From b28e498a49aeb5386bb10695146f859032bd90ae Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 22 Aug 2016 22:34:38 +0200 Subject: dpdk: Remove obsolete VMXNET3 driver start/stop workaround Change-Id: I4f46f2965891b0bd0d69a2c426068b0fb1ba881e Signed-off-by: Damjan Marion --- vnet/vnet/devices/dpdk/device.c | 74 ++++++++---------------------------- vnet/vnet/devices/dpdk/dpdk.h | 5 ++- vnet/vnet/devices/dpdk/dpdk_priv.h | 77 +++++++++++++++++--------------------- vnet/vnet/devices/dpdk/init.c | 24 +++++++----- vnet/vnet/devices/dpdk/node.c | 16 +------- 5 files changed, 68 insertions(+), 128 deletions(-) diff --git a/vnet/vnet/devices/dpdk/device.c b/vnet/vnet/devices/dpdk/device.c index f00b80b6def..2ccfcdaa148 100644 --- a/vnet/vnet/devices/dpdk/device.c +++ b/vnet/vnet/devices/dpdk/device.c @@ -939,34 +939,15 @@ dpdk_clear_hw_interface_counters (u32 instance) dpdk_device_t *xd = vec_elt_at_index (dm->devices, instance); /* - * DAW-FIXME: VMXNET3 device stop/start doesn't work, - * therefore fake the stop in the dpdk driver by - * silently dropping all of the incoming pkts instead of - * stopping the driver / hardware. + * Set the "last_cleared_stats" to the current stats, so that + * things appear to clear from a display perspective. */ - if (xd->admin_up != 0xff) - { - /* - * Set the "last_cleared_stats" to the current stats, so that - * things appear to clear from a display perspective. - */ - dpdk_update_counters (xd, vlib_time_now (dm->vlib_main)); + dpdk_update_counters (xd, vlib_time_now (dm->vlib_main)); - clib_memcpy (&xd->last_cleared_stats, &xd->stats, sizeof (xd->stats)); - clib_memcpy (xd->last_cleared_xstats, xd->xstats, - vec_len (xd->last_cleared_xstats) * - sizeof (xd->last_cleared_xstats[0])); - } - else - { - /* - * Internally rte_eth_xstats_reset() is calling rte_eth_stats_reset(), - * so we're only calling xstats_reset() here. - */ - rte_eth_xstats_reset (xd->device_index); - memset (&xd->stats, 0, sizeof (xd->stats)); - memset (&xd->last_stats, 0, sizeof (xd->last_stats)); - } + clib_memcpy (&xd->last_cleared_stats, &xd->stats, sizeof (xd->stats)); + clib_memcpy (xd->last_cleared_xstats, xd->xstats, + vec_len (xd->last_cleared_xstats) * + sizeof (xd->last_cleared_xstats[0])); #if DPDK_VHOST_USER if (PREDICT_FALSE (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)) @@ -1069,12 +1050,12 @@ dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) else { hif->max_packet_bytes = 1500; /* kni interface default value */ - xd->admin_up = 1; + xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP; } } else { - xd->admin_up = 0; + xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP; int kni_rv; kni_rv = rte_kni_release (xd->kni); @@ -1093,12 +1074,12 @@ dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, VNET_HW_INTERFACE_FLAG_LINK_UP | ETH_LINK_FULL_DUPLEX); - xd->admin_up = 1; + xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP; } else { vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0); - xd->admin_up = 0; + xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP; } return 0; @@ -1110,49 +1091,26 @@ dpdk_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags) { f64 now = vlib_time_now (dm->vlib_main); - /* - * DAW-FIXME: VMXNET3 device stop/start doesn't work, - * therefore fake the stop in the dpdk driver by - * silently dropping all of the incoming pkts instead of - * stopping the driver / hardware. - */ - if (xd->admin_up == 0) + if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) == 0) rv = rte_eth_dev_start (xd->device_index); - if (xd->promisc) + if (xd->flags & DPDK_DEVICE_FLAG_PROMISC) rte_eth_promiscuous_enable (xd->device_index); else rte_eth_promiscuous_disable (xd->device_index); rte_eth_allmulticast_enable (xd->device_index); - xd->admin_up = 1; + xd->flags |= DPDK_DEVICE_FLAG_ADMIN_UP; dpdk_update_counters (xd, now); dpdk_update_link_state (xd, now); } else { - /* - * DAW-FIXME: VMXNET3 device stop/start doesn't work, - * therefore fake the stop in the dpdk driver by - * silently dropping all of the incoming pkts instead of - * stopping the driver / hardware. - */ - if (xd->pmd != VNET_DPDK_PMD_VMXNET3) - xd->admin_up = 0; - else - xd->admin_up = ~0; + xd->flags &= ~DPDK_DEVICE_FLAG_ADMIN_UP; rte_eth_allmulticast_disable (xd->device_index); vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, 0); - - /* - * DAW-FIXME: VMXNET3 device stop/start doesn't work, - * therefore fake the stop in the dpdk driver by - * silently dropping all of the incoming pkts instead of - * stopping the driver / hardware. - */ - if (xd->pmd != VNET_DPDK_PMD_VMXNET3) - rte_eth_dev_stop (xd->device_index); + rte_eth_dev_stop (xd->device_index); /* For bonded interface, stop slave links */ if (xd->pmd == VNET_DPDK_PMD_BOND) diff --git a/vnet/vnet/devices/dpdk/dpdk.h b/vnet/vnet/devices/dpdk/dpdk.h index 90a50dafa43..e7c177b9329 100644 --- a/vnet/vnet/devices/dpdk/dpdk.h +++ b/vnet/vnet/devices/dpdk/dpdk.h @@ -218,8 +218,9 @@ typedef struct dpdk_pmd_t pmd:8; i8 cpu_socket; - u8 admin_up; - u8 promisc; + u16 flags; +#define DPDK_DEVICE_FLAG_ADMIN_UP (1 << 0) +#define DPDK_DEVICE_FLAG_PROMISC (1 << 1) CLIB_CACHE_LINE_ALIGN_MARK (cacheline1); diff --git a/vnet/vnet/devices/dpdk/dpdk_priv.h b/vnet/vnet/devices/dpdk/dpdk_priv.h index 4ecb1b82502..0abe6306c89 100644 --- a/vnet/vnet/devices/dpdk/dpdk_priv.h +++ b/vnet/vnet/devices/dpdk/dpdk_priv.h @@ -91,50 +91,41 @@ dpdk_update_counters (dpdk_device_t * xd, f64 now) if (xd->dev_type != VNET_DPDK_DEV_ETH) return; - /* - * DAW-FIXME: VMXNET3 device stop/start doesn't work, - * therefore fake the stop in the dpdk driver by - * silently dropping all of the incoming pkts instead of - * stopping the driver / hardware. - */ - if (xd->admin_up != 0xff) + xd->time_last_stats_update = now ? now : xd->time_last_stats_update; + clib_memcpy (&xd->last_stats, &xd->stats, sizeof (xd->last_stats)); + rte_eth_stats_get (xd->device_index, &xd->stats); + + /* maybe bump interface rx no buffer counter */ + if (PREDICT_FALSE (xd->stats.rx_nombuf != xd->last_stats.rx_nombuf)) + { + cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, + VNET_INTERFACE_COUNTER_RX_NO_BUF); + + vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, + xd->stats.rx_nombuf - + xd->last_stats.rx_nombuf); + } + + /* missed pkt counter */ + if (PREDICT_FALSE (xd->stats.imissed != xd->last_stats.imissed)) { - xd->time_last_stats_update = now ? now : xd->time_last_stats_update; - clib_memcpy (&xd->last_stats, &xd->stats, sizeof (xd->last_stats)); - rte_eth_stats_get (xd->device_index, &xd->stats); - - /* maybe bump interface rx no buffer counter */ - if (PREDICT_FALSE (xd->stats.rx_nombuf != xd->last_stats.rx_nombuf)) - { - cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, - VNET_INTERFACE_COUNTER_RX_NO_BUF); - - vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, - xd->stats.rx_nombuf - - xd->last_stats.rx_nombuf); - } - - /* missed pkt counter */ - if (PREDICT_FALSE (xd->stats.imissed != xd->last_stats.imissed)) - { - cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, - VNET_INTERFACE_COUNTER_RX_MISS); - - vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, - xd->stats.imissed - - xd->last_stats.imissed); - } - rxerrors = xd->stats.ierrors; - last_rxerrors = xd->last_stats.ierrors; - - if (PREDICT_FALSE (rxerrors != last_rxerrors)) - { - cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, - VNET_INTERFACE_COUNTER_RX_ERROR); - - vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, - rxerrors - last_rxerrors); - } + cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, + VNET_INTERFACE_COUNTER_RX_MISS); + + vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, + xd->stats.imissed - + xd->last_stats.imissed); + } + rxerrors = xd->stats.ierrors; + last_rxerrors = xd->last_stats.ierrors; + + if (PREDICT_FALSE (rxerrors != last_rxerrors)) + { + cm = vec_elt_at_index (vnm->interface_main.sw_if_counters, + VNET_INTERFACE_COUNTER_RX_ERROR); + + vlib_increment_simple_counter (cm, my_cpu, xd->vlib_sw_if_index, + rxerrors - last_rxerrors); } dpdk_get_xstats (xd); diff --git a/vnet/vnet/devices/dpdk/init.c b/vnet/vnet/devices/dpdk/init.c index 705c0371b97..afaaa85a221 100644 --- a/vnet/vnet/devices/dpdk/init.c +++ b/vnet/vnet/devices/dpdk/init.c @@ -71,7 +71,7 @@ dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd) ASSERT (os_get_cpu_number () == 0); - if (xd->admin_up) + if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) { vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0); rte_eth_dev_stop (xd->device_index); @@ -123,7 +123,7 @@ dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd) xd->device_index, rv); } - if (xd->admin_up) + if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) { int rv; rv = rte_eth_dev_start (xd->device_index); @@ -143,12 +143,16 @@ dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags) if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags)) { - old = xd->promisc; - xd->promisc = flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL; + old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0; - if (xd->admin_up) + if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) + xd->flags |= DPDK_DEVICE_FLAG_PROMISC; + else + xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC; + + if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) { - if (xd->promisc) + if (xd->flags & DPDK_DEVICE_FLAG_PROMISC) rte_eth_promiscuous_enable (xd->device_index); else rte_eth_promiscuous_disable (xd->device_index); @@ -181,7 +185,7 @@ dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags) xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes; - if (xd->admin_up) + if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) rte_eth_dev_stop (xd->device_index); rv = rte_eth_dev_configure @@ -194,7 +198,7 @@ dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags) rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes); - if (xd->admin_up) + if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) { int rv = rte_eth_dev_start (xd->device_index); if (rv < 0) @@ -1479,13 +1483,13 @@ dpdk_update_link_state (dpdk_device_t * xd, f64 now) } *ed; ed = ELOG_DATA (&vm->elog_main, e); ed->sw_if_index = xd->vlib_sw_if_index; - ed->admin_up = xd->admin_up; + ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0; ed->old_link_state = (u8) vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index); ed->new_link_state = (u8) xd->link.link_status; } - if ((xd->admin_up == 1) && + if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) && ((xd->link.link_status != 0) ^ vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index))) { diff --git a/vnet/vnet/devices/dpdk/node.c b/vnet/vnet/devices/dpdk/node.c index 303b44e489a..7b2914a800a 100644 --- a/vnet/vnet/devices/dpdk/node.c +++ b/vnet/vnet/devices/dpdk/node.c @@ -403,7 +403,7 @@ dpdk_device_input (dpdk_main_t * dm, u8 efd_discard_burst = 0; u32 buffer_flags_template; - if (xd->admin_up == 0) + if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) == 0) return 0; n_buffers = dpdk_rx_burst (dm, xd, queue_id); @@ -427,20 +427,6 @@ dpdk_device_input (dpdk_main_t * dm, fl = vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX); - /* - * DAW-FIXME: VMXNET3 device stop/start doesn't work, - * therefore fake the stop in the dpdk driver by - * silently dropping all of the incoming pkts instead of - * stopping the driver / hardware. - */ - if (PREDICT_FALSE (xd->admin_up != 1)) - { - for (mb_index = 0; mb_index < n_buffers; mb_index++) - rte_pktmbuf_free (xd->rx_vectors[queue_id][mb_index]); - - return 0; - } - /* Check for congestion if EFD (Early-Fast-Discard) is enabled * in any mode (e.g. dpdk, monitor, or drop_all) */ -- cgit 1.2.3-korg