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Commit ddc7b8e3 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
Browse files

[SK_BUFF]: Some more layer header conversions 



Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0a6114d9

net/core/pktgen.c

+18 −12
Original line number Diff line number Diff line
@@ -2357,8 +2357,12 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, 
		*vlan_encapsulated_proto = htons(ETH_P_IP);

	}



	iph = (struct iphdr *)skb_put(skb, sizeof(struct iphdr));

	udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr));

	skb_set_network_header(skb, skb->tail - skb->data);

	skb->h.raw = skb->nh.raw + sizeof(struct iphdr);

	skb_put(skb, sizeof(struct iphdr) + sizeof(struct udphdr));



	iph = ip_hdr(skb);

	udph = udp_hdr(skb);



	memcpy(eth, pkt_dev->hh, 12);

	*(__be16 *) & eth[12] = protocol;
@@ -2387,12 +2391,11 @@ static struct sk_buff *fill_packet_ipv4(struct net_device *odev, 
	iph->check = 0;

	iph->check = ip_fast_csum((void *)iph, iph->ihl);

	skb->protocol = protocol;

	skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32) -

		VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev);

	skb->mac.raw = (skb->nh.raw - ETH_HLEN -

			pkt_dev->nr_labels * sizeof(u32) -

			VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev));

	skb->dev = odev;

	skb->pkt_type = PACKET_HOST;

	skb->nh.raw = (unsigned char *)iph;

	skb->h.raw = (unsigned char *)udph;



	if (pkt_dev->nfrags <= 0)

		pgh = (struct pktgen_hdr *)skb_put(skb, datalen);
@@ -2693,8 +2696,12 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, 
		*vlan_encapsulated_proto = htons(ETH_P_IPV6);

	}



	iph = (struct ipv6hdr *)skb_put(skb, sizeof(struct ipv6hdr));

	udph = (struct udphdr *)skb_put(skb, sizeof(struct udphdr));

	skb_set_network_header(skb, skb->tail - skb->data);

	skb->h.raw = skb->nh.raw + sizeof(struct ipv6hdr);

	skb_put(skb, sizeof(struct ipv6hdr) + sizeof(struct udphdr));



	iph = ipv6_hdr(skb);

	udph = udp_hdr(skb);



	memcpy(eth, pkt_dev->hh, 12);

	*(__be16 *) & eth[12] = protocol;
@@ -2731,13 +2738,12 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, 
	ipv6_addr_copy(&iph->daddr, &pkt_dev->cur_in6_daddr);

	ipv6_addr_copy(&iph->saddr, &pkt_dev->cur_in6_saddr);



	skb->mac.raw = ((u8 *) iph) - 14 - pkt_dev->nr_labels*sizeof(u32) -

		VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev);

	skb->mac.raw = (skb->nh.raw - ETH_HLEN -

			pkt_dev->nr_labels * sizeof(u32) -

			VLAN_TAG_SIZE(pkt_dev) - SVLAN_TAG_SIZE(pkt_dev));

	skb->protocol = protocol;

	skb->dev = odev;

	skb->pkt_type = PACKET_HOST;

	skb->nh.raw = (unsigned char *)iph;

	skb->h.raw = (unsigned char *)udph;



	if (pkt_dev->nfrags <= 0)

		pgh = (struct pktgen_hdr *)skb_put(skb, datalen);

net/core/skbuff.c

+1 −1
Original line number Diff line number Diff line
@@ -1905,7 +1905,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features) 


		skb_reserve(nskb, headroom);

		skb_reset_mac_header(nskb);

		nskb->nh.raw = nskb->data + skb->mac_len;

		skb_set_network_header(nskb, skb->mac_len);

		nskb->h.raw = nskb->nh.raw + (skb->h.raw - skb->nh.raw);

		memcpy(skb_put(nskb, doffset), skb->data, doffset);

net/ipv4/ipmr.c

+2 −1
Original line number Diff line number Diff line
@@ -580,7 +580,8 @@ static int ipmr_cache_report(struct sk_buff *pkt, vifi_t vifi, int assert) 
	 *	Copy the IP header

	 */



	skb->nh.raw = skb_put(skb, ihl);

	skb_set_network_header(skb, skb->tail - skb->data);

	skb_put(skb, ihl);

	memcpy(skb->data,pkt->data,ihl);

	ip_hdr(skb)->protocol = 0;			/* Flag to the kernel this is a route add */

	msg = (struct igmpmsg *)skb_network_header(skb);

net/ipv6/xfrm6_mode_beet.c

+2 −1
Original line number Diff line number Diff line
@@ -41,7 +41,8 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb) 
	iph = ipv6_hdr(skb);



	hdr_len = ip6_find_1stfragopt(skb, &prevhdr);

	skb->nh.raw = prevhdr - x->props.header_len;

	skb_set_network_header(skb,

			       (prevhdr - x->props.header_len) - skb->data);

	skb_set_transport_header(skb, hdr_len);

	memmove(skb->data, iph, hdr_len);

net/ipv6/xfrm6_mode_ro.c

+2 −1
Original line number Diff line number Diff line
@@ -53,7 +53,8 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb) 
	iph = ipv6_hdr(skb);



	hdr_len = x->type->hdr_offset(x, skb, &prevhdr);

	skb->nh.raw = prevhdr - x->props.header_len;

	skb_set_network_header(skb,

			       (prevhdr - x->props.header_len) - skb->data);

	skb_set_transport_header(skb, hdr_len);

	memmove(skb->data, iph, hdr_len);

	return 0;