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authorDave Barach <dbarach@cisco.com>2018-05-03 08:26:39 -0400
committerFlorin Coras <florin.coras@gmail.com>2018-05-04 15:15:22 +0000
commiteb987d3a09f669787014b1553f032219522149e1 (patch)
tree8d092c7368cfc2e02fc1869c6ded7410ad734392 /src/vnet/dpo/load_balance_map.h
parent432bf677c6decadd05e3edfe54c02b1d01b2c64e (diff)
Harmonize vec/pool_get_aligned object sizes and alignment requests
Object sizes must evenly divide alignment requests, or vice versa. Otherwise, only the first object will be aligned as requested. Three choices: add CLIB_CACHE_LINE_ALIGN_MARK(align_me) at the end of structures, manually pad to an even divisor or multiple of the alignment request, or use plain vectors/pools. static assert for enforcement. Change-Id: I41aa6ff1a58267301d32aaf4b9cd24678ac1c147 Signed-off-by: Dave Barach <dbarach@cisco.com>
Diffstat (limited to 'src/vnet/dpo/load_balance_map.h')
-rw-r--r--src/vnet/dpo/load_balance_map.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/dpo/load_balance_map.h b/src/vnet/dpo/load_balance_map.h
index f9344c01c1e..82dd36b41b1 100644
--- a/src/vnet/dpo/load_balance_map.h
+++ b/src/vnet/dpo/load_balance_map.h
@@ -29,6 +29,12 @@ struct load_balance_map_path_t_;
*/
typedef struct load_balance_map_t_ {
/**
+ * required for pool_get_aligned.
+ * memebers used in the switch path come first!
+ */
+ CLIB_CACHE_LINE_ALIGN_MARK(cacheline0);
+
+ /**
* The buckets of the map that provide the index to index translation.
* In the first cacheline.
*/