DPDK: Set MTU of bonded interfaces as one of the slave's MTU in rte_e…

…th_dev structure Change-Id: I2a8c084b8f434bf2ad255bbea0784f6fff78a253 Closes-Bug: 1579243
Juniper · May 6, 2016 · fc830f2 · fc830f2
1 parent c5cbb52
commit fc830f2
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 0 deletions.
diff --git a/dpdk/vr_dpdk_ethdev.c b/dpdk/vr_dpdk_ethdev.c
@@ -583,6 +583,7 @@ dpdk_ethdev_bond_info_update(struct vr_dpdk_ethdev *ethdev)
 {
     int i, slave_port_id;
     int port_id = ethdev->ethdev_port_id;
+    uint16_t mtu = 0;
     struct rte_pci_addr *pci_addr;
     struct ether_addr bond_mac, mac_addr;
     struct ether_addr lacp_mac = { .addr_bytes = {0x01, 0x80, 0xc2, 0, 0, 0x02} };
@@ -601,6 +602,10 @@ dpdk_ethdev_bond_info_update(struct vr_dpdk_ethdev *ethdev)
         /* log out and configure bond members */
         for (i = 0; i < ethdev->ethdev_nb_slaves; i++) {
             slave_port_id = ethdev->ethdev_slaves[i];
+            if (!rte_eth_devices[port_id].data->mtu) {
+                rte_eth_dev_get_mtu(slave_port_id, &mtu);
+                rte_eth_devices[port_id].data->mtu = mtu;
+            }
             memset(&mac_addr, 0, sizeof(mac_addr));
             rte_eth_macaddr_get(slave_port_id, &mac_addr);
             pci_addr = &rte_eth_devices[slave_port_id].pci_dev->addr;

diff --git a/dpdk/vr_dpdk_knidev.c b/dpdk/vr_dpdk_knidev.c
@@ -474,6 +474,7 @@ dpdk_knidev_change_mtu(uint8_t port_id, unsigned new_mtu)
         RTE_LOG(INFO, VROUTER, "Changing bond eth device %" PRIu8 " MTU\n",
                 ethdev->ethdev_port_id);
 
+        rte_eth_devices[ethdev->ethdev_port_id].data->mtu = new_mtu;
         for (i = 0; i < ethdev->ethdev_nb_slaves; i++) {
             slave_port_id = ethdev->ethdev_slaves[i];
             RTE_LOG(INFO, VROUTER,