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-rw-r--r--vnet/vnet/interface.api24
-rw-r--r--vnet/vnet/interface_api.c48
-rw-r--r--vpp-api-test/vat/api_format.c52
-rw-r--r--vpp/vpp-api/custom_dump.c15
4 files changed, 134 insertions, 5 deletions
diff --git a/vnet/vnet/interface.api b/vnet/vnet/interface.api
index acc52a81724..77f5cfe3e2a 100644
--- a/vnet/vnet/interface.api
+++ b/vnet/vnet/interface.api
@@ -29,3 +29,27 @@ define sw_interface_set_flags_reply
i32 retval;
};
+/** \brief Set interface MTU
+ @param client_index - opaque cookie to identify the sender
+ @param context - sender context, to match reply w/ request
+ @param sw_if_index - index of the interface to set MTU on
+ @param mtu - MTU
+*/
+define sw_interface_set_mtu
+{
+ u32 client_index;
+ u32 context;
+ u32 sw_if_index;
+ u16 mtu;
+};
+
+/** \brief Reply to sw_interface_set_mtu
+ @param context - sender context which was passed in the request
+ @param retval - return code of the set flags request
+*/
+define sw_interface_set_mtu_reply
+{
+ u32 context;
+ i32 retval;
+};
+
diff --git a/vnet/vnet/interface_api.c b/vnet/vnet/interface_api.c
index eeb1d81d4d0..41fded791d9 100644
--- a/vnet/vnet/interface_api.c
+++ b/vnet/vnet/interface_api.c
@@ -22,6 +22,7 @@
#include <vnet/interface.h>
#include <vnet/api_errno.h>
+#include <vnet/ethernet/ethernet.h>
#include <vnet/vnet_msg_enum.h>
@@ -42,7 +43,8 @@
#include <vlibapi/api_helper_macros.h>
#define foreach_vpe_api_msg \
-_(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags)
+_(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags) \
+_(SW_INTERFACE_SET_MTU, sw_interface_set_mtu)
static void
vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
@@ -68,6 +70,50 @@ vl_api_sw_interface_set_flags_t_handler (vl_api_sw_interface_set_flags_t * mp)
REPLY_MACRO (VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
}
+static void
+vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp)
+{
+ vl_api_sw_interface_set_mtu_reply_t *rmp;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 flags = ETHERNET_INTERFACE_FLAG_MTU;
+ u32 sw_if_index = ntohl (mp->sw_if_index);
+ u16 mtu = ntohs (mp->mtu);
+ ethernet_main_t *em = &ethernet_main;
+ int rv = 0;
+
+ VALIDATE_SW_IF_INDEX (mp);
+
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, sw_if_index);
+ ethernet_interface_t *eif = ethernet_get_interface (em, sw_if_index);
+
+ if (!eif)
+ {
+ rv = VNET_API_ERROR_FEATURE_DISABLED;
+ goto bad_sw_if_index;
+ }
+
+ if (mtu < hi->min_supported_packet_bytes)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto bad_sw_if_index;
+ }
+
+ if (mtu > hi->max_supported_packet_bytes)
+ {
+ rv = VNET_API_ERROR_INVALID_VALUE;
+ goto bad_sw_if_index;
+ }
+
+ if (hi->max_packet_bytes != mtu)
+ {
+ hi->max_packet_bytes = mtu;
+ ethernet_set_flags (vnm, sw_if_index, flags);
+ }
+
+ BAD_SW_IF_INDEX_LABEL;
+ REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY);
+}
+
/*
* vpe_api_hookup
diff --git a/vpp-api-test/vat/api_format.c b/vpp-api-test/vat/api_format.c
index e93c89bf076..63928063137 100644
--- a/vpp-api-test/vat/api_format.c
+++ b/vpp-api-test/vat/api_format.c
@@ -3546,7 +3546,8 @@ _(delete_subif_reply) \
_(l2_interface_pbb_tag_rewrite_reply) \
_(punt_reply) \
_(feature_enable_disable_reply) \
-_(sw_interface_tag_add_del_reply)
+_(sw_interface_tag_add_del_reply) \
+_(sw_interface_set_mtu_reply)
#define _(n) \
static void vl_api_##n##_t_handler \
@@ -3787,7 +3788,8 @@ _(IP_FIB_DETAILS, ip_fib_details) \
_(IP6_FIB_DETAILS, ip6_fib_details) \
_(FEATURE_ENABLE_DISABLE_REPLY, feature_enable_disable_reply) \
_(SW_INTERFACE_TAG_ADD_DEL_REPLY, sw_interface_tag_add_del_reply) \
-_(L2_XCONNECT_DETAILS, l2_xconnect_details)
+_(L2_XCONNECT_DETAILS, l2_xconnect_details) \
+_(SW_INTERFACE_SET_MTU_REPLY, sw_interface_set_mtu_reply)
/* M: construct, but don't yet send a message */
@@ -16359,6 +16361,49 @@ api_l2_xconnect_dump (vat_main_t * vam)
}
static int
+api_sw_interface_set_mtu (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ vl_api_sw_interface_set_mtu_t *mp;
+ f64 timeout;
+ u32 sw_if_index = ~0;
+ u32 mtu = 0;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "mtu %d", &mtu))
+ ;
+ if (unformat (i, "%U", unformat_sw_if_index, vam, &sw_if_index))
+ ;
+ else if (unformat (i, "sw_if_index %d", &sw_if_index))
+ ;
+ else
+ break;
+ }
+
+ if (sw_if_index == ~0)
+ {
+ errmsg ("missing interface name or sw_if_index\n");
+ return -99;
+ }
+
+ if (mtu == 0)
+ {
+ errmsg ("no mtu specified\n");
+ return -99;
+ }
+
+ /* Construct the API message */
+ M (SW_INTERFACE_SET_MTU, sw_interface_set_mtu);
+ mp->sw_if_index = ntohl (sw_if_index);
+ mp->mtu = ntohs ((u16) mtu);
+
+ S;
+ W;
+}
+
+
+static int
q_or_quit (vat_main_t * vam)
{
longjmp (vam->jump_buf, 1);
@@ -17031,7 +17076,8 @@ _(feature_enable_disable, "arc_name <arc_name> " \
"feature_name <feature_name> <intfc> | sw_if_index <nn> [disable]") \
_(sw_interface_tag_add_del, "<intfc> | sw_if_index <nn> tag <text>" \
"[disable]") \
-_(l2_xconnect_dump, "")
+_(l2_xconnect_dump, "") \
+_(sw_interface_set_mtu, "<intfc> | sw_if_index <nn> mtu <nn>")
/* List of command functions, CLI names map directly to functions */
#define foreach_cli_function \
diff --git a/vpp/vpp-api/custom_dump.c b/vpp/vpp-api/custom_dump.c
index 691defaaffe..fdea94164b4 100644
--- a/vpp/vpp-api/custom_dump.c
+++ b/vpp/vpp-api/custom_dump.c
@@ -2879,6 +2879,18 @@ static void *vl_api_sw_interface_tag_add_del_t_print
FINISH;
}
+static void *vl_api_sw_interface_set_mtu_t_print
+ (vl_api_sw_interface_set_mtu_t * mp, void *handle)
+{
+ u8 *s;
+
+ s = format (0, "SCRIPT: sw_interface_set_mtu ");
+ s = format (s, "sw_if_index %d ", ntohl (mp->sw_if_index));
+ s = format (s, "tag %d ", ntohs (mp->mtu));
+
+ FINISH;
+}
+
#define foreach_custom_print_no_arg_function \
_(lisp_eid_table_vni_dump) \
_(lisp_map_resolver_dump) \
@@ -3049,7 +3061,8 @@ _(IOAM_DISABLE, ioam_disable) \
_(IP_FIB_DUMP, ip_fib_dump) \
_(IP6_FIB_DUMP, ip6_fib_dump) \
_(FEATURE_ENABLE_DISABLE, feature_enable_disable) \
-_(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del)
+_(SW_INTERFACE_TAG_ADD_DEL, sw_interface_tag_add_del) \
+_(SW_INTERFACE_SET_MTU, sw_interface_set_mtu)
void
vl_msg_api_custom_dump_configure (api_main_t * am)
{