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IB/usnic: Port over main.c and verbs.c to the usnic_fwd.h 

This patch ports usnic_ib_main.c, usnic_ib_verbs.c and usnic_ib.h
to the new interface of usnic_fwd.h.

Signed-off-by: Upinder Malhi <umalhi@cisco.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Upinder Malhi 2014-01-09 14:48:08 -08:00 committed by Roland Dreier
parent 2183b990b6
commit 8af94ac66a
3 changed files with 39 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/infiniband/hw/usnic/usnic_ib.h
View File

@ -57,13 +57,10 @@ struct usnic_ib_dev {
struct pci_dev *pdev;
struct net_device *netdev;
struct usnic_fwd_dev *ufdev;
bool link_up;
struct list_head ib_dev_link;
struct list_head vf_dev_list;
struct list_head ctx_list;
struct mutex usdev_lock;
char mac[ETH_ALEN];
unsigned int mtu;
/* provisioning information */
struct kref vf_cnt;

38
drivers/infiniband/hw/usnic/usnic_ib_main.c
View File

@ -150,15 +150,17 @@ static void usnic_ib_handle_usdev_event(struct usnic_ib_dev *us_ibdev,
case NETDEV_UP:
case NETDEV_DOWN:
case NETDEV_CHANGE:
if (!us_ibdev->link_up && netif_carrier_ok(netdev)) {
us_ibdev->link_up = true;
if (!us_ibdev->ufdev->link_up &&
netif_carrier_ok(netdev)) {
usnic_fwd_carrier_up(us_ibdev->ufdev);
usnic_info("Link UP on %s\n", us_ibdev->ib_dev.name);
ib_event.event = IB_EVENT_PORT_ACTIVE;
ib_event.device = &us_ibdev->ib_dev;
ib_event.element.port_num = 1;
ib_dispatch_event(&ib_event);
} else if (us_ibdev->link_up && !netif_carrier_ok(netdev)) {
us_ibdev->link_up = false;
} else if (us_ibdev->ufdev->link_up &&
!netif_carrier_ok(netdev)) {
usnic_fwd_carrier_down(us_ibdev->ufdev);
usnic_info("Link DOWN on %s\n", us_ibdev->ib_dev.name);
usnic_ib_qp_grp_modify_active_to_err(us_ibdev);
ib_event.event = IB_EVENT_PORT_ERR;
@ -172,17 +174,16 @@ static void usnic_ib_handle_usdev_event(struct usnic_ib_dev *us_ibdev,
}
break;
case NETDEV_CHANGEADDR:
if (!memcmp(us_ibdev->mac, netdev->dev_addr,
sizeof(us_ibdev->mac))) {
if (!memcmp(us_ibdev->ufdev->mac, netdev->dev_addr,
sizeof(us_ibdev->ufdev->mac))) {
usnic_dbg("Ignorning addr change on %s\n",
us_ibdev->ib_dev.name);
} else {
usnic_info(" %s old mac: %pM new mac: %pM\n",
us_ibdev->ib_dev.name,
us_ibdev->mac,
us_ibdev->ufdev->mac,
netdev->dev_addr);
memcpy(us_ibdev->mac, netdev->dev_addr,
sizeof(us_ibdev->mac));
usnic_fwd_set_mac(us_ibdev->ufdev, netdev->dev_addr);
usnic_ib_qp_grp_modify_active_to_err(us_ibdev);
ib_event.event = IB_EVENT_GID_CHANGE;
ib_event.device = &us_ibdev->ib_dev;
@ -192,11 +193,11 @@ static void usnic_ib_handle_usdev_event(struct usnic_ib_dev *us_ibdev,
break;
case NETDEV_CHANGEMTU:
if (us_ibdev->mtu != netdev->mtu) {
if (us_ibdev->ufdev->mtu != netdev->mtu) {
usnic_info("MTU Change on %s old: %u new: %u\n",
us_ibdev->ib_dev.name,
us_ibdev->mtu, netdev->mtu);
us_ibdev->mtu = netdev->mtu;
us_ibdev->ufdev->mtu, netdev->mtu);
usnic_fwd_set_mtu(us_ibdev->ufdev, netdev->mtu);
usnic_ib_qp_grp_modify_active_to_err(us_ibdev);
} else {
usnic_dbg("Ignoring MTU change on %s\n",
@ -320,18 +321,19 @@ static void *usnic_ib_device_add(struct pci_dev *dev)
if (ib_register_device(&us_ibdev->ib_dev, NULL))
goto err_fwd_dealloc;
us_ibdev->link_up = netif_carrier_ok(us_ibdev->netdev);
us_ibdev->mtu = us_ibdev->netdev->mtu;
memcpy(&us_ibdev->mac, us_ibdev->netdev->dev_addr,
sizeof(us_ibdev->mac));
usnic_mac_to_gid(us_ibdev->netdev->perm_addr, &gid.raw[0]);
usnic_fwd_set_mtu(us_ibdev->ufdev, us_ibdev->netdev->mtu);
usnic_fwd_set_mac(us_ibdev->ufdev, us_ibdev->netdev->dev_addr);
if (netif_carrier_ok(us_ibdev->netdev))
usnic_fwd_carrier_up(us_ibdev->ufdev);
memcpy(&us_ibdev->ib_dev.node_guid, &gid.global.interface_id,
sizeof(gid.global.interface_id));
kref_init(&us_ibdev->vf_cnt);
usnic_info("Added ibdev: %s netdev: %s with mac %pM Link: %u MTU: %u\n",
us_ibdev->ib_dev.name, netdev_name(us_ibdev->netdev),
us_ibdev->mac, us_ibdev->link_up, us_ibdev->mtu);
us_ibdev->ufdev->mac, us_ibdev->ufdev->link_up,
us_ibdev->ufdev->mtu);
return us_ibdev;
err_fwd_dealloc:

37
drivers/infiniband/hw/usnic/usnic_ib_verbs.c
View File

@ -47,6 +47,7 @@ static int usnic_ib_fill_create_qp_resp(struct usnic_ib_qp_grp *qp_grp,
struct pci_dev *pdev;
struct vnic_dev_bar *bar;
struct usnic_vnic_res_chunk *chunk;
struct usnic_ib_qp_grp_flow *default_flow;
int i, err;
memset(&resp, 0, sizeof(resp));
@ -69,7 +70,6 @@ static int usnic_ib_fill_create_qp_resp(struct usnic_ib_qp_grp *qp_grp,
resp.vfid = usnic_vnic_get_index(qp_grp->vf->vnic);
resp.bar_bus_addr = bar->bus_addr;
resp.bar_len = bar->len;
resp.transport = qp_grp->transport;
chunk = usnic_ib_qp_grp_get_chunk(qp_grp, USNIC_VNIC_RES_TYPE_RQ);
if (IS_ERR_OR_NULL(chunk)) {
@ -113,6 +113,10 @@ static int usnic_ib_fill_create_qp_resp(struct usnic_ib_qp_grp *qp_grp,
for (i = 0; i < chunk->cnt; i++)
resp.cq_idx[i] = chunk->res[i]->vnic_idx;
default_flow = list_first_entry(&qp_grp->flows_lst,
struct usnic_ib_qp_grp_flow, link);
resp.transport = default_flow->trans_type;
err = ib_copy_to_udata(udata, &resp, sizeof(resp));
if (err) {
usnic_err("Failed to copy udata for %s", us_ibdev->ib_dev.name);
@ -125,7 +129,7 @@ static int usnic_ib_fill_create_qp_resp(struct usnic_ib_qp_grp *qp_grp,
static struct usnic_ib_qp_grp*
find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
struct usnic_ib_pd *pd,
enum usnic_transport_type transport,
struct usnic_transport_spec *trans_spec,
struct usnic_vnic_res_spec *res_spec)
{
struct usnic_ib_vf *vf;
@ -141,11 +145,6 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
return NULL;
}
if (!us_ibdev->link_up) {
usnic_info("Cannot allocate qp b/c PF link is down\n");
return NULL;
}
if (usnic_ib_share_vf) {
/* Try to find resouces on a used vf which is in pd */
dev_list = usnic_uiom_get_dev_list(pd->umem_pd);
@ -189,7 +188,7 @@ find_free_vf_and_create_qp_grp(struct usnic_ib_dev *us_ibdev,
}
qp_grp = usnic_ib_qp_grp_create(us_ibdev->ufdev, vf, pd, res_spec,
transport);
trans_spec);
spin_unlock(&vf->lock);
if (IS_ERR_OR_NULL(qp_grp)) {
usnic_err("Failed to allocate qp_grp\n");
@ -253,7 +252,7 @@ int usnic_ib_query_device(struct ib_device *ibdev,
us_ibdev->netdev->ethtool_ops->get_drvinfo(us_ibdev->netdev, &info);
us_ibdev->netdev->ethtool_ops->get_settings(us_ibdev->netdev, &cmd);
memset(props, 0, sizeof(*props));
usnic_mac_to_gid(us_ibdev->mac, &gid.raw[0]);
usnic_mac_to_gid(us_ibdev->ufdev->mac, &gid.raw[0]);
memcpy(&props->sys_image_guid, &gid.global.interface_id,
sizeof(gid.global.interface_id));
usnic_ib_fw_string_to_u64(&info.fw_version[0], &props->fw_ver);
@ -311,7 +310,7 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
props->sm_lid = 0;
props->sm_sl = 0;
if (us_ibdev->link_up) {
if (us_ibdev->ufdev->link_up) {
props->state = IB_PORT_ACTIVE;
props->phys_state = 5;
} else {
@ -327,9 +326,9 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
eth_speed_to_ib_speed(cmd.speed, &props->active_speed,
&props->active_width);
props->max_mtu = IB_MTU_4096;
props->active_mtu = iboe_get_mtu(us_ibdev->mtu);
props->active_mtu = iboe_get_mtu(us_ibdev->ufdev->mtu);
/* Userspace will adjust for hdrs */
props->max_msg_sz = us_ibdev->mtu;
props->max_msg_sz = us_ibdev->ufdev->mtu;
props->max_vl_num = 1;
mutex_unlock(&us_ibdev->usdev_lock);
@ -386,7 +385,7 @@ int usnic_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
mutex_lock(&us_ibdev->usdev_lock);
memset(&(gid->raw[0]), 0, sizeof(gid->raw));
usnic_mac_to_gid(us_ibdev->mac, &gid->raw[0]);
usnic_mac_to_gid(us_ibdev->ufdev->mac, &gid->raw[0]);
mutex_unlock(&us_ibdev->usdev_lock);
return 0;
@ -445,6 +444,7 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
struct usnic_ib_ucontext *ucontext;
int cq_cnt;
struct usnic_vnic_res_spec res_spec;
struct usnic_transport_spec trans_spec;
usnic_dbg("\n");
@ -457,12 +457,14 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
return ERR_PTR(-EINVAL);
}
memset(&trans_spec, 0, sizeof(trans_spec));
trans_spec.trans_type = USNIC_TRANSPORT_ROCE_CUSTOM;
mutex_lock(&us_ibdev->usdev_lock);
cq_cnt = (init_attr->send_cq == init_attr->recv_cq) ? 1 : 2,
res_spec = min_transport_spec[USNIC_DEFAULT_TRANSPORT];
cq_cnt = (init_attr->send_cq == init_attr->recv_cq) ? 1 : 2;
res_spec = min_transport_spec[trans_spec.trans_type];
usnic_vnic_res_spec_update(&res_spec, USNIC_VNIC_RES_TYPE_CQ, cq_cnt);
qp_grp = find_free_vf_and_create_qp_grp(us_ibdev, to_upd(pd),
USNIC_DEFAULT_TRANSPORT,
&trans_spec,
&res_spec);
if (IS_ERR_OR_NULL(qp_grp)) {
err = (qp_grp ? PTR_ERR(qp_grp) : -ENOMEM);
@ -522,8 +524,7 @@ int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
/* TODO: Future Support All States */
mutex_lock(&qp_grp->vf->pf->usdev_lock);
if ((attr_mask & IB_QP_STATE) && attr->qp_state == IB_QPS_INIT) {
status = usnic_ib_qp_grp_modify(qp_grp, IB_QPS_INIT,
&qp_grp->filters[DFLT_FILTER_IDX]);
status = usnic_ib_qp_grp_modify(qp_grp, IB_QPS_INIT, NULL);
} else if ((attr_mask & IB_QP_STATE) && attr->qp_state == IB_QPS_RTR) {
status = usnic_ib_qp_grp_modify(qp_grp, IB_QPS_RTR, NULL);
} else if ((attr_mask & IB_QP_STATE) && attr->qp_state == IB_QPS_RTS) {