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authorOle Troan <ot@cisco.com>2018-03-27 14:48:39 +0200
committerNeale Ranns <nranns@cisco.com>2018-04-13 13:27:44 +0000
commit70083ee74c3141bbefb185525315f1b34497dcaa (patch)
tree2b93f23b853239152864ad5ee0db073d37c341ea /src/plugins/dpdk
parent25b049484fcf9161edb2c19250066b893c38c264 (diff)
MTU: Setting of MTU on software interface (instead of hardware interface)
Change-Id: I98bd454a761a1032738a21edeb0fe847e801f901 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/dpdk')
-rwxr-xr-xsrc/plugins/dpdk/device/init.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 76d122d37d5..ac20edca303 100755
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -696,12 +696,9 @@ dpdk_lib_init (dpdk_main_t * dm)
clib_warning ("VLAN strip cannot be supported by interface\n");
}
- if (hi)
- hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
- xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
- else
- clib_warning ("hi NULL");
-
+ vnet_sw_interface_set_mtu (dm->vnet_main, sw->sw_if_index,
+ xd->port_conf.rxmode.max_rx_pkt_len -
+ sizeof (ethernet_header_t));
rte_eth_dev_set_mtu (xd->device_index, mtu);
}
@@ -1530,9 +1527,10 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
/* Init l3 packet size allowed on bonded interface */
bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
- bhi->max_l3_packet_bytes[VLIB_RX] =
- bhi->max_l3_packet_bytes[VLIB_TX] =
- ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
+ vnet_sw_interface_set_mtu (vnm, bhi->sw_if_index,
+ ETHERNET_MAX_PACKET_BYTES -
+ sizeof (ethernet_header_t));
+
while (nlink >= 1)
{ /* for all slave links */
int slave = slink[--nlink];
@@ -1570,11 +1568,13 @@ dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
clib_memcpy (shi->hw_address, addr, 6);
clib_memcpy (sei->address, addr, 6);
/* Set l3 packet size allowed as the lowest of slave */
- if (bhi->max_l3_packet_bytes[VLIB_RX] >
- shi->max_l3_packet_bytes[VLIB_RX])
- bhi->max_l3_packet_bytes[VLIB_RX] =
- bhi->max_l3_packet_bytes[VLIB_TX] =
- shi->max_l3_packet_bytes[VLIB_RX];
+ vnet_sw_interface_t *bsi =
+ vnet_get_sw_interface (vnm, bhi->sw_if_index);
+ if (bsi->max_l3_packet_bytes[VLIB_RX] >
+ ssi->max_l3_packet_bytes[VLIB_RX])
+ bsi->max_l3_packet_bytes[VLIB_RX] =
+ bsi->max_l3_packet_bytes[VLIB_TX] =
+ ssi->max_l3_packet_bytes[VLIB_RX];
/* Set max packet size allowed as the lowest of slave */
if (bhi->max_packet_bytes > shi->max_packet_bytes)
bhi->max_packet_bytes = shi->max_packet_bytes;