static inline void rpl_exit(void) {}
#endif
-size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri,
- unsigned char cmpre);
-
void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
const struct ipv6_rpl_sr_hdr *inhdr,
const struct in6_addr *daddr, unsigned char n);
skb_postpull_rcsum(skb, skb_network_header(skb),
skb_network_header_len(skb));
-
- if (!pskb_pull(skb, offset)) {
- kfree_skb(skb);
- return -1;
- }
+ skb_pull(skb, offset);
skb_postpull_rcsum(skb, skb_transport_header(skb),
offset);
return 1;
}
- if (!pskb_may_pull(skb, sizeof(*hdr))) {
- kfree_skb(skb);
- return -1;
- }
-
n = (hdr->hdrlen << 3) - hdr->pad - (16 - hdr->cmpre);
r = do_div(n, (16 - hdr->cmpri));
/* checks if calculation was without remainder and n fits into
return -1;
}
- if (!pskb_may_pull(skb, ipv6_rpl_srh_size(n, hdr->cmpri,
- hdr->cmpre))) {
- kfree_skb(skb);
- return -1;
- }
-
hdr->segments_left--;
i = n - hdr->segments_left;
return (void *)&hdr->rpl_segdata[i * IPV6_PFXTAIL_LEN(hdr->cmpri)];
}
-size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri,
- unsigned char cmpre)
-{
- return sizeof(struct ipv6_rpl_sr_hdr) + (n * IPV6_PFXTAIL_LEN(cmpri)) +
- IPV6_PFXTAIL_LEN(cmpre);
-}
-
void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr,
const struct ipv6_rpl_sr_hdr *inhdr,
const struct in6_addr *daddr, unsigned char n)