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nvethernet: use maximum transmit buffer size

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1) Removes the limitation of 4KB per descriptor.
2) Adds maximum transmit buffer size as 0x3FFF.
3) Changes descripors threshold considering TSO/GSO.

Bug 200542488

Change-Id: Ic32d5e1e49df48b0da057349f8300d029410d322
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2174519
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Bhadram Varka
2019-08-13 19:54:46 +05:30
committed by Revanth Kumar Uppala
parent 9c4438324c
commit e4f82ebb78
3 changed files with 17 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/nvidia/nvethernet/osd.c
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@@ -311,7 +311,8 @@ void osd_transmit_complete(void *priv, void *buffer, unsigned long dmaaddr,
txq = netdev_get_tx_queue(ndev, qinx);
if (netif_tx_queue_stopped(txq) &&
ether_avail_txdesc_cnt(tx_ring) >= TX_DESC_THRESHOLD) {
(ether_avail_txdesc_cnt(tx_ring) >
ETHER_TX_DESC_THRESHOLD)) {
netif_tx_wake_queue(txq);
netdev_dbg(ndev, "Tx ring[%d] - waking Txq\n", chan);
}