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cfm: Move destination address to cfm.h

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Future patches will require the use of this information globally.
This commit is contained in:
Ethan Jackson
2011-03-22 14:28:22 -07:00
parent 3728652303
commit 15df7ea8d9
2 changed files with 6 additions and 3 deletions
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5
lib/cfm.c
View File

@@ -33,7 +33,6 @@
VLOG_DEFINE_THIS_MODULE(cfm);
#define CCM_OPCODE 1 /* CFM message opcode meaning CCM. */
#define DEST_ADDR UINT64_C(0x0180C2000030) /* MD level 0 CCM destination. */
struct cfm_internal {
struct cfm cfm;
@@ -125,7 +124,7 @@ compose_ccm(struct cfm_internal *cfmi)
eth = ofpbuf_put_zeros(packet, ETH_HEADER_LEN);
ccm = ofpbuf_put_zeros(packet, CCM_LEN);
eth_addr_from_uint64(DEST_ADDR, eth->eth_dst);
memcpy(eth->eth_dst, eth_addr_ccm, ETH_ADDR_LEN);
memcpy(eth->eth_src, cfmi->cfm.eth_src, sizeof eth->eth_src);
eth->eth_type = htons(ETH_TYPE_CFM);
@@ -370,7 +369,7 @@ bool
cfm_should_process_flow(const struct flow *flow)
{
return (ntohs(flow->dl_type) == ETH_TYPE_CFM
&& eth_addr_to_uint64(flow->dl_dst) == DEST_ADDR);
&& eth_addr_equals(flow->dl_dst, eth_addr_ccm));
}
/* Updates internal statistics relevant to packet 'p'. Should be called on

4
lib/cfm.h
View File

@@ -24,6 +24,10 @@
struct flow;
/* Ethernet destination address of CCM packets. */
static const uint8_t eth_addr_ccm[ETH_ADDR_LEN] OVS_UNUSED
= { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x30 };
/* A 'cfm' represent a local Maintenance Point (MP) and its Connectivity Fault
* Management (CFM) state machine. Its configuration variables should be set
* by clients of the CFM library. */