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Diffstat (limited to 'src/ipcpd/eth/eth.c')
-rw-r--r--src/ipcpd/eth/eth.c425
1 files changed, 174 insertions, 251 deletions
diff --git a/src/ipcpd/eth/eth.c b/src/ipcpd/eth/eth.c
index 932034d5..ea6e0f1c 100644
--- a/src/ipcpd/eth/eth.c
+++ b/src/ipcpd/eth/eth.c
@@ -1,5 +1,5 @@
/*
- * Ouroboros - Copyright (C) 2016 - 2021
+ * Ouroboros - Copyright (C) 2016 - 2024
*
* IPC processes over Ethernet
*
@@ -37,6 +37,7 @@
#include "config.h"
+#include <ouroboros/endian.h>
#include <ouroboros/hash.h>
#include <ouroboros/errno.h>
#include <ouroboros/list.h>
@@ -46,7 +47,7 @@
#include <ouroboros/ipcp-dev.h>
#include <ouroboros/fqueue.h>
#include <ouroboros/logs.h>
-#include <ouroboros/time_utils.h>
+#include <ouroboros/time.h>
#include <ouroboros/fccntl.h>
#include <ouroboros/pthread.h>
@@ -135,7 +136,6 @@
#define ETH_FRAME_SIZE (ETH_HEADER_SIZE + ETH_MTU_MAX)
#endif
-#define ALLOC_TIMEO 10 /* ms */
#define NAME_QUERY_TIMEO 2000 /* ms */
#define MGMT_TIMEO 100 /* ms */
#define MGMT_FRAME_SIZE 2048
@@ -164,6 +164,7 @@ struct mgmt_msg {
uint32_t ber;
uint32_t max_gap;
uint32_t delay;
+ uint32_t timeout;
uint16_t cypher_s;
uint8_t in_order;
#if defined (BUILD_ETH_DIX)
@@ -454,16 +455,15 @@ static int eth_ipcp_send_frame(const uint8_t * dst_addr,
return 0;
}
-static int eth_ipcp_alloc(const uint8_t * dst_addr,
+static int eth_ipcp_alloc(const uint8_t * dst_addr,
#if defined(BUILD_ETH_DIX)
- uint16_t eid,
+ uint16_t eid,
#elif defined(BUILD_ETH_LLC)
- uint8_t ssap,
+ uint8_t ssap,
#endif
- const uint8_t * hash,
- qosspec_t qs,
- const void * data,
- size_t dlen)
+ const uint8_t * hash,
+ qosspec_t qs,
+ const buffer_t * data)
{
uint8_t * buf;
struct mgmt_msg * msg;
@@ -472,7 +472,7 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
len = sizeof(*msg) + ipcp_dir_hash_len();
- buf = malloc(len + ETH_HEADER_TOT_SIZE + dlen);
+ buf = malloc(len + ETH_HEADER_TOT_SIZE + data->len);
if (buf == NULL)
return -1;
@@ -492,9 +492,11 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
msg->in_order = qs.in_order;
msg->max_gap = hton32(qs.max_gap);
msg->cypher_s = hton16(qs.cypher_s);
+ msg->timeout = hton32(qs.timeout);
memcpy(msg + 1, hash, ipcp_dir_hash_len());
- memcpy(buf + len + ETH_HEADER_TOT_SIZE, data, dlen);
+ if (data->len > 0)
+ memcpy(buf + len + ETH_HEADER_TOT_SIZE, data->data, data->len);
ret = eth_ipcp_send_frame(dst_addr,
#if defined(BUILD_ETH_DIX)
@@ -503,28 +505,27 @@ static int eth_ipcp_alloc(const uint8_t * dst_addr,
reverse_bits(MGMT_SAP),
reverse_bits(MGMT_SAP),
#endif
- buf, len + dlen);
+ buf, len + data->len);
free(buf);
return ret;
}
-static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
+static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
#if defined(BUILD_ETH_DIX)
- uint16_t seid,
- uint16_t deid,
+ uint16_t seid,
+ uint16_t deid,
#elif defined(BUILD_ETH_LLC)
- uint8_t ssap,
- uint8_t dsap,
+ uint8_t ssap,
+ uint8_t dsap,
#endif
- int response,
- const void * data,
- size_t len)
+ int response,
+ const buffer_t * data)
{
struct mgmt_msg * msg;
uint8_t * buf;
- buf = malloc(sizeof(*msg) + ETH_HEADER_TOT_SIZE + len);
+ buf = malloc(sizeof(*msg) + ETH_HEADER_TOT_SIZE + data->len);
if (buf == NULL)
return -1;
@@ -540,7 +541,8 @@ static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
#endif
msg->response = response;
- memcpy(msg + 1, data, len);
+ if (data->len > 0)
+ memcpy(msg + 1, data->data, data->len);
if (eth_ipcp_send_frame(dst_addr,
#if defined(BUILD_ETH_DIX)
@@ -549,7 +551,7 @@ static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
reverse_bits(MGMT_SAP),
reverse_bits(MGMT_SAP),
#endif
- buf, sizeof(*msg) + len)) {
+ buf, sizeof(*msg) + data->len)) {
free(buf);
return -1;
}
@@ -559,42 +561,20 @@ static int eth_ipcp_alloc_resp(uint8_t * dst_addr,
return 0;
}
-static int eth_ipcp_req(uint8_t * r_addr,
+static int eth_ipcp_req(uint8_t * r_addr,
#if defined(BUILD_ETH_DIX)
- uint16_t r_eid,
+ uint16_t r_eid,
#elif defined(BUILD_ETH_LLC)
- uint8_t r_sap,
+ uint8_t r_sap,
#endif
- const uint8_t * dst,
- qosspec_t qs,
- const void * data,
- size_t len)
+ const uint8_t * dst,
+ qosspec_t qs,
+ const buffer_t * data)
{
- struct timespec ts = {0, ALLOC_TIMEO * MILLION};
- struct timespec abstime;
- int fd;
+ int fd;
- clock_gettime(PTHREAD_COND_CLOCK, &abstime);
-
- pthread_mutex_lock(&ipcpi.alloc_lock);
-
- while (ipcpi.alloc_id != -1 && ipcp_get_state() == IPCP_OPERATIONAL) {
- ts_add(&abstime, &ts, &abstime);
- pthread_cond_timedwait(&ipcpi.alloc_cond,
- &ipcpi.alloc_lock,
- &abstime);
- }
-
- if (ipcp_get_state() != IPCP_OPERATIONAL) {
- log_dbg("Won't allocate over non-operational IPCP.");
- pthread_mutex_unlock(&ipcpi.alloc_lock);
- return -1;
- }
-
- /* reply to IRM, called under lock to prevent race */
- fd = ipcp_flow_req_arr(dst, ipcp_dir_hash_len(), qs, data, len);
+ fd = ipcp_wait_flow_req_arr(dst, qs, IPCP_ETH_MPL, data);
if (fd < 0) {
- pthread_mutex_unlock(&ipcpi.alloc_lock);
log_err("Could not get new flow from IRMd.");
return -1;
}
@@ -609,11 +589,6 @@ static int eth_ipcp_req(uint8_t * r_addr,
pthread_rwlock_unlock(&eth_data.flows_lock);
- ipcpi.alloc_id = fd;
- pthread_cond_broadcast(&ipcpi.alloc_cond);
-
- pthread_mutex_unlock(&ipcpi.alloc_lock);
-
#if defined(BUILD_ETH_DIX)
log_dbg("New flow request, fd %d, remote endpoint %d.", fd, r_eid);
#elif defined(BUILD_ETH_LLC)
@@ -622,20 +597,20 @@ static int eth_ipcp_req(uint8_t * r_addr,
return 0;
}
-static int eth_ipcp_alloc_reply(uint8_t * r_addr,
+static int eth_ipcp_alloc_reply(uint8_t * r_addr,
#if defined(BUILD_ETH_DIX)
- uint16_t seid,
- uint16_t deid,
+ uint16_t seid,
+ uint16_t deid,
#elif defined(BUILD_ETH_LLC)
- uint8_t ssap,
- int dsap,
+ uint8_t ssap,
+ int dsap,
#endif
- int response,
- const void * data,
- size_t len)
+ int response,
+ const buffer_t * data)
{
- int ret = 0;
- int fd = -1;
+ int ret = 0;
+ int fd = -1;
+ time_t mpl = IPCP_ETH_MPL;
pthread_rwlock_wrlock(&eth_data.flows_lock);
@@ -670,11 +645,12 @@ static int eth_ipcp_alloc_reply(uint8_t * r_addr,
#elif defined(BUILD_ETH_LLC)
log_dbg("Flow reply, fd %d, SSAP %d, DSAP %d.", fd, ssap, dsap);
#endif
- if ((ret = ipcp_flow_alloc_reply(fd, response, data, len)) < 0)
+ if ((ret = ipcp_flow_alloc_reply(fd, response, mpl, data)) < 0) {
+ log_err("Failed to reply to flow allocation.");
return -1;
+ }
return ret;
-
}
static int eth_ipcp_name_query_req(const uint8_t * hash,
@@ -736,6 +712,7 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
struct mgmt_msg * msg;
size_t msg_len;
qosspec_t qs;
+ buffer_t data;
msg = (struct mgmt_msg *) buf;
@@ -753,6 +730,10 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
qs.in_order = msg->in_order;
qs.max_gap = ntoh32(msg->max_gap);
qs.cypher_s = ntoh16(msg->cypher_s);
+ qs.timeout = ntoh32(msg->timeout);
+
+ data.data = (uint8_t *) buf + msg_len;
+ data.len = len - msg_len;
if (shim_data_reg_has(eth_data.shim_data,
buf + sizeof(*msg))) {
@@ -764,13 +745,15 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
#endif
buf + sizeof(*msg),
qs,
- buf + msg_len,
- len - msg_len);
+ &data);
}
break;
case FLOW_REPLY:
assert(len >= sizeof(*msg));
+ data.data = (uint8_t *) buf + sizeof(*msg);
+ data.len = len - sizeof(*msg);
+
eth_ipcp_alloc_reply(r_addr,
#if defined(BUILD_ETH_DIX)
ntohs(msg->seid),
@@ -780,8 +763,7 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
msg->dsap,
#endif
msg->response,
- buf + sizeof(*msg),
- len - sizeof(*msg));
+ &data);
break;
case NAME_QUERY_REQ:
eth_ipcp_name_query_req(buf + sizeof(*msg), r_addr);
@@ -799,18 +781,15 @@ static int eth_ipcp_mgmt_frame(const uint8_t * buf,
static void * eth_ipcp_mgmt_handler(void * o)
{
- int ret;
- struct timespec timeout = {(MGMT_TIMEO / 1000),
- (MGMT_TIMEO % 1000) * MILLION};
- struct timespec abstime;
- struct mgmt_frame * frame;
-
(void) o;
pthread_cleanup_push(__cleanup_mutex_unlock, &eth_data.mgmt_lock);
while (true) {
- ret = 0;
+ int ret = 0;
+ struct timespec timeout = TIMESPEC_INIT_MS(MGMT_TIMEO);
+ struct timespec abstime;
+ struct mgmt_frame * frame = NULL;
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
ts_add(&abstime, &timeout, &abstime);
@@ -822,23 +801,19 @@ static void * eth_ipcp_mgmt_handler(void * o)
ret = -pthread_cond_timedwait(&eth_data.mgmt_cond,
&eth_data.mgmt_lock,
&abstime);
+ if (ret != -ETIMEDOUT)
+ frame = list_first_entry((&eth_data.mgmt_frames),
+ struct mgmt_frame, next);
+ if (frame != NULL)
+ list_del(&frame->next);
- if (ret == -ETIMEDOUT) {
- pthread_mutex_unlock(&eth_data.mgmt_lock);
- continue;
- }
+ pthread_mutex_unlock(&eth_data.mgmt_lock);
- frame = list_first_entry((&eth_data.mgmt_frames),
- struct mgmt_frame, next);
- if (frame == NULL) {
- pthread_mutex_unlock(&eth_data.mgmt_lock);
+ if (frame == NULL)
continue;
- }
-
- list_del(&frame->next);
- pthread_mutex_unlock(&eth_data.mgmt_lock);
eth_ipcp_mgmt_frame(frame->buf, frame->len, frame->r_addr);
+
free(frame);
}
@@ -884,7 +859,7 @@ static void * eth_ipcp_packet_reader(void * o)
buf = nm_nextpkt(eth_data.nmd, &hdr);
if (buf == NULL) {
- log_err("Bad read from netmap device.");
+ log_dbg("Bad read from netmap device.");
continue;
}
#else
@@ -915,6 +890,7 @@ static void * eth_ipcp_packet_reader(void * o)
ETH_MTU + ETH_HEADER_TOT_SIZE, 0);
#endif
if (frame_len <= 0) {
+ log_dbg("Failed to receive frame.");
ipcp_sdb_release(sdb);
continue;
}
@@ -941,22 +917,14 @@ static void * eth_ipcp_packet_reader(void * o)
#endif
length = ntohs(e_frame->length);
#if defined(BUILD_ETH_DIX)
- if (e_frame->ethertype != eth_data.ethertype) {
-#ifndef HAVE_NETMAP
- ipcp_sdb_release(sdb);
-#endif
- continue;
- }
+ if (e_frame->ethertype != eth_data.ethertype)
+ goto fail_frame;
deid = ntohs(e_frame->eid);
if (deid == MGMT_EID) {
#elif defined (BUILD_ETH_LLC)
- if (length > 0x05FF) {/* DIX */
-#ifndef HAVE_NETMAP
- ipcp_sdb_release(sdb);
-#endif
- continue;
- }
+ if (length > 0x05FF) /* DIX */
+ goto fail_frame;
length -= LLC_HEADER_SIZE;
@@ -965,12 +933,12 @@ static void * eth_ipcp_packet_reader(void * o)
if (ssap == MGMT_SAP && dsap == MGMT_SAP) {
#endif
+ ipcp_sdb_release(sdb); /* No need for the N+1 buffer. */
+
frame = malloc(sizeof(*frame));
if (frame == NULL) {
-#ifndef HAVE_NETMAP
- ipcp_sdb_release(sdb);
-#endif
- continue;
+ log_err("Failed to allocate frame.");
+ goto fail_frame;
}
memcpy(frame->buf, &e_frame->payload, length);
@@ -981,10 +949,6 @@ static void * eth_ipcp_packet_reader(void * o)
list_add(&frame->next, &eth_data.mgmt_frames);
pthread_cond_signal(&eth_data.mgmt_cond);
pthread_mutex_unlock(&eth_data.mgmt_lock);
-
-#ifndef HAVE_NETMAP
- ipcp_sdb_release(sdb);
-#endif
} else {
pthread_rwlock_rdlock(&eth_data.flows_lock);
@@ -995,10 +959,7 @@ static void * eth_ipcp_packet_reader(void * o)
#endif
if (fd < 0) {
pthread_rwlock_unlock(&eth_data.flows_lock);
-#ifndef HAVE_NETMAP
- ipcp_sdb_release(sdb);
-#endif
- continue;
+ goto fail_frame;
}
#ifdef BUILD_ETH_LLC
@@ -1006,10 +967,7 @@ static void * eth_ipcp_packet_reader(void * o)
|| memcmp(eth_data.fd_to_ef[fd].r_addr,
e_frame->src_hwaddr, MAC_SIZE)) {
pthread_rwlock_unlock(&eth_data.flows_lock);
-#ifndef HAVE_NETMAP
- ipcp_sdb_release(sdb);
-#endif
- continue;
+ goto fail_frame;
}
#endif
pthread_rwlock_unlock(&eth_data.flows_lock);
@@ -1017,9 +975,20 @@ static void * eth_ipcp_packet_reader(void * o)
#ifndef HAVE_NETMAP
shm_du_buff_head_release(sdb, ETH_HEADER_TOT_SIZE);
shm_du_buff_truncate(sdb, length);
- ipcp_flow_write(fd, sdb);
#else
- flow_write(fd, &e_frame->payload, length);
+ if (ipcp_sdb_reserve(&sdb, length))
+ continue;
+
+ buf = shm_du_buff_head(sdb);
+ memcpy(buf, &e_frame->payload, length);
+#endif
+ if (np1_flow_write(fd, sdb) < 0)
+ ipcp_sdb_release(sdb);
+
+ continue;
+ fail_frame:
+#ifndef HAVE_NETMAP
+ ipcp_sdb_release(sdb);
#endif
}
}
@@ -1053,27 +1022,28 @@ static void * eth_ipcp_packet_writer(void * o)
(void) o;
- pthread_cleanup_push(cleanup_writer, fq);
-
ipcp_lock_to_core();
+ pthread_cleanup_push(cleanup_writer, fq);
+
while (true) {
fevent(eth_data.np1_flows, fq, NULL);
while ((fd = fqueue_next(fq)) >= 0) {
if (fqueue_type(fq) != FLOW_PKT)
continue;
- if (ipcp_flow_read(fd, &sdb)) {
+ if (np1_flow_read(fd, &sdb)) {
log_dbg("Bad read from fd %d.", fd);
continue;
}
- len = shm_du_buff_tail(sdb) - shm_du_buff_head(sdb);
+ len = shm_du_buff_len(sdb);
if (shm_du_buff_head_alloc(sdb, ETH_HEADER_TOT_SIZE)
== NULL) {
log_dbg("Failed to allocate header.");
ipcp_sdb_release(sdb);
+ continue;
}
pthread_rwlock_rdlock(&eth_data.flows_lock);
@@ -1089,14 +1059,15 @@ static void * eth_ipcp_packet_writer(void * o)
pthread_rwlock_unlock(&eth_data.flows_lock);
- eth_ipcp_send_frame(r_addr,
+ if (eth_ipcp_send_frame(r_addr,
#if defined(BUILD_ETH_DIX)
deid,
#elif defined(BUILD_ETH_LLC)
dsap, ssap,
#endif
shm_du_buff_head(sdb),
- len);
+ len))
+ log_dbg("Failed to send frame.");
ipcp_sdb_release(sdb);
}
}
@@ -1276,32 +1247,23 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
assert(conf);
assert(conf->type == THIS_TYPE);
- ipcpi.dir_hash_algo = conf->layer_info.dir_hash_algo;
- ipcpi.layer_name = strdup(conf->layer_info.layer_name);
- if (ipcpi.layer_name == NULL) {
- log_err("Failed to set layer name");
- return -ENOMEM;
- }
-
- if (conf->dev == NULL) {
- log_err("Device name is NULL.");
- return -1;
- }
+ ipcpi.dir_hash_algo = (enum hash_algo) conf->layer_info.dir_hash_algo;
+ strcpy(ipcpi.layer_name, conf->layer_info.name);
- if (strlen(conf->dev) >= IFNAMSIZ) {
- log_err("Invalid device name: %s.", conf->dev);
+ if (strlen(conf->eth.dev) >= IFNAMSIZ) {
+ log_err("Invalid device name: %s.", conf->eth.dev);
return -1;
}
memset(&ifr, 0, sizeof(ifr));
- strcpy(ifr.ifr_name, conf->dev);
+ strcpy(ifr.ifr_name, conf->eth.dev);
#ifdef BUILD_ETH_DIX
- if (conf->ethertype < 0x0600 || conf->ethertype == 0xFFFF) {
- log_err("Invalid Ethertype.");
+ if (conf->eth.ethertype < 0x0600 || conf->eth.ethertype == 0xFFFF) {
+ log_err("Invalid Ethertype: %d.", conf->eth.ethertype);
return -1;
}
- eth_data.ethertype = htons(conf->ethertype);
+ eth_data.ethertype = htons(conf->eth.ethertype);
#endif
#if defined(__FreeBSD__) || defined(__APPLE__)
@@ -1311,9 +1273,9 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
}
for (ifa = ifaddr, idx = 0; ifa != NULL; ifa = ifa->ifa_next, ++idx) {
- if (strcmp(ifa->ifa_name, conf->dev))
+ if (strcmp(ifa->ifa_name, conf->eth.dev))
continue;
- log_dbg("Interface %s found.", conf->dev);
+ log_dbg("Interface %s found.", conf->eth.dev);
#if defined(HAVE_NETMAP) || defined(HAVE_BPF)
memcpy(eth_data.hw_addr,
@@ -1348,7 +1310,8 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
log_dbg("Device MTU is %d.", ifr.ifr_mtu);
eth_data.mtu = MIN((int) ETH_MTU_MAX, ifr.ifr_mtu);
- if (memcmp(conf->dev, "lo", 2) == 0 && eth_data.mtu > IPCP_ETH_LO_MTU) {
+ if (memcmp(conf->eth.dev, "lo", 2) == 0 &&
+ eth_data.mtu > IPCP_ETH_LO_MTU) {
log_dbg("Using loopback interface. MTU restricted to %d.",
IPCP_ETH_LO_MTU);
eth_data.mtu = IPCP_ETH_LO_MTU;
@@ -1372,7 +1335,7 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
close(skfd);
- idx = if_nametoindex(conf->dev);
+ idx = if_nametoindex(conf->eth.dev);
if (idx == 0) {
log_err("Failed to retrieve interface index.");
return -1;
@@ -1382,7 +1345,7 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
#if defined(HAVE_NETMAP)
strcpy(ifn, "netmap:");
- strcat(ifn, conf->dev);
+ strcat(ifn, conf->eth.dev);
eth_data.nmd = nm_open(ifn, NULL, 0, NULL);
if (eth_data.nmd == NULL) {
@@ -1452,7 +1415,7 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
if (eth_data.s_fd < 0) {
log_err("Failed to create socket.");
- return -1;
+ goto fail_socket;
}
flags = fcntl(eth_data.s_fd, F_GETFL, 0);
@@ -1474,60 +1437,52 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
#endif
if (bind(eth_data.s_fd, (struct sockaddr *) &eth_data.device,
- sizeof(eth_data.device))) {
+ sizeof(eth_data.device)) < 0) {
log_err("Failed to bind socket to interface.");
goto fail_device;
}
-
#endif /* HAVE_NETMAP */
- ipcp_set_state(IPCP_OPERATIONAL);
-
#if defined(__linux__)
- if (pthread_create(&eth_data.if_monitor,
- NULL,
- eth_ipcp_if_monitor,
- NULL)) {
- ipcp_set_state(IPCP_INIT);
+ if (pthread_create(&eth_data.if_monitor, NULL,
+ eth_ipcp_if_monitor, NULL)) {
+ log_err("Failed to create monitor thread: %s.",
+ strerror(errno));
goto fail_device;
}
#endif
- if (pthread_create(&eth_data.mgmt_handler,
- NULL,
- eth_ipcp_mgmt_handler,
- NULL)) {
- ipcp_set_state(IPCP_INIT);
+ if (pthread_create(&eth_data.mgmt_handler, NULL,
+ eth_ipcp_mgmt_handler, NULL)) {
+ log_err("Failed to create mgmt handler thread: %s.",
+ strerror(errno));
goto fail_mgmt_handler;
}
for (idx = 0; idx < IPCP_ETH_RD_THR; ++idx) {
- if (pthread_create(&eth_data.packet_reader[idx],
- NULL,
- eth_ipcp_packet_reader,
- NULL)) {
- ipcp_set_state(IPCP_INIT);
+ if (pthread_create(&eth_data.packet_reader[idx], NULL,
+ eth_ipcp_packet_reader, NULL)) {
+ log_err("Failed to create packet reader thread: %s",
+ strerror(errno));
goto fail_packet_reader;
}
}
for (idx = 0; idx < IPCP_ETH_WR_THR; ++idx) {
- if (pthread_create(&eth_data.packet_writer[idx],
- NULL,
- eth_ipcp_packet_writer,
- NULL)) {
- ipcp_set_state(IPCP_INIT);
+ if (pthread_create(&eth_data.packet_writer[idx], NULL,
+ eth_ipcp_packet_writer, NULL)) {
+ log_err("Failed to create packet writer thread: %s",
+ strerror(errno));
goto fail_packet_writer;
}
}
#if defined(BUILD_ETH_DIX)
log_dbg("Bootstrapped IPCP over DIX Ethernet with pid %d "
- "and Ethertype 0x%X.", getpid(), conf->ethertype);
+ "and Ethertype 0x%X.", getpid(), conf->eth.ethertype);
#elif defined(BUILD_ETH_LLC)
log_dbg("Bootstrapped IPCP over Ethernet with LLC with pid %d.",
getpid());
#endif
-
return 0;
fail_packet_writer:
@@ -1558,19 +1513,18 @@ static int eth_ipcp_bootstrap(const struct ipcp_config * conf)
#elif defined(HAVE_RAW_SOCKETS)
close(eth_data.s_fd);
#endif
+ fail_socket:
return -1;
}
static int eth_ipcp_reg(const uint8_t * hash)
{
if (shim_data_reg_add_entry(eth_data.shim_data, hash)) {
- log_err("Failed to add " HASH_FMT " to local registry.",
- HASH_VAL(hash));
+ log_err("Failed to add " HASH_FMT32 " to local registry.",
+ HASH_VAL32(hash));
return -1;
}
- log_dbg("Registered " HASH_FMT ".", HASH_VAL(hash));
-
return 0;
}
@@ -1584,8 +1538,7 @@ static int eth_ipcp_unreg(const uint8_t * hash)
static int eth_ipcp_query(const uint8_t * hash)
{
uint8_t r_addr[MAC_SIZE];
- struct timespec timeout = {(NAME_QUERY_TIMEO / 1000),
- (NAME_QUERY_TIMEO % 1000) * MILLION};
+ struct timespec timeout = TIMESPEC_INIT_MS(NAME_QUERY_TIMEO);
struct dir_query * query;
int ret;
uint8_t * buf;
@@ -1637,11 +1590,10 @@ static int eth_ipcp_query(const uint8_t * hash)
return ret;
}
-static int eth_ipcp_flow_alloc(int fd,
- const uint8_t * hash,
- qosspec_t qs,
- const void * data,
- size_t len)
+static int eth_ipcp_flow_alloc(int fd,
+ const uint8_t * hash,
+ qosspec_t qs,
+ const buffer_t * data)
{
#ifdef BUILD_ETH_LLC
uint8_t ssap = 0;
@@ -1649,12 +1601,11 @@ static int eth_ipcp_flow_alloc(int fd,
uint8_t r_addr[MAC_SIZE];
uint64_t addr = 0;
- log_dbg("Allocating flow to " HASH_FMT ".", HASH_VAL(hash));
-
assert(hash);
if (!shim_data_dir_has(eth_data.shim_data, hash)) {
- log_err("Destination unreachable.");
+ log_err("Destination "HASH_FMT32 "unreachable.",
+ HASH_VAL32(hash));
return -1;
}
addr = shim_data_dir_get_addr(eth_data.shim_data, hash);
@@ -1664,6 +1615,7 @@ static int eth_ipcp_flow_alloc(int fd,
ssap = bmp_allocate(eth_data.saps);
if (!bmp_is_id_valid(eth_data.saps, ssap)) {
pthread_rwlock_unlock(&eth_data.flows_lock);
+ log_err("Failed to allocate SSAP.");
return -1;
}
@@ -1682,34 +1634,29 @@ static int eth_ipcp_flow_alloc(int fd,
#endif
hash,
qs,
- data,
- len) < 0) {
+ data) < 0) {
#ifdef BUILD_ETH_LLC
pthread_rwlock_wrlock(&eth_data.flows_lock);
bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
eth_data.fd_to_ef[fd].sap = -1;
eth_data.ef_to_fd[ssap] = -1;
pthread_rwlock_unlock(&eth_data.flows_lock);
+ log_err("Failed to allocate with peer.");
#endif
return -1;
}
fset_add(eth_data.np1_flows, fd);
-#if defined(BUILD_ETH_DIX)
- log_dbg("Pending flow with fd %d.", fd);
-#elif defined(BUILD_ETH_LLC)
- log_dbg("Pending flow with fd %d on SAP %d.", fd, ssap);
+#if defined(BUILD_ETH_LLC)
+ log_dbg("Assigned SAP %d for fd %d.", ssap, fd);
#endif
return 0;
}
-static int eth_ipcp_flow_alloc_resp(int fd,
- int response,
- const void * data,
- size_t len)
+static int eth_ipcp_flow_alloc_resp(int fd,
+ int response,
+ const buffer_t * data)
{
- struct timespec ts = {0, ALLOC_TIMEO * MILLION};
- struct timespec abstime;
#if defined(BUILD_ETH_DIX)
uint16_t r_eid;
#elif defined(BUILD_ETH_LLC)
@@ -1718,27 +1665,11 @@ static int eth_ipcp_flow_alloc_resp(int fd,
#endif
uint8_t r_addr[MAC_SIZE];
- clock_gettime(PTHREAD_COND_CLOCK, &abstime);
-
- pthread_mutex_lock(&ipcpi.alloc_lock);
-
- while (ipcpi.alloc_id != fd && ipcp_get_state() == IPCP_OPERATIONAL) {
- ts_add(&abstime, &ts, &abstime);
- pthread_cond_timedwait(&ipcpi.alloc_cond,
- &ipcpi.alloc_lock,
- &abstime);
- }
-
- if (ipcp_get_state() != IPCP_OPERATIONAL) {
- pthread_mutex_unlock(&ipcpi.alloc_lock);
+ if (ipcp_wait_flow_resp(fd) < 0) {
+ log_err("Failed to wait for flow response.");
return -1;
}
- ipcpi.alloc_id = -1;
- pthread_cond_broadcast(&ipcpi.alloc_cond);
-
- pthread_mutex_unlock(&ipcpi.alloc_lock);
-
pthread_rwlock_wrlock(&eth_data.flows_lock);
#if defined(BUILD_ETH_DIX)
r_eid = eth_data.fd_to_ef[fd].r_eid;
@@ -1746,6 +1677,7 @@ static int eth_ipcp_flow_alloc_resp(int fd,
ssap = bmp_allocate(eth_data.saps);
if (!bmp_is_id_valid(eth_data.saps, ssap)) {
pthread_rwlock_unlock(&eth_data.flows_lock);
+ log_err("Failed to allocate SSAP.");
return -1;
}
@@ -1764,21 +1696,19 @@ static int eth_ipcp_flow_alloc_resp(int fd,
ssap, r_sap,
#endif
response,
- data,
- len) < 0) {
+ data) < 0) {
#ifdef BUILD_ETH_LLC
pthread_rwlock_wrlock(&eth_data.flows_lock);
bmp_release(eth_data.saps, eth_data.fd_to_ef[fd].sap);
pthread_rwlock_unlock(&eth_data.flows_lock);
#endif
+ log_err("Failed to respond to peer.");
return -1;
}
fset_add(eth_data.np1_flows, fd);
-#if defined(BUILD_ETH_DIX)
- log_dbg("Accepted flow, fd %d.", fd);
-#elif defined(BUILD_ETH_LLC)
- log_dbg("Accepted flow, fd %d, SAP %d.", fd, (uint8_t)ssap);
+#if defined(BUILD_ETH_LLC)
+ log_dbg("Assigned SAP %d for fd %d.", ssap, fd);
#endif
return 0;
}
@@ -1807,9 +1737,7 @@ static int eth_ipcp_flow_dealloc(int fd)
pthread_rwlock_unlock(&eth_data.flows_lock);
- flow_dealloc(fd);
-
- log_dbg("Flow with fd %d deallocated.", fd);
+ ipcp_flow_dealloc(fd);
return 0;
}
@@ -1833,9 +1761,6 @@ int main(int argc,
{
int i;
- if (ipcp_init(argc, argv, &eth_ops, THIS_TYPE) < 0)
- goto fail_init;
-
if (eth_data_init() < 0) {
#if defined(BUILD_ETH_DIX)
log_err("Failed to init eth-llc data.");
@@ -1845,18 +1770,17 @@ int main(int argc,
goto fail_data_init;
}
- if (ipcp_boot() < 0) {
- log_err("Failed to boot IPCP.");
- goto fail_boot;
+ if (ipcp_init(argc, argv, &eth_ops, THIS_TYPE) < 0) {
+ log_err("Failed to initialize IPCP.");
+ goto fail_init;
}
- if (ipcp_create_r(0)) {
- log_err("Failed to notify IRMd we are initialized.");
- ipcp_set_state(IPCP_NULL);
- goto fail_create_r;
+ if (ipcp_start() < 0) {
+ log_err("Failed to start IPCP.");
+ goto fail_start;
}
- ipcp_shutdown();
+ ipcp_sigwait();
if (ipcp_get_state() == IPCP_SHUTDOWN) {
for (i = 0; i < IPCP_ETH_WR_THR; ++i)
@@ -1879,19 +1803,18 @@ int main(int argc,
#endif
}
- eth_data_fini();
+ ipcp_stop();
ipcp_fini();
+ eth_data_fini();
+
exit(EXIT_SUCCESS);
- fail_create_r:
- ipcp_shutdown();
- fail_boot:
- eth_data_fini();
- fail_data_init:
+ fail_start:
ipcp_fini();
fail_init:
- ipcp_create_r(-1);
+ eth_data_fini();
+ fail_data_init:
exit(EXIT_FAILURE);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 15:12:22 +0000