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2024-01-12libmemif: fix segfault and buffer overflow in examplesTianyu Li1-1/+1
- Fix buffer overflow caused by strncpy(dst, src, strlen(src)), use sized buffer to ensure overflow safe. - Fix test_app getopt usage When use example/icmp_responder in slave mode - Fix segfault when buffer size is not specified - Fix wrong packet send out. Type: fix Signed-off-by: Tianyu Li <tianyu.li@arm.com> Change-Id: I5ed47fd8e630420d7ae0203a2605d2b9abd33d2a
2023-05-30libmemif: add testing applicationMohsin Kazmi1-1/+1
Type: test This application creates two memif interfaces which connect to an external application i.e. VPP. Usage: 1) Start VPP with following config. create interface memif id 0 master create interface memif id 1 master set int state memif0/0 up set int state memif0/1 up create packet-generator interface pg0 set int state pg0 up create packet-generator interface pg1 set int state pg1 up set int l2 xconn pg0 memif0/0 set int l2 xconn memif0/0 pg0 set int l2 xconn pg1 memif0/1 set int l2 xconn memif0/1 pg1 packet-generator new { \ name memif \ limit -1 \ node ethernet-input \ size 64-64 \ interface pg0 \ worker 0 \ data { \ IP4: 42:01:0a:00:00:0a -> 02:fe:4b:6e:4d:c1 \ UDP: 172.16.2.2 -> 172.16.0.2 \ UDP: 1234 -> 1234 \ length 30 checksum 0 incrementing 1 \ } \ } 2) Compile and Run the test_app in another terminal. mkdir -p extras/libmemif/build cd extras/libmemif/build cmake .. make sudo ./examples/test_app 3) Run in VPP cli vpp# packet enable 4) Run monitor to see the throughput and pps vpp# monitor interface memif0/0 Or vpp# monitor interface memif0/1 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I4b9062fca8ad3020225adb7b1b09e5d66b1a7d48
2022-08-29libmemif: add support for custom buffer-size and headroom in icmp example appMohsin Kazmi2-7/+11
Type: improvement Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I2bdaee7938a3747e3217d6901ec3c66f1ee3da61
2022-07-25libmemif: fix chain buffer supportMohsin Kazmi3-66/+36
Type: fix This patch fixes chain buffer support as transmit side missing to set the flag to the descriptor in case of chain buffers. Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com> Change-Id: I73ff11be69a388f14fea39a19272d8eb76148fba
2022-03-28libmemif: refactor examplesJakub Grajciar7-0/+1168
- icmp_responder: responds to ICMPv4 and ARP requests - loopback: connects two interfaces and sends a verification packet from master memif to slave memif where it is looped back - loopback (reverse path): reverses direction of packet in loopback application (slave memif to master memif) Type: refactor Signed-off-by: Jakub Grajciar <jgrajcia@cisco.com> Change-Id: Ie90aaa3367269408efb6c5d538ad5aa827432238 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>