[ovs-dev] [multipath 8/7] flow: Increase number of registers to 4.
Ben Pfaff
blp at nicira.com
Fri Dec 17 00:01:00 UTC 2010
Requested-by: Teemu Koponen <koponen at nicira.com>
---
Here's another one for this series that I forgot about until now.
diff --git a/lib/flow.h b/lib/flow.h
index 03ad32c..ee460e3 100644
--- a/lib/flow.h
+++ b/lib/flow.h
@@ -32,7 +32,7 @@ struct flow_wildcards;
struct ofp_match;
struct ofpbuf;
-#define FLOW_N_REGS 3
+#define FLOW_N_REGS 4
BUILD_ASSERT_DECL(FLOW_N_REGS <= NXM_NX_MAX_REGS);
struct flow {
@@ -49,13 +49,12 @@ struct flow {
uint8_t dl_dst[6]; /* Ethernet destination address. */
uint8_t nw_proto; /* IP protocol or low 8 bits of ARP opcode. */
uint8_t nw_tos; /* IP ToS (DSCP field, 6 bits). */
- uint32_t reserved; /* Reserved for 64-bit packing. */
};
/* Assert that there are FLOW_SIG_SIZE bytes of significant data in "struct
* flow", followed by FLOW_PAD_SIZE bytes of padding. */
#define FLOW_SIG_SIZE (40 + FLOW_N_REGS * 4)
-#define FLOW_PAD_SIZE 4
+#define FLOW_PAD_SIZE 0
BUILD_ASSERT_DECL(offsetof(struct flow, nw_tos) == FLOW_SIG_SIZE - 1);
BUILD_ASSERT_DECL(sizeof(((struct flow *)0)->nw_tos) == 1);
BUILD_ASSERT_DECL(sizeof(struct flow) == FLOW_SIG_SIZE + FLOW_PAD_SIZE);
--
1.7.1
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