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vswitchd: Log all tunnel parameters of given flow.

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Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Pravin B Shelar
2012-11-21 18:51:36 -08:00
parent 72e8bf28bb
commit 4fe3445afb
9 changed files with 434 additions and 55 deletions
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16
lib/ofp-util.c
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@@ -979,6 +979,16 @@ regs_fully_wildcarded(const struct flow_wildcards *wc)
return true;
}
static bool
tun_parms_fully_wildcarded(const struct flow_wildcards *wc)
{
return (!wc->masks.tunnel.ip_src &&
!wc->masks.tunnel.ip_dst &&
!wc->masks.tunnel.ip_ttl &&
!wc->masks.tunnel.ip_tos &&
!wc->masks.tunnel.flags);
}
/* Returns a bit-mask of ofputil_protocols that can be used for sending 'match'
* to a switch (e.g. to add or remove a flow). Only NXM can handle tunnel IDs,
* registers, or fixing the Ethernet multicast bit. Otherwise, it's better to
@@ -990,6 +1000,11 @@ ofputil_usable_protocols(const struct match *match)
BUILD_ASSERT_DECL(FLOW_WC_SEQ == 18);
/* tunnel params other than tun_id can't be sent in a flow_mod */
if (!tun_parms_fully_wildcarded(wc)) {
return OFPUTIL_P_NONE;
}
/* NXM, OXM, and OF1.1 support bitwise matching on ethernet addresses. */
if (!eth_mask_is_exact(wc->masks.dl_src)
&& !eth_addr_is_zero(wc->masks.dl_src)) {
@@ -1630,7 +1645,6 @@ ofputil_flow_mod_usable_protocols(const struct ofputil_flow_mod *fms,
usable_protocols &= OFPUTIL_P_OF10_NXM_ANY | OFPUTIL_P_OF12_OXM;
}
}
assert(usable_protocols);
return usable_protocols;
}