diff options
| author | Renato Westphal <renato@opensourcerouting.org> | 2016-09-22 04:59:57 +0200 |
|---|---|---|
| committer | Donald Sharp <sharpd@cumulusnetworks.com> | 2016-09-23 15:31:25 +0200 |
| commit | fe6c7157bf2babbc552dc45115da586bde1b92e7 (patch) | |
| tree | 3d9792b6a1de0e8c621a4ea7aba1da8b367cf2a7 /zebra/zebra_mpls_netlink.c | |
| parent | *: remove dead code (diff) | |
| download | frr-fe6c7157bf2babbc552dc45115da586bde1b92e7.tar.xz frr-fe6c7157bf2babbc552dc45115da586bde1b92e7.zip | |
zebra: check at startup if the kernel supports MPLS
Replace all HAVE_MPLS #ifdef's by a run-time check if MPLS is supported
by the kernel or not. This way we don't need to create multiple packages
for each OS distribution.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
Diffstat (limited to 'zebra/zebra_mpls_netlink.c')
| -rw-r--r-- | zebra/zebra_mpls_netlink.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/zebra/zebra_mpls_netlink.c b/zebra/zebra_mpls_netlink.c index 4011b90ee..1f894b33c 100644 --- a/zebra/zebra_mpls_netlink.c +++ b/zebra/zebra_mpls_netlink.c @@ -77,4 +77,16 @@ kernel_del_lsp (zebra_lsp_t *lsp) return 0; } -void mpls_kernel_init (void) {}; +int +mpls_kernel_init (void) +{ + struct stat st; + + /* + * Check if the MPLS module is loaded in the kernel. + */ + if (stat ("/proc/sys/net/mpls", &st) != 0) + return -1; + + return 0; +}; |