if (rc <= 0) /* sent nothing? */
return (rc);
-
+
nob = rc;
LASSERT (nob <= tx->tx_resid);
tx->tx_resid -= nob;
{
int rc;
int bufnob;
-
+
if (ksocknal_data.ksnd_stall_tx != 0) {
set_current_state (TASK_UNINTERRUPTIBLE);
schedule_timeout (cfs_time_seconds(ksocknal_data.ksnd_stall_tx));
bufnob = SOCK_WMEM_QUEUED(conn->ksnc_sock);
if (rc > 0) /* sent something? */
conn->ksnc_tx_bufnob += rc; /* account it */
-
+
if (bufnob < conn->ksnc_tx_bufnob) {
/* allocated send buffer bytes < computed; infer
* something got ACKed */
sched = conn->ksnc_scheduler;
spin_lock_irqsave(&sched->kss_lock, flags);
-
+
if (!SOCK_TEST_NOSPACE(conn->ksnc_sock) &&
!conn->ksnc_tx_ready) {
/* SOCK_NOSPACE is set when the socket fills
/* received something... */
nob = rc;
-
+
conn->ksnc_peer->ksnp_last_alive = cfs_time_current();
conn->ksnc_rx_deadline = cfs_time_shift (ksocknal_tunables.ksnd_io_timeout);
mb(); /* order with setting rx_started */
conn->ksnc_rx_started = 1;
-
+
conn->ksnc_rx_nob_wanted -= nob;
conn->ksnc_rx_nob_left -= nob;
/* Never touch conn->ksnc_rx_kiov or change connection
* status inside ksocknal_lib_recv_iov */
rc = ksocknal_lib_recv_kiov(conn);
-
+
if (rc <= 0)
return (rc);
-
+
/* received something... */
nob = rc;
conn->ksnc_rx_nob_wanted -= nob;
conn->ksnc_rx_nob_left -= nob;
-
+
do {
LASSERT (conn->ksnc_rx_nkiov > 0);
* progress/completion. */
int rc;
ENTRY;
-
+
if (ksocknal_data.ksnd_stall_rx != 0) {
set_current_state (TASK_UNINTERRUPTIBLE);
schedule_timeout(cfs_time_seconds (ksocknal_data.ksnd_stall_rx));
#if SOCKNAL_ZC
if (atomic_read (&tx->tx_zccd.zccd_count) != 1) {
ksock_conn_t *conn = tx->tx_conn;
-
+
/* zccd skbufs are still in-flight. First take a ref on
* conn, so it hangs about for ksocknal_tx_done... */
atomic_inc (&conn->ksnc_refcount);
{
unsigned long flags;
int rc;
-
+
rc = ksocknal_transmit (conn, tx);
CDEBUG (D_NET, "send(%d) %d\n", tx->tx_resid, rc);
SOCKNAL_ENOMEM_RETRY),
ksocknal_data.ksnd_reaper_waketime))
cfs_waitq_signal (&ksocknal_data.ksnd_reaper_waitq);
-
+
spin_unlock_irqrestore(&ksocknal_data.ksnd_reaper_lock, flags);
return (rc);
}
HIPQUAD(conn->ksnc_ipaddr), rc);
break;
}
- CERROR("[%p] Error %d on write to "LPX64
+ CDEBUG(D_HA, "[%p] Error %d on write to "LPX64
" ip %d.%d.%d.%d:%d\n", conn, rc,
conn->ksnc_peer->ksnp_nid,
HIPQUAD(conn->ksnc_ipaddr),
/* called holding write lock on ksnd_global_lock */
LASSERT (!route->ksnr_connecting);
-
+
route->ksnr_connecting = 1; /* scheduling conn for autoconnectd */
atomic_inc (&route->ksnr_refcount); /* extra ref for autoconnectd */
-
+
spin_lock_irqsave (&ksocknal_data.ksnd_autoconnectd_lock, flags);
-
+
list_add_tail (&route->ksnr_connect_list,
&ksocknal_data.ksnd_autoconnectd_routes);
cfs_waitq_signal (&ksocknal_data.ksnd_autoconnectd_waitq);
-
+
spin_unlock_irqrestore (&ksocknal_data.ksnd_autoconnectd_lock, flags);
}
* ksnc_sock... */
LASSERT(!conn->ksnc_closing);
LASSERT(tx->tx_resid == tx->tx_nob);
-
+
CDEBUG (D_NET, "Sending to "LPX64" ip %d.%d.%d.%d:%d\n",
conn->ksnc_peer->ksnp_nid,
HIPQUAD(conn->ksnc_ipaddr),
}
list_add_tail (&tx->tx_list, &conn->ksnc_tx_queue);
-
+
if (conn->ksnc_tx_ready && /* able to send */
!conn->ksnc_tx_scheduled) { /* not scheduled to send */
/* +1 ref for scheduler */
struct list_head *tmp;
ksock_route_t *route;
int bits;
-
+
list_for_each (tmp, &peer->ksnp_routes) {
route = list_entry (tmp, ksock_route_t, ksnr_list);
bits = route->ksnr_connected;
if ((bits & (1 << SOCKNAL_CONN_ANY)) != 0)
continue;
}
-
+
/* connection being established? */
if (route->ksnr_connecting)
continue;
/* too soon to retry this guy? */
if (!cfs_time_aftereq (cfs_time_current(), route->ksnr_timeout))
continue;
-
+
return (route);
}
-
+
return (NULL);
}
list_for_each (tmp, &peer->ksnp_routes) {
route = list_entry (tmp, ksock_route_t, ksnr_list);
-
+
if (route->ksnr_connecting)
return (route);
}
-
+
return (NULL);
}
ksock_conn_t *conn;
ksock_route_t *route;
rwlock_t *g_lock;
-
+
/* Ensure the frags we've been given EXACTLY match the number of
* bytes we want to send. Many TCP/IP stacks disregard any total
* size parameters passed to them and just look at the frags.
return (0);
}
}
-
+
/* I'll need a write lock... */
read_unlock (g_lock);
#endif
write_unlock_irqrestore (g_lock, flags);
return (0);
}
-
+
write_unlock_irqrestore (g_lock, flags);
return (-EHOSTUNREACH);
}
LASSERT (payload_kiov == NULL || !in_interrupt ());
/* payload is either all vaddrs or all pages */
LASSERT (!(payload_kiov != NULL && payload_iov != NULL));
-
+
if (payload_iov != NULL)
desc_size = offsetof(ksock_ltx_t, ltx_iov[1 + payload_niov]);
else
desc_size = offsetof(ksock_ltx_t, ltx_kiov[payload_niov]);
-
+
if (in_interrupt() ||
type == PTL_MSG_ACK ||
type == PTL_MSG_REPLY) {
} else {
PORTAL_ALLOC(ltx, desc_size);
}
-
+
if (ltx == NULL) {
CERROR("Can't allocate tx desc type %d size %d %s\n",
type, desc_size, in_interrupt() ? "(intr)" : "");
atomic_inc(&ksocknal_data.ksnd_nactive_ltxs);
ltx->ltx_desc_size = desc_size;
-
+
/* We always have 1 mapped frag for the header */
ltx->ltx_tx.tx_iov = ltx->ltx_iov;
ltx->ltx_iov[0].iov_base = <x->ltx_hdr;
ltx->ltx_iov[0].iov_len = sizeof(*hdr);
ltx->ltx_hdr = *hdr;
-
+
ltx->ltx_private = private;
ltx->ltx_cookie = cookie;
-
+
ltx->ltx_tx.tx_isfwd = 0;
ltx->ltx_tx.tx_nob = sizeof (*hdr) + payload_nob;
rc = ksocknal_launch_packet(<x->ltx_tx, nid);
if (rc == 0)
return (PTL_OK);
-
+
ksocknal_free_ltx(ltx);
return (PTL_FAIL);
}
ptl_nid_t nid = fwd->kprfd_gateway_nid;
ksock_ftx_t *ftx = (ksock_ftx_t *)&fwd->kprfd_scratch;
int rc;
-
+
CDEBUG (D_NET, "Forwarding [%p] -> "LPX64" ("LPX64"))\n", fwd,
fwd->kprfd_gateway_nid, fwd->kprfd_target_nid);
conn->ksnc_cookie = fmb; /* stash fmb for later */
conn->ksnc_rx_state = SOCKNAL_RX_BODY_FWD; /* read in the payload */
-
+
/* Set up conn->ksnc_rx_kiov to read the payload into fmb's kiov-ed
* buffer */
LASSERT (niov <= sizeof(conn->ksnc_rx_iov_space)/sizeof(ptl_kiov_t));
conn->ksnc_rx_nkiov = niov;
conn->ksnc_rx_kiov = conn->ksnc_rx_iov_space.kiov;
memcpy(conn->ksnc_rx_kiov, fmb->fmb_kiov, niov * sizeof(ptl_kiov_t));
-
+
CDEBUG (D_NET, "%p "LPX64"->"LPX64" %d reading body\n", conn,
le64_to_cpu(conn->ksnc_hdr.src_nid), dest_nid, payload_nob);
return (0);
if (nob_to_skip == 0) { /* right at next packet boundary now */
conn->ksnc_rx_started = 0;
mb (); /* racing with timeout thread */
-
+
conn->ksnc_rx_state = SOCKNAL_RX_HEADER;
conn->ksnc_rx_nob_wanted = sizeof (ptl_hdr_t);
conn->ksnc_rx_nob_left = sizeof (ptl_hdr_t);
{
ksock_fmb_t *fmb;
int rc;
-
+
LASSERT (atomic_read (&conn->ksnc_refcount) > 0);
/* doesn't need a forwarding buffer */
/* short read */
return (-EAGAIN);
}
-
+
switch (conn->ksnc_rx_state) {
case SOCKNAL_RX_HEADER:
if (conn->ksnc_hdr.type != cpu_to_le32(PTL_MSG_HELLO) &&
LASSERT (mlen <= rlen);
LASSERT (niov <= PTL_MD_MAX_IOV);
-
+
conn->ksnc_cookie = msg;
conn->ksnc_rx_nob_wanted = mlen;
conn->ksnc_rx_nob_left = rlen;
LASSERT (mlen <= rlen);
LASSERT (niov <= PTL_MD_MAX_IOV);
-
+
conn->ksnc_cookie = msg;
conn->ksnc_rx_nob_wanted = mlen;
conn->ksnc_rx_nob_left = rlen;
#endif
list_empty(&sched->kss_rx_conns) &&
list_empty(&sched->kss_tx_conns));
-
+
spin_unlock_irqrestore(&sched->kss_lock, flags);
return (rc);
}
conn = list_entry(sched->kss_tx_conns.next,
ksock_conn_t, ksnc_tx_list);
list_del (&conn->ksnc_tx_list);
-
+
LASSERT(conn->ksnc_tx_scheduled);
LASSERT(conn->ksnc_tx_ready);
LASSERT(!list_empty(&conn->ksnc_tx_queue));
-
+
tx = list_entry(conn->ksnc_tx_queue.next,
ksock_tx_t, tx_list);
/* dequeue now so empty list => more to send */
list_del(&tx->tx_list);
-
+
/* Clear tx_ready in case send isn't complete. Do
* it BEFORE we call process_transmit, since
* write_space can set it any time after we release
/* drop my ref */
ksocknal_put_conn (conn);
}
-
+
did_something = 1;
}
#if SOCKNAL_ZC
ksock_sched_t *sched;
unsigned long flags;
ENTRY;
-
+
sched = conn->ksnc_scheduler;
spin_lock_irqsave (&sched->kss_lock, flags);
rc, HIPQUAD(conn->ksnc_ipaddr), conn->ksnc_port);
return (rc);
}
-
+
if (nipaddrs == 0)
return (0);
-
+
for (i = 0; i < nipaddrs; i++) {
ipaddrs[i] = __cpu_to_le32 (ipaddrs[i]);
}
portals_nid2str(SOCKNAL,
le64_to_cpu(hdr.src_nid),
ipbuf));
-
- CERROR ("Connected to nid "LPX64"@%u.%u.%u.%u "
- "but expecting "LPX64"\n",
- le64_to_cpu (hdr.src_nid),
- HIPQUAD(conn->ksnc_ipaddr), *nid);
+
return (-EPROTO);
}
if (nips == 0)
return (0);
-
+
rc = ksocknal_sock_read (sock, ipaddrs, nips * sizeof(*ipaddrs));
if (rc != 0) {
CERROR ("Error %d reading IPs from "LPX64"@%u.%u.%u.%u\n",
for (i = 0; i < nips; i++) {
ipaddrs[i] = __le32_to_cpu(ipaddrs[i]);
-
+
if (ipaddrs[i] == 0) {
CERROR("Zero IP[%d] from "LPX64"@%u.%u.%u.%u\n",
i, *nid, HIPQUAD(conn->ksnc_ipaddr));
int rc;
int port;
int may_retry;
-
+
/* Iterate through reserved ports. When typed connections are
* used, we will need to bind to multiple ports, but we only know
* this at connect time. But, by that time we've already called
break;
default:
LCONSOLE_WARN("An unexpected network error "
- "occurred with %u.%u.%u.%u: %d.\n",
+ "occurred with %u.%u.%u.%u: %d\n",
HIPQUAD(conn->ksnc_ipaddr),
SOCK_ERROR(conn->ksnc_sock));
break;
}
/* Something (e.g. failed keepalive) set the socket error */
- CERROR ("Socket error %d: "LPX64" %p %d.%d.%d.%d\n",
- SOCK_ERROR(conn->ksnc_sock), peer->ksnp_nid,
- conn, HIPQUAD(conn->ksnc_ipaddr));
+ CDEBUG(D_HA,"Socket error %d: "LPX64" %p %d.%d.%d.%d\n",
+ SOCK_ERROR(conn->ksnc_sock), peer->ksnp_nid,
+ conn, HIPQUAD(conn->ksnc_ipaddr));
return (conn);
}
list_for_each (ptmp, peers) {
peer = list_entry (ptmp, ksock_peer_t, ksnp_list);
conn = ksocknal_find_timed_out_conn (peer);
-
+
if (conn != NULL) {
read_unlock (&ksocknal_data.ksnd_global_lock);
- CERROR ("Timeout out conn->"LPX64" ip %d.%d.%d.%d:%d\n",
- peer->ksnp_nid,
- HIPQUAD(conn->ksnc_ipaddr),
- conn->ksnc_port);
+ CERROR("Timeout out conn->"LPX64" ip %d.%d.%d.%d:%d\n",
+ peer->ksnp_nid, HIPQUAD(conn->ksnc_ipaddr),
+ conn->ksnc_port);
ksocknal_close_conn_and_siblings (conn, -ETIMEDOUT);
-
+
/* NB we won't find this one again, but we can't
* just proceed with the next peer, since we dropped
* ksnd_global_lock and it might be dead already! */
conn = list_entry (ksocknal_data.ksnd_deathrow_conns.next,
ksock_conn_t, ksnc_list);
list_del (&conn->ksnc_list);
-
+
spin_unlock_irqrestore (&ksocknal_data.ksnd_reaper_lock, flags);
ksocknal_terminate_conn (conn);
conn = list_entry (ksocknal_data.ksnd_zombie_conns.next,
ksock_conn_t, ksnc_list);
list_del (&conn->ksnc_list);
-
+
spin_unlock_irqrestore (&ksocknal_data.ksnd_reaper_lock, flags);
ksocknal_destroy_conn (conn);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff