Date: Wed, 21 Jan 2026 14:29:47 +0000 From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 81bddae7a4dc - stable/14 - dwc: add transmit checksum offload for IPv6 Message-ID: <6970e2db.23aa2.7ef2af7b@gitrepo.freebsd.org>
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The branch stable/14 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=81bddae7a4dcea29998ed417ad55421ad401c579 commit 81bddae7a4dcea29998ed417ad55421ad401c579 Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2026-01-17 20:01:54 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2026-01-21 14:27:48 +0000 dwc: add transmit checksum offload for IPv6 This patch adds support for transmit checksum offload for TCP/IPv6 and UDP/IPv6. Reviewed by: Timo Völker Differential Revision: https://reviews.freebsd.org/D54754 (cherry picked from commit aca67c37a5215448828a2974a2ff44e75e9159bc) --- sys/dev/dwc/if_dwc.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/sys/dev/dwc/if_dwc.c b/sys/dev/dwc/if_dwc.c index 3bf49081e2da..6d9b3b192c06 100644 --- a/sys/dev/dwc/if_dwc.c +++ b/sys/dev/dwc/if_dwc.c @@ -1260,6 +1260,12 @@ dwc_ioctl(if_t ifp, u_long cmd, caddr_t data) if_sethwassistbits(ifp, CSUM_IP | CSUM_DELAY_DATA, 0); else if_sethwassistbits(ifp, 0, CSUM_IP | CSUM_DELAY_DATA); + if (mask & IFCAP_TXCSUM_IPV6) + if_togglecapenable(ifp, IFCAP_TXCSUM_IPV6); + if ((if_getcapenable(ifp) & IFCAP_TXCSUM_IPV6) != 0) + if_sethwassistbits(ifp, CSUM_DELAY_DATA_IPV6, 0); + else + if_sethwassistbits(ifp, 0, CSUM_DELAY_DATA_IPV6); if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) { DWC_LOCK(sc); @@ -1728,8 +1734,8 @@ dwc_attach(device_t dev) if_setinitfn(ifp, dwc_init); if_setsendqlen(ifp, TX_MAP_COUNT - 1); if_setsendqready(sc->ifp); - if_sethwassist(sc->ifp, CSUM_IP | CSUM_DELAY_DATA); - if_setcapabilities(sc->ifp, IFCAP_VLAN_MTU | IFCAP_HWCSUM); + if_sethwassist(sc->ifp, CSUM_IP | CSUM_DELAY_DATA | CSUM_DELAY_DATA_IPV6); + if_setcapabilities(sc->ifp, IFCAP_VLAN_MTU | IFCAP_HWCSUM | IFCAP_TXCSUM_IPV6); if_setcapenable(sc->ifp, if_getcapabilities(sc->ifp)); /* Attach the mii driver. */home | help
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