ipq806x: NSS Hardware Offloading Target Files

target/linux/ipq806x/files/include/linux/regulator/nss-volt-ipq806x.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __QCOM_NSS_VOL_SCALING_H
+#define __QCOM_NSS_VOL_SCALING_H
+
+#include <linux/regulator/consumer.h>
+
+int nss_ramp_voltage(unsigned long rate, bool ramp_up);
+
+#endif

target/linux/ipq806x/files/include/net/netfilter/nf_conntrack_dscpremark_ext.h

@@ -0,0 +1,101 @@
+/*
+ **************************************************************************
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all copies.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ **************************************************************************
+ */
+
+/* DSCP remark conntrack extension APIs. */
+
+#ifndef _NF_CONNTRACK_DSCPREMARK_H
+#define _NF_CONNTRACK_DSCPREMARK_H
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_extend.h>
+
+/* Rule flags */
+#define NF_CT_DSCPREMARK_EXT_DSCP_RULE_VALID 0x1
+
+/* Rule validity */
+#define NF_CT_DSCPREMARK_EXT_RULE_VALID 0x1
+#define NF_CT_DSCPREMARK_EXT_RULE_NOT_VALID 0x0
+
+/*
+ * DSCP remark conntrack extension structure.
+ */
+struct nf_ct_dscpremark_ext {
+	__u32 flow_priority;	/* Original direction packet priority */
+	__u32 reply_priority;	/* Reply direction packet priority */
+	__u16 igs_flow_qos_tag;	/* Original direction ingress packet priority */
+	__u16 igs_reply_qos_tag;	/* Reply direction ingress packet priority */
+	__u8 flow_dscp;		/* IP DSCP value for original direction */
+	__u8 reply_dscp;	/* IP DSCP value for reply direction */
+	__u16 rule_flags;	/* Rule Validity flags */
+};
+
+/*
+ * nf_ct_dscpremark_ext_find()
+ *	Finds the extension data of the conntrack entry if it exists.
+ */
+static inline struct nf_ct_dscpremark_ext *
+nf_ct_dscpremark_ext_find(const struct nf_conn *ct)
+{
+#ifdef CONFIG_NF_CONNTRACK_DSCPREMARK_EXT
+	return nf_ct_ext_find(ct, NF_CT_EXT_DSCPREMARK);
+#else
+	return NULL;
+#endif
+}
+
+/*
+ * nf_ct_dscpremark_ext_add()
+ *	Adds the extension data to the conntrack entry.
+ */
+static inline
+struct nf_ct_dscpremark_ext *nf_ct_dscpremark_ext_add(struct nf_conn *ct,
+						      gfp_t gfp)
+{
+#ifdef CONFIG_NF_CONNTRACK_DSCPREMARK_EXT
+	struct nf_ct_dscpremark_ext *ncde;
+
+	ncde = nf_ct_ext_add(ct, NF_CT_EXT_DSCPREMARK, gfp);
+	if (!ncde)
+		return NULL;
+
+	return ncde;
+#else
+	return NULL;
+#endif
+};
+
+#ifdef CONFIG_NF_CONNTRACK_DSCPREMARK_EXT
+extern int nf_conntrack_dscpremark_ext_init(void);
+extern void nf_conntrack_dscpremark_ext_fini(void);
+extern int nf_conntrack_dscpremark_ext_set_dscp_rule_valid(struct nf_conn *ct);
+extern int
+nf_conntrack_dscpremark_ext_get_dscp_rule_validity(struct nf_conn *ct);
+#else
+/*
+ * nf_conntrack_dscpremark_ext_init()
+ */
+static inline int nf_conntrack_dscpremark_ext_init(void)
+{
+	return 0;
+}
+
+/*
+ * nf_conntrack_dscpremark_ext_fini()
+ */
+static inline void nf_conntrack_dscpremark_ext_fini(void)
+{
+}
+#endif /* CONFIG_NF_CONNTRACK_DSCPREMARK_EXT */
+#endif /* _NF_CONNTRACK_DSCPREMARK_H */

target/linux/ipq806x/files/include/uapi/linux/tc_act/tc_nss_mirred.h

@@ -0,0 +1,36 @@
+#ifndef __LINUX_TC_NSS_MIRRED_H
+#define __LINUX_TC_NSS_MIRRED_H
+
+#include <linux/pkt_cls.h>
+
+/*
+ * Type of nss mirred action.
+ */
+#define TCA_ACT_MIRRED_NSS 17
+
+/*
+ * Types of parameters for nss mirred action.
+ */
+enum {
+	TC_NSS_MIRRED_UNSPEC,
+	TC_NSS_MIRRED_TM,
+	TC_NSS_MIRRED_PARMS,
+	__TC_NSS_MIRRED_MAX
+};
+#define TC_NSS_MIRRED_MAX (__TC_NSS_MIRRED_MAX - 1)
+
+/*
+ * tc_nss_mirred
+ *	tc command structure for nss mirred action.
+ */
+struct tc_nss_mirred {
+	tc_gen;			/* General tc structure. */
+	__u32 from_ifindex;	/* ifindex of the port from which traffic
+				 * will be redirected.
+				 */
+	__u32 to_ifindex;	/* ifindex of the port to which traffic
+				 * will be redirected.
+				 */
+};
+
+#endif	/* __LINUX_TC_NSS_MIRRED_H */

target/linux/ipq806x/files/net/netfilter/nf_conntrack_dscpremark_ext.c

@@ -0,0 +1,92 @@
+/*
+ **************************************************************************
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all copies.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ **************************************************************************
+ */
+
+/* DSCP remark handling conntrack extension registration. */
+
+#include <linux/netfilter.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+#include <linux/export.h>
+
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_extend.h>
+#include <net/netfilter/nf_conntrack_dscpremark_ext.h>
+
+/* DSCP remark conntrack extension type declaration */
+static struct nf_ct_ext_type dscpremark_extend __read_mostly = {
+	.len = sizeof(struct nf_ct_dscpremark_ext),
+	.align = __alignof__(struct nf_ct_dscpremark_ext),
+	.id = NF_CT_EXT_DSCPREMARK,
+};
+
+/* nf_conntrack_dscpremark_ext_init()
+ *	Initializes the DSCP remark conntrack extension.
+ */
+int nf_conntrack_dscpremark_ext_init(void)
+{
+	int ret;
+
+	ret = nf_ct_extend_register(&dscpremark_extend);
+	if (ret < 0) {
+		pr_warn("nf_conntrack_dscpremark: Unable to register extension\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+/* nf_conntrack_dscpremark_ext_set_dscp_rule_valid()
+ *	Set DSCP rule validity flag in the extension
+ */
+int nf_conntrack_dscpremark_ext_set_dscp_rule_valid(struct nf_conn *ct)
+{
+	struct nf_ct_dscpremark_ext *ncde;
+
+	ncde = nf_ct_dscpremark_ext_find(ct);
+	if (!ncde)
+		return -1;
+
+	ncde->rule_flags = NF_CT_DSCPREMARK_EXT_DSCP_RULE_VALID;
+	return 0;
+}
+EXPORT_SYMBOL(nf_conntrack_dscpremark_ext_set_dscp_rule_valid);
+
+/* nf_conntrack_dscpremark_ext_get_dscp_rule_validity()
+ *	Check if the DSCP rule flag is valid from the extension
+ */
+int nf_conntrack_dscpremark_ext_get_dscp_rule_validity(struct nf_conn *ct)
+{
+	struct nf_ct_dscpremark_ext *ncde;
+
+	ncde = nf_ct_dscpremark_ext_find(ct);
+	if (!ncde)
+		return NF_CT_DSCPREMARK_EXT_RULE_NOT_VALID;
+
+	if (ncde->rule_flags & NF_CT_DSCPREMARK_EXT_DSCP_RULE_VALID)
+		return NF_CT_DSCPREMARK_EXT_RULE_VALID;
+
+	return NF_CT_DSCPREMARK_EXT_RULE_NOT_VALID;
+}
+EXPORT_SYMBOL(nf_conntrack_dscpremark_ext_get_dscp_rule_validity);
+
+/* nf_conntrack_dscpremark_ext_fini()
+ *	De-initializes the DSCP remark conntrack extension.
+ */
+void nf_conntrack_dscpremark_ext_fini(void)
+{
+	nf_ct_extend_unregister(&dscpremark_extend);
+}