diff options
Diffstat (limited to 'include/linux')
29 files changed, 1138 insertions, 210 deletions
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h index 59f4a7304419..f0ba9c2ec639 100644 --- a/include/linux/brcmphy.h +++ b/include/linux/brcmphy.h @@ -26,6 +26,7 @@ #define PHY_ID_BCM7366 0x600d8490 #define PHY_ID_BCM7425 0x600d86b0 #define PHY_ID_BCM7429 0x600d8730 +#define PHY_ID_BCM7435 0x600d8750 #define PHY_ID_BCM7439 0x600d8480 #define PHY_ID_BCM7439_2 0xae025080 #define PHY_ID_BCM7445 0x600d8510 diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 06b77f9dd3f2..e5f4164cbd99 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -231,6 +231,14 @@ struct cgroup { int id; /* + * The depth this cgroup is at. The root is at depth zero and each + * step down the hierarchy increments the level. This along with + * ancestor_ids[] can determine whether a given cgroup is a + * descendant of another without traversing the hierarchy. + */ + int level; + + /* * Each non-empty css_set associated with this cgroup contributes * one to populated_cnt. All children with non-zero popuplated_cnt * of their own contribute one. The count is zero iff there's no @@ -285,6 +293,9 @@ struct cgroup { /* used to schedule release agent */ struct work_struct release_agent_work; + + /* ids of the ancestors at each level including self */ + int ancestor_ids[]; }; /* @@ -304,6 +315,9 @@ struct cgroup_root { /* The root cgroup. Root is destroyed on its release. */ struct cgroup cgrp; + /* for cgrp->ancestor_ids[0] */ + int cgrp_ancestor_id_storage; + /* Number of cgroups in the hierarchy, used only for /proc/cgroups */ atomic_t nr_cgrps; @@ -521,4 +535,116 @@ static inline void cgroup_threadgroup_change_end(struct task_struct *tsk) {} #endif /* CONFIG_CGROUPS */ +#ifdef CONFIG_SOCK_CGROUP_DATA + +/* + * sock_cgroup_data is embedded at sock->sk_cgrp_data and contains + * per-socket cgroup information except for memcg association. + * + * On legacy hierarchies, net_prio and net_cls controllers directly set + * attributes on each sock which can then be tested by the network layer. + * On the default hierarchy, each sock is associated with the cgroup it was + * created in and the networking layer can match the cgroup directly. + * + * To avoid carrying all three cgroup related fields separately in sock, + * sock_cgroup_data overloads (prioidx, classid) and the cgroup pointer. + * On boot, sock_cgroup_data records the cgroup that the sock was created + * in so that cgroup2 matches can be made; however, once either net_prio or + * net_cls starts being used, the area is overriden to carry prioidx and/or + * classid. The two modes are distinguished by whether the lowest bit is + * set. Clear bit indicates cgroup pointer while set bit prioidx and + * classid. + * + * While userland may start using net_prio or net_cls at any time, once + * either is used, cgroup2 matching no longer works. There is no reason to + * mix the two and this is in line with how legacy and v2 compatibility is + * handled. On mode switch, cgroup references which are already being + * pointed to by socks may be leaked. While this can be remedied by adding + * synchronization around sock_cgroup_data, given that the number of leaked + * cgroups is bound and highly unlikely to be high, this seems to be the + * better trade-off. + */ +struct sock_cgroup_data { + union { +#ifdef __LITTLE_ENDIAN + struct { + u8 is_data; + u8 padding; + u16 prioidx; + u32 classid; + } __packed; +#else + struct { + u32 classid; + u16 prioidx; + u8 padding; + u8 is_data; + } __packed; +#endif + u64 val; + }; +}; + +/* + * There's a theoretical window where the following accessors race with + * updaters and return part of the previous pointer as the prioidx or + * classid. Such races are short-lived and the result isn't critical. + */ +static inline u16 sock_cgroup_prioidx(struct sock_cgroup_data *skcd) +{ + /* fallback to 1 which is always the ID of the root cgroup */ + return (skcd->is_data & 1) ? skcd->prioidx : 1; +} + +static inline u32 sock_cgroup_classid(struct sock_cgroup_data *skcd) +{ + /* fallback to 0 which is the unconfigured default classid */ + return (skcd->is_data & 1) ? skcd->classid : 0; +} + +/* + * If invoked concurrently, the updaters may clobber each other. The + * caller is responsible for synchronization. + */ +static inline void sock_cgroup_set_prioidx(struct sock_cgroup_data *skcd, + u16 prioidx) +{ + struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; + + if (sock_cgroup_prioidx(&skcd_buf) == prioidx) + return; + + if (!(skcd_buf.is_data & 1)) { + skcd_buf.val = 0; + skcd_buf.is_data = 1; + } + + skcd_buf.prioidx = prioidx; + WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +} + +static inline void sock_cgroup_set_classid(struct sock_cgroup_data *skcd, + u32 classid) +{ + struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; + + if (sock_cgroup_classid(&skcd_buf) == classid) + return; + + if (!(skcd_buf.is_data & 1)) { + skcd_buf.val = 0; + skcd_buf.is_data = 1; + } + + skcd_buf.classid = classid; + WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +} + +#else /* CONFIG_SOCK_CGROUP_DATA */ + +struct sock_cgroup_data { +}; + +#endif /* CONFIG_SOCK_CGROUP_DATA */ + #endif /* _LINUX_CGROUP_DEFS_H */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index cb91b44f5f78..322a28482745 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -81,7 +81,8 @@ struct cgroup_subsys_state *cgroup_get_e_css(struct cgroup *cgroup, struct cgroup_subsys_state *css_tryget_online_from_dir(struct dentry *dentry, struct cgroup_subsys *ss); -bool cgroup_is_descendant(struct cgroup *cgrp, struct cgroup *ancestor); +struct cgroup *cgroup_get_from_path(const char *path); + int cgroup_attach_task_all(struct task_struct *from, struct task_struct *); int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from); @@ -364,6 +365,11 @@ static inline void css_put_many(struct cgroup_subsys_state *css, unsigned int n) percpu_ref_put_many(&css->refcnt, n); } +static inline void cgroup_put(struct cgroup *cgrp) +{ + css_put(&cgrp->self); +} + /** * task_css_set_check - obtain a task's css_set with extra access conditions * @task: the task to obtain css_set for @@ -471,6 +477,23 @@ static inline struct cgroup *task_cgroup(struct task_struct *task, return task_css(task, subsys_id)->cgroup; } +/** + * cgroup_is_descendant - test ancestry + * @cgrp: the cgroup to be tested + * @ancestor: possible ancestor of @cgrp + * + * Test whether @cgrp is a descendant of @ancestor. It also returns %true + * if @cgrp == @ancestor. This function is safe to call as long as @cgrp + * and @ancestor are accessible. + */ +static inline bool cgroup_is_descendant(struct cgroup *cgrp, + struct cgroup *ancestor) +{ + if (cgrp->root != ancestor->root || cgrp->level < ancestor->level) + return false; + return cgrp->ancestor_ids[ancestor->level] == ancestor->id; +} + /* no synchronization, the result can only be used as a hint */ static inline bool cgroup_is_populated(struct cgroup *cgrp) { @@ -554,4 +577,45 @@ static inline int cgroup_init(void) { return 0; } #endif /* !CONFIG_CGROUPS */ +/* + * sock->sk_cgrp_data handling. For more info, see sock_cgroup_data + * definition in cgroup-defs.h. + */ +#ifdef CONFIG_SOCK_CGROUP_DATA + +#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) +extern spinlock_t cgroup_sk_update_lock; +#endif + +void cgroup_sk_alloc_disable(void); +void cgroup_sk_alloc(struct sock_cgroup_data *skcd); +void cgroup_sk_free(struct sock_cgroup_data *skcd); + +static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd) +{ +#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) + unsigned long v; + + /* + * @skcd->val is 64bit but the following is safe on 32bit too as we + * just need the lower ulong to be written and read atomically. + */ + v = READ_ONCE(skcd->val); + + if (v & 1) + return &cgrp_dfl_root.cgrp; + + return (struct cgroup *)(unsigned long)v ?: &cgrp_dfl_root.cgrp; +#else + return (struct cgroup *)(unsigned long)skcd->val; +#endif +} + +#else /* CONFIG_CGROUP_DATA */ + +static inline void cgroup_sk_alloc(struct sock_cgroup_data *skcd) {} +static inline void cgroup_sk_free(struct sock_cgroup_data *skcd) {} + +#endif /* CONFIG_CGROUP_DATA */ + #endif /* _LINUX_CGROUP_H */ diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h index 519b6e2d769e..661e5c2a8e2a 100644 --- a/include/linux/hashtable.h +++ b/include/linux/hashtable.h @@ -16,6 +16,10 @@ struct hlist_head name[1 << (bits)] = \ { [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT } +#define DEFINE_READ_MOSTLY_HASHTABLE(name, bits) \ + struct hlist_head name[1 << (bits)] __read_mostly = \ + { [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT } + #define DECLARE_HASHTABLE(name, bits) \ struct hlist_head name[1 << (bits)] diff --git a/include/linux/hdlc.h b/include/linux/hdlc.h index 1acb1445e05f..e31bcd4c7859 100644 --- a/include/linux/hdlc.h +++ b/include/linux/hdlc.h @@ -101,7 +101,7 @@ netdev_tx_t hdlc_start_xmit(struct sk_buff *skb, struct net_device *dev); int attach_hdlc_protocol(struct net_device *dev, struct hdlc_proto *proto, size_t size); /* May be used by hardware driver to gain control over HDLC device */ -void detach_hdlc_protocol(struct net_device *dev); +int detach_hdlc_protocol(struct net_device *dev); static __inline__ __be16 hdlc_type_trans(struct sk_buff *skb, struct net_device *dev) diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h index b49cf923becc..ba7a9b0c7c57 100644 --- a/include/linux/if_pppox.h +++ b/include/linux/if_pppox.h @@ -91,7 +91,6 @@ enum { PPPOX_CONNECTED = 1, /* connection established ==TCP_ESTABLISHED */ PPPOX_BOUND = 2, /* bound to ppp device */ PPPOX_RELAY = 4, /* forwarding is enabled */ - PPPOX_ZOMBIE = 8, /* dead, but still bound to ppp device */ PPPOX_DEAD = 16 /* dead, useless, please clean me up!*/ }; diff --git a/include/linux/if_team.h b/include/linux/if_team.h index a6aa970758a2..b84e49c3a738 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -164,6 +164,7 @@ struct team_mode { size_t priv_size; size_t port_priv_size; const struct team_mode_ops *ops; + enum netdev_lag_tx_type lag_tx_type; }; #define TEAM_PORT_HASHBITS 4 diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 67ce5bd3b56a..a5f6ce6b578c 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb) /* found in socket.c */ extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *)); -static inline bool is_vlan_dev(struct net_device *dev) +static inline bool is_vlan_dev(const struct net_device *dev) { return dev->priv_flags & IFF_802_1Q_VLAN; } @@ -621,7 +621,7 @@ static inline netdev_features_t vlan_features_check(const struct sk_buff *skb, NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | - NETIF_F_GEN_CSUM | + NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_STAG_TX); diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h index 0e707f0c1a3e..7c27fa1030e8 100644 --- a/include/linux/inet_diag.h +++ b/include/linux/inet_diag.h @@ -3,6 +3,7 @@ #include <uapi/linux/inet_diag.h> +struct net; struct sock; struct inet_hashinfo; struct nlattr; @@ -23,6 +24,10 @@ struct inet_diag_handler { void (*idiag_get_info)(struct sock *sk, struct inet_diag_msg *r, void *info); + + int (*destroy)(struct sk_buff *in_skb, + const struct inet_diag_req_v2 *req); + __u16 idiag_type; __u16 idiag_info_size; }; @@ -41,6 +46,10 @@ int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_skb, const struct nlmsghdr *nlh, const struct inet_diag_req_v2 *req); +struct sock *inet_diag_find_one_icsk(struct net *net, + struct inet_hashinfo *hashinfo, + const struct inet_diag_req_v2 *req); + int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk); extern int inet_diag_register(const struct inet_diag_handler *handler); diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 5d4e9c4b821d..af51df35d749 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -274,6 +274,8 @@ void pr_cont_kernfs_path(struct kernfs_node *kn); struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn); struct kernfs_node *kernfs_find_and_get_ns(struct kernfs_node *parent, const char *name, const void *ns); +struct kernfs_node *kernfs_walk_and_get_ns(struct kernfs_node *parent, + const char *path, const void *ns); void kernfs_get(struct kernfs_node *kn); void kernfs_put(struct kernfs_node *kn); @@ -350,6 +352,10 @@ static inline struct kernfs_node * kernfs_find_and_get_ns(struct kernfs_node *parent, const char *name, const void *ns) { return NULL; } +static inline struct kernfs_node * +kernfs_walk_and_get_ns(struct kernfs_node *parent, const char *path, + const void *ns) +{ return NULL; } static inline void kernfs_get(struct kernfs_node *kn) { } static inline void kernfs_put(struct kernfs_node *kn) { } @@ -431,6 +437,12 @@ kernfs_find_and_get(struct kernfs_node *kn, const char *name) } static inline struct kernfs_node * +kernfs_walk_and_get(struct kernfs_node *kn, const char *path) +{ + return kernfs_walk_and_get_ns(kn, path, NULL); +} + +static inline struct kernfs_node * kernfs_create_dir(struct kernfs_node *parent, const char *name, umode_t mode, void *priv) { diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h index 5a06d969338e..2e8af001c5da 100644 --- a/include/linux/mlx4/driver.h +++ b/include/linux/mlx4/driver.h @@ -75,6 +75,11 @@ static inline int mlx4_is_bonded(struct mlx4_dev *dev) return !!(dev->flags & MLX4_FLAG_BONDED); } +static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev) +{ + return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev)); +} + struct mlx4_port_map { u8 port1; u8 port2; diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 0b473cbfa7ef..7d3a85faefb7 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -251,6 +251,7 @@ enum mlx5_event { MLX5_EVENT_TYPE_PAGE_REQUEST = 0xb, MLX5_EVENT_TYPE_PAGE_FAULT = 0xc, + MLX5_EVENT_TYPE_NIC_VPORT_CHANGE = 0xd, }; enum { @@ -520,6 +521,12 @@ struct mlx5_eqe_page_fault { __be32 flags_qpn; } __packed; +struct mlx5_eqe_vport_change { + u8 rsvd0[2]; + __be16 vport_num; + __be32 rsvd1[6]; +} __packed; + union ev_data { __be32 raw[7]; struct mlx5_eqe_cmd cmd; @@ -532,6 +539,7 @@ union ev_data { struct mlx5_eqe_stall_vl stall_vl; struct mlx5_eqe_page_req req_pages; struct mlx5_eqe_page_fault page_fault; + struct mlx5_eqe_vport_change vport_change; } __packed; struct mlx5_eqe { @@ -1067,6 +1075,12 @@ enum { }; enum { + MLX5_ESW_VPORT_ADMIN_STATE_DOWN = 0x0, + MLX5_ESW_VPORT_ADMIN_STATE_UP = 0x1, + MLX5_ESW_VPORT_ADMIN_STATE_AUTO = 0x2, +}; + +enum { MLX5_L3_PROT_TYPE_IPV4 = 0, MLX5_L3_PROT_TYPE_IPV6 = 1, }; @@ -1102,6 +1116,12 @@ enum { MLX5_FLOW_CONTEXT_DEST_TYPE_TIR = 2, }; +enum mlx5_list_type { + MLX5_NVPRT_LIST_TYPE_UC = 0x0, + MLX5_NVPRT_LIST_TYPE_MC = 0x1, + MLX5_NVPRT_LIST_TYPE_VLAN = 0x2, +}; + enum { MLX5_RQC_RQ_TYPE_MEMORY_RQ_INLINE = 0x0, MLX5_RQC_RQ_TYPE_MEMORY_RQ_RPM = 0x1, @@ -1124,6 +1144,8 @@ enum mlx5_cap_type { MLX5_CAP_IPOIB_OFFLOADS, MLX5_CAP_EOIB_OFFLOADS, MLX5_CAP_FLOW_TABLE, + MLX5_CAP_ESWITCH_FLOW_TABLE, + MLX5_CAP_ESWITCH, /* NUM OF CAP Types */ MLX5_CAP_NUM }; @@ -1161,6 +1183,28 @@ enum mlx5_cap_type { #define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \ MLX5_GET(flow_table_nic_cap, mdev->hca_caps_max[MLX5_CAP_FLOW_TABLE], cap) +#define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \ + MLX5_GET(flow_table_eswitch_cap, \ + mdev->hca_caps_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + +#define MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, cap) \ + MLX5_GET(flow_table_eswitch_cap, \ + mdev->hca_caps_max[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + +#define MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, cap) \ + MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_nic_esw_fdb.cap) + +#define MLX5_CAP_ESW_FLOWTABLE_FDB_MAX(mdev, cap) \ + MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, flow_table_properties_nic_esw_fdb.cap) + +#define MLX5_CAP_ESW(mdev, cap) \ + MLX5_GET(e_switch_cap, \ + mdev->hca_caps_cur[MLX5_CAP_ESWITCH], cap) + +#define MLX5_CAP_ESW_MAX(mdev, cap) \ + MLX5_GET(e_switch_cap, \ + mdev->hca_caps_max[MLX5_CAP_ESWITCH], cap) + #define MLX5_CAP_ODP(mdev, cap)\ MLX5_GET(odp_cap, mdev->hca_caps_cur[MLX5_CAP_ODP], cap) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 5c857f2a20d7..2fd7019f69db 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -426,11 +426,23 @@ struct mlx5_mr_table { struct radix_tree_root tree; }; +struct mlx5_vf_context { + int enabled; +}; + +struct mlx5_core_sriov { + struct mlx5_vf_context *vfs_ctx; + int num_vfs; + int enabled_vfs; +}; + struct mlx5_irq_info { cpumask_var_t mask; char name[MLX5_MAX_IRQ_NAME]; }; +struct mlx5_eswitch; + struct mlx5_priv { char name[MLX5_MAX_NAME_LEN]; struct mlx5_eq_table eq_table; @@ -447,6 +459,7 @@ struct mlx5_priv { int fw_pages; atomic_t reg_pages; struct list_head free_list; + int vfs_pages; struct mlx5_core_health health; @@ -485,6 +498,12 @@ struct mlx5_priv { struct list_head dev_list; struct list_head ctx_list; spinlock_t ctx_lock; + + struct mlx5_eswitch *eswitch; + struct mlx5_core_sriov sriov; + unsigned long pci_dev_data; + struct mlx5_flow_root_namespace *root_ns; + struct mlx5_flow_root_namespace *fdb_root_ns; }; enum mlx5_device_state { @@ -739,6 +758,8 @@ void mlx5_pagealloc_init(struct mlx5_core_dev *dev); void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); int mlx5_pagealloc_start(struct mlx5_core_dev *dev); void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); +int mlx5_sriov_init(struct mlx5_core_dev *dev); +int mlx5_sriov_cleanup(struct mlx5_core_dev *dev); void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, s32 npages); int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); @@ -884,6 +905,15 @@ struct mlx5_profile { } mr_cache[MAX_MR_CACHE_ENTRIES]; }; +enum { + MLX5_PCI_DEV_IS_VF = 1 << 0, +}; + +static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev) +{ + return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF); +} + static inline int mlx5_get_gid_table_len(u16 param) { if (param > 4) { diff --git a/include/linux/mlx5/flow_table.h b/include/linux/mlx5/flow_table.h deleted file mode 100644 index 5f922c6d4fc2..000000000000 --- a/include/linux/mlx5/flow_table.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#ifndef MLX5_FLOW_TABLE_H -#define MLX5_FLOW_TABLE_H - -#include <linux/mlx5/driver.h> - -struct mlx5_flow_table_group { - u8 log_sz; - u8 match_criteria_enable; - u32 match_criteria[MLX5_ST_SZ_DW(fte_match_param)]; -}; - -void *mlx5_create_flow_table(struct mlx5_core_dev *dev, u8 level, u8 table_type, - u16 num_groups, - struct mlx5_flow_table_group *group); -void mlx5_destroy_flow_table(void *flow_table); -int mlx5_add_flow_table_entry(void *flow_table, u8 match_criteria_enable, - void *match_criteria, void *flow_context, - u32 *flow_index); -void mlx5_del_flow_table_entry(void *flow_table, u32 flow_index); -u32 mlx5_get_flow_table_id(void *flow_table); - -#endif /* MLX5_FLOW_TABLE_H */ diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h new file mode 100644 index 000000000000..bc7ad019afde --- /dev/null +++ b/include/linux/mlx5/fs.h @@ -0,0 +1,93 @@ +/* + * Copyright (c) 2015, Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _MLX5_FS_ +#define _MLX5_FS_ + +#include <linux/mlx5/driver.h> +#include <linux/mlx5/mlx5_ifc.h> + +#define MLX5_FS_DEFAULT_FLOW_TAG 0x0 + +enum mlx5_flow_namespace_type { + MLX5_FLOW_NAMESPACE_KERNEL, + MLX5_FLOW_NAMESPACE_FDB, +}; + +struct mlx5_flow_table; +struct mlx5_flow_group; +struct mlx5_flow_rule; +struct mlx5_flow_namespace; + +struct mlx5_flow_destination { + enum mlx5_flow_destination_type type; + union { + u32 tir_num; + struct mlx5_flow_table *ft; + u32 vport_num; + }; +}; + +struct mlx5_flow_namespace * +mlx5_get_flow_namespace(struct mlx5_core_dev *dev, + enum mlx5_flow_namespace_type type); + +struct mlx5_flow_table * +mlx5_create_flow_table(struct mlx5_flow_namespace *ns, + int prio, + int num_flow_table_entries); +int mlx5_destroy_flow_table(struct mlx5_flow_table *ft); + +/* inbox should be set with the following values: + * start_flow_index + * end_flow_index + * match_criteria_enable + * match_criteria + */ +struct mlx5_flow_group * +mlx5_create_flow_group(struct mlx5_flow_table *ft, u32 *in); +void mlx5_destroy_flow_group(struct mlx5_flow_group *fg); + +/* Single destination per rule. + * Group ID is implied by the match criteria. + */ +struct mlx5_flow_rule * +mlx5_add_flow_rule(struct mlx5_flow_table *ft, + u8 match_criteria_enable, + u32 *match_criteria, + u32 *match_value, + u32 action, + u32 flow_tag, + struct mlx5_flow_destination *dest); +void mlx5_del_flow_rule(struct mlx5_flow_rule *fr); + +#endif diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 1565324eb620..131a2737cfa3 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -256,25 +256,27 @@ struct mlx5_ifc_flow_table_fields_supported_bits { struct mlx5_ifc_flow_table_prop_layout_bits { u8 ft_support[0x1]; - u8 reserved_0[0x1f]; + u8 reserved_0[0x2]; + u8 flow_modify_en[0x1]; + u8 reserved_1[0x1c]; - u8 reserved_1[0x2]; + u8 reserved_2[0x2]; u8 log_max_ft_size[0x6]; - u8 reserved_2[0x10]; + u8 reserved_3[0x10]; u8 max_ft_level[0x8]; - u8 reserved_3[0x20]; + u8 reserved_4[0x20]; - u8 reserved_4[0x18]; + u8 reserved_5[0x18]; u8 log_max_ft_num[0x8]; - u8 reserved_5[0x18]; + u8 reserved_6[0x18]; u8 log_max_destination[0x8]; - u8 reserved_6[0x18]; + u8 reserved_7[0x18]; u8 log_max_flow[0x8]; - u8 reserved_7[0x40]; + u8 reserved_8[0x40]; struct mlx5_ifc_flow_table_fields_supported_bits ft_field_support; @@ -447,6 +449,29 @@ struct mlx5_ifc_flow_table_nic_cap_bits { u8 reserved_3[0x7200]; }; +struct mlx5_ifc_flow_table_eswitch_cap_bits { + u8 reserved_0[0x200]; + + struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_nic_esw_fdb; + + struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_esw_acl_ingress; + + struct mlx5_ifc_flow_table_prop_layout_bits flow_table_properties_esw_acl_egress; + + u8 reserved_1[0x7800]; +}; + +struct mlx5_ifc_e_switch_cap_bits { + u8 vport_svlan_strip[0x1]; + u8 vport_cvlan_strip[0x1]; + u8 vport_svlan_insert[0x1]; + u8 vport_cvlan_insert_if_not_exist[0x1]; + u8 vport_cvlan_insert_overwrite[0x1]; + u8 reserved_0[0x1b]; + + u8 reserved_1[0x7e0]; +}; + struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 csum_cap[0x1]; u8 vlan_cap[0x1]; @@ -665,7 +690,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_17[0x1]; u8 ets[0x1]; u8 nic_flow_table[0x1]; - u8 reserved_18[0x4]; + u8 eswitch_flow_table[0x1]; + u8 early_vf_enable; + u8 reserved_18[0x2]; u8 local_ca_ack_delay[0x5]; u8 reserved_19[0x6]; u8 port_type[0x2]; @@ -787,27 +814,36 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_60[0x1b]; u8 log_max_wq_sz[0x5]; - u8 reserved_61[0xa0]; - + u8 nic_vport_change_event[0x1]; + u8 reserved_61[0xa]; + u8 log_max_vlan_list[0x5]; u8 reserved_62[0x3]; + u8 log_max_current_mc_list[0x5]; + u8 reserved_63[0x3]; + u8 log_max_current_uc_list[0x5]; + + u8 reserved_64[0x80]; + + u8 reserved_65[0x3]; u8 log_max_l2_table[0x5]; - u8 reserved_63[0x8]; + u8 reserved_66[0x8]; u8 log_uar_page_sz[0x10]; - u8 reserved_64[0x100]; + u8 reserved_67[0xe0]; - u8 reserved_65[0x1f]; + u8 reserved_68[0x1f]; u8 cqe_zip[0x1]; u8 cqe_zip_timeout[0x10]; u8 cqe_zip_max_num[0x10]; - u8 reserved_66[0x220]; + u8 reserved_69[0x220]; }; -enum { - MLX5_DEST_FORMAT_STRUCT_DESTINATION_TYPE_FLOW_TABLE_ = 0x1, - MLX5_DEST_FORMAT_STRUCT_DESTINATION_TYPE_TIR = 0x2, +enum mlx5_flow_destination_type { + MLX5_FLOW_DESTINATION_TYPE_VPORT = 0x0, + MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE = 0x1, + MLX5_FLOW_DESTINATION_TYPE_TIR = 0x2, }; struct mlx5_ifc_dest_format_struct_bits { @@ -900,6 +936,13 @@ struct mlx5_ifc_mac_address_layout_bits { u8 mac_addr_31_0[0x20]; }; +struct mlx5_ifc_vlan_layout_bits { + u8 reserved_0[0x14]; + u8 vlan[0x0c]; + + u8 reserved_1[0x20]; +}; + struct mlx5_ifc_cong_control_r_roce_ecn_np_bits { u8 reserved_0[0xa0]; @@ -1829,6 +1872,8 @@ union mlx5_ifc_hca_cap_union_bits { struct mlx5_ifc_roce_cap_bits roce_cap; struct mlx5_ifc_per_protocol_networking_offload_caps_bits per_protocol_networking_offload_caps; struct mlx5_ifc_flow_table_nic_cap_bits flow_table_nic_cap; + struct mlx5_ifc_flow_table_eswitch_cap_bits flow_table_eswitch_cap; + struct mlx5_ifc_e_switch_cap_bits e_switch_cap; u8 reserved_0[0x8000]; }; @@ -2133,24 +2178,35 @@ struct mlx5_ifc_rmpc_bits { struct mlx5_ifc_wq_bits wq; }; -enum { - MLX5_NIC_VPORT_CONTEXT_ALLOWED_LIST_TYPE_CURRENT_UC_MAC_ADDRESS = 0x0, -}; - struct mlx5_ifc_nic_vport_context_bits { u8 reserved_0[0x1f]; u8 roce_en[0x1]; - u8 reserved_1[0x760]; + u8 arm_change_event[0x1]; + u8 reserved_1[0x1a]; + u8 event_on_mtu[0x1]; + u8 event_on_promisc_change[0x1]; + u8 event_on_vlan_change[0x1]; + u8 event_on_mc_address_change[0x1]; + u8 event_on_uc_address_change[0x1]; - u8 reserved_2[0x5]; + u8 reserved_2[0xf0]; + + u8 mtu[0x10]; + + u8 reserved_3[0x640]; + + u8 promisc_uc[0x1]; + u8 promisc_mc[0x1]; + u8 promisc_all[0x1]; + u8 reserved_4[0x2]; u8 allowed_list_type[0x3]; - u8 reserved_3[0xc]; + u8 reserved_5[0xc]; u8 allowed_list_size[0xc]; struct mlx5_ifc_mac_address_layout_bits permanent_address; - u8 reserved_4[0x20]; + u8 reserved_6[0x20]; u8 current_uc_mac_address[0][0x40]; }; @@ -2263,6 +2319,26 @@ struct mlx5_ifc_hca_vport_context_bits { u8 reserved_6[0xca0]; }; +struct mlx5_ifc_esw_vport_context_bits { + u8 reserved_0[0x3]; + u8 vport_svlan_strip[0x1]; + u8 vport_cvlan_strip[0x1]; + u8 vport_svlan_insert[0x1]; + u8 vport_cvlan_insert[0x2]; + u8 reserved_1[0x18]; + + u8 reserved_2[0x20]; + + u8 svlan_cfi[0x1]; + u8 svlan_pcp[0x3]; + u8 svlan_id[0xc]; + u8 cvlan_cfi[0x1]; + u8 cvlan_pcp[0x3]; + u8 cvlan_id[0xc]; + + u8 reserved_3[0x7a0]; +}; + enum { MLX5_EQC_STATUS_OK = 0x0, MLX5_EQC_STATUS_EQ_WRITE_FAILURE = 0xa, @@ -2769,6 +2845,13 @@ struct mlx5_ifc_set_hca_cap_in_bits { union mlx5_ifc_hca_cap_union_bits capability; }; +enum { + MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION = 0x0, + MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_TAG = 0x1, + MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST = 0x2, + MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS = 0x3 +}; + struct mlx5_ifc_set_fte_out_bits { u8 status[0x8]; u8 reserved_0[0x18]; @@ -2793,11 +2876,14 @@ struct mlx5_ifc_set_fte_in_bits { u8 reserved_4[0x8]; u8 table_id[0x18]; - u8 reserved_5[0x40]; + u8 reserved_5[0x18]; + u8 modify_enable_mask[0x8]; + + u8 reserved_6[0x20]; u8 flow_index[0x20]; - u8 reserved_6[0xe0]; + u8 reserved_7[0xe0]; struct mlx5_ifc_flow_context_bits flow_context; }; @@ -2940,6 +3026,7 @@ struct mlx5_ifc_query_vport_state_out_bits { enum { MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT = 0x0, + MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT = 0x1, }; struct mlx5_ifc_query_vport_state_in_bits { @@ -3700,6 +3787,64 @@ struct mlx5_ifc_query_flow_group_in_bits { u8 reserved_5[0x120]; }; +struct mlx5_ifc_query_esw_vport_context_out_bits { + u8 status[0x8]; + u8 reserved_0[0x18]; + + u8 syndrome[0x20]; + + u8 reserved_1[0x40]; + + struct mlx5_ifc_esw_vport_context_bits esw_vport_context; +}; + +struct mlx5_ifc_query_esw_vport_context_in_bits { + u8 opcode[0x10]; + u8 reserved_0[0x10]; + + u8 reserved_1[0x10]; + u8 op_mod[0x10]; + + u8 other_vport[0x1]; + u8 reserved_2[0xf]; + u8 vport_number[0x10]; + + u8 reserved_3[0x20]; +}; + +struct mlx5_ifc_modify_esw_vport_context_out_bits { + u8 status[0x8]; + u8 reserved_0[0x18]; + + u8 syndrome[0x20]; + + u8 reserved_1[0x40]; +}; + +struct mlx5_ifc_esw_vport_context_fields_select_bits { + u8 reserved[0x1c]; + u8 vport_cvlan_insert[0x1]; + u8 vport_svlan_insert[0x1]; + u8 vport_cvlan_strip[0x1]; + u8 vport_svlan_strip[0x1]; +}; + +struct mlx5_ifc_modify_esw_vport_context_in_bits { + u8 opcode[0x10]; + u8 reserved_0[0x10]; + + u8 reserved_1[0x10]; + u8 op_mod[0x10]; + + u8 other_vport[0x1]; + u8 reserved_2[0xf]; + u8 vport_number[0x10]; + + struct mlx5_ifc_esw_vport_context_fields_select_bits field_select; + + struct mlx5_ifc_esw_vport_context_bits esw_vport_context; +}; + struct mlx5_ifc_query_eq_out_bits { u8 status[0x8]; u8 reserved_0[0x18]; @@ -4228,7 +4373,10 @@ struct mlx5_ifc_modify_nic_vport_context_out_bits { }; struct mlx5_ifc_modify_nic_vport_field_select_bits { - u8 reserved_0[0x1c]; + u8 reserved_0[0x19]; + u8 mtu[0x1]; + u8 change_event[0x1]; + u8 promisc[0x1]; u8 permanent_address[0x1]; u8 addresses_list[0x1]; u8 roce_en[0x1]; diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h index 967e0fd06e89..638f2ca7a527 100644 --- a/include/linux/mlx5/vport.h +++ b/include/linux/mlx5/vport.h @@ -34,9 +34,17 @@ #define __MLX5_VPORT_H__ #include <linux/mlx5/driver.h> +#include <linux/mlx5/device.h> -u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod); -void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u8 *addr); +u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport); +u8 mlx5_query_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod, + u16 vport); +int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod, + u16 vport, u8 state); +int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, + u16 vport, u8 *addr); +int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev, + u16 vport, u8 *addr); int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport, u8 port_num, u16 vf_num, u16 gid_index, union ib_gid *gid); @@ -51,5 +59,30 @@ int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev, u64 *sys_image_guid); int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev, u64 *node_guid); +int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev, + u32 vport, + enum mlx5_list_type list_type, + u8 addr_list[][ETH_ALEN], + int *list_size); +int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev, + enum mlx5_list_type list_type, + u8 addr_list[][ETH_ALEN], + int list_size); +int mlx5_query_nic_vport_promisc(struct mlx5_core_dev *mdev, + u32 vport, + int *promisc_uc, + int *promisc_mc, + int *promisc_all); +int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev, + int promisc_uc, + int promisc_mc, + int promisc_all); +int mlx5_query_nic_vport_vlans(struct mlx5_core_dev *dev, + u32 vport, + u16 vlans[], + int *size); +int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev, + u16 vlans[], + int list_size); #endif /* __MLX5_VPORT_H__ */ diff --git a/include/linux/mroute.h b/include/linux/mroute.h index 79aaa9fc1a15..bf9b322cb0b0 100644 --- a/include/linux/mroute.h +++ b/include/linux/mroute.h @@ -9,38 +9,28 @@ #ifdef CONFIG_IP_MROUTE static inline int ip_mroute_opt(int opt) { - return (opt >= MRT_BASE) && (opt <= MRT_MAX); + return opt >= MRT_BASE && opt <= MRT_MAX; } -#else -static inline int ip_mroute_opt(int opt) -{ - return 0; -} -#endif -#ifdef CONFIG_IP_MROUTE -extern int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); -extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *); -extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg); -extern int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); -extern int ip_mr_init(void); +int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int); +int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *); +int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg); +int ipmr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg); +int ip_mr_init(void); #else -static inline -int ip_mroute_setsockopt(struct sock *sock, - int optname, char __user *optval, unsigned int optlen) +static inline int ip_mroute_setsockopt(struct sock *sock, int optname, + char __user *optval, unsigned int optlen) { return -ENOPROTOOPT; } -static inline -int ip_mroute_getsockopt(struct sock *sock, - int optname, char __user *optval, int __user *optlen) +static inline int ip_mroute_getsockopt(struct sock *sock, int optname, + char __user *optval, int __user *optlen) { return -ENOPROTOOPT; } -static inline -int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) +static inline int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg) { return -ENOIOCTLCMD; } @@ -49,6 +39,11 @@ static inline int ip_mr_init(void) { return 0; } + +static inline int ip_mroute_opt(int opt) +{ + return 0; +} #endif struct vif_device { @@ -64,6 +59,32 @@ struct vif_device { #define VIFF_STATIC 0x8000 +#define VIF_EXISTS(_mrt, _idx) ((_mrt)->vif_table[_idx].dev != NULL) +#define MFC_LINES 64 + +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 list_head mfc_cache_array[MFC_LINES]; + struct vif_device vif_table[MAXVIFS]; + 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) + */ +enum { + MFC_STATIC = BIT(0), +}; + struct mfc_cache { struct list_head list; __be32 mfc_mcastgrp; /* Group the entry belongs to */ @@ -89,19 +110,14 @@ struct mfc_cache { struct rcu_head rcu; }; -#define MFC_STATIC 1 -#define MFC_NOTIFY 2 - -#define MFC_LINES 64 - #ifdef __BIG_ENDIAN #define MFC_HASH(a,b) (((((__force u32)(__be32)a)>>24)^(((__force u32)(__be32)b)>>26))&(MFC_LINES-1)) #else #define MFC_HASH(a,b) ((((__force u32)(__be32)a)^(((__force u32)(__be32)b)>>2))&(MFC_LINES-1)) -#endif +#endif struct rtmsg; -extern int ipmr_get_route(struct net *net, struct sk_buff *skb, - __be32 saddr, __be32 daddr, - struct rtmsg *rtm, int nowait); +int ipmr_get_route(struct net *net, struct sk_buff *skb, + __be32 saddr, __be32 daddr, + struct rtmsg *rtm, int nowait); #endif diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index f0d87347df19..d9654f0eecb3 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -52,7 +52,7 @@ enum { NETIF_F_GSO_TUNNEL_REMCSUM_BIT, NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */ - NETIF_F_SCTP_CSUM_BIT, /* SCTP checksum offload */ + NETIF_F_SCTP_CRC_BIT, /* SCTP checksum offload */ NETIF_F_FCOE_MTU_BIT, /* Supports max FCoE MTU, 2158 bytes*/ NETIF_F_NTUPLE_BIT, /* N-tuple filters supported */ NETIF_F_RXHASH_BIT, /* Receive hashing offload */ @@ -103,7 +103,7 @@ enum { #define NETIF_F_NTUPLE __NETIF_F(NTUPLE) #define NETIF_F_RXCSUM __NETIF_F(RXCSUM) #define NETIF_F_RXHASH __NETIF_F(RXHASH) -#define NETIF_F_SCTP_CSUM __NETIF_F(SCTP_CSUM) +#define NETIF_F_SCTP_CRC __NETIF_F(SCTP_CRC) #define NETIF_F_SG __NETIF_F(SG) #define NETIF_F_TSO6 __NETIF_F(TSO6) #define NETIF_F_TSO_ECN __NETIF_F(TSO_ECN) @@ -146,10 +146,12 @@ enum { #define NETIF_F_GSO_SOFTWARE (NETIF_F_TSO | NETIF_F_TSO_ECN | \ NETIF_F_TSO6 | NETIF_F_UFO) -#define NETIF_F_GEN_CSUM NETIF_F_HW_CSUM -#define NETIF_F_V4_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IP_CSUM) -#define NETIF_F_V6_CSUM (NETIF_F_GEN_CSUM | NETIF_F_IPV6_CSUM) -#define NETIF_F_ALL_CSUM (NETIF_F_V4_CSUM | NETIF_F_V6_CSUM) +/* List of IP checksum features. Note that NETIF_F_ HW_CSUM should not be + * set in features when NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM are set-- + * this would be contradictory + */ +#define NETIF_F_CSUM_MASK (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | \ + NETIF_F_HW_CSUM) #define NETIF_F_ALL_TSO (NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_TSO_ECN) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 3143c847bddb..c20b814e46a0 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -132,7 +132,9 @@ static inline bool dev_xmit_complete(int rc) * used. */ -#if defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25) +#if defined(CONFIG_HYPERV_NET) +# define LL_MAX_HEADER 128 +#elif defined(CONFIG_WLAN) || IS_ENABLED(CONFIG_AX25) # if defined(CONFIG_MAC80211_MESH) # define LL_MAX_HEADER 128 # else @@ -326,7 +328,8 @@ enum { NAPI_STATE_SCHED, /* Poll is scheduled */ NAPI_STATE_DISABLE, /* Disable pending */ NAPI_STATE_NPSVC, /* Netpoll - don't dequeue from poll_list */ - NAPI_STATE_HASHED, /* In NAPI hash */ + NAPI_STATE_HASHED, /* In NAPI hash (busy polling possible) */ + NAPI_STATE_NO_BUSY_POLL,/* Do not add in napi_hash, no busy polling */ }; enum gro_result { @@ -461,19 +464,13 @@ static inline void napi_complete(struct napi_struct *n) } /** - * napi_by_id - lookup a NAPI by napi_id - * @napi_id: hashed napi_id - * - * lookup @napi_id in napi_hash table - * must be called under rcu_read_lock() - */ -struct napi_struct *napi_by_id(unsigned int napi_id); - -/** * napi_hash_add - add a NAPI to global hashtable * @napi: napi context * * generate a new napi_id and store a @napi under it in napi_hash + * Used for busy polling (CONFIG_NET_RX_BUSY_POLL) + * Note: This is normally automatically done from netif_napi_add(), + * so might disappear in a future linux version. */ void napi_hash_add(struct napi_struct *napi); @@ -482,9 +479,14 @@ void napi_hash_add(struct napi_struct *napi); * @napi: napi context * * Warning: caller must observe rcu grace period - * before freeing memory containing @napi + * before freeing memory containing @napi, if + * this function returns true. + * Note: core networking stack automatically calls it + * from netif_napi_del() + * Drivers might want to call this helper to combine all + * the needed rcu grace periods into a single one. */ -void napi_hash_del(struct napi_struct *napi); +bool napi_hash_del(struct napi_struct *napi); /** * napi_disable - prevent NAPI from scheduling @@ -1011,6 +1013,19 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev, * a new port starts listening. The operation is protected by the * vxlan_net->sock_lock. * + * void (*ndo_add_geneve_port)(struct net_device *dev, + * sa_family_t sa_family, __be16 port); + * Called by geneve to notify a driver about the UDP port and socket + * address family that geneve is listnening to. It is called only when + * a new port starts listening. The operation is protected by the + * geneve_net->sock_lock. + * + * void (*ndo_del_geneve_port)(struct net_device *dev, + * sa_family_t sa_family, __be16 port); + * Called by geneve to notify the driver about a UDP port and socket + * address family that geneve is not listening to anymore. The operation + * is protected by the geneve_net->sock_lock. + * * void (*ndo_del_vxlan_port)(struct net_device *dev, * sa_family_t sa_family, __be16 port); * Called by vxlan to notify the driver about a UDP port and socket @@ -1215,7 +1230,12 @@ struct net_device_ops { void (*ndo_del_vxlan_port)(struct net_device *dev, sa_family_t sa_family, __be16 port); - + void (*ndo_add_geneve_port)(struct net_device *dev, + sa_family_t sa_family, + __be16 port); + void (*ndo_del_geneve_port)(struct net_device *dev, + sa_family_t sa_family, + __be16 port); void* (*ndo_dfwd_add_station)(struct net_device *pdev, struct net_device *dev); void (*ndo_dfwd_del_station)(struct net_device *pdev, @@ -1271,6 +1291,7 @@ struct net_device_ops { * @IFF_NO_QUEUE: device can run without qdisc attached * @IFF_OPENVSWITCH: device is a Open vSwitch master * @IFF_L3MDEV_SLAVE: device is enslaved to an L3 master device + * @IFF_TEAM: device is a team device */ enum netdev_priv_flags { IFF_802_1Q_VLAN = 1<<0, @@ -1297,6 +1318,7 @@ enum netdev_priv_flags { IFF_NO_QUEUE = 1<<21, IFF_OPENVSWITCH = 1<<22, IFF_L3MDEV_SLAVE = 1<<23, + IFF_TEAM = 1<<24, }; #define IFF_802_1Q_VLAN IFF_802_1Q_VLAN @@ -1323,6 +1345,7 @@ enum netdev_priv_flags { #define IFF_NO_QUEUE IFF_NO_QUEUE #define IFF_OPENVSWITCH IFF_OPENVSWITCH #define IFF_L3MDEV_SLAVE IFF_L3MDEV_SLAVE +#define IFF_TEAM IFF_TEAM /** * struct net_device - The DEVICE structure. @@ -1949,6 +1972,26 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, int (*poll)(struct napi_struct *, int), int weight); /** + * netif_tx_napi_add - initialize a napi context + * @dev: network device + * @napi: napi context + * @poll: polling function + * @weight: default weight + * + * This variant of netif_napi_add() should be used from drivers using NAPI + * to exclusively poll a TX queue. + * This will avoid we add it into napi_hash[], thus polluting this hash table. + */ +static inline void netif_tx_napi_add(struct net_device *dev, + struct napi_struct *napi, + int (*poll)(struct napi_struct *, int), + int weight) +{ + set_bit(NAPI_STATE_NO_BUSY_POLL, &napi->state); + netif_napi_add(dev, napi, poll, weight); +} + +/** * netif_napi_del - remove a napi context * @napi: napi context * @@ -2086,6 +2129,24 @@ struct pcpu_sw_netstats { #define netdev_alloc_pcpu_stats(type) \ __netdev_alloc_pcpu_stats(type, GFP_KERNEL) +enum netdev_lag_tx_type { + NETDEV_LAG_TX_TYPE_UNKNOWN, + NETDEV_LAG_TX_TYPE_RANDOM, + NETDEV_LAG_TX_TYPE_BROADCAST, + NETDEV_LAG_TX_TYPE_ROUNDROBIN, + NETDEV_LAG_TX_TYPE_ACTIVEBACKUP, + NETDEV_LAG_TX_TYPE_HASH, +}; + +struct netdev_lag_upper_info { + enum netdev_lag_tx_type tx_type; +}; + +struct netdev_lag_lower_state_info { + u8 link_up : 1, + tx_enabled : 1; +}; + #include <linux/notifier.h> /* netdevice notifier chain. Please remember to update the rtnetlink @@ -2121,6 +2182,7 @@ struct pcpu_sw_netstats { #define NETDEV_CHANGEINFODATA 0x0018 #define NETDEV_BONDING_INFO 0x0019 #define NETDEV_PRECHANGEUPPER 0x001A +#define NETDEV_CHANGELOWERSTATE 0x001B int register_netdevice_notifier(struct notifier_block *nb); int unregister_netdevice_notifier(struct notifier_block *nb); @@ -2139,6 +2201,12 @@ struct netdev_notifier_changeupper_info { struct net_device *upper_dev; /* new upper dev */ bool master; /* is upper dev master */ bool linking; /* is the nofication for link or unlink */ + void *upper_info; /* upper dev info */ +}; + +struct netdev_notifier_changelowerstate_info { + struct netdev_notifier_info info; /* must be first */ + void *lower_state_info; /* is lower dev state */ }; static inline void netdev_notifier_info_init(struct netdev_notifier_info *info, @@ -2472,6 +2540,71 @@ static inline void skb_gro_remcsum_cleanup(struct sk_buff *skb, remcsum_unadjust((__sum16 *)ptr, grc->delta); } +struct skb_csum_offl_spec { + __u16 ipv4_okay:1, + ipv6_okay:1, + encap_okay:1, + ip_options_okay:1, + ext_hdrs_okay:1, + tcp_okay:1, + udp_okay:1, + sctp_okay:1, + vlan_okay:1, + no_encapped_ipv6:1, + no_not_encapped:1; +}; + +bool __skb_csum_offload_chk(struct sk_buff *skb, + const struct skb_csum_offl_spec *spec, + bool *csum_encapped, + bool csum_help); + +static inline bool skb_csum_offload_chk(struct sk_buff *skb, + const struct skb_csum_offl_spec *spec, + bool *csum_encapped, + bool csum_help) +{ + if (skb->ip_summed != CHECKSUM_PARTIAL) + return false; + + return __skb_csum_offload_chk(skb, spec, csum_encapped, csum_help); +} + +static inline bool skb_csum_offload_chk_help(struct sk_buff *skb, + const struct skb_csum_offl_spec *spec) +{ + bool csum_encapped; + + return skb_csum_offload_chk(skb, spec, &csum_encapped, true); +} + +static inline bool skb_csum_off_chk_help_cmn(struct sk_buff *skb) +{ + static const struct skb_csum_offl_spec csum_offl_spec = { + .ipv4_okay = 1, + .ip_options_okay = 1, + .ipv6_okay = 1, + .vlan_okay = 1, + .tcp_okay = 1, + .udp_okay = 1, + }; + + return skb_csum_offload_chk_help(skb, &csum_offl_spec); +} + +static inline bool skb_csum_off_chk_help_cmn_v4_only(struct sk_buff *skb) +{ + static const struct skb_csum_offl_spec csum_offl_spec = { + .ipv4_okay = 1, + .ip_options_okay = 1, + .tcp_okay = 1, + .udp_okay = 1, + .vlan_okay = 1, + }; + + return skb_csum_offload_chk_help(skb, &csum_offl_spec); +} + static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *daddr, const void *saddr, @@ -3595,15 +3728,15 @@ struct net_device *netdev_master_upper_dev_get(struct net_device *dev); struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev); int netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev); int netdev_master_upper_dev_link(struct net_device *dev, - struct net_device *upper_dev); -int netdev_master_upper_dev_link_private(struct net_device *dev, - struct net_device *upper_dev, - void *private); + struct net_device *upper_dev, + void *upper_priv, void *upper_info); void netdev_upper_dev_unlink(struct net_device *dev, struct net_device *upper_dev); void netdev_adjacent_rename_links(struct net_device *dev, char *oldname); void *netdev_lower_dev_get_private(struct net_device *dev, struct net_device *lower_dev); +void netdev_lower_state_changed(struct net_device *lower_dev, + void *lower_state_info); /* RSS keys are 40 or 52 bytes long */ #define NETDEV_RSS_KEY_LEN 52 @@ -3611,7 +3744,7 @@ extern u8 netdev_rss_key[NETDEV_RSS_KEY_LEN]; void netdev_rss_key_fill(void *buffer, size_t len); int dev_get_nest_level(struct net_device *dev, - bool (*type_check)(struct net_device *dev)); + bool (*type_check)(const struct net_device *dev)); int skb_checksum_help(struct sk_buff *skb); struct sk_buff *__skb_gso_segment(struct sk_buff *skb, netdev_features_t features, bool tx_path); @@ -3641,13 +3774,37 @@ __be16 skb_network_protocol(struct sk_buff *skb, int *depth); static inline bool can_checksum_protocol(netdev_features_t features, __be16 protocol) { - return ((features & NETIF_F_GEN_CSUM) || - ((features & NETIF_F_V4_CSUM) && - protocol == htons(ETH_P_IP)) || - ((features & NETIF_F_V6_CSUM) && - protocol == htons(ETH_P_IPV6)) || - ((features & NETIF_F_FCOE_CRC) && - protocol == htons(ETH_P_FCOE))); + if (protocol == htons(ETH_P_FCOE)) + return !!(features & NETIF_F_FCOE_CRC); + + /* Assume this is an IP checksum (not SCTP CRC) */ + + if (features & NETIF_F_HW_CSUM) { + /* Can checksum everything */ + return true; + } + + switch (protocol) { + case htons(ETH_P_IP): + return !!(features & NETIF_F_IP_CSUM); + case htons(ETH_P_IPV6): + return !!(features & NETIF_F_IPV6_CSUM); + default: + return false; + } +} + +/* Map an ethertype into IP protocol if possible */ +static inline int eproto_to_ipproto(int eproto) +{ + switch (eproto) { + case htons(ETH_P_IP): + return IPPROTO_IP; + case htons(ETH_P_IPV6): + return IPPROTO_IPV6; + default: + return -1; + } } #ifdef CONFIG_BUG @@ -3712,15 +3869,14 @@ void linkwatch_run_queue(void); static inline netdev_features_t netdev_intersect_features(netdev_features_t f1, netdev_features_t f2) { - if (f1 & NETIF_F_GEN_CSUM) - f1 |= (NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM); - if (f2 & NETIF_F_GEN_CSUM) - f2 |= (NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM); - f1 &= f2; - if (f1 & NETIF_F_GEN_CSUM) - f1 &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM); + if ((f1 ^ f2) & NETIF_F_HW_CSUM) { + if (f1 & NETIF_F_HW_CSUM) + f1 |= (NETIF_F_IP_CSUM|NETIF_F_IP_CSUM); + else + f2 |= (NETIF_F_IP_CSUM|NETIF_F_IP_CSUM); + } - return f1; + return f1 & f2; } static inline netdev_features_t netdev_get_wanted_features( @@ -3808,32 +3964,32 @@ static inline void skb_gso_error_unwind(struct sk_buff *skb, __be16 protocol, skb->mac_len = mac_len; } -static inline bool netif_is_macvlan(struct net_device *dev) +static inline bool netif_is_macvlan(const struct net_device *dev) { return dev->priv_flags & IFF_MACVLAN; } -static inline bool netif_is_macvlan_port(struct net_device *dev) +static inline bool netif_is_macvlan_port(const struct net_device *dev) { return dev->priv_flags & IFF_MACVLAN_PORT; } -static inline bool netif_is_ipvlan(struct net_device *dev) +static inline bool netif_is_ipvlan(const struct net_device *dev) { return dev->priv_flags & IFF_IPVLAN_SLAVE; } -static inline bool netif_is_ipvlan_port(struct net_device *dev) +static inline bool netif_is_ipvlan_port(const struct net_device *dev) { return dev->priv_flags & IFF_IPVLAN_MASTER; } -static inline bool netif_is_bond_master(struct net_device *dev) +static inline bool netif_is_bond_master(const struct net_device *dev) { return dev->flags & IFF_MASTER && dev->priv_flags & IFF_BONDING; } -static inline bool netif_is_bond_slave(struct net_device *dev) +static inline bool netif_is_bond_slave(const struct net_device *dev) { return dev->flags & IFF_SLAVE && dev->priv_flags & IFF_BONDING; } @@ -3868,6 +4024,26 @@ static inline bool netif_is_ovs_master(const struct net_device *dev) return dev->priv_flags & IFF_OPENVSWITCH; } +static inline bool netif_is_team_master(const struct net_device *dev) +{ + return dev->priv_flags & IFF_TEAM; +} + +static inline bool netif_is_team_port(const struct net_device *dev) +{ + return dev->priv_flags & IFF_TEAM_PORT; +} + +static inline bool netif_is_lag_master(const struct net_device *dev) +{ + return netif_is_bond_master(dev) || netif_is_team_master(dev); +} + +static inline bool netif_is_lag_port(const struct net_device *dev) +{ + return netif_is_bond_slave(dev) || netif_is_team_port(dev); +} + /* This device needs to keep skb dst for qdisc enqueue or ndo_start_xmit() */ static inline void netif_keep_dst(struct net_device *dev) { diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 639e9b8b0e4d..0b41959aab9f 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -131,6 +131,7 @@ netlink_skb_clone(struct sk_buff *skb, gfp_t gfp_mask) struct netlink_callback { struct sk_buff *skb; const struct nlmsghdr *nlh; + int (*start)(struct netlink_callback *); int (*dump)(struct sk_buff * skb, struct netlink_callback *cb); int (*done)(struct netlink_callback *cb); @@ -153,6 +154,7 @@ struct nlmsghdr * __nlmsg_put(struct sk_buff *skb, u32 portid, u32 seq, int type, int len, int flags); struct netlink_dump_control { + int (*start)(struct netlink_callback *); int (*dump)(struct sk_buff *skb, struct netlink_callback *); int (*done)(struct netlink_callback *); void *data; diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index d9ba49cedc5d..1acbefc4bbda 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2495,6 +2495,8 @@ #define PCI_DEVICE_ID_KORENIX_JETCARDF2 0x1700 #define PCI_DEVICE_ID_KORENIX_JETCARDF3 0x17ff +#define PCI_VENDOR_ID_NETRONOME 0x19ee + #define PCI_VENDOR_ID_QMI 0x1a32 #define PCI_VENDOR_ID_AZWAVE 0x1a3b diff --git a/include/linux/pim.h b/include/linux/pim.h index 252bf6644c51..e1d756f81348 100644 --- a/include/linux/pim.h +++ b/include/linux/pim.h @@ -13,6 +13,11 @@ #define PIM_NULL_REGISTER cpu_to_be32(0x40000000) +static inline bool ipmr_pimsm_enabled(void) +{ + return IS_BUILTIN(CONFIG_IP_PIMSM_V1) || IS_BUILTIN(CONFIG_IP_PIMSM_V2); +} + /* PIMv2 register message header layout (ietf-draft-idmr-pimvsm-v2-00.ps */ struct pimreghdr { diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index dc9a1353f971..d4a32e878180 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -25,6 +25,12 @@ #include <linux/qed/common_hsi.h> #include <linux/qed/qed_chain.h> +enum qed_led_mode { + QED_LED_MODE_OFF, + QED_LED_MODE_ON, + QED_LED_MODE_RESTORE +}; + #define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \ (void __iomem *)(reg_addr)) @@ -252,6 +258,17 @@ struct qed_common_ops { void (*chain_free)(struct qed_dev *cdev, struct qed_chain *p_chain); + +/** + * @brief set_led - Configure LED mode + * + * @param cdev + * @param mode - LED mode + * + * @return 0 on success, error otherwise. + */ + int (*set_led)(struct qed_dev *cdev, + enum qed_led_mode mode); }; /** diff --git a/include/linux/rhashtable.h b/include/linux/rhashtable.h index e50b31d18462..63bd7601b6de 100644 --- a/include/linux/rhashtable.h +++ b/include/linux/rhashtable.h @@ -823,4 +823,86 @@ out: return err; } +/* Internal function, please use rhashtable_replace_fast() instead */ +static inline int __rhashtable_replace_fast( + struct rhashtable *ht, struct bucket_table *tbl, + struct rhash_head *obj_old, struct rhash_head *obj_new, + const struct rhashtable_params params) +{ + struct rhash_head __rcu **pprev; + struct rhash_head *he; + spinlock_t *lock; + unsigned int hash; + int err = -ENOENT; + + /* Minimally, the old and new objects must have same hash + * (which should mean identifiers are the same). + */ + hash = rht_head_hashfn(ht, tbl, obj_old, params); + if (hash != rht_head_hashfn(ht, tbl, obj_new, params)) + return -EINVAL; + + lock = rht_bucket_lock(tbl, hash); + + spin_lock_bh(lock); + + pprev = &tbl->buckets[hash]; + rht_for_each(he, tbl, hash) { + if (he != obj_old) { + pprev = &he->next; + continue; + } + + rcu_assign_pointer(obj_new->next, obj_old->next); + rcu_assign_pointer(*pprev, obj_new); + err = 0; + break; + } + + spin_unlock_bh(lock); + + return err; +} + +/** + * rhashtable_replace_fast - replace an object in hash table + * @ht: hash table + * @obj_old: pointer to hash head inside object being replaced + * @obj_new: pointer to hash head inside object which is new + * @params: hash table parameters + * + * Replacing an object doesn't affect the number of elements in the hash table + * or bucket, so we don't need to worry about shrinking or expanding the + * table here. + * + * Returns zero on success, -ENOENT if the entry could not be found, + * -EINVAL if hash is not the same for the old and new objects. + */ +static inline int rhashtable_replace_fast( + struct rhashtable *ht, struct rhash_head *obj_old, + struct rhash_head *obj_new, + const struct rhashtable_params params) +{ + struct bucket_table *tbl; + int err; + + rcu_read_lock(); + + tbl = rht_dereference_rcu(ht->tbl, ht); + + /* Because we have already taken (and released) the bucket + * lock in old_tbl, if we find that future_tbl is not yet + * visible then that guarantees the entry to still be in + * the old tbl if it exists. + */ + while ((err = __rhashtable_replace_fast(ht, tbl, obj_old, + obj_new, params)) && + (tbl = rht_dereference_rcu(tbl->future_tbl, ht))) + ; + + rcu_read_unlock(); + + return err; +} + #endif /* _LINUX_RHASHTABLE_H */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4355129fff91..6b6bd42d6134 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -39,11 +39,55 @@ #include <linux/in6.h> #include <net/flow.h> -/* A. Checksumming of received packets by device. +/* The interface for checksum offload between the stack and networking drivers + * is as follows... + * + * A. IP checksum related features + * + * Drivers advertise checksum offload capabilities in the features of a device. + * From the stack's point of view these are capabilities offered by the driver, + * a driver typically only advertises features that it is capable of offloading + * to its device. + * + * The checksum related features are: + * + * NETIF_F_HW_CSUM - The driver (or its device) is able to compute one + * IP (one's complement) checksum for any combination + * of protocols or protocol layering. The checksum is + * computed and set in a packet per the CHECKSUM_PARTIAL + * interface (see below). + * + * NETIF_F_IP_CSUM - Driver (device) is only able to checksum plain + * TCP or UDP packets over IPv4. These are specifically + * unencapsulated packets of the form IPv4|TCP or + * IPv4|UDP where the Protocol field in the IPv4 header + * is TCP or UDP. The IPv4 header may contain IP options + * This feature cannot be set in features for a device + * with NETIF_F_HW_CSUM also set. This feature is being + * DEPRECATED (see below). + * + * NETIF_F_IPV6_CSUM - Driver (device) is only able to checksum plain + * TCP or UDP packets over IPv6. These are specifically + * unencapsulated packets of the form IPv6|TCP or + * IPv4|UDP where the Next Header field in the IPv6 + * header is either TCP or UDP. IPv6 extension headers + * are not supported with this feature. This feature + * cannot be set in features for a device with + * NETIF_F_HW_CSUM also set. This feature is being + * DEPRECATED (see below). + * + * NETIF_F_RXCSUM - Driver (device) performs receive checksum offload. + * This flag is used only used to disable the RX checksum + * feature for a device. The stack will accept receive + * checksum indication in packets received on a device + * regardless of whether NETIF_F_RXCSUM is set. + * + * B. Checksumming of received packets by device. Indication of checksum + * verification is in set skb->ip_summed. Possible values are: * * CHECKSUM_NONE: * - * Device failed to checksum this packet e.g. due to lack of capabilities. + * Device did not checksum this packet e.g. due to lack of capabilities. * The packet contains full (though not verified) checksum in packet but * not in skb->csum. Thus, skb->csum is undefined in this case. * @@ -53,9 +97,8 @@ * (as in CHECKSUM_COMPLETE), but it does parse headers and verify checksums * for specific protocols. For such packets it will set CHECKSUM_UNNECESSARY * if their checksums are okay. skb->csum is still undefined in this case - * though. It is a bad option, but, unfortunately, nowadays most vendors do - * this. Apparently with the secret goal to sell you new devices, when you - * will add new protocol to your host, f.e. IPv6 8) + * though. A driver or device must never modify the checksum field in the + * packet even if checksum is verified. * * CHECKSUM_UNNECESSARY is applicable to following protocols: * TCP: IPv6 and IPv4. @@ -96,40 +139,77 @@ * packet that are after the checksum being offloaded are not considered to * be verified. * - * B. Checksumming on output. - * - * CHECKSUM_NONE: - * - * The skb was already checksummed by the protocol, or a checksum is not - * required. + * C. Checksumming on transmit for non-GSO. The stack requests checksum offload + * in the skb->ip_summed for a packet. Values are: * * CHECKSUM_PARTIAL: * - * The device is required to checksum the packet as seen by hard_start_xmit() + * The driver is required to checksum the packet as seen by hard_start_xmit() * from skb->csum_start up to the end, and to record/write the checksum at - * offset skb->csum_start + skb->csum_offset. + * offset skb->csum_start + skb->csum_offset. A driver may verify that the + * csum_start and csum_offset values are valid values given the length and + * offset of the packet, however they should not attempt to validate that the + * checksum refers to a legitimate transport layer checksum-- it is the + * purview of the stack to validate that csum_start and csum_offset are set + * correctly. + * + * When the stack requests checksum offload for a packet, the driver MUST + * ensure that the checksum is set correctly. A driver can either offload the + * checksum calculation to the device, or call skb_checksum_help (in the case + * that the device does not support offload for a particular checksum). + * + * NETIF_F_IP_CSUM and NETIF_F_IPV6_CSUM are being deprecated in favor of + * NETIF_F_HW_CSUM. New devices should use NETIF_F_HW_CSUM to indicate + * checksum offload capability. If a device has limited checksum capabilities + * (for instance can only perform NETIF_F_IP_CSUM or NETIF_F_IPV6_CSUM as + * described above) a helper function can be called to resolve + * CHECKSUM_PARTIAL. The helper functions are skb_csum_off_chk*. The helper + * function takes a spec argument that describes the protocol layer that is + * supported for checksum offload and can be called for each packet. If a + * packet does not match the specification for offload, skb_checksum_help + * is called to resolve the checksum. * - * The device must show its capabilities in dev->features, set up at device - * setup time, e.g. netdev_features.h: + * CHECKSUM_NONE: * - * NETIF_F_HW_CSUM - It's a clever device, it's able to checksum everything. - * NETIF_F_IP_CSUM - Device is dumb, it's able to checksum only TCP/UDP over - * IPv4. Sigh. Vendors like this way for an unknown reason. - * Though, see comment above about CHECKSUM_UNNECESSARY. 8) - * NETIF_F_IPV6_CSUM - About as dumb as the last one but does IPv6 instead. - * NETIF_F_... - Well, you get the picture. + * The skb was already checksummed by the protocol, or a checksum is not + * required. * * CHECKSUM_UNNECESSARY: * - * Normally, the device will do per protocol specific checksumming. Protocol - * implementations that do not want the NIC to perform the checksum - * calculation should use this flag in their outgoing skbs. + * This has the same meaning on as CHECKSUM_NONE for checksum offload on + * output. * - * NETIF_F_FCOE_CRC - This indicates that the device can do FCoE FC CRC - * offload. Correspondingly, the FCoE protocol driver - * stack should use CHECKSUM_UNNECESSARY. - * - * Any questions? No questions, good. --ANK + * CHECKSUM_COMPLETE: + * Not used in checksum output. If a driver observes a packet with this value + * set in skbuff, if should treat as CHECKSUM_NONE being set. + * + * D. Non-IP checksum (CRC) offloads + * + * NETIF_F_SCTP_CRC - This feature indicates that a device is capable of + * offloading the SCTP CRC in a packet. To perform this offload the stack + * will set ip_summed to CHECKSUM_PARTIAL and set csum_start and csum_offset + * accordingly. Note the there is no indication in the skbuff that the + * CHECKSUM_PARTIAL refers to an SCTP checksum, a driver that supports + * both IP checksum offload and SCTP CRC offload must verify which offload + * is configured for a packet presumably by inspecting packet headers. + * + * NETIF_F_FCOE_CRC - This feature indicates that a device is capable of + * offloading the FCOE CRC in a packet. To perform this offload the stack + * will set ip_summed to CHECKSUM_PARTIAL and set csum_start and csum_offset + * accordingly. Note the there is no indication in the skbuff that the + * CHECKSUM_PARTIAL refers to an FCOE checksum, a driver that supports + * both IP checksum offload and FCOE CRC offload must verify which offload + * is configured for a packet presumably by inspecting packet headers. + * + * E. Checksumming on output with GSO. + * + * In the case of a GSO packet (skb_is_gso(skb) is true), checksum offload + * is implied by the SKB_GSO_* flags in gso_type. Most obviously, if the + * gso_type is SKB_GSO_TCPV4 or SKB_GSO_TCPV6, TCP checksum offload as + * part of the GSO operation is implied. If a checksum is being offloaded + * with GSO then ip_summed is CHECKSUM_PARTIAL, csum_start and csum_offset + * are set to refer to the outermost checksum being offload (two offloaded + * checksums are possible with UDP encapsulation). */ /* Don't change this without changing skb_csum_unnecessary! */ @@ -833,7 +913,7 @@ struct sk_buff_fclones { * skb_fclone_busy - check if fclone is busy * @skb: buffer * - * Returns true is skb is a fast clone, and its clone is not freed. + * Returns true if skb is a fast clone, and its clone is not freed. * Some drivers call skb_orphan() in their ndo_start_xmit(), * so we also check that this didnt happen. */ @@ -1082,9 +1162,6 @@ static inline void skb_copy_hash(struct sk_buff *to, const struct sk_buff *from) static inline void skb_sender_cpu_clear(struct sk_buff *skb) { -#ifdef CONFIG_XPS - skb->sender_cpu = 0; -#endif } #ifdef NET_SKBUFF_DATA_USES_OFFSET @@ -1942,6 +2019,11 @@ static inline unsigned char *skb_inner_transport_header(const struct sk_buff return skb->head + skb->inner_transport_header; } +static inline int skb_inner_transport_offset(const struct sk_buff *skb) +{ + return skb_inner_transport_header(skb) - skb->data; +} + static inline void skb_reset_inner_transport_header(struct sk_buff *skb) { skb->inner_transport_header = skb->data - skb->head; @@ -2788,6 +2870,12 @@ static inline void skb_frag_list_init(struct sk_buff *skb) #define skb_walk_frags(skb, iter) \ for (iter = skb_shinfo(skb)->frag_list; iter; iter = iter->next) + +int __skb_wait_for_more_packets(struct sock *sk, int *err, long *timeo_p, + const struct sk_buff *skb); +struct sk_buff *__skb_try_recv_datagram(struct sock *sk, unsigned flags, + int *peeked, int *off, int *err, + struct sk_buff **last); struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned flags, int *peeked, int *off, int *err); struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, diff --git a/include/linux/soc/ti/knav_dma.h b/include/linux/soc/ti/knav_dma.h index dad035c16d94..343c13ac4f71 100644 --- a/include/linux/soc/ti/knav_dma.h +++ b/include/linux/soc/ti/knav_dma.h @@ -144,17 +144,17 @@ struct knav_dma_cfg { * @psdata: Protocol specific */ struct knav_dma_desc { - u32 desc_info; - u32 tag_info; - u32 packet_info; - u32 buff_len; - u32 buff; - u32 next_desc; - u32 orig_len; - u32 orig_buff; - u32 epib[KNAV_DMA_NUM_EPIB_WORDS]; - u32 psdata[KNAV_DMA_NUM_PS_WORDS]; - u32 pad[4]; + __le32 desc_info; + __le32 tag_info; + __le32 packet_info; + __le32 buff_len; + __le32 buff; + __le32 next_desc; + __le32 orig_len; + __le32 orig_buff; + __le32 epib[KNAV_DMA_NUM_EPIB_WORDS]; + __le32 psdata[KNAV_DMA_NUM_PS_WORDS]; + __le32 pad[4]; } ____cacheline_aligned; #if IS_ENABLED(CONFIG_KEYSTONE_NAVIGATOR_DMA) diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h index fddebc617469..4018b48f2b3b 100644 --- a/include/linux/sock_diag.h +++ b/include/linux/sock_diag.h @@ -15,6 +15,7 @@ struct sock_diag_handler { __u8 family; int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh); int (*get_info)(struct sk_buff *skb, struct sock *sk); + int (*destroy)(struct sk_buff *skb, struct nlmsghdr *nlh); }; int sock_diag_register(const struct sock_diag_handler *h); @@ -68,4 +69,5 @@ bool sock_diag_has_destroy_listeners(const struct sock *sk) } void sock_diag_broadcast_destroy(struct sock *sk); +int sock_diag_destroy(struct sock *sk, int err); #endif diff --git a/include/linux/wait.h b/include/linux/wait.h index 513b36f04dfd..0496c31aaf06 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -107,6 +107,27 @@ static inline int waitqueue_active(wait_queue_head_t *q) return !list_empty(&q->task_list); } +/** + * wq_has_sleeper - check if there are any waiting processes + * @wq: wait queue head + * + * Returns true if wq has waiting processes + * + * Please refer to the comment for waitqueue_active. + */ +static inline bool wq_has_sleeper(wait_queue_head_t *wq) +{ + /* + * We need to be sure we are in sync with the + * add_wait_queue modifications to the wait queue. + * + * This memory barrier should be paired with one on the + * waiting side. + */ + smp_mb(); + return waitqueue_active(wq); +} + extern void add_wait_queue(wait_queue_head_t *q, wait_queue_t *wait); extern void add_wait_queue_exclusive(wait_queue_head_t *q, wait_queue_t *wait); extern void remove_wait_queue(wait_queue_head_t *q, wait_queue_t *wait); |