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| author | Dimitri Staessens <dimitri.staessens@ugent.be> | 2018-06-05 14:42:49 +0200 |
|---|---|---|
| committer | Sander Vrijders <sander.vrijders@ugent.be> | 2018-06-05 15:00:21 +0200 |
| commit | f9bd3b31c8152b037bf1dbc3409a017d57d4a2e6 (patch) | |
| tree | c1a5946c76a9ac6066b8d4d162cb13b29a8bd8d3 /src/lib/dev.c | |
| parent | 635ffc5c1c8da07f3f34218280d6a25a29c78bc7 (diff) | |
| download | ouroboros-f9bd3b31c8152b037bf1dbc3409a017d57d4a2e6.tar.gz ouroboros-f9bd3b31c8152b037bf1dbc3409a017d57d4a2e6.zip | |
lib: Add a QOS_RAW QoS cube
This adds a QoS cube that allows sending packets directly over a raw
flow, without an FRCT state machine. Flow allocation with a NULL
qosspec will now default to such raw flows.
Signed-off-by: Dimitri Staessens <dimitri.staessens@ugent.be>
Signed-off-by: Sander Vrijders <sander.vrijders@ugent.be>
Diffstat (limited to 'src/lib/dev.c')
| -rw-r--r-- | src/lib/dev.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c index 4a1c6688..ee82bbaa 100644 --- a/src/lib/dev.c +++ b/src/lib/dev.c @@ -486,6 +486,7 @@ int flow_accept(qosspec_t * qs, irm_msg_t msg = IRM_MSG__INIT; irm_msg_t * recv_msg; int fd; + qoscube_t qc; msg.code = IRM_MSG_CODE__IRM_FLOW_ACCEPT; msg.has_pid = true; @@ -519,6 +520,8 @@ int flow_accept(qosspec_t * qs, return -EIRMD; } + qc = recv_msg->qoscube; + fd = flow_init(recv_msg->port_id, recv_msg->pid, recv_msg->qoscube); irm_msg__free_unpacked(recv_msg, NULL); @@ -532,11 +535,13 @@ int flow_accept(qosspec_t * qs, assert(ai.flows[fd].frcti == NULL); - ai.flows[fd].frcti = frcti_create(fd); - if (ai.flows[fd].frcti == NULL) { - flow_fini(fd); - pthread_rwlock_unlock(&ai.lock); - return -ENOMEM; + if (qc != QOS_CUBE_RAW) { + ai.flows[fd].frcti = frcti_create(fd); + if (ai.flows[fd].frcti == NULL) { + flow_fini(fd); + pthread_rwlock_unlock(&ai.lock); + return -ENOMEM; + } } if (qs != NULL) @@ -553,7 +558,7 @@ int flow_alloc(const char * dst, { irm_msg_t msg = IRM_MSG__INIT; irm_msg_t * recv_msg; - qoscube_t qc = QOS_CUBE_BE; + qoscube_t qc = QOS_CUBE_RAW; int fd; msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC; @@ -603,14 +608,15 @@ int flow_alloc(const char * dst, pthread_rwlock_wrlock(&ai.lock); - /* FIXME: check if FRCT is needed based on qc? */ assert(ai.flows[fd].frcti == NULL); - ai.flows[fd].frcti = frcti_create(fd); - if (ai.flows[fd].frcti == NULL) { - flow_fini(fd); - pthread_rwlock_unlock(&ai.lock); - return -ENOMEM; + if (qc != QOS_CUBE_RAW) { + ai.flows[fd].frcti = frcti_create(fd); + if (ai.flows[fd].frcti == NULL) { + flow_fini(fd); + pthread_rwlock_unlock(&ai.lock); + return -ENOMEM; + } } pthread_rwlock_unlock(&ai.lock); |