Lines Matching +full:xo +full:- +full:1
1 // SPDX-License-Identifier: GPL-2.0-only
35 if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP)) in esp6_nexthdr_esp_offset()
40 if (exthdr->nexthdr == NEXTHDR_ESP) in esp6_nexthdr_esp_offset()
53 struct xfrm_offload *xo; in esp6_gro_receive() local
66 xo = xfrm_offload(skb); in esp6_gro_receive()
67 if (!xo || !(xo->flags & CRYPTO_DONE)) { in esp6_gro_receive()
73 if (sp->len == XFRM_MAX_DEPTH) in esp6_gro_receive()
76 x = xfrm_state_lookup(dev_net(skb->dev), skb->mark, in esp6_gro_receive()
77 (xfrm_address_t *)&ipv6_hdr(skb)->daddr, in esp6_gro_receive()
82 skb->mark = xfrm_smark_get(skb->mark, x); in esp6_gro_receive()
84 sp->xvec[sp->len++] = x; in esp6_gro_receive()
85 sp->olen++; in esp6_gro_receive()
87 xo = xfrm_offload(skb); in esp6_gro_receive()
88 if (!xo) in esp6_gro_receive()
92 xo->flags |= XFRM_GRO; in esp6_gro_receive()
98 IP6CB(skb)->nhoff = nhoff; in esp6_gro_receive()
99 XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL; in esp6_gro_receive()
100 XFRM_SPI_SKB_CB(skb)->family = AF_INET6; in esp6_gro_receive()
101 XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr); in esp6_gro_receive()
102 XFRM_SPI_SKB_CB(skb)->seq = seq; in esp6_gro_receive()
106 xfrm_input(skb, IPPROTO_ESP, spi, -2); in esp6_gro_receive()
108 return ERR_PTR(-EINPROGRESS); in esp6_gro_receive()
113 NAPI_GRO_CB(skb)->same_flow = 0; in esp6_gro_receive()
114 NAPI_GRO_CB(skb)->flush = 1; in esp6_gro_receive()
123 struct xfrm_offload *xo = xfrm_offload(skb); in esp6_gso_encap() local
124 u8 proto = iph->nexthdr; in esp6_gso_encap()
126 skb_push(skb, -skb_network_offset(skb)); in esp6_gso_encap()
128 if (x->outer_mode.encap == XFRM_MODE_TRANSPORT) { in esp6_gso_encap()
137 esph->spi = x->id.spi; in esp6_gso_encap()
138 esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.low); in esp6_gso_encap()
140 xo->proto = proto; in esp6_gso_encap()
147 __skb_push(skb, skb->mac_len); in xfrm6_tunnel_gso_segment()
156 struct sk_buff *segs = ERR_PTR(-EINVAL); in xfrm6_transport_gso_segment()
157 struct xfrm_offload *xo = xfrm_offload(skb); in xfrm6_transport_gso_segment() local
159 skb->transport_header += x->props.header_len; in xfrm6_transport_gso_segment()
160 ops = rcu_dereference(inet6_offloads[xo->proto]); in xfrm6_transport_gso_segment()
161 if (likely(ops && ops->callbacks.gso_segment)) in xfrm6_transport_gso_segment()
162 segs = ops->callbacks.gso_segment(skb, features); in xfrm6_transport_gso_segment()
171 struct xfrm_offload *xo = xfrm_offload(skb); in xfrm6_beet_gso_segment() local
172 struct sk_buff *segs = ERR_PTR(-EINVAL); in xfrm6_beet_gso_segment()
174 u8 proto = xo->proto; in xfrm6_beet_gso_segment()
176 skb->transport_header += x->props.header_len; in xfrm6_beet_gso_segment()
178 if (x->sel.family != AF_INET6) { in xfrm6_beet_gso_segment()
179 skb->transport_header -= in xfrm6_beet_gso_segment()
180 (sizeof(struct ipv6hdr) - sizeof(struct iphdr)); in xfrm6_beet_gso_segment()
184 (struct ip_beet_phdr *)skb->data; in xfrm6_beet_gso_segment()
186 skb->transport_header += ph->hdrlen * 8; in xfrm6_beet_gso_segment()
187 proto = ph->nexthdr; in xfrm6_beet_gso_segment()
189 skb->transport_header -= IPV4_BEET_PHMAXLEN; in xfrm6_beet_gso_segment()
193 skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6; in xfrm6_beet_gso_segment()
197 skb->transport_header += in xfrm6_beet_gso_segment()
203 if (likely(ops && ops->callbacks.gso_segment)) in xfrm6_beet_gso_segment()
204 segs = ops->callbacks.gso_segment(skb, features); in xfrm6_beet_gso_segment()
213 switch (x->outer_mode.encap) { in xfrm6_outer_mode_gso_segment()
222 return ERR_PTR(-EOPNOTSUPP); in xfrm6_outer_mode_gso_segment()
232 struct xfrm_offload *xo = xfrm_offload(skb); in esp6_gso_segment() local
235 if (!xo) in esp6_gso_segment()
236 return ERR_PTR(-EINVAL); in esp6_gso_segment()
238 if (!(skb_shinfo(skb)->gso_type & SKB_GSO_ESP)) in esp6_gso_segment()
239 return ERR_PTR(-EINVAL); in esp6_gso_segment()
242 x = sp->xvec[sp->len - 1]; in esp6_gso_segment()
243 aead = x->data; in esp6_gso_segment()
246 if (esph->spi != x->id.spi) in esp6_gso_segment()
247 return ERR_PTR(-EINVAL); in esp6_gso_segment()
250 return ERR_PTR(-EINVAL); in esp6_gso_segment()
254 skb->encap_hdr_csum = 1; in esp6_gso_segment()
256 if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) in esp6_gso_segment()
263 xo->flags |= XFRM_GSO_SEGMENT; in esp6_gso_segment()
270 struct crypto_aead *aead = x->data; in esp6_input_tail()
271 struct xfrm_offload *xo = xfrm_offload(skb); in esp6_input_tail() local
274 return -EINVAL; in esp6_input_tail()
276 if (!(xo->flags & CRYPTO_DONE)) in esp6_input_tail()
277 skb->ip_summed = CHECKSUM_NONE; in esp6_input_tail()
288 struct xfrm_offload *xo; in esp6_xmit() local
296 xo = xfrm_offload(skb); in esp6_xmit()
298 if (!xo) in esp6_xmit()
299 return -EINVAL; in esp6_xmit()
301 if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) { in esp6_xmit()
302 xo->flags |= CRYPTO_FALLBACK; in esp6_xmit()
306 esp.proto = xo->proto; in esp6_xmit()
310 aead = x->data; in esp6_xmit()
317 esp.clen = ALIGN(skb->len + 2 + esp.tfclen, blksize); in esp6_xmit()
318 esp.plen = esp.clen - skb->len - esp.tfclen; in esp6_xmit()
327 seq = xo->seq.low; in esp6_xmit()
330 esp.esph->spi = x->id.spi; in esp6_xmit()
332 skb_push(skb, -skb_network_offset(skb)); in esp6_xmit()
334 if (xo->flags & XFRM_GSO_SEGMENT) { in esp6_xmit()
335 esp.esph->seq_no = htonl(seq); in esp6_xmit()
338 xo->seq.low++; in esp6_xmit()
340 xo->seq.low += skb_shinfo(skb)->gso_segs; in esp6_xmit()
343 esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32)); in esp6_xmit()
345 len = skb->len - sizeof(struct ipv6hdr); in esp6_xmit()
349 ipv6_hdr(skb)->payload_len = htons(len); in esp6_xmit()
353 return -ENOMEM; in esp6_xmit()
355 xo = xfrm_offload(skb); in esp6_xmit()
356 if (!xo) in esp6_xmit()
357 return -EINVAL; in esp6_xmit()
359 xo->flags |= XFRM_XMIT; in esp6_xmit()
392 return -EAGAIN; in esp6_offload_init()