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path: root/drivers/infiniband/ulp/ipoib/ipoib.h
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Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib.h')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h93
1 files changed, 46 insertions, 47 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index ff50a7bd66d8..91f866e3fb8b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -91,11 +91,9 @@ enum {
IPOIB_STOP_REAPER = 7,
IPOIB_FLAG_ADMIN_CM = 9,
IPOIB_FLAG_UMCAST = 10,
- IPOIB_STOP_NEIGH_GC = 11,
IPOIB_NEIGH_TBL_FLUSH = 12,
IPOIB_FLAG_DEV_ADDR_SET = 13,
IPOIB_FLAG_DEV_ADDR_CTRL = 14,
- IPOIB_FLAG_GOING_DOWN = 15,
IPOIB_MAX_BACKOFF_SECONDS = 16,
@@ -111,7 +109,7 @@ enum {
IPOIB_MCAST_FLAG_BUSY = 2,
IPOIB_MCAST_FLAG_ATTACHED = 3,
- MAX_SEND_CQE = 16,
+ MAX_SEND_CQE = 64,
IPOIB_CM_COPYBREAK = 256,
IPOIB_NON_CHILD = 0,
@@ -193,11 +191,6 @@ struct ipoib_tx_buf {
u64 mapping[MAX_SKB_FRAGS + 1];
};
-struct ipoib_cm_tx_buf {
- struct sk_buff *skb;
- u64 mapping;
-};
-
struct ib_cm_id;
struct ipoib_cm_data {
@@ -255,13 +248,12 @@ struct ipoib_cm_tx {
struct list_head list;
struct net_device *dev;
struct ipoib_neigh *neigh;
- struct ipoib_path *path;
struct ipoib_tx_buf *tx_ring;
- unsigned tx_head;
- unsigned tx_tail;
+ unsigned int tx_head;
+ unsigned int tx_tail;
unsigned long flags;
u32 mtu;
- unsigned max_send_sge;
+ unsigned int max_send_sge;
};
struct ipoib_cm_rx_buf {
@@ -330,12 +322,14 @@ struct ipoib_dev_priv {
spinlock_t lock;
struct net_device *dev;
+ void (*next_priv_destructor)(struct net_device *dev);
- struct napi_struct napi;
+ struct napi_struct send_napi;
+ struct napi_struct recv_napi;
unsigned long flags;
- struct rw_semaphore vlan_rwsem;
+ struct mutex mcast_mutex;
struct rb_root path_tree;
struct list_head path_list;
@@ -349,10 +343,12 @@ struct ipoib_dev_priv {
struct workqueue_struct *wq;
struct delayed_work mcast_task;
struct work_struct carrier_on_task;
+ struct work_struct reschedule_napi_work;
struct work_struct flush_light;
struct work_struct flush_normal;
struct work_struct flush_heavy;
struct work_struct restart_task;
+ struct work_struct tx_timeout_work;
struct delayed_work ah_reap_task;
struct delayed_work neigh_reap_task;
struct ib_device *ca;
@@ -366,7 +362,7 @@ struct ipoib_dev_priv {
u32 qkey;
union ib_gid local_gid;
- u16 local_lid;
+ u32 local_lid;
unsigned int admin_mtu;
unsigned int mcast_mtu;
@@ -375,11 +371,14 @@ struct ipoib_dev_priv {
struct ipoib_rx_buf *rx_ring;
struct ipoib_tx_buf *tx_ring;
- unsigned tx_head;
- unsigned tx_tail;
+ /* cyclic ring variables for managing tx_ring, for UD only */
+ unsigned int tx_head;
+ unsigned int tx_tail;
+ /* cyclic ring variables for counting overall outstanding send WRs */
+ unsigned int global_tx_head;
+ unsigned int global_tx_tail;
struct ib_sge tx_sge[MAX_SKB_FRAGS + 1];
struct ib_ud_wr tx_wr;
- unsigned tx_outstanding;
struct ib_wc send_wc[MAX_SEND_CQE];
struct ib_recv_wr rx_wr;
@@ -392,6 +391,9 @@ struct ipoib_dev_priv {
struct ib_event_handler event_handler;
struct net_device *parent;
+ /* 'child_intfs' and 'list' membership of all child devices are
+ * protected by the netdev instance lock of 'dev'.
+ */
struct list_head child_intfs;
struct list_head list;
int child_type;
@@ -406,10 +408,9 @@ struct ipoib_dev_priv {
struct dentry *path_dentry;
#endif
u64 hca_caps;
+ u64 kernel_caps;
struct ipoib_ethtool_st ethtool;
- struct timer_list poll_timer;
- unsigned max_send_sge;
- bool sm_fullmember_sendonly_support;
+ unsigned int max_send_sge;
const struct net_device_ops *rn_ops;
};
@@ -418,7 +419,8 @@ struct ipoib_ah {
struct ib_ah *ah;
struct list_head list;
struct kref ref;
- unsigned last_send;
+ unsigned int last_send;
+ int valid;
};
struct ipoib_path {
@@ -435,7 +437,6 @@ struct ipoib_path {
struct rb_node rb_node;
struct list_head list;
- int valid;
};
struct ipoib_neigh {
@@ -451,7 +452,7 @@ struct ipoib_neigh {
struct list_head list;
struct ipoib_neigh __rcu *hnext;
struct rcu_head rcu;
- atomic_t refcnt;
+ refcount_t refcnt;
unsigned long alive;
};
@@ -461,7 +462,7 @@ struct ipoib_neigh {
void ipoib_neigh_dtor(struct ipoib_neigh *neigh);
static inline void ipoib_neigh_put(struct ipoib_neigh *neigh)
{
- if (atomic_dec_and_test(&neigh->refcnt))
+ if (refcount_dec_and_test(&neigh->refcnt))
ipoib_neigh_dtor(neigh);
}
struct ipoib_neigh *ipoib_neigh_get(struct net_device *dev, u8 *daddr);
@@ -474,9 +475,10 @@ extern struct workqueue_struct *ipoib_workqueue;
/* functions */
-int ipoib_poll(struct napi_struct *napi, int budget);
-void ipoib_ib_completion(struct ib_cq *cq, void *dev_ptr);
-void ipoib_send_comp_handler(struct ib_cq *cq, void *dev_ptr);
+int ipoib_rx_poll(struct napi_struct *napi, int budget);
+int ipoib_tx_poll(struct napi_struct *napi, int budget);
+void ipoib_ib_rx_completion(struct ib_cq *cq, void *ctx_ptr);
+void ipoib_ib_tx_completion(struct ib_cq *cq, void *ctx_ptr);
struct ipoib_ah *ipoib_create_ah(struct net_device *dev,
struct ib_pd *pd, struct rdma_ah_attr *attr);
@@ -486,6 +488,7 @@ static inline void ipoib_put_ah(struct ipoib_ah *ah)
kref_put(&ah->ref, ipoib_free_ah);
}
int ipoib_open(struct net_device *dev);
+void ipoib_intf_free(struct net_device *dev);
int ipoib_add_pkey_attr(struct net_device *dev);
int ipoib_add_umcast_attr(struct net_device *dev);
@@ -493,44 +496,46 @@ int ipoib_send(struct net_device *dev, struct sk_buff *skb,
struct ib_ah *address, u32 dqpn);
void ipoib_reap_ah(struct work_struct *work);
+void ipoib_napi_schedule_work(struct work_struct *work);
struct ipoib_path *__path_find(struct net_device *dev, void *gid);
void ipoib_mark_paths_invalid(struct net_device *dev);
void ipoib_flush_paths(struct net_device *dev);
-struct ipoib_dev_priv *ipoib_intf_alloc(struct ib_device *hca, u8 port,
- const char *format);
-void ipoib_ib_tx_timer_func(unsigned long ctx);
+struct net_device *ipoib_intf_alloc(struct ib_device *hca, u32 port,
+ const char *format);
+int ipoib_intf_init(struct ib_device *hca, u32 port, const char *format,
+ struct net_device *dev);
void ipoib_ib_dev_flush_light(struct work_struct *work);
void ipoib_ib_dev_flush_normal(struct work_struct *work);
void ipoib_ib_dev_flush_heavy(struct work_struct *work);
-void ipoib_pkey_event(struct work_struct *work);
+void ipoib_queue_work(struct ipoib_dev_priv *priv,
+ enum ipoib_flush_level level);
+void ipoib_ib_tx_timeout_work(struct work_struct *work);
void ipoib_ib_dev_cleanup(struct net_device *dev);
int ipoib_ib_dev_open_default(struct net_device *dev);
int ipoib_ib_dev_open(struct net_device *dev);
-int ipoib_ib_dev_stop(struct net_device *dev);
+void ipoib_ib_dev_stop(struct net_device *dev);
void ipoib_ib_dev_up(struct net_device *dev);
void ipoib_ib_dev_down(struct net_device *dev);
int ipoib_ib_dev_stop_default(struct net_device *dev);
void ipoib_pkey_dev_check_presence(struct net_device *dev);
-int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port);
-void ipoib_dev_cleanup(struct net_device *dev);
-
void ipoib_mcast_join_task(struct work_struct *work);
void ipoib_mcast_carrier_on_task(struct work_struct *work);
void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb);
void ipoib_mcast_restart_task(struct work_struct *work);
void ipoib_mcast_start_thread(struct net_device *dev);
-int ipoib_mcast_stop_thread(struct net_device *dev);
+void ipoib_mcast_stop_thread(struct net_device *dev);
-void ipoib_mcast_dev_down(struct net_device *dev);
void ipoib_mcast_dev_flush(struct net_device *dev);
int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req);
void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv,
struct ipoib_tx_buf *tx_req);
+struct rtnl_link_ops *ipoib_get_link_ops(void);
+
static inline void ipoib_build_sge(struct ipoib_dev_priv *priv,
struct ipoib_tx_buf *tx_req)
{
@@ -599,11 +604,9 @@ int ipoib_set_mode(struct net_device *dev, const char *buf);
void ipoib_setup_common(struct net_device *dev);
-void ipoib_pkey_open(struct ipoib_dev_priv *priv);
void ipoib_drain_cq(struct net_device *dev);
void ipoib_set_ethtool_ops(struct net_device *dev);
-void ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca);
#define IPOIB_FLAGS_RC 0x80
#define IPOIB_FLAGS_UC 0x40
@@ -672,8 +675,6 @@ void ipoib_cm_handle_rx_wc(struct net_device *dev, struct ib_wc *wc);
void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc);
#else
-struct ipoib_cm_tx;
-
#define ipoib_max_conn_qp 0
static inline int ipoib_cm_admin_enabled(struct net_device *dev)
@@ -732,7 +733,7 @@ void ipoib_cm_dev_stop(struct net_device *dev)
static inline
int ipoib_cm_dev_init(struct net_device *dev)
{
- return -ENOSYS;
+ return -EOPNOTSUPP;
}
static inline
@@ -778,12 +779,12 @@ static inline void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *w
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
void ipoib_create_debug_files(struct net_device *dev);
void ipoib_delete_debug_files(struct net_device *dev);
-int ipoib_register_debugfs(void);
+void ipoib_register_debugfs(void);
void ipoib_unregister_debugfs(void);
#else
static inline void ipoib_create_debug_files(struct net_device *dev) { }
static inline void ipoib_delete_debug_files(struct net_device *dev) { }
-static inline int ipoib_register_debugfs(void) { return 0; }
+static inline void ipoib_register_debugfs(void) { }
static inline void ipoib_unregister_debugfs(void) { }
#endif
@@ -836,6 +837,4 @@ extern int ipoib_debug_level;
#define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff)
-extern const char ipoib_driver_version[];
-
#endif /* _IPOIB_H */
generated by cgit (git 2.34.1) at 2025-12-27 19:05:30 +0000