send->s_op = NULL;
- send->s_wr.wr_id = i;
+ send->s_wr.wr_id = i | RDS_IB_SEND_OP;
send->s_wr.sg_list = send->s_sge;
send->s_wr.ex.imm_data = 0;
* unallocs the next free entry in the ring it doesn't alter which is
* the next to be freed, which is what this is concerned with.
*/
-void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
+void rds_ib_send_cqe_handler(struct rds_ib_connection *ic, struct ib_wc *wc)
{
- struct rds_connection *conn = context;
- struct rds_ib_connection *ic = conn->c_transport_data;
struct rds_message *rm = NULL;
- struct ib_wc wc;
+ struct rds_connection *conn = ic->conn;
struct rds_ib_send_work *send;
u32 completed;
u32 oldest;
u32 i = 0;
- int ret;
int nr_sig = 0;
- rdsdebug("cq %p conn %p\n", cq, conn);
- rds_ib_stats_inc(s_ib_tx_cq_call);
- ret = ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
- if (ret)
- rdsdebug("ib_req_notify_cq send failed: %d\n", ret);
-
- while (ib_poll_cq(cq, 1, &wc) > 0) {
- rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
- (unsigned long long)wc.wr_id, wc.status,
- ib_wc_status_msg(wc.status), wc.byte_len,
- be32_to_cpu(wc.ex.imm_data));
- rds_ib_stats_inc(s_ib_tx_cq_event);
-
- if (wc.wr_id == RDS_IB_ACK_WR_ID) {
- if (time_after(jiffies, ic->i_ack_queued + HZ/2))
- rds_ib_stats_inc(s_ib_tx_stalled);
- rds_ib_ack_send_complete(ic);
- continue;
- }
- oldest = rds_ib_ring_oldest(&ic->i_send_ring);
+ rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
+ (unsigned long long)wc->wr_id, wc->status,
+ ib_wc_status_msg(wc->status), wc->byte_len,
+ be32_to_cpu(wc->ex.imm_data));
+ rds_ib_stats_inc(s_ib_tx_cq_event);
- completed = rds_ib_ring_completed(&ic->i_send_ring, wc.wr_id, oldest);
+ if (wc->wr_id == RDS_IB_ACK_WR_ID) {
+ if (time_after(jiffies, ic->i_ack_queued + HZ / 2))
+ rds_ib_stats_inc(s_ib_tx_stalled);
+ rds_ib_ack_send_complete(ic);
+ return;
+ }
- for (i = 0; i < completed; i++) {
- send = &ic->i_sends[oldest];
- if (send->s_wr.send_flags & IB_SEND_SIGNALED)
- nr_sig++;
+ oldest = rds_ib_ring_oldest(&ic->i_send_ring);
- rm = rds_ib_send_unmap_op(ic, send, wc.status);
+ completed = rds_ib_ring_completed(&ic->i_send_ring,
+ (wc->wr_id & ~RDS_IB_SEND_OP),
+ oldest);
- if (time_after(jiffies, send->s_queued + HZ/2))
- rds_ib_stats_inc(s_ib_tx_stalled);
+ for (i = 0; i < completed; i++) {
+ send = &ic->i_sends[oldest];
+ if (send->s_wr.send_flags & IB_SEND_SIGNALED)
+ nr_sig++;
- if (send->s_op) {
- if (send->s_op == rm->m_final_op) {
- /* If anyone waited for this message to get flushed out, wake
- * them up now */
- rds_message_unmapped(rm);
- }
- rds_message_put(rm);
- send->s_op = NULL;
- }
+ rm = rds_ib_send_unmap_op(ic, send, wc->status);
- oldest = (oldest + 1) % ic->i_send_ring.w_nr;
- }
+ if (time_after(jiffies, send->s_queued + HZ / 2))
+ rds_ib_stats_inc(s_ib_tx_stalled);
- rds_ib_ring_free(&ic->i_send_ring, completed);
- rds_ib_sub_signaled(ic, nr_sig);
- nr_sig = 0;
-
- if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags) ||
- test_bit(0, &conn->c_map_queued))
- queue_delayed_work(rds_wq, &conn->c_send_w, 0);
-
- /* We expect errors as the qp is drained during shutdown */
- if (wc.status != IB_WC_SUCCESS && rds_conn_up(conn)) {
- rds_ib_conn_error(conn, "send completion on %pI4 had status "
- "%u (%s), disconnecting and reconnecting\n",
- &conn->c_faddr, wc.status,
- ib_wc_status_msg(wc.status));
+ if (send->s_op) {
+ if (send->s_op == rm->m_final_op) {
+ /* If anyone waited for this message to get
+ * flushed out, wake them up now
+ */
+ rds_message_unmapped(rm);
+ }
+ rds_message_put(rm);
+ send->s_op = NULL;
}
+
+ oldest = (oldest + 1) % ic->i_send_ring.w_nr;
+ }
+
+ rds_ib_ring_free(&ic->i_send_ring, completed);
+ rds_ib_sub_signaled(ic, nr_sig);
+ nr_sig = 0;
+
+ if (test_and_clear_bit(RDS_LL_SEND_FULL, &conn->c_flags) ||
+ test_bit(0, &conn->c_map_queued))
+ queue_delayed_work(rds_wq, &conn->c_send_w, 0);
+
+ /* We expect errors as the qp is drained during shutdown */
+ if (wc->status != IB_WC_SUCCESS && rds_conn_up(conn)) {
+ rds_ib_conn_error(conn, "send completion on %pI4 had status %u (%s), disconnecting and reconnecting\n",
+ &conn->c_faddr, wc->status,
+ ib_wc_status_msg(wc->status));
}
}
send->s_queued = jiffies;
if (op->op_type == RDS_ATOMIC_TYPE_CSWP) {
- send->s_wr.opcode = IB_WR_MASKED_ATOMIC_CMP_AND_SWP;
- send->s_wr.wr.atomic.compare_add = op->op_m_cswp.compare;
- send->s_wr.wr.atomic.swap = op->op_m_cswp.swap;
- send->s_wr.wr.atomic.compare_add_mask = op->op_m_cswp.compare_mask;
- send->s_wr.wr.atomic.swap_mask = op->op_m_cswp.swap_mask;
+ send->s_atomic_wr.wr.opcode = IB_WR_MASKED_ATOMIC_CMP_AND_SWP;
+ send->s_atomic_wr.compare_add = op->op_m_cswp.compare;
+ send->s_atomic_wr.swap = op->op_m_cswp.swap;
+ send->s_atomic_wr.compare_add_mask = op->op_m_cswp.compare_mask;
+ send->s_atomic_wr.swap_mask = op->op_m_cswp.swap_mask;
} else { /* FADD */
- send->s_wr.opcode = IB_WR_MASKED_ATOMIC_FETCH_AND_ADD;
- send->s_wr.wr.atomic.compare_add = op->op_m_fadd.add;
- send->s_wr.wr.atomic.swap = 0;
- send->s_wr.wr.atomic.compare_add_mask = op->op_m_fadd.nocarry_mask;
- send->s_wr.wr.atomic.swap_mask = 0;
+ send->s_atomic_wr.wr.opcode = IB_WR_MASKED_ATOMIC_FETCH_AND_ADD;
+ send->s_atomic_wr.compare_add = op->op_m_fadd.add;
+ send->s_atomic_wr.swap = 0;
+ send->s_atomic_wr.compare_add_mask = op->op_m_fadd.nocarry_mask;
+ send->s_atomic_wr.swap_mask = 0;
}
nr_sig = rds_ib_set_wr_signal_state(ic, send, op->op_notify);
- send->s_wr.num_sge = 1;
- send->s_wr.next = NULL;
- send->s_wr.wr.atomic.remote_addr = op->op_remote_addr;
- send->s_wr.wr.atomic.rkey = op->op_rkey;
+ send->s_atomic_wr.wr.num_sge = 1;
+ send->s_atomic_wr.wr.next = NULL;
+ send->s_atomic_wr.remote_addr = op->op_remote_addr;
+ send->s_atomic_wr.rkey = op->op_rkey;
send->s_op = op;
rds_message_addref(container_of(send->s_op, struct rds_message, atomic));
if (nr_sig)
atomic_add(nr_sig, &ic->i_signaled_sends);
- failed_wr = &send->s_wr;
- ret = ib_post_send(ic->i_cm_id->qp, &send->s_wr, &failed_wr);
+ failed_wr = &send->s_atomic_wr.wr;
+ ret = ib_post_send(ic->i_cm_id->qp, &send->s_atomic_wr.wr, &failed_wr);
rdsdebug("ic %p send %p (wr %p) ret %d wr %p\n", ic,
- send, &send->s_wr, ret, failed_wr);
- BUG_ON(failed_wr != &send->s_wr);
+ send, &send->s_atomic_wr, ret, failed_wr);
+ BUG_ON(failed_wr != &send->s_atomic_wr.wr);
if (ret) {
printk(KERN_WARNING "RDS/IB: atomic ib_post_send to %pI4 "
"returned %d\n", &conn->c_faddr, ret);
goto out;
}
- if (unlikely(failed_wr != &send->s_wr)) {
+ if (unlikely(failed_wr != &send->s_atomic_wr.wr)) {
printk(KERN_WARNING "RDS/IB: atomic ib_post_send() rc=%d, but failed_wqe updated!\n", ret);
- BUG_ON(failed_wr != &send->s_wr);
+ BUG_ON(failed_wr != &send->s_atomic_wr.wr);
}
out:
nr_sig += rds_ib_set_wr_signal_state(ic, send, op->op_notify);
send->s_wr.opcode = op->op_write ? IB_WR_RDMA_WRITE : IB_WR_RDMA_READ;
- send->s_wr.wr.rdma.remote_addr = remote_addr;
- send->s_wr.wr.rdma.rkey = op->op_rkey;
+ send->s_rdma_wr.remote_addr = remote_addr;
+ send->s_rdma_wr.rkey = op->op_rkey;
if (num_sge > max_sge) {
- send->s_wr.num_sge = max_sge;
+ send->s_rdma_wr.wr.num_sge = max_sge;
num_sge -= max_sge;
} else {
- send->s_wr.num_sge = num_sge;
+ send->s_rdma_wr.wr.num_sge = num_sge;
}
- send->s_wr.next = NULL;
+ send->s_rdma_wr.wr.next = NULL;
if (prev)
- prev->s_wr.next = &send->s_wr;
+ prev->s_rdma_wr.wr.next = &send->s_rdma_wr.wr;
- for (j = 0; j < send->s_wr.num_sge && scat != &op->op_sg[op->op_count]; j++) {
+ for (j = 0; j < send->s_rdma_wr.wr.num_sge &&
+ scat != &op->op_sg[op->op_count]; j++) {
len = ib_sg_dma_len(ic->i_cm_id->device, scat);
send->s_sge[j].addr =
ib_sg_dma_address(ic->i_cm_id->device, scat);
}
rdsdebug("send %p wr %p num_sge %u next %p\n", send,
- &send->s_wr, send->s_wr.num_sge, send->s_wr.next);
+ &send->s_rdma_wr.wr,
+ send->s_rdma_wr.wr.num_sge,
+ send->s_rdma_wr.wr.next);
prev = send;
if (++send == &ic->i_sends[ic->i_send_ring.w_nr])
if (nr_sig)
atomic_add(nr_sig, &ic->i_signaled_sends);
- failed_wr = &first->s_wr;
- ret = ib_post_send(ic->i_cm_id->qp, &first->s_wr, &failed_wr);
+ failed_wr = &first->s_rdma_wr.wr;
+ ret = ib_post_send(ic->i_cm_id->qp, &first->s_rdma_wr.wr, &failed_wr);
rdsdebug("ic %p first %p (wr %p) ret %d wr %p\n", ic,
- first, &first->s_wr, ret, failed_wr);
- BUG_ON(failed_wr != &first->s_wr);
+ first, &first->s_rdma_wr.wr, ret, failed_wr);
+ BUG_ON(failed_wr != &first->s_rdma_wr.wr);
if (ret) {
printk(KERN_WARNING "RDS/IB: rdma ib_post_send to %pI4 "
"returned %d\n", &conn->c_faddr, ret);
goto out;
}
- if (unlikely(failed_wr != &first->s_wr)) {
+ if (unlikely(failed_wr != &first->s_rdma_wr.wr)) {
printk(KERN_WARNING "RDS/IB: ib_post_send() rc=%d, but failed_wqe updated!\n", ret);
- BUG_ON(failed_wr != &first->s_wr);
+ BUG_ON(failed_wr != &first->s_rdma_wr.wr);
}
projects / cascardo / linux.git / blobdiff