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dwc: add transmit checksum offload for IPv6

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This patch adds support for transmit checksum offload for TCP/IPv6
and UDP/IPv6.

Reviewed by:		Timo Völker
MFC after:		3 days
Differential Revision:	https://reviews.freebsd.org/D54754
This commit is contained in:
Michael Tuexen
2026-01-17 21:01:54 +01:00
parent 895eeb4923
commit aca67c37a5
2 changed files with 9 additions and 3 deletions
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sys/dev/dwc/dwc1000_dma.c
+1 -1
View File
@@ -276,7 +276,7 @@ dma1000_setup_txbuf(struct dwc_softc *sc, int idx, struct mbuf **mp)
m = *mp;
if ((m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) != 0)
if ((m->m_pkthdr.csum_flags & (CSUM_DELAY_DATA | CSUM_DELAY_DATA_IPV6)) != 0)
flags = sc->dma_ext_desc ? ETDESC0_CIC_SEG : NTDESC1_CIC_SEG;
else if ((m->m_pkthdr.csum_flags & CSUM_IP) != 0)
flags = sc->dma_ext_desc ? ETDESC0_CIC_HDR : NTDESC1_CIC_HDR;
sys/dev/dwc/if_dwc.c
+8 -2
View File
@@ -271,6 +271,12 @@ 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);
@@ -607,8 +613,8 @@ 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. */