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ipq806x: NSS Hardware Offloading NSS qdisc Patches

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This commit is contained in:
ACwifidude
2021-02-26 18:19:35 -06:00
parent 9419c5b0d0
commit 972d42ef2c
5 changed files with 655 additions and 0 deletions
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28
target/linux/ipq806x/patches-5.4/999-07a-qca-nss-drv-qdisc-support.patch Normal file
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@@ -0,0 +1,28 @@
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -816,6 +816,8 @@ struct sk_buff {
#ifdef CONFIG_NET_CLS_ACT
__u8 tc_skip_classify:1;
__u8 tc_at_ingress:1;
+
+ __u16 tc_verd_qca_nss; /* QCA NSS Qdisc Support */
#endif
#ifdef CONFIG_NET_REDIRECT
__u8 redirected:1;
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -687,4 +687,14 @@ enum {
TCF_EM_OPND_LT
};
+/* QCA NSS Qdisc Support - Start */
+#define _TC_MAKE32(x) ((x))
+#define _TC_MAKEMASK1(n) (_TC_MAKE32(1) << _TC_MAKE32(n))
+
+#define TC_NCLS _TC_MAKEMASK1(8)
+#define TC_NCLS_NSS _TC_MAKEMASK1(12)
+#define SET_TC_NCLS_NSS(v) ( TC_NCLS_NSS | ((v) & ~TC_NCLS_NSS))
+#define CLR_TC_NCLS_NSS(v) ( (v) & ~TC_NCLS_NSS)
+/* QCA NSS Qdisc Support - End */
+
#endif

319
target/linux/ipq806x/patches-5.4/999-07b-qca-nss-clients-qdisc-support.patch Normal file
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@@ -0,0 +1,319 @@
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -79,6 +79,7 @@ struct Qdisc {
#define TCQ_F_INVISIBLE 0x80 /* invisible by default in dump */
#define TCQ_F_NOLOCK 0x100 /* qdisc does not require locking */
#define TCQ_F_OFFLOADED 0x200 /* qdisc is offloaded to HW */
+#define TCQ_F_NSS 0x1000 /* NSS qdisc flag. */
u32 limit;
const struct Qdisc_ops *ops;
struct qdisc_size_table __rcu *stab;
@@ -1295,4 +1296,9 @@ static inline void skb_tc_reinsert(struc
qstats_overlimit_inc(res->qstats);
}
+/* QCA NSS Qdisc Support - Start */
+void qdisc_destroy(struct Qdisc *qdisc);
+void tcf_destroy_chain(struct tcf_proto __rcu **fl);
+/* QCA NSS Qdisc Support - End */
+
#endif
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -1181,4 +1181,248 @@ enum {
#define TCA_TAPRIO_ATTR_MAX (__TCA_TAPRIO_ATTR_MAX - 1)
+/* QCA NSS Clients Support - Start */
+enum {
+ TCA_NSS_ACCEL_MODE_NSS_FW,
+ TCA_NSS_ACCEL_MODE_PPE,
+ TCA_NSS_ACCEL_MODE_MAX
+};
+
+/* NSSFIFO section */
+
+enum {
+ TCA_NSSFIFO_UNSPEC,
+ TCA_NSSFIFO_PARMS,
+ __TCA_NSSFIFO_MAX
+};
+
+#define TCA_NSSFIFO_MAX (__TCA_NSSFIFO_MAX - 1)
+
+struct tc_nssfifo_qopt {
+ __u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */
+ __u8 set_default; /* Sets qdisc to be the default qdisc for enqueue */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSWRED section */
+
+enum {
+ TCA_NSSWRED_UNSPEC,
+ TCA_NSSWRED_PARMS,
+ __TCA_NSSWRED_MAX
+};
+
+#define TCA_NSSWRED_MAX (__TCA_NSSWRED_MAX - 1)
+#define NSSWRED_CLASS_MAX 6
+struct tc_red_alg_parameter {
+ __u32 min; /* qlen_avg < min: pkts are all enqueued */
+ __u32 max; /* qlen_avg > max: pkts are all dropped */
+ __u32 probability;/* Drop probability at qlen_avg = max */
+ __u32 exp_weight_factor;/* exp_weight_factor for calculate qlen_avg */
+};
+
+struct tc_nsswred_traffic_class {
+ __u32 limit; /* Queue length */
+ __u32 weight_mode_value; /* Weight mode value */
+ struct tc_red_alg_parameter rap;/* Parameters for RED alg */
+};
+
+/*
+ * Weight modes for WRED
+ */
+enum tc_nsswred_weight_modes {
+ TC_NSSWRED_WEIGHT_MODE_DSCP = 0,/* Weight mode is DSCP */
+ TC_NSSWRED_WEIGHT_MODES, /* Must be last */
+};
+
+struct tc_nsswred_qopt {
+ __u32 limit; /* Queue length */
+ enum tc_nsswred_weight_modes weight_mode;
+ /* Weight mode */
+ __u32 traffic_classes; /* How many traffic classes: DPs */
+ __u32 def_traffic_class; /* Default traffic if no match: def_DP */
+ __u32 traffic_id; /* The traffic id to be configured: DP */
+ __u32 weight_mode_value; /* Weight mode value */
+ struct tc_red_alg_parameter rap;/* RED algorithm parameters */
+ struct tc_nsswred_traffic_class tntc[NSSWRED_CLASS_MAX];
+ /* Traffic settings for dumpping */
+ __u8 ecn; /* Setting ECN bit or dropping */
+ __u8 set_default; /* Sets qdisc to be the default for enqueue */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSCODEL section */
+
+enum {
+ TCA_NSSCODEL_UNSPEC,
+ TCA_NSSCODEL_PARMS,
+ __TCA_NSSCODEL_MAX
+};
+
+#define TCA_NSSCODEL_MAX (__TCA_NSSCODEL_MAX - 1)
+
+struct tc_nsscodel_qopt {
+ __u32 target; /* Acceptable queueing delay */
+ __u32 limit; /* Max number of packets that can be held in the queue */
+ __u32 interval; /* Monitoring interval */
+ __u32 flows; /* Number of flow buckets */
+ __u32 quantum; /* Weight (in bytes) used for DRR of flow buckets */
+ __u8 ecn; /* 0 - disable ECN, 1 - enable ECN */
+ __u8 set_default; /* Sets qdisc to be the default qdisc for enqueue */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+struct tc_nsscodel_xstats {
+ __u32 peak_queue_delay; /* Peak delay experienced by a dequeued packet */
+ __u32 peak_drop_delay; /* Peak delay experienced by a dropped packet */
+};
+
+/* NSSFQ_CODEL section */
+
+struct tc_nssfq_codel_xstats {
+ __u32 new_flow_count; /* Total number of new flows seen */
+ __u32 new_flows_len; /* Current number of new flows */
+ __u32 old_flows_len; /* Current number of old flows */
+ __u32 ecn_mark; /* Number of packets marked with ECN */
+ __u32 drop_overlimit; /* Number of packets dropped due to overlimit */
+ __u32 maxpacket; /* The largest packet seen so far in the queue */
+};
+
+/* NSSTBL section */
+
+enum {
+ TCA_NSSTBL_UNSPEC,
+ TCA_NSSTBL_PARMS,
+ __TCA_NSSTBL_MAX
+};
+
+#define TCA_NSSTBL_MAX (__TCA_NSSTBL_MAX - 1)
+
+struct tc_nsstbl_qopt {
+ __u32 burst; /* Maximum burst size */
+ __u32 rate; /* Limiting rate of TBF */
+ __u32 peakrate; /* Maximum rate at which TBF is allowed to send */
+ __u32 mtu; /* Max size of packet, or minumim burst size */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSPRIO section */
+
+#define TCA_NSSPRIO_MAX_BANDS 256
+
+enum {
+ TCA_NSSPRIO_UNSPEC,
+ TCA_NSSPRIO_PARMS,
+ __TCA_NSSPRIO_MAX
+};
+
+#define TCA_NSSPRIO_MAX (__TCA_NSSPRIO_MAX - 1)
+
+struct tc_nssprio_qopt {
+ __u32 bands; /* Number of bands */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSBF section */
+
+enum {
+ TCA_NSSBF_UNSPEC,
+ TCA_NSSBF_CLASS_PARMS,
+ TCA_NSSBF_QDISC_PARMS,
+ __TCA_NSSBF_MAX
+};
+
+#define TCA_NSSBF_MAX (__TCA_NSSBF_MAX - 1)
+
+struct tc_nssbf_class_qopt {
+ __u32 burst; /* Maximum burst size */
+ __u32 rate; /* Allowed bandwidth for this class */
+ __u32 mtu; /* MTU of the associated interface */
+ __u32 quantum; /* Quantum allocation for DRR */
+};
+
+struct tc_nssbf_qopt {
+ __u16 defcls; /* Default class value */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSWRR section */
+
+enum {
+ TCA_NSSWRR_UNSPEC,
+ TCA_NSSWRR_CLASS_PARMS,
+ TCA_NSSWRR_QDISC_PARMS,
+ __TCA_NSSWRR_MAX
+};
+
+#define TCA_NSSWRR_MAX (__TCA_NSSWRR_MAX - 1)
+
+struct tc_nsswrr_class_qopt {
+ __u32 quantum; /* Weight associated to this class */
+};
+
+struct tc_nsswrr_qopt {
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSWFQ section */
+
+enum {
+ TCA_NSSWFQ_UNSPEC,
+ TCA_NSSWFQ_CLASS_PARMS,
+ TCA_NSSWFQ_QDISC_PARMS,
+ __TCA_NSSWFQ_MAX
+};
+
+#define TCA_NSSWFQ_MAX (__TCA_NSSWFQ_MAX - 1)
+
+struct tc_nsswfq_class_qopt {
+ __u32 quantum; /* Weight associated to this class */
+};
+
+struct tc_nsswfq_qopt {
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSHTB section */
+
+enum {
+ TCA_NSSHTB_UNSPEC,
+ TCA_NSSHTB_CLASS_PARMS,
+ TCA_NSSHTB_QDISC_PARMS,
+ __TCA_NSSHTB_MAX
+};
+
+#define TCA_NSSHTB_MAX (__TCA_NSSHTB_MAX - 1)
+
+struct tc_nsshtb_class_qopt {
+ __u32 burst; /* Allowed burst size */
+ __u32 rate; /* Allowed bandwidth for this class */
+ __u32 cburst; /* Maximum burst size */
+ __u32 crate; /* Maximum bandwidth for this class */
+ __u32 quantum; /* Quantum allocation for DRR */
+ __u32 priority; /* Priority value associated with this class */
+ __u32 overhead; /* Overhead in bytes per packet */
+};
+
+struct tc_nsshtb_qopt {
+ __u32 r2q; /* Rate to quantum ratio */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+
+/* NSSBLACKHOLE section */
+
+enum {
+ TCA_NSSBLACKHOLE_UNSPEC,
+ TCA_NSSBLACKHOLE_PARMS,
+ __TCA_NSSBLACKHOLE_MAX
+};
+
+#define TCA_NSSBLACKHOLE_MAX (__TCA_NSSBLACKHOLE_MAX - 1)
+
+struct tc_nssblackhole_qopt {
+ __u8 set_default; /* Sets qdisc to be the default qdisc for enqueue */
+ __u8 accel_mode; /* Dictates which data plane offloads the qdisc */
+};
+/* QCA NSS Clients Support - End */
#endif
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2290,4 +2290,26 @@ static int __init pktsched_init(void)
return 0;
}
+/* QCA NSS Qdisc Support - Start */
+bool tcf_destroy(struct tcf_proto *tp, bool force)
+{
+ tp->ops->destroy(tp, force, NULL);
+ module_put(tp->ops->owner);
+ kfree_rcu(tp, rcu);
+
+ return true;
+}
+
+void tcf_destroy_chain(struct tcf_proto __rcu **fl)
+{
+ struct tcf_proto *tp;
+
+ while ((tp = rtnl_dereference(*fl)) != NULL) {
+ RCU_INIT_POINTER(*fl, tp->next);
+ tcf_destroy(tp, true);
+ }
+}
+EXPORT_SYMBOL(tcf_destroy_chain);
+/* QCA NSS Qdisc Support - End */
+
subsys_initcall(pktsched_init);
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -741,7 +741,7 @@ static void qdisc_free_cb(struct rcu_hea
qdisc_free(q);
}
-static void qdisc_destroy(struct Qdisc *qdisc)
+void qdisc_destroy(struct Qdisc *qdisc)
{
const struct Qdisc_ops *ops = qdisc->ops;
struct sk_buff *skb, *tmp;
@@ -772,6 +772,7 @@ static void qdisc_destroy(struct Qdisc *
call_rcu(&qdisc->rcu, qdisc_free_cb);
}
+EXPORT_SYMBOL(qdisc_destroy);
void qdisc_put(struct Qdisc *qdisc)
{

132
target/linux/ipq806x/patches-5.4/999-07c-qca-nss-clients-ppp-support.patch Normal file
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@@ -0,0 +1,132 @@
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -48,6 +48,7 @@
#include <net/slhc_vj.h>
#include <linux/atomic.h>
#include <linux/refcount.h>
+#include <linux/if_pppox.h>
#include <linux/nsproxy.h>
#include <net/net_namespace.h>
@@ -3207,6 +3208,10 @@ ppp_connect_channel(struct channel *pch,
struct ppp_net *pn;
int ret = -ENXIO;
int hdrlen;
+ /* QCA NSS ECM Support - Start */
+ int ppp_proto;
+ int version;
+ /* QCA NSS ECM Support - End */
pn = ppp_pernet(pch->chan_net);
@@ -3238,6 +3243,26 @@ ppp_connect_channel(struct channel *pch,
++ppp->n_channels;
pch->ppp = ppp;
refcount_inc(&ppp->file.refcnt);
+
+ /* QCA NSS ECM support - Start */
+ /* Set the netdev priv flag if the prototype
+ * is L2TP or PPTP. Return success in all cases
+ */
+ if (!pch->chan)
+ goto out2;
+
+ ppp_proto = ppp_channel_get_protocol(pch->chan);
+ if (ppp_proto == PX_PROTO_PPTP) {
+ ppp->dev->priv_flags_qca_ecm |= IFF_QCA_ECM_PPP_PPTP;
+ } else if (ppp_proto == PX_PROTO_OL2TP) {
+ version = ppp_channel_get_proto_version(pch->chan);
+ if (version == 2)
+ ppp->dev->priv_flags_qca_ecm |= IFF_QCA_ECM_PPP_L2TPV2;
+ else if (version == 3)
+ ppp->dev->priv_flags_qca_ecm |= IFF_QCA_ECM_PPP_L2TPV3;
+ }
+ /* QCA NSS ECM support - End */
+ out2:
ppp_unlock(ppp);
ret = 0;
@@ -3341,6 +3366,56 @@
}
EXPORT_SYMBOL(ppp_release_channels);
+/* Return the PPP net device index */
+int ppp_dev_index(struct ppp_channel *chan)
+{
+ struct channel *pch = chan->ppp;
+ int ifindex = 0;
+
+ if (pch) {
+ read_lock_bh(&pch->upl);
+ if (pch->ppp && pch->ppp->dev)
+ ifindex = pch->ppp->dev->ifindex;
+ read_unlock_bh(&pch->upl);
+ }
+ return ifindex;
+}
+EXPORT_SYMBOL(ppp_dev_index);
+
+/* ppp_channel_get_proto_version()
+ * Call this to get channel protocol version
+ */
+int ppp_channel_get_proto_version(struct ppp_channel *chan)
+{
+ if (!chan->ops->get_channel_protocol_ver)
+ return -1;
+
+ return chan->ops->get_channel_protocol_ver(chan);
+}
+EXPORT_SYMBOL(ppp_channel_get_proto_version);
+
+/* Check if ppp xmit lock is on hold */
+bool ppp_is_xmit_locked(struct net_device *dev)
+{
+ struct ppp *ppp;
+
+ if (!dev)
+ return false;
+
+ if (dev->type != ARPHRD_PPP)
+ return false;
+
+ ppp = netdev_priv(dev);
+ if (!ppp)
+ return false;
+
+ if (spin_is_locked(&(ppp)->wlock))
+ return true;
+
+ return false;
+}
+EXPORT_SYMBOL(ppp_is_xmit_locked);
+
/* Module/initialization stuff */
module_init(ppp_init);
--- a/include/linux/ppp_channel.h
+++ b/include/linux/ppp_channel.h
@@ -32,6 +32,8 @@ struct ppp_channel_ops {
* the channel subtype
*/
int (*get_channel_protocol)(struct ppp_channel *);
+ /* Get channel protocol version */
+ int (*get_channel_protocol_ver)(struct ppp_channel *);
/* Hold the channel from being destroyed */
void (*hold)(struct ppp_channel *);
/* Release hold on the channel */
@@ -84,6 +96,15 @@
/* Test if ppp xmit lock is locked */
extern bool ppp_is_xmit_locked(struct net_device *dev);
+/* Test if ppp xmit lock is locked */
+extern bool ppp_is_xmit_locked(struct net_device *dev);
+
+/* Call this get protocol version */
+extern int ppp_channel_get_proto_version(struct ppp_channel *);
+
+/* Get the device index associated with a channel, or 0, if none */
+extern int ppp_dev_index(struct ppp_channel *);
+
/* Hold PPP channels for the PPP device */
extern int __ppp_hold_channels(struct net_device *dev,
struct ppp_channel *channels[],

99
target/linux/ipq806x/patches-5.4/999-07d-qca-nss-clients-ppp-support.patch Normal file
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@@ -0,0 +1,99 @@
--- a/include/linux/ppp_channel.h
+++ b/include/linux/ppp_channel.h
@@ -146,5 +146,17 @@ extern void ppp_update_stats(struct net_
extern int ppp_dev_index(struct ppp_channel *);
/* QCA NSS ECM Support - End */
+/* QCA NSS Clients Support - Start */
+/* PPP channel connection event types */
+#define PPP_CHANNEL_DISCONNECT 0
+#define PPP_CHANNEL_CONNECT 1
+
+/* Register the PPP channel connect notifier */
+extern void ppp_channel_connection_register_notify(struct notifier_block *nb);
+
+/* Unregister the PPP channel connect notifier */
+extern void ppp_channel_connection_unregister_notify(struct notifier_block *nb);
+/* QCA NSS Clients Support - End */
+
#endif /* __KERNEL__ */
#endif
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -256,6 +256,26 @@ struct ppp_net {
#define seq_before(a, b) ((s32)((a) - (b)) < 0)
#define seq_after(a, b) ((s32)((a) - (b)) > 0)
+/* QCA NSS Client Support - Start */
+/*
+ * Registration/Unregistration methods
+ * for PPP channel connect and disconnect event notifications.
+ */
+RAW_NOTIFIER_HEAD(ppp_channel_connection_notifier_list);
+
+void ppp_channel_connection_register_notify(struct notifier_block *nb)
+{
+ raw_notifier_chain_register(&ppp_channel_connection_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(ppp_channel_connection_register_notify);
+
+void ppp_channel_connection_unregister_notify(struct notifier_block *nb)
+{
+ raw_notifier_chain_unregister(&ppp_channel_connection_notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(ppp_channel_connection_unregister_notify);
+/* QCA NSS Client Support - End */
+
/* Prototypes. */
static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
struct file *file, unsigned int cmd, unsigned long arg);
@@ -3212,6 +3232,7 @@ ppp_connect_channel(struct channel *pch,
int ppp_proto;
int version;
/* QCA NSS ECM Support - End */
+ int notify = 0; /* QCA NSS Client Support */
pn = ppp_pernet(pch->chan_net);
@@ -3262,6 +3283,8 @@ ppp_connect_channel(struct channel *pch,
ppp->dev->priv_flags_qca_ecm |= IFF_QCA_ECM_PPP_L2TPV3;
}
/* QCA NSS ECM support - End */
+
+ notify = 1; /* QCA NSS Clients Support */
out2:
ppp_unlock(ppp);
ret = 0;
@@ -3270,6 +3293,16 @@ ppp_connect_channel(struct channel *pch,
write_unlock_bh(&pch->upl);
out:
mutex_unlock(&pn->all_ppp_mutex);
+
+ /* QCA NSS Clients Support - Start */
+ if (notify && ppp && ppp->dev) {
+ dev_hold(ppp->dev);
+ raw_notifier_call_chain(&ppp_channel_connection_notifier_list,
+ PPP_CHANNEL_CONNECT, ppp->dev);
+ dev_put(ppp->dev);
+ }
+ /* QCA NSS Clients Support - End */
+
return ret;
}
@@ -3287,6 +3320,15 @@ ppp_disconnect_channel(struct channel *p
pch->ppp = NULL;
write_unlock_bh(&pch->upl);
if (ppp) {
+ /* QCA NSS Clients Support - Start */
+ if (ppp->dev) {
+ dev_hold(ppp->dev);
+ raw_notifier_call_chain(&ppp_channel_connection_notifier_list,
+ PPP_CHANNEL_DISCONNECT, ppp->dev);
+ dev_put(ppp->dev);
+ }
+ /* QCA NSS Clients Support - Start */
+
/* remove it from the ppp unit's list */
ppp_lock(ppp);
list_del(&pch->clist);

77
target/linux/ipq806x/patches-5.4/999-07e-qca-nss-clients-iptunnel-support.patch Normal file
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@@ -0,0 +1,77 @@
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -36,6 +36,7 @@ struct __ip6_tnl_parm {
__u8 proto; /* tunnel protocol */
__u8 encap_limit; /* encapsulation limit for tunnel */
__u8 hop_limit; /* hop limit for tunnel */
+ __u8 draft03; /* FMR using draft03 of map-e - QCA NSS Clients Support */
bool collect_md;
__be32 flowinfo; /* traffic class and flowlabel for tunnel */
__u32 flags; /* tunnel flags */
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -525,4 +525,9 @@ static inline void ip_tunnel_info_opts_s
#endif /* CONFIG_INET */
+/* QCA NSS Clients Support - Start */
+void ipip6_update_offload_stats(struct net_device *dev, void *ptr);
+void ip6_update_offload_stats(struct net_device *dev, void *ptr);
+/* QCA NSS Clients Support - End */
+
#endif /* __NET_IP_TUNNELS_H */
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -2392,6 +2392,26 @@ nla_put_failure:
return -EMSGSIZE;
}
+/* QCA NSS Client Support - Start */
+/*
+ * Update offload stats
+ */
+void ip6_update_offload_stats(struct net_device *dev, void *ptr)
+{
+ struct pcpu_sw_netstats *tstats = per_cpu_ptr(dev->tstats, 0);
+ const struct pcpu_sw_netstats *offload_stats =
+ (struct pcpu_sw_netstats *)ptr;
+
+ u64_stats_update_begin(&tstats->syncp);
+ tstats->tx_packets += offload_stats->tx_packets;
+ tstats->tx_bytes += offload_stats->tx_bytes;
+ tstats->rx_packets += offload_stats->rx_packets;
+ tstats->rx_bytes += offload_stats->rx_bytes;
+ u64_stats_update_end(&tstats->syncp);
+}
+EXPORT_SYMBOL(ip6_update_offload_stats);
+/* QCA NSS Client Support - End */
+
struct net *ip6_tnl_get_link_net(const struct net_device *dev)
{
struct ip6_tnl *tunnel = netdev_priv(dev);
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1741,6 +1741,23 @@ nla_put_failure:
return -EMSGSIZE;
}
+/* QCA NSS Clients Support - Start */
+void ipip6_update_offload_stats(struct net_device *dev, void *ptr)
+{
+ struct pcpu_sw_netstats *tstats = per_cpu_ptr(dev->tstats, 0);
+ const struct pcpu_sw_netstats *offload_stats =
+ (struct pcpu_sw_netstats *)ptr;
+
+ u64_stats_update_begin(&tstats->syncp);
+ tstats->tx_packets += offload_stats->tx_packets;
+ tstats->tx_bytes += offload_stats->tx_bytes;
+ tstats->rx_packets += offload_stats->rx_packets;
+ tstats->rx_bytes += offload_stats->rx_bytes;
+ u64_stats_update_end(&tstats->syncp);
+}
+EXPORT_SYMBOL(ipip6_update_offload_stats);
+/* QCA NSS Clients Support - End */
+
static const struct nla_policy ipip6_policy[IFLA_IPTUN_MAX + 1] = {
[IFLA_IPTUN_LINK] = { .type = NLA_U32 },
[IFLA_IPTUN_LOCAL] = { .type = NLA_U32 },