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pimd: Give a clearer warning when the kernel is not compiled right

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When the kernel is not compiled with mroute vrf's enabled it will
fail the call to initialize the vrf.  As such let's recognize this
specific error code and output a specific warning to the operator
to help them figure this problem out.

Signed-off-by: Donald Sharp <sharpd@nvidia.com>
This commit is contained in:
Donald Sharp 2024-05-30 15:48:33 -04:00
parent cdc964c233
commit 5ef144ce6d
1 changed files with 8 additions and 4 deletions
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12
pimd/pim_mroute.c
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@ -56,10 +56,14 @@ int pim_mroute_set(struct pim_instance *pim, int enable)
err = setsockopt(pim->mroute_socket, PIM_IPPROTO,
MRT_TABLE, &data, data_len);
if (err) {
zlog_warn(
"%s %s: failure: setsockopt(fd=%d,PIM_IPPROTO, MRT_TABLE=%d): errno=%d: %s",
__FILE__, __func__, pim->mroute_socket,
data, errno, safe_strerror(errno));
if (err == ENOPROTOOPT)
zlog_err("%s Kernel is not compiled with CONFIG_IP_MROUTE_MULTIPLE_TABLES and vrf's will not work",
__func__);
else
zlog_warn("%s %s: failure: setsockopt(fd=%d,PIM_IPPROTO, MRT_TABLE=%d): errno=%d: %s",
__FILE__, __func__,
pim->mroute_socket, data,
errno, safe_strerror(errno));
return -1;
}
}