Lines Matching +full:xo +full:- +full:1
1 // SPDX-License-Identifier: GPL-2.0-only
38 if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP || in esp6_nexthdr_esp_offset()
39 ipv6_hdr->nexthdr == NEXTHDR_UDP)) in esp6_nexthdr_esp_offset()
44 if (exthdr->nexthdr == NEXTHDR_ESP) in esp6_nexthdr_esp_offset()
57 struct xfrm_offload *xo; in esp6_gro_receive() local
64 if (NAPI_GRO_CB(skb)->proto == IPPROTO_UDP) in esp6_gro_receive()
73 xo = xfrm_offload(skb); in esp6_gro_receive()
74 if (!xo || !(xo->flags & CRYPTO_DONE)) { in esp6_gro_receive()
80 if (sp->len == XFRM_MAX_DEPTH) in esp6_gro_receive()
83 x = xfrm_state_lookup(dev_net(skb->dev), skb->mark, in esp6_gro_receive()
84 (xfrm_address_t *)&ipv6_hdr(skb)->daddr, in esp6_gro_receive()
89 skb->mark = xfrm_smark_get(skb->mark, x); in esp6_gro_receive()
91 sp->xvec[sp->len++] = x; in esp6_gro_receive()
92 sp->olen++; in esp6_gro_receive()
94 xo = xfrm_offload(skb); in esp6_gro_receive()
95 if (!xo) in esp6_gro_receive()
99 xo->flags |= XFRM_GRO; in esp6_gro_receive()
105 IP6CB(skb)->nhoff = nhoff; in esp6_gro_receive()
106 XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL; in esp6_gro_receive()
107 XFRM_SPI_SKB_CB(skb)->family = AF_INET6; in esp6_gro_receive()
108 XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr); in esp6_gro_receive()
109 XFRM_SPI_SKB_CB(skb)->seq = seq; in esp6_gro_receive()
115 return ERR_PTR(-EINPROGRESS); in esp6_gro_receive()
120 NAPI_GRO_CB(skb)->same_flow = 0; in esp6_gro_receive()
121 NAPI_GRO_CB(skb)->flush = 1; in esp6_gro_receive()
130 struct xfrm_offload *xo = xfrm_offload(skb); in esp6_gso_encap() local
131 u8 proto = iph->nexthdr; in esp6_gso_encap()
133 skb_push(skb, -skb_network_offset(skb)); in esp6_gso_encap()
135 if (x->outer_mode.encap == XFRM_MODE_TRANSPORT) { in esp6_gso_encap()
144 esph->spi = x->id.spi; in esp6_gso_encap()
145 esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.low); in esp6_gso_encap()
147 xo->proto = proto; in esp6_gso_encap()
154 __be16 type = x->inner_mode.family == AF_INET ? htons(ETH_P_IP) in xfrm6_tunnel_gso_segment()
165 struct sk_buff *segs = ERR_PTR(-EINVAL); in xfrm6_transport_gso_segment()
166 struct xfrm_offload *xo = xfrm_offload(skb); in xfrm6_transport_gso_segment() local
168 skb->transport_header += x->props.header_len; in xfrm6_transport_gso_segment()
169 ops = rcu_dereference(inet6_offloads[xo->proto]); in xfrm6_transport_gso_segment()
170 if (likely(ops && ops->callbacks.gso_segment)) in xfrm6_transport_gso_segment()
171 segs = ops->callbacks.gso_segment(skb, features); in xfrm6_transport_gso_segment()
180 struct xfrm_offload *xo = xfrm_offload(skb); in xfrm6_beet_gso_segment() local
181 struct sk_buff *segs = ERR_PTR(-EINVAL); in xfrm6_beet_gso_segment()
183 u8 proto = xo->proto; in xfrm6_beet_gso_segment()
185 skb->transport_header += x->props.header_len; in xfrm6_beet_gso_segment()
187 if (x->sel.family != AF_INET6) { in xfrm6_beet_gso_segment()
188 skb->transport_header -= in xfrm6_beet_gso_segment()
189 (sizeof(struct ipv6hdr) - sizeof(struct iphdr)); in xfrm6_beet_gso_segment()
193 (struct ip_beet_phdr *)skb->data; in xfrm6_beet_gso_segment()
195 skb->transport_header += ph->hdrlen * 8; in xfrm6_beet_gso_segment()
196 proto = ph->nexthdr; in xfrm6_beet_gso_segment()
198 skb->transport_header -= IPV4_BEET_PHMAXLEN; in xfrm6_beet_gso_segment()
202 skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6; in xfrm6_beet_gso_segment()
206 skb->transport_header += in xfrm6_beet_gso_segment()
211 skb_shinfo(skb)->gso_type |= SKB_GSO_IPXIP6; in xfrm6_beet_gso_segment()
215 if (likely(ops && ops->callbacks.gso_segment)) in xfrm6_beet_gso_segment()
216 segs = ops->callbacks.gso_segment(skb, features); in xfrm6_beet_gso_segment()
225 switch (x->outer_mode.encap) { in xfrm6_outer_mode_gso_segment()
234 return ERR_PTR(-EOPNOTSUPP); in xfrm6_outer_mode_gso_segment()
244 struct xfrm_offload *xo = xfrm_offload(skb); in esp6_gso_segment() local
247 if (!xo) in esp6_gso_segment()
248 return ERR_PTR(-EINVAL); in esp6_gso_segment()
250 if (!(skb_shinfo(skb)->gso_type & SKB_GSO_ESP)) in esp6_gso_segment()
251 return ERR_PTR(-EINVAL); in esp6_gso_segment()
254 x = sp->xvec[sp->len - 1]; in esp6_gso_segment()
255 aead = x->data; in esp6_gso_segment()
258 if (esph->spi != x->id.spi) in esp6_gso_segment()
259 return ERR_PTR(-EINVAL); in esp6_gso_segment()
262 return ERR_PTR(-EINVAL); in esp6_gso_segment()
266 skb->encap_hdr_csum = 1; in esp6_gso_segment()
268 if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) in esp6_gso_segment()
275 xo->flags |= XFRM_GSO_SEGMENT; in esp6_gso_segment()
282 struct crypto_aead *aead = x->data; in esp6_input_tail()
283 struct xfrm_offload *xo = xfrm_offload(skb); in esp6_input_tail() local
286 return -EINVAL; in esp6_input_tail()
288 if (!(xo->flags & CRYPTO_DONE)) in esp6_input_tail()
289 skb->ip_summed = CHECKSUM_NONE; in esp6_input_tail()
300 struct xfrm_offload *xo; in esp6_xmit() local
308 xo = xfrm_offload(skb); in esp6_xmit()
310 if (!xo) in esp6_xmit()
311 return -EINVAL; in esp6_xmit()
313 if (!(features & NETIF_F_HW_ESP) || x->xso.dev != skb->dev) { in esp6_xmit()
314 xo->flags |= CRYPTO_FALLBACK; in esp6_xmit()
318 esp.proto = xo->proto; in esp6_xmit()
322 aead = x->data; in esp6_xmit()
329 esp.clen = ALIGN(skb->len + 2 + esp.tfclen, blksize); in esp6_xmit()
330 esp.plen = esp.clen - skb->len - esp.tfclen; in esp6_xmit()
339 seq = xo->seq.low; in esp6_xmit()
342 esp.esph->spi = x->id.spi; in esp6_xmit()
344 skb_push(skb, -skb_network_offset(skb)); in esp6_xmit()
346 if (xo->flags & XFRM_GSO_SEGMENT) { in esp6_xmit()
347 esp.esph->seq_no = htonl(seq); in esp6_xmit()
350 xo->seq.low++; in esp6_xmit()
352 xo->seq.low += skb_shinfo(skb)->gso_segs; in esp6_xmit()
355 if (xo->seq.low < seq) in esp6_xmit()
356 xo->seq.hi++; in esp6_xmit()
358 esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32)); in esp6_xmit()
360 len = skb->len - sizeof(struct ipv6hdr); in esp6_xmit()
364 ipv6_hdr(skb)->payload_len = htons(len); in esp6_xmit()
368 return -ENOMEM; in esp6_xmit()
370 xo = xfrm_offload(skb); in esp6_xmit()
371 if (!xo) in esp6_xmit()
372 return -EINVAL; in esp6_xmit()
374 xo->flags |= XFRM_XMIT; in esp6_xmit()
384 if (skb_needs_linearize(skb, skb->dev->features) && in esp6_xmit()
386 return -ENOMEM; in esp6_xmit()
409 return -EAGAIN; in esp6_offload_init()