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LU-2456 lnet: DLC user/kernel space glue code
[fs/lustre-release.git] / lnet / lnet / peer.c
index 744e151..702169b 100644 (file)
@@ -389,38 +389,41 @@ lnet_debug_peer(lnet_nid_t nid)
        lnet_net_unlock(cpt);
 }
 
-int lnet_get_peers(int count, __u64 *nid, char *aliveness,
-                  int *ncpt, int *refcount,
-                  int *ni_peer_tx_credits, int *peer_tx_credits,
-                  int *peer_rtr_credits, int *peer_min_rtr_credits,
-                  int *peer_tx_qnob)
+int lnet_get_peer_info(__u32 peer_index, __u64 *nid,
+                      char aliveness[LNET_MAX_STR_LEN],
+                      __u32 *cpt_iter, __u32 *refcount,
+                      __u32 *ni_peer_tx_credits, __u32 *peer_tx_credits,
+                      __u32 *peer_rtr_credits, __u32 *peer_min_rtr_credits,
+                      __u32 *peer_tx_qnob)
 {
        struct lnet_peer_table  *peer_table;
        lnet_peer_t             *lp;
        int                     j;
-       int                     lncpt, found = 0;
+       int                     lncpt;
+       bool                    found = false;
 
        /* get the number of CPTs */
        lncpt = cfs_percpt_number(the_lnet.ln_peer_tables);
+
        /* if the cpt number to be examined is >= the number of cpts in
         * the system then indicate that there are no more cpts to examin
         */
-       if (*ncpt > lncpt)
-               return -1;
+       if (*cpt_iter > lncpt)
+               return -ENOENT;
 
        /* get the current table */
-       peer_table = the_lnet.ln_peer_tables[*ncpt];
+       peer_table = the_lnet.ln_peer_tables[*cpt_iter];
        /* if the ptable is NULL then there are no more cpts to examine */
        if (peer_table == NULL)
-               return -1;
+               return -ENOENT;
 
-       lnet_net_lock(*ncpt);
+       lnet_net_lock(*cpt_iter);
 
        for (j = 0; j < LNET_PEER_HASH_SIZE && !found; j++) {
                struct list_head *peers = &peer_table->pt_hash[j];
 
                list_for_each_entry(lp, peers, lp_hashlist) {
-                       if (count-- > 0)
+                       if (peer_index-- > 0)
                                continue;
 
                        snprintf(aliveness, LNET_MAX_STR_LEN, "NA");
@@ -437,13 +440,13 @@ int lnet_get_peers(int count, __u64 *nid, char *aliveness,
                        *peer_min_rtr_credits = lp->lp_mintxcredits;
                        *peer_tx_qnob = lp->lp_txqnob;
 
-                       found = 1;
+                       found = true;
                }
 
        }
-       lnet_net_unlock(*ncpt);
+       lnet_net_unlock(*cpt_iter);
 
-       *ncpt = lncpt;
+       *cpt_iter = lncpt;
 
        return found ? 0 : -ENOENT;
 }