[dpdk-dev] [PATCH v3 03/10] vmxnet3: remove mtu check

[Stephen Hemminger]

From: Stephen Hemminger <shemm...@brocade.com>

Remove check for packets greater than MTU. No other driver does
this, it should be handled at higher layer

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
Acked-by: Yong Wang <yongwang at vmware.com>
---
 lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c |  2 --
 lib/librte_pmd_vmxnet3/vmxnet3_ethdev.h |  1 -
 lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c   | 10 ----------
 3 files changed, 13 deletions(-)

diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c 
b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
index f4c2f12..35bb561 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.c
@@ -246,7 +246,6 @@ eth_vmxnet3_dev_init(__attribute__((unused)) struct 
eth_driver *eth_drv,

        hw->num_rx_queues = 1;
        hw->num_tx_queues = 1;
-       hw->cur_mtu = ETHER_MTU;
        hw->bufs_per_pkt = 1;

        /* Check h/w version compatibility with driver. */
@@ -422,7 +421,6 @@ vmxnet3_setup_driver_shared(struct rte_eth_dev *dev)
        devRead->misc.mtu = rte_le_to_cpu_32(dev->data->mtu);
        devRead->misc.queueDescPA  = hw->queueDescPA;
        devRead->misc.queueDescLen = hw->queue_desc_len;
-       devRead->misc.mtu          = hw->cur_mtu;
        devRead->misc.numTxQueues  = hw->num_tx_queues;
        devRead->misc.numRxQueues  = hw->num_rx_queues;

diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.h 
b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.h
index e9d67a7..83182e2 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.h
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_ethdev.h
@@ -107,7 +107,6 @@ struct vmxnet3_hw {
        uint8_t num_tx_queues;
        uint8_t num_rx_queues;
        uint8_t bufs_per_pkt;
-       uint16_t cur_mtu;

        Vmxnet3_TxQueueDesc   *tqd_start;       /* start address of all tx 
queue desc */
        Vmxnet3_RxQueueDesc   *rqd_start;       /* start address of all rx 
queue desc */
diff --git a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c 
b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c
index 5fe3de5..38ac811 100644
--- a/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c
+++ b/lib/librte_pmd_vmxnet3/vmxnet3_rxtx.c
@@ -369,16 +369,6 @@ vmxnet3_xmit_pkts(void *tx_queue, struct rte_mbuf 
**tx_pkts,
                                continue;
                        }

-                       /* Needs to minus ether header len */
-                       if (txm->data_len > (hw->cur_mtu + ETHER_HDR_LEN)) {
-                               PMD_TX_LOG(DEBUG, "Packet data_len higher than 
MTU");
-                               rte_pktmbuf_free(tx_pkts[nb_tx]);
-                               txq->stats.drop_total++;
-
-                               nb_tx++;
-                               continue;
-                       }
-
                        txd = (Vmxnet3_TxDesc *)(txq->cmd_ring.base + 
txq->cmd_ring.next2fill);
                        if (rte_pktmbuf_pkt_len(txm) <= VMXNET3_HDR_COPY_SIZE) {
                                struct Vmxnet3_TxDataDesc *tdd;
-- 
2.1.4