diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-16 03:42:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 09:26:03 +0400 |
| commit | ddc7b8e32b22fe8b45d306b7d99472d4b560add6 (patch) | |
| tree | b332f3e1385230d666af36fd52c45f8b7ad1a18f /net/core/pktgen.c | |
| parent | 0a6114d94b6d6f82e81cb8e0d8b0d4cf50739fec (diff) | |
| download | linux-ddc7b8e32b22fe8b45d306b7d99472d4b560add6.tar.xz | |
[SK_BUFF]: Some more layer header conversions
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/pktgen.c')
| -rw-r--r-- | net/core/pktgen.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 160d4f01c46e..ae8cf9a285fd 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -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); |