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qualcommax: net: QCA NSS qdisc ifb support
Signed-off-by: bitthief <bitthief@protonmail.ch>
This commit is contained in:
bitthief
Sean Khan
parent
dde77826a7
commit
a6af12c8fd
@ -0,0 +1,95 @@
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/*
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**************************************************************************
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* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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**************************************************************************
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*/
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/* DSCP remark conntrack extension APIs. */
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#ifndef _NF_CONNTRACK_DSCPREMARK_H
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#define _NF_CONNTRACK_DSCPREMARK_H
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#include <net/netfilter/nf_conntrack.h>
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#include <net/netfilter/nf_conntrack_extend.h>
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/* Rule flags */
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#define NF_CT_DSCPREMARK_EXT_DSCP_RULE_VALID 0x1
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/* Rule validity */
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#define NF_CT_DSCPREMARK_EXT_RULE_VALID 0x1
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#define NF_CT_DSCPREMARK_EXT_RULE_NOT_VALID 0x0
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/* Which QoS features are set flags */
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#define NF_CT_DSCPREMARK_EXT_PRIO 0x1
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#define NF_CT_DSCPREMARK_EXT_DSCP 0x2
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#define NF_CT_DSCPREMARK_EXT_IGS_QOS 0x4
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#define NF_CT_DSCPREMARK_EXT_MARK 0x8
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/*
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* DSCP remark conntrack extension structure.
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*/
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struct nf_ct_dscpremark_ext {
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__u32 flow_priority; /* Original direction packet priority */
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__u32 reply_priority; /* Reply direction packet priority */
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__u32 flow_mark; /* Original direction packet mark */
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__u32 reply_mark; /* Reply direction packet mark */
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__u16 igs_flow_qos_tag; /* Original direction ingress packet priority */
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__u16 igs_reply_qos_tag; /* Reply direction ingress packet priority */
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__u8 flow_dscp; /* IP DSCP value for original direction */
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__u8 reply_dscp; /* IP DSCP value for reply direction */
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__u16 rule_flags; /* Rule Validity flags */
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__u16 flow_set_flags; /* Original direction set flags */
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__u16 return_set_flags; /* Reply direction set flags */
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};
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/*
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* nf_ct_dscpremark_ext_find()
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* Finds the extension data of the conntrack entry if it exists.
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*/
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static inline struct nf_ct_dscpremark_ext *
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nf_ct_dscpremark_ext_find(const struct nf_conn *ct)
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{
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#ifdef CONFIG_NF_CONNTRACK_DSCPREMARK_EXT
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return nf_ct_ext_find(ct, NF_CT_EXT_DSCPREMARK);
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#else
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return NULL;
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#endif
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}
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/*
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* nf_ct_dscpremark_ext_add()
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* Adds the extension data to the conntrack entry.
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*/
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static inline
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struct nf_ct_dscpremark_ext *nf_ct_dscpremark_ext_add(struct nf_conn *ct,
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gfp_t gfp)
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{
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#ifdef CONFIG_NF_CONNTRACK_DSCPREMARK_EXT
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struct nf_ct_dscpremark_ext *ncde;
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ncde = nf_ct_ext_add(ct, NF_CT_EXT_DSCPREMARK, gfp);
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if (!ncde)
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return NULL;
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return ncde;
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#else
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return NULL;
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#endif
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};
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#ifdef CONFIG_NF_CONNTRACK_DSCPREMARK_EXT
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extern int nf_conntrack_dscpremark_ext_set_dscp_rule_valid(struct nf_conn *ct);
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extern int nf_conntrack_dscpremark_ext_get_dscp_rule_validity(struct nf_conn *ct);
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#endif /* CONFIG_NF_CONNTRACK_DSCPREMARK_EXT */
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#endif /* _NF_CONNTRACK_DSCPREMARK_H */
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@ -0,0 +1,61 @@
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/*
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**************************************************************************
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* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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**************************************************************************
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*/
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/* DSCP remark handling conntrack extension registration. */
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#include <linux/netfilter.h>
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#include <linux/slab.h>
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#include <linux/kernel.h>
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#include <linux/moduleparam.h>
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#include <linux/export.h>
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#include <net/netfilter/nf_conntrack.h>
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#include <net/netfilter/nf_conntrack_extend.h>
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#include <net/netfilter/nf_conntrack_dscpremark_ext.h>
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/* nf_conntrack_dscpremark_ext_set_dscp_rule_valid()
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* Set DSCP rule validity flag in the extension
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*/
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int nf_conntrack_dscpremark_ext_set_dscp_rule_valid(struct nf_conn *ct)
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{
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struct nf_ct_dscpremark_ext *ncde;
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ncde = nf_ct_dscpremark_ext_find(ct);
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if (!ncde)
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return -1;
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ncde->rule_flags = NF_CT_DSCPREMARK_EXT_DSCP_RULE_VALID;
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return 0;
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}
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EXPORT_SYMBOL(nf_conntrack_dscpremark_ext_set_dscp_rule_valid);
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/* nf_conntrack_dscpremark_ext_get_dscp_rule_validity()
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* Check if the DSCP rule flag is valid from the extension
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*/
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int nf_conntrack_dscpremark_ext_get_dscp_rule_validity(struct nf_conn *ct)
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{
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struct nf_ct_dscpremark_ext *ncde;
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ncde = nf_ct_dscpremark_ext_find(ct);
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if (!ncde)
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return NF_CT_DSCPREMARK_EXT_RULE_NOT_VALID;
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if (ncde->rule_flags & NF_CT_DSCPREMARK_EXT_DSCP_RULE_VALID)
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return NF_CT_DSCPREMARK_EXT_RULE_VALID;
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return NF_CT_DSCPREMARK_EXT_RULE_NOT_VALID;
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}
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EXPORT_SYMBOL(nf_conntrack_dscpremark_ext_get_dscp_rule_validity);
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