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path: root/drivers/net/ethernet/sfc/rx.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/rx.c')
-rw-r--r--drivers/net/ethernet/sfc/rx.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 42488df1f4ec..48588ddf81b0 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -149,7 +149,7 @@ static struct page *efx_reuse_page(struct efx_rx_queue *rx_queue)
* 0 on success. If a single page can be used for multiple buffers,
* then the page will either be inserted fully, or not at all.
*/
-static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue)
+static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue, bool atomic)
{
struct efx_nic *efx = rx_queue->efx;
struct efx_rx_buffer *rx_buf;
@@ -163,7 +163,8 @@ static int efx_init_rx_buffers(struct efx_rx_queue *rx_queue)
do {
page = efx_reuse_page(rx_queue);
if (page == NULL) {
- page = alloc_pages(__GFP_COLD | __GFP_COMP | GFP_ATOMIC,
+ page = alloc_pages(__GFP_COLD | __GFP_COMP |
+ (atomic ? GFP_ATOMIC : GFP_KERNEL),
efx->rx_buffer_order);
if (unlikely(page == NULL))
return -ENOMEM;
@@ -321,7 +322,7 @@ static void efx_discard_rx_packet(struct efx_channel *channel,
* this means this function must run from the NAPI handler, or be called
* when NAPI is disabled.
*/
-void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue)
+void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, bool atomic)
{
struct efx_nic *efx = rx_queue->efx;
unsigned int fill_level, batch_size;
@@ -354,7 +355,7 @@ void efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue)
do {
- rc = efx_init_rx_buffers(rx_queue);
+ rc = efx_init_rx_buffers(rx_queue, atomic);
if (unlikely(rc)) {
/* Ensure that we don't leave the rx queue empty */
if (rx_queue->added_count == rx_queue->removed_count)
@@ -439,7 +440,8 @@ efx_rx_packet_gro(struct efx_channel *channel, struct efx_rx_buffer *rx_buf,
}
if (efx->net_dev->features & NETIF_F_RXHASH)
- skb->rxhash = efx_rx_buf_hash(efx, eh);
+ skb_set_hash(skb, efx_rx_buf_hash(efx, eh),
+ PKT_HASH_TYPE_L3);
skb->ip_summed = ((rx_buf->flags & EFX_RX_PKT_CSUMMED) ?
CHECKSUM_UNNECESSARY : CHECKSUM_NONE);
@@ -475,14 +477,18 @@ static struct sk_buff *efx_rx_mk_skb(struct efx_channel *channel,
struct sk_buff *skb;
/* Allocate an SKB to store the headers */
- skb = netdev_alloc_skb(efx->net_dev, hdr_len + EFX_PAGE_SKB_ALIGN);
+ skb = netdev_alloc_skb(efx->net_dev,
+ efx->rx_ip_align + efx->rx_prefix_size +
+ hdr_len);
if (unlikely(skb == NULL))
return NULL;
EFX_BUG_ON_PARANOID(rx_buf->len < hdr_len);
- skb_reserve(skb, EFX_PAGE_SKB_ALIGN);
- memcpy(__skb_put(skb, hdr_len), eh, hdr_len);
+ memcpy(skb->data + efx->rx_ip_align, eh - efx->rx_prefix_size,
+ efx->rx_prefix_size + hdr_len);
+ skb_reserve(skb, efx->rx_ip_align + efx->rx_prefix_size);
+ __skb_put(skb, hdr_len);
/* Append the remaining page(s) onto the frag list */
if (rx_buf->len > hdr_len) {
@@ -619,6 +625,8 @@ static void efx_rx_deliver(struct efx_channel *channel, u8 *eh,
if (likely(rx_buf->flags & EFX_RX_PKT_CSUMMED))
skb->ip_summed = CHECKSUM_UNNECESSARY;
+ efx_rx_skb_attach_timestamp(channel, skb);
+
if (channel->type->receive_skb)
if (channel->type->receive_skb(channel, skb))
return;