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port ASK kernel patchset to 6.18 application state

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This commit is contained in:
斟酌 鵬兄
2026-05-09 05:23:55 +08:00
parent 55569ba9ff
commit 9c6fb5194e
22 changed files with 4270 additions and 92 deletions
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131
patches/ask/kernel/0103-net__core__dev.c.patch Normal file
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@@ -0,0 +1,131 @@
diff --git a/net/core/dev.c b/net/core/dev.c
index 2acfa44..02e304b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -176,6 +176,10 @@ static int call_netdevice_notifiers_extack(unsigned long val,
struct net_device *dev,
struct netlink_ext_ack *extack);
+#if defined(CONFIG_CPE_FAST_PATH)
+static fp_iface_stats_get fast_path_stats_get;
+#endif
+
static DEFINE_MUTEX(ifalias_mutex);
/* protects napi_hash addition/deletion and napi_gen_id */
@@ -4002,9 +4006,15 @@ static struct sk_buff *validate_xmit_skb(struct sk_buff *skb, struct net_device
skb = segs;
}
} else {
- if (skb_needs_linearize(skb, features) &&
- __skb_linearize(skb))
- goto out_kfree_skb;
+ /* Linearize only if IPsec policy is not selected. */
+#if defined(CONFIG_INET_IPSEC_OFFLOAD) || defined(CONFIG_INET6_IPSEC_OFFLOAD)
+ if (!skb->ipsec_offload)
+#endif
+ {
+ if (skb_needs_linearize(skb, features) &&
+ __skb_linearize(skb))
+ goto out_kfree_skb;
+ }
/* If packet is not checksummed and device does not
* support checksumming for this protocol, complete
@@ -4792,6 +4802,40 @@ out:
}
EXPORT_SYMBOL(__dev_queue_xmit);
+#if defined(CONFIG_CPE_FAST_PATH)
+/* WiFi IPsec offload hook - allows cdx to intercept packets for IPsec
+ * processing when the packet is transmitted on a wifi interface.
+ */
+dpaa_wifi_xmit_local_hook_t dpaa_wifi_xmit_local_ipsec_handler;
+EXPORT_SYMBOL(dpaa_wifi_xmit_local_ipsec_handler);
+
+/* Register a hook function for IPsec offload on wifi interfaces. */
+int dpa_register_wifi_xmit_local_hook(dpaa_wifi_xmit_local_hook_t hookfn)
+{
+ if (dpaa_wifi_xmit_local_ipsec_handler) {
+ pr_warn("%s: hook already registered\n", __func__);
+ return -1;
+ }
+ dpaa_wifi_xmit_local_ipsec_handler = hookfn;
+ return 0;
+}
+EXPORT_SYMBOL(dpa_register_wifi_xmit_local_hook);
+
+/* Unregister the IPsec offload hook. */
+void dpa_unregister_wifi_xmit_local_hook(void)
+{
+ dpaa_wifi_xmit_local_ipsec_handler = NULL;
+}
+EXPORT_SYMBOL(dpa_unregister_wifi_xmit_local_hook);
+
+/* Original dev_queue_xmit - called when wifi hook is not applicable. */
+int original_dev_queue_xmit(struct sk_buff *skb)
+{
+ return __dev_queue_xmit(skb, NULL);
+}
+EXPORT_SYMBOL(original_dev_queue_xmit);
+#endif
+
int __dev_direct_xmit(struct sk_buff *skb, u16 queue_id)
{
struct net_device *dev = skb->dev;
@@ -5862,6 +5906,15 @@ static int __netif_receive_skb_core(struct sk_buff **pskb, bool pfmemalloc,
trace_netif_receive_skb(skb);
+#ifdef CONFIG_CPE_FAST_PATH
+ /* ifindex of device we arrived on, now skb->skb_iif
+ * always tracks skb->dev.
+ */
+ if (!skb->iif_index)
+ skb->iif_index = skb->dev->ifindex;
+ if (!skb->underlying_iif)
+ skb->underlying_iif = skb->dev->ifindex;
+#endif
orig_dev = skb->dev;
skb_reset_network_header(skb);
@@ -7627,9 +7680,9 @@ static int __napi_poll(struct napi_struct *n, bool *repoll)
return work;
}
/* Flush too old packets. If HZ < 1000, flush all packets */
- gro_flush_normal(&n->gro, HZ >= 1000);
+ gro_flush(&n->gro, HZ >= 1000);
/* Some drivers may have called napi_schedule
* prior to exhausting their budget.
*/
@@ -11762,10 +11812,28 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
storage->rx_otherhost_dropped += READ_ONCE(core_stats->rx_otherhost_dropped);
}
}
+#if defined(CONFIG_CPE_FAST_PATH)
+ if (fast_path_stats_get)
+ fast_path_stats_get(dev, storage);
+#endif
return storage;
}
EXPORT_SYMBOL(dev_get_stats);
+#if defined(CONFIG_CPE_FAST_PATH)
+void dev_fp_stats_get_register(fp_iface_stats_get func)
+{
+ fast_path_stats_get = func;
+}
+EXPORT_SYMBOL(dev_fp_stats_get_register);
+
+void dev_fp_stats_get_deregister(void)
+{
+ fast_path_stats_get = NULL;
+}
+EXPORT_SYMBOL(dev_fp_stats_get_deregister);
+#endif
+
/**
* dev_fetch_sw_netstats - get per-cpu network device statistics
* @s: place to store stats