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path: root/drivers/net/ethernet/intel/i40e/i40e_xsk.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_xsk.c')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 945b1bb9c6f4..c1d25b0b0ca2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -218,7 +218,6 @@ bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
ntu += nb_buffs;
if (ntu == rx_ring->count) {
rx_desc = I40E_RX_DESC(rx_ring, 0);
- xdp = i40e_rx_bi(rx_ring, 0);
ntu = 0;
}
@@ -241,21 +240,25 @@ bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
static struct sk_buff *i40e_construct_skb_zc(struct i40e_ring *rx_ring,
struct xdp_buff *xdp)
{
+ unsigned int totalsize = xdp->data_end - xdp->data_meta;
unsigned int metasize = xdp->data - xdp->data_meta;
- unsigned int datasize = xdp->data_end - xdp->data;
struct sk_buff *skb;
+ net_prefetch(xdp->data_meta);
+
/* allocate a skb to store the frags */
- skb = __napi_alloc_skb(&rx_ring->q_vector->napi,
- xdp->data_end - xdp->data_hard_start,
+ skb = __napi_alloc_skb(&rx_ring->q_vector->napi, totalsize,
GFP_ATOMIC | __GFP_NOWARN);
if (unlikely(!skb))
goto out;
- skb_reserve(skb, xdp->data - xdp->data_hard_start);
- memcpy(__skb_put(skb, datasize), xdp->data, datasize);
- if (metasize)
+ memcpy(__skb_put(skb, totalsize), xdp->data_meta,
+ ALIGN(totalsize, sizeof(long)));
+
+ if (metasize) {
skb_metadata_set(skb, metasize);
+ __skb_pull(skb, metasize);
+ }
out:
xsk_buff_free(xdp);
@@ -324,11 +327,11 @@ static void i40e_handle_xdp_result_zc(struct i40e_ring *rx_ring,
int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
{
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
- u16 cleaned_count = I40E_DESC_UNUSED(rx_ring);
u16 next_to_clean = rx_ring->next_to_clean;
u16 count_mask = rx_ring->count - 1;
unsigned int xdp_res, xdp_xmit = 0;
bool failure = false;
+ u16 cleaned_count;
while (likely(total_rx_packets < (unsigned int)budget)) {
union i40e_rx_desc *rx_desc;
@@ -467,11 +470,11 @@ static void i40e_set_rs_bit(struct i40e_ring *xdp_ring)
**/
static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
{
- struct xdp_desc *descs = xdp_ring->xsk_descs;
+ struct xdp_desc *descs = xdp_ring->xsk_pool->tx_descs;
u32 nb_pkts, nb_processed = 0;
unsigned int total_bytes = 0;
- nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, descs, budget);
+ nb_pkts = xsk_tx_peek_release_desc_batch(xdp_ring->xsk_pool, budget);
if (!nb_pkts)
return true;