Lines Matching defs:len

22 u64 dccp_decode_value_var(const u8 *bf, const u8 len)
26 if (len >= DCCP_OPTVAL_MAXLEN)
28 if (len > 4)
30 if (len > 3)
32 if (len > 2)
34 if (len > 1)
36 if (len > 0)
59 unsigned char opt, len;
68 opt = len = 0;
71 len = 0;
79 len = *opt_ptr++;
80 if (len < 2)
83 * Remove the type and len fields, leaving
86 len -= 2;
88 opt_ptr += len;
113 if (len > 6)
116 opt_recv->dccpor_ndp = dccp_decode_value_var(value, len);
123 if (len == 0)
126 *value, value + 1, len - 1);
131 if (len != 4)
160 if (len != 4 && len != 6 && len != 8)
166 dccp_pr_debug("%s rx opt: TIMESTAMP_ECHO=%u, len=%d, "
169 len + 2,
175 if (len == 4) { /* no elapsed time included */
180 if (len == 6) { /* 2-byte elapsed time */
198 if (len == 2) {
201 } else if (len == 4) {
216 pkt_type, opt, value, len))
231 pkt_type, opt, value, len))
235 DCCP_CRIT("DCCP(%p): option %d(len=%d) not "
236 "implemented, ignoring", sk, opt, len);
256 DCCP_WARN("DCCP(%p): Option %d (len=%d) error=%u\n", sk, opt, len, rc);
259 DCCP_SKB_CB(skb)->dccpd_reset_data[1] = len > 0 ? value[0] : 0;
260 DCCP_SKB_CB(skb)->dccpd_reset_data[2] = len > 1 ? value[1] : 0;
266 void dccp_encode_value_var(const u64 value, u8 *to, const u8 len)
268 if (len >= DCCP_OPTVAL_MAXLEN)
270 if (len > 4)
272 if (len > 3)
274 if (len > 2)
276 if (len > 1)
278 if (len > 0)
290 const void *value, const unsigned char len)
294 if (DCCP_SKB_CB(skb)->dccpd_opt_len + len + 2 > DCCP_MAX_OPT_LEN)
297 DCCP_SKB_CB(skb)->dccpd_opt_len += len + 2;
299 to = skb_push(skb, len + 2);
301 *to++ = len + 2;
303 memcpy(to, value, len);
322 const int len = ndp_len + 2;
324 if (DCCP_SKB_CB(skb)->dccpd_opt_len + len > DCCP_MAX_OPT_LEN)
327 DCCP_SKB_CB(skb)->dccpd_opt_len += len;
329 ptr = skb_push(skb, len);
331 *ptr++ = len;
358 u32 elapsed_time, elapsed_time_len, len;
371 len = 6 + elapsed_time_len;
373 if (DCCP_SKB_CB(skb)->dccpd_opt_len + len > DCCP_MAX_OPT_LEN)
376 DCCP_SKB_CB(skb)->dccpd_opt_len += len;
378 to = skb_push(skb, len);
380 *to++ = len;
404 u16 len = buflen + 2 * nr_opts;
409 if (dcb->dccpd_opt_len + len > DCCP_MAX_OPT_LEN) {
410 DCCP_WARN("Lacking space for %u bytes on %s packet\n", len,
419 if (len > DCCPAV_MIN_OPTLEN &&
420 len + dcb->dccpd_opt_len + skb->len > dp->dccps_mss_cache) {
422 "MPS=%u ==> reduce payload size?\n", len, skb->len,
427 dcb->dccpd_opt_len += len;
429 to = skb_push(skb, len);
430 len = buflen;
435 int copylen = len;
437 if (len > DCCP_SINGLE_OPT_MAXLEN)
455 len -= tailsize;
463 len -= copylen;
496 * @len: true length of @val in bytes (excluding first element repetition)
505 u8 *val, u8 len, bool repeat_first)
510 if (len > (DCCP_SINGLE_OPT_MAXLEN - 2)) {
511 DCCP_WARN("length %u for feature %u too large\n", len, feat);
515 if (unlikely(val == NULL || len == 0))
516 len = repeat_first = false;
517 tot_len = 3 + repeat_first + len;
532 if (len)
533 memcpy(to, val, len);