diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -25,6 +25,7 @@ #include <time.h> #include <errno.h> #include <stdbool.h> +#include <linux/errqueue.h> #include "util.h" #include "iov.h" @@ -97,6 +98,14 @@ static int sock_l4_sa(const struct ctx *c, enum epoll_type type, if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &y, sizeof(y))) debug("Failed to set SO_REUSEADDR on socket %i", fd); + if (proto == IPPROTO_UDP) { + int level = af == AF_INET ? IPPROTO_IP : IPPROTO_IPV6; + int opt = af == AF_INET ? IP_RECVERR : IPV6_RECVERR; + + if (setsockopt(fd, level, opt, &y, sizeof(y))) + die_perror("Failed to set RECVERR on socket %i", fd); + } + if (ifname && *ifname) { /* Supported since kernel version 5.7, commit c427bfec18f2 * ("net: core: enable SO_BINDTODEVICE for non-root users"). If @@ -654,3 +663,23 @@ const char *sockaddr_ntop(const void *sa, char *dst, socklen_t size) return dst; } + +/** str_ee_origin() - Convert socket extended error origin to a string + * @ee: Socket extended error structure + * + * Return: Static string describing error origin + */ +const char *str_ee_origin(const struct sock_extended_err *ee) +{ + const char *const desc[] = { + [SO_EE_ORIGIN_NONE] = "<no origin>", + [SO_EE_ORIGIN_LOCAL] = "Local", + [SO_EE_ORIGIN_ICMP] = "ICMP", + [SO_EE_ORIGIN_ICMP6] = "ICMPv6", + }; + + if (ee->ee_origin < ARRAY_SIZE(desc)) + return desc[ee->ee_origin]; + + return "<invalid>"; +} |