tests: remove tcp_l3mdev_accept setting

This is not necessary anymore with fixed `vrf_bind`.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>

1 files changed, 0 insertions, 48 deletions

diff --git a/tests/topotests/lib/common_config.py b/tests/topotests/lib/common_config.py
index 5a904423c2..ee7cd6a7af 100644
--- a/tests/topotests/lib/common_config.py
+++ b/tests/topotests/lib/common_config.py
@@ -4487,51 +4487,3 @@ def verify_ip_nht(tgen, input_dict):
 
     logger.debug("Exiting lib API: verify_ip_nht()")
     return False
-
-
-def kernel_requires_l3mdev_adjustment():
-    """
-    Checks if the L3 master device needs to be adjusted to handle VRF traffic
-    based on kernel version.
-
-    Returns
-    -------
-    1 or 0
-    """
-
-    if version_cmp(platform.release(), "4.15") >= 0:
-        return 1
-    return 0
-
-
-def adjust_router_l3mdev(tgen, router):
-    """
-    Adjusts a routers L3 master device to handle VRF traffic depending on kernel
-    version.
-
-    Parameters
-    ----------
-    * `tgen`   : tgen object
-    * `router` : router id to be configured.
-
-    Returns
-    -------
-    True
-    """
-
-    l3mdev_accept = kernel_requires_l3mdev_adjustment()
-
-    logger.info(
-        "router {0}: setting net.ipv4.tcp_l3mdev_accept={1}".format(
-            router, l3mdev_accept
-        )
-    )
-
-    output = tgen.net[router].cmd("sysctl -n net.ipv4.tcp_l3mdev_accept")
-    logger.info("router {0}: existing tcp_l3mdev_accept was {1}".format(router, output))
-
-    tgen.net[router].cmd(
-        "sysctl -w net.ipv4.tcp_l3mdev_accept={}".format(l3mdev_accept)
-    )
-
-    return True