/* Max payload size */
#define LNET_MAX_PAYLOAD LNET_MTU
-#define LNET_MAX_IOV (LNET_MAX_PAYLOAD >> PAGE_SHIFT)
+/** limit on the number of fragments in discontiguous MDs */
+#define LNET_MAX_IOV 256
/*
* This is the maximum health value.
struct bio_vec md_kiov[LNET_MAX_IOV];
};
-#define LNET_MD_FLAG_ZOMBIE (1 << 0)
-#define LNET_MD_FLAG_AUTO_UNLINK (1 << 1)
-#define LNET_MD_FLAG_ABORTED (1 << 2)
+#define LNET_MD_FLAG_ZOMBIE BIT(0)
+#define LNET_MD_FLAG_AUTO_UNLINK BIT(1)
+#define LNET_MD_FLAG_ABORTED BIT(2)
struct lnet_test_peer {
/* info about peers we are trying to fail */
int (*lnd_ctl)(struct lnet_ni *ni, unsigned int cmd, void *arg);
/* In data movement APIs below, payload buffers are described as a set
- * of 'niov' fragments which are...
- * EITHER
- * in virtual memory (struct kvec *iov != NULL)
- * OR
- * in pages (kernel only: plt_kiov_t *kiov != NULL).
+ * of 'niov' fragments which are in pages.
* The LND may NOT overwrite these fragment descriptors.
* An 'offset' and may specify a byte offset within the set of
* fragments to start from
* credit if the LND does flow control. */
int (*lnd_recv)(struct lnet_ni *ni, void *private, struct lnet_msg *msg,
int delayed, unsigned int niov,
- struct kvec *iov, struct bio_vec *kiov,
+ struct bio_vec *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen);
/* lnet_parse() has had to delay processing of this message
};
/* Preferred path added due to traffic on non-MR peer_ni */
-#define LNET_PEER_NI_NON_MR_PREF (1 << 0)
+#define LNET_PEER_NI_NON_MR_PREF BIT(0)
/* peer is being recovered. */
-#define LNET_PEER_NI_RECOVERY_PENDING (1 << 1)
+#define LNET_PEER_NI_RECOVERY_PENDING BIT(1)
/* recovery ping failed */
-#define LNET_PEER_NI_RECOVERY_FAILED (1 << 2)
+#define LNET_PEER_NI_RECOVERY_FAILED BIT(2)
/* peer is being deleted */
-#define LNET_PEER_NI_DELETING (1 << 3)
+#define LNET_PEER_NI_DELETING BIT(3)
struct lnet_peer {
/* chain on pt_peer_list */
/* primary NID of the peer */
lnet_nid_t lp_primary_nid;
+ /* source NID to use during discovery */
+ lnet_nid_t lp_disc_src_nid;
+
/* net to perform discovery on */
__u32 lp_disc_net_id;
*
* A peer is marked ROUTER if it indicates so in the feature bit.
*/
-#define LNET_PEER_MULTI_RAIL (1 << 0) /* Multi-rail aware */
-#define LNET_PEER_NO_DISCOVERY (1 << 1) /* Peer disabled discovery */
-#define LNET_PEER_ROUTER_ENABLED (1 << 2) /* router feature enabled */
+#define LNET_PEER_MULTI_RAIL BIT(0) /* Multi-rail aware */
+#define LNET_PEER_NO_DISCOVERY BIT(1) /* Peer disabled discovery */
+#define LNET_PEER_ROUTER_ENABLED BIT(2) /* router feature enabled */
/*
* A peer is marked CONFIGURED if it was configured by DLC.
* A peer that was created as the result of inbound traffic will not
* be marked at all.
*/
-#define LNET_PEER_CONFIGURED (1 << 3) /* Configured via DLC */
-#define LNET_PEER_DISCOVERED (1 << 4) /* Peer was discovered */
-#define LNET_PEER_REDISCOVER (1 << 5) /* Discovery was disabled */
+#define LNET_PEER_CONFIGURED BIT(3) /* Configured via DLC */
+#define LNET_PEER_DISCOVERED BIT(4) /* Peer was discovered */
+#define LNET_PEER_REDISCOVER BIT(5) /* Discovery was disabled */
/*
* A peer is marked DISCOVERING when discovery is in progress.
* The other flags below correspond to stages of discovery.
*/
-#define LNET_PEER_DISCOVERING (1 << 6) /* Discovering */
-#define LNET_PEER_DATA_PRESENT (1 << 7) /* Remote peer data present */
-#define LNET_PEER_NIDS_UPTODATE (1 << 8) /* Remote peer info uptodate */
-#define LNET_PEER_PING_SENT (1 << 9) /* Waiting for REPLY to Ping */
-#define LNET_PEER_PUSH_SENT (1 << 10) /* Waiting for ACK of Push */
-#define LNET_PEER_PING_FAILED (1 << 11) /* Ping send failure */
-#define LNET_PEER_PUSH_FAILED (1 << 12) /* Push send failure */
+#define LNET_PEER_DISCOVERING BIT(6) /* Discovering */
+#define LNET_PEER_DATA_PRESENT BIT(7) /* Remote peer data present */
+#define LNET_PEER_NIDS_UPTODATE BIT(8) /* Remote peer info uptodate */
+#define LNET_PEER_PING_SENT BIT(9) /* Waiting for REPLY to Ping */
+#define LNET_PEER_PUSH_SENT BIT(10) /* Waiting for ACK of Push */
+#define LNET_PEER_PING_FAILED BIT(11) /* Ping send failure */
+#define LNET_PEER_PUSH_FAILED BIT(12) /* Push send failure */
/*
* A ping can be forced as a way to fix up state, or as a manual
* intervention by an admin.
* A push can be forced in circumstances that would normally not
* allow for one to happen.
*/
-#define LNET_PEER_FORCE_PING (1 << 13) /* Forced Ping */
-#define LNET_PEER_FORCE_PUSH (1 << 14) /* Forced Push */
+#define LNET_PEER_FORCE_PING BIT(13) /* Forced Ping */
+#define LNET_PEER_FORCE_PUSH BIT(14) /* Forced Push */
/* force delete even if router */
-#define LNET_PEER_RTR_NI_FORCE_DEL (1 << 15)
+#define LNET_PEER_RTR_NI_FORCE_DEL BIT(15)
/* gw undergoing alive discovery */
-#define LNET_PEER_RTR_DISCOVERY (1 << 16)
+#define LNET_PEER_RTR_DISCOVERY BIT(16)
/* gw has undergone discovery (does not indicate success or failure) */
-#define LNET_PEER_RTR_DISCOVERED (1 << 17)
+#define LNET_PEER_RTR_DISCOVERED BIT(17)
/* peer is marked for deletion */
-#define LNET_PEER_MARK_DELETION (1 << 18)
+#define LNET_PEER_MARK_DELETION BIT(18)
struct lnet_peer_net {
/* chain on lp_peer_nets */
enum lnet_match_flags {
/* Didn't match anything */
- LNET_MATCHMD_NONE = (1 << 0),
+ LNET_MATCHMD_NONE = BIT(0),
/* Matched OK */
- LNET_MATCHMD_OK = (1 << 1),
+ LNET_MATCHMD_OK = BIT(1),
/* Must be discarded */
- LNET_MATCHMD_DROP = (1 << 2),
+ LNET_MATCHMD_DROP = BIT(2),
/* match and buffer is exhausted */
- LNET_MATCHMD_EXHAUSTED = (1 << 3),
+ LNET_MATCHMD_EXHAUSTED = BIT(3),
/* match or drop */
LNET_MATCHMD_FINISH = (LNET_MATCHMD_OK | LNET_MATCHMD_DROP),
};
/* Options for struct lnet_portal::ptl_options */
-#define LNET_PTL_LAZY (1 << 0)
-#define LNET_PTL_MATCH_UNIQUE (1 << 1) /* unique match, for RDMA */
-#define LNET_PTL_MATCH_WILDCARD (1 << 2) /* wildcard match, request portal */
+#define LNET_PTL_LAZY BIT(0)
+#define LNET_PTL_MATCH_UNIQUE BIT(1) /* unique match, for RDMA */
+#define LNET_PTL_MATCH_WILDCARD BIT(2) /* wildcard match, request portal */
/* parameter for matching operations (GET, PUT) */
struct lnet_match_info {
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