Lines Matching refs:esp
341 struct esp_info *esp, in esp6_output_udp_encap() argument
348 len = skb->len + esp->tailen - skb_transport_offset(skb); in esp6_output_udp_encap()
352 uh = (struct udphdr *)esp->esph; in esp6_output_udp_encap()
366 struct esp_info *esp) in esp6_output_tcp_encap() argument
368 __be16 *lenp = (void *)esp->esph; in esp6_output_tcp_encap()
373 len = skb->len + esp->tailen - skb_transport_offset(skb); in esp6_output_tcp_encap()
394 struct esp_info *esp) in esp6_output_tcp_encap() argument
401 struct esp_info *esp) in esp6_output_encap() argument
417 esph = esp6_output_udp_encap(skb, encap_type, esp, sport, dport); in esp6_output_encap()
420 esph = esp6_output_tcp_encap(x, skb, esp); in esp6_output_encap()
427 esp->esph = esph; in esp6_output_encap()
432 int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp) in esp6_output_head() argument
439 int tailen = esp->tailen; in esp6_output_head()
442 int err = esp6_output_encap(x, skb, esp); in esp6_output_head()
465 esp->inplace = false; in esp6_output_head()
481 esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto); in esp6_output_head()
506 esph_offset = (unsigned char *)esp->esph - skb_transport_header(skb); in esp6_output_head()
512 esp->esph = (struct ip_esp_hdr *)(skb_transport_header(skb) + esph_offset); in esp6_output_head()
515 esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto); in esp6_output_head()
523 int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp) in esp6_output_tail() argument
551 tmp = esp_alloc_tmp(aead, esp->nfrags + 2, extralen); in esp6_output_tail()
560 if (esp->inplace) in esp6_output_tail()
563 dsg = &sg[esp->nfrags]; in esp6_output_tail()
565 esph = esp_output_set_esn(skb, x, esp->esph, extra); in esp6_output_tail()
566 esp->esph = esph; in esp6_output_tail()
568 sg_init_table(sg, esp->nfrags); in esp6_output_tail()
571 assoclen + ivlen + esp->clen + alen); in esp6_output_tail()
575 if (!esp->inplace) { in esp6_output_tail()
599 assoclen + ivlen + esp->clen + alen); in esp6_output_tail()
609 aead_request_set_crypt(req, sg, dsg, ivlen + esp->clen, iv); in esp6_output_tail()
613 memcpy(iv + ivlen - min(ivlen, 8), (u8 *)&esp->seqno + 8 - min(ivlen, 8), in esp6_output_tail()
652 struct esp_info esp; in esp6_output() local
654 esp.inplace = true; in esp6_output()
656 esp.proto = *skb_mac_header(skb); in esp6_output()
664 esp.tfclen = 0; in esp6_output()
671 esp.tfclen = padto - skb->len; in esp6_output()
674 esp.clen = ALIGN(skb->len + 2 + esp.tfclen, blksize); in esp6_output()
675 esp.plen = esp.clen - skb->len - esp.tfclen; in esp6_output()
676 esp.tailen = esp.tfclen + esp.plen + alen; in esp6_output()
678 esp.esph = ip_esp_hdr(skb); in esp6_output()
680 esp.nfrags = esp6_output_head(x, skb, &esp); in esp6_output()
681 if (esp.nfrags < 0) in esp6_output()
682 return esp.nfrags; in esp6_output()
684 esph = esp.esph; in esp6_output()
688 esp.seqno = cpu_to_be64(XFRM_SKB_CB(skb)->seq.output.low + in esp6_output()
693 return esp6_output_tail(x, skb, &esp); in esp6_output()