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authorThomas Zimmermann <[email protected]>2024-02-07 12:01:19 +0000
committerThomas Zimmermann <[email protected]>2024-02-07 12:02:20 +0000
commit0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f (patch)
tree75b387bc359637c15b90ababb1ff073ca68b5bd8 /drivers/net/ethernet/intel/ice/ice_txrx_lib.h
parentdrm: mipi-dsi: make mipi_dsi_bus_type const (diff)
parentMerge tag 'drm-misc-next-2024-01-11' of git://anongit.freedesktop.org/drm/drm... (diff)
downloadkernel-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.tar.gz
kernel-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.zip
Merge drm/drm-next into drm-misc-next
Backmerging to update drm-misc-next to the state of v6.8-rc3. Also fixes a build problem with xe. Signed-off-by: Thomas Zimmermann <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx_lib.h')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx_lib.h31
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
index 762047508619..afcead4baef4 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
@@ -12,26 +12,39 @@
* act: action to store onto Rx buffers related to XDP buffer parts
*
* Set action that should be taken before putting Rx buffer from first frag
- * to one before last. Last one is handled by caller of this function as it
- * is the EOP frag that is currently being processed. This function is
- * supposed to be called only when XDP buffer contains frags.
+ * to the last.
*/
static inline void
ice_set_rx_bufs_act(struct xdp_buff *xdp, const struct ice_rx_ring *rx_ring,
const unsigned int act)
{
- const struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
- u32 first = rx_ring->first_desc;
- u32 nr_frags = sinfo->nr_frags;
+ u32 sinfo_frags = xdp_get_shared_info_from_buff(xdp)->nr_frags;
+ u32 nr_frags = rx_ring->nr_frags + 1;
+ u32 idx = rx_ring->first_desc;
u32 cnt = rx_ring->count;
struct ice_rx_buf *buf;
for (int i = 0; i < nr_frags; i++) {
- buf = &rx_ring->rx_buf[first];
+ buf = &rx_ring->rx_buf[idx];
buf->act = act;
- if (++first == cnt)
- first = 0;
+ if (++idx == cnt)
+ idx = 0;
+ }
+
+ /* adjust pagecnt_bias on frags freed by XDP prog */
+ if (sinfo_frags < rx_ring->nr_frags && act == ICE_XDP_CONSUMED) {
+ u32 delta = rx_ring->nr_frags - sinfo_frags;
+
+ while (delta) {
+ if (idx == 0)
+ idx = cnt - 1;
+ else
+ idx--;
+ buf = &rx_ring->rx_buf[idx];
+ buf->pagecnt_bias--;
+ delta--;
+ }
}
}