[dpdk-dev] [PATCH v3 03/10] vmxnet3: remove mtu check
Stephen Hemminger
stephen at networkplumber.org
Fri Mar 6 01:10:28 CET 2015
From: Stephen Hemminger <shemming at 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
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