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Lines 119-129
__FBSDID("$FreeBSD$");
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#include "miibus_if.h" |
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#include "miibus_if.h" |
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SYSCTL_NODE(_hw_usb, OID_AUTO, smsc, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, |
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"USB smsc"); |
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static bool smsc_rx_packet_batching = 1; |
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SYSCTL_BOOL(_hw_usb_smsc, OID_AUTO, smsc_rx_packet_batching, CTLFLAG_RDTUN, |
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&smsc_rx_packet_batching, 0, |
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"Multiple frames per RX transaction. Increases throughput and latency"); |
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#ifdef USB_DEBUG |
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#ifdef USB_DEBUG |
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static int smsc_debug = 0; |
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static int smsc_debug = 0; |
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SYSCTL_NODE(_hw_usb, OID_AUTO, smsc, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, |
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"USB smsc"); |
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SYSCTL_INT(_hw_usb_smsc, OID_AUTO, debug, CTLFLAG_RWTUN, &smsc_debug, 0, |
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SYSCTL_INT(_hw_usb_smsc, OID_AUTO, debug, CTLFLAG_RWTUN, &smsc_debug, 0, |
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"Debug level"); |
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"Debug level"); |
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#endif |
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#endif |
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Lines 1377-1383
smsc_chip_init(struct smsc_softc *sc)
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* Burst capability is the number of URBs that can be in a burst of data/ |
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* Burst capability is the number of URBs that can be in a burst of data/ |
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* ethernet frames. |
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* ethernet frames. |
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*/ |
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*/ |
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if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_HIGH) |
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if (!smsc_rx_packet_batching) |
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burst_cap = 0; |
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else if (usbd_get_speed(sc->sc_ue.ue_udev) == USB_SPEED_HIGH) |
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burst_cap = 37; |
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burst_cap = 37; |
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else |
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else |
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burst_cap = 128; |
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burst_cap = 128; |
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Lines 1404-1410
smsc_chip_init(struct smsc_softc *sc)
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/* The following setings are used for 'turbo mode', a.k.a multiple frames |
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/* The following setings are used for 'turbo mode', a.k.a multiple frames |
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* per Rx transaction (again info taken form Linux driver). |
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* per Rx transaction (again info taken form Linux driver). |
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*/ |
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*/ |
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reg_val |= (SMSC_HW_CFG_MEF | SMSC_HW_CFG_BCE); |
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if (smsc_rx_packet_batching) |
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reg_val |= (SMSC_HW_CFG_MEF | SMSC_HW_CFG_BCE); |
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smsc_write_reg(sc, SMSC_HW_CFG, reg_val); |
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smsc_write_reg(sc, SMSC_HW_CFG, reg_val); |
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