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authorDimitri Staessens <dimitri.staessens@ugent.be>2018-10-06 18:06:47 +0200
committerDimitri Staessens <dimitri.staessens@ugent.be>2018-10-06 18:06:47 +0200
commit0b2e5c5410580c755cef02114e51f15b19cfaffa (patch)
tree63d684e6057c9caa43739b599d54a72f9959d4f8 /src/ipcpd/raptor/main.c
parentbfc29ca20406ccd69363b0f9796987534318e7ae (diff)
parentd9ad3852613cda026d4520b5c608ada7433dd7d9 (diff)
downloadouroboros-0b2e5c5410580c755cef02114e51f15b19cfaffa.tar.gz
ouroboros-0b2e5c5410580c755cef02114e51f15b19cfaffa.zip
Merge branch 'testing' into be
Diffstat (limited to 'src/ipcpd/raptor/main.c')
-rw-r--r--src/ipcpd/raptor/main.c211
1 files changed, 114 insertions, 97 deletions
diff --git a/src/ipcpd/raptor/main.c b/src/ipcpd/raptor/main.c
index 4f0099b3..8f578611 100644
--- a/src/ipcpd/raptor/main.c
+++ b/src/ipcpd/raptor/main.c
@@ -64,9 +64,9 @@
#include <sys/mman.h>
#define THIS_TYPE IPCP_RAPTOR
-#define MGMT_SAP 0x01
+#define MGMT_EID 0x01
#define MAC_SIZE 6
-#define MAX_SAPS 64
+#define MAX_EIDS 64
#define EVENT_WAIT_TIMEOUT 100 /* us */
#define NAME_QUERY_TIMEOUT 2000 /* ms */
@@ -90,16 +90,23 @@
#define NAME_QUERY_REPLY 3
struct mgmt_msg {
- uint8_t code;
- uint8_t ssap;
- uint8_t dsap;
- uint8_t qoscube;
- int8_t response;
+ uint8_t code;
+ uint8_t seid;
+ uint8_t deid;
+ int8_t response;
+ /* QoS parameters from spec, aligned */
+ uint32_t loss;
+ uint64_t bandwidth;
+ uint32_t ber;
+ uint32_t max_gap;
+ uint32_t delay;
+ uint8_t in_order;
+ uint8_t availability;
} __attribute__((packed));
struct ef {
- int8_t sap;
- int8_t r_sap;
+ int8_t eid;
+ int8_t r_eid;
};
struct mgmt_frame {
@@ -113,7 +120,7 @@ struct {
int ioctl_fd;
- struct bmp * saps;
+ struct bmp * eids;
fset_t * np1_flows;
fqueue_t * fq;
int * ef_to_fd;
@@ -145,13 +152,13 @@ static int raptor_data_init(void)
goto fail_fd_to_ef;
raptor_data.ef_to_fd =
- malloc(sizeof(*raptor_data.ef_to_fd) * MAX_SAPS);
+ malloc(sizeof(*raptor_data.ef_to_fd) * MAX_EIDS);
if (raptor_data.ef_to_fd == NULL)
goto fail_ef_to_fd;
- raptor_data.saps = bmp_create(MAX_SAPS, 2);
- if (raptor_data.saps == NULL)
- goto fail_saps;
+ raptor_data.eids = bmp_create(MAX_EIDS, 2);
+ if (raptor_data.eids == NULL)
+ goto fail_eids;
raptor_data.np1_flows = fset_create();
if (raptor_data.np1_flows == NULL)
@@ -161,12 +168,12 @@ static int raptor_data_init(void)
if (raptor_data.fq == NULL)
goto fail_fq;
- for (i = 0; i < MAX_SAPS; ++i)
+ for (i = 0; i < MAX_EIDS; ++i)
raptor_data.ef_to_fd[i] = -1;
for (i = 0; i < SYS_MAX_FLOWS; ++i) {
- raptor_data.fd_to_ef[i].sap = -1;
- raptor_data.fd_to_ef[i].r_sap = -1;
+ raptor_data.fd_to_ef[i].eid = -1;
+ raptor_data.fd_to_ef[i].r_eid = -1;
}
raptor_data.shim_data = shim_data_create();
@@ -210,8 +217,8 @@ static int raptor_data_init(void)
fail_fq:
fset_destroy(raptor_data.np1_flows);
fail_np1_flows:
- bmp_destroy(raptor_data.saps);
- fail_saps:
+ bmp_destroy(raptor_data.eids);
+ fail_eids:
free(raptor_data.ef_to_fd);
fail_ef_to_fd:
free(raptor_data.fd_to_ef);
@@ -227,13 +234,13 @@ static void raptor_data_fini(void)
pthread_rwlock_destroy(&raptor_data.flows_lock);
fqueue_destroy(raptor_data.fq);
fset_destroy(raptor_data.np1_flows);
- bmp_destroy(raptor_data.saps);
+ bmp_destroy(raptor_data.eids);
free(raptor_data.fd_to_ef);
free(raptor_data.ef_to_fd);
}
static int raptor_send_frame(struct shm_du_buff * sdb,
- uint8_t dsap)
+ uint8_t deid)
{
uint8_t * frame;
size_t frame_len;
@@ -263,7 +270,7 @@ static int raptor_send_frame(struct shm_du_buff * sdb,
frame[0] = (frame_len & 0x00FF) >> 0;
frame[1] = (frame_len & 0xFF00) >> 8;
- frame[2] = dsap;
+ frame[2] = deid;
memcpy(&frame[RAPTOR_HEADER], payload, len);
@@ -276,9 +283,9 @@ static int raptor_send_frame(struct shm_du_buff * sdb,
return 0;
}
-static int raptor_sap_alloc(uint8_t ssap,
+static int raptor_eid_alloc(uint8_t seid,
const uint8_t * hash,
- qoscube_t cube)
+ qosspec_t qs)
{
struct mgmt_msg * msg;
struct shm_du_buff * sdb;
@@ -288,14 +295,20 @@ static int raptor_sap_alloc(uint8_t ssap,
return -1;
}
- msg = (struct mgmt_msg *) shm_du_buff_head(sdb);
- msg->code = FLOW_REQ;
- msg->ssap = ssap;
- msg->qoscube = cube;
+ msg = (struct mgmt_msg *) shm_du_buff_head(sdb);
+ msg->code = FLOW_REQ;
+ msg->seid = seid;
+ msg->delay = hton32(qs.delay);
+ msg->bandwidth = hton64(qs.bandwidth);
+ msg->availability = qs.availability;
+ msg->loss = hton32(qs.loss);
+ msg->ber = hton32(qs.ber);
+ msg->in_order = qs.in_order;
+ msg->max_gap = hton32(qs.max_gap);
memcpy(msg + 1, hash, ipcp_dir_hash_len());
- if (raptor_send_frame(sdb, MGMT_SAP)) {
+ if (raptor_send_frame(sdb, MGMT_EID)) {
log_err("Failed to send management frame.");
ipcp_sdb_release(sdb);
return -1;
@@ -306,25 +319,25 @@ static int raptor_sap_alloc(uint8_t ssap,
return 0;
}
-static int raptor_sap_alloc_resp(uint8_t ssap,
- uint8_t dsap,
- int response)
+static int raptor_eid_alloc_resp(uint8_t seid,
+ uint8_t deid,
+ int response)
{
- struct mgmt_msg * msg;
+ struct mgmt_msg * msg;
struct shm_du_buff * sdb;
if (ipcp_sdb_reserve(&sdb, sizeof(*msg)) < 0) {
- log_err("failed to reserve sdb for management frame.");
+ log_err("Failed to reserve sdb for management frame.");
return -1;
}
msg = (struct mgmt_msg *) shm_du_buff_head(sdb);
msg->code = FLOW_REPLY;
- msg->ssap = ssap;
- msg->dsap = dsap;
+ msg->seid = seid;
+ msg->deid = deid;
msg->response = response;
- if (raptor_send_frame(sdb, MGMT_SAP)) {
+ if (raptor_send_frame(sdb, MGMT_EID)) {
log_err("Failed to send management frame.");
ipcp_sdb_release(sdb);
return -1;
@@ -335,9 +348,9 @@ static int raptor_sap_alloc_resp(uint8_t ssap,
return 0;
}
-static int raptor_sap_req(uint8_t r_sap,
+static int raptor_eid_req(uint8_t r_eid,
const uint8_t * dst,
- qoscube_t cube)
+ qosspec_t qs)
{
struct timespec ts = {0, EVENT_WAIT_TIMEOUT * 1000};
struct timespec abstime;
@@ -361,7 +374,7 @@ static int raptor_sap_req(uint8_t r_sap,
}
/* reply to IRM, called under lock to prevent race */
- fd = ipcp_flow_req_arr(getpid(), dst, ipcp_dir_hash_len(), cube);
+ fd = ipcp_flow_req_arr(getpid(), dst, ipcp_dir_hash_len(), qs);
if (fd < 0) {
pthread_mutex_unlock(&ipcpi.alloc_lock);
log_err("Could not get new flow from IRMd.");
@@ -370,7 +383,7 @@ static int raptor_sap_req(uint8_t r_sap,
pthread_rwlock_wrlock(&raptor_data.flows_lock);
- raptor_data.fd_to_ef[fd].r_sap = r_sap;
+ raptor_data.fd_to_ef[fd].r_eid = r_eid;
ipcpi.alloc_id = fd;
pthread_cond_broadcast(&ipcpi.alloc_cond);
@@ -378,13 +391,13 @@ static int raptor_sap_req(uint8_t r_sap,
pthread_rwlock_unlock(&raptor_data.flows_lock);
pthread_mutex_unlock(&ipcpi.alloc_lock);
- log_dbg("New flow request, fd %d, remote SAP %d.", fd, r_sap);
+ log_dbg("New flow request, fd %d, remote EID %d.", fd, r_eid);
return 0;
}
-static int raptor_sap_alloc_reply(uint8_t ssap,
- int dsap,
+static int raptor_eid_alloc_reply(uint8_t seid,
+ int deid,
int response)
{
int ret = 0;
@@ -392,21 +405,21 @@ static int raptor_sap_alloc_reply(uint8_t ssap,
pthread_rwlock_wrlock(&raptor_data.flows_lock);
- fd = raptor_data.ef_to_fd[dsap];
+ fd = raptor_data.ef_to_fd[deid];
if (fd < 0) {
pthread_rwlock_unlock(& raptor_data.flows_lock);
- log_err("No flow found with that SAP.");
+ log_err("No flow found with that EID.");
return -1; /* -EFLOWNOTFOUND */
}
if (response)
- bmp_release(raptor_data.saps, raptor_data.fd_to_ef[fd].sap);
+ bmp_release(raptor_data.eids, raptor_data.fd_to_ef[fd].eid);
else
- raptor_data.fd_to_ef[fd].r_sap = ssap;
+ raptor_data.fd_to_ef[fd].r_eid = seid;
pthread_rwlock_unlock(&raptor_data.flows_lock);
- log_dbg("Flow reply, fd %d, SSAP %d, DSAP %d.", fd, ssap, dsap);
+ log_dbg("Flow reply, fd %d, SEID %d, DEID %d.", fd, seid, deid);
if ((ret = ipcp_flow_alloc_reply(fd, response)) < 0)
return -1;
@@ -424,16 +437,16 @@ static int raptor_name_query_req(const uint8_t * hash)
return 0;
if (ipcp_sdb_reserve(&sdb, sizeof(*msg) + ipcp_dir_hash_len()) < 0) {
- log_err("failed to reserve sdb for management frame.");
+ log_err("Failed to reserve sdb for management frame.");
return -1;
}
- msg = (struct mgmt_msg *) shm_du_buff_head(sdb);
- msg->code = NAME_QUERY_REPLY;
+ msg = (struct mgmt_msg *) shm_du_buff_head(sdb);
+ msg->code = NAME_QUERY_REPLY;
memcpy(msg + 1, hash, ipcp_dir_hash_len());
- if (raptor_send_frame(sdb, MGMT_SAP)) {
+ if (raptor_send_frame(sdb, MGMT_EID)) {
log_err("Failed to send management frame.");
ipcp_sdb_release(sdb);
return -1;
@@ -456,8 +469,9 @@ static int raptor_name_query_reply(const uint8_t * hash)
static int raptor_mgmt_frame(const uint8_t * buf,
size_t len)
{
- struct mgmt_msg * msg = (struct mgmt_msg *) buf;
- uint8_t * hash = (uint8_t *) (msg + 1);
+ struct mgmt_msg * msg = (struct mgmt_msg *) buf;
+ uint8_t * hash = (uint8_t *) (msg + 1);
+ qosspec_t qs;
switch (msg->code) {
case FLOW_REQ:
@@ -466,8 +480,16 @@ static int raptor_mgmt_frame(const uint8_t * buf,
return -1;
}
+ qs.delay = ntoh32(msg->delay);
+ qs.bandwidth = ntoh64(msg->bandwidth);
+ qs.availability = msg->availability;
+ qs.loss = ntoh32(msg->loss);
+ qs.ber = ntoh32(msg->ber);
+ qs.in_order = msg->in_order;
+ qs.max_gap = ntoh32(msg->max_gap);
+
if (shim_data_reg_has(raptor_data.shim_data, hash))
- raptor_sap_req(msg->ssap, hash, msg->qoscube);
+ raptor_eid_req(msg->seid, hash, qs);
break;
case FLOW_REPLY:
if (len != sizeof(*msg)) {
@@ -475,7 +497,7 @@ static int raptor_mgmt_frame(const uint8_t * buf,
return -1;
}
- raptor_sap_alloc_reply(msg->ssap, msg->dsap, msg->response);
+ raptor_eid_alloc_reply(msg->seid, msg->deid, msg->response);
break;
case NAME_QUERY_REQ:
if (len != sizeof(*msg) + ipcp_dir_hash_len()) {
@@ -552,7 +574,7 @@ static void * raptor_mgmt_handler(void * o)
static void raptor_recv_frame(uint8_t * frame)
{
- uint8_t dsap;
+ uint8_t deid;
uint8_t * payload;
size_t frame_len;
size_t length;
@@ -577,14 +599,14 @@ static void raptor_recv_frame(uint8_t * frame)
return;
}
- dsap = frame[2];
+ deid = frame[2];
payload = &frame[RAPTOR_HEADER];
length = frame_len - RAPTOR_HEADER;
shm_du_buff_head_release(sdb, RAPTOR_HEADER);
shm_du_buff_tail_release(sdb, RAPTOR_PAGE - frame_len);
- if (dsap == MGMT_SAP) {
+ if (deid == MGMT_EID) {
pthread_mutex_lock(&raptor_data.mgmt_lock);
mgmt_frame = malloc(sizeof(*mgmt_frame));
@@ -604,7 +626,7 @@ static void raptor_recv_frame(uint8_t * frame)
} else {
pthread_rwlock_rdlock(&raptor_data.flows_lock);
- fd = raptor_data.ef_to_fd[dsap];
+ fd = raptor_data.ef_to_fd[deid];
if (fd < 0) {
pthread_rwlock_unlock(&raptor_data.flows_lock);
ipcp_sdb_release(sdb);
@@ -647,7 +669,7 @@ static void * raptor_send_thread(void * o)
struct timespec timeout = {0, EVENT_WAIT_TIMEOUT * 1000};
int fd;
struct shm_du_buff * sdb;
- uint8_t dsap;
+ uint8_t deid;
(void) o;
@@ -662,9 +684,9 @@ static void * raptor_send_thread(void * o)
continue;
}
- dsap = raptor_data.fd_to_ef[fd].r_sap;
+ deid = raptor_data.fd_to_ef[fd].r_eid;
- raptor_send_frame(sdb, dsap);
+ raptor_send_frame(sdb, deid);
}
pthread_rwlock_unlock(&raptor_data.flows_lock);
}
@@ -886,7 +908,7 @@ static int raptor_query(const uint8_t * hash)
return -1;
}
- if (raptor_send_frame(sdb, MGMT_SAP)) {
+ if (raptor_send_frame(sdb, MGMT_EID)) {
log_err("Failed to send management frame.");
ipcp_sdb_release(sdb);
return -1;
@@ -901,19 +923,14 @@ static int raptor_query(const uint8_t * hash)
static int raptor_flow_alloc(int fd,
const uint8_t * hash,
- qoscube_t cube)
+ qosspec_t qs)
{
- uint8_t ssap = 0;
+ uint8_t seid = 0;
log_dbg("Allocating flow to " HASH_FMT ".", HASH_VAL(hash));
assert(hash);
- if (cube != QOS_CUBE_BE) {
- log_dbg("Unsupported QoS requested.");
- return -1;
- }
-
if (!shim_data_dir_has(raptor_data.shim_data, hash)) {
log_err("Destination unreachable.");
return -1;
@@ -921,29 +938,29 @@ static int raptor_flow_alloc(int fd,
pthread_rwlock_wrlock(&raptor_data.flows_lock);
- ssap = bmp_allocate(raptor_data.saps);
- if (!bmp_is_id_valid(raptor_data.saps, ssap)) {
+ seid = bmp_allocate(raptor_data.eids);
+ if (!bmp_is_id_valid(raptor_data.eids, seid)) {
pthread_rwlock_unlock(&raptor_data.flows_lock);
return -1;
}
- raptor_data.fd_to_ef[fd].sap = ssap;
- raptor_data.ef_to_fd[ssap] = fd;
+ raptor_data.fd_to_ef[fd].eid = seid;
+ raptor_data.ef_to_fd[seid] = fd;
pthread_rwlock_unlock(&raptor_data.flows_lock);
- if (raptor_sap_alloc(ssap, hash, cube) < 0) {
+ if (raptor_eid_alloc(seid, hash, qs) < 0) {
pthread_rwlock_wrlock(&raptor_data.flows_lock);
- bmp_release(raptor_data.saps, raptor_data.fd_to_ef[fd].sap);
- raptor_data.fd_to_ef[fd].sap = -1;
- raptor_data.ef_to_fd[ssap] = -1;
+ bmp_release(raptor_data.eids, raptor_data.fd_to_ef[fd].eid);
+ raptor_data.fd_to_ef[fd].eid = -1;
+ raptor_data.ef_to_fd[seid] = -1;
pthread_rwlock_unlock(&raptor_data.flows_lock);
return -1;
}
fset_add(raptor_data.np1_flows, fd);
- log_dbg("Pending flow with fd %d on SAP %d.", fd, ssap);
+ log_dbg("Pending flow with fd %d on EID %d.", fd, seid);
return 0;
}
@@ -953,8 +970,8 @@ static int raptor_flow_alloc_resp(int fd,
{
struct timespec ts = {0, EVENT_WAIT_TIMEOUT * 1000};
struct timespec abstime;
- uint8_t ssap = 0;
- uint8_t r_sap = 0;
+ uint8_t seid = 0;
+ uint8_t r_eid = 0;
clock_gettime(PTHREAD_COND_CLOCK, &abstime);
@@ -979,35 +996,35 @@ static int raptor_flow_alloc_resp(int fd,
pthread_rwlock_wrlock(&raptor_data.flows_lock);
- ssap = bmp_allocate(raptor_data.saps);
- if (!bmp_is_id_valid(raptor_data.saps, ssap)) {
+ seid = bmp_allocate(raptor_data.eids);
+ if (!bmp_is_id_valid(raptor_data.eids, seid)) {
pthread_rwlock_unlock(&raptor_data.flows_lock);
return -1;
}
- raptor_data.fd_to_ef[fd].sap = ssap;
- r_sap = raptor_data.fd_to_ef[fd].r_sap;
- raptor_data.ef_to_fd[ssap] = fd;
+ raptor_data.fd_to_ef[fd].eid = seid;
+ r_eid = raptor_data.fd_to_ef[fd].r_eid;
+ raptor_data.ef_to_fd[seid] = fd;
pthread_rwlock_unlock(&raptor_data.flows_lock);
- if (raptor_sap_alloc_resp(ssap, r_sap, response) < 0) {
+ if (raptor_eid_alloc_resp(seid, r_eid, response) < 0) {
pthread_rwlock_wrlock(&raptor_data.flows_lock);
- bmp_release(raptor_data.saps, raptor_data.fd_to_ef[fd].sap);
+ bmp_release(raptor_data.eids, raptor_data.fd_to_ef[fd].eid);
pthread_rwlock_unlock(&raptor_data.flows_lock);
return -1;
}
fset_add(raptor_data.np1_flows, fd);
- log_dbg("Accepted flow, fd %d, SAP %d.", fd, (uint8_t)ssap);
+ log_dbg("Accepted flow, fd %d, EID %d.", fd, (uint8_t)seid);
return 0;
}
static int raptor_flow_dealloc(int fd)
{
- uint8_t sap;
+ uint8_t eid;
ipcp_flow_fini(fd);
@@ -1015,12 +1032,12 @@ static int raptor_flow_dealloc(int fd)
fset_del(raptor_data.np1_flows, fd);
- sap = raptor_data.fd_to_ef[fd].sap;
- bmp_release(raptor_data.saps, sap);
- raptor_data.fd_to_ef[fd].sap = -1;
- raptor_data.fd_to_ef[fd].r_sap = -1;
+ eid = raptor_data.fd_to_ef[fd].eid;
+ bmp_release(raptor_data.eids, eid);
+ raptor_data.fd_to_ef[fd].eid = -1;
+ raptor_data.fd_to_ef[fd].r_eid = -1;
- raptor_data.ef_to_fd[sap] = -1;
+ raptor_data.ef_to_fd[eid] = -1;
pthread_rwlock_unlock(&raptor_data.flows_lock);