if_dwc: enable RX checksum offload feature
We claim support in ifcaps, but don't actually enable it. PR: 263886 Reviewed by: manu MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D35498
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@ -518,6 +518,20 @@ dwc_enable_mac(struct dwc_softc *sc, bool enable)
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WRITE4(sc, MAC_CONFIGURATION, reg);
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}
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static void
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dwc_enable_csum_offload(struct dwc_softc *sc)
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{
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uint32_t reg;
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DWC_ASSERT_LOCKED(sc);
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reg = READ4(sc, MAC_CONFIGURATION);
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if ((if_getcapenable(sc->ifp) & IFCAP_RXCSUM) != 0)
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reg |= CONF_IPC;
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else
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reg &= ~CONF_IPC;
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WRITE4(sc, MAC_CONFIGURATION, reg);
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}
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static void
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dwc_get_hwaddr(struct dwc_softc *sc, uint8_t *hwaddr)
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{
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@ -1163,6 +1177,7 @@ dwc_init_locked(struct dwc_softc *sc)
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dwc_setup_rxfilter(sc);
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dwc_setup_core(sc);
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dwc_enable_mac(sc, true);
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dwc_enable_csum_offload(sc);
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dwc_init_dma(sc);
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if_setdrvflagbits(ifp, IFF_DRV_RUNNING, IFF_DRV_OACTIVE);
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@ -1261,6 +1276,12 @@ dwc_ioctl(if_t ifp, u_long cmd, caddr_t data)
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if_sethwassistbits(ifp, CSUM_IP | CSUM_UDP | CSUM_TCP, 0);
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else
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if_sethwassistbits(ifp, 0, CSUM_IP | CSUM_UDP | CSUM_TCP);
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if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) {
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DWC_LOCK(sc);
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dwc_enable_csum_offload(sc);
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DWC_UNLOCK(sc);
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}
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break;
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default:
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@ -48,6 +48,7 @@
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#define CONF_PS (1 << 15) /* GMII/MII */
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#define CONF_FES (1 << 14) /* MII speed select */
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#define CONF_DM (1 << 11) /* Full Duplex Enable */
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#define CONF_IPC (1 << 10) /* IPC checksum offload */
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#define CONF_ACS (1 << 7)
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#define CONF_TE (1 << 3)
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#define CONF_RE (1 << 2)
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