Re: [PATCH v3 bpf-next 8/8] selftests/bpf: introduce XDP compliance test tool
From: Martin KaFai Lau <martin.lau@linux.dev>
Date: 2023-01-27 08:20:05
Also in:
bpf, intel-wired-lan
On 1/26/23 10:36 AM, sdf@google.com wrote:
quoted
+ sockfd = socket(AF_INET, SOCK_DGRAM, 0); + if (sockfd < 0) { + fprintf(stderr, "Failed to create echo socket\n"); + return -errno; + } + + err = setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &optval, + sizeof(optval)); + if (err < 0) { + fprintf(stderr, "Failed sockopt on echo socket\n"); + return -errno; + } + + err = bind(sockfd, (struct sockaddr *)&addr, sizeof(addr)); + if (err) { + fprintf(stderr, "Failed to bind echo socket\n"); + return -errno; + }IIRC, Martin mentioned IPv6 support in the previous version. Should we also make the userspace v6 aware by at least using AF_INET6 dualstack sockets? I feel like listening on inaddr_any with AF_INET6 should get us there without too much pain..
Yeah. Think about host that only has IPv6 address. A tool not supporting IPv6 is a no-go nowadays.