mir/ovs
2
0
Fork 0
mirror of https://github.com/openvswitch/ovs synced 2025-08-30 22:05:19 +00:00
Code Issues Releases Wiki Activity

Add support for matching Ethernet multicast frames.

Browse Source
This commit is contained in:
Ben Pfaff
2010-11-11 10:46:23 -08:00
parent b6c9e612fa
commit 1e37a2d751
8 changed files with 122 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
lib/classifier.c
View File

@@ -142,7 +142,7 @@ void
cls_rule_init_catchall(struct cls_rule *rule, unsigned int priority)
{
memset(&rule->flow, 0, sizeof rule->flow);
flow_wildcards_init(&rule->wc, OVSFW_ALL);
flow_wildcards_init(&rule->wc, OVSFW_ALL | FWW_ALL);
rule->priority = priority;
}
@@ -184,7 +184,7 @@ cls_rule_set_dl_src(struct cls_rule *rule, const uint8_t dl_src[ETH_ADDR_LEN])
void
cls_rule_set_dl_dst(struct cls_rule *rule, const uint8_t dl_dst[ETH_ADDR_LEN])
{
rule->wc.wildcards &= ~OFPFW_DL_DST;
rule->wc.wildcards &= ~(OFPFW_DL_DST | FWW_ETH_MCAST);
memcpy(rule->flow.dl_dst, dl_dst, ETH_ADDR_LEN);
}
@@ -828,7 +828,14 @@ flow_equal_except(const struct flow *a, const struct flow *b,
&& (wc & OFPFW_TP_SRC || a->tp_src == b->tp_src)
&& (wc & OFPFW_TP_DST || a->tp_dst == b->tp_dst)
&& (wc & OFPFW_DL_SRC || eth_addr_equals(a->dl_src, b->dl_src))
&& (wc & OFPFW_DL_DST || eth_addr_equals(a->dl_dst, b->dl_dst))
&& (wc & OFPFW_DL_DST
|| (!((a->dl_dst[0] ^ b->dl_dst[0]) & 0xfe)
&& a->dl_dst[1] == b->dl_dst[1]
&& a->dl_dst[2] == b->dl_dst[2]
&& a->dl_dst[3] == b->dl_dst[3]
&& a->dl_dst[4] == b->dl_dst[4]
&& a->dl_dst[5] == b->dl_dst[5]))
&& (wc & FWW_ETH_MCAST || !((a->dl_dst[0] ^ b->dl_dst[0]) & 0x01))
&& (wc & OFPFW_NW_PROTO || a->nw_proto == b->nw_proto)
&& (wc & OFPFW_DL_VLAN_PCP || a->dl_vlan_pcp == b->dl_vlan_pcp)
&& (wc & OFPFW_NW_TOS || a->nw_tos == b->nw_tos));
@@ -869,7 +876,11 @@ zero_wildcards(struct flow *flow, const struct flow_wildcards *wildcards)
memset(flow->dl_src, 0, sizeof flow->dl_src);
}
if (wc & OFPFW_DL_DST) {
memset(flow->dl_dst, 0, sizeof flow->dl_dst);
flow->dl_dst[0] &= 0x01;
memset(&flow->dl_dst[1], 0, 5);
}
if (wc & FWW_ETH_MCAST) {
flow->dl_dst[0] &= 0xfe;
}
if (wc & OFPFW_NW_PROTO) {
flow->nw_proto = 0;