X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fdpdk%2Fdevice%2Fdevice.c;h=fcabe6e2dd6d1b28b4877c0e53b94fff1eb580eb;hb=3b81a1e5f205482b8ea30edbfd39559c4368ac4d;hp=b2c87c7930d368360a8c1bf22cba63638aac21cf;hpb=6e36351faf5b69a0bfb8235b3b06f8b2c24e5547;p=vpp.git diff --git a/src/plugins/dpdk/device/device.c b/src/plugins/dpdk/device/device.c index b2c87c7930d..fcabe6e2dd6 100644 --- a/src/plugins/dpdk/device/device.c +++ b/src/plugins/dpdk/device/device.c @@ -26,8 +26,7 @@ #define foreach_dpdk_tx_func_error \ _(BAD_RETVAL, "DPDK tx function returned an error") \ - _(PKT_DROP, "Tx packet drops (dpdk tx failure)") \ - _(REPL_FAIL, "Tx packet drops (replication failure)") + _(PKT_DROP, "Tx packet drops (dpdk tx failure)") typedef enum { @@ -44,7 +43,8 @@ static char *dpdk_tx_func_error_strings[] = { }; static clib_error_t * -dpdk_set_mac_address (vnet_hw_interface_t * hi, char *address) +dpdk_set_mac_address (vnet_hw_interface_t * hi, + const u8 * old_address, const u8 * address) { int error; dpdk_main_t *dm = &dpdk_main; @@ -65,48 +65,6 @@ dpdk_set_mac_address (vnet_hw_interface_t * hi, char *address) } } -static struct rte_mbuf * -dpdk_replicate_packet_mb (vlib_buffer_t * b) -{ - dpdk_main_t *dm = &dpdk_main; - struct rte_mbuf **mbufs = 0, *s, *d; - u8 nb_segs; - unsigned socket_id = rte_socket_id (); - int i; - - ASSERT (dm->pktmbuf_pools[socket_id]); - s = rte_mbuf_from_vlib_buffer (b); - nb_segs = s->nb_segs; - vec_validate (mbufs, nb_segs - 1); - - if (rte_pktmbuf_alloc_bulk (dm->pktmbuf_pools[socket_id], mbufs, nb_segs)) - { - vec_free (mbufs); - return 0; - } - - d = mbufs[0]; - d->nb_segs = s->nb_segs; - d->data_len = s->data_len; - d->pkt_len = s->pkt_len; - d->data_off = s->data_off; - clib_memcpy (d->buf_addr, s->buf_addr, RTE_PKTMBUF_HEADROOM + s->data_len); - - for (i = 1; i < nb_segs; i++) - { - d->next = mbufs[i]; - d = mbufs[i]; - s = s->next; - d->data_len = s->data_len; - clib_memcpy (d->buf_addr, s->buf_addr, - RTE_PKTMBUF_HEADROOM + s->data_len); - } - - d = mbufs[0]; - vec_free (mbufs); - return d; -} - static void dpdk_tx_trace_buffer (dpdk_main_t * dm, vlib_node_runtime_t * node, dpdk_device_t * xd, u16 queue_id, @@ -266,29 +224,6 @@ dpdk_prefetch_buffer (vlib_main_t * vm, struct rte_mbuf *mb) CLIB_PREFETCH (b, CLIB_CACHE_LINE_BYTES, LOAD); } -static_always_inline void -dpdk_buffer_recycle (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_buffer_t * b, u32 bi, struct rte_mbuf **mbp) -{ - dpdk_main_t *dm = &dpdk_main; - struct rte_mbuf *mb_new; - - if (PREDICT_FALSE (b->flags & VLIB_BUFFER_RECYCLE) == 0) - return; - - mb_new = dpdk_replicate_packet_mb (b); - if (PREDICT_FALSE (mb_new == 0)) - { - vlib_error_count (vm, node->node_index, - DPDK_TX_FUNC_ERROR_REPL_FAIL, 1); - b->flags |= VLIB_BUFFER_REPL_FAIL; - } - else - *mbp = mb_new; - - vec_add1 (dm->recycle[vm->thread_index], bi); -} - static_always_inline void dpdk_buffer_tx_offload (dpdk_device_t * xd, vlib_buffer_t * b, struct rte_mbuf *mb) @@ -454,29 +389,6 @@ VNET_DEVICE_CLASS_TX_FN (dpdk_device_class) (vlib_main_t * vm, n_left--; } - /* run inly if we have buffers to recycle */ - if (PREDICT_FALSE (all_or_flags & VLIB_BUFFER_RECYCLE)) - { - struct rte_mbuf **mb_old; - from = vlib_frame_vector_args (f); - n_left = n_packets; - mb_old = mb = ptd->mbufs; - while (n_left > 0) - { - b[0] = vlib_buffer_from_rte_mbuf (mb[0]); - dpdk_buffer_recycle (vm, node, b[0], from[0], &mb_old[0]); - - /* in case of REPL_FAIL we need to shift data */ - mb[0] = mb_old[0]; - - if (PREDICT_TRUE ((b[0]->flags & VLIB_BUFFER_REPL_FAIL) == 0)) - mb++; - mb_old++; - from++; - n_left--; - } - } - /* transmit as many packets as possible */ tx_pkts = n_packets = mb - ptd->mbufs; n_left = tx_burst_vector_internal (vm, xd, ptd->mbufs, n_packets); @@ -503,14 +415,6 @@ VNET_DEVICE_CLASS_TX_FN (dpdk_device_class) (vlib_main_t * vm, } } - /* Recycle replicated buffers */ - if (PREDICT_FALSE (vec_len (dm->recycle[thread_index]))) - { - vlib_buffer_free (vm, dm->recycle[thread_index], - vec_len (dm->recycle[thread_index])); - _vec_len (dm->recycle[thread_index]) = 0; - } - return tx_pkts; }