From 2f529f9b558ca1c1bd74be7437a84e4711743404 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 01 Nov 2024 02:11:33 +0000
Subject: [PATCH] add xenomai
---
kernel/include/linux/netdevice.h | 94 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 94 insertions(+), 0 deletions(-)
diff --git a/kernel/include/linux/netdevice.h b/kernel/include/linux/netdevice.h
index 7e7a003..d25e9aa 100644
--- a/kernel/include/linux/netdevice.h
+++ b/kernel/include/linux/netdevice.h
@@ -41,6 +41,7 @@
#endif
#include <net/netprio_cgroup.h>
#include <net/xdp.h>
+#include <net/netoob.h>
#include <linux/netdev_features.h>
#include <linux/neighbour.h>
@@ -296,6 +297,7 @@
__LINK_STATE_LINKWATCH_PENDING,
__LINK_STATE_DORMANT,
__LINK_STATE_TESTING,
+ __LINK_STATE_OOB,
};
@@ -1534,6 +1536,13 @@
ANDROID_KABI_RESERVE(6);
ANDROID_KABI_RESERVE(7);
ANDROID_KABI_RESERVE(8);
+#ifdef CONFIG_NET_OOB
+ struct sk_buff * (*ndo_alloc_oob_skb)(struct net_device *dev,
+ dma_addr_t *dma_addr);
+ void (*ndo_free_oob_skb)(struct net_device *dev,
+ struct sk_buff *skb,
+ dma_addr_t dma_addr);
+#endif
};
/**
@@ -1725,6 +1734,7 @@
* @tlsdev_ops: Transport Layer Security offload operations
* @header_ops: Includes callbacks for creating,parsing,caching,etc
* of Layer 2 headers.
+ * @net_oob_context: Out-of-band networking context (oob stage diversion)
*
* @flags: Interface flags (a la BSD)
* @priv_flags: Like 'flags' but invisible to userspace,
@@ -1982,6 +1992,10 @@
#if IS_ENABLED(CONFIG_TLS_DEVICE)
const struct tlsdev_ops *tlsdev_ops;
+#endif
+
+#ifdef CONFIG_NET_OOB
+ struct oob_netdev_context oob_context;
#endif
const struct header_ops *header_ops;
@@ -4190,6 +4204,86 @@
void netif_device_attach(struct net_device *dev);
+#ifdef CONFIG_NET_OOB
+
+static inline bool netif_oob_diversion(const struct net_device *dev)
+{
+ return test_bit(__LINK_STATE_OOB, &dev->state);
+}
+
+static inline void netif_enable_oob_diversion(struct net_device *dev)
+{
+ return set_bit(__LINK_STATE_OOB, &dev->state);
+}
+
+static inline void netif_disable_oob_diversion(struct net_device *dev)
+{
+ clear_bit(__LINK_STATE_OOB, &dev->state);
+ smp_mb__after_atomic();
+}
+
+int netif_xmit_oob(struct sk_buff *skb);
+
+static inline bool netdev_is_oob_capable(struct net_device *dev)
+{
+ return !!(dev->oob_context.flags & IFF_OOB_CAPABLE);
+}
+
+static inline void netdev_enable_oob_port(struct net_device *dev)
+{
+ dev->oob_context.flags |= IFF_OOB_PORT;
+}
+
+static inline void netdev_disable_oob_port(struct net_device *dev)
+{
+ dev->oob_context.flags &= ~IFF_OOB_PORT;
+}
+
+static inline bool netdev_is_oob_port(struct net_device *dev)
+{
+ return !!(dev->oob_context.flags & IFF_OOB_PORT);
+}
+
+static inline struct sk_buff *netdev_alloc_oob_skb(struct net_device *dev,
+ dma_addr_t *dma_addr)
+{
+ return dev->netdev_ops->ndo_alloc_oob_skb(dev, dma_addr);
+}
+
+static inline void netdev_free_oob_skb(struct net_device *dev,
+ struct sk_buff *skb,
+ dma_addr_t dma_addr)
+{
+ dev->netdev_ops->ndo_free_oob_skb(dev, skb, dma_addr);
+}
+
+#else
+
+static inline bool netif_oob_diversion(const struct net_device *dev)
+{
+ return false;
+}
+
+static inline bool netdev_is_oob_capable(struct net_device *dev)
+{
+ return false;
+}
+
+static inline void netdev_enable_oob_port(struct net_device *dev)
+{
+}
+
+static inline void netdev_disable_oob_port(struct net_device *dev)
+{
+}
+
+static inline bool netdev_is_oob_port(struct net_device *dev)
+{
+ return false;
+}
+
+#endif
+
/*
* Network interface message level settings
*/
--
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