ipng/lcpng
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Roll back carrier set

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-- it works fine for phy's that are carrier-up, but crashes if they are
   carrier-down.

0: /home/pim/src/vpp/src/vnet/interface_funcs.h:46 (vnet_get_hw_interface) assertion `! pool_is_free (vnm->interface_main.hw_interfaces, _e)' fails

    at /home/pim/src/vpp/src/vppinfra/error.c:143
    ns=0x7fff98774e80 "dataplane", host_sw_if_indexp=0x0) at /home/pim/src/vpp/src/plugins/lcpng/lcpng_interface.c:998
    at /home/pim/src/vpp/src/plugins/lcpng/lcpng_if_cli.c:96
    parent_command_index=371) at /home/pim/src/vpp/src/vlib/cli.c:591
    parent_command_index=0) at /home/pim/src/vpp/src/vlib/cli.c:548
    at /home/pim/src/vpp/src/vlib/cli.c:694
This commit is contained in:
Pim van Pelt
2021-12-24 21:12:24 +00:00
parent ddd3ad372a
commit ccd4b393e9
1 changed files with 5 additions and 3 deletions
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8
lcpng_interface.c
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@ -993,10 +993,12 @@ lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name,
else
vnet_sw_interface_set_mtu (vnm, args.sw_if_index, ETHERNET_MAX_PACKET_BYTES);
/* Initialize the TAP carrier based on the (hardware) phy
/* TODO(pim) - figure out why we cannot initalize the carrier. Ideally, once
* the first TAP is created, we copy forward the link-carrier from the hardware.
* However, this provokes a crash on interfaces which are carrier down.
*
* tap_set_carrier (args.sw_if_index, (hw->flags & VNET_HW_INTERFACE_FLAG_LINK_UP));
*/
if (hw->flags & VNET_HW_INTERFACE_FLAG_LINK_UP)
tap_set_carrier (args.sw_if_index, 1);
/*
* get the hw and ethernet of the tap