MTCP codebase added

mtcp-dpdk/README

+####
+DPDK
+#####
+
+COMPILE
+vim dpdk/config/common_linuxapp
+#@rinku ADD FOLL
+CONFIG_RTE_LIBRTE_MLX5_PMD=y
+ 
+In case of numa.h not found error
+sudo apt-get install libnuma-dev
+ 
+RUN
+ubuntu@linux:~/dpdk-stable-19.11.8/arm64-bluefield-linuxapp-gcc/build/app/test-pmd$ 
+sudo ./testpmd -w 03:00.1 -- -i -a
+OR
+sudo ./testpmd -- -i -a
+ 
+sudo ./testpmd  -- --nb-cores=2 -i
+testpmd> set fwd txonly
+testpmd> port start 0
+testpmd> port start 1
+testpmd> set eth-peer 0 0c:42:a1:df:ac:41
+testpmd> set eth-peer 1 0c:42:a1:df:ac:40
+testpmd> start
+testpmd> show port stats all
+
+################
+MTCP
+IRON OUT CODE ISSUES
+ubuntu@linux:~/dpdk-stable-19.11.8/arm64-bluefield-linuxapp-gcc/build/app/test-pmd$ sudo ./testpmd -w 03:00.1 -- -i -a
+ 
+ubuntu@linux:~/mtcp-devel$ sudo ./setup_mtcp_dpdk_env.sh /home/ubuntu/dpdk-stable-19.11.8
+ 
+export RTE_SDK=/home/ubuntu/dpdk-stable-19.11.8
+export RTE_TARGET=arm64-bluefield-linuxapp-gcc
+ 
+wget https://github.com/mtcp-stack/mtcp/archive/refs/heads/devel.zip
+ 
+core.c: In function ‘mtcp_create_context’:
+core.c:1332:4: error: ‘lcore_config’ undeclared (first use in this function)
+ 1332 |    lcore_config[master].ret = 0;
+ 
+ubuntu@linux:~/mtcp-devel$ vim mtcp/src/core.c
+                if (master == whichCoreID(cpu)) {
+                        //@rinku
+                        //lcore_config[master].ret = 0;
+                        //lcore_config[master].state = FINISHED;
+ 
+/usr/include/aarch64-linux-gnu/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ output may be truncated copying 1023 bytes from a string of length 1023 [-Werror=stringop-truncation]
+  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
+ 
+ubuntu@linux:~/mtcp-devel$ vim mtcp/src/config.c
+        //@rinku
+        //strncpy(optstr, line, MAX_OPTLINE_LEN - 1);
+        memcpy(optstr, line, MAX_OPTLINE_LEN - 1);
+ 
+ubuntu@linux:~/mtcp-devel$ vim mtcp/src/io_module.c 
+Comment the funct code for “probe_all_rte_devices” ; add return -1
+ 
+COMPILE
+ 
+export RTE_SDK=/home/ubuntu/dpdk-stable-19.11.8
+export RTE_TARGET=arm64-bluefield-linuxapp-gcc
+ 
+ubuntu@linux:~/mtcp-devel$ ./setup_mtcp_dpdk_env.sh [<path to $RTE_SDK>]
+export RTE_SDK=/home/ubuntu/dpdk-stable-19.11.8
+export RTE_TARGET=arm64-bluefield-linuxapp-gcc
+ubuntu@linux:~/mtcp-devel$./configure --with-dpdk-lib=$RTE_SDK/$RTE_TARGET CFLAGS="-DMAX_CPUS=8" //Specify the max cpus which will run MTCP; use --disable-hwcsum when working in virtualized environment
+ubuntu@linux:~/mtcp-devel$ make
+configure: error: Could not find gmp.h
+ 
+SOLUTION: sudo apt-get install libgmp-dev
+ 
+ 
+Check the configurations in apps/example
+epserver.conf for server-side configuration
+epwget.conf for client-side configuration
+ 
+Configure ~/mtcp-devel/apps/example/config/arp.conf
+Configure ~/mtcp-devel/apps/example/config/route.conf
+ 
+###### 
+RUN THE MTCP APP
+export RTE_SDK=/home/ubuntu/dpdk-stable-19.11.8
+export RTE_TARGET=arm64-bluefield-linuxapp-gcc
+ 
+sudo ./epserver -p /home/ubuntu/www -f epserver.conf 
+sudo ./epwget 192.168.220.35/example.txt 10000000 -N 8 -c 10000 -f epwget.conf
+
+####### 
+REVERT BACK MTCP NIC CHANGES
+./setup_linux_env.sh [<path to $RTE_SDK>]
+