C++ (Cpp) trace_fill_header Beispiele

Beispiel #1

Datei: nf_tables_trace.c Projekt: 513855417/linux

static int nf_trace_fill_pkt_info(struct sk_buff *nlskb,
				  const struct nft_pktinfo *pkt)
{
	const struct sk_buff *skb = pkt->skb;
	unsigned int len = min_t(unsigned int,
				 pkt->xt.thoff - skb_network_offset(skb),
				 NFT_TRACETYPE_NETWORK_HSIZE);
	int off = skb_network_offset(skb);

	if (trace_fill_header(nlskb, NFTA_TRACE_NETWORK_HEADER, skb, off, len))
		return -1;

	len = min_t(unsigned int, skb->len - pkt->xt.thoff,
		    NFT_TRACETYPE_TRANSPORT_HSIZE);

	if (trace_fill_header(nlskb, NFTA_TRACE_TRANSPORT_HEADER, skb,
			      pkt->xt.thoff, len))
		return -1;

	if (!skb_mac_header_was_set(skb))
		return 0;

	if (skb_vlan_tag_get(skb))
		return nf_trace_fill_ll_header(nlskb, skb);

	off = skb_mac_header(skb) - skb->data;
	len = min_t(unsigned int, -off, NFT_TRACETYPE_LL_HSIZE);
	return trace_fill_header(nlskb, NFTA_TRACE_LL_HEADER,
				 skb, off, len);
}

Beispiel #2

Datei: nf_tables_trace.c Projekt: acton393/linux

static int nf_trace_fill_pkt_info(struct sk_buff *nlskb,
				  const struct nft_pktinfo *pkt)
{
	const struct sk_buff *skb = pkt->skb;
	int off = skb_network_offset(skb);
	unsigned int len, nh_end;

	nh_end = pkt->tprot_set ? pkt->xt.thoff : skb->len;
	len = min_t(unsigned int, nh_end - skb_network_offset(skb),
		    NFT_TRACETYPE_NETWORK_HSIZE);
	if (trace_fill_header(nlskb, NFTA_TRACE_NETWORK_HEADER, skb, off, len))
		return -1;

	if (pkt->tprot_set) {
		len = min_t(unsigned int, skb->len - pkt->xt.thoff,
			    NFT_TRACETYPE_TRANSPORT_HSIZE);
		if (trace_fill_header(nlskb, NFTA_TRACE_TRANSPORT_HEADER, skb,
				      pkt->xt.thoff, len))
			return -1;
	}