Modify hand-coded JNI function names to match refactoring of - vpp

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author	Dave Wallace <dwallacelf@gmail.com>	2016-02-09 23:09:41 -0500
committer	Dave Wallace <dwallacelf@gmail.com>	2016-02-09 23:24:32 -0500
commit	ba474a2629b5e9199b6766176f1da3d227adb7e0 (patch)
tree	0fb4b09b80f0f189ca921b803293cb7a084ef0d6 /vppinfra/Make.defs
parent	190efbc0a5a8680d965e73554ba597307dacdfc6 (diff)

Modify hand-coded JNI function names to match refactoring of

vppConn.java in commit #169 Change-Id: Id9feaebdce199f239741a10d31bf7aa473a62806 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

Diffstat (limited to 'vppinfra/Make.defs')

0 files changed, 0 insertions, 0 deletions

/* *------------------------------------------------------------------ * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------ */ #include <vlib/vlib.h> #include <vlib/unix/unix.h> #include <vlib/pci/pci.h> #include <vppinfra/ring.h> #include <vnet/ethernet/ethernet.h> #include <vnet/devices/devices.h> #include <avf/avf.h> static_always_inline u8 avf_tx_desc_get_dtyp (avf_tx_desc_t * d) { return d->qword[1] & 0x0f; } static_always_inline u16 avf_tx_enqueue (vlib_main_t * vm, vlib_node_runtime_t * node, avf_txq_t * txq, u32 * buffers, u32 n_packets, int use_va_dma) { u16 next = txq->next; u64 bits = AVF_TXD_CMD_EOP | AVF_TXD_CMD_RSV; u16 n_desc = 0; u16 *slot, n_desc_left, n_packets_left = n_packets; u16 mask = txq->size - 1; vlib_buffer_t *b[4]; avf_tx_desc_t *d = txq->descs + next; u16 n_desc_needed; vlib_buffer_t *b0; /* avoid ring wrap */ n_desc_left = txq->size - clib_max (txq->next, txq->n_enqueued + 8); if (n_desc_left == 0) return 0; /* Fast path, no ring wrap */ while (n_packets_left && n_desc_left) { u32 or_flags; if (n_packets_left < 8 || n_desc_left < 4) goto one_by_one; vlib_prefetch_buffer_with_index (vm, buffers[4], LOAD); vlib_prefetch_buffer_with_index (vm, buffers[5], LOAD); vlib_prefetch_buffer_with_index (vm, buffers[6], LOAD); vlib_prefetch_buffer_with_index (vm, buffers[7], LOAD); b[0] = vlib_get_buffer (vm, buffers[0]); b[1] = vlib_get_buffer (vm, buffers[1]); b[2] = vlib_get_buffer (vm, buffers[2]); b[3] = vlib_get_buffer (vm, buffers[3]); or_flags = b[0]->flags | b[1]->flags | b[2]->flags | b[3]->flags; if (or_flags & VLIB_BUFFER_NEXT_PRESENT) goto one_by_one; vlib_buffer_copy_indices (txq->bufs + next, buffers, 4); if (use_va_dma) { d[0].qword[0] = vlib_buffer_get_current_va (b[0]); d[1].qword[0] = vlib_buffer_get_current_va (b[1]); d[2].qword[0] = vlib_buffer_get_current_va (b[2]); d[3].qword[0] = vlib_buffer_get_current_va (b[3]); } else { d[0].qword[0] = vlib_buffer_get_current_pa (vm, b[0]); d[1].qword[0] = vlib_buffer_get_current_pa (vm, b[1]); d[2].qword[0] = vlib_buffer_get_current_pa (vm, b[2]); d[3].qword[0] = vlib_buffer_get_current_pa (vm, b[3]); } d[0].qword[1] = ((u64) b[0]->current_length) << 34 | bits; d[1].qword[1] = ((u64) b[1]->current_length) << 34 | bits; d[2].qword[1] = ((u64) b[2]->current_length) << 34 | bits; d[3].qword[1] = ((u64) b[3]->current_length) << 34 | bits; next += 4; n_desc += 4; buffers += 4; n_packets_left -= 4; n_desc_left -= 4; d += 4; continue; one_by_one: txq->bufs[next] = buffers[0]; b[0] = vlib_get_buffer (vm, buffers[0]); /* Deal with chain buffer if present */ if (b[0]->flags & VLIB_BUFFER_NEXT_PRESENT) { n_desc_needed = 1; b0 = b[0]; /* Wish there were a buffer count for chain buffer */ while (b0->flags & VLIB_BUFFER_NEXT_PRESENT) { b0 = vlib_get_buffer (vm, b0->next_buffer); n_desc_needed++; } /* spec says data descriptor is limited to 8 segments */ if (PREDICT_FALSE (n_desc_needed > 8)) { vlib_buffer_free_one (vm, buffers[0]); vlib_error_count (vm, node->node_index, AVF_TX_ERROR_SEGMENT_SIZE_EXCEEDED, 1); n_packets_left -= 1; buffers += 1; continue; } if (PREDICT_FALSE (n_desc_left < n_desc_needed)) /* * Slow path may be able to to deal with this since it can handle * ring wrap */ break; while (b[0]->flags & VLIB_BUFFER_NEXT_PRESENT) { if (use_va_dma) d[0].qword[0] = vlib_buffer_get_current_va (b[0]); else d[0].qword[0] = vlib_buffer_get_current_pa (vm, b[0]); d[0].qword[1] = (((u64) b[0]->current_length) << 34) | AVF_TXD_CMD_RSV; next += 1; n_desc += 1; n_desc_left -= 1; d += 1; txq->bufs[next] = b[0]->next_buffer; b[0] = vlib_get_buffer (vm, b[0]->next_buffer); } } if (use_va_dma) d[0].qword[0] = vlib_buffer_get_current_va (b[0]); else d[0].qword[0] = vlib_buffer_get_current_pa (vm, b[0]); d[0].qword[1] = (((u64) b[0]->current_length) << 34) | bits; next += 1; n_desc += 1; buffers += 1; n_packets_left -= 1; n_desc_left -= 1; d += 1; } /* Slow path to support ring wrap */ if (PREDICT_FALSE (n_packets_left)) { txq->n_enqueued += n_desc; n_desc = 0; d = txq->descs + (next & mask); /* +8 to be consistent with fast path */ n_desc_left = txq->size - (txq->n_enqueued + 8); while (n_packets_left && n_desc_left) { txq->bufs[next & mask] = buffers[0]; b[0] = vlib_get_buffer (vm, buffers[0]); /* Deal with chain buffer if present */ if (b[0]->flags & VLIB_BUFFER_NEXT_PRESENT) { n_desc_needed = 1; b0 = b[0]; while (b0->flags & VLIB_BUFFER_NEXT_PRESENT) { b0 = vlib_get_buffer (vm, b0->next_buffer); n_desc_needed++; } /* Spec says data descriptor is limited to 8 segments */ if (PREDICT_FALSE (n_desc_needed > 8)) { vlib_buffer_free_one (vm, buffers[0]); vlib_error_count (vm, node->node_index, AVF_TX_ERROR_SEGMENT_SIZE_EXCEEDED, 1); n_packets_left -= 1; buffers += 1; continue; } if (PREDICT_FALSE (n_desc_left < n_desc_needed)) break; while (b[0]->flags & VLIB_BUFFER_NEXT_PRESENT) { if (use_va_dma) d[0].qword[0] = vlib_buffer_get_current_va (b[0]); else d[0].qword[0] = vlib_buffer_get_current_pa (vm, b[0]); d[0].qword[1] = (((u64) b[0]->current_length) << 34) | AVF_TXD_CMD_RSV; next += 1; n_desc += 1; n_desc_left -= 1; d = txq->descs + (next & mask); txq->bufs[next & mask] = b[0]->next_buffer; b[0] = vlib_get_buffer (vm, b[0]->next_buffer); } } if (use_va_dma) d[0].qword[0] = vlib_buffer_get_current_va (b[0]); else d[0].qword[0] = vlib_buffer_get_current_pa (vm, b[0]); d[0].qword[1] = (((u64) b[0]->current_length) << 34) | bits; next += 1; n_desc += 1; buffers += 1; n_packets_left -= 1; n_desc_left -= 1; d = txq->descs + (next & mask); } } if ((slot = clib_ring_enq (txq->rs_slots))) { u16 rs_slot = slot[0] = (next - 1) & mask; d = txq->descs + rs_slot; d[0].qword[1] |= AVF_TXD_CMD_RS; } CLIB_MEMORY_BARRIER (); *(txq->qtx_tail) = txq->next = next & mask; txq->n_enqueued += n_desc; return n_packets - n_packets_left; } VNET_DEVICE_CLASS_TX_FN (avf_device_class) (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) { avf_main_t *am = &avf_main; vnet_interface_output_runtime_t *rd = (void *) node->runtime_data; avf_device_t *ad = pool_elt_at_index (am->devices, rd->dev_instance); u32 thread_index = vm->thread_index; u8 qid = thread_index; avf_txq_t *txq = vec_elt_at_index (ad->txqs, qid % ad->num_queue_pairs); u32 *buffers = vlib_frame_vector_args (frame); u16 n_enq, n_left; u16 n_retry = 2; clib_spinlock_lock_if_init (&txq->lock); n_left = frame->n_vectors; retry: /* release consumed bufs */ if (txq->n_enqueued) { i32 complete_slot = -1; while (1) { u16 *slot = clib_ring_get_first (txq->rs_slots); if (slot == 0) break; if (avf_tx_desc_get_dtyp (txq->descs + slot[0]) != 0x0F) break; complete_slot = slot[0]; clib_ring_deq (txq->rs_slots); } if (complete_slot >= 0) { u16 first, mask, n_free; mask = txq->size - 1; first = (txq->next - txq->n_enqueued) & mask; n_free = (complete_slot + 1 - first) & mask; txq->n_enqueued -= n_free; vlib_buffer_free_from_ring_no_next (vm, txq->bufs, first, txq->size, n_free); } } if (ad->flags & AVF_DEVICE_F_VA_DMA) n_enq = avf_tx_enqueue (vm, node, txq, buffers, n_left, 1); else n_enq = avf_tx_enqueue (vm, node, txq, buffers, n_left, 0); n_left -= n_enq; if (n_left) { buffers += n_enq; if (n_retry--) goto retry; vlib_buffer_free (vm, buffers, n_left); vlib_error_count (vm, node->node_index, AVF_TX_ERROR_NO_FREE_SLOTS, n_left); } clib_spinlock_unlock_if_init (&txq->lock); return frame->n_vectors - n_left; } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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