On Thu, Jan 22, 2009 at 8:11 AM, Jan Engelhardt <jengelh@xxxxxxxxxx> wrote:
> Very well. But there still is another case I can think of -
> non-linear skb.
>
> struct tcphdr tcpbuf;
> const struct tcphdr *th;
>
> th = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(tcpbuf), &tcpbuf);
> if (th->psh && ntohs(tcp->dest) == 80) {
> char n[4];
>
> if (skb_copy_bits(skb, ip_hdrlen(skb) + 4*tcp->doff,
> n, sizeof(n)) >= 0)
> printk("data: %02x %02x %02x %02x\n", n[0], n[1],
> n[2], n[3]);
> }
Wouldn't
if ((skb_linearize(skb) != 0) && net_ratelimit())
printk("skb is non-linear, but failed to linearize");
be more preferable?
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