__u32 local_ip, __u32 peer_ip, int peer_port)
{
lnet_acceptor_connreq_t cr;
- struct socket *sock;
- int rc;
- int port;
- int fatal;
+ struct socket *sock;
+ int rc;
+ int port;
+ int fatal;
CLASSERT(sizeof(cr) <= 16); /* not too big to be on the stack */
lnet_accept(struct socket *sock, __u32 magic)
{
lnet_acceptor_connreq_t cr;
- __u32 peer_ip;
- int peer_port;
- int rc;
- int flip;
- lnet_ni_t *ni;
- char *str;
+ __u32 peer_ip;
+ int peer_port;
+ int rc;
+ int flip;
+ lnet_ni_t *ni;
+ char *str;
LASSERT(sizeof(cr) <= 16); /* not too big for the stack */
lnet_acceptor(void *arg)
{
struct socket *newsock;
- int rc;
- __u32 magic;
- __u32 peer_ip;
- int peer_port;
- int secure = (int)((long_ptr_t)arg);
+ int rc;
+ __u32 magic;
+ __u32 peer_ip;
+ int peer_port;
+ int secure = (int)((long_ptr_t)arg);
LASSERT(lnet_acceptor_state.pta_sock == NULL);
int
lnet_acceptor_start(void)
{
- int rc;
+ int rc;
long rc2;
long secure;
#define D_LNI D_CONSOLE
-lnet_t the_lnet; /* THE state of the network */
+lnet_t the_lnet; /* THE state of the network */
EXPORT_SYMBOL(the_lnet);
static char *
lnet_get_networks(void)
{
- char *nets;
- int rc;
+ char *nets;
+ int rc;
if (*networks != 0 && *ip2nets != 0) {
LCONSOLE_ERROR_MSG(0x101, "Please specify EITHER 'networks' or 'ip2nets' but not both at once\n");
static int
lnet_create_remote_nets_table(void)
{
- int i;
- struct list_head *hash;
+ int i;
+ struct list_head *hash;
LASSERT(the_lnet.ln_remote_nets_hash == NULL);
LASSERT(the_lnet.ln_remote_nets_hbits > 0);
static lnd_t *
lnet_find_lnd_by_type(int type)
{
- lnd_t *lnd;
- struct list_head *tmp;
+ lnd_t *lnd;
+ struct list_head *tmp;
/* holding lnd mutex */
list_for_each(tmp, &the_lnet.ln_lnds) {
lnet_counters_get(lnet_counters_t *counters)
{
lnet_counters_t *ctr;
- int i;
+ int i;
memset(counters, 0, sizeof(*counters));
lnet_counters_reset(void)
{
lnet_counters_t *counters;
- int i;
+ int i;
lnet_net_lock(LNET_LOCK_EX);
void
lnet_freelist_fini(lnet_freelist_t *fl)
{
- struct list_head *el;
- int count;
+ struct list_head *el;
+ int count;
if (fl->fl_nobjs == 0)
return;
static void
lnet_res_container_cleanup(struct lnet_res_container *rec)
{
- int count = 0;
+ int count = 0;
if (rec->rec_type == 0) /* not set yet, it's uninitialized */
return;
lnet_res_container_setup(struct lnet_res_container *rec,
int cpt, int type, int objnum, int objsz)
{
- int rc = 0;
- int i;
+ int rc = 0;
+ int i;
LASSERT(rec->rec_type == 0);
static void
lnet_res_containers_destroy(struct lnet_res_container **recs)
{
- struct lnet_res_container *rec;
- int i;
+ struct lnet_res_container *rec;
+ int i;
cfs_percpt_for_each(rec, i, recs)
lnet_res_container_cleanup(rec);
static struct lnet_res_container **
lnet_res_containers_create(int type, int objnum, int objsz)
{
- struct lnet_res_container **recs;
- struct lnet_res_container *rec;
- int rc;
- int i;
+ struct lnet_res_container **recs;
+ struct lnet_res_container *rec;
+ int rc;
+ int i;
recs = cfs_percpt_alloc(lnet_cpt_table(), sizeof(*rec));
if (recs == NULL) {
lnet_res_lh_lookup(struct lnet_res_container *rec, __u64 cookie)
{
/* ALWAYS called with lnet_res_lock held */
- struct list_head *head;
- lnet_libhandle_t *lh;
- unsigned int hash;
+ struct list_head *head;
+ lnet_libhandle_t *lh;
+ unsigned int hash;
if ((cookie & LNET_COOKIE_MASK) != rec->rec_type)
return NULL;
lnet_res_lh_initialize(struct lnet_res_container *rec, lnet_libhandle_t *lh)
{
/* ALWAYS called with lnet_res_lock held */
- unsigned int ibits = LNET_COOKIE_TYPE_BITS + LNET_CPT_BITS;
- unsigned int hash;
+ unsigned int ibits = LNET_COOKIE_TYPE_BITS + LNET_CPT_BITS;
+ unsigned int hash;
lh->lh_cookie = rec->rec_lh_cookie;
rec->rec_lh_cookie += 1 << ibits;
{
/* Prepare to bring up the network */
struct lnet_res_container **recs;
- int rc = 0;
+ int rc = 0;
LASSERT(the_lnet.ln_refcount == 0);
lnet_ni_t *
lnet_net2ni_locked(__u32 net, int cpt)
{
- struct list_head *tmp;
- lnet_ni_t *ni;
+ struct list_head *tmp;
+ lnet_ni_t *ni;
LASSERT(cpt != LNET_LOCK_EX);
static unsigned int
lnet_nid_cpt_hash(lnet_nid_t nid, unsigned int number)
{
- __u64 key = nid;
- unsigned int val;
+ __u64 key = nid;
+ unsigned int val;
LASSERT(number >= 1 && number <= LNET_CPT_NUMBER);
int
lnet_cpt_of_nid(lnet_nid_t nid)
{
- int cpt;
- int cpt2;
+ int cpt;
+ int cpt2;
if (LNET_CPT_NUMBER == 1)
return 0; /* the only one */
int
lnet_islocalnet(__u32 net)
{
- struct lnet_ni *ni;
- int cpt;
+ struct lnet_ni *ni;
+ int cpt;
cpt = lnet_net_lock_current();
lnet_ni_t *
lnet_nid2ni_locked(lnet_nid_t nid, int cpt)
{
- struct lnet_ni *ni;
- struct list_head *tmp;
+ struct lnet_ni *ni;
+ struct list_head *tmp;
LASSERT(cpt != LNET_LOCK_EX);
int
lnet_islocalnid(lnet_nid_t nid)
{
- struct lnet_ni *ni;
- int cpt;
+ struct lnet_ni *ni;
+ int cpt;
cpt = lnet_net_lock_current();
ni = lnet_nid2ni_locked(nid, cpt);
lnet_count_acceptor_nis(void)
{
/* Return the # of NIs that need the acceptor. */
- int count = 0;
- struct list_head *tmp;
- struct lnet_ni *ni;
- int cpt;
+ int count = 0;
+ struct list_head *tmp;
+ struct lnet_ni *ni;
+ int cpt;
cpt = lnet_net_lock_current();
list_for_each(tmp, &the_lnet.ln_nis) {
static int
lnet_ni_tq_credits(lnet_ni_t *ni)
{
- int credits;
+ int credits;
LASSERT(ni->ni_ncpts >= 1);
static void
lnet_shutdown_lndnis(void)
{
- int i;
- int islo;
- lnet_ni_t *ni;
+ int i;
+ int islo;
+ lnet_ni_t *ni;
/* NB called holding the global mutex */
* and shut them down in guaranteed thread context */
i = 2;
while (!list_empty(&the_lnet.ln_nis_zombie)) {
- int *ref;
- int j;
+ int *ref;
+ int j;
ni = list_entry(the_lnet.ln_nis_zombie.next,
lnet_ni_t, ni_list);
static int
lnet_startup_lndnis(void)
{
- lnd_t *lnd;
- struct lnet_ni *ni;
- struct lnet_tx_queue *tq;
- struct list_head nilist;
- int i;
- int rc = 0;
- int lnd_type;
- int nicount = 0;
- char *nets = lnet_get_networks();
+ lnd_t *lnd;
+ struct lnet_ni *ni;
+ struct lnet_tx_queue *tq;
+ struct list_head nilist;
+ int i;
+ int rc = 0;
+ int lnd_type;
+ int nicount = 0;
+ char *nets = lnet_get_networks();
INIT_LIST_HEAD(&nilist);
int
LNetInit(void)
{
- int rc;
+ int rc;
lnet_assert_wire_constants();
LASSERT(!the_lnet.ln_init);
int
LNetNIInit(lnet_pid_t requested_pid)
{
- int im_a_router = 0;
- int rc;
+ int im_a_router = 0;
+ int rc;
LNET_MUTEX_LOCK(&the_lnet.ln_api_mutex);
LNetCtl(unsigned int cmd, void *arg)
{
struct libcfs_ioctl_data *data = arg;
- lnet_process_id_t id = {0};
- lnet_ni_t *ni;
- int rc;
+ lnet_process_id_t id = {0};
+ lnet_ni_t *ni;
+ int rc;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
LNetGetId(unsigned int index, lnet_process_id_t *id)
{
- struct lnet_ni *ni;
- struct list_head *tmp;
- int cpt;
- int rc = -ENOENT;
+ struct lnet_ni *ni;
+ struct list_head *tmp;
+ int cpt;
+ int rc = -ENOENT;
LASSERT(the_lnet.ln_init);
static int
lnet_create_ping_info(void)
{
- int i;
- int n;
- int rc;
- unsigned int infosz;
- lnet_ni_t *ni;
+ int i;
+ int n;
+ int rc;
+ unsigned int infosz;
+ lnet_ni_t *ni;
lnet_process_id_t id;
lnet_ping_info_t *pinfo;
static void
lnet_destroy_ping_info(void)
{
- struct lnet_ni *ni;
+ struct lnet_ni *ni;
lnet_net_lock(0);
int
lnet_ping_target_init(void)
{
- lnet_md_t md = { NULL };
- lnet_handle_me_t meh;
+ lnet_md_t md = { NULL };
+ lnet_handle_me_t meh;
lnet_process_id_t id;
- int rc;
- int rc2;
- int infosz;
+ int rc;
+ int rc2;
+ int infosz;
rc = lnet_create_ping_info();
if (rc != 0)
void
lnet_ping_target_fini(void)
{
- lnet_event_t event;
- int rc;
- int which;
- int timeout_ms = 1000;
- sigset_t blocked = cfs_block_allsigs();
+ lnet_event_t event;
+ int rc;
+ int which;
+ int timeout_ms = 1000;
+ sigset_t blocked = cfs_block_allsigs();
LNetMDUnlink(the_lnet.ln_ping_target_md);
/* NB md could be busy; this just starts the unlink */
int
lnet_ping(lnet_process_id_t id, int timeout_ms, lnet_process_id_t *ids, int n_ids)
{
- lnet_handle_eq_t eqh;
- lnet_handle_md_t mdh;
- lnet_event_t event;
- lnet_md_t md = { NULL };
- int which;
- int unlinked = 0;
- int replied = 0;
- const int a_long_time = 60000; /* mS */
- int infosz = offsetof(lnet_ping_info_t, pi_ni[n_ids]);
- lnet_ping_info_t *info;
- lnet_process_id_t tmpid;
- int i;
- int nob;
- int rc;
- int rc2;
- sigset_t blocked;
+ lnet_handle_eq_t eqh;
+ lnet_handle_md_t mdh;
+ lnet_event_t event;
+ lnet_md_t md = { NULL };
+ int which;
+ int unlinked = 0;
+ int replied = 0;
+ const int a_long_time = 60000; /* mS */
+ int infosz = offsetof(lnet_ping_info_t, pi_ni[n_ids]);
+ lnet_ping_info_t *info;
+ lnet_process_id_t tmpid;
+ int i;
+ int nob;
+ int rc;
+ int rc2;
+ sigset_t blocked;
if (n_ids <= 0 ||
id.nid == LNET_NID_ANY ||
#include "../../include/linux/lnet/lib-lnet.h"
struct lnet_text_buf_t { /* tmp struct for parsing routes */
- struct list_head ltb_list; /* stash on lists */
- int ltb_size; /* allocated size */
- char ltb_text[0]; /* text buffer */
+ struct list_head ltb_list; /* stash on lists */
+ int ltb_size; /* allocated size */
+ char ltb_text[0]; /* text buffer */
};
static int lnet_tbnob; /* track text buf allocation */
static int
lnet_net_unique(__u32 net, struct list_head *nilist)
{
- struct list_head *tmp;
- lnet_ni_t *ni;
+ struct list_head *tmp;
+ lnet_ni_t *ni;
list_for_each(tmp, nilist) {
ni = list_entry(tmp, lnet_ni_t, ni_list);
static lnet_ni_t *
lnet_ni_alloc(__u32 net, struct cfs_expr_list *el, struct list_head *nilist)
{
- struct lnet_tx_queue *tq;
- struct lnet_ni *ni;
- int rc;
- int i;
+ struct lnet_tx_queue *tq;
+ struct lnet_ni *ni;
+ int rc;
+ int i;
if (!lnet_net_unique(net, nilist)) {
LCONSOLE_ERROR_MSG(0x111, "Duplicate network specified: %s\n",
lnet_parse_networks(struct list_head *nilist, char *networks)
{
struct cfs_expr_list *el = NULL;
- int tokensize = strlen(networks) + 1;
- char *tokens;
- char *str;
- char *tmp;
- struct lnet_ni *ni;
- __u32 net;
- int nnets = 0;
+ int tokensize = strlen(networks) + 1;
+ char *tokens;
+ char *str;
+ char *tmp;
+ struct lnet_ni *ni;
+ __u32 net;
+ int nnets = 0;
if (strlen(networks) > LNET_SINGLE_TEXTBUF_NOB) {
/* _WAY_ conservative */
goto failed;
while (str != NULL && *str != 0) {
- char *comma = strchr(str, ',');
- char *bracket = strchr(str, '(');
- char *square = strchr(str, '[');
- char *iface;
- int niface;
- int rc;
+ char *comma = strchr(str, ',');
+ char *bracket = strchr(str, '(');
+ char *square = strchr(str, '[');
+ char *iface;
+ int niface;
+ int rc;
/* NB we don't check interface conflicts here; it's the LNDs
* responsibility (if it cares at all) */
lnet_new_text_buf(int str_len)
{
struct lnet_text_buf_t *ltb;
- int nob;
+ int nob;
/* NB allocate space for the terminating 0 */
nob = offsetof(struct lnet_text_buf_t, ltb_text[str_len + 1]);
static void
lnet_free_text_bufs(struct list_head *tbs)
{
- struct lnet_text_buf_t *ltb;
+ struct lnet_text_buf_t *ltb;
while (!list_empty(tbs)) {
ltb = list_entry(tbs->next, struct lnet_text_buf_t, ltb_list);
static int
lnet_str2tbs_sep(struct list_head *tbs, char *str)
{
- struct list_head pending;
- char *sep;
- int nob;
- int i;
- struct lnet_text_buf_t *ltb;
+ struct list_head pending;
+ char *sep;
+ int nob;
+ int i;
+ struct lnet_text_buf_t *ltb;
INIT_LIST_HEAD(&pending);
char *str, char *sep1, char *sep2,
char *item, int itemlen)
{
- int len1 = (int)(sep1 - str);
- int len2 = strlen(sep2 + 1);
+ int len1 = (int)(sep1 - str);
+ int len2 = strlen(sep2 + 1);
struct lnet_text_buf_t *ltb;
LASSERT(*sep1 == '[');
static int
lnet_str2tbs_expand(struct list_head *tbs, char *str)
{
- char num[16];
- struct list_head pending;
- char *sep;
- char *sep2;
- char *parsed;
- char *enditem;
- int lo;
- int hi;
- int stride;
- int i;
- int nob;
- int scanned;
+ char num[16];
+ struct list_head pending;
+ char *sep;
+ char *sep2;
+ char *parsed;
+ char *enditem;
+ int lo;
+ int hi;
+ int stride;
+ int i;
+ int nob;
+ int scanned;
INIT_LIST_HEAD(&pending);
static int
lnet_parse_hops(char *str, unsigned int *hops)
{
- int len = strlen(str);
- int nob = len;
+ int len = strlen(str);
+ int nob = len;
return (sscanf(str, "%u%n", hops, &nob) >= 1 &&
nob == len &&
static int
lnet_parse_priority(char *str, unsigned int *priority, char **token)
{
- int nob;
+ int nob;
char *sep;
- int len;
+ int len;
sep = strchr(str, LNET_PRIORITY_SEPARATOR);
if (sep == NULL) {
lnet_parse_route(char *str, int *im_a_router)
{
/* static scratch buffer OK (single threaded) */
- static char cmd[LNET_SINGLE_TEXTBUF_NOB];
-
- struct list_head nets;
- struct list_head gateways;
- struct list_head *tmp1;
- struct list_head *tmp2;
- __u32 net;
- lnet_nid_t nid;
- struct lnet_text_buf_t *ltb;
- int rc;
- char *sep;
- char *token = str;
- int ntokens = 0;
- int myrc = -1;
- unsigned int hops;
- int got_hops = 0;
- unsigned int priority = 0;
+ static char cmd[LNET_SINGLE_TEXTBUF_NOB];
+
+ struct list_head nets;
+ struct list_head gateways;
+ struct list_head *tmp1;
+ struct list_head *tmp2;
+ __u32 net;
+ lnet_nid_t nid;
+ struct lnet_text_buf_t *ltb;
+ int rc;
+ char *sep;
+ char *token = str;
+ int ntokens = 0;
+ int myrc = -1;
+ unsigned int hops;
+ int got_hops = 0;
+ unsigned int priority = 0;
INIT_LIST_HEAD(&gateways);
INIT_LIST_HEAD(&nets);
static int
lnet_parse_route_tbs(struct list_head *tbs, int *im_a_router)
{
- struct lnet_text_buf_t *ltb;
+ struct lnet_text_buf_t *ltb;
while (!list_empty(tbs)) {
ltb = list_entry(tbs->next, struct lnet_text_buf_t, ltb_list);
int
lnet_parse_routes(char *routes, int *im_a_router)
{
- struct list_head tbs;
- int rc = 0;
+ struct list_head tbs;
+ int rc = 0;
*im_a_router = 0;
lnet_match_network_token(char *token, int len, __u32 *ipaddrs, int nip)
{
LIST_HEAD(list);
- int rc;
- int i;
+ int rc;
+ int i;
rc = cfs_ip_addr_parse(token, len, &list);
if (rc != 0)
{
static char tokens[LNET_SINGLE_TEXTBUF_NOB];
- int matched = 0;
- int ntokens = 0;
- int len;
+ int matched = 0;
+ int ntokens = 0;
+ int len;
char *net = NULL;
char *sep;
char *token;
- int rc;
+ int rc;
LASSERT(strlen(net_entry) < sizeof(tokens));
static __u32
lnet_netspec2net(char *netspec)
{
- char *bracket = strchr(netspec, '(');
- __u32 net;
+ char *bracket = strchr(netspec, '(');
+ __u32 net;
if (bracket != NULL)
*bracket = 0;
static int
lnet_splitnets(char *source, struct list_head *nets)
{
- int offset = 0;
- int offset2;
- int len;
- struct lnet_text_buf_t *tb;
- struct lnet_text_buf_t *tb2;
- struct list_head *t;
- char *sep;
- char *bracket;
- __u32 net;
+ int offset = 0;
+ int offset2;
+ int len;
+ struct lnet_text_buf_t *tb;
+ struct lnet_text_buf_t *tb2;
+ struct list_head *t;
+ char *sep;
+ char *bracket;
+ __u32 net;
LASSERT(!list_empty(nets));
LASSERT(nets->next == nets->prev); /* single entry */
static int
lnet_match_networks(char **networksp, char *ip2nets, __u32 *ipaddrs, int nip)
{
- static char networks[LNET_SINGLE_TEXTBUF_NOB];
- static char source[LNET_SINGLE_TEXTBUF_NOB];
-
- struct list_head raw_entries;
- struct list_head matched_nets;
- struct list_head current_nets;
- struct list_head *t;
- struct list_head *t2;
- struct lnet_text_buf_t *tb;
- struct lnet_text_buf_t *tb2;
- __u32 net1;
- __u32 net2;
- int len;
- int count;
- int dup;
- int rc;
+ static char networks[LNET_SINGLE_TEXTBUF_NOB];
+ static char source[LNET_SINGLE_TEXTBUF_NOB];
+
+ struct list_head raw_entries;
+ struct list_head matched_nets;
+ struct list_head current_nets;
+ struct list_head *t;
+ struct list_head *t2;
+ struct lnet_text_buf_t *tb;
+ struct lnet_text_buf_t *tb2;
+ __u32 net1;
+ __u32 net2;
+ int len;
+ int count;
+ int dup;
+ int rc;
INIT_LIST_HEAD(&raw_entries);
if (lnet_str2tbs_sep(&raw_entries, ip2nets) < 0) {
static int
lnet_ipaddr_enumerate(__u32 **ipaddrsp)
{
- int up;
- __u32 netmask;
- __u32 *ipaddrs;
- __u32 *ipaddrs2;
- int nip;
- char **ifnames;
- int nif = libcfs_ipif_enumerate(&ifnames);
- int i;
- int rc;
+ int up;
+ __u32 netmask;
+ __u32 *ipaddrs;
+ __u32 *ipaddrs2;
+ int nip;
+ char **ifnames;
+ int nif = libcfs_ipif_enumerate(&ifnames);
+ int i;
+ int rc;
if (nif <= 0)
return nif;
int
lnet_parse_ip2nets(char **networksp, char *ip2nets)
{
- __u32 *ipaddrs = NULL;
- int nip = lnet_ipaddr_enumerate(&ipaddrs);
- int rc;
+ __u32 *ipaddrs = NULL;
+ int nip = lnet_ipaddr_enumerate(&ipaddrs);
+ int rc;
if (nip < 0) {
LCONSOLE_ERROR_MSG(0x117,
int
lnet_set_ip_niaddr(lnet_ni_t *ni)
{
- __u32 net = LNET_NIDNET(ni->ni_nid);
+ __u32 net = LNET_NIDNET(ni->ni_nid);
char **names;
- int n;
- __u32 ip;
- __u32 netmask;
- int up;
- int i;
- int rc;
+ int n;
+ __u32 ip;
+ __u32 netmask;
+ int up;
+ int i;
+ int rc;
/* Convenience for LNDs that use the IP address of a local interface as
* the local address part of their NID */
LNetEQAlloc(unsigned int count, lnet_eq_handler_t callback,
lnet_handle_eq_t *handle)
{
- lnet_eq_t *eq;
+ lnet_eq_t *eq;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
LNetEQFree(lnet_handle_eq_t eqh)
{
- struct lnet_eq *eq;
- lnet_event_t *events = NULL;
- int **refs = NULL;
- int *ref;
- int rc = 0;
- int size = 0;
- int i;
+ struct lnet_eq *eq;
+ lnet_event_t *events = NULL;
+ int **refs = NULL;
+ int *ref;
+ int rc = 0;
+ int size = 0;
+ int i;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
}
/* stash for free after lock dropped */
- events = eq->eq_events;
- size = eq->eq_size;
- refs = eq->eq_refs;
+ events = eq->eq_events;
+ size = eq->eq_size;
+ refs = eq->eq_refs;
lnet_res_lh_invalidate(&eq->eq_lh);
list_del(&eq->eq_list);
static int
lnet_eq_dequeue_event(lnet_eq_t *eq, lnet_event_t *ev)
{
- int new_index = eq->eq_deq_seq & (eq->eq_size - 1);
- lnet_event_t *new_event = &eq->eq_events[new_index];
- int rc;
+ int new_index = eq->eq_deq_seq & (eq->eq_size - 1);
+ lnet_event_t *new_event = &eq->eq_events[new_index];
+ int rc;
/* must called with lnet_eq_wait_lock hold */
if (LNET_SEQ_GT(eq->eq_deq_seq, new_event->sequence))
lnet_eq_wait_locked(int *timeout_ms)
__must_hold(&the_lnet.ln_eq_wait_lock)
{
- int tms = *timeout_ms;
- int wait;
- wait_queue_t wl;
- unsigned long now;
+ int tms = *timeout_ms;
+ int wait;
+ wait_queue_t wl;
+ unsigned long now;
if (tms == 0)
return -1; /* don't want to wait and no new event */
LNetEQPoll(lnet_handle_eq_t *eventqs, int neq, int timeout_ms,
lnet_event_t *event, int *which)
{
- int wait = 1;
- int rc;
- int i;
+ int wait = 1;
+ int rc;
+ int i;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
CDEBUG(D_NET, "Unlinking md %p\n", md);
if (md->md_eq != NULL) {
- int cpt = lnet_cpt_of_cookie(md->md_lh.lh_cookie);
+ int cpt = lnet_cpt_of_cookie(md->md_lh.lh_cookie);
LASSERT(*md->md_eq->eq_refs[cpt] > 0);
(*md->md_eq->eq_refs[cpt])--;
static int
lnet_md_build(lnet_libmd_t *lmd, lnet_md_t *umd, int unlink)
{
- int i;
+ int i;
unsigned int niov;
- int total_length = 0;
+ int total_length = 0;
lmd->md_me = NULL;
lmd->md_start = umd->start;
{
LIST_HEAD(matches);
LIST_HEAD(drops);
- struct lnet_me *me;
- struct lnet_libmd *md;
- int cpt;
- int rc;
+ struct lnet_me *me;
+ struct lnet_libmd *md;
+ int cpt;
+ int rc;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
LNetMDBind(lnet_md_t umd, lnet_unlink_t unlink, lnet_handle_md_t *handle)
{
- lnet_libmd_t *md;
- int cpt;
- int rc;
+ lnet_libmd_t *md;
+ int cpt;
+ int rc;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
LNetMDUnlink(lnet_handle_md_t mdh)
{
- lnet_event_t ev;
- lnet_libmd_t *md;
- int cpt;
+ lnet_event_t ev;
+ lnet_libmd_t *md;
+ int cpt;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
lnet_handle_me_t *handle)
{
struct lnet_match_table *mtable;
- struct lnet_me *me;
- struct list_head *head;
+ struct lnet_me *me;
+ struct list_head *head;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
lnet_unlink_t unlink, lnet_ins_pos_t pos,
lnet_handle_me_t *handle)
{
- struct lnet_me *current_me;
- struct lnet_me *new_me;
- struct lnet_portal *ptl;
- int cpt;
+ struct lnet_me *current_me;
+ struct lnet_me *new_me;
+ struct lnet_portal *ptl;
+ int cpt;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
LNetMEUnlink(lnet_handle_me_t meh)
{
- lnet_me_t *me;
- lnet_libmd_t *md;
- lnet_event_t ev;
- int cpt;
+ lnet_me_t *me;
+ lnet_libmd_t *md;
+ lnet_event_t ev;
+ int cpt;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
lnet_fail_nid(lnet_nid_t nid, unsigned int threshold)
{
- lnet_test_peer_t *tp;
- struct list_head *el;
- struct list_head *next;
- struct list_head cull;
+ lnet_test_peer_t *tp;
+ struct list_head *el;
+ struct list_head *next;
+ struct list_head cull;
LASSERT(the_lnet.ln_init);
fail_peer(lnet_nid_t nid, int outgoing)
{
lnet_test_peer_t *tp;
- struct list_head *el;
- struct list_head *next;
- struct list_head cull;
- int fail = 0;
+ struct list_head *el;
+ struct list_head *next;
+ struct list_head cull;
+ int fail = 0;
INIT_LIST_HEAD(&cull);
unsigned int nob)
{
/* NB diov, siov are READ-ONLY */
- unsigned int this_nob;
+ unsigned int this_nob;
if (nob == 0)
return;
/* Initialise 'dst' to the subset of 'src' starting at 'offset',
* for exactly 'len' bytes, and return the number of entries.
* NB not destructive to 'src' */
- unsigned int frag_len;
- unsigned int niov;
+ unsigned int frag_len;
+ unsigned int niov;
if (len == 0) /* no data => */
return 0; /* no frags */
unsigned int
lnet_kiov_nob(unsigned int niov, lnet_kiov_t *kiov)
{
- unsigned int nob = 0;
+ unsigned int nob = 0;
while (niov-- > 0)
nob += (kiov++)->kiov_len;
unsigned int nob)
{
/* NB diov, siov are READ-ONLY */
- unsigned int this_nob;
- char *daddr = NULL;
- char *saddr = NULL;
+ unsigned int this_nob;
+ char *daddr = NULL;
+ char *saddr = NULL;
if (nob == 0)
return;
unsigned int kiovoffset, unsigned int nob)
{
/* NB iov, kiov are READ-ONLY */
- unsigned int this_nob;
- char *addr = NULL;
+ unsigned int this_nob;
+ char *addr = NULL;
if (nob == 0)
return;
unsigned int nob)
{
/* NB kiov, iov are READ-ONLY */
- unsigned int this_nob;
- char *addr = NULL;
+ unsigned int this_nob;
+ char *addr = NULL;
if (nob == 0)
return;
/* Initialise 'dst' to the subset of 'src' starting at 'offset',
* for exactly 'len' bytes, and return the number of entries.
* NB not destructive to 'src' */
- unsigned int frag_len;
- unsigned int niov;
+ unsigned int frag_len;
+ unsigned int niov;
if (len == 0) /* no data => */
return 0; /* no frags */
lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
- unsigned int niov = 0;
+ unsigned int niov = 0;
struct kvec *iov = NULL;
- lnet_kiov_t *kiov = NULL;
- int rc;
+ lnet_kiov_t *kiov = NULL;
+ int rc;
LASSERT(!in_interrupt());
LASSERT(mlen == 0 || msg != NULL);
static void
lnet_ni_send(lnet_ni_t *ni, lnet_msg_t *msg)
{
- void *priv = msg->msg_private;
- int rc;
+ void *priv = msg->msg_private;
+ int rc;
LASSERT(!in_interrupt());
LASSERT(LNET_NETTYP(LNET_NIDNET(ni->ni_nid)) == LOLND ||
static int
lnet_ni_eager_recv(lnet_ni_t *ni, lnet_msg_t *msg)
{
- int rc;
+ int rc;
LASSERT(!msg->msg_sending);
LASSERT(msg->msg_receiving);
static inline int
lnet_peer_is_alive(lnet_peer_t *lp, unsigned long now)
{
- int alive;
+ int alive;
unsigned long deadline;
LASSERT(lnet_peer_aliveness_enabled(lp));
static int
lnet_post_send_locked(lnet_msg_t *msg, int do_send)
{
- lnet_peer_t *lp = msg->msg_txpeer;
- lnet_ni_t *ni = lp->lp_ni;
- int cpt = msg->msg_tx_cpt;
- struct lnet_tx_queue *tq = ni->ni_tx_queues[cpt];
+ lnet_peer_t *lp = msg->msg_txpeer;
+ lnet_ni_t *ni = lp->lp_ni;
+ int cpt = msg->msg_tx_cpt;
+ struct lnet_tx_queue *tq = ni->ni_tx_queues[cpt];
/* non-lnet_send() callers have checked before */
LASSERT(!do_send || msg->msg_tx_delayed);
static lnet_rtrbufpool_t *
lnet_msg2bufpool(lnet_msg_t *msg)
{
- lnet_rtrbufpool_t *rbp;
- int cpt;
+ lnet_rtrbufpool_t *rbp;
+ int cpt;
LASSERT(msg->msg_rx_committed);
/* lnet_parse is going to lnet_net_unlock immediately after this, so it
* sets do_recv FALSE and I don't do the unlock/send/lock bit. I
* return EAGAIN if msg blocked and 0 if received or OK to receive */
- lnet_peer_t *lp = msg->msg_rxpeer;
- lnet_rtrbufpool_t *rbp;
- lnet_rtrbuf_t *rb;
+ lnet_peer_t *lp = msg->msg_rxpeer;
+ lnet_rtrbufpool_t *rbp;
+ lnet_rtrbuf_t *rb;
LASSERT(msg->msg_iov == NULL);
LASSERT(msg->msg_kiov == NULL);
void
lnet_return_tx_credits_locked(lnet_msg_t *msg)
{
- lnet_peer_t *txpeer = msg->msg_txpeer;
- lnet_msg_t *msg2;
+ lnet_peer_t *txpeer = msg->msg_txpeer;
+ lnet_msg_t *msg2;
if (msg->msg_txcredit) {
- struct lnet_ni *ni = txpeer->lp_ni;
+ struct lnet_ni *ni = txpeer->lp_ni;
struct lnet_tx_queue *tq = ni->ni_tx_queues[msg->msg_tx_cpt];
/* give back NI txcredits */
void
lnet_return_rx_credits_locked(lnet_msg_t *msg)
{
- lnet_peer_t *rxpeer = msg->msg_rxpeer;
- lnet_msg_t *msg2;
+ lnet_peer_t *rxpeer = msg->msg_rxpeer;
+ lnet_msg_t *msg2;
if (msg->msg_rtrcredit) {
/* give back global router credits */
- lnet_rtrbuf_t *rb;
+ lnet_rtrbuf_t *rb;
lnet_rtrbufpool_t *rbp;
/* NB If a msg ever blocks for a buffer in rbp_msgs, it stays
static lnet_peer_t *
lnet_find_route_locked(lnet_ni_t *ni, lnet_nid_t target, lnet_nid_t rtr_nid)
{
- lnet_remotenet_t *rnet;
- lnet_route_t *rtr;
- lnet_route_t *rtr_best;
- lnet_route_t *rtr_last;
- struct lnet_peer *lp_best;
- struct lnet_peer *lp;
- int rc;
+ lnet_remotenet_t *rnet;
+ lnet_route_t *rtr;
+ lnet_route_t *rtr_best;
+ lnet_route_t *rtr_last;
+ struct lnet_peer *lp_best;
+ struct lnet_peer *lp;
+ int rc;
/* If @rtr_nid is not LNET_NID_ANY, return the gateway with
* rtr_nid nid, otherwise find the best gateway I can use */
int
lnet_send(lnet_nid_t src_nid, lnet_msg_t *msg, lnet_nid_t rtr_nid)
{
- lnet_nid_t dst_nid = msg->msg_target.nid;
- struct lnet_ni *src_ni;
- struct lnet_ni *local_ni;
- struct lnet_peer *lp;
- int cpt;
- int cpt2;
- int rc;
+ lnet_nid_t dst_nid = msg->msg_target.nid;
+ struct lnet_ni *src_ni;
+ struct lnet_ni *local_ni;
+ struct lnet_peer *lp;
+ int cpt;
+ int cpt2;
+ int rc;
/* NB: rtr_nid is set to LNET_NID_ANY for all current use-cases,
* but we might want to use pre-determined router for ACK/REPLY
static void
lnet_recv_put(lnet_ni_t *ni, lnet_msg_t *msg)
{
- lnet_hdr_t *hdr = &msg->msg_hdr;
+ lnet_hdr_t *hdr = &msg->msg_hdr;
if (msg->msg_wanted != 0)
lnet_setpayloadbuffer(msg);
static int
lnet_parse_put(lnet_ni_t *ni, lnet_msg_t *msg)
{
- lnet_hdr_t *hdr = &msg->msg_hdr;
- struct lnet_match_info info;
- int rc;
+ lnet_hdr_t *hdr = &msg->msg_hdr;
+ struct lnet_match_info info;
+ int rc;
/* Convert put fields to host byte order */
hdr->msg.put.match_bits = le64_to_cpu(hdr->msg.put.match_bits);
static int
lnet_parse_get(lnet_ni_t *ni, lnet_msg_t *msg, int rdma_get)
{
- struct lnet_match_info info;
- lnet_hdr_t *hdr = &msg->msg_hdr;
- lnet_handle_wire_t reply_wmd;
- int rc;
+ struct lnet_match_info info;
+ lnet_hdr_t *hdr = &msg->msg_hdr;
+ lnet_handle_wire_t reply_wmd;
+ int rc;
/* Convert get fields to host byte order */
- hdr->msg.get.match_bits = le64_to_cpu(hdr->msg.get.match_bits);
- hdr->msg.get.ptl_index = le32_to_cpu(hdr->msg.get.ptl_index);
- hdr->msg.get.sink_length = le32_to_cpu(hdr->msg.get.sink_length);
- hdr->msg.get.src_offset = le32_to_cpu(hdr->msg.get.src_offset);
-
- info.mi_id.nid = hdr->src_nid;
- info.mi_id.pid = hdr->src_pid;
- info.mi_opc = LNET_MD_OP_GET;
- info.mi_portal = hdr->msg.get.ptl_index;
- info.mi_rlength = hdr->msg.get.sink_length;
- info.mi_roffset = hdr->msg.get.src_offset;
- info.mi_mbits = hdr->msg.get.match_bits;
+ hdr->msg.get.match_bits = le64_to_cpu(hdr->msg.get.match_bits);
+ hdr->msg.get.ptl_index = le32_to_cpu(hdr->msg.get.ptl_index);
+ hdr->msg.get.sink_length = le32_to_cpu(hdr->msg.get.sink_length);
+ hdr->msg.get.src_offset = le32_to_cpu(hdr->msg.get.src_offset);
+
+ info.mi_id.nid = hdr->src_nid;
+ info.mi_id.pid = hdr->src_pid;
+ info.mi_opc = LNET_MD_OP_GET;
+ info.mi_portal = hdr->msg.get.ptl_index;
+ info.mi_rlength = hdr->msg.get.sink_length;
+ info.mi_roffset = hdr->msg.get.src_offset;
+ info.mi_mbits = hdr->msg.get.match_bits;
rc = lnet_ptl_match_md(&info, msg);
if (rc == LNET_MATCHMD_DROP) {
static int
lnet_parse_reply(lnet_ni_t *ni, lnet_msg_t *msg)
{
- void *private = msg->msg_private;
- lnet_hdr_t *hdr = &msg->msg_hdr;
+ void *private = msg->msg_private;
+ lnet_hdr_t *hdr = &msg->msg_hdr;
lnet_process_id_t src = {0};
- lnet_libmd_t *md;
- int rlength;
- int mlength;
- int cpt;
+ lnet_libmd_t *md;
+ int rlength;
+ int mlength;
+ int cpt;
cpt = lnet_cpt_of_cookie(hdr->msg.reply.dst_wmd.wh_object_cookie);
lnet_res_lock(cpt);
static int
lnet_parse_ack(lnet_ni_t *ni, lnet_msg_t *msg)
{
- lnet_hdr_t *hdr = &msg->msg_hdr;
+ lnet_hdr_t *hdr = &msg->msg_hdr;
lnet_process_id_t src = {0};
- lnet_libmd_t *md;
- int cpt;
+ lnet_libmd_t *md;
+ int cpt;
src.nid = hdr->src_nid;
src.pid = hdr->src_pid;
static int
lnet_parse_forward_locked(lnet_ni_t *ni, lnet_msg_t *msg)
{
- int rc = 0;
+ int rc = 0;
if (msg->msg_rxpeer->lp_rtrcredits <= 0 ||
lnet_msg2bufpool(msg)->rbp_credits <= 0) {
lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid,
void *private, int rdma_req)
{
- int rc = 0;
- int cpt;
- int for_me;
- struct lnet_msg *msg;
- lnet_pid_t dest_pid;
- lnet_nid_t dest_nid;
- lnet_nid_t src_nid;
- __u32 payload_length;
- __u32 type;
+ int rc = 0;
+ int cpt;
+ int for_me;
+ struct lnet_msg *msg;
+ lnet_pid_t dest_pid;
+ lnet_nid_t dest_nid;
+ lnet_nid_t src_nid;
+ __u32 payload_length;
+ __u32 type;
LASSERT(!in_interrupt());
lnet_drop_delayed_msg_list(struct list_head *head, char *reason)
{
while (!list_empty(head)) {
- lnet_process_id_t id = {0};
- lnet_msg_t *msg;
+ lnet_process_id_t id = {0};
+ lnet_msg_t *msg;
msg = list_entry(head->next, lnet_msg_t, msg_list);
list_del(&msg->msg_list);
lnet_recv_delayed_msg_list(struct list_head *head)
{
while (!list_empty(head)) {
- lnet_msg_t *msg;
- lnet_process_id_t id;
+ lnet_msg_t *msg;
+ lnet_process_id_t id;
msg = list_entry(head->next, lnet_msg_t, msg_list);
list_del(&msg->msg_list);
__u64 match_bits, unsigned int offset,
__u64 hdr_data)
{
- struct lnet_msg *msg;
- struct lnet_libmd *md;
- int cpt;
- int rc;
+ struct lnet_msg *msg;
+ struct lnet_libmd *md;
+ int cpt;
+ int rc;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
* CAVEAT EMPTOR: 'getmsg' is the original GET, which is freed when
* lnet_finalize() is called on it, so the LND must call this first */
- struct lnet_msg *msg = lnet_msg_alloc();
- struct lnet_libmd *getmd = getmsg->msg_md;
- lnet_process_id_t peer_id = getmsg->msg_target;
- int cpt;
+ struct lnet_msg *msg = lnet_msg_alloc();
+ struct lnet_libmd *getmd = getmsg->msg_md;
+ lnet_process_id_t peer_id = getmsg->msg_target;
+ int cpt;
LASSERT(!getmsg->msg_target_is_router);
LASSERT(!getmsg->msg_routing);
lnet_process_id_t target, unsigned int portal,
__u64 match_bits, unsigned int offset)
{
- struct lnet_msg *msg;
- struct lnet_libmd *md;
- int cpt;
- int rc;
+ struct lnet_msg *msg;
+ struct lnet_libmd *md;
+ int cpt;
+ int rc;
LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
int
LNetDist(lnet_nid_t dstnid, lnet_nid_t *srcnidp, __u32 *orderp)
{
- struct list_head *e;
- struct lnet_ni *ni;
- lnet_remotenet_t *rnet;
- __u32 dstnet = LNET_NIDNET(dstnid);
- int hops;
- int cpt;
- __u32 order = 2;
- struct list_head *rn_list;
+ struct list_head *e;
+ struct lnet_ni *ni;
+ lnet_remotenet_t *rnet;
+ __u32 dstnet = LNET_NIDNET(dstnid);
+ int hops;
+ int cpt;
+ __u32 order = 2;
+ struct list_head *rn_list;
/* if !local_nid_dist_zero, I don't return a distance of 0 ever
* (when lustre sees a distance of 0, it substitutes 0@lo), so I
void
lnet_build_msg_event(lnet_msg_t *msg, lnet_event_kind_t ev_type)
{
- lnet_hdr_t *hdr = &msg->msg_hdr;
- lnet_event_t *ev = &msg->msg_ev;
+ lnet_hdr_t *hdr = &msg->msg_hdr;
+ lnet_event_t *ev = &msg->msg_ev;
LASSERT(!msg->msg_routing);
ev->target.pid = le32_to_cpu(hdr->dest_pid);
ev->initiator.nid = LNET_NID_ANY;
ev->initiator.pid = the_lnet.ln_pid;
- ev->sender = LNET_NID_ANY;
+ ev->sender = LNET_NID_ANY;
} else {
/* event for passive message */
ev->initiator.pid = hdr->src_pid;
ev->initiator.nid = hdr->src_nid;
ev->rlength = hdr->payload_length;
- ev->sender = msg->msg_from;
- ev->mlength = msg->msg_wanted;
- ev->offset = msg->msg_offset;
+ ev->sender = msg->msg_from;
+ ev->mlength = msg->msg_wanted;
+ ev->offset = msg->msg_offset;
}
switch (ev_type) {
lnet_msg_commit(lnet_msg_t *msg, int cpt)
{
struct lnet_msg_container *container = the_lnet.ln_msg_containers[cpt];
- lnet_counters_t *counters = the_lnet.ln_counters[cpt];
+ lnet_counters_t *counters = the_lnet.ln_counters[cpt];
/* routed message can be committed for both receiving and sending */
LASSERT(!msg->msg_tx_committed);
lnet_msg_decommit_tx(lnet_msg_t *msg, int status)
{
lnet_counters_t *counters;
- lnet_event_t *ev = &msg->msg_ev;
+ lnet_event_t *ev = &msg->msg_ev;
LASSERT(msg->msg_tx_committed);
if (status != 0)
static void
lnet_msg_decommit_rx(lnet_msg_t *msg, int status)
{
- lnet_counters_t *counters;
- lnet_event_t *ev = &msg->msg_ev;
+ lnet_counters_t *counters;
+ lnet_event_t *ev = &msg->msg_ev;
LASSERT(!msg->msg_tx_committed); /* decommitted or never committed */
LASSERT(msg->msg_rx_committed);
void
lnet_msg_decommit(lnet_msg_t *msg, int cpt, int status)
{
- int cpt2 = cpt;
+ int cpt2 = cpt;
LASSERT(msg->msg_tx_committed || msg->msg_rx_committed);
LASSERT(msg->msg_onactivelist);
void
lnet_msg_detach_md(lnet_msg_t *msg, int status)
{
- lnet_libmd_t *md = msg->msg_md;
- int unlink;
+ lnet_libmd_t *md = msg->msg_md;
+ int unlink;
/* Now it's safe to drop my caller's ref */
md->md_refcount--;
lnet_complete_msg_locked(lnet_msg_t *msg, int cpt)
{
lnet_handle_wire_t ack_wmd;
- int rc;
- int status = msg->msg_ev.status;
+ int rc;
+ int status = msg->msg_ev.status;
LASSERT(msg->msg_onactivelist);
void
lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int status)
{
- struct lnet_msg_container *container;
- int my_slot;
- int cpt;
- int rc;
- int i;
+ struct lnet_msg_container *container;
+ int my_slot;
+ int cpt;
+ int rc;
+ int i;
LASSERT(!in_interrupt());
void
lnet_msg_container_cleanup(struct lnet_msg_container *container)
{
- int count = 0;
+ int count = 0;
if (container->msc_init == 0)
return;
int
lnet_msg_container_setup(struct lnet_msg_container *container, int cpt)
{
- int rc;
+ int rc;
container->msc_init = 1;
lnet_msg_containers_destroy(void)
{
struct lnet_msg_container *container;
- int i;
+ int i;
if (the_lnet.ln_msg_containers == NULL)
return;
lnet_msg_containers_create(void)
{
struct lnet_msg_container *container;
- int rc;
- int i;
+ int rc;
+ int i;
the_lnet.ln_msg_containers = cfs_percpt_alloc(lnet_cpt_table(),
sizeof(*container));
#include "../../include/linux/lnet/lib-lnet.h"
/* NB: add /proc interfaces in upcoming patches */
-int portal_rotor = LNET_PTL_ROTOR_HASH_RT;
+int portal_rotor = LNET_PTL_ROTOR_HASH_RT;
module_param(portal_rotor, int, 0644);
MODULE_PARM_DESC(portal_rotor, "redirect PUTs to different cpu-partitions");
lnet_ptl_match_type(unsigned int index, lnet_process_id_t match_id,
__u64 mbits, __u64 ignore_bits)
{
- struct lnet_portal *ptl = the_lnet.ln_portals[index];
- int unique;
+ struct lnet_portal *ptl = the_lnet.ln_portals[index];
+ int unique;
unique = ignore_bits == 0 &&
match_id.nid != LNET_NID_ANY &&
lnet_ptl_enable_mt(struct lnet_portal *ptl, int cpt)
{
struct lnet_match_table *mtable = ptl->ptl_mtables[cpt];
- int i;
+ int i;
/* with hold of both lnet_res_lock(cpt) and lnet_ptl_lock */
LASSERT(lnet_ptl_is_wildcard(ptl));
lnet_ptl_disable_mt(struct lnet_portal *ptl, int cpt)
{
struct lnet_match_table *mtable = ptl->ptl_mtables[cpt];
- int i;
+ int i;
/* with hold of both lnet_res_lock(cpt) and lnet_ptl_lock */
LASSERT(lnet_ptl_is_wildcard(ptl));
{
/* ALWAYS called holding the lnet_res_lock, and can't lnet_res_unlock;
* lnet_match_blocked_msg() relies on this to avoid races */
- unsigned int offset;
- unsigned int mlength;
- lnet_me_t *me = md->md_me;
+ unsigned int offset;
+ unsigned int mlength;
+ lnet_me_t *me = md->md_me;
/* MD exhausted */
if (lnet_md_exhausted(md))
lnet_mt_of_attach(unsigned int index, lnet_process_id_t id,
__u64 mbits, __u64 ignore_bits, lnet_ins_pos_t pos)
{
- struct lnet_portal *ptl;
+ struct lnet_portal *ptl;
struct lnet_match_table *mtable;
/* NB: called w/o lock */
lnet_mt_of_match(struct lnet_match_info *info, struct lnet_msg *msg)
{
struct lnet_match_table *mtable;
- struct lnet_portal *ptl;
- unsigned int nmaps;
- unsigned int rotor;
- unsigned int cpt;
- bool routed;
+ struct lnet_portal *ptl;
+ unsigned int nmaps;
+ unsigned int rotor;
+ unsigned int cpt;
+ bool routed;
/* NB: called w/o lock */
LASSERT(info->mi_portal < the_lnet.ln_nportals);
static int
lnet_mt_test_exhausted(struct lnet_match_table *mtable, int pos)
{
- __u64 *bmap;
- int i;
+ __u64 *bmap;
+ int i;
if (!lnet_ptl_is_wildcard(the_lnet.ln_portals[mtable->mt_portal]))
return 0;
static void
lnet_mt_set_exhausted(struct lnet_match_table *mtable, int pos, int exhausted)
{
- __u64 *bmap;
+ __u64 *bmap;
LASSERT(lnet_ptl_is_wildcard(the_lnet.ln_portals[mtable->mt_portal]));
LASSERT(pos <= LNET_MT_HASH_IGNORE);
lnet_mt_match_md(struct lnet_match_table *mtable,
struct lnet_match_info *info, struct lnet_msg *msg)
{
- struct list_head *head;
- lnet_me_t *me;
- lnet_me_t *tmp;
- int exhausted = 0;
- int rc;
+ struct list_head *head;
+ lnet_me_t *me;
+ lnet_me_t *tmp;
+ int exhausted = 0;
+ int rc;
/* any ME with ignore bits? */
if (!list_empty(&mtable->mt_mhash[LNET_MT_HASH_IGNORE]))
static int
lnet_ptl_match_early(struct lnet_portal *ptl, struct lnet_msg *msg)
{
- int rc;
+ int rc;
/* message arrived before any buffer posting on this portal,
* simply delay or drop this message */
lnet_ptl_match_delay(struct lnet_portal *ptl,
struct lnet_match_info *info, struct lnet_msg *msg)
{
- int first = ptl->ptl_mt_maps[0]; /* read w/o lock */
- int rc = 0;
- int i;
+ int first = ptl->ptl_mt_maps[0]; /* read w/o lock */
+ int rc = 0;
+ int i;
/* steal buffer from other CPTs, and delay it if nothing to steal,
* this function is more expensive than a regular match, but we
for (i = 0; i < LNET_CPT_NUMBER; i++) {
struct lnet_match_table *mtable;
- int cpt;
+ int cpt;
cpt = (first + i) % LNET_CPT_NUMBER;
mtable = ptl->ptl_mtables[cpt];
lnet_ptl_match_md(struct lnet_match_info *info, struct lnet_msg *msg)
{
struct lnet_match_table *mtable;
- struct lnet_portal *ptl;
- int rc;
+ struct lnet_portal *ptl;
+ int rc;
CDEBUG(D_NET, "Request from %s of length %d into portal %d MB=%#llx\n",
libcfs_id2str(info->mi_id), info->mi_rlength, info->mi_portal,
lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md,
struct list_head *matches, struct list_head *drops)
{
- struct lnet_portal *ptl = the_lnet.ln_portals[me->me_portal];
+ struct lnet_portal *ptl = the_lnet.ln_portals[me->me_portal];
struct lnet_match_table *mtable;
- struct list_head *head;
- lnet_msg_t *tmp;
- lnet_msg_t *msg;
- int exhausted = 0;
- int cpt;
+ struct list_head *head;
+ lnet_msg_t *tmp;
+ lnet_msg_t *msg;
+ int exhausted = 0;
+ int cpt;
LASSERT(md->md_refcount == 0); /* a brand new MD */
head = &ptl->ptl_msg_stealing;
again:
list_for_each_entry_safe(msg, tmp, head, msg_list) {
- struct lnet_match_info info;
- lnet_hdr_t *hdr;
- int rc;
+ struct lnet_match_info info;
+ lnet_hdr_t *hdr;
+ int rc;
LASSERT(msg->msg_rx_delayed || head == &ptl->ptl_msg_stealing);
- hdr = &msg->msg_hdr;
- info.mi_id.nid = hdr->src_nid;
- info.mi_id.pid = hdr->src_pid;
- info.mi_opc = LNET_MD_OP_PUT;
- info.mi_portal = hdr->msg.put.ptl_index;
- info.mi_rlength = hdr->payload_length;
- info.mi_roffset = hdr->msg.put.offset;
- info.mi_mbits = hdr->msg.put.match_bits;
+ hdr = &msg->msg_hdr;
+ info.mi_id.nid = hdr->src_nid;
+ info.mi_id.pid = hdr->src_pid;
+ info.mi_opc = LNET_MD_OP_PUT;
+ info.mi_portal = hdr->msg.put.ptl_index;
+ info.mi_rlength = hdr->payload_length;
+ info.mi_roffset = hdr->msg.put.offset;
+ info.mi_mbits = hdr->msg.put.match_bits;
rc = lnet_try_match_md(md, &info, msg);
lnet_ptl_cleanup(struct lnet_portal *ptl)
{
struct lnet_match_table *mtable;
- int i;
+ int i;
if (ptl->ptl_mtables == NULL) /* uninitialized portal */
return;
LASSERT(list_empty(&ptl->ptl_msg_delayed));
LASSERT(list_empty(&ptl->ptl_msg_stealing));
cfs_percpt_for_each(mtable, i, ptl->ptl_mtables) {
- struct list_head *mhash;
- lnet_me_t *me;
- int j;
+ struct list_head *mhash;
+ lnet_me_t *me;
+ int j;
if (mtable->mt_mhash == NULL) /* uninitialized match-table */
continue;
lnet_ptl_setup(struct lnet_portal *ptl, int index)
{
struct lnet_match_table *mtable;
- struct list_head *mhash;
- int i;
- int j;
+ struct list_head *mhash;
+ int i;
+ int j;
ptl->ptl_mtables = cfs_percpt_alloc(lnet_cpt_table(),
sizeof(struct lnet_match_table));
void
lnet_portals_destroy(void)
{
- int i;
+ int i;
if (the_lnet.ln_portals == NULL)
return;
int
lnet_portals_create(void)
{
- int size;
- int i;
+ int size;
+ int i;
size = offsetof(struct lnet_portal, ptl_mt_maps[LNET_CPT_NUMBER]);
int
LNetClearLazyPortal(int portal)
{
- struct lnet_portal *ptl;
- LIST_HEAD (zombies);
+ struct lnet_portal *ptl;
+ LIST_HEAD(zombies);
if (portal < 0 || portal >= the_lnet.ln_nportals)
return -EINVAL;
/* .lnd_type = */ LOLND,
/* .lnd_startup = */ lolnd_startup,
/* .lnd_shutdown = */ lolnd_shutdown,
- /* .lnt_ctl = */ NULL,
+ /* .lnt_ctl = */ NULL,
/* .lnd_send = */ lolnd_send,
/* .lnd_recv = */ lolnd_recv,
/* .lnd_eager_recv = */ NULL,
lnet_configure(void *arg)
{
/* 'arg' only there so I can be passed to cfs_create_thread() */
- int rc = 0;
+ int rc = 0;
LNET_MUTEX_LOCK(&lnet_config_mutex);
static int
lnet_unconfigure(void)
{
- int refcount;
+ int refcount;
LNET_MUTEX_LOCK(&lnet_config_mutex);
static int
lnet_ioctl(unsigned int cmd, struct libcfs_ioctl_data *data)
{
- int rc;
+ int rc;
switch (cmd) {
case IOC_LIBCFS_CONFIGURE:
static int __init
init_lnet(void)
{
- int rc;
+ int rc;
mutex_init(&lnet_config_mutex);
int
lnet_peer_tables_create(void)
{
- struct lnet_peer_table *ptable;
- struct list_head *hash;
- int i;
- int j;
+ struct lnet_peer_table *ptable;
+ struct list_head *hash;
+ int i;
+ int j;
the_lnet.ln_peer_tables = cfs_percpt_alloc(lnet_cpt_table(),
sizeof(*ptable));
void
lnet_peer_tables_destroy(void)
{
- struct lnet_peer_table *ptable;
- struct list_head *hash;
- int i;
- int j;
+ struct lnet_peer_table *ptable;
+ struct list_head *hash;
+ int i;
+ int j;
if (the_lnet.ln_peer_tables == NULL)
return;
void
lnet_peer_tables_cleanup(void)
{
- struct lnet_peer_table *ptable;
- int i;
- int j;
+ struct lnet_peer_table *ptable;
+ int i;
+ int j;
LASSERT(the_lnet.ln_shutdown); /* i.e. no new peers */
cfs_percpt_for_each(ptable, i, the_lnet.ln_peer_tables) {
LIST_HEAD(deathrow);
- lnet_peer_t *lp;
+ lnet_peer_t *lp;
lnet_net_lock(i);
lnet_peer_t *
lnet_find_peer_locked(struct lnet_peer_table *ptable, lnet_nid_t nid)
{
- struct list_head *peers;
- lnet_peer_t *lp;
+ struct list_head *peers;
+ lnet_peer_t *lp;
LASSERT(!the_lnet.ln_shutdown);
int
lnet_nid2peer_locked(lnet_peer_t **lpp, lnet_nid_t nid, int cpt)
{
- struct lnet_peer_table *ptable;
- lnet_peer_t *lp = NULL;
- lnet_peer_t *lp2;
- int cpt2;
- int rc = 0;
+ struct lnet_peer_table *ptable;
+ lnet_peer_t *lp = NULL;
+ lnet_peer_t *lp2;
+ int cpt2;
+ int rc = 0;
*lpp = NULL;
if (the_lnet.ln_shutdown) /* it's shutting down */
goto out;
}
- lp->lp_txcredits =
- lp->lp_mintxcredits = lp->lp_ni->ni_peertxcredits;
+ lp->lp_txcredits =
+ lp->lp_mintxcredits = lp->lp_ni->ni_peertxcredits;
lp->lp_rtrcredits =
lp->lp_minrtrcredits = lnet_peer_buffer_credits(lp->lp_ni);
void
lnet_debug_peer(lnet_nid_t nid)
{
- char *aliveness = "NA";
- lnet_peer_t *lp;
- int rc;
- int cpt;
+ char *aliveness = "NA";
+ lnet_peer_t *lp;
+ int rc;
+ int cpt;
cpt = lnet_cpt_of_nid(nid);
lnet_net_lock(cpt);
static void
lnet_ni_notify_locked(lnet_ni_t *ni, lnet_peer_t *lp)
{
- int alive;
- int notifylnd;
+ int alive;
+ int notifylnd;
/* Notify only in 1 thread at any time to ensure ordered notification.
* NB individual events can be missed; the only guarantee is that you
lp->lp_notifying = 1;
while (lp->lp_notify) {
- alive = lp->lp_alive;
+ alive = lp->lp_alive;
notifylnd = lp->lp_notifylnd;
lp->lp_notifylnd = 0;
lnet_remotenet_t *
lnet_find_net_locked(__u32 net)
{
- lnet_remotenet_t *rnet;
- struct list_head *tmp;
- struct list_head *rn_list;
+ lnet_remotenet_t *rnet;
+ struct list_head *tmp;
+ struct list_head *rn_list;
LASSERT(!the_lnet.ln_shutdown);
static void
lnet_add_route_to_rnet(lnet_remotenet_t *rnet, lnet_route_t *route)
{
- unsigned int len = 0;
- unsigned int offset = 0;
- struct list_head *e;
+ unsigned int len = 0;
+ unsigned int offset = 0;
+ struct list_head *e;
lnet_shuffle_seed();
lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway,
unsigned int priority)
{
- struct list_head *e;
- lnet_remotenet_t *rnet;
- lnet_remotenet_t *rnet2;
- lnet_route_t *route;
- lnet_ni_t *ni;
- int add_route;
- int rc;
+ struct list_head *e;
+ lnet_remotenet_t *rnet;
+ lnet_remotenet_t *rnet2;
+ lnet_route_t *route;
+ lnet_ni_t *ni;
+ int add_route;
+ int rc;
CDEBUG(D_NET, "Add route: net %s hops %u priority %u gw %s\n",
libcfs_net2str(net), hops, priority, libcfs_nid2str(gateway));
int
lnet_check_routes(void)
{
- lnet_remotenet_t *rnet;
- lnet_route_t *route;
- lnet_route_t *route2;
- struct list_head *e1;
- struct list_head *e2;
- int cpt;
- struct list_head *rn_list;
- int i;
+ lnet_remotenet_t *rnet;
+ lnet_route_t *route;
+ lnet_route_t *route2;
+ struct list_head *e1;
+ struct list_head *e2;
+ int cpt;
+ struct list_head *rn_list;
+ int i;
cpt = lnet_net_lock_current();
route2 = NULL;
list_for_each(e2, &rnet->lrn_routes) {
- lnet_nid_t nid1;
- lnet_nid_t nid2;
- int net;
+ lnet_nid_t nid1;
+ lnet_nid_t nid2;
+ int net;
route = list_entry(e2, lnet_route_t,
lr_list);
int
lnet_del_route(__u32 net, lnet_nid_t gw_nid)
{
- struct lnet_peer *gateway;
- lnet_remotenet_t *rnet;
- lnet_route_t *route;
- struct list_head *e1;
- struct list_head *e2;
- int rc = -ENOENT;
- struct list_head *rn_list;
- int idx = 0;
+ struct lnet_peer *gateway;
+ lnet_remotenet_t *rnet;
+ lnet_route_t *route;
+ struct list_head *e1;
+ struct list_head *e2;
+ int rc = -ENOENT;
+ struct list_head *rn_list;
+ int idx = 0;
CDEBUG(D_NET, "Del route: net %s : gw %s\n",
libcfs_net2str(net), libcfs_nid2str(gw_nid));
lnet_get_route(int idx, __u32 *net, __u32 *hops,
lnet_nid_t *gateway, __u32 *alive, __u32 *priority)
{
- struct list_head *e1;
- struct list_head *e2;
- lnet_remotenet_t *rnet;
- lnet_route_t *route;
- int cpt;
- int i;
- struct list_head *rn_list;
+ struct list_head *e1;
+ struct list_head *e2;
+ lnet_remotenet_t *rnet;
+ lnet_route_t *route;
+ int cpt;
+ int i;
+ struct list_head *rn_list;
cpt = lnet_net_lock_current();
lr_list);
if (idx-- == 0) {
- *net = rnet->lrn_net;
- *hops = route->lr_hops;
+ *net = rnet->lrn_net;
+ *hops = route->lr_hops;
*priority = route->lr_priority;
*gateway = route->lr_gateway->lp_nid;
- *alive = route->lr_gateway->lp_alive;
+ *alive = route->lr_gateway->lp_alive;
lnet_net_unlock(cpt);
return 0;
}
void
lnet_swap_pinginfo(lnet_ping_info_t *info)
{
- int i;
+ int i;
lnet_ni_status_t *stat;
__swab32s(&info->pi_magic);
static void
lnet_parse_rc_info(lnet_rc_data_t *rcd)
{
- lnet_ping_info_t *info = rcd->rcd_pinginfo;
- struct lnet_peer *gw = rcd->rcd_gateway;
- lnet_route_t *rtr;
+ lnet_ping_info_t *info = rcd->rcd_pinginfo;
+ struct lnet_peer *gw = rcd->rcd_gateway;
+ lnet_route_t *rtr;
if (!gw->lp_alive)
return;
return; /* can't carry NI status info */
list_for_each_entry(rtr, &gw->lp_routes, lr_gwlist) {
- int ptl_status = LNET_NI_STATUS_INVALID;
- int down = 0;
- int up = 0;
- int i;
+ int ptl_status = LNET_NI_STATUS_INVALID;
+ int down = 0;
+ int up = 0;
+ int i;
for (i = 0; i < info->pi_nnis && i < LNET_MAX_RTR_NIS; i++) {
lnet_ni_status_t *stat = &info->pi_ni[i];
- lnet_nid_t nid = stat->ns_nid;
+ lnet_nid_t nid = stat->ns_nid;
if (nid == LNET_NID_ANY) {
CDEBUG(D_NET, "%s: unexpected LNET_NID_ANY\n",
static void
lnet_router_checker_event(lnet_event_t *event)
{
- lnet_rc_data_t *rcd = event->md.user_ptr;
- struct lnet_peer *lp;
+ lnet_rc_data_t *rcd = event->md.user_ptr;
+ struct lnet_peer *lp;
LASSERT(rcd != NULL);
static void
lnet_wait_known_routerstate(void)
{
- lnet_peer_t *rtr;
- struct list_head *entry;
- int all_known;
+ lnet_peer_t *rtr;
+ struct list_head *entry;
+ int all_known;
LASSERT(the_lnet.ln_rc_state == LNET_RC_STATE_RUNNING);
for (;;) {
- int cpt = lnet_net_lock_current();
+ int cpt = lnet_net_lock_current();
all_known = 1;
list_for_each(entry, &the_lnet.ln_routers) {
static void
lnet_update_ni_status_locked(void)
{
- lnet_ni_t *ni;
- long now;
- int timeout;
+ lnet_ni_t *ni;
+ long now;
+ int timeout;
LASSERT(the_lnet.ln_routing);
static lnet_rc_data_t *
lnet_create_rc_data_locked(lnet_peer_t *gateway)
{
- lnet_rc_data_t *rcd = NULL;
- lnet_ping_info_t *pi;
- int rc;
- int i;
+ lnet_rc_data_t *rcd = NULL;
+ lnet_ping_info_t *pi;
+ int rc;
+ int i;
lnet_net_unlock(gateway->lp_cpt);
lnet_ping_router_locked(lnet_peer_t *rtr)
{
lnet_rc_data_t *rcd = NULL;
- unsigned long now = cfs_time_current();
- int secs;
+ unsigned long now = cfs_time_current();
+ int secs;
lnet_peer_addref_locked(rtr);
if (secs != 0 && !rtr->lp_ping_notsent &&
cfs_time_after(now, cfs_time_add(rtr->lp_ping_timestamp,
cfs_time_seconds(secs)))) {
- int rc;
+ int rc;
lnet_process_id_t id;
- lnet_handle_md_t mdh;
+ lnet_handle_md_t mdh;
id.nid = rtr->lp_nid;
id.pid = LUSTRE_SRV_LNET_PID;
int
lnet_router_checker_start(void)
{
- int rc;
- int eqsz;
+ int rc;
+ int eqsz;
LASSERT(the_lnet.ln_rc_state == LNET_RC_STATE_SHUTDOWN);
static void
lnet_prune_rc_data(int wait_unlink)
{
- lnet_rc_data_t *rcd;
- lnet_rc_data_t *tmp;
- lnet_peer_t *lp;
- struct list_head head;
- int i = 2;
+ lnet_rc_data_t *rcd;
+ lnet_rc_data_t *tmp;
+ lnet_peer_t *lp;
+ struct list_head head;
+ int i = 2;
if (likely(the_lnet.ln_rc_state == LNET_RC_STATE_RUNNING &&
list_empty(&the_lnet.ln_rcd_deathrow) &&
static int
lnet_router_checker(void *arg)
{
- lnet_peer_t *rtr;
- struct list_head *entry;
+ lnet_peer_t *rtr;
+ struct list_head *entry;
cfs_block_allsigs();
LASSERT(the_lnet.ln_rc_state == LNET_RC_STATE_RUNNING);
while (the_lnet.ln_rc_state == LNET_RC_STATE_RUNNING) {
- __u64 version;
- int cpt;
- int cpt2;
+ __u64 version;
+ int cpt;
+ int cpt2;
cpt = lnet_net_lock_current();
rescan:
static lnet_rtrbuf_t *
lnet_new_rtrbuf(lnet_rtrbufpool_t *rbp, int cpt)
{
- int npages = rbp->rbp_npages;
- int sz = offsetof(lnet_rtrbuf_t, rb_kiov[npages]);
- struct page *page;
+ int npages = rbp->rbp_npages;
+ int sz = offsetof(lnet_rtrbuf_t, rb_kiov[npages]);
+ struct page *page;
lnet_rtrbuf_t *rb;
- int i;
+ int i;
LIBCFS_CPT_ALLOC(rb, lnet_cpt_table(), cpt, sz);
if (rb == NULL)
static void
lnet_rtrpool_free_bufs(lnet_rtrbufpool_t *rbp)
{
- int npages = rbp->rbp_npages;
- int nbuffers = 0;
- lnet_rtrbuf_t *rb;
+ int npages = rbp->rbp_npages;
+ int nbuffers = 0;
+ lnet_rtrbuf_t *rb;
if (rbp->rbp_nbuffers == 0) /* not initialized or already freed */
return;
lnet_rtrpool_alloc_bufs(lnet_rtrbufpool_t *rbp, int nbufs, int cpt)
{
lnet_rtrbuf_t *rb;
- int i;
+ int i;
if (rbp->rbp_nbuffers != 0) {
LASSERT(rbp->rbp_nbuffers == nbufs);
lnet_rtrpools_free(void)
{
lnet_rtrbufpool_t *rtrp;
- int i;
+ int i;
if (the_lnet.ln_rtrpools == NULL) /* uninitialized or freed */
return;
static int
lnet_nrb_tiny_calculate(int npages)
{
- int nrbs = LNET_NRB_TINY;
+ int nrbs = LNET_NRB_TINY;
if (tiny_router_buffers < 0) {
LCONSOLE_ERROR_MSG(0x10c,
static int
lnet_nrb_small_calculate(int npages)
{
- int nrbs = LNET_NRB_SMALL;
+ int nrbs = LNET_NRB_SMALL;
if (small_router_buffers < 0) {
LCONSOLE_ERROR_MSG(0x10c,
static int
lnet_nrb_large_calculate(int npages)
{
- int nrbs = LNET_NRB_LARGE;
+ int nrbs = LNET_NRB_LARGE;
if (large_router_buffers < 0) {
LCONSOLE_ERROR_MSG(0x10c,
lnet_rtrpools_alloc(int im_a_router)
{
lnet_rtrbufpool_t *rtrp;
- int large_pages;
- int small_pages = 1;
- int nrb_tiny;
- int nrb_small;
- int nrb_large;
- int rc;
- int i;
+ int large_pages;
+ int small_pages = 1;
+ int nrb_tiny;
+ int nrb_small;
+ int nrb_large;
+ int rc;
+ int i;
large_pages = (LNET_MTU + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
int
lnet_notify(lnet_ni_t *ni, lnet_nid_t nid, int alive, unsigned long when)
{
- struct lnet_peer *lp = NULL;
- unsigned long now = cfs_time_current();
- int cpt = lnet_cpt_of_nid(nid);
+ struct lnet_peer *lp = NULL;
+ unsigned long now = cfs_time_current();
+ int cpt = lnet_cpt_of_nid(nid);
LASSERT(!in_interrupt ());
lnet_router_checker(void)
{
static time_t last;
- static int running;
+ static int running;
- time_t now = get_seconds();
- int interval = now - last;
- int rc;
- __u64 version;
- lnet_peer_t *rtr;
+ time_t now = get_seconds();
+ int interval = now - last;
+ int rc;
+ __u64 version;
+ lnet_peer_t *rtr;
/* It's no use to call me again within a sec - all intervals and
* timeouts are measured in seconds */
/* consume all pending events */
while (1) {
- int i;
+ int i;
lnet_event_t ev;
/* NB ln_rc_eqh must be the 1st in 'eventqs' otherwise the
static int __proc_lnet_stats(void *data, int write,
loff_t pos, void __user *buffer, int nob)
{
- int rc;
+ int rc;
lnet_counters_t *ctrs;
- int len;
- char *tmpstr;
- const int tmpsiz = 256; /* 7 %u and 4 %llu */
+ int len;
+ char *tmpstr;
+ const int tmpsiz = 256; /* 7 %u and 4 %llu */
if (write) {
lnet_counters_reset();
static int proc_lnet_routes(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- const int tmpsiz = 256;
- char *tmpstr;
- char *s;
- int rc = 0;
- int len;
- int ver;
- int off;
+ const int tmpsiz = 256;
+ char *tmpstr;
+ char *s;
+ int rc = 0;
+ int len;
+ int ver;
+ int off;
CLASSERT(sizeof(loff_t) >= 4);
lnet_net_unlock(0);
*ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
} else {
- struct list_head *n;
- struct list_head *r;
- lnet_route_t *route = NULL;
- lnet_remotenet_t *rnet = NULL;
- int skip = off - 1;
- struct list_head *rn_list;
- int i;
+ struct list_head *n;
+ struct list_head *r;
+ lnet_route_t *route = NULL;
+ lnet_remotenet_t *rnet = NULL;
+ int skip = off - 1;
+ struct list_head *rn_list;
+ int i;
lnet_net_lock(0);
}
if (route != NULL) {
- __u32 net = rnet->lrn_net;
- unsigned int hops = route->lr_hops;
- unsigned int priority = route->lr_priority;
- lnet_nid_t nid = route->lr_gateway->lp_nid;
- int alive = route->lr_gateway->lp_alive;
+ __u32 net = rnet->lrn_net;
+ unsigned int hops = route->lr_hops;
+ unsigned int priority = route->lr_priority;
+ lnet_nid_t nid = route->lr_gateway->lp_nid;
+ int alive = route->lr_gateway->lp_alive;
s += snprintf(s, tmpstr + tmpsiz - s,
"%-8s %4u %8u %7s %s\n",
static int proc_lnet_routers(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- int rc = 0;
- char *tmpstr;
- char *s;
- const int tmpsiz = 256;
- int len;
- int ver;
- int off;
+ int rc = 0;
+ char *tmpstr;
+ char *s;
+ const int tmpsiz = 256;
+ int len;
+ int ver;
+ int off;
off = LNET_PROC_HOFF_GET(*ppos);
ver = LNET_PROC_VER_GET(*ppos);
lnet_net_unlock(0);
*ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
} else {
- struct list_head *r;
- struct lnet_peer *peer = NULL;
- int skip = off - 1;
+ struct list_head *r;
+ struct lnet_peer *peer = NULL;
+ int skip = off - 1;
lnet_net_lock(0);
lnet_nid_t nid = peer->lp_nid;
unsigned long now = cfs_time_current();
unsigned long deadline = peer->lp_ping_deadline;
- int nrefs = peer->lp_refcount;
- int nrtrrefs = peer->lp_rtr_refcount;
+ int nrefs = peer->lp_refcount;
+ int nrtrrefs = peer->lp_rtr_refcount;
int alive_cnt = peer->lp_alive_count;
- int alive = peer->lp_alive;
- int pingsent = !peer->lp_ping_notsent;
+ int alive = peer->lp_alive;
+ int pingsent = !peer->lp_ping_notsent;
int last_ping = cfs_duration_sec(cfs_time_sub(now,
peer->lp_ping_timestamp));
- int down_ni = 0;
+ int down_ni = 0;
lnet_route_t *rtr;
if ((peer->lp_ping_feats &
static int proc_lnet_peers(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- const int tmpsiz = 256;
- struct lnet_peer_table *ptable;
- char *tmpstr;
- char *s;
- int cpt = LNET_PROC_CPT_GET(*ppos);
- int ver = LNET_PROC_VER_GET(*ppos);
- int hash = LNET_PROC_HASH_GET(*ppos);
- int hoff = LNET_PROC_HOFF_GET(*ppos);
- int rc = 0;
- int len;
+ const int tmpsiz = 256;
+ struct lnet_peer_table *ptable;
+ char *tmpstr;
+ char *s;
+ int cpt = LNET_PROC_CPT_GET(*ppos);
+ int ver = LNET_PROC_VER_GET(*ppos);
+ int hash = LNET_PROC_HASH_GET(*ppos);
+ int hoff = LNET_PROC_HOFF_GET(*ppos);
+ int rc = 0;
+ int len;
CLASSERT(LNET_PROC_HASH_BITS >= LNET_PEER_HASH_BITS);
LASSERT(!write);
hoff++;
} else {
- struct lnet_peer *peer;
- struct list_head *p;
- int skip;
+ struct lnet_peer *peer;
+ struct list_head *p;
+ int skip;
again:
p = NULL;
peer = NULL;
}
if (peer != NULL) {
- lnet_nid_t nid = peer->lp_nid;
- int nrefs = peer->lp_refcount;
- int lastalive = -1;
- char *aliveness = "NA";
- int maxcr = peer->lp_ni->ni_peertxcredits;
- int txcr = peer->lp_txcredits;
- int mintxcr = peer->lp_mintxcredits;
- int rtrcr = peer->lp_rtrcredits;
- int minrtrcr = peer->lp_minrtrcredits;
- int txqnob = peer->lp_txqnob;
+ lnet_nid_t nid = peer->lp_nid;
+ int nrefs = peer->lp_refcount;
+ int lastalive = -1;
+ char *aliveness = "NA";
+ int maxcr = peer->lp_ni->ni_peertxcredits;
+ int txcr = peer->lp_txcredits;
+ int mintxcr = peer->lp_mintxcredits;
+ int rtrcr = peer->lp_rtrcredits;
+ int minrtrcr = peer->lp_minrtrcredits;
+ int txqnob = peer->lp_txqnob;
if (lnet_isrouter(peer) ||
lnet_peer_aliveness_enabled(peer))
aliveness = peer->lp_alive ? "up" : "down";
if (lnet_peer_aliveness_enabled(peer)) {
- unsigned long now = cfs_time_current();
+ unsigned long now = cfs_time_current();
long delta;
delta = cfs_time_sub(now, peer->lp_last_alive);
static int __proc_lnet_buffers(void *data, int write,
loff_t pos, void __user *buffer, int nob)
{
- char *s;
- char *tmpstr;
- int tmpsiz;
- int idx;
- int len;
- int rc;
- int i;
+ char *s;
+ char *tmpstr;
+ int tmpsiz;
+ int idx;
+ int len;
+ int rc;
+ int i;
LASSERT(!write);
static int proc_lnet_nis(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
- int tmpsiz = 128 * LNET_CPT_NUMBER;
- int rc = 0;
- char *tmpstr;
- char *s;
- int len;
+ int tmpsiz = 128 * LNET_CPT_NUMBER;
+ int rc = 0;
+ char *tmpstr;
+ char *s;
+ int len;
LASSERT(!write);
"rtr", "max", "tx", "min");
LASSERT(tmpstr + tmpsiz - s > 0);
} else {
- struct list_head *n;
- lnet_ni_t *ni = NULL;
- int skip = *ppos - 1;
+ struct list_head *n;
+ lnet_ni_t *ni = NULL;
+ int skip = *ppos - 1;
lnet_net_lock(0);
}
if (ni != NULL) {
- struct lnet_tx_queue *tq;
- char *stat;
- long now = get_seconds();
- int last_alive = -1;
- int i;
- int j;
+ struct lnet_tx_queue *tq;
+ char *stat;
+ long now = get_seconds();
+ int last_alive = -1;
+ int i;
+ int j;
if (the_lnet.ln_routing)
last_alive = now - ni->ni_last_alive;
}
struct lnet_portal_rotors {
- int pr_value;
- const char *pr_name;
- const char *pr_desc;
+ int pr_value;
+ const char *pr_name;
+ const char *pr_desc;
};
static struct lnet_portal_rotors portal_rotors[] = {
static int __proc_lnet_portal_rotor(void *data, int write,
loff_t pos, void __user *buffer, int nob)
{
- const int buf_len = 128;
- char *buf;
- char *tmp;
- int rc;
- int i;
+ const int buf_len = 128;
+ char *buf;
+ char *tmp;
+ int rc;
+ int i;
LIBCFS_ALLOC(buf, buf_len);
if (buf == NULL)
* to go via /proc for portability.
*/
{
- .procname = "stats",
- .mode = 0644,
+ .procname = "stats",
+ .mode = 0644,
.proc_handler = &proc_lnet_stats,
},
{
- .procname = "routes",
- .mode = 0444,
+ .procname = "routes",
+ .mode = 0444,
.proc_handler = &proc_lnet_routes,
},
{
- .procname = "routers",
- .mode = 0444,
+ .procname = "routers",
+ .mode = 0444,
.proc_handler = &proc_lnet_routers,
},
{
- .procname = "peers",
- .mode = 0444,
+ .procname = "peers",
+ .mode = 0444,
.proc_handler = &proc_lnet_peers,
},
{
- .procname = "buffers",
- .mode = 0444,
+ .procname = "buffers",
+ .mode = 0444,
.proc_handler = &proc_lnet_buffers,
},
{
- .procname = "nis",
- .mode = 0444,
+ .procname = "nis",
+ .mode = 0444,
.proc_handler = &proc_lnet_nis,
},
{
- .procname = "portal_rotor",
- .mode = 0644,
+ .procname = "portal_rotor",
+ .mode = 0644,
.proc_handler = &proc_lnet_portal_rotor,
},
{
projects / platform / kernel / linux-exynos.git / commitdiff