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authorIntiyaz Basha <intiyaz.basha@cavium.com>2017-08-14 12:01:41 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-14 22:21:40 -0700
commit69f9c60e832575fe73cea0387c2d6a079f0fc96c (patch)
tree9a9dc3e6e5cf8a5c51eaa19104d742af6421d2b7 /drivers/net/ethernet/cavium/liquidio/lio_core.c
parentliquidio: moved update_txq_status to lio_core.c (diff)
downloadlinux-dev-69f9c60e832575fe73cea0387c2d6a079f0fc96c.tar.xz
linux-dev-69f9c60e832575fe73cea0387c2d6a079f0fc96c.zip
liquidio: moved octeon_setup_droq to lio_core.c
Moving common octeon_setup_droq to lio_core.c Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/lio_core.c')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_core.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index b55ab75a7d9c..90583ce8642d 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -397,3 +397,38 @@ void lio_update_txq_status(struct octeon_device *oct, int iq_num)
netif_wake_queue(netdev);
}
}
+
+/**
+ * \brief Setup output queue
+ * @param oct octeon device
+ * @param q_no which queue
+ * @param num_descs how many descriptors
+ * @param desc_size size of each descriptor
+ * @param app_ctx application context
+ */
+int octeon_setup_droq(struct octeon_device *oct, int q_no, int num_descs,
+ int desc_size, void *app_ctx)
+{
+ int ret_val;
+
+ dev_dbg(&oct->pci_dev->dev, "Creating Droq: %d\n", q_no);
+ /* droq creation and local register settings. */
+ ret_val = octeon_create_droq(oct, q_no, num_descs, desc_size, app_ctx);
+ if (ret_val < 0)
+ return ret_val;
+
+ if (ret_val == 1) {
+ dev_dbg(&oct->pci_dev->dev, "Using default droq %d\n", q_no);
+ return 0;
+ }
+
+ /* Enable the droq queues */
+ octeon_set_droq_pkt_op(oct, q_no, 1);
+
+ /* Send Credit for Octeon Output queues. Credits are always
+ * sent after the output queue is enabled.
+ */
+ writel(oct->droq[q_no]->max_count, oct->droq[q_no]->pkts_credit_reg);
+
+ return ret_val;
+}