On Thu, Apr 20, 2017 at 6:38 AM, Davide Caratti <dcaratti@xxxxxxxxxx> wrote: > Add FCoE to the list of protocols that can set CHECKSUM_UNNECESSARY; add a > note to CHECKSUM_COMPLETE section to specify that it does not apply to SCTP > and FCoE protocols. > > Suggested-by: Tom Herbert <tom@xxxxxxxxxxxxxxx> > Signed-off-by: Davide Caratti <dcaratti@xxxxxxxxxx> > --- > include/linux/skbuff.h | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h > index 4002c11..c902b77 100644 > --- a/include/linux/skbuff.h > +++ b/include/linux/skbuff.h > @@ -109,6 +109,7 @@ > * may perform further validation in this case. > * GRE: only if the checksum is present in the header. > * SCTP: indicates the CRC in SCTP header has been validated. > + * FCOE: indicates the CRC in FC frame has been validated. > * > * skb->csum_level indicates the number of consecutive checksums found in > * the packet minus one that have been verified as CHECKSUM_UNNECESSARY. > @@ -126,8 +127,10 @@ > * packet as seen by netif_rx() and fills out in skb->csum. Meaning, the > * hardware doesn't need to parse L3/L4 headers to implement this. > * > - * Note: Even if device supports only some protocols, but is able to produce > - * skb->csum, it MUST use CHECKSUM_COMPLETE, not CHECKSUM_UNNECESSARY. > + * Notes: > + * - Even if device supports only some protocols, but is able to produce > + * skb->csum, it MUST use CHECKSUM_COMPLETE, not CHECKSUM_UNNECESSARY. > + * - CHECKSUM_COMPLETE is not applicable to SCTP and FCoE protocols. > * > * CHECKSUM_PARTIAL: > * > -- > 2.7.4 > Acked-by: Tom Herbert <tom@xxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
