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authorDavid S. Miller <davem@davemloft.net>2021-03-26 01:31:22 +0300
committerDavid S. Miller <davem@davemloft.net>2021-03-26 01:31:22 +0300
commitefd13b71a3fa31413f8d15342e01d44b60b0a432 (patch)
tree2ed1b299e25538c5a60485a1047507b49d3e0ecf /drivers/net/ethernet/intel/ice/ice_base.c
parent84c7f6c33f42a12eb036ebf0f0e3670799304120 (diff)
parent002322402dafd846c424ffa9240a937f49b48c42 (diff)
downloadlinux-efd13b71a3fa31413f8d15342e01d44b60b0a432.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_base.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index 3124a3bf519a..1148d768f8ed 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -275,6 +275,22 @@ ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
}
/**
+ * ice_rx_offset - Return expected offset into page to access data
+ * @rx_ring: Ring we are requesting offset of
+ *
+ * Returns the offset value for ring into the data buffer.
+ */
+static unsigned int ice_rx_offset(struct ice_ring *rx_ring)
+{
+ if (ice_ring_uses_build_skb(rx_ring))
+ return ICE_SKB_PAD;
+ else if (ice_is_xdp_ena_vsi(rx_ring->vsi))
+ return XDP_PACKET_HEADROOM;
+
+ return 0;
+}
+
+/**
* ice_setup_rx_ctx - Configure a receive ring context
* @ring: The Rx ring to configure
*
@@ -413,11 +429,15 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
else
ice_set_ring_build_skb_ena(ring);
+ ring->rx_offset = ice_rx_offset(ring);
+
/* init queue specific tail register */
ring->tail = hw->hw_addr + QRX_TAIL(pf_q);
writel(0, ring->tail);
if (ring->xsk_pool) {
+ bool ok;
+
if (!xsk_buff_can_alloc(ring->xsk_pool, num_bufs)) {
dev_warn(dev, "XSK buffer pool does not provide enough addresses to fill %d buffers on Rx ring %d\n",
num_bufs, ring->q_index);
@@ -426,8 +446,8 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
return 0;
}
- err = ice_alloc_rx_bufs_zc(ring, num_bufs);
- if (err)
+ ok = ice_alloc_rx_bufs_zc(ring, num_bufs);
+ if (!ok)
dev_info(dev, "Failed to allocate some buffers on XSK buffer pool enabled Rx ring %d (pf_q %d)\n",
ring->q_index, pf_q);
return 0;