From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/infiniband/hw/mlx4/mad.c | 201 ++++++++++++++++++++++++-------------------------
1 files changed, 99 insertions(+), 102 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/mlx4/mad.c b/kernel/drivers/infiniband/hw/mlx4/mad.c
index 418b931..8bd1647 100644
--- a/kernel/drivers/infiniband/hw/mlx4/mad.c
+++ b/kernel/drivers/infiniband/hw/mlx4/mad.c
@@ -202,13 +202,13 @@
rdma_ah_set_port_num(&ah_attr, port_num);
new_ah = rdma_create_ah(dev->send_agent[port_num - 1][0]->qp->pd,
- &ah_attr);
+ &ah_attr, 0);
if (IS_ERR(new_ah))
return;
spin_lock_irqsave(&dev->sm_lock, flags);
if (dev->sm_ah[port_num - 1])
- rdma_destroy_ah(dev->sm_ah[port_num - 1]);
+ rdma_destroy_ah(dev->sm_ah[port_num - 1], 0);
dev->sm_ah[port_num - 1] = new_ah;
spin_unlock_irqrestore(&dev->sm_lock, flags);
}
@@ -500,6 +500,13 @@
sgid, dgid);
}
+static int is_proxy_qp0(struct mlx4_ib_dev *dev, int qpn, int slave)
+{
+ int proxy_start = dev->dev->phys_caps.base_proxy_sqpn + 8 * slave;
+
+ return (qpn >= proxy_start && qpn <= proxy_start + 1);
+}
+
int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
enum ib_qp_type dest_qpt, struct ib_wc *wc,
struct ib_grh *grh, struct ib_mad *mad)
@@ -520,8 +527,10 @@
u16 cached_pkey;
u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;
- if (dest_qpt > IB_QPT_GSI)
+ if (dest_qpt > IB_QPT_GSI) {
+ pr_debug("dest_qpt (%d) > IB_QPT_GSI\n", dest_qpt);
return -EINVAL;
+ }
tun_ctx = dev->sriov.demux[port-1].tun[slave];
@@ -538,12 +547,20 @@
if (dest_qpt) {
u16 pkey_ix;
ret = ib_get_cached_pkey(&dev->ib_dev, port, wc->pkey_index, &cached_pkey);
- if (ret)
+ if (ret) {
+ pr_debug("unable to get %s cached pkey for index %d, ret %d\n",
+ is_proxy_qp0(dev, wc->src_qp, slave) ? "SMI" : "GSI",
+ wc->pkey_index, ret);
return -EINVAL;
+ }
ret = find_slave_port_pkey_ix(dev, slave, port, cached_pkey, &pkey_ix);
- if (ret)
+ if (ret) {
+ pr_debug("unable to get %s pkey ix for pkey 0x%x, ret %d\n",
+ is_proxy_qp0(dev, wc->src_qp, slave) ? "SMI" : "GSI",
+ cached_pkey, ret);
return -EINVAL;
+ }
tun_pkey_ix = pkey_ix;
} else
tun_pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][0];
@@ -567,7 +584,7 @@
return -EINVAL;
rdma_ah_set_grh(&attr, &dgid, 0, 0, 0, 0);
}
- ah = rdma_create_ah(tun_ctx->pd, &attr);
+ ah = rdma_create_ah(tun_ctx->pd, &attr, 0);
if (IS_ERR(ah))
return -ENOMEM;
@@ -584,7 +601,7 @@
tun_mad = (struct mlx4_rcv_tunnel_mad *) (tun_qp->tx_ring[tun_tx_ix].buf.addr);
if (tun_qp->tx_ring[tun_tx_ix].ah)
- rdma_destroy_ah(tun_qp->tx_ring[tun_tx_ix].ah);
+ rdma_destroy_ah(tun_qp->tx_ring[tun_tx_ix].ah, 0);
tun_qp->tx_ring[tun_tx_ix].ah = ah;
ib_dma_sync_single_for_cpu(&dev->ib_dev,
tun_qp->tx_ring[tun_tx_ix].buf.map,
@@ -657,7 +674,7 @@
spin_unlock(&tun_qp->tx_lock);
tun_qp->tx_ring[tun_tx_ix].ah = NULL;
end:
- rdma_destroy_ah(ah);
+ rdma_destroy_ah(ah, 0);
return ret;
}
@@ -715,7 +732,8 @@
err = mlx4_ib_send_to_slave(dev, slave, port, wc->qp->qp_type, wc, grh, mad);
if (err)
- pr_debug("failed sending to slave %d via tunnel qp (%d)\n",
+ pr_debug("failed sending %s to slave %d via tunnel qp (%d)\n",
+ is_proxy_qp0(dev, wc->src_qp, slave) ? "SMI" : "GSI",
slave, err);
return 0;
}
@@ -794,7 +812,8 @@
err = mlx4_ib_send_to_slave(dev, slave, port, wc->qp->qp_type, wc, grh, mad);
if (err)
- pr_debug("failed sending to slave %d via tunnel qp (%d)\n",
+ pr_debug("failed sending %s to slave %d via tunnel qp (%d)\n",
+ is_proxy_qp0(dev, wc->src_qp, slave) ? "SMI" : "GSI",
slave, err);
return 0;
}
@@ -806,25 +825,6 @@
u16 slid, prev_lid = 0;
int err;
struct ib_port_attr pattr;
-
- if (in_wc && in_wc->qp->qp_num) {
- pr_debug("received MAD: slid:%d sqpn:%d "
- "dlid_bits:%d dqpn:%d wc_flags:0x%x, cls %x, mtd %x, atr %x\n",
- in_wc->slid, in_wc->src_qp,
- in_wc->dlid_path_bits,
- in_wc->qp->qp_num,
- in_wc->wc_flags,
- in_mad->mad_hdr.mgmt_class, in_mad->mad_hdr.method,
- be16_to_cpu(in_mad->mad_hdr.attr_id));
- if (in_wc->wc_flags & IB_WC_GRH) {
- pr_debug("sgid_hi:0x%016llx sgid_lo:0x%016llx\n",
- be64_to_cpu(in_grh->sgid.global.subnet_prefix),
- be64_to_cpu(in_grh->sgid.global.interface_id));
- pr_debug("dgid_hi:0x%016llx dgid_lo:0x%016llx\n",
- be64_to_cpu(in_grh->dgid.global.subnet_prefix),
- be64_to_cpu(in_grh->dgid.global.interface_id));
- }
- }
slid = in_wc ? ib_lid_cpu16(in_wc->slid) : be16_to_cpu(IB_LID_PERMISSIVE);
@@ -964,7 +964,6 @@
}
mutex_unlock(&dev->counters_table[port_num - 1].mutex);
if (stats_avail) {
- memset(out_mad->data, 0, sizeof out_mad->data);
switch (counter_stats.counter_mode & 0xf) {
case 0:
edit_counter(&counter_stats,
@@ -982,38 +981,31 @@
int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_wc *in_wc, const struct ib_grh *in_grh,
- const struct ib_mad_hdr *in, size_t in_mad_size,
- struct ib_mad_hdr *out, size_t *out_mad_size,
- u16 *out_mad_pkey_index)
+ const struct ib_mad *in, struct ib_mad *out,
+ size_t *out_mad_size, u16 *out_mad_pkey_index)
{
struct mlx4_ib_dev *dev = to_mdev(ibdev);
- const struct ib_mad *in_mad = (const struct ib_mad *)in;
- struct ib_mad *out_mad = (struct ib_mad *)out;
enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num);
-
- if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
- *out_mad_size != sizeof(*out_mad)))
- return IB_MAD_RESULT_FAILURE;
/* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA
* queries, should be called only by VFs and for that specific purpose
*/
if (link == IB_LINK_LAYER_INFINIBAND) {
if (mlx4_is_slave(dev->dev) &&
- (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
- (in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS ||
- in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT ||
- in_mad->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)))
- return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
- in_grh, in_mad, out_mad);
+ (in->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
+ (in->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS ||
+ in->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS_EXT ||
+ in->mad_hdr.attr_id == IB_PMA_CLASS_PORT_INFO)))
+ return iboe_process_mad(ibdev, mad_flags, port_num,
+ in_wc, in_grh, in, out);
- return ib_process_mad(ibdev, mad_flags, port_num, in_wc,
- in_grh, in_mad, out_mad);
+ return ib_process_mad(ibdev, mad_flags, port_num, in_wc, in_grh,
+ in, out);
}
if (link == IB_LINK_LAYER_ETHERNET)
return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
- in_grh, in_mad, out_mad);
+ in_grh, in, out);
return -EINVAL;
}
@@ -1022,7 +1014,7 @@
struct ib_mad_send_wc *mad_send_wc)
{
if (mad_send_wc->send_buf->context[0])
- rdma_destroy_ah(mad_send_wc->send_buf->context[0]);
+ rdma_destroy_ah(mad_send_wc->send_buf->context[0], 0);
ib_free_send_mad(mad_send_wc->send_buf);
}
@@ -1077,7 +1069,7 @@
}
if (dev->sm_ah[p])
- rdma_destroy_ah(dev->sm_ah[p]);
+ rdma_destroy_ah(dev->sm_ah[p], 0);
}
}
@@ -1359,14 +1351,6 @@
return ret;
}
-static int is_proxy_qp0(struct mlx4_ib_dev *dev, int qpn, int slave)
-{
- int proxy_start = dev->dev->phys_caps.base_proxy_sqpn + 8 * slave;
-
- return (qpn >= proxy_start && qpn <= proxy_start + 1);
-}
-
-
int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
enum ib_qp_type dest_qpt, u16 pkey_index,
u32 remote_qpn, u32 qkey, struct rdma_ah_attr *attr,
@@ -1381,9 +1365,9 @@
struct ib_ah *ah;
struct ib_qp *send_qp = NULL;
unsigned wire_tx_ix = 0;
- int ret = 0;
u16 wire_pkey_ix;
int src_qpnum;
+ int ret;
sqp_ctx = dev->sriov.sqps[port-1];
@@ -1403,25 +1387,32 @@
send_qp = sqp->qp;
- /* create ah */
- ah = mlx4_ib_create_ah_slave(sqp_ctx->pd, attr,
- rdma_ah_retrieve_grh(attr)->sgid_index,
- s_mac, vlan_id);
- if (IS_ERR(ah))
+ ah = rdma_zalloc_drv_obj(sqp_ctx->pd->device, ib_ah);
+ if (!ah)
return -ENOMEM;
+
+ ah->device = sqp_ctx->pd->device;
+ ah->pd = sqp_ctx->pd;
+
+ /* create ah */
+ ret = mlx4_ib_create_ah_slave(ah, attr,
+ rdma_ah_retrieve_grh(attr)->sgid_index,
+ s_mac, vlan_id);
+ if (ret)
+ goto out;
+
spin_lock(&sqp->tx_lock);
if (sqp->tx_ix_head - sqp->tx_ix_tail >=
- (MLX4_NUM_TUNNEL_BUFS - 1))
+ (MLX4_NUM_WIRE_BUFS - 1))
ret = -EAGAIN;
else
- wire_tx_ix = (++sqp->tx_ix_head) & (MLX4_NUM_TUNNEL_BUFS - 1);
+ wire_tx_ix = (++sqp->tx_ix_head) & (MLX4_NUM_WIRE_BUFS - 1);
spin_unlock(&sqp->tx_lock);
if (ret)
goto out;
sqp_mad = (struct mlx4_mad_snd_buf *) (sqp->tx_ring[wire_tx_ix].buf.addr);
- if (sqp->tx_ring[wire_tx_ix].ah)
- rdma_destroy_ah(sqp->tx_ring[wire_tx_ix].ah);
+ kfree(sqp->tx_ring[wire_tx_ix].ah);
sqp->tx_ring[wire_tx_ix].ah = ah;
ib_dma_sync_single_for_cpu(&dev->ib_dev,
sqp->tx_ring[wire_tx_ix].buf.map,
@@ -1460,7 +1451,7 @@
spin_unlock(&sqp->tx_lock);
sqp->tx_ring[wire_tx_ix].ah = NULL;
out:
- mlx4_ib_destroy_ah(ah);
+ kfree(ah);
return ret;
}
@@ -1495,6 +1486,7 @@
u16 vlan_id;
u8 qos;
u8 *dmac;
+ int sts;
/* Get slave that sent this packet */
if (wc->src_qp < dev->dev->phys_caps.base_proxy_sqpn ||
@@ -1591,13 +1583,17 @@
&vlan_id, &qos))
rdma_ah_set_sl(&ah_attr, qos);
- mlx4_ib_send_to_wire(dev, slave, ctx->port,
- is_proxy_qp0(dev, wc->src_qp, slave) ?
- IB_QPT_SMI : IB_QPT_GSI,
- be16_to_cpu(tunnel->hdr.pkey_index),
- be32_to_cpu(tunnel->hdr.remote_qpn),
- be32_to_cpu(tunnel->hdr.qkey),
- &ah_attr, wc->smac, vlan_id, &tunnel->mad);
+ sts = mlx4_ib_send_to_wire(dev, slave, ctx->port,
+ is_proxy_qp0(dev, wc->src_qp, slave) ?
+ IB_QPT_SMI : IB_QPT_GSI,
+ be16_to_cpu(tunnel->hdr.pkey_index),
+ be32_to_cpu(tunnel->hdr.remote_qpn),
+ be32_to_cpu(tunnel->hdr.qkey),
+ &ah_attr, wc->smac, vlan_id, &tunnel->mad);
+ if (sts)
+ pr_debug("failed sending %s to wire on behalf of slave %d (%d)\n",
+ is_proxy_qp0(dev, wc->src_qp, slave) ? "SMI" : "GSI",
+ slave, sts);
}
static int mlx4_ib_alloc_pv_bufs(struct mlx4_ib_demux_pv_ctx *ctx,
@@ -1606,19 +1602,20 @@
int i;
struct mlx4_ib_demux_pv_qp *tun_qp;
int rx_buf_size, tx_buf_size;
+ const int nmbr_bufs = is_tun ? MLX4_NUM_TUNNEL_BUFS : MLX4_NUM_WIRE_BUFS;
if (qp_type > IB_QPT_GSI)
return -EINVAL;
tun_qp = &ctx->qp[qp_type];
- tun_qp->ring = kcalloc(MLX4_NUM_TUNNEL_BUFS,
+ tun_qp->ring = kcalloc(nmbr_bufs,
sizeof(struct mlx4_ib_buf),
GFP_KERNEL);
if (!tun_qp->ring)
return -ENOMEM;
- tun_qp->tx_ring = kcalloc(MLX4_NUM_TUNNEL_BUFS,
+ tun_qp->tx_ring = kcalloc(nmbr_bufs,
sizeof (struct mlx4_ib_tun_tx_buf),
GFP_KERNEL);
if (!tun_qp->tx_ring) {
@@ -1635,7 +1632,7 @@
tx_buf_size = sizeof (struct mlx4_mad_snd_buf);
}
- for (i = 0; i < MLX4_NUM_TUNNEL_BUFS; i++) {
+ for (i = 0; i < nmbr_bufs; i++) {
tun_qp->ring[i].addr = kmalloc(rx_buf_size, GFP_KERNEL);
if (!tun_qp->ring[i].addr)
goto err;
@@ -1649,7 +1646,7 @@
}
}
- for (i = 0; i < MLX4_NUM_TUNNEL_BUFS; i++) {
+ for (i = 0; i < nmbr_bufs; i++) {
tun_qp->tx_ring[i].buf.addr =
kmalloc(tx_buf_size, GFP_KERNEL);
if (!tun_qp->tx_ring[i].buf.addr)
@@ -1680,7 +1677,7 @@
tx_buf_size, DMA_TO_DEVICE);
kfree(tun_qp->tx_ring[i].buf.addr);
}
- i = MLX4_NUM_TUNNEL_BUFS;
+ i = nmbr_bufs;
err:
while (i > 0) {
--i;
@@ -1701,6 +1698,7 @@
int i;
struct mlx4_ib_demux_pv_qp *tun_qp;
int rx_buf_size, tx_buf_size;
+ const int nmbr_bufs = is_tun ? MLX4_NUM_TUNNEL_BUFS : MLX4_NUM_WIRE_BUFS;
if (qp_type > IB_QPT_GSI)
return;
@@ -1715,18 +1713,18 @@
}
- for (i = 0; i < MLX4_NUM_TUNNEL_BUFS; i++) {
+ for (i = 0; i < nmbr_bufs; i++) {
ib_dma_unmap_single(ctx->ib_dev, tun_qp->ring[i].map,
rx_buf_size, DMA_FROM_DEVICE);
kfree(tun_qp->ring[i].addr);
}
- for (i = 0; i < MLX4_NUM_TUNNEL_BUFS; i++) {
+ for (i = 0; i < nmbr_bufs; i++) {
ib_dma_unmap_single(ctx->ib_dev, tun_qp->tx_ring[i].buf.map,
tx_buf_size, DMA_TO_DEVICE);
kfree(tun_qp->tx_ring[i].buf.addr);
if (tun_qp->tx_ring[i].ah)
- rdma_destroy_ah(tun_qp->tx_ring[i].ah);
+ rdma_destroy_ah(tun_qp->tx_ring[i].ah, 0);
}
kfree(tun_qp->tx_ring);
kfree(tun_qp->ring);
@@ -1755,11 +1753,8 @@
"buf:%lld\n", wc.wr_id);
break;
case IB_WC_SEND:
- pr_debug("received tunnel send completion:"
- "wrid=0x%llx, status=0x%x\n",
- wc.wr_id, wc.status);
rdma_destroy_ah(tun_qp->tx_ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].ah);
+ (MLX4_NUM_TUNNEL_BUFS - 1)].ah, 0);
tun_qp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah
= NULL;
spin_lock(&tun_qp->tx_lock);
@@ -1776,7 +1771,7 @@
ctx->slave, wc.status, wc.wr_id);
if (!MLX4_TUN_IS_RECV(wc.wr_id)) {
rdma_destroy_ah(tun_qp->tx_ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].ah);
+ (MLX4_NUM_TUNNEL_BUFS - 1)].ah, 0);
tun_qp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah
= NULL;
spin_lock(&tun_qp->tx_lock);
@@ -1804,6 +1799,7 @@
struct mlx4_ib_qp_tunnel_init_attr qp_init_attr;
struct ib_qp_attr attr;
int qp_attr_mask_INIT;
+ const int nmbr_bufs = create_tun ? MLX4_NUM_TUNNEL_BUFS : MLX4_NUM_WIRE_BUFS;
if (qp_type > IB_QPT_GSI)
return -EINVAL;
@@ -1814,8 +1810,8 @@
qp_init_attr.init_attr.send_cq = ctx->cq;
qp_init_attr.init_attr.recv_cq = ctx->cq;
qp_init_attr.init_attr.sq_sig_type = IB_SIGNAL_ALL_WR;
- qp_init_attr.init_attr.cap.max_send_wr = MLX4_NUM_TUNNEL_BUFS;
- qp_init_attr.init_attr.cap.max_recv_wr = MLX4_NUM_TUNNEL_BUFS;
+ qp_init_attr.init_attr.cap.max_send_wr = nmbr_bufs;
+ qp_init_attr.init_attr.cap.max_recv_wr = nmbr_bufs;
qp_init_attr.init_attr.cap.max_send_sge = 1;
qp_init_attr.init_attr.cap.max_recv_sge = 1;
if (create_tun) {
@@ -1877,7 +1873,7 @@
goto err_qp;
}
- for (i = 0; i < MLX4_NUM_TUNNEL_BUFS; i++) {
+ for (i = 0; i < nmbr_bufs; i++) {
ret = mlx4_ib_post_pv_qp_buf(ctx, tun_qp, i);
if (ret) {
pr_err(" mlx4_ib_post_pv_buf error"
@@ -1912,9 +1908,9 @@
if (wc.status == IB_WC_SUCCESS) {
switch (wc.opcode) {
case IB_WC_SEND:
- rdma_destroy_ah(sqp->tx_ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].ah);
- sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah
+ kfree(sqp->tx_ring[wc.wr_id &
+ (MLX4_NUM_WIRE_BUFS - 1)].ah);
+ sqp->tx_ring[wc.wr_id & (MLX4_NUM_WIRE_BUFS - 1)].ah
= NULL;
spin_lock(&sqp->tx_lock);
sqp->tx_ix_tail++;
@@ -1923,13 +1919,13 @@
case IB_WC_RECV:
mad = (struct ib_mad *) &(((struct mlx4_mad_rcv_buf *)
(sqp->ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].addr))->payload);
+ (MLX4_NUM_WIRE_BUFS - 1)].addr))->payload);
grh = &(((struct mlx4_mad_rcv_buf *)
(sqp->ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].addr))->grh);
+ (MLX4_NUM_WIRE_BUFS - 1)].addr))->grh);
mlx4_ib_demux_mad(ctx->ib_dev, ctx->port, &wc, grh, mad);
if (mlx4_ib_post_pv_qp_buf(ctx, sqp, wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)))
+ (MLX4_NUM_WIRE_BUFS - 1)))
pr_err("Failed reposting SQP "
"buf:%lld\n", wc.wr_id);
break;
@@ -1941,9 +1937,9 @@
" status = %d, wrid = 0x%llx\n",
ctx->slave, wc.status, wc.wr_id);
if (!MLX4_TUN_IS_RECV(wc.wr_id)) {
- rdma_destroy_ah(sqp->tx_ring[wc.wr_id &
- (MLX4_NUM_TUNNEL_BUFS - 1)].ah);
- sqp->tx_ring[wc.wr_id & (MLX4_NUM_TUNNEL_BUFS - 1)].ah
+ kfree(sqp->tx_ring[wc.wr_id &
+ (MLX4_NUM_WIRE_BUFS - 1)].ah);
+ sqp->tx_ring[wc.wr_id & (MLX4_NUM_WIRE_BUFS - 1)].ah
= NULL;
spin_lock(&sqp->tx_lock);
sqp->tx_ix_tail++;
@@ -1983,6 +1979,7 @@
{
int ret, cq_size;
struct ib_cq_init_attr cq_attr = {};
+ const int nmbr_bufs = create_tun ? MLX4_NUM_TUNNEL_BUFS : MLX4_NUM_WIRE_BUFS;
if (ctx->state != DEMUX_PV_STATE_DOWN)
return -EEXIST;
@@ -2007,7 +2004,7 @@
goto err_out_qp0;
}
- cq_size = 2 * MLX4_NUM_TUNNEL_BUFS;
+ cq_size = 2 * nmbr_bufs;
if (ctx->has_smi)
cq_size *= 2;
--
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