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authorDamjan Marion <damarion@cisco.com>2018-04-13 19:43:39 +0200
committerDamjan Marion <damarion@cisco.com>2018-04-13 19:45:57 +0200
commitfe7d4a2e31529eed5416b38b520fdc84687df03c (patch)
treedd3e603fc305d486840f844d919c87f5d0b4b101 /src/vnet/ipip
parentbca9290056b1ee206a05c13bbb46b1b40a8bd804 (diff)
Revert "MTU: Setting of MTU on software interface (instead of hardware interface)"
This reverts commit 70083ee74c3141bbefb185525315f1b34497dcaa. Reverting as this patch is causing following crash: 0: /home/damarion/cisco/vpp3/build-data/../src/vnet/devices/devices.h:131 (vnet_get_device_input_thread_index) assertion `queue_id < vec_len (hw->input_node_thread_index_by_queue)' fails Aborted Change-Id: Ie2a365032110b1f67be7a9d832885b9899813d39 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/ipip')
-rw-r--r--src/vnet/ipip/ipip.c7
-rw-r--r--src/vnet/ipip/sixrd.c3
2 files changed, 5 insertions, 5 deletions
diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c
index 9b808d4ac0f..82c961cdddd 100644
--- a/src/vnet/ipip/ipip.c
+++ b/src/vnet/ipip/ipip.c
@@ -476,16 +476,17 @@ ipip_add_tunnel (ipip_transport_t transport,
{
vec_validate (im4->fib_index_by_sw_if_index, sw_if_index);
hi->min_packet_bytes = 64 + sizeof (ip4_header_t);
- hi->max_packet_bytes = 65536 - sizeof (ip4_header_t);
}
else
{
vec_validate (im6->fib_index_by_sw_if_index, sw_if_index);
hi->min_packet_bytes = 64 + sizeof (ip6_header_t);
- hi->max_packet_bytes = 65536 - sizeof (ip6_header_t);
}
- vnet_sw_interface_set_mtu (vnm, sw_if_index, hi->max_packet_bytes);
+ hi->per_packet_overhead_bytes = /* preamble */ 8 + /* inter frame gap */ 12;
+
+ /* Standard default ipip MTU. */
+ hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 9000;
t->tunnel_src = *src;
t->tunnel_dst = *dst;
diff --git a/src/vnet/ipip/sixrd.c b/src/vnet/ipip/sixrd.c
index 998025782fb..cfdd0f87e3a 100644
--- a/src/vnet/ipip/sixrd.c
+++ b/src/vnet/ipip/sixrd.c
@@ -337,8 +337,7 @@ sixrd_add_tunnel (ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
t->dev_instance = t_idx;
t->user_instance = t_idx;
- /* Set default MTU to 1480 */
- vnet_sw_interface_set_mtu (vnet_get_main (), t->sw_if_index, 1480);
+ hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 1480;
ipip_tunnel_db_add (t, &key);