函数名称:skb_nfct 函数原型:static inline struct nf_conntrack *skb_nfct(const struct sk_buff *skb) 返回类型:struct nf_conntrack 参数: 类型参数名称 const struct sk_buff * skb 4062 返回:_nfct按位与NFCT_PTRMASK 调用者 名称描述 nf_reset_ct __nf_copy Note: This doesn't put any conntra...
initially 'skb->dev' will be set to point the real underlying bonding slave. When the packet enters the networking (via 'netif_receive_skb()') we save 'skb->dev' away in 'skb->real_dev' and update 'skb->dev' to point to the bonding device. ...
+static inline void skb_set_network_header(struct sk_buff *skb, const int offset) +{ + skb->network_header = skb->data + offset; } static inline unsigned char *skb_mac_header(const struct sk_buff *skb) @@ -1007,6 +1059,22 @@ static inline void skb_set_mac_header(struct sk_buf...
initially 'skb->dev' will be set to point the real underlying bonding slave. When the packet enters the networking (via 'netif_receive_skb()') we save 'skb->dev' away in 'skb->real_dev' and update 'skb->dev' to point to the bonding device. ...
len,data_len,mac_len,csum;__u32 priority;__u8 local_df:1,cloned:1,ip_summed:2,nohdr:1,nfctinfo:3;__u8 pkt_type:3,
skb_set_tail_pointer(skb, len);gotofill; } }/* create a new skb, with the correct size (and tailpad) */skb2 =skb_copy_expand(skb,sizeof*hdr,1, flags); dev_kfree_skb_any(skb);if(unlikely(!skb2))returnskb2; skb = skb2;/* fill out the RNDIS header. we won't bother tryi...
atomic_set(&n->users,1); C(protocol); C(security); C(truesize); C(head); C(data); C(tail); C(end); n->destructor =NULL;#ifdefCONFIG_NETFILTERC(nfmark); C(nfcache); C(nfct);#ifdefCONFIG_NETFILTER_DEBUGC(nf_debug);#endif#endif/*CONFIG_NETFILTER*/#ifdefined(CONFIG_HIPPI)C(...
因此,sk_buff 结构里面的一些成员变量只有在内核选择支持某些功能时才有效,比如防火墙(netfilter)或者qos: unsigned long nfmark _ _u32 nfcache _ _u32 nfctinfo struct nf_conntrack *nfct unsigned int nfdebug struct nf_bridge_info *nf_bridge 这些变量被netfilter 使用(防火墙代码),内核编译选项是“Device...
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