| /Linux-v4.19/net/ipv6/netfilter/ |
| D | ip6t_srh.c | 31 struct ipv6_sr_hdr *srh; in srh_mt6() local
37 srh = skb_header_pointer(skb, srhoff, sizeof(_srh), &_srh); in srh_mt6()
38 if (!srh) in srh_mt6()
41 hdrlen = ipv6_optlen(srh); in srh_mt6()
45 if (srh->type != IPV6_SRCRT_TYPE_4) in srh_mt6()
48 if (srh->segments_left > srh->first_segment) in srh_mt6()
54 !(srh->nexthdr == srhinfo->next_hdr))) in srh_mt6()
60 !(srh->hdrlen == srhinfo->hdr_len))) in srh_mt6()
65 !(srh->hdrlen > srhinfo->hdr_len))) in srh_mt6()
70 !(srh->hdrlen < srhinfo->hdr_len))) in srh_mt6()
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| D | Kconfig | 225 tristate '"srh" Segment Routing header match support'
228 srh matching allows you to match packets based on the segment
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| /Linux-v4.19/tools/testing/selftests/bpf/ |
| D | test_lwt_seg6local.c | 67 struct ip6_srh_t *srh; in get_srh() local
88 srh = cursor_advance(cursor, sizeof(*srh)); in get_srh()
89 if ((void *)srh + sizeof(*srh) > data_end) in get_srh()
92 if (srh->type != 4) in get_srh()
95 return srh; in get_srh()
129 int is_valid_tlv_boundary(struct __sk_buff *skb, struct ip6_srh_t *srh, in is_valid_tlv_boundary() argument
137 srh_off = (char *)srh - (char *)(long)skb->data; in is_valid_tlv_boundary()
139 cur_off = srh_off + sizeof(*srh) + in is_valid_tlv_boundary()
140 sizeof(struct ip6_addr_t) * (srh->first_segment + 1); in is_valid_tlv_boundary()
152 if (cur_off >= srh_off + ((srh->hdrlen + 1) << 3)) in is_valid_tlv_boundary()
[all …]
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| /Linux-v4.19/net/ipv6/ |
| D | seg6_local.c | 54 struct ipv6_sr_hdr *srh; member
73 struct ipv6_sr_hdr *srh; in get_srh() local
79 if (!pskb_may_pull(skb, srhoff + sizeof(*srh))) in get_srh()
82 srh = (struct ipv6_sr_hdr *)(skb->data + srhoff); in get_srh()
84 len = (srh->hdrlen + 1) << 3; in get_srh()
89 if (!seg6_validate_srh(srh, len)) in get_srh()
92 return srh; in get_srh()
97 struct ipv6_sr_hdr *srh; in get_and_validate_srh() local
99 srh = get_srh(skb); in get_and_validate_srh()
100 if (!srh) in get_and_validate_srh()
[all …]
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| D | seg6_hmac.c | 91 static struct sr6_tlv_hmac *seg6_get_tlv_hmac(struct ipv6_sr_hdr *srh) in seg6_get_tlv_hmac() argument
95 if (srh->hdrlen < (srh->first_segment + 1) * 2 + 5) in seg6_get_tlv_hmac()
98 if (!sr_has_hmac(srh)) in seg6_get_tlv_hmac()
102 ((char *)srh + ((srh->hdrlen + 1) << 3) - 40); in seg6_get_tlv_hmac()
249 struct ipv6_sr_hdr *srh; in seg6_hmac_validate_skb() local
254 srh = (struct ipv6_sr_hdr *)skb_transport_header(skb); in seg6_hmac_validate_skb()
256 tlv = seg6_get_tlv_hmac(srh); in seg6_hmac_validate_skb()
276 if (seg6_hmac_compute(hinfo, srh, &ipv6_hdr(skb)->saddr, hmac_output)) in seg6_hmac_validate_skb()
333 struct ipv6_sr_hdr *srh) in seg6_push_hmac() argument
339 tlv = seg6_get_tlv_hmac(srh); in seg6_push_hmac()
[all …]
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| D | seg6.c | 33 bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len) in seg6_validate_srh() argument
38 if (srh->type != IPV6_SRCRT_TYPE_4) in seg6_validate_srh()
41 if (((srh->hdrlen + 1) << 3) != len) in seg6_validate_srh()
44 if (srh->segments_left > srh->first_segment) in seg6_validate_srh()
47 tlv_offset = sizeof(*srh) + ((srh->first_segment + 1) << 4); in seg6_validate_srh()
60 tlv = (struct sr6_tlv *)((unsigned char *)srh + tlv_offset); in seg6_validate_srh()
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| D | seg6_iptunnel.c | 240 err = seg6_do_srh_inline(skb, tinfo->srh); in seg6_do_srh()
256 err = seg6_do_srh_encap(skb, tinfo->srh, proto); in seg6_do_srh()
274 err = seg6_do_srh_encap(skb, tinfo->srh, NEXTHDR_NONE); in seg6_do_srh()
431 if (!seg6_validate_srh(tuninfo->srh, tuninfo_len - sizeof(*tuninfo))) in seg6_build_state()
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| D | exthdrs.c | 1161 struct ipv6_sr_hdr *srh = (struct ipv6_sr_hdr *)opt->srcrt; in fl6_update_dst() local
1163 fl6->daddr = srh->segments[srh->segments_left]; in fl6_update_dst()
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| D | ipv6_sockglue.c | 454 struct ipv6_sr_hdr *srh = (struct ipv6_sr_hdr *) in do_ipv6_setsockopt() local
457 if (!seg6_validate_srh(srh, optlen)) in do_ipv6_setsockopt()
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| /Linux-v4.19/include/uapi/linux/ |
| D | seg6_iptunnel.h | 29 struct ipv6_sr_hdr srh[0]; member
32 #define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3))
56 return ((tuninfo->srh->hdrlen + 1) << 3) + head; in seg6_lwt_headroom()
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| D | seg6.h | 47 #define sr_has_hmac(srh) ((srh)->flags & SR6_FLAG1_HMAC) argument
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| /Linux-v4.19/tools/include/uapi/linux/ |
| D | seg6.h | 47 #define sr_has_hmac(srh) ((srh)->flags & SR6_FLAG1_HMAC) argument
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| /Linux-v4.19/include/net/ |
| D | seg6_local.h | 27 struct ipv6_sr_hdr *srh; member
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| D | seg6_hmac.h | 55 struct ipv6_sr_hdr *srh);
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| D | seg6.h | 66 extern bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len);
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| /Linux-v4.19/net/core/ |
| D | filter.c | 4543 struct ipv6_sr_hdr *srh = (struct ipv6_sr_hdr *)hdr; in bpf_push_seg6_encap() local
4545 if (!seg6_validate_srh(srh, len)) in bpf_push_seg6_encap()
4553 err = seg6_do_srh_inline(skb, srh); in bpf_push_seg6_encap()
4558 err = seg6_do_srh_encap(skb, srh, IPPROTO_IPV6); in bpf_push_seg6_encap()
4605 struct ipv6_sr_hdr *srh = srh_state->srh; in BPF_CALL_4() local
4609 if (srh == NULL) in BPF_CALL_4()
4612 srh_tlvs = (void *)((char *)srh + ((srh->first_segment + 1) << 4)); in BPF_CALL_4()
4613 srh_end = (void *)((char *)srh + sizeof(*srh) + srh_state->hdrlen); in BPF_CALL_4()
4618 else if (ptr < (void *)&srh->flags || in BPF_CALL_4()
4619 ptr + len > (void *)&srh->segments) in BPF_CALL_4()
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| /Linux-v4.19/Documentation/ide/ |
| D | ChangeLog.ide-cd.1994-2004 | 36 * Richard Hirst <srh@gpt.co.uk> for diagnosing this.
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