Differential D46691 Diff 145996 sys/dev/gve/gve_main.c

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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-1.2.0\n"		#define GVE_DRIVER_VERSION "GVE-FBSD-1.3.0\n"
#define GVE_VERSION_MAJOR 1		#define GVE_VERSION_MAJOR 1
#define GVE_VERSION_MINOR 2		#define GVE_VERSION_MINOR 3
#define GVE_VERSION_SUB 0		#define GVE_VERSION_SUB 0

#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;
▲ Show 20 Lines • Show All 74 Lines • ▼ Show 20 Lines	if (if_getcapenable(ifp) & IFCAP_TXCSUM)
if_sethwassistbits(ifp, CSUM_TCP \| CSUM_UDP, 0);		if_sethwassistbits(ifp, CSUM_TCP \| CSUM_UDP, 0);
if (if_getcapenable(ifp) & IFCAP_TXCSUM_IPV6)		if (if_getcapenable(ifp) & IFCAP_TXCSUM_IPV6)
if_sethwassistbits(ifp, CSUM_IP6_TCP \| CSUM_IP6_UDP, 0);		if_sethwassistbits(ifp, CSUM_IP6_TCP \| CSUM_IP6_UDP, 0);
if (if_getcapenable(ifp) & IFCAP_TSO4)		if (if_getcapenable(ifp) & IFCAP_TSO4)
if_sethwassistbits(ifp, CSUM_IP_TSO, 0);		if_sethwassistbits(ifp, CSUM_IP_TSO, 0);
if (if_getcapenable(ifp) & IFCAP_TSO6)		if (if_getcapenable(ifp) & IFCAP_TSO6)
if_sethwassistbits(ifp, CSUM_IP6_TSO, 0);		if_sethwassistbits(ifp, CSUM_IP6_TSO, 0);

if (gve_is_gqi(priv)) {		if (gve_is_qpl(priv)) {
err = gve_register_qpls(priv);		err = gve_register_qpls(priv);
if (err != 0)		if (err != 0)
goto reset;		goto reset;
}		}

err = gve_create_rx_rings(priv);		err = gve_create_rx_rings(priv);
if (err != 0)		if (err != 0)
goto reset;		goto reset;
Show All 35 Lines	gve_down(struct gve_priv *priv)
if_setdrvflagbits(priv->ifp, IFF_DRV_OACTIVE, IFF_DRV_RUNNING);		if_setdrvflagbits(priv->ifp, IFF_DRV_OACTIVE, IFF_DRV_RUNNING);

if (gve_destroy_rx_rings(priv) != 0)		if (gve_destroy_rx_rings(priv) != 0)
goto reset;		goto reset;

if (gve_destroy_tx_rings(priv) != 0)		if (gve_destroy_tx_rings(priv) != 0)
goto reset;		goto reset;

if (gve_is_gqi(priv)) {		if (gve_is_qpl(priv)) {
if (gve_unregister_qpls(priv) != 0)		if (gve_unregister_qpls(priv) != 0)
goto reset;		goto reset;
}		}

if (gve_is_gqi(priv))		if (gve_is_gqi(priv))
gve_mask_all_queue_irqs(priv);		gve_mask_all_queue_irqs(priv);
gve_clear_state_flag(priv, GVE_STATE_FLAG_QUEUES_UP);		gve_clear_state_flag(priv, GVE_STATE_FLAG_QUEUES_UP);
priv->interface_down_cnt++;		priv->interface_down_cnt++;
▲ Show 20 Lines • Show All 181 Lines • ▼ Show 20 Lines	gve_setup_ifnet(device_t dev, struct gve_priv *priv)
if_setdev(ifp, dev);		if_setdev(ifp, dev);
if_setinitfn(ifp, gve_init);		if_setinitfn(ifp, gve_init);
if_setioctlfn(ifp, gve_ioctl);		if_setioctlfn(ifp, gve_ioctl);
if_settransmitfn(ifp, gve_xmit_ifp);		if_settransmitfn(ifp, gve_xmit_ifp);
if_setqflushfn(ifp, gve_qflush);		if_setqflushfn(ifp, gve_qflush);

/*		/*
* Set TSO limits, must match the arguments to bus_dma_tag_create		* Set TSO limits, must match the arguments to bus_dma_tag_create
* when creating tx->dqo.buf_dmatag		* when creating tx->dqo.buf_dmatag. Only applies to the RDA mode
		* because in QPL we copy the entire pakcet into the bounce buffer
		* and thus it does not matter how fragmented the mbuf is.
*/		*/
if (!gve_is_gqi(priv)) {		if (!gve_is_gqi(priv) && !gve_is_qpl(priv)) {
if_sethwtsomax(ifp, GVE_TSO_MAXSIZE_DQO);
if_sethwtsomaxsegcount(ifp, GVE_TX_MAX_DATA_DESCS_DQO);		if_sethwtsomaxsegcount(ifp, GVE_TX_MAX_DATA_DESCS_DQO);
if_sethwtsomaxsegsize(ifp, GVE_TX_MAX_BUF_SIZE_DQO);		if_sethwtsomaxsegsize(ifp, GVE_TX_MAX_BUF_SIZE_DQO);
}		}
		if_sethwtsomax(ifp, GVE_TSO_MAXSIZE_DQO);

#if __FreeBSD_version >= 1400086		#if __FreeBSD_version >= 1400086
if_setflags(ifp, IFF_BROADCAST \| IFF_SIMPLEX \| IFF_MULTICAST);		if_setflags(ifp, IFF_BROADCAST \| IFF_SIMPLEX \| IFF_MULTICAST);
#else		#else
if_setflags(ifp, IFF_BROADCAST \| IFF_SIMPLEX \| IFF_MULTICAST \| IFF_KNOWSEPOCH);		if_setflags(ifp, IFF_BROADCAST \| IFF_SIMPLEX \| IFF_MULTICAST \| IFF_KNOWSEPOCH);
#endif		#endif

ifmedia_init(&priv->media, IFM_IMASK, gve_media_change, gve_media_status);		ifmedia_init(&priv->media, IFM_IMASK, gve_media_change, gve_media_status);
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}		}

static void		static void
gve_free_rings(struct gve_priv *priv)		gve_free_rings(struct gve_priv *priv)
{		{
gve_free_irqs(priv);		gve_free_irqs(priv);
gve_free_tx_rings(priv);		gve_free_tx_rings(priv);
gve_free_rx_rings(priv);		gve_free_rx_rings(priv);
if (gve_is_gqi(priv))		if (gve_is_qpl(priv))
gve_free_qpls(priv);		gve_free_qpls(priv);
}		}

static int		static int
gve_alloc_rings(struct gve_priv *priv)		gve_alloc_rings(struct gve_priv *priv)
{		{
int err;		int err;

if (gve_is_gqi(priv)) {		if (gve_is_qpl(priv)) {
err = gve_alloc_qpls(priv);		err = gve_alloc_qpls(priv);
if (err != 0)		if (err != 0)
goto abort;		goto abort;
}		}

err = gve_alloc_rx_rings(priv);		err = gve_alloc_rx_rings(priv);
if (err != 0)		if (err != 0)
goto abort;		goto abort;
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