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-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ethtool.c6
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c3
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c10
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c2
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h1
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c10
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.h6
7 files changed, 17 insertions, 21 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 1502199c8e56..7b6d40ff1acf 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -62,10 +62,8 @@ static void ipoib_get_drvinfo(struct net_device *netdev,
{
struct ipoib_dev_priv *priv = netdev_priv(netdev);
- snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
- "%d.%d.%d", (int)(priv->ca->attrs.fw_ver >> 32),
- (int)(priv->ca->attrs.fw_ver >> 16) & 0xffff,
- (int)priv->ca->attrs.fw_ver & 0xffff);
+ ib_get_device_fw_str(priv->ca, drvinfo->fw_version,
+ sizeof(drvinfo->fw_version));
strlcpy(drvinfo->bus_info, dev_name(priv->ca->dma_device),
sizeof(drvinfo->bus_info));
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 5f58c41ef787..74bcaa064226 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1967,8 +1967,7 @@ int ipoib_set_dev_features(struct ipoib_dev_priv *priv, struct ib_device *hca)
priv->hca_caps = hca->attrs.device_cap_flags;
if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) {
- priv->dev->hw_features = NETIF_F_SG |
- NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
+ priv->dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
if (priv->hca_caps & IB_DEVICE_UD_TSO)
priv->dev->hw_features |= NETIF_F_TSO;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index 1e7cbbaa15bd..c55ecb2c3736 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -135,7 +135,8 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
.cap = {
.max_send_wr = ipoib_sendq_size,
.max_recv_wr = ipoib_recvq_size,
- .max_send_sge = 1,
+ .max_send_sge = min_t(u32, priv->ca->attrs.max_sge,
+ MAX_SKB_FRAGS + 1),
.max_recv_sge = IPOIB_UD_RX_SG
},
.sq_sig_type = IB_SIGNAL_ALL_WR,
@@ -205,10 +206,6 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
if (priv->hca_caps & IB_DEVICE_MANAGED_FLOW_STEERING)
init_attr.create_flags |= IB_QP_CREATE_NETIF_QP;
- if (dev->features & NETIF_F_SG)
- init_attr.cap.max_send_sge =
- min_t(u32, priv->ca->attrs.max_sge, MAX_SKB_FRAGS + 1);
-
priv->qp = ib_create_qp(priv->pd, &init_attr);
if (IS_ERR(priv->qp)) {
printk(KERN_WARNING "%s: failed to create QP\n", ca->name);
@@ -234,6 +231,9 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
priv->rx_wr.next = NULL;
priv->rx_wr.sg_list = priv->rx_sge;
+ if (init_attr.cap.max_send_sge > 1)
+ dev->features |= NETIF_F_SG;
+
priv->max_send_sge = init_attr.cap.max_send_sge;
return 0;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index a990c04208c9..ba6be060a476 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -137,8 +137,6 @@ isert_create_qp(struct isert_conn *isert_conn,
attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1;
attr.cap.max_rdma_ctxs = ISCSI_DEF_XMIT_CMDS_MAX;
attr.cap.max_send_sge = device->ib_device->attrs.max_sge;
- isert_conn->max_sge = min(device->ib_device->attrs.max_sge,
- device->ib_device->attrs.max_sge_rd);
attr.cap.max_recv_sge = 1;
attr.sq_sig_type = IB_SIGNAL_REQ_WR;
attr.qp_type = IB_QPT_RC;
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index e512ba941f2f..fc791efe3a10 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -138,7 +138,6 @@ struct isert_conn {
u32 responder_resources;
u32 initiator_depth;
bool pi_support;
- u32 max_sge;
struct iser_rx_desc *login_req_buf;
char *login_rsp_buf;
u64 login_req_dma;
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 4a4155640d51..dfa23b075a88 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1601,6 +1601,7 @@ static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
struct ib_qp_init_attr *qp_init;
struct srpt_port *sport = ch->sport;
struct srpt_device *sdev = sport->sdev;
+ const struct ib_device_attr *attrs = &sdev->device->attrs;
u32 srp_sq_size = sport->port_attrib.srp_sq_size;
int ret;
@@ -1638,7 +1639,7 @@ retry:
*/
qp_init->cap.max_send_wr = srp_sq_size / 2;
qp_init->cap.max_rdma_ctxs = srp_sq_size / 2;
- qp_init->cap.max_send_sge = SRPT_DEF_SG_PER_WQE;
+ qp_init->cap.max_send_sge = min(attrs->max_sge, SRPT_MAX_SG_PER_WQE);
qp_init->port_num = ch->sport->port;
ch->qp = ib_create_qp(sdev->pd, qp_init);
@@ -2261,7 +2262,7 @@ static void srpt_queue_response(struct se_cmd *cmd)
container_of(cmd, struct srpt_send_ioctx, cmd);
struct srpt_rdma_ch *ch = ioctx->ch;
struct srpt_device *sdev = ch->sport->sdev;
- struct ib_send_wr send_wr, *first_wr = NULL, *bad_wr;
+ struct ib_send_wr send_wr, *first_wr = &send_wr, *bad_wr;
struct ib_sge sge;
enum srpt_command_state state;
unsigned long flags;
@@ -2302,11 +2303,8 @@ static void srpt_queue_response(struct se_cmd *cmd)
struct srpt_rw_ctx *ctx = &ioctx->rw_ctxs[i];
first_wr = rdma_rw_ctx_wrs(&ctx->rw, ch->qp,
- ch->sport->port, NULL,
- first_wr ? first_wr : &send_wr);
+ ch->sport->port, NULL, first_wr);
}
- } else {
- first_wr = &send_wr;
}
if (state != SRPT_STATE_MGMT)
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index 389030487da7..581878782854 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -106,7 +106,11 @@ enum {
SRP_LOGIN_RSP_MULTICHAN_MAINTAINED = 0x2,
SRPT_DEF_SG_TABLESIZE = 128,
- SRPT_DEF_SG_PER_WQE = 16,
+ /*
+ * An experimentally determined value that avoids that QP creation
+ * fails due to "swiotlb buffer is full" on systems using the swiotlb.
+ */
+ SRPT_MAX_SG_PER_WQE = 16,
MIN_SRPT_SQ_SIZE = 16,
DEF_SRPT_SQ_SIZE = 4096,