New upstream version 17.05.1

[deb_dpdk.git] / drivers / net / liquidio / lio_ethdev.c

diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index 436d25b..c7f1fb6 100644 (file)
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -36,6 +36,7 @@
 #include <rte_cycles.h>
 #include <rte_malloc.h>
 #include <rte_alarm.h>
+#include <rte_ether.h>
 
 #include "lio_logs.h"
 #include "lio_23xx_vf.h"
@@ -1348,7 +1349,8 @@ lio_sync_link_state_check(void *eth_dev)
 static int
 lio_dev_start(struct rte_eth_dev *eth_dev)
 {
-       uint16_t mtu = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
+       uint16_t mtu;
+       uint32_t frame_len = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
        struct lio_device *lio_dev = LIO_DEV(eth_dev);
        uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
        int ret = 0;
@@ -1386,12 +1388,29 @@ lio_dev_start(struct rte_eth_dev *eth_dev)
                goto dev_mtu_check_error;
        }
 
+       if (eth_dev->data->dev_conf.rxmode.jumbo_frame == 1) {
+               if (frame_len <= ETHER_MAX_LEN ||
+                   frame_len > LIO_MAX_RX_PKTLEN) {
+                       lio_dev_err(lio_dev, "max packet length should be >= %d and < %d when jumbo frame is enabled\n",
+                                   ETHER_MAX_LEN, LIO_MAX_RX_PKTLEN);
+                       ret = -EINVAL;
+                       goto dev_mtu_check_error;
+               }
+               mtu = (uint16_t)(frame_len - ETHER_HDR_LEN - ETHER_CRC_LEN);
+       } else {
+               /* default MTU */
+               mtu = ETHER_MTU;
+               eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = ETHER_MAX_LEN;
+       }
+
        if (lio_dev->linfo.link.s.mtu != mtu) {
                ret = lio_dev_validate_vf_mtu(eth_dev, mtu);
                if (ret)
                        goto dev_mtu_check_error;
        }
 
+       eth_dev->data->mtu = mtu;
+
        return 0;
 
 dev_mtu_check_error:
@@ -2055,4 +2074,4 @@ static struct rte_pci_driver rte_liovf_pmd = {
 
 RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
-RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");
+RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio-pci");