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openvswitch: Add SCTP support

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This patch adds support for rewriting SCTP src,dst ports similar to the
functionality already available for TCP/UDP.

Rewriting SCTP ports is expensive due to double-recalculation of the
SCTP checksums; this is performed to ensure that packets traversing OVS
with invalid checksums will continue to the destination with any
checksum corruption intact.

Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Joe Stringer
2013-08-22 12:30:48 -07:00
committed by Jesse Gross
parent 280c571e1a
commit a175a72330
6 changed files with 121 additions and 4 deletions
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6
net/openvswitch/datapath.c
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@@ -712,6 +712,12 @@ static int validate_set(const struct nlattr *a,
return validate_tp_port(flow_key);
case OVS_KEY_ATTR_SCTP:
if (flow_key->ip.proto != IPPROTO_SCTP)
return -EINVAL;
return validate_tp_port(flow_key);
default:
return -EINVAL;
}