We think VPP uses DPDK for data receive from nic, but it seems no dpdk lib exist in vpp project. we also try to use readelf to check the libs used by vpp, or use strings check the functions in each lib. We did not find how dpdk is used. So can you please give some guide, how does vpp link dpdk lib?
[root@PC-20180207IVMZ bin]# readelf -d ./vpp Dynamic section at offset 0xfcbc0 contains 38 entries: 0x0000000000000001 (NEEDED) [libvlibmemory.so.19.08] 0x0000000000000001 (NEEDED) [libvnet.so.19.08] 0x0000000000000001 (NEEDED) [libdl.so.2] 0x0000000000000001 (NEEDED) [libvlib.so.19.08] 0x0000000000000001 (NEEDED) [libsvm.so.19.08] 0x0000000000000001 (NEEDED) [librt.so.1] 0x0000000000000001 (NEEDED) [libpthread.so.0] 0x0000000000000001 (NEEDED) [libuuid.so.1] 0x0000000000000001 (NEEDED) [libvppinfra.so.19.08] 0x0000000000000001 (NEEDED) [libm.so.6] 0x0000000000000001 (NEEDED) [libssl.so.10] 0x0000000000000001 (NEEDED) [libcrypto.so.10] 0x0000000000000001 (NEEDED) [libc.so.6] 0x0000000000000001 (NEEDED) [ld-linux-x86-64.so.2] 0x000000000000000f (RPATH) Library rpath: [/home/lijinlei/LJL_VPP/vpp/build-root/build-vpp_debug-native/vpp/lib::] 0x000000000000000c (INIT) 0x405050 0x000000000000000d (FINI) 0x4cdb20 0x0000000000000019 (INIT_ARRAY) 0x6fca88 0x000000000000001b (INIT_ARRAYSZ) 160 (bytes) 0x000000000000001a (FINI_ARRAY) 0x6fcb28 0x000000000000001c (FINI_ARRAYSZ) 152 (bytes) 0x000000006ffffef5 (GNU_HASH) 0x400298 0x0000000000000005 (STRTAB) 0x402420 0x0000000000000006 (SYMTAB) 0x400698 0x000000000000000a (STRSZ) 5918 (bytes) 0x000000000000000b (SYMENT) 24 (bytes) 0x0000000000000015 (DEBUG) 0x0 0x0000000000000003 (PLTGOT) 0x6fd000 0x0000000000000002 (PLTRELSZ) 3384 (bytes) 0x0000000000000014 (PLTREL) RELA 0x0000000000000017 (JMPREL) 0x404318 0x0000000000000007 (RELA) 0x403e68 0x0000000000000008 (RELASZ) 1200 (bytes) 0x0000000000000009 (RELAENT) 24 (bytes) 0x000000006ffffffe (VERNEED) 0x403db8 0x000000006fffffff (VERNEEDNUM) 4 0x000000006ffffff0 (VERSYM) 0x403b3e 0x0000000000000000 (NULL) 0x0
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