#include <vlibapi/api_helper_macros.h>
#include <vnet/ipsec/ipsec_punt.h>
-static vlib_log_class_t lcp_itf_pair_logger;
+vlib_log_class_t lcp_itf_pair_logger;
/**
* Pool of LIP objects
vec_add1 (lcp_itf_vfts, *lcp_itf_vft);
}
-#define LCP_ITF_PAIR_DBG(...) \
- vlib_log_notice (lcp_itf_pair_logger, __VA_ARGS__);
-
-#define LCP_ITF_PAIR_INFO(...) \
- vlib_log_notice (lcp_itf_pair_logger, __VA_ARGS__);
-
-#define LCP_ITF_PAIR_ERR(...) vlib_log_err (lcp_itf_pair_logger, __VA_ARGS__);
-
u8 *
format_lcp_itf_pair (u8 *s, va_list *args)
{
ns = lcp_get_default_ns ();
vlib_cli_output (vm, "lcp default netns '%s'\n",
ns ? (char *) ns : "<unset>");
+ vlib_cli_output (vm, "lcp lcp-auto-subint %s\n",
+ lcp_auto_subint () ? "on" : "off");
+ vlib_cli_output (vm, "lcp lcp-sync %s\n", lcp_sync () ? "on" : "off");
if (phy_sw_if_index == ~0)
{
{
if (!lcp_itf_pair_pool)
return NULL;
+ if (index == INDEX_INVALID)
+ return NULL;
return pool_elt_at_index (lcp_itf_pair_pool, index);
}
return INDEX_INVALID;
}
-int
-lcp_itf_pair_add_sub (u32 vif, u8 *host_if_name, u32 sub_sw_if_index,
- u32 phy_sw_if_index, u8 *ns)
-{
- lcp_itf_pair_t *lip;
-
- lip = lcp_itf_pair_get (lcp_itf_pair_find_by_phy (phy_sw_if_index));
- if (!lip)
- {
- LCP_ITF_PAIR_DBG ("lcp_itf_pair_add_sub: can't find LCP of parent %U",
- format_vnet_sw_if_index_name, vnet_get_main (),
- phy_sw_if_index);
- return VNET_API_ERROR_INVALID_SW_IF_INDEX;
- }
-
- return lcp_itf_pair_add (lip->lip_host_sw_if_index, sub_sw_if_index,
- host_if_name, vif, lip->lip_host_type, ns);
-}
-
const char *lcp_itf_l3_feat_names[N_LCP_ITF_HOST][N_AF] = {
[LCP_ITF_HOST_TAP] = {
[AF_IP4] = "linux-cp-xc-ip4",
index_t lipi;
lcp_itf_pair_t *lip;
+ if (host_sw_if_index == ~0)
+ {
+ LCP_ITF_PAIR_ERR ("pair_add: Cannot add LIP - invalid host");
+ return VNET_API_ERROR_INVALID_SW_IF_INDEX;
+ }
+
lipi = lcp_itf_pair_find_by_phy (phy_sw_if_index);
+ if (lipi != INDEX_INVALID)
+ return VNET_API_ERROR_VALUE_EXIST;
+
LCP_ITF_PAIR_INFO ("add: host:%U phy:%U, host_if:%v vif:%d ns:%s",
format_vnet_sw_if_index_name, vnet_get_main (),
host_sw_if_index, format_vnet_sw_if_index_name,
vnet_get_main (), phy_sw_if_index, host_name, host_index,
ns);
- if (lipi != INDEX_INVALID)
- return VNET_API_ERROR_VALUE_EXIST;
-
/*
* Create a new pair.
*/
lip->lip_vif_index = host_index;
lip->lip_namespace = vec_dup (ns);
- if (lip->lip_host_sw_if_index == ~0)
- return 0;
-
/*
* First use of this host interface.
* Enable the x-connect feature on the host to send
lip = lcp_itf_pair_get (lipi);
- LCP_ITF_PAIR_INFO ("pair delete: {%U, %U, %v}", format_vnet_sw_if_index_name,
- vnet_get_main (), lip->lip_phy_sw_if_index,
- format_vnet_sw_if_index_name, vnet_get_main (),
- lip->lip_host_sw_if_index, lip->lip_host_name);
+ LCP_ITF_PAIR_NOTICE (
+ "pair_del: host:%U phy:%U host_if:%s vif:%d ns:%s",
+ format_vnet_sw_if_index_name, vnet_get_main (), lip->lip_host_sw_if_index,
+ format_vnet_sw_if_index_name, vnet_get_main (), lip->lip_phy_sw_if_index,
+ lip->lip_host_name, lip->lip_vif_index, lip->lip_namespace);
/* invoke registered callbacks for pair deletion */
vec_foreach (vft, lcp_itf_vfts)
{
u32 host_sw_if_index;
lcp_itf_pair_t *lip;
- u8 *host_name;
+ u8 *host_name, *ns;
lip = lcp_itf_pair_get (lipi);
host_name = vec_dup (lip->lip_host_name);
host_sw_if_index = lip->lip_host_sw_if_index;
+ ns = vec_dup (lip->lip_namespace);
lcp_itf_pair_del (lip->lip_phy_sw_if_index);
if (vnet_sw_interface_is_sub (vnet_get_main (), host_sw_if_index))
{
+ int curr_ns_fd = -1;
+ int vif_ns_fd = -1;
+ if (ns)
+ {
+ curr_ns_fd = clib_netns_open (NULL /* self */);
+ vif_ns_fd = clib_netns_open ((u8 *) ns);
+ if (vif_ns_fd != -1)
+ clib_setns (vif_ns_fd);
+ }
+
lcp_netlink_del_link ((const char *) host_name);
+ if (vif_ns_fd != -1)
+ close (vif_ns_fd);
+
+ if (curr_ns_fd != -1)
+ {
+ clib_setns (curr_ns_fd);
+ close (curr_ns_fd);
+ }
+
vnet_delete_sub_interface (host_sw_if_index);
}
else
tap_delete_if (vlib_get_main (), host_sw_if_index);
vec_free (host_name);
+ vec_free (ns);
}
int
};
}
-typedef struct lcp_itf_pair_names_t_
-{
- u8 *lipn_host_name;
- u8 *lipn_phy_name;
- u8 *lipn_namespace;
- u32 lipn_phy_sw_if_index;
-} lcp_itf_pair_names_t;
-
-static lcp_itf_pair_names_t *lipn_names;
-
static clib_error_t *
lcp_itf_pair_config (vlib_main_t *vm, unformat_input_t *input)
{
- u8 *host, *phy;
- u8 *ns;
u8 *default_ns;
- host = phy = ns = default_ns = NULL;
+ default_ns = NULL;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- vec_reset_length (host);
-
- if (unformat (input, "pair %s %s %s", &phy, &host, &ns))
- {
- lcp_itf_pair_names_t *lipn;
-
- if (vec_len (ns) > LCP_NS_LEN)
- {
- return clib_error_return (0,
- "linux-cp namespace must"
- " be less than %d characters",
- LCP_NS_LEN);
- }
-
- vec_add2 (lipn_names, lipn, 1);
-
- lipn->lipn_host_name = vec_dup (host);
- lipn->lipn_phy_name = vec_dup (phy);
- lipn->lipn_namespace = vec_dup (ns);
- }
- else if (unformat (input, "pair %v %v", &phy, &host))
- {
- lcp_itf_pair_names_t *lipn;
-
- vec_add2 (lipn_names, lipn, 1);
-
- lipn->lipn_host_name = vec_dup (host);
- lipn->lipn_phy_name = vec_dup (phy);
- lipn->lipn_namespace = 0;
- }
- else if (unformat (input, "default netns %v", &default_ns))
+ if (unformat (input, "default netns %v", &default_ns))
{
vec_add1 (default_ns, 0);
if (lcp_set_default_ns (default_ns) < 0)
LCP_NS_LEN);
}
}
- else if (unformat (input, "interface-auto-create"))
- lcp_set_auto_intf (1 /* is_auto */);
+ else if (unformat (input, "lcp-auto-subint"))
+ lcp_set_auto_subint (1 /* is_auto */);
+ else if (unformat (input, "lcp-sync"))
+ lcp_set_sync (1 /* is_auto */);
else
return clib_error_return (0, "interfaces not found");
}
- vec_free (host);
- vec_free (phy);
vec_free (default_ns);
return NULL;
return 1;
}
-static void
+void
lcp_itf_set_link_state (const lcp_itf_pair_t *lip, u8 state)
{
int curr_ns_fd, vif_ns_fd;
clib_setns (vif_ns_fd);
}
+ /* Set the same link state on the netlink interface
+ */
vnet_netlink_set_link_state (lip->lip_vif_index, state);
if (vif_ns_fd != -1)
return;
}
+void
+lcp_itf_set_interface_addr (const lcp_itf_pair_t *lip)
+{
+ ip4_main_t *im4 = &ip4_main;
+ ip6_main_t *im6 = &ip6_main;
+ ip_lookup_main_t *lm4 = &im4->lookup_main;
+ ip_lookup_main_t *lm6 = &im6->lookup_main;
+ ip_interface_address_t *ia = 0;
+ int vif_ns_fd = -1;
+ int curr_ns_fd = -1;
+
+ if (!lip)
+ return;
+
+ if (lip->lip_namespace)
+ {
+ curr_ns_fd = clib_netns_open (NULL /* self */);
+ vif_ns_fd = clib_netns_open (lip->lip_namespace);
+ if (vif_ns_fd != -1)
+ clib_setns (vif_ns_fd);
+ }
+
+ /* Sync any IP4 addressing info into LCP */
+ foreach_ip_interface_address (
+ lm4, ia, lip->lip_phy_sw_if_index, 1 /* honor unnumbered */, ({
+ ip4_address_t *r4 = ip_interface_address_get_address (lm4, ia);
+ LCP_ITF_PAIR_NOTICE ("set_interface_addr: %U add ip4 %U/%d",
+ format_lcp_itf_pair, lip, format_ip4_address, r4,
+ ia->address_length);
+ vnet_netlink_add_ip4_addr (lip->lip_vif_index, r4, ia->address_length);
+ }));
+
+ /* Sync any IP6 addressing info into LCP */
+ foreach_ip_interface_address (
+ lm6, ia, lip->lip_phy_sw_if_index, 1 /* honor unnumbered */, ({
+ ip6_address_t *r6 = ip_interface_address_get_address (lm6, ia);
+ LCP_ITF_PAIR_NOTICE ("set_interface_addr: %U add ip6 %U/%d",
+ format_lcp_itf_pair, lip, format_ip6_address, r6,
+ ia->address_length);
+ vnet_netlink_add_ip6_addr (lip->lip_vif_index, r6, ia->address_length);
+ }));
+
+ if (vif_ns_fd != -1)
+ close (vif_ns_fd);
+
+ if (curr_ns_fd != -1)
+ {
+ clib_setns (curr_ns_fd);
+ close (curr_ns_fd);
+ }
+}
+
typedef struct
{
u32 vlan;
u16 vlan, proto;
u32 parent_vif_index;
- // TODO(pim) replace with vnet_sw_interface_supports_addressing()
- if (sw->type == VNET_SW_INTERFACE_TYPE_SUB &&
- sw->sub.eth.flags.exact_match == 0)
+ err = vnet_sw_interface_supports_addressing (vnm, phy_sw_if_index);
+ if (err)
{
LCP_ITF_PAIR_ERR ("pair_create: can't create LCP for a "
"sub-interface without exact-match set");
outer_vlan, inner_vlan, format_vnet_sw_if_index_name, vnm,
lip->lip_host_sw_if_index);
err = clib_error_return (
- 0, "failed to create tap subinti: %d.%d. on %U", outer_vlan,
+ 0, "failed to create tap subint: %d.%d. on %U", outer_vlan,
inner_vlan, format_vnet_sw_if_index_name, vnm,
lip->lip_host_sw_if_index);
}
return (0);
}
-static uword
-lcp_itf_pair_process (vlib_main_t *vm, vlib_node_runtime_t *rt,
- vlib_frame_t *f)
-{
- uword *event_data = 0;
- uword *lipn_index;
-
- while (1)
- {
- vlib_process_wait_for_event (vm);
-
- vlib_process_get_events (vm, &event_data);
-
- vec_foreach (lipn_index, event_data)
- {
- lcp_itf_pair_names_t *lipn;
-
- lipn = &lipn_names[*lipn_index];
- lcp_itf_pair_create (lipn->lipn_phy_sw_if_index,
- lipn->lipn_host_name, LCP_ITF_HOST_TAP,
- lipn->lipn_namespace, NULL);
- }
-
- vec_reset_length (event_data);
- }
-
- return 0;
-}
-
-VLIB_REGISTER_NODE (lcp_itf_pair_process_node, static) = {
- .function = lcp_itf_pair_process,
- .name = "linux-cp-itf-process",
- .type = VLIB_NODE_TYPE_PROCESS,
-};
-
-static clib_error_t *
-lcp_itf_phy_add (vnet_main_t *vnm, u32 sw_if_index, u32 is_create)
-{
- lcp_itf_pair_names_t *lipn;
- vlib_main_t *vm = vlib_get_main ();
- vnet_hw_interface_t *hw;
-
- if (!is_create || vnet_sw_interface_is_sub (vnm, sw_if_index))
- return NULL;
-
- hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
-
- vec_foreach (lipn, lipn_names)
- {
- if (!vec_cmp (hw->name, lipn->lipn_phy_name))
- {
- lipn->lipn_phy_sw_if_index = sw_if_index;
-
- vlib_process_signal_event (vm, lcp_itf_pair_process_node.index, 0,
- lipn - lipn_names);
- break;
- }
- }
-
- return NULL;
-}
-
-VNET_SW_INTERFACE_ADD_DEL_FUNCTION (lcp_itf_phy_add);
-
static clib_error_t *
lcp_itf_pair_link_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
{
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