Differential D49428 Diff 153171 sys/dev/gve/gve_main.c

Changeset View

Standalone View

sys/dev/gve/gve_main.c

Show All 26 Lines
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS		* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.		* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/		*/
#include "gve.h"		#include "gve.h"
#include "gve_adminq.h"		#include "gve_adminq.h"
#include "gve_dqo.h"		#include "gve_dqo.h"

#define GVE_DRIVER_VERSION "GVE-FBSD-1.3.2\n"		#define GVE_DRIVER_VERSION "GVE-FBSD-1.3.3\n"
#define GVE_VERSION_MAJOR 1		#define GVE_VERSION_MAJOR 1
#define GVE_VERSION_MINOR 3		#define GVE_VERSION_MINOR 3
#define GVE_VERSION_SUB 2		#define GVE_VERSION_SUB 3

#define GVE_DEFAULT_RX_COPYBREAK 256		#define GVE_DEFAULT_RX_COPYBREAK 256

/* Devices supported by this driver. */		/* Devices supported by this driver. */
static struct gve_dev {		static struct gve_dev {
uint16_t vendor_id;		uint16_t vendor_id;
uint16_t device_id;		uint16_t device_id;
const char *name;		const char *name;
▲ Show 20 Lines • Show All 206 Lines • ▼ Show 20 Lines	gve_adjust_tx_queues(struct gve_priv *priv, uint16_t new_queue_cnt)
}		}
priv->tx_cfg.num_queues = new_queue_cnt;		priv->tx_cfg.num_queues = new_queue_cnt;

err = gve_up(priv);		err = gve_up(priv);
if (err != 0)		if (err != 0)
gve_schedule_reset(priv);		gve_schedule_reset(priv);

return (err);		return (err);
		}

		int
		gve_adjust_ring_sizes(struct gve_priv *priv, uint16_t new_desc_cnt, bool is_rx)
		{
		int err;
		uint16_t prev_desc_cnt;

		GVE_IFACE_LOCK_ASSERT(priv->gve_iface_lock);

		gve_down(priv);

		if (is_rx) {
		gve_free_rx_rings(priv, 0, priv->rx_cfg.num_queues);
		prev_desc_cnt = priv->rx_desc_cnt;
		priv->rx_desc_cnt = new_desc_cnt;
		err = gve_alloc_rx_rings(priv, 0, priv->rx_cfg.num_queues);
		if (err != 0) {
		device_printf(priv->dev,
		"Failed to allocate rings. Trying to start back up with previous ring size.");
		priv->rx_desc_cnt = prev_desc_cnt;
		err = gve_alloc_rx_rings(priv, 0, priv->rx_cfg.num_queues);
		}
		} else {
		gve_free_tx_rings(priv, 0, priv->tx_cfg.num_queues);
		prev_desc_cnt = priv->tx_desc_cnt;
		priv->tx_desc_cnt = new_desc_cnt;
		err = gve_alloc_tx_rings(priv, 0, priv->tx_cfg.num_queues);
		if (err != 0) {
		device_printf(priv->dev,
		"Failed to allocate rings. Trying to start back up with previous ring size.");
		priv->tx_desc_cnt = prev_desc_cnt;
		err = gve_alloc_tx_rings(priv, 0, priv->tx_cfg.num_queues);
		}
		}

		if (err != 0) {
		device_printf(priv->dev, "Failed to allocate rings! Cannot start device back up!");
		return (err);
		markjUnsubmitted Done Inline Actions Is this gve_down() call needed, given that we already bought the interface down? markj: Is this gve_down() call needed, given that we already bought the interface down?
		}

		err = gve_up(priv);
		if (err != 0) {
		gve_schedule_reset(priv);
		return (err);
		}

		return (0);
}		}

static int		static int
gve_set_mtu(if_t ifp, uint32_t new_mtu)		gve_set_mtu(if_t ifp, uint32_t new_mtu)
{		{
struct gve_priv *priv = if_getsoftc(ifp);		struct gve_priv *priv = if_getsoftc(ifp);
const uint32_t max_problem_range = 8227;		const uint32_t max_problem_range = 8227;
const uint32_t min_problem_range = 7822;		const uint32_t min_problem_range = 7822;
▲ Show 20 Lines • Show All 759 Lines • Show Last 20 Lines