#define IFA_FLAGS (IFA_MULTICAST + 1)
#endif
-
#include <string.h>
#include <fcntl.h>
#include <glob.h>
system_set_dev_sysctl("/sys/class/net/%s/brport/unicast_flood", dev->ifname, val);
}
+static void system_set_sendredirects(struct device *dev, const char *val)
+{
+ system_set_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects", dev->ifname, val);
+}
+
static int system_get_sysctl(const char *path, char *buf, const size_t buf_sz)
{
int fd = -1, ret = -1;
dev->ifname, buf, buf_sz);
}
+static int system_get_sendredirects(struct device *dev, char *buf, const size_t buf_sz)
+{
+ return system_get_dev_sysctl("/proc/sys/net/ipv4/conf/%s/send_redirects",
+ dev->ifname, buf, buf_sz);
+}
+
// Evaluate netlink messages
static int cb_rtnl_event(struct nl_msg *msg, void *arg)
{
s->dadtransmits = strtoul(buf, NULL, 0);
s->flags |= DEV_OPT_DADTRANSMITS;
}
+
+ if (!system_get_sendredirects(dev, buf, sizeof(buf))) {
+ s->sendredirects = strtoul(buf, NULL, 0);
+ s->flags |= DEV_OPT_SENDREDIRECTS;
+ }
}
static void
!s->multicast ? IFF_MULTICAST : 0) < 0)
s->flags &= ~DEV_OPT_MULTICAST;
}
+ if (s->flags & DEV_OPT_SENDREDIRECTS & apply_mask)
+ system_set_sendredirects(dev, s->sendredirects ? "1" : "0");
system_if_apply_rps_xps(dev, s);
}
.rtm_dst_len = route->mask,
.rtm_src_len = route->sourcemask,
.rtm_table = (table < 256) ? table : RT_TABLE_UNSPEC,
- .rtm_protocol = (route->flags & DEVADDR_KERNEL) ? RTPROT_KERNEL : RTPROT_STATIC,
+ .rtm_protocol = (route->flags & DEVROUTE_PROTO) ? route->proto : RTPROT_STATIC,
.rtm_scope = RT_SCOPE_NOWHERE,
.rtm_type = (cmd == RTM_DELROUTE) ? 0: RTN_UNICAST,
.rtm_flags = (route->flags & DEVROUTE_ONLINK) ? RTNH_F_ONLINK : 0,
return system_rtn_aton(type, id);
}
+bool system_resolve_rt_proto(const char *type, unsigned int *id)
+{
+ FILE *f;
+ char *e, buf[128];
+ unsigned int n, proto = 256;
+
+ if ((n = strtoul(type, &e, 0)) >= 0 && !*e && e != type)
+ proto = n;
+ else if (!strcmp(type, "unspec"))
+ proto = RTPROT_UNSPEC;
+ else if (!strcmp(type, "kernel"))
+ proto = RTPROT_KERNEL;
+ else if (!strcmp(type, "boot"))
+ proto = RTPROT_BOOT;
+ else if (!strcmp(type, "static"))
+ proto = RTPROT_STATIC;
+ else if ((f = fopen("/etc/iproute2/rt_protos", "r")) != NULL) {
+ while (fgets(buf, sizeof(buf) - 1, f) != NULL) {
+ if ((e = strtok(buf, " \t\n")) == NULL || *e == '#')
+ continue;
+
+ n = strtoul(e, NULL, 10);
+ e = strtok(NULL, " \t\n");
+
+ if (e && !strcmp(e, type)) {
+ proto = n;
+ break;
+ }
+ }
+ fclose(f);
+ }
+
+ if (proto > 255)
+ return false;
+
+ *id = proto;
+ return true;
+}
+
bool system_resolve_rt_table(const char *name, unsigned int *id)
{
FILE *f;
uint32_t ikey = 0, okey = 0, flags = 0, flowinfo = 0;
uint16_t iflags = 0, oflags = 0;
uint8_t tos = 0;
- int ret = 0, ttl = 64;
+ int ret = 0, ttl = 0;
nlm = nlmsg_alloc_simple(RTM_NEWLINK, NLM_F_REQUEST | NLM_F_REPLACE | NLM_F_CREATE);
if (!nlm)
if ((cur = tb[TUNNEL_ATTR_TTL]))
ttl = blobmsg_get_u32(cur);
- nla_put_u8(nlm, IFLA_GRE_TTL, ttl);
-
if ((cur = tb[TUNNEL_ATTR_TOS])) {
char *str = blobmsg_get_string(cur);
if (strcmp(str, "inherit")) {
if (flags)
nla_put_u32(nlm, IFLA_GRE_FLAGS, flags);
+
+ if (!ttl)
+ ttl = 64;
} else {
struct in_addr inbuf;
bool set_df = true;
if ((cur = tb[TUNNEL_ATTR_DF]))
set_df = blobmsg_get_bool(cur);
- /* ttl !=0 and nopmtudisc are incompatible */
- if (ttl && !set_df) {
- ret = -EINVAL;
- goto failure;
- }
+ if (!set_df) {
+ /* ttl != 0 and nopmtudisc are incompatible */
+ if (ttl) {
+ ret = -EINVAL;
+ goto failure;
+ }
+ } else if (!ttl)
+ ttl = 64;
nla_put_u8(nlm, IFLA_GRE_PMTUDISC, set_df ? 1 : 0);
nla_put_u8(nlm, IFLA_GRE_TOS, tos);
}
+ if (ttl)
+ nla_put_u8(nlm, IFLA_GRE_TTL, ttl);
+
if (oflags)
nla_put_u16(nlm, IFLA_GRE_OFLAGS, oflags);