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sys/dev/netmap/if_ixl_netmap.h
| Show First 20 Lines • Show All 92 Lines • ▼ Show 20 Lines | |||||
| ixl_netmap_attach(struct ixl_vsi *vsi) | ixl_netmap_attach(struct ixl_vsi *vsi) | ||||
| { | { | ||||
| struct netmap_adapter na; | struct netmap_adapter na; | ||||
| bzero(&na, sizeof(na)); | bzero(&na, sizeof(na)); | ||||
| na.ifp = vsi->ifp; | na.ifp = vsi->ifp; | ||||
| na.na_flags = NAF_BDG_MAYSLEEP; | na.na_flags = NAF_BDG_MAYSLEEP; | ||||
| // XXX check that queues is set. | na.num_tx_desc = vsi->num_tx_desc; | ||||
| nm_prinf("queues is %p", vsi->queues); | na.num_rx_desc = vsi->num_rx_desc; | ||||
| if (vsi->queues) { | |||||
| na.num_tx_desc = vsi->queues[0].num_desc; | |||||
| na.num_rx_desc = vsi->queues[0].num_desc; | |||||
| } | |||||
| na.nm_txsync = ixl_netmap_txsync; | na.nm_txsync = ixl_netmap_txsync; | ||||
| na.nm_rxsync = ixl_netmap_rxsync; | na.nm_rxsync = ixl_netmap_rxsync; | ||||
| na.nm_register = ixl_netmap_reg; | na.nm_register = ixl_netmap_reg; | ||||
| na.num_tx_rings = na.num_rx_rings = vsi->num_queues; | na.num_tx_rings = na.num_rx_rings = vsi->num_queues; | ||||
| netmap_attach(&na); | netmap_attach(&na); | ||||
| } | } | ||||
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| /* (re)start the tx unit up to slot nic_i (excluded) */ | /* (re)start the tx unit up to slot nic_i (excluded) */ | ||||
| wr32(vsi->hw, txr->tail, nic_i); | wr32(vsi->hw, txr->tail, nic_i); | ||||
| } | } | ||||
| /* | /* | ||||
| * Second part: reclaim buffers for completed transmissions. | * Second part: reclaim buffers for completed transmissions. | ||||
| */ | */ | ||||
| nic_i = LE32_TO_CPU(*(volatile __le32 *)&txr->base[que->num_desc]); | nic_i = LE32_TO_CPU(*(volatile __le32 *)&txr->base[que->num_tx_desc]); | ||||
| if (nic_i != txr->next_to_clean) { | if (nic_i != txr->next_to_clean) { | ||||
| /* some tx completed, increment avail */ | /* some tx completed, increment avail */ | ||||
| txr->next_to_clean = nic_i; | txr->next_to_clean = nic_i; | ||||
| kring->nr_hwtail = nm_prev(netmap_idx_n2k(kring, nic_i), lim); | kring->nr_hwtail = nm_prev(netmap_idx_n2k(kring, nic_i), lim); | ||||
| } | } | ||||
| return 0; | return 0; | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 92 Lines • Show Last 20 Lines | |||||