diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_addr.h | 6 | ||||
| -rw-r--r-- | include/rdma/ib_sa.h | 159 | ||||
| -rw-r--r-- | include/rdma/ib_user_mad.h | 2 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 3 | ||||
| -rw-r--r-- | include/rdma/rdma_cm.h | 21 | ||||
| -rw-r--r-- | include/rdma/rdma_cm_ib.h | 4 | ||||
| -rw-r--r-- | include/rdma/rdma_user_cm.h | 13 |
7 files changed, 110 insertions, 98 deletions
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index c094e501286..c36750ff6ae 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -110,6 +110,12 @@ static inline void ib_addr_set_pkey(struct rdma_dev_addr *dev_addr, u16 pkey) dev_addr->broadcast[9] = (unsigned char) pkey; } +static inline void ib_addr_get_mgid(struct rdma_dev_addr *dev_addr, + union ib_gid *gid) +{ + memcpy(gid, dev_addr->broadcast + 4, sizeof *gid); +} + static inline void ib_addr_get_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid) { diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index 97715b0c20b..5e26b2f53f8 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -285,18 +285,6 @@ int ib_sa_path_rec_get(struct ib_sa_client *client, void *context, struct ib_sa_query **query); -int ib_sa_mcmember_rec_query(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, - u8 method, - struct ib_sa_mcmember_rec *rec, - ib_sa_comp_mask comp_mask, - int timeout_ms, gfp_t gfp_mask, - void (*callback)(int status, - struct ib_sa_mcmember_rec *resp, - void *context), - void *context, - struct ib_sa_query **query); - int ib_sa_service_rec_query(struct ib_sa_client *client, struct ib_device *device, u8 port_num, u8 method, @@ -309,93 +297,82 @@ int ib_sa_service_rec_query(struct ib_sa_client *client, void *context, struct ib_sa_query **sa_query); +struct ib_sa_multicast { + struct ib_sa_mcmember_rec rec; + ib_sa_comp_mask comp_mask; + int (*callback)(int status, + struct ib_sa_multicast *multicast); + void *context; +}; + /** - * ib_sa_mcmember_rec_set - Start an MCMember set query - * @client:SA client - * @device:device to send query on - * @port_num: port number to send query on - * @rec:MCMember Record to send in query - * @comp_mask:component mask to send in query - * @timeout_ms:time to wait for response - * @gfp_mask:GFP mask to use for internal allocations - * @callback:function called when query completes, times out or is - * canceled - * @context:opaque user context passed to callback - * @sa_query:query context, used to cancel query + * ib_sa_join_multicast - Initiates a join request to the specified multicast + * group. + * @client: SA client + * @device: Device associated with the multicast group. + * @port_num: Port on the specified device to associate with the multicast + * group. + * @rec: SA multicast member record specifying group attributes. + * @comp_mask: Component mask indicating which group attributes of %rec are + * valid. + * @gfp_mask: GFP mask for memory allocations. + * @callback: User callback invoked once the join operation completes. + * @context: User specified context stored with the ib_sa_multicast structure. * - * Send an MCMember Set query to the SA (eg to join a multicast - * group). The callback function will be called when the query - * completes (or fails); status is 0 for a successful response, -EINTR - * if the query is canceled, -ETIMEDOUT is the query timed out, or - * -EIO if an error occurred sending the query. The resp parameter of - * the callback is only valid if status is 0. + * This call initiates a multicast join request with the SA for the specified + * multicast group. If the join operation is started successfully, it returns + * an ib_sa_multicast structure that is used to track the multicast operation. + * Users must free this structure by calling ib_free_multicast, even if the + * join operation later fails. (The callback status is non-zero.) * - * If the return value of ib_sa_mcmember_rec_set() is negative, it is - * an error code. Otherwise it is a query ID that can be used to - * cancel the query. + * If the join operation fails; status will be non-zero, with the following + * failures possible: + * -ETIMEDOUT: The request timed out. + * -EIO: An error occurred sending the query. + * -EINVAL: The MCMemberRecord values differed from the existing group's. + * -ENETRESET: Indicates that an fatal error has occurred on the multicast + * group, and the user must rejoin the group to continue using it. */ -static inline int -ib_sa_mcmember_rec_set(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, - struct ib_sa_mcmember_rec *rec, - ib_sa_comp_mask comp_mask, - int timeout_ms, gfp_t gfp_mask, - void (*callback)(int status, - struct ib_sa_mcmember_rec *resp, - void *context), - void *context, - struct ib_sa_query **query) -{ - return ib_sa_mcmember_rec_query(client, device, port_num, - IB_MGMT_METHOD_SET, - rec, comp_mask, - timeout_ms, gfp_mask, callback, - context, query); -} +struct ib_sa_multicast *ib_sa_join_multicast(struct ib_sa_client *client, + struct ib_device *device, u8 port_num, + struct ib_sa_mcmember_rec *rec, + ib_sa_comp_mask comp_mask, gfp_t gfp_mask, + int (*callback)(int status, + struct ib_sa_multicast + *multicast), + void *context); /** - * ib_sa_mcmember_rec_delete - Start an MCMember delete query - * @client:SA client - * @device:device to send query on - * @port_num: port number to send query on - * @rec:MCMember Record to send in query - * @comp_mask:component mask to send in query - * @timeout_ms:time to wait for response - * @gfp_mask:GFP mask to use for internal allocations - * @callback:function called when query completes, times out or is - * canceled - * @context:opaque user context passed to callback - * @sa_query:query context, used to cancel query - * - * Send an MCMember Delete query to the SA (eg to leave a multicast - * group). The callback function will be called when the query - * completes (or fails); status is 0 for a successful response, -EINTR - * if the query is canceled, -ETIMEDOUT is the query timed out, or - * -EIO if an error occurred sending the query. The resp parameter of - * the callback is only valid if status is 0. + * ib_free_multicast - Frees the multicast tracking structure, and releases + * any reference on the multicast group. + * @multicast: Multicast tracking structure allocated by ib_join_multicast. * - * If the return value of ib_sa_mcmember_rec_delete() is negative, it - * is an error code. Otherwise it is a query ID that can be used to - * cancel the query. + * This call blocks until the multicast identifier is destroyed. It may + * not be called from within the multicast callback; however, returning a non- + * zero value from the callback will result in destroying the multicast + * tracking structure. + */ +void ib_sa_free_multicast(struct ib_sa_multicast *multicast); + +/** + * ib_get_mcmember_rec - Looks up a multicast member record by its MGID and + * returns it if found. + * @device: Device associated with the multicast group. + * @port_num: Port on the specified device to associate with the multicast + * group. + * @mgid: MGID of multicast group. + * @rec: Location to copy SA multicast member record. */ -static inline int -ib_sa_mcmember_rec_delete(struct ib_sa_client *client, - struct ib_device *device, u8 port_num, - struct ib_sa_mcmember_rec *rec, - ib_sa_comp_mask comp_mask, - int timeout_ms, gfp_t gfp_mask, - void (*callback)(int status, - struct ib_sa_mcmember_rec *resp, - void *context), - void *context, - struct ib_sa_query **query) -{ - return ib_sa_mcmember_rec_query(client, device, port_num, - IB_SA_METHOD_DELETE, - rec, comp_mask, - timeout_ms, gfp_mask, callback, - context, query); -} +int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num, + union ib_gid *mgid, struct ib_sa_mcmember_rec *rec); + +/** + * ib_init_ah_from_mcmember - Initialize address handle attributes based on + * an SA multicast member record. + */ +int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num, + struct ib_sa_mcmember_rec *rec, + struct ib_ah_attr *ah_attr); /** * ib_init_ah_from_path - Initialize address handle attributes based on an SA diff --git a/include/rdma/ib_user_mad.h b/include/rdma/ib_user_mad.h index 44537aa32e6..d66b15ea82c 100644 --- a/include/rdma/ib_user_mad.h +++ b/include/rdma/ib_user_mad.h @@ -98,7 +98,7 @@ struct ib_user_mad_hdr { */ struct ib_user_mad { struct ib_user_mad_hdr hdr; - __u8 data[0]; + __u64 data[0]; }; /** diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 0bfa3328d68..765589f4d16 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -45,6 +45,7 @@ #include <linux/device.h> #include <linux/mm.h> #include <linux/dma-mapping.h> +#include <linux/kref.h> #include <asm/atomic.h> #include <asm/scatterlist.h> @@ -419,8 +420,8 @@ struct ib_wc { enum ib_wc_opcode opcode; u32 vendor_err; u32 byte_len; + struct ib_qp *qp; __be32 imm_data; - u32 qp_num; u32 src_qp; int wc_flags; u16 pkey_index; diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h index 36cd8a8526a..2d6a7705eae 100644 --- a/include/rdma/rdma_cm.h +++ b/include/rdma/rdma_cm.h @@ -52,10 +52,13 @@ enum rdma_cm_event_type { RDMA_CM_EVENT_ESTABLISHED, RDMA_CM_EVENT_DISCONNECTED, RDMA_CM_EVENT_DEVICE_REMOVAL, + RDMA_CM_EVENT_MULTICAST_JOIN, + RDMA_CM_EVENT_MULTICAST_ERROR }; enum rdma_port_space { RDMA_PS_SDP = 0x0001, + RDMA_PS_IPOIB= 0x0002, RDMA_PS_TCP = 0x0106, RDMA_PS_UDP = 0x0111, RDMA_PS_SCTP = 0x0183 @@ -294,5 +297,21 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data, */ int rdma_disconnect(struct rdma_cm_id *id); -#endif /* RDMA_CM_H */ +/** + * rdma_join_multicast - Join the multicast group specified by the given + * address. + * @id: Communication identifier associated with the request. + * @addr: Multicast address identifying the group to join. + * @context: User-defined context associated with the join request, returned + * to the user through the private_data pointer in multicast events. + */ +int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr, + void *context); +/** + * rdma_leave_multicast - Leave the multicast group specified by the given + * address. + */ +void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr); + +#endif /* RDMA_CM_H */ diff --git a/include/rdma/rdma_cm_ib.h b/include/rdma/rdma_cm_ib.h index 9b176df1d66..950424b38f1 100644 --- a/include/rdma/rdma_cm_ib.h +++ b/include/rdma/rdma_cm_ib.h @@ -44,7 +44,7 @@ int rdma_set_ib_paths(struct rdma_cm_id *id, struct ib_sa_path_rec *path_rec, int num_paths); -/* Global qkey for UD QPs and multicast groups. */ -#define RDMA_UD_QKEY 0x01234567 +/* Global qkey for UDP QPs and multicast groups. */ +#define RDMA_UDP_QKEY 0x01234567 #endif /* RDMA_CM_IB_H */ diff --git a/include/rdma/rdma_user_cm.h b/include/rdma/rdma_user_cm.h index 9572ab8eeac..f632b0c007c 100644 --- a/include/rdma/rdma_user_cm.h +++ b/include/rdma/rdma_user_cm.h @@ -38,7 +38,7 @@ #include <rdma/ib_user_verbs.h> #include <rdma/ib_user_sa.h> -#define RDMA_USER_CM_ABI_VERSION 3 +#define RDMA_USER_CM_ABI_VERSION 4 #define RDMA_MAX_PRIVATE_DATA 256 @@ -58,7 +58,9 @@ enum { RDMA_USER_CM_CMD_GET_EVENT, RDMA_USER_CM_CMD_GET_OPTION, RDMA_USER_CM_CMD_SET_OPTION, - RDMA_USER_CM_CMD_NOTIFY + RDMA_USER_CM_CMD_NOTIFY, + RDMA_USER_CM_CMD_JOIN_MCAST, + RDMA_USER_CM_CMD_LEAVE_MCAST }; /* @@ -188,6 +190,13 @@ struct rdma_ucm_notify { __u32 event; }; +struct rdma_ucm_join_mcast { + __u64 response; /* rdma_ucm_create_id_resp */ + __u64 uid; + struct sockaddr_in6 addr; + __u32 id; +}; + struct rdma_ucm_get_event { __u64 response; }; |