diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/atalk.h | 2 | ||||
| -rw-r--r-- | include/linux/avf/virtchnl.h | 107 | ||||
| -rw-r--r-- | include/linux/bpf-cgroup.h | 2 | ||||
| -rw-r--r-- | include/linux/filter.h | 2 | ||||
| -rw-r--r-- | include/linux/ieee80211.h | 14 | ||||
| -rw-r--r-- | include/linux/mlx5/cq.h | 14 | ||||
| -rw-r--r-- | include/linux/mlx5/driver.h | 94 | ||||
| -rw-r--r-- | include/linux/mlx5/eswitch.h | 58 | ||||
| -rw-r--r-- | include/linux/mroute.h | 88 | ||||
| -rw-r--r-- | include/linux/mroute6.h | 62 | ||||
| -rw-r--r-- | include/linux/mroute_base.h | 346 | ||||
| -rw-r--r-- | include/linux/net.h | 8 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 6 | ||||
| -rw-r--r-- | include/linux/phy.h | 8 | ||||
| -rw-r--r-- | include/linux/ptp_classify.h | 4 | ||||
| -rw-r--r-- | include/linux/ptr_ring.h | 7 | ||||
| -rw-r--r-- | include/linux/rtnetlink.h | 2 | ||||
| -rw-r--r-- | include/linux/sfp.h | 18 | ||||
| -rw-r--r-- | include/linux/skbuff.h | 3 | ||||
| -rw-r--r-- | include/linux/socket.h | 2 |
20 files changed, 648 insertions, 199 deletions
diff --git a/include/linux/atalk.h b/include/linux/atalk.h index 4d356e168692..40373920ea58 100644 --- a/include/linux/atalk.h +++ b/include/linux/atalk.h @@ -113,10 +113,12 @@ extern void aarp_proto_init(void); /* Inter module exports */ /* Give a device find its atif control structure */ +#if IS_ENABLED(CONFIG_IRDA) || IS_ENABLED(CONFIG_ATALK) static inline struct atalk_iface *atalk_find_dev(struct net_device *dev) { return dev->atalk_ptr; } +#endif extern struct atalk_addr *atalk_find_dev_addr(struct net_device *dev); extern struct net_device *atrtr_get_dev(struct atalk_addr *sa); diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index 3ce61342fa31..b0a7f315bfbe 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -136,15 +136,21 @@ enum virtchnl_ops { VIRTCHNL_OP_ENABLE_VLAN_STRIPPING = 27, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING = 28, VIRTCHNL_OP_REQUEST_QUEUES = 29, + VIRTCHNL_OP_ENABLE_CHANNELS = 30, + VIRTCHNL_OP_DISABLE_CHANNELS = 31, + VIRTCHNL_OP_ADD_CLOUD_FILTER = 32, + VIRTCHNL_OP_DEL_CLOUD_FILTER = 33, }; -/* This macro is used to generate a compilation error if a structure +/* These macros are used to generate compilation errors if a structure/union * is not exactly the correct length. It gives a divide by zero error if the - * structure is not of the correct size, otherwise it creates an enum that is - * never used. + * structure/union is not of the correct size, otherwise it creates an enum + * that is never used. */ #define VIRTCHNL_CHECK_STRUCT_LEN(n, X) enum virtchnl_static_assert_enum_##X \ { virtchnl_static_assert_##X = (n)/((sizeof(struct X) == (n)) ? 1 : 0) } +#define VIRTCHNL_CHECK_UNION_LEN(n, X) enum virtchnl_static_asset_enum_##X \ + { virtchnl_static_assert_##X = (n)/((sizeof(union X) == (n)) ? 1 : 0) } /* Virtual channel message descriptor. This overlays the admin queue * descriptor. All other data is passed in external buffers. @@ -244,6 +250,7 @@ VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_vsi_resource); #define VIRTCHNL_VF_OFFLOAD_ENCAP 0X00100000 #define VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM 0X00200000 #define VIRTCHNL_VF_OFFLOAD_RX_ENCAP_CSUM 0X00400000 +#define VIRTCHNL_VF_OFFLOAD_ADQ 0X00800000 #define VF_BASE_MODE_OFFLOADS (VIRTCHNL_VF_OFFLOAD_L2 | \ VIRTCHNL_VF_OFFLOAD_VLAN | \ @@ -496,6 +503,81 @@ struct virtchnl_rss_hena { VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_rss_hena); +/* VIRTCHNL_OP_ENABLE_CHANNELS + * VIRTCHNL_OP_DISABLE_CHANNELS + * VF sends these messages to enable or disable channels based on + * the user specified queue count and queue offset for each traffic class. + * This struct encompasses all the information that the PF needs from + * VF to create a channel. + */ +struct virtchnl_channel_info { + u16 count; /* number of queues in a channel */ + u16 offset; /* queues in a channel start from 'offset' */ + u32 pad; + u64 max_tx_rate; +}; + +VIRTCHNL_CHECK_STRUCT_LEN(16, virtchnl_channel_info); + +struct virtchnl_tc_info { + u32 num_tc; + u32 pad; + struct virtchnl_channel_info list[1]; +}; + +VIRTCHNL_CHECK_STRUCT_LEN(24, virtchnl_tc_info); + +/* VIRTCHNL_ADD_CLOUD_FILTER + * VIRTCHNL_DEL_CLOUD_FILTER + * VF sends these messages to add or delete a cloud filter based on the + * user specified match and action filters. These structures encompass + * all the information that the PF needs from the VF to add/delete a + * cloud filter. + */ + +struct virtchnl_l4_spec { + u8 src_mac[ETH_ALEN]; + u8 dst_mac[ETH_ALEN]; + __be16 vlan_id; + __be16 pad; /* reserved for future use */ + __be32 src_ip[4]; + __be32 dst_ip[4]; + __be16 src_port; + __be16 dst_port; +}; + +VIRTCHNL_CHECK_STRUCT_LEN(52, virtchnl_l4_spec); + +union virtchnl_flow_spec { + struct virtchnl_l4_spec tcp_spec; + u8 buffer[128]; /* reserved for future use */ +}; + +VIRTCHNL_CHECK_UNION_LEN(128, virtchnl_flow_spec); + +enum virtchnl_action { + /* action types */ + VIRTCHNL_ACTION_DROP = 0, + VIRTCHNL_ACTION_TC_REDIRECT, +}; + +enum virtchnl_flow_type { + /* flow types */ + VIRTCHNL_TCP_V4_FLOW = 0, + VIRTCHNL_TCP_V6_FLOW, +}; + +struct virtchnl_filter { + union virtchnl_flow_spec data; + union virtchnl_flow_spec mask; + enum virtchnl_flow_type flow_type; + enum virtchnl_action action; + u32 action_meta; + __u8 field_flags; +}; + +VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter); + /* VIRTCHNL_OP_EVENT * PF sends this message to inform the VF driver of events that may affect it. * No direct response is expected from the VF, though it may generate other @@ -711,6 +793,25 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode, case VIRTCHNL_OP_REQUEST_QUEUES: valid_len = sizeof(struct virtchnl_vf_res_request); break; + case VIRTCHNL_OP_ENABLE_CHANNELS: + valid_len = sizeof(struct virtchnl_tc_info); + if (msglen >= valid_len) { + struct virtchnl_tc_info *vti = + (struct virtchnl_tc_info *)msg; + valid_len += vti->num_tc * + sizeof(struct virtchnl_channel_info); + if (vti->num_tc == 0) + err_msg_format = true; + } + break; + case VIRTCHNL_OP_DISABLE_CHANNELS: + break; + case VIRTCHNL_OP_ADD_CLOUD_FILTER: + valid_len = sizeof(struct virtchnl_filter); + break; + case VIRTCHNL_OP_DEL_CLOUD_FILTER: + valid_len = sizeof(struct virtchnl_filter); + break; /* These are always errors coming from the VF. */ case VIRTCHNL_OP_EVENT: case VIRTCHNL_OP_UNKNOWN: diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index a7f16e0f8d68..8a4566691c8f 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -96,7 +96,7 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled && sk) { \ + if (cgroup_bpf_enabled) { \ __ret = __cgroup_bpf_run_filter_sk(sk, \ BPF_CGROUP_INET_SOCK_CREATE); \ } \ diff --git a/include/linux/filter.h b/include/linux/filter.h index 276932d75975..fdb691b520c0 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -20,7 +20,6 @@ #include <linux/set_memory.h> #include <linux/kallsyms.h> -#include <net/xdp.h> #include <net/sch_generic.h> #include <uapi/linux/filter.h> @@ -30,6 +29,7 @@ struct sk_buff; struct sock; struct seccomp_data; struct bpf_prog_aux; +struct xdp_rxq_info; /* ArgX, context and stack frame pointer register positions. Note, * Arg1, Arg2, Arg3, etc are used as argument mappings of function diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index ee6657a0ed69..8fe7e4306816 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -8,6 +8,7 @@ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright (c) 2016 - 2017 Intel Deutschland GmbH + * Copyright (c) 2018 Intel Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -2111,7 +2112,7 @@ enum ieee80211_key_len { #define FILS_ERP_MAX_REALM_LEN 253 #define FILS_ERP_MAX_RRK_LEN 64 -#define PMK_MAX_LEN 48 +#define PMK_MAX_LEN 64 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ enum ieee80211_pub_actioncode { @@ -2502,6 +2503,17 @@ static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) } /** + * ieee80211_get_tid - get qos TID + * @hdr: the frame + */ +static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) +{ + u8 *qc = ieee80211_get_qos_ctl(hdr); + + return qc[0] & IEEE80211_QOS_CTL_TID_MASK; +} + +/** * ieee80211_get_SA - get pointer to SA * @hdr: the frame * diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h index 48c181a2acc9..445ad194e0fe 100644 --- a/include/linux/mlx5/cq.h +++ b/include/linux/mlx5/cq.h @@ -60,6 +60,7 @@ struct mlx5_core_cq { } tasklet_ctx; int reset_notify_added; struct list_head reset_notify; + struct mlx5_eq *eq; }; @@ -171,8 +172,17 @@ static inline void mlx5_cq_arm(struct mlx5_core_cq *cq, u32 cmd, mlx5_write64(doorbell, uar_page + MLX5_CQ_DOORBELL, NULL); } -int mlx5_init_cq_table(struct mlx5_core_dev *dev); -void mlx5_cleanup_cq_table(struct mlx5_core_dev *dev); +static inline void mlx5_cq_hold(struct mlx5_core_cq *cq) +{ + refcount_inc(&cq->refcount); +} + +static inline void mlx5_cq_put(struct mlx5_core_cq *cq) +{ + if (refcount_dec_and_test(&cq->refcount)) + complete(&cq->free); +} + int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, u32 *in, int inlen); int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq); diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 6ed79a8a8318..4814cad7456e 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -345,13 +345,6 @@ struct mlx5_buf_list { dma_addr_t map; }; -struct mlx5_buf { - struct mlx5_buf_list direct; - int npages; - int size; - u8 page_shift; -}; - struct mlx5_frag_buf { struct mlx5_buf_list *frags; int npages; @@ -359,6 +352,15 @@ struct mlx5_frag_buf { u8 page_shift; }; +struct mlx5_frag_buf_ctrl { + struct mlx5_frag_buf frag_buf; + u32 sz_m1; + u32 frag_sz_m1; + u8 log_sz; + u8 log_stride; + u8 log_frag_strides; +}; + struct mlx5_eq_tasklet { struct list_head list; struct list_head process_list; @@ -375,11 +377,18 @@ struct mlx5_eq_pagefault { mempool_t *pool; }; +struct mlx5_cq_table { + /* protect radix tree */ + spinlock_t lock; + struct radix_tree_root tree; +}; + struct mlx5_eq { struct mlx5_core_dev *dev; + struct mlx5_cq_table cq_table; __be32 __iomem *doorbell; u32 cons_index; - struct mlx5_buf buf; + struct mlx5_frag_buf buf; int size; unsigned int irqn; u8 eqn; @@ -526,13 +535,6 @@ struct mlx5_core_health { struct delayed_work recover_work; }; -struct mlx5_cq_table { - /* protect radix tree - */ - spinlock_t lock; - struct radix_tree_root tree; -}; - struct mlx5_qp_table { /* protect radix tree */ @@ -654,10 +656,6 @@ struct mlx5_priv { struct dentry *cmdif_debugfs; /* end: qp staff */ - /* start: cq staff */ - struct mlx5_cq_table cq_table; - /* end: cq staff */ - /* start: mkey staff */ struct mlx5_mkey_table mkey_table; /* end: mkey staff */ @@ -936,9 +934,9 @@ struct mlx5_hca_vport_context { bool grh_required; }; -static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset) +static inline void *mlx5_buf_offset(struct mlx5_frag_buf *buf, int offset) { - return buf->direct.buf + offset; + return buf->frags->buf + offset; } #define STRUCT_FIELD(header, field) \ @@ -977,6 +975,25 @@ static inline u32 mlx5_base_mkey(const u32 key) return key & 0xffffff00u; } +static inline void mlx5_core_init_cq_frag_buf(struct mlx5_frag_buf_ctrl *fbc, + void *cqc) +{ + fbc->log_stride = 6 + MLX5_GET(cqc, cqc, cqe_sz); + fbc->log_sz = MLX5_GET(cqc, cqc, log_cq_size); + fbc->sz_m1 = (1 << fbc->log_sz) - 1; + fbc->log_frag_strides = PAGE_SHIFT - fbc->log_stride; + fbc->frag_sz_m1 = (1 << fbc->log_frag_strides) - 1; +} + +static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc, + u32 ix) +{ + unsigned int frag = (ix >> fbc->log_frag_strides); + + return fbc->frag_buf.frags[frag].buf + + ((fbc->frag_sz_m1 & ix) << fbc->log_stride); +} + int mlx5_cmd_init(struct mlx5_core_dev *dev); void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); void mlx5_cmd_use_events(struct mlx5_core_dev *dev); @@ -1002,9 +1019,10 @@ void mlx5_drain_health_wq(struct mlx5_core_dev *dev); void mlx5_trigger_health_work(struct mlx5_core_dev *dev); void mlx5_drain_health_recovery(struct mlx5_core_dev *dev); int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size, - struct mlx5_buf *buf, int node); -int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf); -void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf); + struct mlx5_frag_buf *buf, int node); +int mlx5_buf_alloc(struct mlx5_core_dev *dev, + int size, struct mlx5_frag_buf *buf); +void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf); int mlx5_frag_buf_alloc_node(struct mlx5_core_dev *dev, int size, struct mlx5_frag_buf *buf, int node); void mlx5_frag_buf_free(struct mlx5_core_dev *dev, struct mlx5_frag_buf *buf); @@ -1049,22 +1067,12 @@ int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); void mlx5_register_debugfs(void); void mlx5_unregister_debugfs(void); -int mlx5_eq_init(struct mlx5_core_dev *dev); -void mlx5_eq_cleanup(struct mlx5_core_dev *dev); -void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas); + +void mlx5_fill_page_array(struct mlx5_frag_buf *buf, __be64 *pas); void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas); -void mlx5_cq_completion(struct mlx5_core_dev *dev, u32 cqn); void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type); void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type); struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn); -void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced); -void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type); -int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, - int nent, u64 mask, const char *name, - enum mlx5_eq_type type); -int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq); -int mlx5_start_eqs(struct mlx5_core_dev *dev); -void mlx5_stop_eqs(struct mlx5_core_dev *dev); int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, unsigned int *irqn); int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); @@ -1076,14 +1084,6 @@ int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in, void *data_out, int size_out, u16 reg_num, int arg, int write); -int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq); -void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq); -int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq, - u32 *out, int outlen); -int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev); -void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev); -int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev); -void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db); int mlx5_db_alloc_node(struct mlx5_core_dev *dev, struct mlx5_db *db, int node); @@ -1224,6 +1224,12 @@ static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev) return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF); } +#define MLX5_TOTAL_VPORTS(mdev) (1 + pci_sriov_get_totalvfs((mdev)->pdev)) +#define MLX5_VPORT_MANAGER(mdev) \ + (MLX5_CAP_GEN(mdev, vport_group_manager) && \ + (MLX5_CAP_GEN(mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && \ + mlx5_core_is_pf(mdev)) + static inline int mlx5_get_gid_table_len(u16 param) { if (param > 4) { diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h new file mode 100644 index 000000000000..d3c9db492b30 --- /dev/null +++ b/include/linux/mlx5/eswitch.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* + * Copyright (c) 2018 Mellanox Technologies. All rights reserved. + */ + +#ifndef _MLX5_ESWITCH_ +#define _MLX5_ESWITCH_ + +#include <linux/mlx5/driver.h> + +enum { + SRIOV_NONE, + SRIOV_LEGACY, + SRIOV_OFFLOADS +}; + +enum { + REP_ETH, + REP_IB, + NUM_REP_TYPES, +}; + +struct mlx5_eswitch_rep; +struct mlx5_eswitch_rep_if { + int (*load)(struct mlx5_core_dev *dev, + struct mlx5_eswitch_rep *rep); + void (*unload)(struct mlx5_eswitch_rep *rep); + void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep); + void *priv; + bool valid; +}; + +struct mlx5_eswitch_rep { + struct mlx5_eswitch_rep_if rep_if[NUM_REP_TYPES]; + u16 vport; + u8 hw_id[ETH_ALEN]; + u16 vlan; + u32 vlan_refcount; +}; + +void mlx5_eswitch_register_vport_rep(struct mlx5_eswitch *esw, + int vport_index, + struct mlx5_eswitch_rep_if *rep_if, + u8 rep_type); +void mlx5_eswitch_unregister_vport_rep(struct mlx5_eswitch *esw, + int vport_index, + u8 rep_type); +void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw, + int vport, + u8 rep_type); +struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw, + int vport); +void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type); +u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw); +struct mlx5_flow_handle * +mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, + int vport, u32 sqn); +#endif diff --git a/include/linux/mroute.h b/include/linux/mroute.h index 5396521a776a..7ed82e4f11b3 100644 --- a/include/linux/mroute.h +++ b/include/linux/mroute.h @@ -4,11 +4,10 @@ #include <linux/in.h> #include <linux/pim.h> -#include <linux/rhashtable.h> -#include <net/sock.h> #include <net/fib_rules.h> #include <net/fib_notifier.h> #include <uapi/linux/mroute.h> +#include <linux/mroute_base.h> #ifdef CONFIG_IP_MROUTE static inline int ip_mroute_opt(int opt) @@ -56,18 +55,6 @@ static inline bool ipmr_rule_default(const struct fib_rule *rule) } #endif -struct vif_device { - struct net_device *dev; /* Device we are using */ - struct netdev_phys_item_id dev_parent_id; /* Device parent ID */ - unsigned long bytes_in,bytes_out; - unsigned long pkt_in,pkt_out; /* Statistics */ - unsigned long rate_limit; /* Traffic shaping (NI) */ - unsigned char threshold; /* TTL threshold */ - unsigned short flags; /* Control flags */ - __be32 local,remote; /* Addresses(remote for tunnels)*/ - int link; /* Physical interface index */ -}; - struct vif_entry_notifier_info { struct fib_notifier_info info; struct net_device *dev; @@ -78,34 +65,6 @@ struct vif_entry_notifier_info { #define VIFF_STATIC 0x8000 -#define VIF_EXISTS(_mrt, _idx) ((_mrt)->vif_table[_idx].dev != NULL) - -struct mr_table { - struct list_head list; - possible_net_t net; - u32 id; - struct sock __rcu *mroute_sk; - struct timer_list ipmr_expire_timer; - struct list_head mfc_unres_queue; - struct vif_device vif_table[MAXVIFS]; - struct rhltable mfc_hash; - struct list_head mfc_cache_list; - int maxvif; - atomic_t cache_resolve_queue_len; - bool mroute_do_assert; - bool mroute_do_pim; - int mroute_reg_vif_num; -}; - -/* mfc_flags: - * MFC_STATIC - the entry was added statically (not by a routing daemon) - * MFC_OFFLOAD - the entry was offloaded to the hardware - */ -enum { - MFC_STATIC = BIT(0), - MFC_OFFLOAD = BIT(1), -}; - struct mfc_cache_cmp_arg { __be32 mfc_mcastgrp; __be32 mfc_origin; @@ -113,28 +72,13 @@ struct mfc_cache_cmp_arg { /** * struct mfc_cache - multicast routing entries - * @mnode: rhashtable list + * @_c: Common multicast routing information; has to be first [for casting] * @mfc_mcastgrp: destination multicast group address * @mfc_origin: source address * @cmparg: used for rhashtable comparisons - * @mfc_parent: source interface (iif) - * @mfc_flags: entry flags - * @expires: unresolved entry expire time - * @unresolved: unresolved cached skbs - * @last_assert: time of last assert - * @minvif: minimum VIF id - * @maxvif: maximum VIF id - * @bytes: bytes that have passed for this entry - * @pkt: packets that have passed for this entry - * @wrong_if: number of wrong source interface hits - * @lastuse: time of last use of the group (traffic or update) - * @ttls: OIF TTL threshold array - * @refcount: reference count for this entry - * @list: global entry list - * @rcu: used for entry destruction */ struct mfc_cache { - struct rhlist_head mnode; + struct mr_mfc _c; union { struct { __be32 mfc_mcastgrp; @@ -142,28 +86,6 @@ struct mfc_cache { }; struct mfc_cache_cmp_arg cmparg; }; - vifi_t mfc_parent; - int mfc_flags; - - union { - struct { - unsigned long expires; - struct sk_buff_head unresolved; - } unres; - struct { - unsigned long last_assert; - int minvif; - int maxvif; - unsigned long bytes; - unsigned long pkt; - unsigned long wrong_if; - unsigned long lastuse; - unsigned char ttls[MAXVIFS]; - refcount_t refcount; - } res; - } mfc_un; - struct list_head list; - struct rcu_head rcu; }; struct mfc_entry_notifier_info { @@ -187,12 +109,12 @@ static inline void ipmr_cache_free(struct mfc_cache *mfc_cache) static inline void ipmr_cache_put(struct mfc_cache *c) { - if (refcount_dec_and_test(&c->mfc_un.res.refcount)) + if (refcount_dec_and_test(&c->_c.mfc_un.res.refcount)) ipmr_cache_free(c); } static inline void ipmr_cache_hold(struct mfc_cache *c) { - refcount_inc(&c->mfc_un.res.refcount); + refcount_inc(&c->_c.mfc_un.res.refcount); } #endif diff --git a/include/linux/mroute6.h b/include/linux/mroute6.h index 3014c52bfd86..1ac38e6819f5 100644 --- a/include/linux/mroute6.h +++ b/include/linux/mroute6.h @@ -7,6 +7,7 @@ #include <linux/skbuff.h> /* for struct sk_buff_head */ #include <net/net_namespace.h> #include <uapi/linux/mroute6.h> +#include <linux/mroute_base.h> #ifdef CONFIG_IPV6_MROUTE static inline int ip6_mroute_opt(int opt) @@ -62,57 +63,24 @@ static inline void ip6_mr_cleanup(void) } #endif -struct mif_device { - struct net_device *dev; /* Device we are using */ - unsigned long bytes_in,bytes_out; - unsigned long pkt_in,pkt_out; /* Statistics */ - unsigned long rate_limit; /* Traffic shaping (NI) */ - unsigned char threshold; /* TTL threshold */ - unsigned short flags; /* Control flags */ - int link; /* Physical interface index */ -}; - #define VIFF_STATIC 0x8000 -struct mfc6_cache { - struct list_head list; - struct in6_addr mf6c_mcastgrp; /* Group the entry belongs to */ - struct in6_addr mf6c_origin; /* Source of packet */ - mifi_t mf6c_parent; /* Source interface */ - int mfc_flags; /* Flags on line */ +struct mfc6_cache_cmp_arg { + struct in6_addr mf6c_mcastgrp; + struct in6_addr mf6c_origin; +}; +struct mfc6_cache { + struct mr_mfc _c; union { struct { - unsigned long expires; - struct sk_buff_head unresolved; /* Unresolved buffers */ - } unres; - struct { - unsigned long last_assert; - int minvif; - int maxvif; - unsigned long bytes; - unsigned long pkt; - unsigned long wrong_if; - unsigned long lastuse; - unsigned char ttls[MAXMIFS]; /* TTL thresholds */ - } res; - } mfc_un; + struct in6_addr mf6c_mcastgrp; + struct in6_addr mf6c_origin; + }; + struct mfc6_cache_cmp_arg cmparg; + }; }; -#define MFC_STATIC 1 -#define MFC_NOTIFY 2 - -#define MFC6_LINES 64 - -#define MFC6_HASH(a, g) (((__force u32)(a)->s6_addr32[0] ^ \ - (__force u32)(a)->s6_addr32[1] ^ \ - (__force u32)(a)->s6_addr32[2] ^ \ - (__force u32)(a)->s6_addr32[3] ^ \ - (__force u32)(g)->s6_addr32[0] ^ \ - (__force u32)(g)->s6_addr32[1] ^ \ - (__force u32)(g)->s6_addr32[2] ^ \ - (__force u32)(g)->s6_addr32[3]) % MFC6_LINES) - #define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */ struct rtmsg; @@ -120,12 +88,12 @@ extern int ip6mr_get_route(struct net *net, struct sk_buff *skb, struct rtmsg *rtm, u32 portid); #ifdef CONFIG_IPV6_MROUTE -extern struct sock *mroute6_socket(struct net *net, struct sk_buff *skb); +bool mroute6_is_socket(struct net *net, struct sk_buff *skb); extern int ip6mr_sk_done(struct sock *sk); #else -static inline struct sock *mroute6_socket(struct net *net, struct sk_buff *skb) +static inline bool mroute6_is_socket(struct net *net, struct sk_buff *skb) { - return NULL; + return false; } static inline int ip6mr_sk_done(struct sock *sk) { diff --git a/include/linux/mroute_base.h b/include/linux/mroute_base.h new file mode 100644 index 000000000000..c2560cb50f1d --- /dev/null +++ b/include/linux/mroute_base.h @@ -0,0 +1,346 @@ +#ifndef __LINUX_MROUTE_BASE_H +#define __LINUX_MROUTE_BASE_H + +#include <linux/netdevice.h> +#include <linux/rhashtable.h> +#include <linux/spinlock.h> +#include <net/net_namespace.h> +#include <net/sock.h> + +/** + * struct vif_device - interface representor for multicast routing + * @dev: network device being used + * @bytes_in: statistic; bytes ingressing + * @bytes_out: statistic; bytes egresing + * @pkt_in: statistic; packets ingressing + * @pkt_out: statistic; packets egressing + * @rate_limit: Traffic shaping (NI) + * @threshold: TTL threshold + * @flags: Control flags + * @link: Physical interface index + * @dev_parent_id: device parent id + * @local: Local address + * @remote: Remote address for tunnels + */ +struct vif_device { + struct net_device *dev; + unsigned long bytes_in, bytes_out; + unsigned long pkt_in, pkt_out; + unsigned long rate_limit; + unsigned char threshold; + unsigned short flags; + int link; + + /* Currently only used by ipmr */ + struct netdev_phys_item_id dev_parent_id; + __be32 local, remote; +}; + +#ifndef MAXVIFS +/* This one is nasty; value is defined in uapi using different symbols for + * mroute and morute6 but both map into same 32. + */ +#define MAXVIFS 32 +#endif + +#define VIF_EXISTS(_mrt, _idx) (!!((_mrt)->vif_table[_idx].dev)) + +/* mfc_flags: + * MFC_STATIC - the entry was added statically (not by a routing daemon) + * MFC_OFFLOAD - the entry was offloaded to the hardware + */ +enum { + MFC_STATIC = BIT(0), + MFC_OFFLOAD = BIT(1), +}; + +/** + * struct mr_mfc - common multicast routing entries + * @mnode: rhashtable list + * @mfc_parent: source interface (iif) + * @mfc_flags: entry flags + * @expires: unresolved entry expire time + * @unresolved: unresolved cached skbs + * @last_assert: time of last assert + * @minvif: minimum VIF id + * @maxvif: maximum VIF id + * @bytes: bytes that have passed for this entry + * @pkt: packets that have passed for this entry + * @wrong_if: number of wrong source interface hits + * @lastuse: time of last use of the group (traffic or update) + * @ttls: OIF TTL threshold array + * @refcount: reference count for this entry + * @list: global entry list + * @rcu: used for entry destruction + */ +struct mr_mfc { + struct rhlist_head mnode; + unsigned short mfc_parent; + int mfc_flags; + + union { + struct { + unsigned long expires; + struct sk_buff_head unresolved; + } unres; + struct { + unsigned long last_assert; + int minvif; + int maxvif; + unsigned long bytes; + unsigned long pkt; + unsigned long wrong_if; + unsigned long lastuse; + unsigned char ttls[MAXVIFS]; + refcount_t refcount; + } res; + } mfc_un; + struct list_head list; + struct rcu_head rcu; +}; + +struct mr_table; + +/** + * struct mr_table_ops - callbacks and info for protocol-specific ops + * @rht_params: parameters for accessing the MFC hash + * @cmparg_any: a hash key to be used for matching on (*,*) routes + */ +struct mr_table_ops { + const struct rhashtable_params *rht_params; + void *cmparg_any; +}; + +/** + * struct mr_table - a multicast routing table + * @list: entry within a list of multicast routing tables + * @net: net where this table belongs + * @ops: protocol specific operations + * @id: identifier of the table + * @mroute_sk: socket associated with the table + * @ipmr_expire_timer: timer for handling unresolved routes + * @mfc_unres_queue: list of unresolved MFC entries + * @vif_table: array containing all possible vifs + * @mfc_hash: Hash table of all resolved routes for easy lookup + * @mfc_cache_list: list of resovled routes for possible traversal + * @maxvif: Identifier of highest value vif currently in use + * @cache_resolve_queue_len: current size of unresolved queue + * @mroute_do_assert: Whether to inform userspace on wrong ingress + * @mroute_do_pim: Whether to receive IGMP PIMv1 + * @mroute_reg_vif_num: PIM-device vif index + */ +struct mr_table { + struct list_head list; + possible_net_t net; + struct mr_table_ops ops; + u32 id; + struct sock __rcu *mroute_sk; + struct timer_list ipmr_expire_timer; + struct list_head mfc_unres_queue; + struct vif_device vif_table[MAXVIFS]; + struct rhltable mfc_hash; + struct list_head mfc_cache_list; + int maxvif; + atomic_t cache_resolve_queue_len; + bool mroute_do_assert; + bool mroute_do_pim; + int mroute_reg_vif_num; +}; + +#ifdef CONFIG_IP_MROUTE_COMMON +void vif_device_init(struct vif_device *v, + struct net_device *dev, + unsigned long rate_limit, + unsigned char threshold, + unsigned short flags, + unsigned short get_iflink_mask); + +struct mr_table * +mr_table_alloc(struct net *net, u32 id, + struct mr_table_ops *ops, + void (*expire_func)(struct timer_list *t), + void (*table_set)(struct mr_table *mrt, + struct net *net)); + +/* These actually return 'struct mr_mfc *', but to avoid need for explicit + * castings they simply return void. + */ +void *mr_mfc_find_parent(struct mr_table *mrt, + void *hasharg, int parent); +void *mr_mfc_find_any_parent(struct mr_table *mrt, int vifi); +void *mr_mfc_find_any(struct mr_table *mrt, int vifi, void *hasharg); + +int mr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, + struct mr_mfc *c, struct rtmsg *rtm); +int mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb, + struct mr_table *(*iter)(struct net *net, + struct mr_table *mrt), + int (*fill)(struct mr_table *mrt, + struct sk_buff *skb, + u32 portid, u32 seq, struct mr_mfc *c, + int cmd, int flags), + spinlock_t *lock); +#else +static inline void vif_device_init(struct vif_device *v, + struct net_device *dev, + unsigned long rate_limit, + unsigned char threshold, + unsigned short flags, + unsigned short get_iflink_mask) +{ +} + +static inline void * +mr_table_alloc(struct net *net, u32 id, + struct mr_table_ops *ops, + void (*expire_func)(struct timer_list *t), + void (*table_set)(struct mr_table *mrt, + struct net *net)) +{ + return NULL; +} + +static inline void *mr_mfc_find_parent(struct mr_table *mrt, + void *hasharg, int parent) +{ + return NULL; +} + +static inline void *mr_mfc_find_any_parent(struct mr_table *mrt, + int vifi) +{ + return NULL; +} + +static inline struct mr_mfc *mr_mfc_find_any(struct mr_table *mrt, + int vifi, void *hasharg) +{ + return NULL; +} + +static inline int mr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, + struct mr_mfc *c, struct rtmsg *rtm) +{ + return -EINVAL; +} + +static inline int +mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb, + struct mr_table *(*iter)(struct net *net, + struct mr_table *mrt), + int (*fill)(struct mr_table *mrt, + struct sk_buff *skb, + u32 portid, u32 seq, struct mr_mfc *c, + int cmd, int flags), + spinlock_t *lock) +{ + return -EINVAL; +} +#endif + +static inline void *mr_mfc_find(struct mr_table *mrt, void *hasharg) +{ + return mr_mfc_find_parent(mrt, hasharg, -1); +} + +#ifdef CONFIG_PROC_FS +struct mr_vif_iter { + struct seq_net_private p; + struct mr_table *mrt; + int ct; +}; + +struct mr_mfc_iter { + struct seq_net_private p; + struct mr_table *mrt; + struct list_head *cache; + + /* Lock protecting the mr_table's unresolved queue */ + spinlock_t *lock; +}; + +#ifdef CONFIG_IP_MROUTE_COMMON +void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter, loff_t pos); +void *mr_vif_seq_next(struct seq_file *seq, void *v, loff_t *pos); + +static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos) +{ + return *pos ? mr_vif_seq_idx(seq_file_net(seq), + seq->private, *pos - 1) + : SEQ_START_TOKEN; +} + +/* These actually return 'struct mr_mfc *', but to avoid need for explicit + * castings they simply return void. + */ +void *mr_mfc_seq_idx(struct net *net, + struct mr_mfc_iter *it, loff_t pos); +void *mr_mfc_seq_next(struct seq_file *seq, void *v, + loff_t *pos); + +static inline void *mr_mfc_seq_start(struct seq_file *seq, loff_t *pos, + struct mr_table *mrt, spinlock_t *lock) +{ + struct mr_mfc_iter *it = seq->private; + + it->mrt = mrt; + it->cache = NULL; + it->lock = lock; + + return *pos ? mr_mfc_seq_idx(seq_file_net(seq), + seq->private, *pos - 1) + : SEQ_START_TOKEN; +} + +static inline void mr_mfc_seq_stop(struct seq_file *seq, void *v) +{ + struct mr_mfc_iter *it = seq->private; + struct mr_table *mrt = it->mrt; + + if (it->cache == &mrt->mfc_unres_queue) + spin_unlock_bh(it->lock); + else if (it->cache == &mrt->mfc_cache_list) + rcu_read_unlock(); +} +#else +static inline void *mr_vif_seq_idx(struct net *net, struct mr_vif_iter *iter, + loff_t pos) +{ + return NULL; +} + +static inline void *mr_vif_seq_next(struct seq_file *seq, + void *v, loff_t *pos) +{ + return NULL; +} + +static inline void *mr_vif_seq_start(struct seq_file *seq, loff_t *pos) +{ + return NULL; +} + +static inline void *mr_mfc_seq_idx(struct net *net, + struct mr_mfc_iter *it, loff_t pos) +{ + return NULL; +} + +static inline void *mr_mfc_seq_next(struct seq_file *seq, void *v, + loff_t *pos) +{ + return NULL; +} + +static inline void *mr_mfc_seq_start(struct seq_file *seq, loff_t *pos, + struct mr_table *mrt, spinlock_t *lock) +{ + return NULL; +} + +static inline void mr_mfc_seq_stop(struct seq_file *seq, void *v) +{ +} +#endif +#endif +#endif diff --git a/include/linux/net.h b/include/linux/net.h index 91216b16feb7..000d1aada74f 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -146,7 +146,7 @@ struct proto_ops { struct socket *newsock, int flags, bool kern); int (*getname) (struct socket *sock, struct sockaddr *addr, - int *sockaddr_len, int peer); + int peer); __poll_t (*poll) (struct file *file, struct socket *sock, struct poll_table_struct *wait); int (*ioctl) (struct socket *sock, unsigned int cmd, @@ -294,10 +294,8 @@ int kernel_listen(struct socket *sock, int backlog); int kernel_accept(struct socket *sock, struct socket **newsock, int flags); int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen, int flags); -int kernel_getsockname(struct socket *sock, struct sockaddr *addr, - int *addrlen); -int kernel_getpeername(struct socket *sock, struct sockaddr *addr, - int *addrlen); +int kernel_getsockname(struct socket *sock, struct sockaddr *addr); +int kernel_getpeername(struct socket *sock, struct sockaddr *addr); int kernel_getsockopt(struct socket *sock, int level, int optname, char *optval, int *optlen); int kernel_setsockopt(struct socket *sock, int level, int optname, char *optval, diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5eef6c8e2741..dbe6344b727a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1798,11 +1798,17 @@ struct net_device { #if IS_ENABLED(CONFIG_TIPC) struct tipc_bearer __rcu *tipc_ptr; #endif +#if IS_ENABLED(CONFIG_IRDA) || IS_ENABLED(CONFIG_ATALK) void *atalk_ptr; +#endif struct in_device __rcu *ip_ptr; +#if IS_ENABLED(CONFIG_DECNET) struct dn_dev __rcu *dn_ptr; +#endif struct inet6_dev __rcu *ip6_ptr; +#if IS_ENABLED(CONFIG_AX25) void *ax25_ptr; +#endif struct wireless_dev *ieee80211_ptr; struct wpan_dev *ieee802154_ptr; #if IS_ENABLED(CONFIG_MPLS_ROUTING) diff --git a/include/linux/phy.h b/include/linux/phy.h index d7069539f351..5a9b1753fdc5 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -995,6 +995,14 @@ int genphy_c45_pma_setup_forced(struct phy_device *phydev); int genphy_c45_an_disable_aneg(struct phy_device *phydev); int genphy_c45_read_mdix(struct phy_device *phydev); +/* The gen10g_* functions are the old Clause 45 stub */ +int gen10g_config_aneg(struct phy_device *phydev); +int gen10g_read_status(struct phy_device *phydev); +int gen10g_no_soft_reset(struct phy_device *phydev); +int gen10g_config_init(struct phy_device *phydev); +int gen10g_suspend(struct phy_device *phydev); +int gen10g_resume(struct phy_device *phydev); + static inline int phy_read_status(struct phy_device *phydev) { if (!phydev->drv) diff --git a/include/linux/ptp_classify.h b/include/linux/ptp_classify.h index a079656b614c..059242030631 100644 --- a/include/linux/ptp_classify.h +++ b/include/linux/ptp_classify.h @@ -75,5 +75,9 @@ void __init ptp_classifier_init(void); static inline void ptp_classifier_init(void) { } +static inline unsigned int ptp_classify_raw(struct sk_buff *skb) +{ + return PTP_CLASS_NONE; +} #endif #endif /* _PTP_CLASSIFY_H_ */ diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h index e6335227b844..6894976b54e3 100644 --- a/include/linux/ptr_ring.h +++ b/include/linux/ptr_ring.h @@ -296,13 +296,14 @@ static inline void *__ptr_ring_consume(struct ptr_ring *r) { void *ptr; + /* The READ_ONCE in __ptr_ring_peek guarantees that anyone + * accessing data through the pointer is up to date. Pairs + * with smp_wmb in __ptr_ring_produce. + */ ptr = __ptr_ring_peek(r); if (ptr) __ptr_ring_discard_one(r); - /* Make sure anyone accessing data through the pointer is up to date. */ - /* Pairs with smp_wmb in __ptr_ring_produce. */ - smp_read_barrier_depends(); return ptr; } diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 1fdcde96eb65..3573b4bf2fdf 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -35,7 +35,7 @@ extern int rtnl_trylock(void); extern int rtnl_is_locked(void); extern wait_queue_head_t netdev_unregistering_wq; -extern struct mutex net_mutex; +extern struct rw_semaphore net_sem; #ifdef CONFIG_PROVE_LOCKING extern bool lockdep_rtnl_is_held(void); diff --git a/include/linux/sfp.h b/include/linux/sfp.h index e724d5a3dd80..ebce9e24906a 100644 --- a/include/linux/sfp.h +++ b/include/linux/sfp.h @@ -422,10 +422,11 @@ struct sfp_upstream_ops { #if IS_ENABLED(CONFIG_SFP) int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id, unsigned long *support); -phy_interface_t sfp_parse_interface(struct sfp_bus *bus, - const struct sfp_eeprom_id *id); void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, unsigned long *support); +phy_interface_t sfp_select_interface(struct sfp_bus *bus, + const struct sfp_eeprom_id *id, + unsigned long *link_modes); int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo); int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee, @@ -444,18 +445,19 @@ static inline int sfp_parse_port(struct sfp_bus *bus, return PORT_OTHER; } -static inline phy_interface_t sfp_parse_interface(struct sfp_bus *bus, - const struct sfp_eeprom_id *id) -{ - return PHY_INTERFACE_MODE_NA; -} - static inline void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id, unsigned long *support) { } +static inline phy_interface_t sfp_select_interface(struct sfp_bus *bus, + const struct sfp_eeprom_id *id, + unsigned long *link_modes) +{ + return PHY_INTERFACE_MODE_NA; +} + static inline int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo) { diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index ddf77cf4ff2d..d8340e6e8814 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -466,6 +466,9 @@ struct ubuf_info { #define skb_uarg(SKB) ((struct ubuf_info *)(skb_shinfo(SKB)->destructor_arg)) +int mm_account_pinned_pages(struct mmpin *mmp, size_t size); +void mm_unaccount_pinned_pages(struct mmpin *mmp); + struct ubuf_info *sock_zerocopy_alloc(struct sock *sk, size_t size); struct ubuf_info *sock_zerocopy_realloc(struct sock *sk, size_t size, struct ubuf_info *uarg); diff --git a/include/linux/socket.h b/include/linux/socket.h index 9286a5a8c60c..1ce1f768a58c 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -353,4 +353,6 @@ extern int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen unsigned int flags, struct timespec *timeout); extern int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen, unsigned int flags); + +extern struct ns_common *get_net_ns(struct ns_common *ns); #endif /* _LINUX_SOCKET_H */ |