/* Async. stream output */ static void fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) { struct mbuf *m; struct fw_xfer *xfer; struct fw_xferq *xferq; struct fw_pkt *fp; int i = 0; xfer = NULL; xferq = fwe->fd.fc->atq; while ((xferq->queued < xferq->maxq - 1) && (ifp->if_snd.ifq_head != NULL)) { FWE_LOCK(fwe); xfer = STAILQ_FIRST(&fwe->xferlist); if (xfer == NULL) { #if 0 printf("if_fwe: lack of xfer\n"); #endif FWE_UNLOCK(fwe); break; } STAILQ_REMOVE_HEAD(&fwe->xferlist, link); FWE_UNLOCK(fwe); IF_DEQUEUE(&ifp->if_snd, m); if (m == NULL) { FWE_LOCK(fwe); STAILQ_INSERT_HEAD(&fwe->xferlist, xfer, link); FWE_UNLOCK(fwe); break; } BPF_MTAP(ifp, m); /* keep ip packet alignment for alpha */ M_PREPEND(m, ETHER_ALIGN, M_NOWAIT); fp = &xfer->send.hdr; *(uint32_t *)&xfer->send.hdr = *(int32_t *)&fwe->pkt_hdr; fp->mode.stream.len = m->m_pkthdr.len; xfer->mbuf = m; xfer->send.pay_len = m->m_pkthdr.len; if (fw_asyreq(fwe->fd.fc, -1, xfer) != 0) { /* error */ if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); /* XXX set error code */ fwe_output_callback(xfer); } else { if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); i++; } } #if 0 if (i > 1) printf("%d queued\n", i); #endif if (i > 0) xferq->start(fwe->fd.fc); }
/* Async. stream output */ static void fwe_as_output(struct fwe_softc *fwe, struct ifnet *ifp) { struct mbuf *m; struct fw_xfer *xfer; struct fw_xferq *xferq; struct fw_pkt *fp; int i = 0; xfer = NULL; xferq = fwe->fd.fc->atq; while (xferq->queued < xferq->maxq) { IF_DEQUEUE(&ifp->if_snd, m); if (m == NULL) break; xfer = fw_xfer_alloc(); if (xfer == NULL) { return; } #if __FreeBSD_version >= 500000 BPF_MTAP(ifp, m); #else if (ifp->if_bpf != NULL) bpf_mtap(ifp, m); #endif xfer->send.off = 0; xfer->spd = 2; xfer->fc = fwe->fd.fc; xfer->retry_req = fw_asybusy; xfer->sc = (caddr_t)fwe; xfer->act.hand = fwe_output_callback; /* keep ip packet alignment for alpha */ M_PREPEND(m, ALIGN_PAD, M_DONTWAIT); fp = (struct fw_pkt *)&xfer->dst; /* XXX */ xfer->dst = *((int32_t *)&fwe->pkt_hdr); fp->mode.stream.len = htons(m->m_pkthdr.len); xfer->send.buf = (caddr_t) fp; xfer->mbuf = m; xfer->send.len = m->m_pkthdr.len + HDR_LEN; i++; if (fw_asyreq(xfer->fc, -1, xfer) != 0) { /* error */ ifp->if_oerrors ++; /* XXX set error code */ fwe_output_callback(xfer); } else { ifp->if_opackets ++; } } #if 0 if (i > 1) printf("%d queued\n", i); #endif if (xfer != NULL) xferq->start(xfer->fc); }