691 static int calipso_pad_write(unsigned char *buf, unsigned int offset,  in calipso_pad_write()  argument
701 		buf[offset] = IPV6_TLV_PAD1;  in calipso_pad_write()
704 		buf[offset] = IPV6_TLV_PADN;  in calipso_pad_write()
705 		buf[offset + 1] = count - 2;  in calipso_pad_write()
707 			memset(buf + offset + 2, 0, count - 2);  in calipso_pad_write()
812 static int calipso_tlv_len(struct ipv6_opt_hdr *opt, unsigned int offset)  in calipso_tlv_len()  argument
817 	if (offset < sizeof(*opt) || offset >= opt_len)  in calipso_tlv_len()
819 	if (tlv[offset] == IPV6_TLV_PAD1)  in calipso_tlv_len()
821 	if (offset + 1 >= opt_len)  in calipso_tlv_len()
823 	tlv_len = tlv[offset + 1] + 2;  in calipso_tlv_len()
824 	if (offset + tlv_len > opt_len)  in calipso_tlv_len()
854 	unsigned int opt_len, offset, offset_s = 0, offset_e = 0;  in calipso_opt_find()  local
858 	offset = sizeof(*hop);  in calipso_opt_find()
860 	while (offset < opt_len) {  in calipso_opt_find()
861 		tlv_len = calipso_tlv_len(hop, offset);  in calipso_opt_find()
865 		switch (opt[offset]) {  in calipso_opt_find()
869 				offset_e = offset;  in calipso_opt_find()
873 			offset_e = offset;  in calipso_opt_find()
877 				offset_s = offset;  in calipso_opt_find()
881 		offset += tlv_len;  in calipso_opt_find()
1079 	int opt_len, len, ret_val = -ENOMSG, offset;  in calipso_sock_getattr()  local
1089 	offset = sizeof(*hop);  in calipso_sock_getattr()
1090 	while (offset < opt_len) {  in calipso_sock_getattr()
1091 		len = calipso_tlv_len(hop, offset);  in calipso_sock_getattr()
1096 		switch (opt[offset]) {  in calipso_sock_getattr()
1101 				ret_val = calipso_opt_getattr(&opt[offset],  in calipso_sock_getattr()
1105 			offset += len;  in calipso_sock_getattr()
1274 	int offset;  in calipso_skbuff_optptr()  local
1279 	offset = ipv6_find_tlv(skb, sizeof(*ip6_hdr), IPV6_TLV_CALIPSO);  in calipso_skbuff_optptr()
1280 	if (offset >= 0)  in calipso_skbuff_optptr()
1281 		return (unsigned char *)ip6_hdr + offset;  in calipso_skbuff_optptr()