diff options
author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-02-27 09:14:03 -0500 |
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committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-03-04 01:18:23 -0500 |
commit | 662397fd7aaa10afdbdc55a0bfdb7e9701454c27 (patch) | |
tree | 7bfc7866229b2d4042164d5dd0019c46575ecbc5 /net/ipv6/ipv6_sockglue.c | |
parent | db1ed684f6c430c4cdad67d058688b8a1b5e607c (diff) |
[IPV6]: Move packet_type{} related bits to af_inet6.c.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'net/ipv6/ipv6_sockglue.c')
-rw-r--r-- | net/ipv6/ipv6_sockglue.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 0a18fecb93d1..3bbfdff698d2 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c | |||
@@ -57,118 +57,6 @@ | |||
57 | 57 | ||
58 | DEFINE_SNMP_STAT(struct ipstats_mib, ipv6_statistics) __read_mostly; | 58 | DEFINE_SNMP_STAT(struct ipstats_mib, ipv6_statistics) __read_mostly; |
59 | 59 | ||
60 | static struct inet6_protocol *ipv6_gso_pull_exthdrs(struct sk_buff *skb, | ||
61 | int proto) | ||
62 | { | ||
63 | struct inet6_protocol *ops = NULL; | ||
64 | |||
65 | for (;;) { | ||
66 | struct ipv6_opt_hdr *opth; | ||
67 | int len; | ||
68 | |||
69 | if (proto != NEXTHDR_HOP) { | ||
70 | ops = rcu_dereference(inet6_protos[proto]); | ||
71 | |||
72 | if (unlikely(!ops)) | ||
73 | break; | ||
74 | |||
75 | if (!(ops->flags & INET6_PROTO_GSO_EXTHDR)) | ||
76 | break; | ||
77 | } | ||
78 | |||
79 | if (unlikely(!pskb_may_pull(skb, 8))) | ||
80 | break; | ||
81 | |||
82 | opth = (void *)skb->data; | ||
83 | len = opth->hdrlen * 8 + 8; | ||
84 | |||
85 | if (unlikely(!pskb_may_pull(skb, len))) | ||
86 | break; | ||
87 | |||
88 | proto = opth->nexthdr; | ||
89 | __skb_pull(skb, len); | ||
90 | } | ||
91 | |||
92 | return ops; | ||
93 | } | ||
94 | |||
95 | static int ipv6_gso_send_check(struct sk_buff *skb) | ||
96 | { | ||
97 | struct ipv6hdr *ipv6h; | ||
98 | struct inet6_protocol *ops; | ||
99 | int err = -EINVAL; | ||
100 | |||
101 | if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) | ||
102 | goto out; | ||
103 | |||
104 | ipv6h = ipv6_hdr(skb); | ||
105 | __skb_pull(skb, sizeof(*ipv6h)); | ||
106 | err = -EPROTONOSUPPORT; | ||
107 | |||
108 | rcu_read_lock(); | ||
109 | ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr); | ||
110 | if (likely(ops && ops->gso_send_check)) { | ||
111 | skb_reset_transport_header(skb); | ||
112 | err = ops->gso_send_check(skb); | ||
113 | } | ||
114 | rcu_read_unlock(); | ||
115 | |||
116 | out: | ||
117 | return err; | ||
118 | } | ||
119 | |||
120 | static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, int features) | ||
121 | { | ||
122 | struct sk_buff *segs = ERR_PTR(-EINVAL); | ||
123 | struct ipv6hdr *ipv6h; | ||
124 | struct inet6_protocol *ops; | ||
125 | |||
126 | if (!(features & NETIF_F_V6_CSUM)) | ||
127 | features &= ~NETIF_F_SG; | ||
128 | |||
129 | if (unlikely(skb_shinfo(skb)->gso_type & | ||
130 | ~(SKB_GSO_UDP | | ||
131 | SKB_GSO_DODGY | | ||
132 | SKB_GSO_TCP_ECN | | ||
133 | SKB_GSO_TCPV6 | | ||
134 | 0))) | ||
135 | goto out; | ||
136 | |||
137 | if (unlikely(!pskb_may_pull(skb, sizeof(*ipv6h)))) | ||
138 | goto out; | ||
139 | |||
140 | ipv6h = ipv6_hdr(skb); | ||
141 | __skb_pull(skb, sizeof(*ipv6h)); | ||
142 | segs = ERR_PTR(-EPROTONOSUPPORT); | ||
143 | |||
144 | rcu_read_lock(); | ||
145 | ops = ipv6_gso_pull_exthdrs(skb, ipv6h->nexthdr); | ||
146 | if (likely(ops && ops->gso_segment)) { | ||
147 | skb_reset_transport_header(skb); | ||
148 | segs = ops->gso_segment(skb, features); | ||
149 | } | ||
150 | rcu_read_unlock(); | ||
151 | |||
152 | if (unlikely(IS_ERR(segs))) | ||
153 | goto out; | ||
154 | |||
155 | for (skb = segs; skb; skb = skb->next) { | ||
156 | ipv6h = ipv6_hdr(skb); | ||
157 | ipv6h->payload_len = htons(skb->len - skb->mac_len - | ||
158 | sizeof(*ipv6h)); | ||
159 | } | ||
160 | |||
161 | out: | ||
162 | return segs; | ||
163 | } | ||
164 | |||
165 | static struct packet_type ipv6_packet_type = { | ||
166 | .type = __constant_htons(ETH_P_IPV6), | ||
167 | .func = ipv6_rcv, | ||
168 | .gso_send_check = ipv6_gso_send_check, | ||
169 | .gso_segment = ipv6_gso_segment, | ||
170 | }; | ||
171 | |||
172 | struct ip6_ra_chain *ip6_ra_chain; | 60 | struct ip6_ra_chain *ip6_ra_chain; |
173 | DEFINE_RWLOCK(ip6_ra_lock); | 61 | DEFINE_RWLOCK(ip6_ra_lock); |
174 | 62 | ||
@@ -1132,13 +1020,3 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname, | |||
1132 | EXPORT_SYMBOL(compat_ipv6_getsockopt); | 1020 | EXPORT_SYMBOL(compat_ipv6_getsockopt); |
1133 | #endif | 1021 | #endif |
1134 | 1022 | ||
1135 | int __init ipv6_packet_init(void) | ||
1136 | { | ||
1137 | dev_add_pack(&ipv6_packet_type); | ||
1138 | return 0; | ||
1139 | } | ||
1140 | |||
1141 | void ipv6_packet_cleanup(void) | ||
1142 | { | ||
1143 | dev_remove_pack(&ipv6_packet_type); | ||
1144 | } | ||