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flow: flow_extract() improperly parses IPv6 TOS bits.

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This problem could cause userspace to automatically evict IPv6
flows from the datapath which had TOS bits set.

Bug #8323.
This commit is contained in:
Ethan Jackson
2011-11-15 18:35:26 -08:00
parent 4094406ffd
commit 25cfd5cac3
1 changed files with 1 additions and 1 deletions
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2
lib/flow.c
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@@ -148,7 +148,7 @@ parse_ipv6(struct ofpbuf *packet, struct flow *flow)
flow->ipv6_dst = nh->ip6_dst;
tc_flow = get_unaligned_be32(&nh->ip6_flow);
flow->nw_tos = ntohl(tc_flow) >> 4;
flow->nw_tos = ntohl(tc_flow) >> 20;
flow->ipv6_label = tc_flow & htonl(IPV6_LABEL_MASK);
flow->nw_ttl = nh->ip6_hlim;
flow->nw_proto = IPPROTO_NONE;