diff options
| author | Vincenzo Maffione <vmaffione@FreeBSD.org> | 2019-02-12 09:07:46 +0000 |
|---|---|---|
| committer | Vincenzo Maffione <vmaffione@FreeBSD.org> | 2019-02-12 09:07:46 +0000 |
| commit | 01e8e2c2d6d31a2e328e090ab1feda3a68c0d094 (patch) | |
| tree | c31a9050e739bd2a451025ca5f14a5c744aa1860 /sys/dev/netmap/netmap.c | |
| parent | 845ef9bc3f13b52e6d5f21f78acf02621ca596d0 (diff) | |
Notes
Diffstat (limited to 'sys/dev/netmap/netmap.c')
| -rw-r--r-- | sys/dev/netmap/netmap.c | 79 |
1 files changed, 49 insertions, 30 deletions
diff --git a/sys/dev/netmap/netmap.c b/sys/dev/netmap/netmap.c index 52df4f408867..fc5cba2dbaca 100644 --- a/sys/dev/netmap/netmap.c +++ b/sys/dev/netmap/netmap.c @@ -893,7 +893,7 @@ netmap_krings_create(struct netmap_adapter *na, u_int tailroom) kring->rtail = kring->nr_hwtail = (t == NR_TX ? ndesc - 1 : 0); snprintf(kring->name, sizeof(kring->name) - 1, "%s %s%d", na->name, nm_txrx2str(t), i); - ND("ktx %s h %d c %d t %d", + nm_prdis("ktx %s h %d c %d t %d", kring->name, kring->rhead, kring->rcur, kring->rtail); mtx_init(&kring->q_lock, (t == NR_TX ? "nm_txq_lock" : "nm_rxq_lock"), NULL, MTX_DEF); nm_os_selinfo_init(&kring->si); @@ -946,7 +946,7 @@ netmap_hw_krings_delete(struct netmap_adapter *na) for (i = nma_get_nrings(na, NR_RX); i < lim; i++) { struct mbq *q = &NMR(na, NR_RX)[i]->rx_queue; - ND("destroy sw mbq with len %d", mbq_len(q)); + nm_prdis("destroy sw mbq with len %d", mbq_len(q)); mbq_purge(q); mbq_safe_fini(q); } @@ -1167,7 +1167,7 @@ netmap_grab_packets(struct netmap_kring *kring, struct mbq *q, int force) if ((slot->flags & NS_FORWARD) == 0 && !force) continue; if (slot->len < 14 || slot->len > NETMAP_BUF_SIZE(na)) { - RD(5, "bad pkt at %d len %d", n, slot->len); + nm_prlim(5, "bad pkt at %d len %d", n, slot->len); continue; } slot->flags &= ~NS_FORWARD; // XXX needed ? @@ -1281,7 +1281,7 @@ netmap_txsync_to_host(struct netmap_kring *kring, int flags) */ mbq_init(&q); netmap_grab_packets(kring, &q, 1 /* force */); - ND("have %d pkts in queue", mbq_len(&q)); + nm_prdis("have %d pkts in queue", mbq_len(&q)); kring->nr_hwcur = head; kring->nr_hwtail = head + lim; if (kring->nr_hwtail > lim) @@ -1329,7 +1329,7 @@ netmap_rxsync_from_host(struct netmap_kring *kring, int flags) struct netmap_slot *slot = &ring->slot[nm_i]; m_copydata(m, 0, len, NMB(na, slot)); - ND("nm %d len %d", nm_i, len); + nm_prdis("nm %d len %d", nm_i, len); if (netmap_debug & NM_DEBUG_HOST) nm_prinf("%s", nm_dump_buf(NMB(na, slot),len, 128, NULL)); @@ -1594,7 +1594,7 @@ netmap_unget_na(struct netmap_adapter *na, struct ifnet *ifp) #define NM_FAIL_ON(t) do { \ if (unlikely(t)) { \ - RD(5, "%s: fail '" #t "' " \ + nm_prlim(5, "%s: fail '" #t "' " \ "h %d c %d t %d " \ "rh %d rc %d rt %d " \ "hc %d ht %d", \ @@ -1626,7 +1626,7 @@ nm_txsync_prologue(struct netmap_kring *kring, struct netmap_ring *ring) u_int cur = ring->cur; /* read only once */ u_int n = kring->nkr_num_slots; - ND(5, "%s kcur %d ktail %d head %d cur %d tail %d", + nm_prdis(5, "%s kcur %d ktail %d head %d cur %d tail %d", kring->name, kring->nr_hwcur, kring->nr_hwtail, ring->head, ring->cur, ring->tail); @@ -1662,7 +1662,7 @@ nm_txsync_prologue(struct netmap_kring *kring, struct netmap_ring *ring) } } if (ring->tail != kring->rtail) { - RD(5, "%s tail overwritten was %d need %d", kring->name, + nm_prlim(5, "%s tail overwritten was %d need %d", kring->name, ring->tail, kring->rtail); ring->tail = kring->rtail; } @@ -1689,7 +1689,7 @@ nm_rxsync_prologue(struct netmap_kring *kring, struct netmap_ring *ring) uint32_t const n = kring->nkr_num_slots; uint32_t head, cur; - ND(5,"%s kc %d kt %d h %d c %d t %d", + nm_prdis(5,"%s kc %d kt %d h %d c %d t %d", kring->name, kring->nr_hwcur, kring->nr_hwtail, ring->head, ring->cur, ring->tail); @@ -1724,7 +1724,7 @@ nm_rxsync_prologue(struct netmap_kring *kring, struct netmap_ring *ring) } } if (ring->tail != kring->rtail) { - RD(5, "%s tail overwritten was %d need %d", + nm_prlim(5, "%s tail overwritten was %d need %d", kring->name, ring->tail, kring->rtail); ring->tail = kring->rtail; @@ -1753,7 +1753,7 @@ netmap_ring_reinit(struct netmap_kring *kring) int errors = 0; // XXX KASSERT nm_kr_tryget - RD(10, "called for %s", kring->name); + nm_prlim(10, "called for %s", kring->name); // XXX probably wrong to trust userspace kring->rhead = ring->head; kring->rcur = ring->cur; @@ -1769,17 +1769,17 @@ netmap_ring_reinit(struct netmap_kring *kring) u_int idx = ring->slot[i].buf_idx; u_int len = ring->slot[i].len; if (idx < 2 || idx >= kring->na->na_lut.objtotal) { - RD(5, "bad index at slot %d idx %d len %d ", i, idx, len); + nm_prlim(5, "bad index at slot %d idx %d len %d ", i, idx, len); ring->slot[i].buf_idx = 0; ring->slot[i].len = 0; } else if (len > NETMAP_BUF_SIZE(kring->na)) { ring->slot[i].len = 0; - RD(5, "bad len at slot %d idx %d len %d", i, idx, len); + nm_prlim(5, "bad len at slot %d idx %d len %d", i, idx, len); } } if (errors) { - RD(10, "total %d errors", errors); - RD(10, "%s reinit, cur %d -> %d tail %d -> %d", + nm_prlim(10, "total %d errors", errors); + nm_prlim(10, "%s reinit, cur %d -> %d tail %d -> %d", kring->name, ring->cur, kring->nr_hwcur, ring->tail, kring->nr_hwtail); @@ -1816,7 +1816,7 @@ netmap_interp_ringid(struct netmap_priv_d *priv, uint32_t nr_mode, case NR_REG_NULL: priv->np_qfirst[t] = 0; priv->np_qlast[t] = nma_get_nrings(na, t); - ND("ALL/PIPE: %s %d %d", nm_txrx2str(t), + nm_prdis("ALL/PIPE: %s %d %d", nm_txrx2str(t), priv->np_qfirst[t], priv->np_qlast[t]); break; case NR_REG_SW: @@ -1828,7 +1828,7 @@ netmap_interp_ringid(struct netmap_priv_d *priv, uint32_t nr_mode, priv->np_qfirst[t] = (nr_mode == NR_REG_SW ? nma_get_nrings(na, t) : 0); priv->np_qlast[t] = netmap_all_rings(na, t); - ND("%s: %s %d %d", nr_mode == NR_REG_SW ? "SW" : "NIC+SW", + nm_prdis("%s: %s %d %d", nr_mode == NR_REG_SW ? "SW" : "NIC+SW", nm_txrx2str(t), priv->np_qfirst[t], priv->np_qlast[t]); break; @@ -1844,7 +1844,7 @@ netmap_interp_ringid(struct netmap_priv_d *priv, uint32_t nr_mode, j = 0; priv->np_qfirst[t] = j; priv->np_qlast[t] = j + 1; - ND("ONE_NIC: %s %d %d", nm_txrx2str(t), + nm_prdis("ONE_NIC: %s %d %d", nm_txrx2str(t), priv->np_qfirst[t], priv->np_qlast[t]); break; default: @@ -1953,7 +1953,7 @@ netmap_krings_get(struct netmap_priv_d *priv) if ((kring->nr_kflags & NKR_EXCLUSIVE) || (kring->users && excl)) { - ND("ring %s busy", kring->name); + nm_prdis("ring %s busy", kring->name); return EBUSY; } } @@ -1988,7 +1988,7 @@ netmap_krings_put(struct netmap_priv_d *priv) int excl = (priv->np_flags & NR_EXCLUSIVE); enum txrx t; - ND("%s: releasing tx [%d, %d) rx [%d, %d)", + nm_prdis("%s: releasing tx [%d, %d) rx [%d, %d)", na->name, priv->np_qfirst[NR_TX], priv->np_qlast[NR_TX], @@ -2253,7 +2253,7 @@ netmap_do_regif(struct netmap_priv_d *priv, struct netmap_adapter *na, error = netmap_mem_get_lut(na->nm_mem, &na->na_lut); if (error) goto err_drop_mem; - ND("lut %p bufs %u size %u", na->na_lut.lut, na->na_lut.objtotal, + nm_prdis("lut %p bufs %u size %u", na->na_lut.lut, na->na_lut.objtotal, na->na_lut.objsize); /* ring configuration may have changed, fetch from the card */ @@ -2275,7 +2275,7 @@ netmap_do_regif(struct netmap_priv_d *priv, struct netmap_adapter *na, /* This netmap adapter is attached to an ifnet. */ unsigned mtu = nm_os_ifnet_mtu(na->ifp); - ND("%s: mtu %d rx_buf_maxsize %d netmap_buf_size %d", + nm_prdis("%s: mtu %d rx_buf_maxsize %d netmap_buf_size %d", na->name, mtu, na->rx_buf_maxsize, NETMAP_BUF_SIZE(na)); if (na->rx_buf_maxsize == 0) { @@ -2372,7 +2372,7 @@ nm_sync_finalize(struct netmap_kring *kring) */ kring->ring->tail = kring->rtail = kring->nr_hwtail; - ND(5, "%s now hwcur %d hwtail %d head %d cur %d tail %d", + nm_prdis(5, "%s now hwcur %d hwtail %d head %d cur %d tail %d", kring->name, kring->nr_hwcur, kring->nr_hwtail, kring->rhead, kring->rcur, kring->rtail); } @@ -3770,7 +3770,7 @@ netmap_hw_krings_create(struct netmap_adapter *na) for (i = na->num_rx_rings; i < lim; i++) { mbq_safe_init(&NMR(na, NR_RX)[i]->rx_queue); } - ND("initialized sw rx queue %d", na->num_rx_rings); + nm_prdis("initialized sw rx queue %d", na->num_rx_rings); } return ret; } @@ -3871,13 +3871,13 @@ netmap_transmit(struct ifnet *ifp, struct mbuf *m) if (!netmap_generic_hwcsum) { if (nm_os_mbuf_has_csum_offld(m)) { - RD(1, "%s drop mbuf that needs checksum offload", na->name); + nm_prlim(1, "%s drop mbuf that needs checksum offload", na->name); goto done; } } if (nm_os_mbuf_has_seg_offld(m)) { - RD(1, "%s drop mbuf that needs generic segmentation offload", na->name); + nm_prlim(1, "%s drop mbuf that needs generic segmentation offload", na->name); goto done; } @@ -3897,11 +3897,11 @@ netmap_transmit(struct ifnet *ifp, struct mbuf *m) if (busy < 0) busy += kring->nkr_num_slots; if (busy + mbq_len(q) >= kring->nkr_num_slots - 1) { - RD(2, "%s full hwcur %d hwtail %d qlen %d", na->name, + nm_prlim(2, "%s full hwcur %d hwtail %d qlen %d", na->name, kring->nr_hwcur, kring->nr_hwtail, mbq_len(q)); } else { mbq_enqueue(q, m); - ND(2, "%s %d bufs in queue", na->name, mbq_len(q)); + nm_prdis(2, "%s %d bufs in queue", na->name, mbq_len(q)); /* notify outside the lock */ m = NULL; error = 0; @@ -3937,7 +3937,7 @@ netmap_reset(struct netmap_adapter *na, enum txrx tx, u_int n, int new_hwofs, lim; if (!nm_native_on(na)) { - ND("interface not in native netmap mode"); + nm_prdis("interface not in native netmap mode"); return NULL; /* nothing to reinitialize */ } @@ -4079,7 +4079,7 @@ netmap_rx_irq(struct ifnet *ifp, u_int q, u_int *work_done) return NM_IRQ_PASS; if (na->na_flags & NAF_SKIP_INTR) { - ND("use regular interrupt"); + nm_prdis("use regular interrupt"); return NM_IRQ_PASS; } @@ -4120,6 +4120,25 @@ nm_clear_native_flags(struct netmap_adapter *na) na->na_flags &= ~NAF_NETMAP_ON; } +void +netmap_krings_mode_commit(struct netmap_adapter *na, int onoff) +{ + enum txrx t; + + for_rx_tx(t) { + int i; + + for (i = 0; i < netmap_real_rings(na, t); i++) { + struct netmap_kring *kring = NMR(na, t)[i]; + + if (onoff && nm_kring_pending_on(kring)) + kring->nr_mode = NKR_NETMAP_ON; + else if (!onoff && nm_kring_pending_off(kring)) + kring->nr_mode = NKR_NETMAP_OFF; + } + } +} + /* * Module loader and unloader * |
