diff options
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_app.c')
-rw-r--r-- | net/netfilter/ipvs/ip_vs_app.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c index 1cb0e834f8ff..e76f87f4aca8 100644 --- a/net/netfilter/ipvs/ip_vs_app.c +++ b/net/netfilter/ipvs/ip_vs_app.c @@ -569,49 +569,6 @@ static const struct file_operations ip_vs_app_fops = { }; #endif - -/* - * Replace a segment of data with a new segment - */ -int ip_vs_skb_replace(struct sk_buff *skb, gfp_t pri, - char *o_buf, int o_len, char *n_buf, int n_len) -{ - int diff; - int o_offset; - int o_left; - - EnterFunction(9); - - diff = n_len - o_len; - o_offset = o_buf - (char *)skb->data; - /* The length of left data after o_buf+o_len in the skb data */ - o_left = skb->len - (o_offset + o_len); - - if (diff <= 0) { - memmove(o_buf + n_len, o_buf + o_len, o_left); - memcpy(o_buf, n_buf, n_len); - skb_trim(skb, skb->len + diff); - } else if (diff <= skb_tailroom(skb)) { - skb_put(skb, diff); - memmove(o_buf + n_len, o_buf + o_len, o_left); - memcpy(o_buf, n_buf, n_len); - } else { - if (pskb_expand_head(skb, skb_headroom(skb), diff, pri)) - return -ENOMEM; - skb_put(skb, diff); - memmove(skb->data + o_offset + n_len, - skb->data + o_offset + o_len, o_left); - skb_copy_to_linear_data_offset(skb, o_offset, n_buf, n_len); - } - - /* must update the iph total length here */ - ip_hdr(skb)->tot_len = htons(skb->len); - - LeaveFunction(9); - return 0; -} - - int __init ip_vs_app_init(void) { /* we will replace it with proc_net_ipvs_create() soon */ |