Attempting to use DPDK 18.11 with Monday's OVS commit that supports DPDK
18.11 (commit 03f3f9c0faf838a8506c3b5ce6199af401d13cb3). When building
OVS with DPDK support I'm receiving a build error related to libmnl not
being found while compiling the Mellanox driver as follows:
...
gcc -std=gnu99 -DHAVE_CONFIG_H -I. -I ./include -I ./include -I ./lib
-I ./lib -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 -Wshadow
-I/home/davec/src/p9-dpdk-perf/dpdk/ppc_64-power8-linuxapp-gcc/include
-D_FILE_OFFSET_BITS=64 -g -O2 -MT vswitchd/xenserver.o -MD -MP -MF
$depbase.Tpo -c -o vswitchd/xenserver.o vswitchd/xenserver.c &&\
mv -f $depbase.Tpo $depbase.Po
/bin/sh ./libtool --tag=CC --mode=link gcc -std=gnu99
-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 -Wshadow
-I/home/davec/src/p9-dpdk-perf/dpdk/ppc_64-power8-linuxapp-gcc/include
-D_FILE_OFFSET_BITS=64 -g -O2
-L/home/davec/src/p9-dpdk-perf/dpdk/ppc_64-power8-linuxapp-gcc/lib
-Wl,--whole-archive,-ldpdk,--no-whole-archive -o vswitchd/ovs-vswitchd
vswitchd/bridge.o vswitchd/ovs-vswitchd.o vswitchd/system-stats.o
vswitchd/xenserver.o ofproto/libofproto.la lib/libsflow.la
lib/libopenvswitch.la -ldpdk -ldl -lnuma -latomic -lpthread -lrt -lm -lnuma
libtool: link: gcc -std=gnu99 -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 -Wshadow
-I/home/davec/src/p9-dpdk-perf/dpdk/ppc_64-power8-linuxapp-gcc/include
-D_FILE_OFFSET_BITS=64 -g -O2 -Wl,--whole-archive -Wl,-ldpdk
-Wl,--no-whole-archive -o vswitchd/ovs-vswitchd vswitchd/bridge.o
vswitchd/ovs-vswitchd.o vswitchd/system-stats.o vswitchd/xenserver.o
-L/home/davec/src/p9-dpdk-perf/dpdk/ppc_64-power8-linuxapp-gcc/lib
ofproto/.libs/libofproto.a
/home/davec/src/p9-dpdk-perf/ovs/lib/.libs/libsflow.a
lib/.libs/libsflow.a lib/.libs/libopenvswitch.a -ldpdk -ldl -latomic
-lpthread -lrt -lm -lnuma
/home/davec/src/p9-dpdk-perf/dpdk/ppc_64-power8-linuxapp-gcc/lib/librte_pmd_mlx5.a(mlx5_flow_tcf.o):
In function `flow_tcf_nl_ack':
/home/davec/src/p9-dpdk-perf/dpdk/drivers/net/mlx5/mlx5_flow_tcf.c:3753:
undefined reference to `mnl_socket_get_portid'
/home/davec/src/p9-dpdk-perf/dpdk/drivers/net/mlx5/mlx5_flow_tcf.c:3765:
undefined reference to `mnl_socket_sendto'
/home/davec/src/p9-dpdk-perf/dpdk/drivers/net/mlx5/mlx5_flow_tcf.c:3777:
undefined reference to `mnl_socket_recvfrom'
/home/davec/src/p9-dpdk-perf/dpdk/drivers/net/mlx5/mlx5_flow_tcf.c:3790:
undefined reference to `mnl_cb_run'
/home/davec/src/p9-dpdk-perf/dpdk/drivers/net/mlx5/mlx5_flow_tcf.c:3777:
undefined reference to `mnl_socket_recvfrom'
...
Both the OVS and DPDK builds work individually but I receive the error
after running "./configure --with-dpdk=<DPDK target path>; make" to
build OVS with DPDK. I ran across this post on the DPDK list regarding
libmnl, indicating there is a dependency issue:
http://mails.dpdk.org/archives/dev/2018-July/108573.html
But DPDK builds successfully by itself. Any suggestions where the build
is breaking down?
Dave
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