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-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c3
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c8
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c10
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.c17
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.h2
5 files changed, 17 insertions, 23 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index 554095b25f44..e36abcfeb958 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -355,9 +355,6 @@ static unsigned int ice_rx_offset(struct ice_rx_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;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 301c1efe08b4..4a35479bd7dd 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -1992,8 +1992,8 @@ void ice_update_eth_stats(struct ice_vsi *vsi)
void ice_vsi_cfg_frame_size(struct ice_vsi *vsi)
{
if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) {
- vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX;
- vsi->rx_buf_len = ICE_RXBUF_2048;
+ vsi->max_frame = ICE_MAX_FRAME_LEGACY_RX;
+ vsi->rx_buf_len = ICE_RXBUF_1664;
#if (PAGE_SIZE < 8192)
} else if (!ICE_2K_TOO_SMALL_WITH_PADDING &&
(vsi->netdev->mtu <= ETH_DATA_LEN)) {
@@ -2002,11 +2002,7 @@ void ice_vsi_cfg_frame_size(struct ice_vsi *vsi)
#endif
} else {
vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX;
-#if (PAGE_SIZE < 8192)
vsi->rx_buf_len = ICE_RXBUF_3072;
-#else
- vsi->rx_buf_len = ICE_RXBUF_2048;
-#endif
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index fce86e8ff834..f7b1acee2b71 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -7336,8 +7336,8 @@ clear_recovery:
*/
static int ice_max_xdp_frame_size(struct ice_vsi *vsi)
{
- if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags))
- return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM;
+ if (test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags))
+ return ICE_RXBUF_1664;
else
return ICE_RXBUF_3072;
}
@@ -7370,6 +7370,12 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
frame_size - ICE_ETH_PKT_HDR_PAD);
return -EINVAL;
}
+ } else if (test_bit(ICE_FLAG_LEGACY_RX, pf->flags)) {
+ if (new_mtu + ICE_ETH_PKT_HDR_PAD > ICE_MAX_FRAME_LEGACY_RX) {
+ netdev_err(netdev, "Too big MTU for legacy-rx; Max is %d\n",
+ ICE_MAX_FRAME_LEGACY_RX - ICE_ETH_PKT_HDR_PAD);
+ return -EINVAL;
+ }
}
/* if a reset is in progress, wait for some time for it to complete */
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index ccf09c957a1c..d0d78e5003d8 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -984,17 +984,15 @@ static struct sk_buff *
ice_construct_skb(struct ice_rx_ring *rx_ring, struct ice_rx_buf *rx_buf,
struct xdp_buff *xdp)
{
- unsigned int metasize = xdp->data - xdp->data_meta;
unsigned int size = xdp->data_end - xdp->data;
unsigned int headlen;
struct sk_buff *skb;
/* prefetch first cache line of first page */
- net_prefetch(xdp->data_meta);
+ net_prefetch(xdp->data);
/* allocate a skb to store the frags */
- skb = __napi_alloc_skb(&rx_ring->q_vector->napi,
- ICE_RX_HDR_SIZE + metasize,
+ skb = __napi_alloc_skb(&rx_ring->q_vector->napi, ICE_RX_HDR_SIZE,
GFP_ATOMIC | __GFP_NOWARN);
if (unlikely(!skb))
return NULL;
@@ -1006,13 +1004,8 @@ ice_construct_skb(struct ice_rx_ring *rx_ring, struct ice_rx_buf *rx_buf,
headlen = eth_get_headlen(skb->dev, xdp->data, ICE_RX_HDR_SIZE);
/* align pull length to size of long to optimize memcpy performance */
- memcpy(__skb_put(skb, headlen + metasize), xdp->data_meta,
- ALIGN(headlen + metasize, sizeof(long)));
-
- if (metasize) {
- skb_metadata_set(skb, metasize);
- __skb_pull(skb, metasize);
- }
+ memcpy(__skb_put(skb, headlen), xdp->data, ALIGN(headlen,
+ sizeof(long)));
/* if we exhaust the linear part then add what is left as a frag */
size -= headlen;
@@ -1187,7 +1180,7 @@ int ice_clean_rx_irq(struct ice_rx_ring *rx_ring, int budget)
hard_start = page_address(rx_buf->page) + rx_buf->page_offset -
offset;
- xdp_prepare_buff(&xdp, hard_start, offset, size, true);
+ xdp_prepare_buff(&xdp, hard_start, offset, size, !!offset);
#if (PAGE_SIZE > 4096)
/* At larger PAGE_SIZE, frame_sz depend on len size */
xdp.frame_sz = ice_rx_frame_truesize(rx_ring, size);
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h
index 4fd0e5d0a313..166713f8abbd 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.h
@@ -9,10 +9,12 @@
#define ICE_DFLT_IRQ_WORK 256
#define ICE_RXBUF_3072 3072
#define ICE_RXBUF_2048 2048
+#define ICE_RXBUF_1664 1664
#define ICE_RXBUF_1536 1536
#define ICE_MAX_CHAINED_RX_BUFS 5
#define ICE_MAX_BUF_TXD 8
#define ICE_MIN_TX_LEN 17
+#define ICE_MAX_FRAME_LEGACY_RX 8320
/* The size limit for a transmit buffer in a descriptor is (16K - 1).
* In order to align with the read requests we will align the value to