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| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2009-02-19 20:39:23 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-20 00:22:53 -0800 |
| commit | 1bfaf07bb1d7201d3c6cb984bccd9c2416e19b6c (patch) | |
| tree | 7ec3c152351adcdac3afa62cbcbd5a31b710db94 /drivers/net/igb/igb.h | |
| parent | 46544258de71d7e32342ee71a25146ec6e2e6e47 (diff) | |
| download | linux-1bfaf07bb1d7201d3c6cb984bccd9c2416e19b6c.tar.bz2 | |
igb: add vfs_allocated_count as placeholder for number of vfs
This is the first step in supporting sr-iov. The vf_allocated_count value
will be 0 until we actually have vfs present. In the meantime it
represents an offset value for the start of the queues.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/igb/igb.h')
| -rw-r--r-- | drivers/net/igb/igb.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h index 49fc0daf45af..3d3e5f6cd313 100644 --- a/drivers/net/igb/igb.h +++ b/drivers/net/igb/igb.h @@ -57,8 +57,10 @@ struct igb_adapter; #define IGB_MIN_ITR_USECS 10 /* Transmit and receive queues */ -#define IGB_MAX_RX_QUEUES 4 -#define IGB_MAX_TX_QUEUES 4 +#define IGB_MAX_RX_QUEUES (adapter->vfs_allocated_count ? \ + (adapter->vfs_allocated_count > 6 ? 1 : 2) : 4) +#define IGB_MAX_TX_QUEUES IGB_MAX_RX_QUEUES +#define IGB_ABS_MAX_TX_QUEUES 4 /* RX descriptor control thresholds. * PTHRESH - MAC will consider prefetch if it has fewer than this number of @@ -267,9 +269,10 @@ struct igb_adapter { unsigned int flags; u32 eeprom_wol; - struct igb_ring *multi_tx_table[IGB_MAX_TX_QUEUES]; + struct igb_ring *multi_tx_table[IGB_ABS_MAX_TX_QUEUES]; unsigned int tx_ring_count; unsigned int rx_ring_count; + unsigned int vfs_allocated_count; }; #define IGB_FLAG_HAS_MSI (1 << 0) |