| Message ID | 1371680317.1956.110.camel@bwh-desktop.uk.level5networks.com |
|---|---|
| State | Changes Requested, archived |
| Delegated to: | David Miller |
| Headers | show |
On Wed, 2013-06-19 at 23:18 +0100, Ben Hutchings wrote: > From: Jon Cooper <jcooper@solarflare.com> > > This allows the SKB to hold the headers without reallocation more often. > > Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> > --- > drivers/net/ethernet/sfc/rx.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c > index b915e09..6efff3d 100644 > --- a/drivers/net/ethernet/sfc/rx.c > +++ b/drivers/net/ethernet/sfc/rx.c > @@ -36,7 +36,7 @@ > #define EFX_RECYCLE_RING_SIZE_NOIOMMU (2 * EFX_RX_PREFERRED_BATCH) > > /* Size of buffer allocated for skb header area. */ > -#define EFX_SKB_HEADERS 64u > +#define EFX_SKB_HEADERS 128u > Yes, TCP with timestamps needs 66 bytes of headers on IPv4, and more on IPv6... -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index b915e09..6efff3d 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -36,7 +36,7 @@ #define EFX_RECYCLE_RING_SIZE_NOIOMMU (2 * EFX_RX_PREFERRED_BATCH) /* Size of buffer allocated for skb header area. */ -#define EFX_SKB_HEADERS 64u +#define EFX_SKB_HEADERS 128u /* This is the percentage fill level below which new RX descriptors * will be added to the RX descriptor ring.