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head/sys/dev/ena/ena_netmap.c
| Show First 20 Lines • Show All 200 Lines • ▼ Show 20 Lines | ena_netmap_free_rx_slot(struct ena_adapter *adapter, | ||||
| if (kring->nr_mode != NKR_NETMAP_ON) | if (kring->nr_mode != NKR_NETMAP_ON) | ||||
| return; | return; | ||||
| bus_dmamap_sync(adapter->rx_buf_tag, rx_info->map, | bus_dmamap_sync(adapter->rx_buf_tag, rx_info->map, | ||||
| BUS_DMASYNC_POSTREAD); | BUS_DMASYNC_POSTREAD); | ||||
| netmap_unload_map(na, adapter->rx_buf_tag, rx_info->map); | netmap_unload_map(na, adapter->rx_buf_tag, rx_info->map); | ||||
| KASSERT(kring->ring == NULL, ("Netmap Rx ring is NULL\n")); | |||||
| slot = &kring->ring->slot[nm_i]; | slot = &kring->ring->slot[nm_i]; | ||||
| ENA_ASSERT(slot->buf_idx == 0, "Overwrite slot buf\n"); | ENA_ASSERT(slot->buf_idx == 0, "Overwrite slot buf\n"); | ||||
| slot->buf_idx = rx_info->netmap_buf_idx; | slot->buf_idx = rx_info->netmap_buf_idx; | ||||
| slot->flags = NS_BUF_CHANGED; | slot->flags = NS_BUF_CHANGED; | ||||
| rx_info->netmap_buf_idx = 0; | rx_info->netmap_buf_idx = 0; | ||||
| kring->nr_hwcur = nm_i; | kring->nr_hwcur = nm_i; | ||||
| } | } | ||||
| static bool | |||||
| ena_ring_in_netmap(struct ena_adapter *adapter, int qid, enum txrx x) | |||||
| { | |||||
| struct netmap_adapter *na; | |||||
| struct netmap_kring *kring; | |||||
| if (adapter->ifp->if_capenable & IFCAP_NETMAP) { | |||||
| na = NA(adapter->ifp); | |||||
| kring = (x == NR_RX) ? na->rx_rings[qid] : na->tx_rings[qid]; | |||||
| if (kring->nr_mode == NKR_NETMAP_ON) | |||||
| return true; | |||||
| } | |||||
| return false; | |||||
| } | |||||
| bool | |||||
| ena_tx_ring_in_netmap(struct ena_adapter *adapter, int qid) | |||||
| { | |||||
| return ena_ring_in_netmap(adapter, qid, NR_TX); | |||||
| } | |||||
| bool | |||||
| ena_rx_ring_in_netmap(struct ena_adapter *adapter, int qid) | |||||
| { | |||||
| return ena_ring_in_netmap(adapter, qid, NR_RX); | |||||
| } | |||||
| static void | |||||
| ena_netmap_reset_ring(struct ena_adapter *adapter, int qid, enum txrx x) | |||||
| { | |||||
| if (!ena_ring_in_netmap(adapter, qid, x)) | |||||
| return; | |||||
| netmap_reset(NA(adapter->ifp), x, qid, 0); | |||||
| ena_trace(ENA_NETMAP, "%s ring %d is in netmap mode\n", | |||||
| (x == NR_TX) ? "Tx" : "Rx", qid); | |||||
| } | |||||
| void | void | ||||
| ena_netmap_reset_rx_ring(struct ena_adapter *adapter, int qid) | ena_netmap_reset_rx_ring(struct ena_adapter *adapter, int qid) | ||||
| { | { | ||||
| if (adapter->ifp->if_capenable & IFCAP_NETMAP) | ena_netmap_reset_ring(adapter, qid, NR_RX); | ||||
| netmap_reset(NA(adapter->ifp), NR_RX, qid, 0); | |||||
| } | } | ||||
| void | void | ||||
| ena_netmap_reset_tx_ring(struct ena_adapter *adapter, int qid) | ena_netmap_reset_tx_ring(struct ena_adapter *adapter, int qid) | ||||
| { | { | ||||
| if (adapter->ifp->if_capenable & IFCAP_NETMAP) | ena_netmap_reset_ring(adapter, qid, NR_TX); | ||||
| netmap_reset(NA(adapter->ifp), NR_TX, qid, 0); | |||||
| } | } | ||||
| static int | static int | ||||
| ena_netmap_reg(struct netmap_adapter *na, int onoff) | ena_netmap_reg(struct netmap_adapter *na, int onoff) | ||||
| { | { | ||||
| struct ifnet *ifp = na->ifp; | struct ifnet *ifp = na->ifp; | ||||
| struct ena_adapter* adapter = ifp->if_softc; | struct ena_adapter* adapter = ifp->if_softc; | ||||
| int rc; | struct netmap_kring *kring; | ||||
| enum txrx t; | |||||
| int rc, i; | |||||
| sx_xlock(&adapter->ioctl_sx); | sx_xlock(&adapter->ioctl_sx); | ||||
| ENA_FLAG_CLEAR_ATOMIC(ENA_FLAG_TRIGGER_RESET, adapter); | ENA_FLAG_CLEAR_ATOMIC(ENA_FLAG_TRIGGER_RESET, adapter); | ||||
| ena_down(adapter); | ena_down(adapter); | ||||
| if (onoff) { | if (onoff) { | ||||
| ena_trace(ENA_NETMAP, "netmap on\n"); | ena_trace(ENA_NETMAP, "netmap on\n"); | ||||
| for_rx_tx(t) { | |||||
| for (i = 0; i <= nma_get_nrings(na, t); i++) { | |||||
| kring = NMR(na, t)[i]; | |||||
| if (nm_kring_pending_on(kring)) { | |||||
| kring->nr_mode = NKR_NETMAP_ON; | |||||
| } | |||||
| } | |||||
| } | |||||
| nm_set_native_flags(na); | nm_set_native_flags(na); | ||||
| } else { | } else { | ||||
| ena_trace(ENA_NETMAP, "netmap off\n"); | ena_trace(ENA_NETMAP, "netmap off\n"); | ||||
| nm_clear_native_flags(na); | nm_clear_native_flags(na); | ||||
| for_rx_tx(t) { | |||||
| for (i = 0; i <= nma_get_nrings(na, t); i++) { | |||||
| kring = NMR(na, t)[i]; | |||||
| if (nm_kring_pending_off(kring)) { | |||||
| kring->nr_mode = NKR_NETMAP_OFF; | |||||
| } | |||||
| } | |||||
| } | |||||
| } | } | ||||
| rc = ena_up(adapter); | rc = ena_up(adapter); | ||||
| if (rc != 0) { | if (rc != 0) { | ||||
| ena_trace(ENA_WARNING, "ena_up failed with rc=%d\n", rc); | ena_trace(ENA_WARNING, "ena_up failed with rc=%d\n", rc); | ||||
| adapter->reset_reason = ENA_REGS_RESET_DRIVER_INVALID_STATE; | adapter->reset_reason = ENA_REGS_RESET_DRIVER_INVALID_STATE; | ||||
| nm_clear_native_flags(na); | nm_clear_native_flags(na); | ||||
| ena_destroy_device(adapter, false); | ena_destroy_device(adapter, false); | ||||
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