diff options
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/dev.c | 6 | ||||
| -rw-r--r-- | src/lib/frct.c | 75 |
2 files changed, 17 insertions, 64 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c index 1d1e9476..3d9e1d49 100644 --- a/src/lib/dev.c +++ b/src/lib/dev.c @@ -682,7 +682,6 @@ int fccntl(int fd, int cmd, ...) { - uint16_t sflags; uint32_t * fflags; uint16_t * cflags; va_list l; @@ -794,11 +793,6 @@ int fccntl(int fd, goto einval; *fflags = flow->oflags; break; - case FRCTSFLAGS: - sflags = (uint16_t) va_arg(l, int); - if (flow->frcti == NULL || frcti_setconf(flow->frcti, sflags)) - goto eperm; - break; case FRCTGFLAGS: cflags = (uint16_t *) va_arg(l, int *); if (cflags == NULL) diff --git a/src/lib/frct.c b/src/lib/frct.c index 296d5b2c..c057ba50 100644 --- a/src/lib/frct.c +++ b/src/lib/frct.c @@ -34,12 +34,9 @@ #define FRCT_CRCLEN (sizeof(uint32_t)) struct frct_cr { - bool drf; uint32_t lwe; uint32_t rwe; - uint32_t seqno; - bool conf; uint8_t cflags; time_t act; @@ -53,6 +50,8 @@ struct frcti { time_t a; time_t r; + uint32_t seqno; + struct frct_cr snd_cr; struct frct_cr rcv_cr; @@ -73,15 +72,12 @@ enum frct_flags { FRCT_ACK = 0x03, /* ACK field valid */ FRCT_FC = 0x08, /* FC window valid */ FRCT_RDVZ = 0x10, /* Rendez-vous */ - FRCT_CFG = 0x20, /* Configuration */ - FRCT_MFGM = 0x40, /* More fragments */ - FRCT_CRC = 0x80, /* CRC present */ + FRCT_MFGM = 0x20, /* More fragments */ + FRCT_CRC = 0x40, /* CRC present */ }; struct frct_pci { - uint8_t flags; - - uint8_t cflags; + uint16_t flags; uint16_t window; @@ -134,14 +130,13 @@ static struct frcti * frcti_create(int fd, delta_t = (frcti->mpl + frcti->a + frcti->r) / 1000; + frcti->snd_cr.inact = 3 * delta_t; + frcti->snd_cr.act = now.tv_sec - (frcti->snd_cr.inact + 1); + if (qc == QOS_CUBE_DATA) frcti->snd_cr.cflags |= FRCTFRTX; - frcti->snd_cr.conf = true; - frcti->snd_cr.inact = 3 * delta_t + 1; - frcti->snd_cr.act = now.tv_sec - (frcti->snd_cr.inact + 1); - - frcti->rcv_cr.inact = 2 * delta_t + 1; + frcti->rcv_cr.inact = 2 * delta_t; frcti->rcv_cr.act = now.tv_sec - (frcti->rcv_cr.inact + 1); return frcti; @@ -156,7 +151,7 @@ static void frcti_destroy(struct frcti * frcti) { /* * FIXME: In case of reliable transmission we should - * make sure everything is acked. + * make sure everything we sent is acked. */ pthread_rwlock_destroy(&frcti->lock); @@ -164,24 +159,6 @@ static void frcti_destroy(struct frcti * frcti) free(frcti); } -static int frcti_setconf(struct frcti * frcti, - uint16_t flags) -{ - assert(frcti); - - pthread_rwlock_wrlock(&frcti->lock); - - if (frcti->snd_cr.cflags != flags) { - frcti->snd_cr.cflags = flags; - frcti->snd_cr.conf = true; - frcti->snd_cr.drf = true; - } - - pthread_rwlock_unlock(&frcti->lock); - - return 0; -} - static uint16_t frcti_getconf(struct frcti * frcti) { uint16_t ret; @@ -219,14 +196,6 @@ static ssize_t __frcti_queued_pdu(struct frcti * frcti) pos = frcti->rcv_cr.lwe & (RQ_SIZE - 1); idx = frcti->rq[pos]; if (idx != -1) { - struct shm_du_buff * sdb; - struct frct_pci * pci; - - sdb = shm_rdrbuff_get(ai.rdrb, idx); - pci = (struct frct_pci *) shm_du_buff_head(sdb) - 1; - if (pci->flags & FRCT_CFG) - frcti->rcv_cr.cflags = pci->cflags; - ++frcti->rcv_cr.lwe; frcti->rq[pos] = -1; } @@ -297,28 +266,22 @@ static int __frcti_snd(struct frcti * frcti, } /* Set DRF if there are no unacknowledged packets. */ - if (snd_cr->seqno == snd_cr->lwe) + if (frcti->seqno == snd_cr->lwe) pci->flags |= FRCT_DRF; - if (snd_cr->conf) { - /* FIXME: This packet must be acked! */ - pci->flags |= FRCT_CFG; - pci->cflags = snd_cr->cflags; - } - /* Choose a new sequence number if sender inactivity expired. */ if (now.tv_sec - snd_cr->act > snd_cr->inact) { /* There are no unacknowledged packets. */ - assert(snd_cr->seqno == snd_cr->lwe); -#ifdef OUROBOROS_CONFIG_DEBUG - frcti->snd_cr.seqno = 0; + assert(frcti->seqno == snd_cr->lwe); +#ifdef CONFIG_OUROBOROS_DEBUG + frcti->seqno = 0; #else - random_buffer(&snd_cr->seqno, sizeof(snd_cr->seqno)); + random_buffer(&frcti->seqno, sizeof(frcti->seqno)); #endif - frcti->snd_cr.lwe = frcti->snd_cr.seqno; + frcti->snd_cr.lwe = frcti->seqno; } - pci->seqno = hton32(snd_cr->seqno++); + pci->seqno = hton32(frcti->seqno++); if (!(snd_cr->cflags & FRCTFRTX)) snd_cr->lwe++; else @@ -326,7 +289,6 @@ static int __frcti_snd(struct frcti * frcti, snd_cr->lwe++; snd_cr->act = now.tv_sec; - snd_cr->conf = false; pthread_rwlock_unlock(&frcti->lock); @@ -376,9 +338,6 @@ static int __frcti_rcv(struct frcti * frcti, if (seqno == rcv_cr->lwe) { ++rcv_cr->lwe; - /* Check for online reconfiguration. */ - if (pci->flags & FRCT_CFG) - rcv_cr->cflags = pci->cflags; } else { /* Out of order. */ if ((int32_t)(seqno - rcv_cr->lwe) < 0) /* Duplicate. */ goto drop_packet; |