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Diffstat (limited to 'src/ipcpd/shim-eth-llc/main.c')
-rw-r--r--src/ipcpd/shim-eth-llc/main.c192
1 files changed, 69 insertions, 123 deletions
diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c
index 27456eb7..9a9e11b5 100644
--- a/src/ipcpd/shim-eth-llc/main.c
+++ b/src/ipcpd/shim-eth-llc/main.c
@@ -34,6 +34,7 @@
#include <ouroboros/fqueue.h>
#include <ouroboros/logs.h>
#include <ouroboros/time_utils.h>
+#include <ouroboros/hash.h>
#include "ipcp.h"
#include "shim_eth_llc_messages.pb-c.h"
@@ -248,11 +249,11 @@ static uint8_t reverse_bits(uint8_t b)
return b;
}
-static int eth_llc_ipcp_send_frame(uint8_t * dst_addr,
- uint8_t dsap,
- uint8_t ssap,
- uint8_t * payload,
- size_t len)
+static int eth_llc_ipcp_send_frame(const uint8_t * dst_addr,
+ uint8_t dsap,
+ uint8_t ssap,
+ const uint8_t * payload,
+ size_t len)
{
uint32_t frame_len = 0;
uint8_t cf = 0x03;
@@ -311,7 +312,7 @@ static int eth_llc_ipcp_send_frame(uint8_t * dst_addr,
}
static int eth_llc_ipcp_send_mgmt_frame(shim_eth_llc_msg_t * msg,
- uint8_t * dst_addr)
+ const uint8_t * dst_addr)
{
size_t len;
uint8_t * buf;
@@ -338,17 +339,19 @@ static int eth_llc_ipcp_send_mgmt_frame(shim_eth_llc_msg_t * msg,
return 0;
}
-static int eth_llc_ipcp_sap_alloc(uint8_t * dst_addr,
- uint8_t ssap,
- char * dst_name,
- qoscube_t cube)
+static int eth_llc_ipcp_sap_alloc(const uint8_t * dst_addr,
+ uint8_t ssap,
+ const uint8_t * hash,
+ qoscube_t cube)
{
shim_eth_llc_msg_t msg = SHIM_ETH_LLC_MSG__INIT;
msg.code = SHIM_ETH_LLC_MSG_CODE__FLOW_REQ;
msg.has_ssap = true;
msg.ssap = ssap;
- msg.dst_name = dst_name;
+ msg.has_hash = true;
+ msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.data = (uint8_t *) hash;
msg.has_qoscube = true;
msg.qoscube = cube;
@@ -373,10 +376,10 @@ static int eth_llc_ipcp_sap_alloc_resp(uint8_t * dst_addr,
return eth_llc_ipcp_send_mgmt_frame(&msg, dst_addr);
}
-static int eth_llc_ipcp_sap_req(uint8_t r_sap,
- uint8_t * r_addr,
- char * dst_name,
- qoscube_t cube)
+static int eth_llc_ipcp_sap_req(uint8_t r_sap,
+ uint8_t * r_addr,
+ const uint8_t * dst,
+ qoscube_t cube)
{
struct timespec ts = {0, EVENT_WAIT_TIMEOUT * 1000};
int fd;
@@ -395,7 +398,7 @@ static int eth_llc_ipcp_sap_req(uint8_t r_sap,
}
/* reply to IRM, called under lock to prevent race */
- fd = ipcp_flow_req_arr(getpid(), dst_name, cube);
+ fd = ipcp_flow_req_arr(getpid(), dst, ipcpi.dir_hash_len, cube);
if (fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
log_err("Could not get new flow from IRMd.");
@@ -453,14 +456,16 @@ static int eth_llc_ipcp_sap_alloc_reply(uint8_t ssap,
}
-static int eth_llc_ipcp_name_query_req(char * name,
- uint8_t * r_addr)
+static int eth_llc_ipcp_name_query_req(const uint8_t * hash,
+ uint8_t * r_addr)
{
shim_eth_llc_msg_t msg = SHIM_ETH_LLC_MSG__INIT;
- if (shim_data_reg_has(ipcpi.shim_data, name)) {
- msg.code = SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REPLY;
- msg.dst_name = name;
+ if (shim_data_reg_has(ipcpi.shim_data, hash)) {
+ msg.code = SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REPLY;
+ msg.has_hash = true;
+ msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.data = (uint8_t *) hash;
eth_llc_ipcp_send_mgmt_frame(&msg, r_addr);
}
@@ -468,21 +473,21 @@ static int eth_llc_ipcp_name_query_req(char * name,
return 0;
}
-static int eth_llc_ipcp_name_query_reply(char * name,
- uint8_t * r_addr)
+static int eth_llc_ipcp_name_query_reply(const uint8_t * hash,
+ uint8_t * r_addr)
{
uint64_t address = 0;
struct list_head * pos;
memcpy(&address, r_addr, MAC_SIZE);
- shim_data_dir_add_entry(ipcpi.shim_data, name, address);
+ shim_data_dir_add_entry(ipcpi.shim_data, hash, address);
pthread_mutex_lock(&ipcpi.shim_data->dir_queries_lock);
list_for_each(pos, &ipcpi.shim_data->dir_queries) {
struct dir_query * e =
list_entry(pos, struct dir_query, next);
- if (strcmp(e->name, name) == 0) {
+ if (memcmp(e->hash, hash, ipcpi.dir_hash_len) == 0) {
shim_data_dir_query_respond(e);
}
}
@@ -491,9 +496,9 @@ static int eth_llc_ipcp_name_query_reply(char * name,
return 0;
}
-static int eth_llc_ipcp_mgmt_frame(uint8_t * buf,
- size_t len,
- uint8_t * r_addr)
+static int eth_llc_ipcp_mgmt_frame(const uint8_t * buf,
+ size_t len,
+ uint8_t * r_addr)
{
shim_eth_llc_msg_t * msg;
@@ -505,10 +510,10 @@ static int eth_llc_ipcp_mgmt_frame(uint8_t * buf,
switch (msg->code) {
case SHIM_ETH_LLC_MSG_CODE__FLOW_REQ:
- if (shim_data_reg_has(ipcpi.shim_data, msg->dst_name)) {
+ if (shim_data_reg_has(ipcpi.shim_data, msg->hash.data)) {
eth_llc_ipcp_sap_req(msg->ssap,
r_addr,
- msg->dst_name,
+ msg->hash.data,
msg->qoscube);
}
break;
@@ -519,10 +524,10 @@ static int eth_llc_ipcp_mgmt_frame(uint8_t * buf,
msg->response);
break;
case SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REQ:
- eth_llc_ipcp_name_query_req(msg->dst_name, r_addr);
+ eth_llc_ipcp_name_query_req(msg->hash.data, r_addr);
break;
case SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REPLY:
- eth_llc_ipcp_name_query_reply(msg->dst_name, r_addr);
+ eth_llc_ipcp_name_query_reply(msg->hash.data, r_addr);
break;
default:
log_err("Unknown message received %d.", msg->code);
@@ -734,29 +739,7 @@ static void * eth_llc_ipcp_sdu_writer(void * o)
return (void *) 1;
}
-void ipcp_sig_handler(int sig,
- siginfo_t * info,
- void * c)
-{
- (void) c;
-
- switch(sig) {
- case SIGINT:
- case SIGTERM:
- case SIGHUP:
- if (info->si_pid == ipcpi.irmd_api) {
- if (ipcp_get_state() == IPCP_INIT)
- ipcp_set_state(IPCP_NULL);
-
- if (ipcp_get_state() == IPCP_OPERATIONAL)
- ipcp_set_state(IPCP_SHUTDOWN);
- }
- default:
- return;
- }
-}
-
-static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
+static int eth_llc_ipcp_bootstrap(const struct ipcp_config * conf)
{
int idx;
struct ifreq ifr;
@@ -777,10 +760,7 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
assert(conf);
assert(conf->type == THIS_TYPE);
- if (ipcp_get_state() != IPCP_INIT) {
- log_err("IPCP in wrong state.");
- return -1;
- }
+ ipcpi.dir_hash_len = conf->dir_hash_len;
if (conf->if_name == NULL) {
log_err("Interface name is NULL.");
@@ -921,35 +901,36 @@ static int eth_llc_ipcp_bootstrap(struct dif_config * conf)
return 0;
}
-static int eth_llc_ipcp_name_reg(char * name)
+static int eth_llc_ipcp_reg(const uint8_t * hash)
{
- char * name_dup;
+ uint8_t * hash_dup;
- name_dup = strdup(name);
- if (name_dup == NULL) {
- log_err("Failed to duplicate name.");
+ hash_dup = ipcp_hash_dup(hash);
+ if (hash_dup == NULL) {
+ log_err("Failed to duplicate hash.");
return -ENOMEM;
}
- if (shim_data_reg_add_entry(ipcpi.shim_data, name_dup)) {
- log_err("Failed to add %s to local registry.", name);
- free(name_dup);
+ if (shim_data_reg_add_entry(ipcpi.shim_data, hash_dup)) {
+ log_err("Failed to add " HASH_FMT " to local registry.",
+ HASH_VAL(hash));
+ free(hash_dup);
return -1;
}
- log_dbg("Registered %s.", name);
+ log_dbg("Registered " HASH_FMT ".", HASH_VAL(hash));
return 0;
}
-static int eth_llc_ipcp_name_unreg(char * name)
+static int eth_llc_ipcp_unreg(const uint8_t * hash)
{
- shim_data_reg_del_entry(ipcpi.shim_data, name);
+ shim_data_reg_del_entry(ipcpi.shim_data, hash);
return 0;
}
-static int eth_llc_ipcp_name_query(char * name)
+static int eth_llc_ipcp_query(const uint8_t * hash)
{
uint8_t r_addr[MAC_SIZE];
struct timespec timeout = {(NAME_QUERY_TIMEOUT / 1000),
@@ -958,15 +939,17 @@ static int eth_llc_ipcp_name_query(char * name)
struct dir_query * query;
int ret;
- if (shim_data_dir_has(ipcpi.shim_data, name))
+ if (shim_data_dir_has(ipcpi.shim_data, hash))
return 0;
- msg.code = SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REQ;
- msg.dst_name = name;
+ msg.code = SHIM_ETH_LLC_MSG_CODE__NAME_QUERY_REQ;
+ msg.has_hash = true;
+ msg.hash.len = ipcpi.dir_hash_len;
+ msg.hash.data = (uint8_t *) hash;
memset(r_addr, 0xff, MAC_SIZE);
- query = shim_data_dir_query_create(name);
+ query = shim_data_dir_query_create(hash);
if (query == NULL)
return -1;
@@ -986,34 +969,28 @@ static int eth_llc_ipcp_name_query(char * name)
return ret;
}
-static int eth_llc_ipcp_flow_alloc(int fd,
- char * dst_name,
- qoscube_t cube)
+static int eth_llc_ipcp_flow_alloc(int fd,
+ const uint8_t * hash,
+ qoscube_t cube)
{
uint8_t ssap = 0;
uint8_t r_addr[MAC_SIZE];
uint64_t addr = 0;
- log_dbg("Allocating flow to %s.", dst_name);
+ log_dbg("Allocating flow to " HASH_FMT ".", HASH_VAL(hash));
- if (dst_name == NULL)
- return -1;
+ assert(hash);
if (cube != QOS_CUBE_BE && cube != QOS_CUBE_FRC) {
log_dbg("Unsupported QoS requested.");
return -1;
}
- if (ipcp_get_state() != IPCP_OPERATIONAL) {
- log_dbg("Won't allocate flow with non-enrolled IPCP.");
- return -1; /* -ENOTENROLLED */
- }
-
- if (!shim_data_dir_has(ipcpi.shim_data, dst_name)) {
+ if (!shim_data_dir_has(ipcpi.shim_data, hash)) {
log_err("Destination unreachable.");
return -1;
}
- addr = shim_data_dir_get_addr(ipcpi.shim_data, dst_name);
+ addr = shim_data_dir_get_addr(ipcpi.shim_data, hash);
pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
@@ -1030,7 +1007,7 @@ static int eth_llc_ipcp_flow_alloc(int fd,
memcpy(r_addr, &addr, MAC_SIZE);
- if (eth_llc_ipcp_sap_alloc(r_addr, ssap, dst_name, cube) < 0) {
+ if (eth_llc_ipcp_sap_alloc(r_addr, ssap, hash, cube) < 0) {
pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
bmp_release(eth_llc_data.saps, eth_llc_data.fd_to_ef[fd].sap);
eth_llc_data.fd_to_ef[fd].sap = -1;
@@ -1107,11 +1084,6 @@ static int eth_llc_ipcp_flow_dealloc(int fd)
ipcp_flow_fini(fd);
- if (ipcp_get_state() != IPCP_OPERATIONAL) {
- log_dbg("Won't register with non-enrolled IPCP.");
- return -1; /* -ENOTENROLLED */
- }
-
pthread_rwlock_wrlock(&eth_llc_data.flows_lock);
flow_set_del(eth_llc_data.np1_flows, fd);
@@ -1137,9 +1109,9 @@ static int eth_llc_ipcp_flow_dealloc(int fd)
static struct ipcp_ops eth_llc_ops = {
.ipcp_bootstrap = eth_llc_ipcp_bootstrap,
.ipcp_enroll = NULL,
- .ipcp_name_reg = eth_llc_ipcp_name_reg,
- .ipcp_name_unreg = eth_llc_ipcp_name_unreg,
- .ipcp_name_query = eth_llc_ipcp_name_query,
+ .ipcp_reg = eth_llc_ipcp_reg,
+ .ipcp_unreg = eth_llc_ipcp_unreg,
+ .ipcp_query = eth_llc_ipcp_query,
.ipcp_flow_alloc = eth_llc_ipcp_flow_alloc,
.ipcp_flow_alloc_resp = eth_llc_ipcp_flow_alloc_resp,
.ipcp_flow_dealloc = eth_llc_ipcp_flow_dealloc
@@ -1148,27 +1120,6 @@ static struct ipcp_ops eth_llc_ops = {
int main(int argc,
char * argv[])
{
- struct sigaction sig_act;
- sigset_t sigset;
-
- sigemptyset(&sigset);
- sigaddset(&sigset, SIGINT);
- sigaddset(&sigset, SIGQUIT);
- sigaddset(&sigset, SIGHUP);
- sigaddset(&sigset, SIGPIPE);
-
- /* init sig_act */
- memset(&sig_act, 0, sizeof(sig_act));
-
- /* install signal traps */
- sig_act.sa_sigaction = &ipcp_sig_handler;
- sig_act.sa_flags = SA_SIGINFO;
-
- sigaction(SIGINT, &sig_act, NULL);
- sigaction(SIGTERM, &sig_act, NULL);
- sigaction(SIGHUP, &sig_act, NULL);
- sigaction(SIGPIPE, &sig_act, NULL);
-
if (ipcp_init(argc, argv, THIS_TYPE, &eth_llc_ops) < 0) {
ipcp_create_r(getpid(), -1);
exit(EXIT_FAILURE);
@@ -1181,9 +1132,6 @@ int main(int argc,
exit(EXIT_FAILURE);
}
-
- pthread_sigmask(SIG_BLOCK, &sigset, NULL);
-
if (ipcp_boot() < 0) {
log_err("Failed to boot IPCP.");
ipcp_create_r(getpid(), -1);
@@ -1192,8 +1140,6 @@ int main(int argc,
exit(EXIT_FAILURE);
}
- pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
-
if (ipcp_create_r(getpid(), 0)) {
log_err("Failed to notify IRMd we are initialized.");
ipcp_set_state(IPCP_NULL);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-10 07:57:31 +0000