diff options
Diffstat (limited to 'src/vnet/interface_api.c')
| -rw-r--r-- | src/vnet/interface_api.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/src/vnet/interface_api.c b/src/vnet/interface_api.c index 116ee63bdba..8d982e36b73 100644 --- a/src/vnet/interface_api.c +++ b/src/vnet/interface_api.c @@ -102,11 +102,40 @@ vl_api_sw_interface_set_mtu_t_handler (vl_api_sw_interface_set_mtu_t * mp) vnet_main_t *vnm = vnet_get_main (); u32 sw_if_index = ntohl (mp->sw_if_index); u16 mtu = ntohs (mp->mtu); + ethernet_main_t *em = ðernet_main; int rv = 0; VALIDATE_SW_IF_INDEX (mp); - rv = vnet_sw_interface_set_mtu (vnm, sw_if_index, mtu); + vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index); + if (si->type != VNET_SW_INTERFACE_TYPE_HARDWARE) + { + rv = VNET_API_ERROR_INVALID_VALUE; + goto bad_sw_if_index; + } + + vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, si->hw_if_index); + ethernet_interface_t *eif = ethernet_get_interface (em, si->hw_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; + } + + vnet_hw_interface_set_mtu (vnm, si->hw_if_index, mtu); BAD_SW_IF_INDEX_LABEL; REPLY_MACRO (VL_API_SW_INTERFACE_SET_MTU_REPLY); @@ -132,7 +161,7 @@ send_sw_interface_details (vpe_api_main_t * am, VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT); mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >> VNET_HW_INTERFACE_FLAG_SPEED_SHIFT); - mp->mtu = ntohs (swif->max_l3_packet_bytes[VLIB_TX]); + mp->link_mtu = ntohs (hi->max_packet_bytes); mp->context = context; strncpy ((char *) mp->interface_name, |