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| author | Scott Feldman <scofeldm@cisco.com> | 2009-12-23 14:27:54 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-24 06:03:41 +0100 |
| commit | 7c8445991172cc17eaca9f7de0a300c02caaa49d (patch) | |
| tree | 0518a514d0d3e5af0d6442a2ef72aa10bbce58ae /drivers/net/enic/vnic_enet.h | |
| parent | enic: Bug fix: align desc ring sizes to 32 descs (diff) | |
| download | linux-7c8445991172cc17eaca9f7de0a300c02caaa49d.tar.xz linux-7c8445991172cc17eaca9f7de0a300c02caaa49d.zip | |
enic: feature add: add ethtool -c/C support
Only rx_usec and tx_usec options for ethtool -C are settable as those
are the only settings that make sense to HW. Adds driver reporting of
intr coalescing timer value in usec units rather than HW units.
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/enic/vnic_enet.h')
| -rw-r--r-- | drivers/net/enic/vnic_enet.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/enic/vnic_enet.h b/drivers/net/enic/vnic_enet.h index 6332ac9391b8..8eeb6758491b 100644 --- a/drivers/net/enic/vnic_enet.h +++ b/drivers/net/enic/vnic_enet.h @@ -20,6 +20,10 @@ #ifndef _VNIC_ENIC_H_ #define _VNIC_ENIC_H_ +/* Hardware intr coalesce timer is in units of 1.5us */ +#define INTR_COALESCE_USEC_TO_HW(usec) ((usec) * 2/3) +#define INTR_COALESCE_HW_TO_USEC(usec) ((usec) * 3/2) + /* Device-specific region: enet configuration */ struct vnic_enet_config { u32 flags; @@ -30,6 +34,7 @@ struct vnic_enet_config { u8 intr_timer_type; u8 intr_mode; char devname[16]; + u32 intr_timer_usec; }; #define VENETF_TSO 0x1 /* TSO enabled */ |