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sharpd: add a command to send ARP/NDP requests

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Signed-off-by: Jakub Urbańczyk <xthaid@gmail.com>
This commit is contained in:
Jakub Urbańczyk 2020-08-06 13:33:47 +02:00
parent d68e74b41c
commit da187b7705
3 changed files with 54 additions and 0 deletions
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46
sharpd/sharp_vty.c
View File

@ -649,6 +649,51 @@ DEFPY (send_opaque_reg,
return CMD_SUCCESS; return CMD_SUCCESS;
} }
DEFPY (neigh_discover,
neigh_discover_cmd,
"sharp neigh discover [vrf NAME$vrf_name] <A.B.C.D$dst4|X:X::X:X$dst6> IFNAME$ifname",
SHARP_STR
"Discover neighbours\n"
"Send an ARP/NDP request\n"
VRF_CMD_HELP_STR
"v4 Destination address\n"
"v6 Destination address\n"
"Interface name\n")
{
struct vrf *vrf;
struct interface *ifp;
struct prefix prefix;
memset(&prefix, 0, sizeof(prefix));
if (dst4.s_addr != 0) {
prefix.family = AF_INET;
prefix.prefixlen = 32;
prefix.u.prefix4 = dst4;
} else {
prefix.family = AF_INET6;
prefix.prefixlen = 128;
prefix.u.prefix6 = dst6;
}
vrf = vrf_lookup_by_name(vrf_name ? vrf_name : VRF_DEFAULT_NAME);
if (!vrf) {
vty_out(vty, "The vrf NAME specified: %s does not exist\n",
vrf_name ? vrf_name : VRF_DEFAULT_NAME);
return CMD_WARNING;
}
ifp = if_lookup_by_name_vrf(ifname, vrf);
if (ifp == NULL) {
vty_out(vty, "%% Can't find interface %s\n", ifname);
return CMD_WARNING;
}
sharp_zebra_send_arp(ifp, &prefix);
return CMD_SUCCESS;
}
void sharp_vty_init(void) void sharp_vty_init(void)
{ {
install_element(ENABLE_NODE, &install_routes_data_dump_cmd); install_element(ENABLE_NODE, &install_routes_data_dump_cmd);
@ -666,6 +711,7 @@ void sharp_vty_init(void)
install_element(ENABLE_NODE, &send_opaque_cmd); install_element(ENABLE_NODE, &send_opaque_cmd);
install_element(ENABLE_NODE, &send_opaque_unicast_cmd); install_element(ENABLE_NODE, &send_opaque_unicast_cmd);
install_element(ENABLE_NODE, &send_opaque_reg_cmd); install_element(ENABLE_NODE, &send_opaque_reg_cmd);
install_element(ENABLE_NODE, &neigh_discover_cmd);
install_element(VIEW_NODE, &show_debugging_sharpd_cmd); install_element(VIEW_NODE, &show_debugging_sharpd_cmd);

5
sharpd/sharp_zebra.c
View File

@ -663,6 +663,11 @@ void sharp_opaque_reg_send(bool is_reg, uint32_t proto, uint32_t instance,
} }
void sharp_zebra_send_arp(const struct interface *ifp, const struct prefix *p)
{
zclient_send_neigh_discovery_req(zclient, ifp, p);
}
void sharp_zebra_init(void) void sharp_zebra_init(void)
{ {
struct zclient_options opt = {.receive_notify = true}; struct zclient_options opt = {.receive_notify = true};

3
sharpd/sharp_zebra.h
View File

@ -58,4 +58,7 @@ void sharp_opaque_send(uint32_t type, uint32_t proto, uint32_t instance,
void sharp_opaque_reg_send(bool is_reg, uint32_t proto, uint32_t instance, void sharp_opaque_reg_send(bool is_reg, uint32_t proto, uint32_t instance,
uint32_t session_id, uint32_t type); uint32_t session_id, uint32_t type);
extern void sharp_zebra_send_arp(const struct interface *ifp,
const struct prefix *p);
#endif #endif