835c8d87c6
Change-Id: I196832c62a6109178cb234f000d3db7c481e0ef5 Signed-off-by: Arnav Sharma <arnav_s@codeaurora.org>
95 行
3.2 KiB
C
95 行
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _IPA_DEFS_H_
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#define _IPA_DEFS_H_
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#include <linux/ipa.h>
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/**
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* struct ipa_rt_rule_i - attributes of a routing rule
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* @dst: dst "client"
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* @hdr_hdl: handle to the dynamic header
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it is not an index or an offset
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* @hdr_proc_ctx_hdl: handle to header processing context. if it is provided
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hdr_hdl shall be 0
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* @attrib: attributes of the rule
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* @max_prio: bool switch. is this rule with Max priority? meaning on rule hit,
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* IPA will use the rule and will not look for other rules that may have
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* higher priority
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* @hashable: bool switch. is this rule hashable or not?
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* ipa uses hashable rules to cache their hit results to be used in
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* consecutive packets
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* @retain_hdr: bool switch to instruct IPA core to add back to the packet
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* the header removed as part of header removal
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* @coalesce: bool to decide whether packets should be coalesced or not
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* @enable_stats: is true when we want to enable stats for this
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* rt rule.
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* @cnt_idx: if enable_stats is 1 and cnt_idx is 0, then cnt_idx
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* will be assigned by ipa driver.
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*/
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struct ipa_rt_rule_i {
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enum ipa_client_type dst;
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u32 hdr_hdl;
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u32 hdr_proc_ctx_hdl;
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struct ipa_rule_attrib attrib;
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u8 max_prio;
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u8 hashable;
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u8 retain_hdr;
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u8 coalesce;
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u8 enable_stats;
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u8 cnt_idx;
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};
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/**
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* struct ipa_flt_rule_i - attributes of a filtering rule
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* @retain_hdr: bool switch to instruct IPA core to add back to the packet
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* the header removed as part of header removal
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* @to_uc: bool switch to pass packet to micro-controller
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* @action: action field
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* @rt_tbl_hdl: handle of table from "get"
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* @attrib: attributes of the rule
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* @eq_attrib: attributes of the rule in equation form (valid when
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* eq_attrib_type is true)
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* @rt_tbl_idx: index of RT table referred to by filter rule (valid when
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* eq_attrib_type is true and non-exception action)
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* @eq_attrib_type: true if equation level form used to specify attributes
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* @max_prio: bool switch. is this rule with Max priority? meaning on rule hit,
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* IPA will use the rule and will not look for other rules that may have
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* higher priority
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* @hashable: bool switch. is this rule hashable or not?
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* ipa uses hashable rules to cache their hit results to be used in
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* consecutive packets
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* @rule_id: rule_id to be assigned to the filter rule. In case client specifies
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* rule_id as 0 the driver will assign a new rule_id
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* @set_metadata: bool switch. should metadata replacement at the NAT block
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* take place?
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* @pdn_idx: if action is "pass to source\destination NAT" then a comparison
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* against the PDN index in the matching PDN entry will take place as an
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* additional condition for NAT hit.
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* @enable_stats: is true when we want to enable stats for this
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* flt rule.
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* @cnt_idx: if 0 means disable, otherwise use for index.
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* will be assigned by ipa driver.
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*/
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struct ipa_flt_rule_i {
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u8 retain_hdr;
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u8 to_uc;
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enum ipa_flt_action action;
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u32 rt_tbl_hdl;
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struct ipa_rule_attrib attrib;
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struct ipa_ipfltri_rule_eq eq_attrib;
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u32 rt_tbl_idx;
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u8 eq_attrib_type;
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u8 max_prio;
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u8 hashable;
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u16 rule_id;
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u8 set_metadata;
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u8 pdn_idx;
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u8 enable_stats;
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u8 cnt_idx;
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};
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#endif /* _IPA_DEFS_H_ */
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