/**
* fab_host_delete_inactive -
* @fab_ctx : fab context pointer
* @lkup_host : host instance
* @locked : flag to specify whether fab_ctx is already held or not
*
* Delete an inactive fabric host
*/
int
fab_host_delete_inactive(fab_struct_t *fab_ctx, fab_host_t *lkup_host,
bool locked)
{
fab_host_t *host;
int err = 0;
char *host_pstr;
if (!locked) c_wr_lock(&fab_ctx->lock);
if (!(host = g_hash_table_lookup(fab_ctx->inact_host_htbl, lkup_host))) {
c_log_err("%s: No such inactive host", FN);
err = -1;
goto done;
}
host_pstr = fab_dump_single_host(host);
c_log_err("%s: Inactive Host deleted %s", FN, host_pstr);
free(host_pstr);
if (host->tenant_nw) {
host->tenant_nw->host_list =
g_slist_remove(host->tenant_nw->host_list, host);
fab_tenant_nw_put(host->tenant_nw);
host->tenant_nw = NULL;
}
g_hash_table_remove(fab_ctx->inact_host_htbl, host);
done:
if (!locked) c_wr_unlock(&fab_ctx->lock);
return err;
}
/**
* mul_route_service_get -
*
* Get a handle to the routing service
*/
void *
mul_route_service_get(void)
{
void *ptr = NULL;
rt_apsp_t *rt_apsp_info;
int serv_fd;
c_log_debug("%s: ", FN);
if ((serv_fd = shm_open(MUL_TR_SERVICE_NAME, O_RDONLY, 0)) < 0) {
c_log_err("%s: Cant get service (unavailable)", FN);
return NULL;
}
perror("shm_open");
ptr = mmap(0, RT_APSP_BLOCK_SIZE, PROT_READ, MAP_SHARED, serv_fd, 0);
if (ptr == MAP_FAILED) {
c_log_err("%s: Cant get service (failed to map)", FN);
return NULL;
}
rt_apsp_info = calloc(1, sizeof(*rt_apsp_info));
if (!rt_apsp_info) {
c_log_err("%s: RT apsp info allocation fail", FN);
return NULL;
}
mul_route_init_block_meta(rt_apsp_info, ptr);
close(serv_fd);
return (void *)rt_apsp_info;
}
static int
c_service_clr_rcv_buf(mul_service_t *service)
{
char buf[1024];
int ret = 0;
int retries = 0;
if (service->conn.dead) {
return -1;
}
if (c_make_socket_nonblocking(service->conn.fd))
c_log_err("%s: Failed to set non-blocking", FN);
while(1) {
ret = recv(service->conn.fd, buf, 1024, MSG_DONTWAIT);
if (ret < 0) {
break;
}
if (retries++ >= 100) {
c_log_err("%s: noise on service(%s) conn",
FN, service->service_name);
ret = -1;
break;
}
}
if (c_make_socket_blocking(service->conn.fd))
c_log_err("%s: Failed to set blocking", FN);
return ret;
}
// Note:
// As main thread will be responsible for the handling
// Tying up the main thread to the worker context in the main thread
// is the key. The logic for the controller operates on ?
// So, once the information has been put into the ?? , then the logic
// can get the information from the c_switch_t->cmn_ctx where the
// hashtable stores the DPID and switch information
static int
c_thread_event_loop_lib_support(struct c_main_ctx *main_ctx)
{
c_switch_t *sw = NULL;
struct cbuf *b = NULL;
c_log_debug("%s: tid(%u)", __FUNCTION__, (unsigned int)pthread_self());
// instead of looping on the socket fd, the main thread
// will be looping on the cbuf.
// Not considering the application threads for now
//return event_base_dispatch(cmn_ctx->base);
// check cbuf
// get first message from buffer and begin the processing.
if(cbuf_list_queue_len(&ctrl_hdl.c_main_buf_head))
{
// Get the first message
b = cbuf_list_dequeue(&ctrl_hdl.c_main_buf_head);
}
if (!of_hdr_valid(b->data))
{
c_log_err("%s: Corrupted header", FN);
return 0; /* Close the socket */
}
// No need to allocate the worker thread
// Pass the main_ctx now. Previously, this was:
// sw = of_switch_alloc(c_wrk_ctx);
sw = of_switch_alloc(main_ctx);
of_switch_recv_msg(sw, b);
return 0;
}
/**
* @name fab_route_elem_valid
* @brief Check if a fabric route elem is valid
*/
static int
fab_route_elem_valid(void *rt_path_arg, void *route_arg)
{
rt_path_elem_t *rt_elem = rt_path_arg;
fab_switch_t *sw;
fab_route_t *froute = route_arg;
sw = __fab_switch_get_with_alias(fab_ctx, rt_elem->sw_alias);
if (!sw) {
goto route_inv_switch;
}
if ((rt_elem->flags & RT_PELEM_LAST_HOP)) {
if (!fab_port_valid(fab_ctx, sw, froute->dst->sw.port)) {
goto route_inv_port;
}
} else {
if (!fab_port_up(fab_ctx, sw, rt_elem->link.la)) {
goto route_inv_port;
}
}
fab_switch_put_locked(sw);
return 0;
route_inv_port:
fab_switch_put_locked(sw);
route_inv_switch:
c_log_err("%s: Route elem err", FN);
return -1;
}
/**
* @name mul_neigh_get -
* @brief Get a switch's neighbour info using TR service
* @param [in] service Pointer to the client's service
* @param [in] dpid datapath-id of the switch whose neighborhood
* info us required
* @retval struct cbuf * Pointer to the buffer response from the server
*
* This function uses auxillary mlapi type C_AUX_CMD_TR_GET_NEIGH
* Caller needs to free returned cbuf (if not NULL)
*/
struct cbuf *
mul_neigh_get(void *service, uint64_t dpid)
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_req_dpid_attr *cofp_rda;
struct ofp_header *h;
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd) +
sizeof(struct c_ofp_req_dpid_attr),
C_OFPT_AUX_CMD, 0);
cofp_auc = (void *)(b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_TR_GET_NEIGH);
cofp_rda = (void *)(cofp_auc->data);
cofp_rda->datapath_id = htonll(dpid);
c_service_send(service, b);
b = c_service_wait_response(service);
if (b) {
h = (void *)(b->data);
if (h->type == C_OFPT_ERR_MSG) {
c_log_err("%s: Failed", FN);
free_cbuf(b);
return NULL;
}
}
return b;
}
int
mul_cc_recv_pkt(uint64_t dp_id, uint8_t aux_id, void *of_msg, uint32_t msg_len)
{
struct cbuf *b = NULL;
if(cbuf_list_queue_len(&ctrl_hdl.c_main_buf_head) > 1024)
{
// Throw an error
c_log_err("Main thread buffer queue is full\n");
}
else
{
// Allocate
b = alloc_cbuf(msg_len);
if(b == NULL)
{
// Kajal: What else to log for a new connection
// chann_id.aux_id -- is of type uint64_t
// c_log_err("Buffer node could not be allocated dp-id:0x%x aux-id:0x%x\n",
// chann_id.dp_id, chann_id.aux_id);
//return 0;
}
// if_msg should be freed by library assuming that
// buffer should copy it.
memcpy(b->data, of_msg, msg_len);
// Insert buffer in queue
cbuf_list_queue_tail(&ctrl_hdl.c_main_buf_head, b);
}
return 0;
}
static void
__lldp_set_next_tr_timeo(time_t timeo)
{
time_t ctime = time(NULL);
if (!topo_hdl->tr->rt_timeo_set) {
topo_hdl->tr->rt.rt_next_trigger_ts = ctime + timeo;
topo_hdl->tr->rt_timeo_set = true;
c_log_err("%s: Topo routing set to expire at %lu",
FN, topo_hdl->tr->rt.rt_next_trigger_ts);
}
}
/**
* __lldp_init_neigh_pair_adjacencies -
*
* Send neigh connections betwenn two switches to routing module
* NOTE - lockless version expects locking by the caller
*/
void
__lldp_init_neigh_pair_adjacencies(tr_neigh_query_arg_t *arg)
{
topo_hdl_t *topo;
lldp_switch_t *from_sw, *to_sw;
lldp_neigh_t *neighbour;
int locked = 0;
if (!arg) {
c_log_err("%s: Invalid arg", FN);
return;
}
topo = arg->tr->topo_hdl;
from_sw = lldp_get_switch_from_imap(topo, arg->src_sw);
to_sw = lldp_get_switch_from_imap(topo, arg->dst_sw);
if (!from_sw || !to_sw) {
c_log_err("%s: NULL switch args", FN);
return;
}
locked = !c_rd_trylock(&from_sw->lock);
neighbour = g_hash_table_lookup(from_sw->neighbors, &to_sw->dpid);
if (!neighbour) {
if (locked) c_rd_unlock(&from_sw->lock);
//c_log_err("%s: lldp neigh %llx of %llx not found",
// FN, to_sw->dpid, from_sw->dpid);
return;
}
arg->src_dpid = from_sw->dpid;
arg->dst_dpid = to_sw->dpid;
lldp_traverse_all_neigh_ports(neighbour, lldp_send_rt_neigh_conn,
(void *)arg);
if (locked) c_rd_unlock(&from_sw->lock);
}
/**
* mul_route_service_alive -
* @service : Handle to the route service
*
* Checks status of routing service
*/
static bool
mul_route_service_alive(void *service)
{
rt_apsp_t *rt_apsp_info = service;
time_t curr_ts = time(NULL);
if (curr_ts >
(rt_apsp_info->state_info->serv_ts + (2*RT_HB_INTVL_SEC))) {
c_log_err("%s: %s not available", FN, MUL_TR_SERVICE_NAME);
return false;
}
return true;
}
/**
* @name fab_port_add_cb
* @brief switch port add notifier handler
* @ingroup Fabric Application
*
* @param [in] sw Pointer to infra switch pointer
* @param [in] port Pointer to infra port pointer
*
* @retval void Nothing
*
*/
static void
fab_port_add_cb(mul_switch_t *sw, mul_port_t *port)
{
fab_switch_t *fab_sw;
fab_sw = fab_switch_get(fab_ctx, sw->dpid);
if (!fab_sw) {
c_log_err("%s: Unknown switch (0x%llx)", FN, U642ULL(sw->dpid));
return;
}
fab_port_add(fab_ctx, fab_sw, port->port_no, port->config, port->state);
fab_activate_all_hosts_on_switch_port(fab_ctx, sw->dpid, port->port_no);
fab_switch_put(fab_sw);
}
c_app_info_t *
c_app_alloc(void *ctx)
{
c_app_info_t *app = NULL;
app = calloc(1, sizeof(c_app_info_t));
if (!app) {
c_log_err("%s: App alloc failed", FN);
return NULL;
}
app->ctx = ctx;
return app;
}
/**
* mul_route_list_dump -
*
*/
static void
mul_route_list_dump(rt_list_t *path_head)
{
rt_list_t *cur_path = path_head;
int i = 0;
char *dump_route;
while (cur_path) {
c_log_debug("List # %d", i++);
dump_route = mul_dump_route(cur_path->route);
c_log_err(" %s", dump_route);
if (dump_route) free(dump_route);
cur_path = cur_path->next;
}
}
/**
* @name fab_port_del_cb
* @brief switch port del notifier handler
* @ingroup Fabric Application
*
* @param [in] sw Pointer to infra switch pointer
* @param [in] port Pointer to infra port pointer
*
* @retval void Nothing
*
*/
static void
fab_port_del_cb(mul_switch_t *sw, mul_port_t *port)
{
fab_switch_t *fab_sw;
fab_sw = fab_switch_get(fab_ctx, sw->dpid);
if (!fab_sw) {
c_log_err("%s: Unknown switch (0x%llx)", FN, U642ULL(sw->dpid));
return;
}
fab_port_delete(fab_ctx, fab_sw, port->port_no);
fab_delete_routes_with_port(fab_ctx, sw->alias_id, port->port_no);
fab_switch_put(fab_sw);
}
/**
* @name fab_switch_add_notifier
* @brief switch add notifier handler
* @ingroup Fabric Application
*
* @param [in] sw Pointer to infra switch pointer
*
* @retval void Nothing
*
*/
static void
fab_switch_add_notifier(mul_switch_t *sw)
{
if (fab_switch_add(fab_ctx, sw->dpid, sw->alias_id)) {
c_log_err("%s: Failed", FN);
return;
}
fab_add_dhcp_tap_per_switch(NULL, sw->dpid);
if(fab_ctx->fab_learning == FAB_PROXY_ARP_ENABLED) {
fab_add_arp_tap_per_switch(NULL, sw->dpid);
}
else {
fab_add_all_flows_per_switch(sw->dpid);
}
}
static void
c_service_validity_timer(evutil_socket_t fd UNUSED, short event UNUSED,
void *arg)
{
mul_service_t *service = arg;
struct timeval tv = { 5, 0 };
if (service->conn.dead) return;
if (!mul_service_alive(service)) {
c_log_err("%s: service died", service->service_name);
return c_service_reconnect(service);
}
if (service->valid_timer_event)
evtimer_add(service->valid_timer_event, &tv);
}
/**
* tr_service_handler -
*
* Handler service requests
*/
static void
tr_service_handler(void *tr_service, struct cbuf *b)
{
struct c_ofp_auxapp_cmd *cofp_aac = (void *)(b->data);
if (ntohs(cofp_aac->header.length) < sizeof(struct c_ofp_auxapp_cmd)) {
c_log_err("%s: Size err (%u) of (%u)", FN,
ntohs(cofp_aac->header.length),
sizeof(struct c_ofp_auxapp_cmd));
return tr_service_error(tr_service, b, OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
switch(ntohl(cofp_aac->cmd_code)) {
case C_AUX_CMD_TR_GET_NEIGH:
return tr_service_request_neigh(tr_service, b, cofp_aac);
default:
tr_service_error(tr_service, b, OFPET_BAD_REQUEST, OFPBRC_BAD_GENERIC);
}
}
/**
* @name fab_port_chg
* @brief Application port change callback
*/
static void
fab_port_chg(mul_switch_t *sw, mul_port_t *port, bool adm, bool link)
{
fab_switch_t *fab_sw;
fab_sw = fab_switch_get(fab_ctx, sw->dpid);
if (!fab_sw) {
c_log_err("%s: Unknown switch (0x%llx)", FN, U642ULL(sw->dpid));
return;
}
fab_port_update(fab_ctx, fab_sw, port->port_no, port->config, port->state);
if (adm && link) {
fab_ctx->rt_scan_all_pending = true;
} else if (!adm || !link) {
fab_delete_routes_with_port(fab_ctx, sw->alias_id, port->port_no);
}
fab_switch_put(fab_sw);
}
/**
* mul_route_get -
* @rt_service : Handle to the route service
* @src_sw : Source node
* @dest_sw : Destination node
*
* Front-end api of routing service to get route from source to dest
* Applicable when users dont want multi-pathing support
*/
GSList *
mul_route_get(void *rt_service, int src_sw, int dest_sw)
{
rt_apsp_t *rt_apsp_info = rt_service;
if (!mul_route_service_alive(rt_service)) {
return 0;
}
if (src_sw < 0 || dest_sw < 0 ||
((src_sw != dest_sw) && (src_sw >= rt_apsp_info->state_info->nodes ||
dest_sw >= rt_apsp_info->state_info->nodes))) {
c_log_err("%s: src(%d) or dst(%d) out of range(%d)",
FN, src_sw, dest_sw, rt_apsp_info->state_info->nodes);
return NULL;
}
return mul_route_apsp_get_sp(rt_service, src_sw, dest_sw);
}
static int
c_worker_thread_run(struct c_worker_ctx *w_ctx)
{
switch(w_ctx->cmn_ctx.run_state) {
case THREAD_STATE_PRE_INIT:
signal(SIGPIPE, SIG_IGN);
w_ctx->cmn_ctx.run_state = THREAD_STATE_FINAL_INIT;
break;
case THREAD_STATE_FINAL_INIT:
return c_worker_thread_final_init(w_ctx);
case THREAD_STATE_RUNNING:
return c_thread_event_loop((void *)w_ctx);
default:
c_log_err("Unknown run state");
break;
}
return 0;
}
/**
* tr_service_request_neigh -
*
* Handle neigh request
*/
static void
tr_service_request_neigh(void *tr_service,
struct cbuf *req_b,
struct c_ofp_auxapp_cmd *cofp_aac)
{
struct cbuf *b;
c_ofp_req_dpid_attr_t *req_dpid = (void *)(cofp_aac->data);
if (ntohs(cofp_aac->header.length) < sizeof(*req_dpid)) {
c_log_err("%s: Size err (%u) of (%u)", FN,
ntohs(cofp_aac->header.length),
sizeof(*req_dpid));
return;
}
b = lldp_service_neigh_request(ntohll(req_dpid->datapath_id),
cofp_aac->header.xid);
if (b) {
c_service_send(tr_service, b);
} else {
tr_service_error(tr_service, req_b, OFPET_BAD_REQUEST, OFPBRC_BAD_DPID);
}
}
/**
* @name mul_dump_neigh -
* @brief Dump a switch's neighbour to a printable buffer
* @param [in] b struct cbuf buffer containing response from the server
* @param [in] free_bug flag to specify if buffer needs to be freed
*
* @retval char * Print buffer
*/
char *
mul_dump_neigh(struct cbuf *b, bool free_buf)
{
char *pbuf = calloc(1, TR_DFL_PBUF_SZ);
c_ofp_auxapp_cmd_t *cofp_auc = (void *)(b->data);
int num_ports, i = 0, len = 0;
struct c_ofp_port_neigh *port;
c_ofp_switch_neigh_t *neigh = (void *)(cofp_auc->data);
bool neigh_switch = false;
num_ports = (ntohs(cofp_auc->header.length) - (sizeof(c_ofp_switch_neigh_t)
+ sizeof(c_ofp_auxapp_cmd_t)))/ sizeof(struct c_ofp_port_neigh);
port = (void *)(neigh->data);
for (; i < num_ports; i++) {
neigh_switch = ntohs(port->neigh_present) & COFP_NEIGH_SWITCH ?
true: false;
len += snprintf(pbuf + len, TR_DFL_PBUF_SZ-len-1,
"%12u | %10s | 0x%10llx | %u\r\n",
ntohs(port->port_no), neigh_switch ? "SWITCH" : "EXT",
U642ULL(ntohll(port->neigh_dpid)),
ntohs(port->neigh_port));
if (len >= TR_DFL_PBUF_SZ-1) {
goto out_buf_err;
}
port++;
}
out:
if (free_buf) {
free_cbuf(b);
}
return pbuf;
out_buf_err:
c_log_err("%s: pbuf alloc failed", FN);
goto out;
}
static char *
mul_fabric_route_link_dump(struct c_ofp_route_link *rl, size_t n_links)
{
int i = 0 , len = 0;
char *pbuf = calloc(1, FAB_DFL_PBUF_SZ);
if (!pbuf) {
return NULL;
}
for (; i < n_links; i++) {
len += snprintf(pbuf+len, FAB_DFL_PBUF_SZ-len-1,
"Node(0x%llx):Link(%hu)",
ntohll(rl->datapath_id), ntohs(rl->src_link));
if (len >= FAB_DFL_PBUF_SZ-1) {
c_log_err("%s: print buf overrun", FN);
free(pbuf);
return NULL;
}
rl++;
}
return pbuf;
}
/**
* @name mul_conx_mod_uflow -
* @brief Add/Del a conx association for a user-supplied flow flow
* @param [in] add flag to specify add or del operation
* @param [in] n_dpid number of source dpids requested
* @param [in] src_dps list of source dpids
* @param [in] dst_dp Destination dpid
* @param [in] in_fl User-flow to match in incoming (source) switches
* @param [in] tunnel_key Tunnel-id if connection between src and dest is overlay
* @param [in] tunnel_type Tunnel-type (undefined for now)
* @param [in] actions Actions to be applied at the egress node
* @param [in] action_len Length of the actions
* @param [in] fl_flags Flow flags using which flow is to be installed in the core
* @param [in] conx_flags Mask of following flags -
* CONX_UFLOW_FORCE: Force to add all path-flows irrespective of
* failure in any path
* CONX_UFLOW_DFL: Install the user flow with default low priority *
* @retval int 0 for success or non-0 for failure
*/
int
mul_conx_mod_uflow(void *service,
bool add,
size_t n_dpid,
uint64_t *src_dps,
uint64_t dst_dp,
struct flow *in_fl,
struct flow *in_mask,
uint32_t tunnel_key,
uint32_t tunnel_type,
void *actions,
size_t action_len,
uint64_t fl_flags,
uint32_t conx_flags)
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_conx_user_flow *conx_fl;
int ret = 0;
int i = 0;
uint8_t zero_mac[6] = { 0, 0, 0, 0, 0, 0};
size_t ext_len = 0;
uint8_t *act_ptr = NULL;
uint64_t *src_dpid;
if (!service || n_dpid < 1 || n_dpid > 1024) return -1;
if (tunnel_type == CONX_TUNNEL_OF &&
(memcmp(in_mask->dl_dst, zero_mac, 6) ||
memcmp(in_mask->dl_src, zero_mac, 6))) {
c_log_err("uFlow can't use src-dst Mac match");
return -1;
}
if (of_check_flow_wildcard_generic(in_fl, in_mask)) {
c_log_debug("Conx add-uflow all-wc not allowed");
return -1;
}
ext_len = action_len + (sizeof(uint64_t)*n_dpid);
b = of_prep_msg(sizeof(*cofp_auc) + sizeof(*conx_fl) + ext_len,
C_OFPT_AUX_CMD, 0);
if (!b) return -1;
cofp_auc = CBUF_DATA(b);
cofp_auc->cmd_code = add ? htonl(C_AUX_CMD_CONX_ADD_UFLOW):
htonl(C_AUX_CMD_CONX_DEL_UFLOW);
conx_fl = ASSIGN_PTR(cofp_auc->data);
conx_fl->dst_dpid = htonll(dst_dp);
conx_fl->tunnel_key = htonl(tunnel_key); /* Overridden as tenant-id */
conx_fl->tunnel_type = htonl(tunnel_type);
conx_fl->app_cookie = htonl(c_app_main_hdl.app_cookie);
conx_fl->fl_flags = htonll(fl_flags);
conx_fl->conx_flags = htonl(conx_flags);
conx_fl->n_src = htonll(n_dpid);
memcpy(&conx_fl->flow, in_fl, sizeof(struct flow));
memcpy(&conx_fl->mask, in_mask, sizeof(struct flow));
src_dpid = ASSIGN_PTR(conx_fl->src_dpid_list);
for (i = 0; i < n_dpid; i++) {
src_dpid[i] = htonll(src_dps[i]);
}
if (add && action_len) {
act_ptr = INC_PTR8(conx_fl->src_dpid_list, sizeof(uint64_t)*n_dpid);
memcpy(act_ptr, actions, action_len);
}
c_service_send(service, b);
if (!(fl_flags & C_FL_NO_ACK)) {
b = c_service_wait_response(service);
if (b) {
cofp_auc = CBUF_DATA(b);
if (!c_check_reply_type(b, C_AUX_CMD_SUCCESS)) {
ret = 0;
}
free_cbuf(b);
}
}
return ret;
}
/**
* fab_host_delete -
* @fab_ctx: fab context pointer
* @dpid : switch dpid to the connected host
* @sw_alias : switch alias id to the connected host
* @fl : flow defining a host
* @locked : flag to specify whether fab_ctx is already held or not
* @deactivate : flag to specify whether to only deactivate not delete
*
* Delete a fabric host
*/
int
fab_host_delete(fab_struct_t *fab_ctx, struct flow *fl,
bool locked, bool deactivate, bool sync_ha)
{
fab_host_t *lkup_host, *host;
char *host_pstr;
int err = 0;
bool dont_free = false;
fab_port_t *port;
fab_switch_t *sw;
lkup_host = fab_host_create(0, 0, fl);
if (!locked) c_wr_lock(&fab_ctx->lock);
if (!(host = g_hash_table_lookup(fab_ctx->host_htbl, lkup_host))) {
if (!deactivate) {
err = fab_host_delete_inactive(fab_ctx, lkup_host, true);
} else {
c_log_err("%s: No active host", FN);
err = -1;
}
goto done;
}
host->dead = true;
__fab_host_route_delete(host, NULL, fab_ctx);
__fab_del_pending_routes_tofro_host(fab_ctx, host);
if (host->tenant_nw) {
host->tenant_nw->host_list =
g_slist_remove(host->tenant_nw->host_list, host);
fab_tenant_nw_put(host->tenant_nw);
host->tenant_nw = NULL;
}
if (deactivate) {
fab_host_clone_prop(lkup_host, host);
host_pstr = fab_dump_single_host(lkup_host);
c_log_err("%s: Host Active->Inactive %s", FN, host_pstr);
free(host_pstr);
fab_host_add_inactive(fab_ctx, lkup_host, true);
dont_free = true;
} else {
/* Force port off the host and hence its host ref */
if ((sw = __fab_switch_get(fab_ctx, host->sw.swid))) {
c_rd_lock(&sw->lock);
if ((port = __fab_port_find(fab_ctx, sw, host->sw.port)) &&
port->host == host) {
fab_host_put(port->host);
port->host = NULL;
}
fab_switch_put_locked(sw);
c_rd_unlock(&sw->lock);
}
host_pstr = fab_dump_single_host(lkup_host);
c_log_err("%s: Host Deleted %s", FN, host_pstr);
free(host_pstr);
}
g_hash_table_remove(fab_ctx->host_htbl, host);
done:
if (!locked) c_wr_unlock(&fab_ctx->lock);
if (!dont_free) fab_free(lkup_host);
return err;
}
/*
*
* mul_makdi_show_nfv_stats_all - return the every nfv ingress/egress port statistics
*
*/
void
mul_makdi_show_nfv_stats_all(void *service, void *arg, bool nbapi,
void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_switch_port_query *cofp_pq;
int n_nfvs = 0;
struct cbuf_head bufs;
int retries = 0;
char *pbuf;
if (!service)
return;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_NFV_STATS_ALL);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS) ||
!check_reply_type(b, C_AUX_CMD_MUL_SWITCH_PORT_QUERY)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_pq = (void *) (cofp_auc->data);
if (ntohs(cofp_auc->header.length) <
sizeof(*cofp_pq) + sizeof(*cofp_auc)) {
free_cbuf(b);
goto try_restart;
}
b = cbuf_realloc_headroom(b, 0, true);
cbuf_list_queue_tail(&bufs, b);
n_nfvs++;
} else {
goto try_restart;
}
}
while ((b = cbuf_list_dequeue(&bufs))) {
cofp_auc = (void *) (b->data);
cofp_pq = (void *) (cofp_auc->data);
if (nbapi) {
cb_fn(arg, cofp_pq);
} else {
pbuf = makdi_dump_port_stats(cofp_auc, cofp_pq);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
free_cbuf(b);
}
}
return;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ >= C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return;
}
/**
* mul_makdi_show_nfv -
*/
int mul_makdi_show_servicechain_default(void *service, void *arg, bool nbapi,
void (*cb_fn)(void *arg, void *pbuf)) {
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_default_rule_info *cofp_servicechain_default;
char *pbuf;
int n_services = 0;
struct cbuf_head bufs;
int retries = 0;
if (!service)
return -1;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_SHOW_DEFAULT_SERVICE);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS)
|| !check_reply_type(b, C_AUX_CMD_MAKDI_SHOW_DEFAULT_SERVICE)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_servicechain_default = (void *) (cofp_auc->data);
/* FIXME : Length missmtach, header.length == 2050
if (ntohs(cofp_nfv_group->header.length) < sizeof(*cofp_nfv_group))
{
free_cbuf(b);
goto try_restart;
}
*/
b = cbuf_realloc_headroom(b, 0, true);
cbuf_list_queue_tail(&bufs, b);
n_services++;
} else {
goto try_restart;
}
}
while ((b = cbuf_list_dequeue(&bufs))) {
cofp_auc = (void *) (b->data);
cofp_servicechain_default = (void *)(cofp_auc->data);
if (nbapi) {
cb_fn(arg, cofp_servicechain_default);
} else {
pbuf = makdi_dump_servicechain_default(
cofp_servicechain_default);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
free_cbuf(b);
}
}
return n_services;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ >= C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return 0;
}
/**
* mul_makdi_show_nfv -
*/
int mul_makdi_show_nfv(void *service, void *arg, bool dump_cmd,
void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_s_chain_nfv_group_info *cofp_nfv_group;
char *pbuf;
int n_groups = 0;
struct cbuf_head bufs;
int retries = 0;
if (!service)
return -1;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_SHOW_NFV);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS) ||
!check_reply_type(b, C_AUX_CMD_MAKDI_SHOW_NFV_GROUP)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_nfv_group = (void *) (cofp_auc->data);
if (ntohs(cofp_auc->header.length)
< sizeof(*cofp_nfv_group) + sizeof(*cofp_auc)) {
free_cbuf(b);
goto try_restart;
}
b = cbuf_realloc_headroom(b, 0, true);
cbuf_list_queue_tail(&bufs, b);
n_groups++;
} else {
goto try_restart;
break;
}
}
while ((b = cbuf_list_dequeue(&bufs))) {
cofp_auc = (void *) (b->data);
cofp_nfv_group = (void *)(cofp_auc->data);
if (dump_cmd) {
makdi_dump_nfv_groups_cmd(cofp_nfv_group, arg, cb_fn);
} else {
pbuf = makdi_dump_nfv_groups(cofp_nfv_group);
if (pbuf) {
cb_fn(arg, pbuf);
free(pbuf);
}
}
free_cbuf(b);
}
return n_groups;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ < C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return 0;
}
/*
* mul_makdi_show_user_stats_all -
*
* Return the every user statistics on service chain domain
*
*/
int mul_makdi_show_user_stats_all(void *service,
void *arg, bool nbapi, void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_user_stats_show *cofp_user_stats;
struct cbuf_head bufs;
int retries = 0;
int n_chains = 0;
if (!service)
return n_chains;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_USER_STATS_ALL);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS)
|| !check_reply_type(b, C_AUX_CMD_MAKDI_USER_STATS_ALL)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_user_stats = (void *) (cofp_auc->data);
n_chains++;
if (nbapi) {
cb_fn(arg, &cofp_user_stats->stats);
} else {
char *pbuf = calloc(1, SERV_CHAIN_PBUF_SZ);
uint8_t len = 0;
len += snprintf(pbuf + len, SERV_CHAIN_PBUF_SZ - len - 1, "User Flow : %sPacket_Count(%llu) : Byte_Count(%llu) : Bps(%s) : PPS(%s) \r\n",
of_dump_flow(&cofp_user_stats->stats.flow, 0),
U642ULL(ntohll(cofp_user_stats->stats.packet_count)),
U642ULL(ntohll(cofp_user_stats->stats.byte_count)),
cofp_user_stats->stats.bps, cofp_user_stats->stats.pps);
cb_fn(arg, pbuf);
free_cbuf(b);
free(pbuf);
}
} else {
goto try_restart;
}
}
return n_chains;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ >= C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return -1;
}
/*
* mul_makdi_show_service_stats_all -
*
* Return every service ingress/egress port statistics
*
*/
int mul_makdi_show_service_stats_all(void *service,
void *arg, bool nbapi,
void (*cb_fn)(void *arg, void *pbuf))
{
struct cbuf *b;
struct c_ofp_auxapp_cmd *cofp_auc;
struct c_ofp_service_stats_show *cofp_services;
struct cbuf_head bufs;
int retries = 0;
int n_chains = 0;
if (!service)
return n_chains;
cbuf_list_head_init(&bufs);
try_again:
b = of_prep_msg(sizeof(struct c_ofp_auxapp_cmd), C_OFPT_AUX_CMD, 0);
cofp_auc = (void *) (b->data);
cofp_auc->cmd_code = htonl(C_AUX_CMD_MAKDI_SERVICE_STATS_ALL);
c_service_send(service, b);
while (1) {
b = c_service_wait_response(service);
if (b) {
if (check_reply_type(b, C_AUX_CMD_SUCCESS) ||
!check_reply_type(b, C_AUX_CMD_MAKDI_SERVICE_STATS_ALL)) {
free_cbuf(b);
break;
}
cofp_auc = (void *) (b->data);
cofp_services = (void *) (cofp_auc->data);
if (ntohs(cofp_auc->header.length) <
sizeof(*cofp_services) + sizeof(*cofp_auc)) {
free_cbuf(b);
goto try_restart;
}
n_chains++;
if (nbapi) {
cb_fn(arg, &cofp_services->stats);
} else {
char *pbuf = calloc(1, SERV_CHAIN_PBUF_SZ);
uint8_t len = 0;
len += snprintf(pbuf + len, SERV_CHAIN_PBUF_SZ - len - 1,
"Service(%s) : User IP(0x%04x) : dpid(0x%016llx) :"
" vlan(%hu) : Packet_Count(%llu) : Byte_Count(%llu)"
" : Bps(%s) : PPS(%s) : Inport(%hu) \r\n",
cofp_services->service_name,
ntohl(cofp_services->stats.flow.ip.nw_src & 0xffffffff),
U642ULL(ntohll(cofp_services->stats.datapath_id)),
ntohs(cofp_services->stats.flow.dl_vlan),
U642ULL(ntohll(cofp_services->stats.packet_count)),
U642ULL(ntohll(cofp_services->stats.byte_count)),
cofp_services->stats.bps,
cofp_services->stats.pps,
ntohl(cofp_services->stats.flow.in_port));
cb_fn(arg, pbuf);
free_cbuf(b);
free(pbuf);
}
} else {
goto try_restart;
}
}
return n_chains;
try_restart:
cbuf_list_purge(&bufs);
if (retries++ >= C_SERV_RETRY_CNT) {
cbuf_list_purge(&bufs);
c_log_err("%s: Restarting serv msg", FN);
goto try_again;
}
c_log_err("%s: Can't restart serv msg", FN);
return 0;
}