = va_arg (*args, u8 *);
- return format (s, "%02x:%02x:%02x:%02x:%02x:%02x",
- a[0], a[1], a[2], a[3], a[4], a[5]);
-}
-
static clib_error_t *
show_mactime_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
@@ -408,7 +438,18 @@ show_mactime_command_fn (vlib_main_t * vm,
int current_status = 99;
int i, j;
f64 now;
- u64 allow, drop;
+ vlib_counter_t allow, drop;
+ ethernet_arp_ip4_entry_t *n, *pool;
+
+ vec_reset_length (mm->arp_cache_copy);
+ pool = ip4_neighbors_pool ();
+
+ /* *INDENT-OFF* */
+ pool_foreach (n, pool,
+ ({
+ vec_add1 (mm->arp_cache_copy, n[0]);
+ }));
+ /* *INDENT-ON* */
now = clib_timebase_now (&mm->timebase);
@@ -431,9 +472,9 @@ show_mactime_command_fn (vlib_main_t * vm,
}));
/* *INDENT-ON* */
- vlib_cli_output (vm, "%-15s %20s %16s %10s %10s",
- "Device Name", "MAC address", "Current Status", "Allow",
- "Drop");
+ vlib_cli_output (vm, "%-15s %18s %14s %10s %10s %10s",
+ "Device Name", "Addresses", "Status",
+ "AllowPkt", "AllowByte", "DropPkt");
for (i = 0; i < vec_len (pool_indices); i++)
{
@@ -500,13 +541,24 @@ show_mactime_command_fn (vlib_main_t * vm,
status_string = "code bug!";
break;
}
- allow = vlib_get_simple_counter (&mm->allow_counters, dp - mm->devices);
- drop = vlib_get_simple_counter (&mm->drop_counters, dp - mm->devices);
- vlib_cli_output (vm, "%-15s %20s %16s %10lld %10lld",
+ vlib_get_combined_counter (&mm->allow_counters, dp - mm->devices,
+ &allow);
+ vlib_get_combined_counter (&mm->drop_counters, dp - mm->devices, &drop);
+ vlib_cli_output (vm, "%-15s %18s %14s %10lld %10lld %10lld",
dp->device_name, macstring, status_string,
- allow, drop);
+ allow.packets, allow.bytes, drop.packets);
+ /* This is really only good for small N... */
+ for (j = 0; j < vec_len (mm->arp_cache_copy); j++)
+ {
+ n = mm->arp_cache_copy + j;
+ if (!memcmp (dp->mac_address, n->ethernet_address,
+ sizeof (n->ethernet_address)))
+ {
+ vlib_cli_output (vm, "%17s%U", " ", format_ip4_address,
+ &n->ip4_address);
+ }
+ }
}
-
vec_free (macstring);
vec_free (pool_indices);
@@ -522,6 +574,30 @@ VLIB_CLI_COMMAND (show_mactime_command, static) =
};
/* *INDENT-ON* */
+static clib_error_t *
+clear_mactime_command_fn (vlib_main_t * vm,
+ unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+ mactime_main_t *mm = &mactime_main;
+
+ if (mm->feature_initialized == 0)
+ return clib_error_return (0, "feature not enabled");
+
+ vlib_clear_combined_counters (&mm->allow_counters);
+ vlib_clear_combined_counters (&mm->drop_counters);
+ vlib_cli_output (vm, "Mactime counters cleared...");
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (clear_mactime_command, static) =
+{
+ .path = "clear mactime",
+ .short_help = "clear mactime counters",
+ .function = clear_mactime_command_fn,
+};
+/* *INDENT-ON* */
+
/*