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author | 2017-05-16 14:51:32 +0200 | |
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committer | 2017-05-16 14:51:32 +0200 | |
commit | fca143f059a0bddd7d47b8dc2df646a891b0eb0f (patch) | |
tree | 4bfeadc905c977e45e54a90c42330553b8942e4e /drivers/net/tap/tap_flow.h | |
parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) |
Imported Upstream version 17.05
Diffstat (limited to 'drivers/net/tap/tap_flow.h')
-rw-r--r-- | drivers/net/tap/tap_flow.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/tap/tap_flow.h b/drivers/net/tap/tap_flow.h new file mode 100644 index 00000000..94414f18 --- /dev/null +++ b/drivers/net/tap/tap_flow.h @@ -0,0 +1,82 @@ +/*- + * 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. + */ + +#ifndef _TAP_FLOW_H_ +#define _TAP_FLOW_H_ + +#include <rte_flow.h> +#include <rte_flow_driver.h> +#include <rte_eth_tap.h> + +/** + * 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 + +/** + * 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_REMOTE_BROADCASTV6, + TAP_REMOTE_BROADCAST, + TAP_REMOTE_ALLMULTI, + TAP_REMOTE_PROMISC, + TAP_REMOTE_LOCAL_MAC, + TAP_REMOTE_MAX_IDX, +}; + +int tap_dev_filter_ctrl(struct rte_eth_dev *dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + 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); + +#endif /* _TAP_FLOW_H_ */ |