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dpdk
0015-bonding-fix-detach-of-slave-devices.patch
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File 0015-bonding-fix-detach-of-slave-devices.patch of Package dpdk
From df3e8ad73f4c92b4eb8f49ff33271d4a09e6a04a Mon Sep 17 00:00:00 2001 From: Bernard Iremonger <bernard.iremonger@intel.com> Date: Wed, 10 Feb 2016 10:13:45 +0000 Subject: [PATCH] bonding: fix detach of slave devices Ensure that a bonded slave device is not detached, until it is removed from the bonded device. Fixes: 2efb58cbab6e ("bond: new link bonding library") Fixes: a45b288ef21a ("bond: support link status polling") Fixes: 494adb7f63f2 ("ethdev: add device fields from PCI layer") Fixes: b1fb53a39d88 ("ethdev: remove some PCI specific handling") Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com> Acked-by: Declan Doherty <declan.doherty@intel.com> --- drivers/net/bonding/rte_eth_bond_api.c | 33 +++++++++++---------------------- lib/librte_ether/rte_ethdev.c | 8 ++++++-- lib/librte_ether/rte_ethdev.h | 2 ++ 3 files changed, 19 insertions(+), 24 deletions(-) diff --git a/drivers/net/bonding/rte_eth_bond_api.c b/drivers/net/bonding/rte_eth_bond_api.c index 484a6f3..a0995ec 100644 --- a/drivers/net/bonding/rte_eth_bond_api.c +++ b/drivers/net/bonding/rte_eth_bond_api.c @@ -314,38 +314,23 @@ __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id) { struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev; struct bond_dev_private *internals; - struct bond_dev_private *temp_internals; struct rte_eth_link link_props; struct rte_eth_dev_info dev_info; - int i, j; - if (valid_slave_port_id(slave_port_id) != 0) return -1; bonded_eth_dev = &rte_eth_devices[bonded_port_id]; internals = bonded_eth_dev->data->dev_private; - /* Verify that new slave device is not already a slave of another - * bonded device */ - for (i = rte_eth_dev_count()-1; i >= 0; i--) { - if (check_for_bonded_ethdev(&rte_eth_devices[i]) == 0) { - temp_internals = rte_eth_devices[i].data->dev_private; - - for (j = 0; j < temp_internals->slave_count; j++) { - /* Device already a slave of a bonded device */ - if (temp_internals->slaves[j].port_id == slave_port_id) { - RTE_BOND_LOG(ERR, "Slave port %d is already a slave", - slave_port_id); - return -1; - } - } - } - } - slave_eth_dev = &rte_eth_devices[slave_port_id]; + if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) { + RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device"); + return -1; + } /* Add slave details to bonded device */ + slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE; slave_add(internals, slave_eth_dev); rte_eth_dev_info_get(slave_port_id, &dev_info); @@ -385,6 +370,7 @@ __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id) if (internals->link_props_set) { if (link_properties_valid(&(bonded_eth_dev->data->dev_link), &(slave_eth_dev->data->dev_link))) { + slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE); RTE_BOND_LOG(ERR, "Slave port %d link speed/duplex not supported", slave_port_id); @@ -416,6 +402,7 @@ __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id) if (bonded_eth_dev->data->dev_started) { if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) { + slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE); RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d", slave_port_id); return -1; @@ -468,7 +455,7 @@ __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id) { struct rte_eth_dev *bonded_eth_dev; struct bond_dev_private *internals; - + struct rte_eth_dev *slave_eth_dev; int i, slave_idx; if (valid_slave_port_id(slave_port_id) != 0) @@ -508,7 +495,9 @@ __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id) mac_address_set(&rte_eth_devices[slave_port_id], &(internals->slaves[slave_idx].persisted_mac_addr)); - slave_remove(internals, &rte_eth_devices[slave_port_id]); + slave_eth_dev = &rte_eth_devices[slave_port_id]; + slave_remove(internals, slave_eth_dev); + slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE); /* first slave in the active list will be the primary by default, * otherwise use first device in list */ diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index f0e7473..db35102 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -1,7 +1,7 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2015 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -495,7 +495,11 @@ rte_eth_dev_is_detachable(uint8_t port_id) return -ENOTSUP; } dev_flags = rte_eth_devices[port_id].data->dev_flags; - return !(dev_flags & RTE_ETH_DEV_DETACHABLE); + if ((dev_flags & RTE_ETH_DEV_DETACHABLE) && + (!(dev_flags & RTE_ETH_DEV_BONDED_SLAVE))) + return 0; + else + return 1; } /* attach the new physical device, then store port_id of the device */ diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index d867976..b5704e1 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1662,6 +1662,8 @@ struct rte_eth_dev_data { #define RTE_ETH_DEV_DETACHABLE 0x0001 /** Device supports link state interrupt */ #define RTE_ETH_DEV_INTR_LSC 0x0002 +/** Device is a bonded slave */ +#define RTE_ETH_DEV_BONDED_SLAVE 0x0004 /** * @internal -- 2.6.2
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