ixgbe: convert rings from q_vector bit indexed array to linked list
This change converts the current bit array into a linked list so that the
q_vectors can simply go through ring by ring and locate each ring needing
to be cleaned.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 378ce46..dc3b12e1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -209,6 +209,7 @@
#define clear_ring_rsc_enabled(ring) \
clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
struct ixgbe_ring {
+ struct ixgbe_ring *next; /* pointer to next ring in q_vector */
void *desc; /* descriptor ring memory */
struct device *dev; /* device for DMA mapping */
struct net_device *netdev; /* netdev ring belongs to */
@@ -277,11 +278,7 @@
} ____cacheline_internodealigned_in_smp;
struct ixgbe_ring_container {
-#if MAX_RX_QUEUES > MAX_TX_QUEUES
- DECLARE_BITMAP(idx, MAX_RX_QUEUES);
-#else
- DECLARE_BITMAP(idx, MAX_TX_QUEUES);
-#endif
+ struct ixgbe_ring *ring; /* pointer to linked list of rings */
unsigned int total_bytes; /* total bytes processed this int */
unsigned int total_packets; /* total packets processed this int */
u16 work_limit; /* total work allowed per interrupt */