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ixgbe: Move ring features into an enum, allowing easier future maintenance

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From: Shannon Nelson <shannon.nelson@intel.com>

The ring_feature member of ixgbe_adapter is statically allocated based on
the supported features of the device.  When a new feature is added, we need
to manually update the static allocation.  This patch makes the feature
list an enum, eliminating the need for multiple updates to the code when
adding a new feature.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shannon Nelson 2009-02-24 16:36:38 -08:00 committed by David S. Miller
parent 5325a7bf92
commit c7e4358ae8
1 changed files with 10 additions and 4 deletions
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14
drivers/net/ixgbe/ixgbe.h
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@ -148,9 +148,15 @@ struct ixgbe_ring {
u16 rx_buf_len;
};
#define RING_F_DCB 0
#define RING_F_VMDQ 1
#define RING_F_RSS 2
enum ixgbe_ring_f_enum {
RING_F_NONE = 0,
RING_F_DCB,
RING_F_VMDQ,
RING_F_RSS,
RING_F_ARRAY_SIZE /* must be last in enum set */
};
#define IXGBE_MAX_DCB_INDICES 8
#define IXGBE_MAX_RSS_INDICES 16
#define IXGBE_MAX_VMDQ_INDICES 16
@ -249,7 +255,7 @@ struct ixgbe_adapter {
u64 non_eop_descs;
int num_msix_vectors;
int max_msix_q_vectors; /* true count of q_vectors for device */
struct ixgbe_ring_feature ring_feature[3];
struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
struct msix_entry *msix_entries;
u64 rx_hdr_split;