Hi William,
I was conducting some datapath tests and thought I could quickly include some
af_xdp, but I ran into a build error.
As I’m not using AF_XDP normally, I did not further investigate, but it might
be something for you to look at:
/bin/sh ./libtool --tag=CC --mode=compile gcc
-DHAVE_CONFIG_H -I. -I/vagrant/ovs -I /vagrant/ovs/include -I ./include -I
/vagrant/ovs/lib -I ./lib -mavx512f -mavx512bw -mavx512dq -mbmi -mbmi2 -fPIC
-Wstrict-prototypes -Wall -Wextra -Wno-sign-compare -Wpointer-arith -Wformat
-Wformat-security -Wswitch-enum -Wunused-parameter -Wbad-function-cast
-Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
-Wmissing-field-initializers -fno-strict-aliasing -Wswitch-bool
-Wlogical-not-parentheses -Wsizeof-array-argument -Wbool-compare
-Wshift-negative-value -Wduplicated-cond -Wshadow -Wmultistatement-macros
-Wcast-align=strict -mssse3 -I/root/dpdk_build/install/include -include
rte_config.h -Werror -Werror -D_FILE_OFFSET_BITS=64 -g -O2 -msse4.2 -mpopcnt
-MT lib/libopenvswitchavx512_la-dpif-netdev-extract-avx512.lo -MD -MP -MF
lib/.deps/libopenvswitchavx512_la-dpif-netdev-extract-avx512.Tpo -c -o
lib/libopenvswitchavx512_la-dpif-netdev-extract-avx512.lo `test -f
'lib/dpif-netdev-extract-avx512.c' || echo
'/vagrant/ovs/'`lib/dpif-netdev-extract-avx512.c
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I/vagrant/ovs -I
/vagrant/ovs/include -I ./include -I /vagrant/ovs/lib -I ./lib -mavx512f
-mavx512bw -mavx512dq -mbmi -mbmi2 -fPIC -Wstrict-prototypes -Wall -Wextra
-Wno-sign-compare -Wpointer-arith -Wformat -Wformat-security -Wswitch-enum
-Wunused-parameter -Wbad-function-cast -Wcast-align -Wstrict-prototypes
-Wold-style-definition -Wmissing-prototypes -Wmissing-field-initializers
-fno-strict-aliasing -Wswitch-bool -Wlogical-not-parentheses
-Wsizeof-array-argument -Wbool-compare -Wshift-negative-value -Wduplicated-cond
-Wshadow -Wmultistatement-macros -Wcast-align=strict -mssse3
-I/root/dpdk_build/install/include -include rte_config.h -Werror -Werror
-D_FILE_OFFSET_BITS=64 -g -O2 -msse4.2 -mpopcnt -MT
lib/libopenvswitchavx512_la-dpif-netdev-extract-avx512.lo -MD -MP -MF
lib/.deps/libopenvswitchavx512_la-dpif-netdev-extract-avx512.Tpo -c
/vagrant/ovs/lib/dpif-netdev-extract-avx512.c -o
lib/libopenvswitchavx512_la-dpif-netdev-extract-avx512.o
In file included from
/vagrant/ovs/lib/netdev-linux-private.h:30,
from /vagrant/ovs/lib/netdev-afxdp.c:19:
In function ‘dp_packet_delete’,
inlined from ‘dp_packet_delete’ at
/vagrant/ovs/lib/dp-packet.h:242:1,
inlined from ‘dp_packet_batch_add__’ at
/vagrant/ovs/lib/dp-packet.h:773:9,
inlined from ‘dp_packet_batch_add’ at
/vagrant/ovs/lib/dp-packet.h:781:5,
inlined from ‘netdev_afxdp_rxq_recv’ at
/vagrant/ovs/lib/netdev-afxdp.c:872:9:
/vagrant/ovs/lib/dp-packet.h:258:9: error: ‘free’ called on
pointer ‘*umem.xpool.array’ with nonzero offset [64, 3458764513820540224]
[-Werror=free-nonheap-object]
258 | free(b);
| ^~~~~~~
cc1: all warnings being treated as errors
make[2]: *** [Makefile:4638: lib/netdev-afxdp.lo] Error 1
Cheers,
Eelco
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