/
0002-qdma-search-for-requested-wrthresh-2-so-that-request.patch
47 lines (45 loc) · 2.28 KB
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0002-qdma-search-for-requested-wrthresh-2-so-that-request.patch
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# BSD License
#
# OpenNIC patch for Xilinx DMA IP software
#
# Copyright (c) 2016-2022 Xilinx, Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name Xilinx nor the names of its contributors may be used to
# endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#----------------------------------------------------------------------------------
# Modified the RX threshold.
diff --git a/QDMA/DPDK/drivers/net/qdma/qdma_devops.c b/QDMA/DPDK/drivers/net/qdma/qdma_devops.c
index ed8f6c9..12b1953 100644
--- a/QDMA/DPDK/drivers/net/qdma/qdma_devops.c
+++ b/QDMA/DPDK/drivers/net/qdma/qdma_devops.c
@@ -486,7 +486,7 @@ int qdma_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
/* Find Threshold index */
rxq->threshidx = index_of_array(qdma_dev->g_c2h_cnt_th,
QDMA_NUM_C2H_COUNTERS,
- rx_conf->rx_thresh.wthresh);
+ rx_conf->rx_thresh.wthresh + 2);
if (rxq->threshidx < 0) {
PMD_DRV_LOG(WARNING, "Expected Threshold %d not found,"
" using the value %d at index 7\n",