aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/amso1100/c2_provider.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2_provider.c')
-rw-r--r--drivers/infiniband/hw/amso1100/c2_provider.c97
1 files changed, 43 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 2acf9b62cf9..8af33cf1fc4 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -50,6 +50,7 @@
#include <linux/dma-mapping.h>
#include <linux/if_arp.h>
#include <linux/vmalloc.h>
+#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -93,19 +94,11 @@ static int c2_query_port(struct ib_device *ibdev,
props->pkey_tbl_len = 1;
props->qkey_viol_cntr = 0;
props->active_width = 1;
- props->active_speed = 1;
+ props->active_speed = IB_SPEED_SDR;
return 0;
}
-static int c2_modify_port(struct ib_device *ibdev,
- u8 port, int port_modify_mask,
- struct ib_port_modify *props)
-{
- pr_debug("%s:%u\n", __func__, __LINE__);
- return 0;
-}
-
static int c2_query_pkey(struct ib_device *ibdev,
u8 port, u16 index, u16 * pkey)
{
@@ -272,7 +265,6 @@ static struct ib_qp *c2_create_qp(struct ib_pd *pd,
pr_debug("%s: Invalid QP type: %d\n", __func__,
init_attr->qp_type);
return ERR_PTR(-EINVAL);
- break;
}
if (err) {
@@ -439,9 +431,9 @@ static struct ib_mr *c2_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 *pages;
u64 kva = 0;
int shift, n, len;
- int i, j, k;
+ int i, k, entry;
int err = 0;
- struct ib_umem_chunk *chunk;
+ struct scatterlist *sg;
struct c2_pd *c2pd = to_c2pd(pd);
struct c2_mr *c2mr;
@@ -460,10 +452,7 @@ static struct ib_mr *c2_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
}
shift = ffs(c2mr->umem->page_size) - 1;
-
- n = 0;
- list_for_each_entry(chunk, &c2mr->umem->chunk_list, list)
- n += chunk->nents;
+ n = c2mr->umem->nmap;
pages = kmalloc(n * sizeof(u64), GFP_KERNEL);
if (!pages) {
@@ -472,14 +461,12 @@ static struct ib_mr *c2_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
}
i = 0;
- list_for_each_entry(chunk, &c2mr->umem->chunk_list, list) {
- for (j = 0; j < chunk->nmap; ++j) {
- len = sg_dma_len(&chunk->page_list[j]) >> shift;
- for (k = 0; k < len; ++k) {
- pages[i++] =
- sg_dma_address(&chunk->page_list[j]) +
- (c2mr->umem->page_size * k);
- }
+ for_each_sg(c2mr->umem->sg_head.sgl, sg, c2mr->umem->nmap, entry) {
+ len = sg_dma_len(sg) >> shift;
+ for (k = 0; k < len; ++k) {
+ pages[i++] =
+ sg_dma_address(sg) +
+ (c2mr->umem->page_size * k);
}
}
@@ -654,7 +641,7 @@ static int c2_service_destroy(struct iw_cm_id *cm_id)
static int c2_pseudo_up(struct net_device *netdev)
{
struct in_device *ind;
- struct c2_dev *c2dev = netdev->priv;
+ struct c2_dev *c2dev = netdev->ml_priv;
ind = in_dev_get(netdev);
if (!ind)
@@ -679,7 +666,7 @@ static int c2_pseudo_up(struct net_device *netdev)
static int c2_pseudo_down(struct net_device *netdev)
{
struct in_device *ind;
- struct c2_dev *c2dev = netdev->priv;
+ struct c2_dev *c2dev = netdev->ml_priv;
ind = in_dev_get(netdev);
if (!ind)
@@ -709,26 +696,27 @@ static int c2_pseudo_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
static int c2_pseudo_change_mtu(struct net_device *netdev, int new_mtu)
{
- int ret = 0;
-
if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
return -EINVAL;
netdev->mtu = new_mtu;
/* TODO: Tell rnic about new rmda interface mtu */
- return ret;
+ return 0;
}
+static const struct net_device_ops c2_pseudo_netdev_ops = {
+ .ndo_open = c2_pseudo_up,
+ .ndo_stop = c2_pseudo_down,
+ .ndo_start_xmit = c2_pseudo_xmit_frame,
+ .ndo_change_mtu = c2_pseudo_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static void setup(struct net_device *netdev)
{
- netdev->open = c2_pseudo_up;
- netdev->stop = c2_pseudo_down;
- netdev->hard_start_xmit = c2_pseudo_xmit_frame;
- netdev->get_stats = NULL;
- netdev->tx_timeout = NULL;
- netdev->set_mac_address = NULL;
- netdev->change_mtu = c2_pseudo_change_mtu;
+ netdev->netdev_ops = &c2_pseudo_netdev_ops;
+
netdev->watchdog_timeo = 0;
netdev->type = ARPHRD_ETHER;
netdev->mtu = 1500;
@@ -736,7 +724,6 @@ static void setup(struct net_device *netdev)
netdev->addr_len = ETH_ALEN;
netdev->tx_queue_len = 0;
netdev->flags |= IFF_NOARP;
- return;
}
static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
@@ -747,24 +734,21 @@ static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
/* change ethxxx to iwxxx */
strcpy(name, "iw");
strcat(name, &c2dev->netdev->name[3]);
- netdev = alloc_netdev(sizeof(*netdev), name, setup);
+ netdev = alloc_netdev(0, name, setup);
if (!netdev) {
printk(KERN_ERR PFX "%s - etherdev alloc failed",
__func__);
return NULL;
}
- netdev->priv = c2dev;
+ netdev->ml_priv = c2dev;
SET_NETDEV_DEV(netdev, &c2dev->pcidev->dev);
memcpy_fromio(netdev->dev_addr, c2dev->kva + C2_REGS_RDMA_ENADDR, 6);
/* Print out the MAC address */
- pr_debug("%s: MAC %02X:%02X:%02X:%02X:%02X:%02X\n",
- netdev->name,
- netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
- netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+ pr_debug("%s: MAC %pM\n", netdev->name, netdev->dev_addr);
#if 0
/* Disable network packets */
@@ -781,11 +765,11 @@ int c2_register_device(struct c2_dev *dev)
/* Register pseudo network device */
dev->pseudo_netdev = c2_pseudo_netdev_init(dev);
if (!dev->pseudo_netdev)
- goto out3;
+ goto out;
ret = register_netdev(dev->pseudo_netdev);
if (ret)
- goto out2;
+ goto out_free_netdev;
pr_debug("%s:%u\n", __func__, __LINE__);
strlcpy(dev->ibdev.name, "amso%d", IB_DEVICE_NAME_MAX);
@@ -817,7 +801,6 @@ int c2_register_device(struct c2_dev *dev)
dev->ibdev.dma_device = &dev->pcidev->dev;
dev->ibdev.query_device = c2_query_device;
dev->ibdev.query_port = c2_query_port;
- dev->ibdev.modify_port = c2_modify_port;
dev->ibdev.query_pkey = c2_query_pkey;
dev->ibdev.query_gid = c2_query_gid;
dev->ibdev.alloc_ucontext = c2_alloc_ucontext;
@@ -852,6 +835,10 @@ int c2_register_device(struct c2_dev *dev)
dev->ibdev.post_recv = c2_post_receive;
dev->ibdev.iwcm = kmalloc(sizeof(*dev->ibdev.iwcm), GFP_KERNEL);
+ if (dev->ibdev.iwcm == NULL) {
+ ret = -ENOMEM;
+ goto out_unregister_netdev;
+ }
dev->ibdev.iwcm->add_ref = c2_add_ref;
dev->ibdev.iwcm->rem_ref = c2_rem_ref;
dev->ibdev.iwcm->get_qp = c2_get_qp;
@@ -861,25 +848,27 @@ int c2_register_device(struct c2_dev *dev)
dev->ibdev.iwcm->create_listen = c2_service_create;
dev->ibdev.iwcm->destroy_listen = c2_service_destroy;
- ret = ib_register_device(&dev->ibdev);
+ ret = ib_register_device(&dev->ibdev, NULL);
if (ret)
- goto out1;
+ goto out_free_iwcm;
for (i = 0; i < ARRAY_SIZE(c2_dev_attributes); ++i) {
ret = device_create_file(&dev->ibdev.dev,
c2_dev_attributes[i]);
if (ret)
- goto out0;
+ goto out_unregister_ibdev;
}
- goto out3;
+ goto out;
-out0:
+out_unregister_ibdev:
ib_unregister_device(&dev->ibdev);
-out1:
+out_free_iwcm:
+ kfree(dev->ibdev.iwcm);
+out_unregister_netdev:
unregister_netdev(dev->pseudo_netdev);
-out2:
+out_free_netdev:
free_netdev(dev->pseudo_netdev);
-out3:
+out:
pr_debug("%s:%u ret=%d\n", __func__, __LINE__, ret);
return ret;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-09 11:38:37 +0000