/* * Copyright (c) 2011-2012 Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. * * Maintained at www.Open-FCoE.org */ #ifndef FCOE_SYSFS #define FCOE_SYSFS #include #include #include struct fcoe_ctlr_device; struct fcoe_fcf_device; struct fcoe_sysfs_function_template { void (*get_fcoe_ctlr_link_fail)(struct fcoe_ctlr_device *); void (*get_fcoe_ctlr_vlink_fail)(struct fcoe_ctlr_device *); void (*get_fcoe_ctlr_miss_fka)(struct fcoe_ctlr_device *); void (*get_fcoe_ctlr_symb_err)(struct fcoe_ctlr_device *); void (*get_fcoe_ctlr_err_block)(struct fcoe_ctlr_device *); void (*get_fcoe_ctlr_fcs_error)(struct fcoe_ctlr_device *); void (*set_fcoe_ctlr_mode)(struct fcoe_ctlr_device *); int (*set_fcoe_ctlr_enabled)(struct fcoe_ctlr_device *); void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *); void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *); }; #define dev_to_ctlr(d) \ container_of((d), struct fcoe_ctlr_device, dev) enum fip_conn_type { FIP_CONN_TYPE_UNKNOWN, FIP_CONN_TYPE_FABRIC, FIP_CONN_TYPE_VN2VN, }; enum ctlr_enabled_state { FCOE_CTLR_ENABLED, FCOE_CTLR_DISABLED, FCOE_CTLR_UNUSED, }; struct fcoe_ctlr_device { u32 id; struct device dev; struct fcoe_sysfs_function_template *f; struct list_head fcfs; char work_q_name[20]; struct workqueue_struct *work_q; char devloss_work_q_name[20]; struct workqueue_struct *devloss_work_q; struct mutex lock; int fcf_dev_loss_tmo; enum fip_conn_type mode; enum ctlr_enabled_state enabled; /* expected in host order for displaying */ struct fcoe_fc_els_lesb lesb; }; static inline void *fcoe_ctlr_device_priv(const struct fcoe_ctlr_device *ctlr) { return (void *)(ctlr + 1); } /* fcf states */ enum fcf_state { FCOE_FCF_STATE_UNKNOWN, FCOE_FCF_STATE_DISCONNECTED, FCOE_FCF_STATE_CONNECTED, FCOE_FCF_STATE_DELETED, }; struct fcoe_fcf_device { u32 id; struct device dev; struct list_head peers; struct work_struct delete_work; struct delayed_work dev_loss_work; u32 dev_loss_tmo; void *priv; enum fcf_state state; u64 fabric_name; u64 switch_name; u32 fc_map; u16 vfid; u8 mac[ETH_ALEN]; u8 priority; u32 fka_period; u8 selected; u16 vlan_id; }; #define dev_to_fcf(d) \ container_of((d), struct fcoe_fcf_device, dev) /* parentage should never be missing */ #define fcoe_fcf_dev_to_ctlr_dev(x) \ dev_to_ctlr((x)->dev.parent) #define fcoe_fcf_device_priv(x) \ ((x)->priv) struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, struct fcoe_sysfs_function_template *f, int priv_size); void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *); struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *, struct fcoe_fcf_device *); void fcoe_fcf_device_delete(struct fcoe_fcf_device *); int __init fcoe_sysfs_setup(void); void __exit fcoe_sysfs_teardown(void); #endif /* FCOE_SYSFS */ space:mode:
authorRobert Shearman <rshearma@brocade.com>2017-01-26 18:02:24 +0000
committerDavid S. Miller <davem@davemloft.net>2017-01-30 15:00:58 -0500
commit63a6fff353d01da5a22b72670c434bf12fa0e3b8 (patch)
tree5707ae376777271ab2d77411fed89afb515f0257 /net/bridge
parenta3a4de056ed5cfb22085173d8f0f13b0ca6b6d60 (diff)
net: Avoid receiving packets with an l3mdev on unbound UDP sockets
Packets arriving in a VRF currently are delivered to UDP sockets that aren't bound to any interface. TCP defaults to not delivering packets arriving in a VRF to unbound sockets. IP route lookup and socket transmit both assume that unbound means using the default table and UDP applications that haven't been changed to be aware of VRFs may not function correctly in this case since they may not be able to handle overlapping IP address ranges, or be able to send packets back to the original sender if required. So add a sysctl, udp_l3mdev_accept, to control this behaviour with it being analgous to the existing tcp_l3mdev_accept, namely to allow a process to have a VRF-global listen socket. Have this default to off as this is the behaviour that users will expect, given that there is no explicit mechanism to set unmodified VRF-unaware application into a default VRF. Signed-off-by: Robert Shearman <rshearma@brocade.com> Acked-by: David Ahern <dsa@cumulusnetworks.com> Tested-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge')