void usnic_transport_put_socket(struct socket *sock)
{
char buf[100];
usnic_transport_sock_to_str(buf, sizeof(buf), sock);
usnic_dbg("Put sock %s\n", buf);
sockfd_put(sock);
}
struct socket *usnic_transport_get_socket(int sock_fd)
{
struct socket *sock;
int err;
char buf[25];
/* sockfd_lookup will internally do a fget */
sock = sockfd_lookup(sock_fd, &err);
if (!sock) {
usnic_err("Unable to lookup socket for fd %d with err %d\n",
sock_fd, err);
return ERR_PTR(-ENOENT);
}
usnic_transport_sock_to_str(buf, sizeof(buf), sock);
usnic_dbg("Get sock %s\n", buf);
return sock;
}
static ssize_t flowinfo_read(struct file *f, char __user *data,
size_t count, loff_t *ppos)
{
struct usnic_ib_qp_grp_flow *qp_flow;
int n;
int left;
char *ptr;
char buf[512];
qp_flow = f->private_data;
ptr = buf;
left = count;
if (*ppos > 0)
return 0;
spin_lock(&qp_flow->qp_grp->lock);
n = scnprintf(ptr, left,
"QP Grp ID: %d Transport: %s ",
qp_flow->qp_grp->grp_id,
usnic_transport_to_str(qp_flow->trans_type));
UPDATE_PTR_LEFT(n, ptr, left);
if (qp_flow->trans_type == USNIC_TRANSPORT_ROCE_CUSTOM) {
n = scnprintf(ptr, left, "Port_Num:%hu\n",
qp_flow->usnic_roce.port_num);
UPDATE_PTR_LEFT(n, ptr, left);
} else if (qp_flow->trans_type == USNIC_TRANSPORT_IPV4_UDP) {
n = usnic_transport_sock_to_str(ptr, left,
qp_flow->udp.sock);
UPDATE_PTR_LEFT(n, ptr, left);
n = scnprintf(ptr, left, "\n");
UPDATE_PTR_LEFT(n, ptr, left);
}
spin_unlock(&qp_flow->qp_grp->lock);
return simple_read_from_buffer(data, count, ppos, buf, ptr - buf);
}
