| if_de.c (68021) | if_de.c (69152) |
|---|---|
| 1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 | 1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 |
| 3/* $FreeBSD: head/sys/dev/de/if_de.c 68021 2000-10-31 01:25:10Z markm $ */ | 3/* $FreeBSD: head/sys/dev/de/if_de.c 69152 2000-11-25 07:35:38Z jlemon $ */ |
| 4 5/*- 6 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: --- 3184 unchanged lines hidden (view full) --- 3196 /* 3197 * Free all the mbufs that were on the transmit ring. 3198 */ 3199 for (;;) { 3200#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3201 bus_dmamap_t map; 3202#endif 3203 struct mbuf *m; | 4 5/*- 6 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: --- 3184 unchanged lines hidden (view full) --- 3196 /* 3197 * Free all the mbufs that were on the transmit ring. 3198 */ 3199 for (;;) { 3200#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3201 bus_dmamap_t map; 3202#endif 3203 struct mbuf *m; |
| 3204 IF_DEQUEUE(&sc->tulip_txq, m); | 3204 _IF_DEQUEUE(&sc->tulip_txq, m); |
| 3205 if (m == NULL) 3206 break; 3207#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3208 map = M_GETCTX(m, bus_dmamap_t); 3209 bus_dmamap_unload(sc->tulip_dmatag, map); 3210 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3211#endif 3212 m_freem(m); --- 29 unchanged lines hidden (view full) --- 3242 0, sc->tulip_rxdescmap->dm_mapsize, 3243 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3244#endif 3245 for (;;) { 3246#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3247 bus_dmamap_t map; 3248#endif 3249 struct mbuf *m; | 3205 if (m == NULL) 3206 break; 3207#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3208 map = M_GETCTX(m, bus_dmamap_t); 3209 bus_dmamap_unload(sc->tulip_dmatag, map); 3210 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3211#endif 3212 m_freem(m); --- 29 unchanged lines hidden (view full) --- 3242 0, sc->tulip_rxdescmap->dm_mapsize, 3243 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3244#endif 3245 for (;;) { 3246#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3247 bus_dmamap_t map; 3248#endif 3249 struct mbuf *m; |
| 3250 IF_DEQUEUE(&sc->tulip_rxq, m); | 3250 _IF_DEQUEUE(&sc->tulip_rxq, m); |
| 3251 if (m == NULL) 3252 break; 3253#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3254 map = M_GETCTX(m, bus_dmamap_t); 3255 bus_dmamap_unload(sc->tulip_dmatag, map); 3256 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3257#endif 3258 m_freem(m); --- 118 unchanged lines hidden (view full) --- 3377 break; 3378 3379 /* 3380 * 90% of the packets will fit in one descriptor. So we optimize 3381 * for that case. 3382 */ 3383 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3384 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { | 3251 if (m == NULL) 3252 break; 3253#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3254 map = M_GETCTX(m, bus_dmamap_t); 3255 bus_dmamap_unload(sc->tulip_dmatag, map); 3256 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3257#endif 3258 m_freem(m); --- 118 unchanged lines hidden (view full) --- 3377 break; 3378 3379 /* 3380 * 90% of the packets will fit in one descriptor. So we optimize 3381 * for that case. 3382 */ 3383 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3384 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { |
| 3385 IF_DEQUEUE(&sc->tulip_rxq, ms); | 3385 _IF_DEQUEUE(&sc->tulip_rxq, ms); |
| 3386 me = ms; 3387 } else { 3388 /* 3389 * If still owned by the TULIP, don't touch it. 3390 */ 3391 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3392 break; 3393 --- 23 unchanged lines hidden (view full) --- 3417 * this will be the only one we need to dequeue. However, if the 3418 * packet consumed multiple descriptors, then we need to dequeue 3419 * those buffers and chain to the starting mbuf. All buffers but 3420 * the last buffer have the same length so we can set that now. 3421 * (we add to last_offset instead of multiplying since we normally 3422 * won't go into the loop and thereby saving a ourselves from 3423 * doing a multiplication by 0 in the normal case). 3424 */ | 3386 me = ms; 3387 } else { 3388 /* 3389 * If still owned by the TULIP, don't touch it. 3390 */ 3391 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3392 break; 3393 --- 23 unchanged lines hidden (view full) --- 3417 * this will be the only one we need to dequeue. However, if the 3418 * packet consumed multiple descriptors, then we need to dequeue 3419 * those buffers and chain to the starting mbuf. All buffers but 3420 * the last buffer have the same length so we can set that now. 3421 * (we add to last_offset instead of multiplying since we normally 3422 * won't go into the loop and thereby saving a ourselves from 3423 * doing a multiplication by 0 in the normal case). 3424 */ |
| 3425 IF_DEQUEUE(&sc->tulip_rxq, ms); | 3425 _IF_DEQUEUE(&sc->tulip_rxq, ms); |
| 3426 for (me = ms; total_len > 0; total_len--) { 3427#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3428 map = M_GETCTX(me, bus_dmamap_t); 3429 TULIP_RXMAP_POSTSYNC(sc, map); 3430 bus_dmamap_unload(sc->tulip_dmatag, map); 3431 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3432#if defined(DIAGNOSTIC) 3433 M_SETCTX(me, NULL); 3434#endif 3435#endif /* TULIP_BUS_DMA */ 3436 me->m_len = TULIP_RX_BUFLEN; 3437 last_offset += TULIP_RX_BUFLEN; | 3426 for (me = ms; total_len > 0; total_len--) { 3427#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3428 map = M_GETCTX(me, bus_dmamap_t); 3429 TULIP_RXMAP_POSTSYNC(sc, map); 3430 bus_dmamap_unload(sc->tulip_dmatag, map); 3431 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3432#if defined(DIAGNOSTIC) 3433 M_SETCTX(me, NULL); 3434#endif 3435#endif /* TULIP_BUS_DMA */ 3436 me->m_len = TULIP_RX_BUFLEN; 3437 last_offset += TULIP_RX_BUFLEN; |
| 3438 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); | 3438 _IF_DEQUEUE(&sc->tulip_rxq, me->m_next); |
| 3439 me = me->m_next; 3440 } 3441 } 3442 3443 /* 3444 * Now get the size of received packet (minus the CRC). 3445 */ 3446 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; --- 192 unchanged lines hidden (view full) --- 3639 nextout->d_length1 = TULIP_RX_BUFLEN; 3640#endif /* TULIP_BUS_DMA */ 3641 nextout->d_status = TULIP_DSTS_OWNER; 3642 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3643 if (++ri->ri_nextout == ri->ri_last) 3644 ri->ri_nextout = ri->ri_first; 3645 me = ms->m_next; 3646 ms->m_next = NULL; | 3439 me = me->m_next; 3440 } 3441 } 3442 3443 /* 3444 * Now get the size of received packet (minus the CRC). 3445 */ 3446 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; --- 192 unchanged lines hidden (view full) --- 3639 nextout->d_length1 = TULIP_RX_BUFLEN; 3640#endif /* TULIP_BUS_DMA */ 3641 nextout->d_status = TULIP_DSTS_OWNER; 3642 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3643 if (++ri->ri_nextout == ri->ri_last) 3644 ri->ri_nextout = ri->ri_first; 3645 me = ms->m_next; 3646 ms->m_next = NULL; |
| 3647 IF_ENQUEUE(&sc->tulip_rxq, ms); | 3647 _IF_ENQUEUE(&sc->tulip_rxq, ms); |
| 3648 } while ((ms = me) != NULL); 3649 3650 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3651 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3652 TULIP_PERFEND(rxget); 3653 } 3654 3655#if defined(TULIP_DEBUG) --- 41 unchanged lines hidden (view full) --- 3697 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3698 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3699 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3700 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3701 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3702 } 3703 } else { 3704 const u_int32_t d_status = ri->ri_nextin->d_status; | 3648 } while ((ms = me) != NULL); 3649 3650 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3651 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3652 TULIP_PERFEND(rxget); 3653 } 3654 3655#if defined(TULIP_DEBUG) --- 41 unchanged lines hidden (view full) --- 3697 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3698 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3699 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3700 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3701 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3702 } 3703 } else { 3704 const u_int32_t d_status = ri->ri_nextin->d_status; |
| 3705 IF_DEQUEUE(&sc->tulip_txq, m); | 3705 _IF_DEQUEUE(&sc->tulip_txq, m); |
| 3706 if (m != NULL) { 3707#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3708 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3709 TULIP_TXMAP_POSTSYNC(sc, map); 3710 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3711#endif /* TULIP_BUS_DMA */ 3712 m_freem(m); 3713#if defined(TULIP_DEBUG) --- 624 unchanged lines hidden (view full) --- 4338 */ 4339 if (sc->tulip_if.if_bpf != NULL) 4340 bpf_mtap(&sc->tulip_if, m); 4341 4342 /* 4343 * The descriptors have been filled in. Now get ready 4344 * to transmit. 4345 */ | 3706 if (m != NULL) { 3707#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3708 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3709 TULIP_TXMAP_POSTSYNC(sc, map); 3710 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3711#endif /* TULIP_BUS_DMA */ 3712 m_freem(m); 3713#if defined(TULIP_DEBUG) --- 624 unchanged lines hidden (view full) --- 4338 */ 4339 if (sc->tulip_if.if_bpf != NULL) 4340 bpf_mtap(&sc->tulip_if, m); 4341 4342 /* 4343 * The descriptors have been filled in. Now get ready 4344 * to transmit. 4345 */ |
| 4346 IF_ENQUEUE(&sc->tulip_txq, m); | 4346 _IF_ENQUEUE(&sc->tulip_txq, m); |
| 4347 m = NULL; 4348 4349 /* 4350 * Make sure the next descriptor after this packet is owned 4351 * by us since it may have been set up above if we ran out 4352 * of room in the ring. 4353 */ 4354 nextout->d_status = 0; --- 919 unchanged lines hidden --- | 4347 m = NULL; 4348 4349 /* 4350 * Make sure the next descriptor after this packet is owned 4351 * by us since it may have been set up above if we ran out 4352 * of room in the ring. 4353 */ 4354 nextout->d_status = 0; --- 919 unchanged lines hidden --- |