diff options
Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_utils.c')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_utils.c | 48 |
1 files changed, 43 insertions, 5 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_utils.c b/drivers/net/ethernet/google/gve/gve_utils.c index 26e08d7532..2349750075 100644 --- a/drivers/net/ethernet/google/gve/gve_utils.c +++ b/drivers/net/ethernet/google/gve/gve_utils.c @@ -8,6 +8,14 @@ #include "gve_adminq.h" #include "gve_utils.h" +bool gve_tx_was_added_to_block(struct gve_priv *priv, int queue_idx) +{ + struct gve_notify_block *block = + &priv->ntfy_blocks[gve_tx_idx_to_ntfy(priv, queue_idx)]; + + return block->tx != NULL; +} + void gve_tx_remove_from_block(struct gve_priv *priv, int queue_idx) { struct gve_notify_block *block = @@ -30,6 +38,14 @@ void gve_tx_add_to_block(struct gve_priv *priv, int queue_idx) queue_idx); } +bool gve_rx_was_added_to_block(struct gve_priv *priv, int queue_idx) +{ + struct gve_notify_block *block = + &priv->ntfy_blocks[gve_rx_idx_to_ntfy(priv, queue_idx)]; + + return block->rx != NULL; +} + void gve_rx_remove_from_block(struct gve_priv *priv, int queue_idx) { struct gve_notify_block *block = @@ -48,11 +64,9 @@ void gve_rx_add_to_block(struct gve_priv *priv, int queue_idx) rx->ntfy_id = ntfy_idx; } -struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi, - struct gve_rx_slot_page_info *page_info, u16 len) +struct sk_buff *gve_rx_copy_data(struct net_device *dev, struct napi_struct *napi, + u8 *data, u16 len) { - void *va = page_info->page_address + page_info->page_offset + - page_info->pad; struct sk_buff *skb; skb = napi_alloc_skb(napi, len); @@ -60,12 +74,21 @@ struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi, return NULL; __skb_put(skb, len); - skb_copy_to_linear_data_offset(skb, 0, va, len); + skb_copy_to_linear_data_offset(skb, 0, data, len); skb->protocol = eth_type_trans(skb, dev); return skb; } +struct sk_buff *gve_rx_copy(struct net_device *dev, struct napi_struct *napi, + struct gve_rx_slot_page_info *page_info, u16 len) +{ + void *va = page_info->page_address + page_info->page_offset + + page_info->pad; + + return gve_rx_copy_data(dev, napi, va, len); +} + void gve_dec_pagecnt_bias(struct gve_rx_slot_page_info *page_info) { page_info->pagecnt_bias--; @@ -81,3 +104,18 @@ void gve_dec_pagecnt_bias(struct gve_rx_slot_page_info *page_info) page_ref_add(page_info->page, INT_MAX - pagecount); } } + +void gve_add_napi(struct gve_priv *priv, int ntfy_idx, + int (*gve_poll)(struct napi_struct *, int)) +{ + struct gve_notify_block *block = &priv->ntfy_blocks[ntfy_idx]; + + netif_napi_add(priv->dev, &block->napi, gve_poll); +} + +void gve_remove_napi(struct gve_priv *priv, int ntfy_idx) +{ + struct gve_notify_block *block = &priv->ntfy_blocks[ntfy_idx]; + + netif_napi_del(&block->napi); +} |