X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Ftap%2Ftap_flow.h;h=ac6a952d372c5a933b5e44740a5daacc99a2968f;hb=acfe2bd440b4e059d871f8ee71abb708c10b8ee8;hp=377a9f7b758a0d2f5f56b2e6f0331a0026b354e4;hpb=268483dc208686373698423e764b77bf53e181a1;p=dpdk.git diff --git a/drivers/net/tap/tap_flow.h b/drivers/net/tap/tap_flow.h index 377a9f7b75..ac6a952d37 100644 --- a/drivers/net/tap/tap_flow.h +++ b/drivers/net/tap/tap_flow.h @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright 2017 6WIND S.A. - * Copyright 2017 Mellanox. - * - * 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 6WIND S.A. 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 2017 6WIND S.A. + * Copyright 2017 Mellanox. */ #ifndef _TAP_FLOW_H_ @@ -36,6 +8,43 @@ #include #include +#include +#include + +/** + * In TC, priority 0 means we require the kernel to allocate one for us. + * In rte_flow, however, we want the priority 0 to be the most important one. + * Use an offset to have the most important priority being 1 in TC. + */ +#define PRIORITY_OFFSET 1 +#define PRIORITY_MASK (0xfff) +#define MAX_PRIORITY (PRIORITY_MASK - PRIORITY_OFFSET) +#define GROUP_MASK (0xf) +#define GROUP_SHIFT 12 +#define MAX_GROUP GROUP_MASK +#define RSS_PRIORITY_OFFSET RTE_PMD_TAP_MAX_QUEUES + +/** + * These index are actually in reversed order: their priority is processed + * by subtracting their value to the lowest priority (PRIORITY_MASK). + * Thus the first one will have the lowest priority in the end + * (but biggest value). + */ +enum implicit_rule_index { + TAP_REMOTE_TX, + TAP_ISOLATE, + TAP_REMOTE_BROADCASTV6, + TAP_REMOTE_BROADCAST, + TAP_REMOTE_ALLMULTI, + TAP_REMOTE_PROMISC, + TAP_REMOTE_LOCAL_MAC, + TAP_REMOTE_MAX_IDX, +}; + +enum bpf_fd_idx { + SEC_L3_L4, + SEC_MAX, +}; int tap_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, @@ -43,4 +52,17 @@ int tap_dev_filter_ctrl(struct rte_eth_dev *dev, void *arg); int tap_flow_flush(struct rte_eth_dev *dev, struct rte_flow_error *error); +int tap_flow_implicit_create(struct pmd_internals *pmd, + enum implicit_rule_index idx); +int tap_flow_implicit_destroy(struct pmd_internals *pmd, + enum implicit_rule_index idx); +int tap_flow_implicit_flush(struct pmd_internals *pmd, + struct rte_flow_error *error); + +int tap_flow_bpf_cls_q(__u32 queue_idx); +int tap_flow_bpf_calc_l3_l4_hash(__u32 key_idx, int map_fd); +int tap_flow_bpf_rss_map_create(unsigned int key_size, unsigned int value_size, + unsigned int max_entries); +int tap_flow_bpf_update_rss_elem(int fd, void *key, void *value); + #endif /* _TAP_FLOW_H_ */