af_packet: Add support for dump interfaces
Change-Id: I8d8ecc80edb7665125ba625a3ce7b30d2dea88f0
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vat/api_format.c b/src/vat/api_format.c
index c3ba701..df62e81 100644
--- a/src/vat/api_format.c
+++ b/src/vat/api_format.c
@@ -5825,6 +5825,7 @@
show_one_map_register_fallback_threshold_reply) \
_(AF_PACKET_CREATE_REPLY, af_packet_create_reply) \
_(AF_PACKET_DELETE_REPLY, af_packet_delete_reply) \
+_(AF_PACKET_DETAILS, af_packet_details) \
_(POLICER_ADD_DEL_REPLY, policer_add_del_reply) \
_(POLICER_DETAILS, policer_details) \
_(POLICER_CLASSIFY_SET_INTERFACE_REPLY, policer_classify_set_interface_reply) \
@@ -19815,6 +19816,53 @@
return ret;
}
+static void vl_api_af_packet_details_t_handler
+ (vl_api_af_packet_details_t * mp)
+{
+ vat_main_t *vam = &vat_main;
+
+ print (vam->ofp, "%-16s %d",
+ mp->host_if_name, clib_net_to_host_u32 (mp->sw_if_index));
+}
+
+static void vl_api_af_packet_details_t_handler_json
+ (vl_api_af_packet_details_t * mp)
+{
+ vat_main_t *vam = &vat_main;
+ vat_json_node_t *node = NULL;
+
+ if (VAT_JSON_ARRAY != vam->json_tree.type)
+ {
+ ASSERT (VAT_JSON_NONE == vam->json_tree.type);
+ vat_json_init_array (&vam->json_tree);
+ }
+ node = vat_json_array_add (&vam->json_tree);
+
+ vat_json_init_object (node);
+ vat_json_object_add_uint (node, "sw_if_index", ntohl (mp->sw_if_index));
+ vat_json_object_add_string_copy (node, "dev_name", mp->host_if_name);
+}
+
+static int
+api_af_packet_dump (vat_main_t * vam)
+{
+ vl_api_af_packet_dump_t *mp;
+ vl_api_control_ping_t *mp_ping;
+ int ret;
+
+ print (vam->ofp, "\n%-16s %s", "dev_name", "sw_if_index");
+ /* Get list of tap interfaces */
+ M (AF_PACKET_DUMP, mp);
+ S (mp);
+
+ /* Use a control ping for synchronization */
+ MPING (CONTROL_PING, mp_ping);
+ S (mp_ping);
+
+ W (ret);
+ return ret;
+}
+
static int
api_policer_add_del (vat_main_t * vam)
{
@@ -23670,6 +23718,7 @@
_(show_lisp_map_request_mode, "") \
_(af_packet_create, "name <host interface name> [hw_addr <mac>]") \
_(af_packet_delete, "name <host interface name>") \
+_(af_packet_dump, "") \
_(policer_add_del, "name <policer name> <params> [del]") \
_(policer_dump, "[name <policer name>]") \
_(policer_classify_set_interface, \
diff --git a/src/vnet/devices/af_packet/af_packet.api b/src/vnet/devices/af_packet/af_packet.api
index d7637da..1399011 100644
--- a/src/vnet/devices/af_packet/af_packet.api
+++ b/src/vnet/devices/af_packet/af_packet.api
@@ -69,6 +69,24 @@
u8 set;
};
+/** \brief Dump af_packet interfaces request */
+define af_packet_dump
+{
+ u32 client_index;
+ u32 context;
+};
+
+/** \brief Reply for af_packet dump request
+ @param sw_if_index - software index of af_packet interface
+ @param host_if_name - interface name
+*/
+define af_packet_details
+{
+ u32 context;
+ u32 sw_if_index;
+ u8 host_if_name[64];
+};
+
/*
* Local Variables:
* eval: (c-set-style "gnu")
diff --git a/src/vnet/devices/af_packet/af_packet.c b/src/vnet/devices/af_packet/af_packet.c
index 2e2c8e6..f1a7b6a 100644
--- a/src/vnet/devices/af_packet/af_packet.c
+++ b/src/vnet/devices/af_packet/af_packet.c
@@ -471,6 +471,31 @@
return 0;
}
+int
+af_packet_dump_ifs (af_packet_if_detail_t ** out_af_packet_ifs)
+{
+ af_packet_main_t *apm = &af_packet_main;
+ af_packet_if_t *apif;
+ af_packet_if_detail_t *r_af_packet_ifs = NULL;
+ af_packet_if_detail_t *af_packet_if = NULL;
+
+ vec_foreach (apif, apm->interfaces)
+ {
+ vec_add2 (r_af_packet_ifs, af_packet_if, 1);
+ af_packet_if->sw_if_index = apif->sw_if_index;
+ if (apif->host_if_name)
+ {
+ clib_memcpy (af_packet_if->host_if_name, apif->host_if_name,
+ MIN (ARRAY_LEN (af_packet_if->host_if_name) - 1,
+ strlen ((const char *) apif->host_if_name)));
+ }
+ }
+
+ *out_af_packet_ifs = r_af_packet_ifs;
+
+ return 0;
+}
+
static clib_error_t *
af_packet_init (vlib_main_t * vm)
{
diff --git a/src/vnet/devices/af_packet/af_packet.h b/src/vnet/devices/af_packet/af_packet.h
index 1136be6..b4621f6 100644
--- a/src/vnet/devices/af_packet/af_packet.h
+++ b/src/vnet/devices/af_packet/af_packet.h
@@ -23,6 +23,12 @@
typedef struct
{
+ u32 sw_if_index;
+ u8 host_if_name[64];
+} af_packet_if_detail_t;
+
+typedef struct
+{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
clib_spinlock_t lockp;
u8 *host_if_name;
@@ -70,9 +76,12 @@
int af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name);
int af_packet_set_l4_cksum_offload (vlib_main_t * vm, u32 sw_if_index,
u8 set);
+int af_packet_dump_ifs (af_packet_if_detail_t ** out_af_packet_ifs);
format_function_t format_af_packet_device_name;
+#define MIN(x,y) (((x)<(y))?(x):(y))
+
/*
* fd.io coding-style-patch-verification: ON
*
diff --git a/src/vnet/devices/af_packet/af_packet_api.c b/src/vnet/devices/af_packet/af_packet_api.c
index c7dfabc..3e03b59 100644
--- a/src/vnet/devices/af_packet/af_packet_api.c
+++ b/src/vnet/devices/af_packet/af_packet_api.c
@@ -45,7 +45,8 @@
#define foreach_vpe_api_msg \
_(AF_PACKET_CREATE, af_packet_create) \
_(AF_PACKET_DELETE, af_packet_delete) \
-_(AF_PACKET_SET_L4_CKSUM_OFFLOAD, af_packet_set_l4_cksum_offload)
+_(AF_PACKET_SET_L4_CKSUM_OFFLOAD, af_packet_set_l4_cksum_offload) \
+_(AF_PACKET_DUMP, af_packet_dump)
static void
vl_api_af_packet_create_t_handler (vl_api_af_packet_create_t * mp)
@@ -103,6 +104,50 @@
REPLY_MACRO (VL_API_AF_PACKET_SET_L4_CKSUM_OFFLOAD_REPLY);
}
+static void
+af_packet_send_details (vpe_api_main_t * am,
+ vl_api_registration_t * reg,
+ af_packet_if_detail_t * af_packet_if, u32 context)
+{
+ vl_api_af_packet_details_t *mp;
+ mp = vl_msg_api_alloc (sizeof (*mp));
+ memset (mp, 0, sizeof (*mp));
+ mp->_vl_msg_id = htons (VL_API_AF_PACKET_DETAILS);
+ mp->sw_if_index = htonl (af_packet_if->sw_if_index);
+ clib_memcpy (mp->host_if_name, af_packet_if->host_if_name,
+ MIN (ARRAY_LEN (mp->host_if_name) - 1,
+ strlen ((const char *) af_packet_if->host_if_name)));
+
+ mp->context = context;
+ vl_api_send_msg (reg, (u8 *) mp);
+}
+
+
+static void
+vl_api_af_packet_dump_t_handler (vl_api_af_packet_dump_t * mp)
+{
+ int rv;
+ vpe_api_main_t *am = &vpe_api_main;
+ vl_api_registration_t *reg;
+ af_packet_if_detail_t *out_af_packet_ifs = NULL;
+ af_packet_if_detail_t *af_packet_if = NULL;
+
+ reg = vl_api_client_index_to_registration (mp->client_index);
+ if (!reg)
+ return;
+
+ rv = af_packet_dump_ifs (&out_af_packet_ifs);
+ if (rv)
+ return;
+
+ vec_foreach (af_packet_if, out_af_packet_ifs)
+ {
+ af_packet_send_details (am, reg, af_packet_if, mp->context);
+ }
+
+ vec_free (out_af_packet_ifs);
+}
+
/*
* af_packet_api_hookup
* Add vpe's API message handlers to the table.
diff --git a/src/vpp/api/custom_dump.c b/src/vpp/api/custom_dump.c
index 15b1f69..99ad189 100644
--- a/src/vpp/api/custom_dump.c
+++ b/src/vpp/api/custom_dump.c
@@ -2205,6 +2205,16 @@
FINISH;
}
+static void *vl_api_af_packet_dump_t_print
+ (vl_api_af_packet_dump_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: af_packet_dump ");
+
+ FINISH;
+}
+
static u8 *
format_policer_action (u8 * s, va_list * va)
{
@@ -3591,6 +3601,7 @@
_(COP_WHITELIST_ENABLE_DISABLE, cop_whitelist_enable_disable) \
_(AF_PACKET_CREATE, af_packet_create) \
_(AF_PACKET_DELETE, af_packet_delete) \
+_(AF_PACKET_DUMP, af_packet_dump) \
_(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats) \
_(MPLS_FIB_DUMP, mpls_fib_dump) \
_(MPLS_TUNNEL_DUMP, mpls_tunnel_dump) \