dpif-netdev/mfex: Add AVX512 based optimized miniflow extract

This commit adds AVX512 implementations of miniflow extract. By using the 64 bytes available in an AVX512 register, it is possible to convert a packet to a miniflow data-structure in a small quantity instructions. The implementation here probes for Ether()/IP()/UDP() traffic, and builds the appropriate miniflow data-structure for packets that match the probe. The implementation here is auto-validated by the miniflow extract autovalidator, hence its correctness can be easily tested and verified. Note that this commit is designed to easily allow addition of new traffic profiles in a scalable way, without code duplication for each traffic profile. Signed-off-by: Harry van Haaren <[email protected]> Acked-by: Eelco Chaudron <[email protected]> Acked-by: Flavio Leitner <[email protected]> Signed-off-by: Ian Stokes <[email protected]>
stathiskaps · Jul 16, 2021 · 250cedd · 250cedd
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commit 250cedd
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diff --git a/lib/automake.mk b/lib/automake.mk
@@ -39,6 +39,7 @@ lib_libopenvswitchavx512_la_CFLAGS = \
 	$(AM_CFLAGS)
 lib_libopenvswitchavx512_la_SOURCES = \
 	lib/dpif-netdev-lookup-avx512-gather.c \
+	lib/dpif-netdev-extract-avx512.c \
 	lib/dpif-netdev-avx512.c
 lib_libopenvswitchavx512_la_LDFLAGS = \
 	-static