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Add support for OpenFlow 1.4+ "importance" values.

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This patch enables a user to set importance for a new rule via add-flow
OF1.4+ in the OVS and display the same via dump-flows command OF1.4+.
The changes are made in accordance with OpenFlow 1.4 specs to implement
eviction on the basis of "importance".  This patch also enhances the
diff-flows & replace-flows CLI for addition of importance parameter in
a rule.

This doesn't actually implement eviction on the basis of importance, which
will happen in a later patch.

Signed-off-by: Rishi Bamba <rishi.bamba@tcs.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Rishi Bamba
2014-11-07 18:18:48 +05:30
committed by Ben Pfaff
parent 849d5648f6
commit ca26eb4437
16 changed files with 129 additions and 6 deletions
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6
lib/ofp-parse.c
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@@ -248,6 +248,7 @@ parse_ofp_str__(struct ofputil_flow_mod *fm, int command, char *string,
enum {
F_OUT_PORT = 1 << 0,
F_ACTIONS = 1 << 1,
F_IMPORTANCE = 1 << 2,
F_TIMEOUT = 1 << 3,
F_PRIORITY = 1 << 4,
F_FLAGS = 1 << 5,
@@ -264,7 +265,7 @@ parse_ofp_str__(struct ofputil_flow_mod *fm, int command, char *string,
break;
case OFPFC_ADD:
fields = F_ACTIONS | F_TIMEOUT | F_PRIORITY | F_FLAGS;
fields = F_ACTIONS | F_TIMEOUT | F_PRIORITY | F_FLAGS | F_IMPORTANCE;
break;
case OFPFC_DELETE:
@@ -305,6 +306,7 @@ parse_ofp_str__(struct ofputil_flow_mod *fm, int command, char *string,
fm->buffer_id = UINT32_MAX;
fm->out_port = OFPP_ANY;
fm->flags = 0;
fm->importance = 0;
fm->out_group = OFPG11_ANY;
fm->delete_reason = OFPRR_DELETE;
if (fields & F_ACTIONS) {
@@ -366,6 +368,8 @@ parse_ofp_str__(struct ofputil_flow_mod *fm, int command, char *string,
error = str_to_u16(value, name, &fm->idle_timeout);
} else if (fields & F_TIMEOUT && !strcmp(name, "hard_timeout")) {
error = str_to_u16(value, name, &fm->hard_timeout);
} else if (fields & F_IMPORTANCE && !strcmp(name, "importance")) {
error = str_to_u16(value, name, &fm->importance);
} else if (!strcmp(name, "cookie")) {
char *mask = strchr(value, '/');