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ipv6: Add support for setting ipv6 flow label.

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IPv6 Flow Label is currently read only. This patch adds support
to allow actions like actions=set_field:0x12345->ipv6_label.

The change to mf_set_flow_value() is a bug fix, but the bug was
not visible before the flow label was modifiable.

Signed-off-by: Pritesh Kothari <pritesh.kothari@cisco.com>
[blp@nicira.com added an item to NEWS]
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Pritesh Kothari
2015-01-12 17:46:49 -08:00
committed by Ben Pfaff
parent b13bfc3c11
commit 88cc95c1c6
4 changed files with 5 additions and 4 deletions
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1
NEWS
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@@ -22,6 +22,7 @@ Post-v2.3.0
commands are now redundant and will be removed in a future
release. See ovs-vswitchd(8) for details.
- OpenFlow:
* The IPv6 flow label field is now modifiable.
* OpenFlow 1.5 (draft) extended registers are now supported.
* The OpenFlow 1.5 (draft) actset_output field is now supported.
* OpenFlow 1.5 (draft) Copy-Field action is now supported.

2
lib/meta-flow.c
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@@ -1017,7 +1017,7 @@ mf_set_flow_value(const struct mf_field *mf,
break;
case MFF_IPV6_LABEL:
flow->ipv6_label = value->be32 & ~htonl(IPV6_LABEL_MASK);
flow->ipv6_label = value->be32 & htonl(IPV6_LABEL_MASK);
break;
case MFF_IP_PROTO:

2
lib/meta-flow.h
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@@ -904,7 +904,7 @@ enum OVS_PACKED_ENUM mf_field_id {
* Maskable: bitwise.
* Formatting: hexadecimal.
* Prerequisites: IPv6.
* Access: read-only.
* Access: read/write.
* NXM: NXM_NX_IPV6_LABEL(27) since v1.4.
* OXM: OXM_OF_IPV6_FLABEL(28) since OF1.2 and v1.7.
*/

4
tests/ofproto.at
View File

@@ -1380,7 +1380,7 @@ OVS_VSWITCHD_START
instructions: apply_actions,clear_actions,write_actions,write_metadata$goto
Write-Actions and Apply-Actions features:
actions: output group set_field strip_vlan push_vlan mod_nw_ttl dec_ttl set_mpls_ttl dec_mpls_ttl push_mpls pop_mpls set_queue
supported on Set-Field: metadata in_port_oxm eth_src eth_dst vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst ip_dscp nw_ecn arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst
supported on Set-Field: metadata in_port_oxm eth_src eth_dst vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst ipv6_label ip_dscp nw_ecn arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst
matching:
metadata: exact match or wildcard
in_port_oxm: exact match or wildcard
@@ -1465,7 +1465,7 @@ OVS_VSWITCHD_START
instructions: meter,apply_actions,clear_actions,write_actions,write_metadata$goto
Write-Actions and Apply-Actions features:
actions: output group set_field strip_vlan push_vlan mod_nw_ttl dec_ttl set_mpls_ttl dec_mpls_ttl push_mpls pop_mpls set_queue
supported on Set-Field: tun_id tun_src tun_dst metadata in_port in_port_oxm pkt_mark reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 xreg0 xreg1 xreg2 xreg3 eth_src eth_dst vlan_tci vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst nw_tos ip_dscp nw_ecn nw_ttl arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst
supported on Set-Field: tun_id tun_src tun_dst metadata in_port in_port_oxm pkt_mark reg0 reg1 reg2 reg3 reg4 reg5 reg6 reg7 xreg0 xreg1 xreg2 xreg3 eth_src eth_dst vlan_tci vlan_vid vlan_pcp mpls_label mpls_tc ip_src ip_dst ipv6_src ipv6_dst ipv6_label nw_tos ip_dscp nw_ecn nw_ttl arp_op arp_spa arp_tpa arp_sha arp_tha tcp_src tcp_dst udp_src udp_dst sctp_src sctp_dst
matching:
dp_hash: arbitrary mask
recirc_id: exact match or wildcard