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ixgbe: add support for ndo_ll_poll

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Add the ixgbe driver code implementing ndo_ll_poll.
Adds ndo_ll_poll method and locking between it and the napi poll.
When receiving a packet we use skb_mark_ll to record the napi it came from.
Add each napi to the napi_hash right after netif_napi_add().

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Eliezer Tamir <eliezer.tamir@linux.intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eliezer Tamir
2013-06-10 11:40:20 +03:00
committed by David S. Miller
parent d30e383bb8
commit 5a85e737f3
3 changed files with 177 additions and 8 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
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@@ -811,6 +811,7 @@ static int ixgbe_alloc_q_vector(struct ixgbe_adapter *adapter,
/* initialize NAPI */
netif_napi_add(adapter->netdev, &q_vector->napi,
ixgbe_poll, 64);
napi_hash_add(&q_vector->napi);
/* tie q_vector and adapter together */
adapter->q_vector[v_idx] = q_vector;
@@ -931,6 +932,7 @@ static void ixgbe_free_q_vector(struct ixgbe_adapter *adapter, int v_idx)
adapter->rx_ring[ring->queue_index] = NULL;
adapter->q_vector[v_idx] = NULL;
napi_hash_del(&q_vector->napi);
netif_napi_del(&q_vector->napi);
/*