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Diffstat (limited to 'drivers/net/e1000/igb_rxtx.c')
-rw-r--r--drivers/net/e1000/igb_rxtx.c96
1 files changed, 64 insertions, 32 deletions
diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 4ee12e9e..2f371672 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -1,34 +1,5 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
- * 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 of Intel Corporation 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
- * OWNER 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
*/
#include <sys/queue.h>
@@ -60,7 +31,7 @@
#include <rte_malloc.h>
#include <rte_mbuf.h>
#include <rte_ether.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_prefetch.h>
#include <rte_udp.h>
#include <rte_tcp.h>
@@ -2786,3 +2757,64 @@ igb_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
qinfo->conf.tx_thresh.hthresh = txq->hthresh;
qinfo->conf.tx_thresh.wthresh = txq->wthresh;
}
+
+int
+igb_config_rss_filter(struct rte_eth_dev *dev,
+ struct igb_rte_flow_rss_conf *conf, bool add)
+{
+ uint32_t shift;
+ uint16_t i, j;
+ struct rte_eth_rss_conf rss_conf = conf->rss_conf;
+ struct e1000_filter_info *filter_info =
+ E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+ struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (!add) {
+ if (memcmp(conf, &filter_info->rss_info,
+ sizeof(struct igb_rte_flow_rss_conf)) == 0) {
+ igb_rss_disable(dev);
+ memset(&filter_info->rss_info, 0,
+ sizeof(struct igb_rte_flow_rss_conf));
+ return 0;
+ }
+ return -EINVAL;
+ }
+
+ if (filter_info->rss_info.num)
+ return -EINVAL;
+
+ /* Fill in redirection table. */
+ shift = (hw->mac.type == e1000_82575) ? 6 : 0;
+ for (i = 0, j = 0; i < 128; i++, j++) {
+ union e1000_reta {
+ uint32_t dword;
+ uint8_t bytes[4];
+ } reta;
+ uint8_t q_idx;
+
+ q_idx = conf->queue[j];
+ if (j == conf->num)
+ j = 0;
+ reta.bytes[i & 3] = (uint8_t)(q_idx << shift);
+ if ((i & 3) == 3)
+ E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta.dword);
+ }
+
+ /* Configure the RSS key and the RSS protocols used to compute
+ * the RSS hash of input packets.
+ */
+ if ((rss_conf.rss_hf & IGB_RSS_OFFLOAD_ALL) == 0) {
+ igb_rss_disable(dev);
+ return 0;
+ }
+ if (rss_conf.rss_key == NULL)
+ rss_conf.rss_key = rss_intel_key; /* Default hash key */
+ igb_hw_rss_hash_set(hw, &rss_conf);
+
+ rte_memcpy(&filter_info->rss_info,
+ conf, sizeof(struct igb_rte_flow_rss_conf));
+
+ return 0;
+}