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authorXavier Simonart <xavier.simonart@intel.com>2019-10-13 00:18:14 +0200
committerXavier Simonart <xavier.simonart@intel.com>2019-10-13 00:18:14 +0200
commitecc8a753c956909445b75448fb33e86bab764101 (patch)
tree3cddcc57c2e9c309c8a495885bae35ee900ebb62
parentb9af66b18bf298f292c62339b0ca41595a3e6b56 (diff)
Disable TX checksum offload in some virtio cases
Some OVS versions reports that they support UDP offload and no IPv4 offload, but fails when UDP offload is enabled. Hence, now, when virtio reports that it supports UDP checksum and no IPV4 checksum offload, we disable UDP checksum offload. Change-Id: I4f22f6be4d97b0aedf267ebeaa498c0dacef3317 Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
-rw-r--r--VNFs/DPPD-PROX/prox_port_cfg.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/VNFs/DPPD-PROX/prox_port_cfg.c b/VNFs/DPPD-PROX/prox_port_cfg.c
index a0530c4..a28e454 100644
--- a/VNFs/DPPD-PROX/prox_port_cfg.c
+++ b/VNFs/DPPD-PROX/prox_port_cfg.c
@@ -276,6 +276,13 @@ void init_rte_dev(int use_dummy_devices)
plog_info("\t\tDisabling UDP cksum on vmxnet3\n");
port_cfg->disabled_tx_offload |= DEV_TX_OFFLOAD_UDP_CKSUM;
}
+ // Some OVS versions reports that they support UDP offload and no IPv4 offload, but fails when UDP offload is enabled
+ if ((!strcmp(port_cfg->short_name, "virtio")) &&
+ ((port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM) == 0) &&
+ (port_cfg->dev_info.tx_offload_capa & DEV_TX_OFFLOAD_UDP_CKSUM)) {
+ plog_info("\t\tDisabling UDP cksum on virtio\n");
+ port_cfg->disabled_tx_offload |= DEV_TX_OFFLOAD_UDP_CKSUM;
+ }
}
}