diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_rxtx.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_rxtx.c | 102 |
1 files changed, 69 insertions, 33 deletions
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c index 9bc84624..6c582b4b 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/ixgbe/ixgbe_rxtx.c @@ -1,35 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. - * Copyright 2014 6WIND S.A. - * 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. + * Copyright 2014 6WIND S.A. */ #include <sys/queue.h> @@ -62,7 +33,7 @@ #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> @@ -5550,6 +5521,71 @@ ixgbevf_dev_rxtx_start(struct rte_eth_dev *dev) } } +int +ixgbe_config_rss_filter(struct rte_eth_dev *dev, + struct ixgbe_rte_flow_rss_conf *conf, bool add) +{ + struct ixgbe_hw *hw; + uint32_t reta; + uint16_t i; + uint16_t j; + uint16_t sp_reta_size; + uint32_t reta_reg; + struct rte_eth_rss_conf rss_conf = conf->rss_conf; + struct ixgbe_filter_info *filter_info = + IXGBE_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private); + + PMD_INIT_FUNC_TRACE(); + hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + sp_reta_size = ixgbe_reta_size_get(hw->mac.type); + + if (!add) { + if (memcmp(conf, &filter_info->rss_info, + sizeof(struct ixgbe_rte_flow_rss_conf)) == 0) { + ixgbe_rss_disable(dev); + memset(&filter_info->rss_info, 0, + sizeof(struct ixgbe_rte_flow_rss_conf)); + return 0; + } + return -EINVAL; + } + + if (filter_info->rss_info.num) + return -EINVAL; + /* Fill in redirection table + * The byte-swap is needed because NIC registers are in + * little-endian order. + */ + reta = 0; + for (i = 0, j = 0; i < sp_reta_size; i++, j++) { + reta_reg = ixgbe_reta_reg_get(hw->mac.type, i); + + if (j == conf->num) + j = 0; + reta = (reta << 8) | conf->queue[j]; + if ((i & 3) == 3) + IXGBE_WRITE_REG(hw, reta_reg, + rte_bswap32(reta)); + } + + /* Configure the RSS key and the RSS protocols used to compute + * the RSS hash of input packets. + */ + if ((rss_conf.rss_hf & IXGBE_RSS_OFFLOAD_ALL) == 0) { + ixgbe_rss_disable(dev); + return -EINVAL; + } + if (rss_conf.rss_key == NULL) + rss_conf.rss_key = rss_intel_key; /* Default hash key */ + ixgbe_hw_rss_hash_set(hw, &rss_conf); + + rte_memcpy(&filter_info->rss_info, + conf, sizeof(struct ixgbe_rte_flow_rss_conf)); + + return 0; +} + /* Stubs needed for linkage when CONFIG_RTE_IXGBE_INC_VECTOR is set to 'n' */ int __attribute__((weak)) ixgbe_rx_vec_dev_conf_condition_check(struct rte_eth_dev __rte_unused *dev) |