From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: netdev@vger.kernel.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: [PATCH 01/10] ftgmac100: Move ftgmac100_alloc_rx_page() before its users
Date: Thu, 6 Apr 2017 11:02:43 +1000 [thread overview]
Message-ID: <20170406010252.29208-2-benh@kernel.crashing.org> (raw)
In-Reply-To: <20170406010252.29208-1-benh@kernel.crashing.org>
Avoids a forward declaration
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
drivers/net/ethernet/faraday/ftgmac100.c | 59 +++++++++++++++-----------------
1 file changed, 28 insertions(+), 31 deletions(-)
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 88dab5f..c77a65b 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -86,9 +86,6 @@ struct ftgmac100 {
bool need_mac_restart;
};
-static int ftgmac100_alloc_rx_page(struct ftgmac100 *priv,
- struct ftgmac100_rxdes *rxdes, gfp_t gfp);
-
static void ftgmac100_set_rx_ring_base(struct ftgmac100 *priv, dma_addr_t addr)
{
iowrite32(addr, priv->base + FTGMAC100_OFFSET_RXR_BADR);
@@ -399,6 +396,34 @@ static struct page *ftgmac100_rxdes_get_page(struct ftgmac100 *priv,
return *ftgmac100_rxdes_page_slot(priv, rxdes);
}
+static int ftgmac100_alloc_rx_page(struct ftgmac100 *priv,
+ struct ftgmac100_rxdes *rxdes, gfp_t gfp)
+{
+ struct net_device *netdev = priv->netdev;
+ struct page *page;
+ dma_addr_t map;
+
+ page = alloc_page(gfp);
+ if (!page) {
+ if (net_ratelimit())
+ netdev_err(netdev, "failed to allocate rx page\n");
+ return -ENOMEM;
+ }
+
+ map = dma_map_page(priv->dev, page, 0, RX_BUF_SIZE, DMA_FROM_DEVICE);
+ if (unlikely(dma_mapping_error(priv->dev, map))) {
+ if (net_ratelimit())
+ netdev_err(netdev, "failed to map rx page\n");
+ __free_page(page);
+ return -ENOMEM;
+ }
+
+ ftgmac100_rxdes_set_page(priv, rxdes, page);
+ ftgmac100_rxdes_set_dma_addr(rxdes, map);
+ ftgmac100_rxdes_set_dma_own(priv, rxdes);
+ return 0;
+}
+
static int ftgmac100_next_rx_pointer(int pointer)
{
return (pointer + 1) & (RX_QUEUE_ENTRIES - 1);
@@ -791,34 +816,6 @@ static int ftgmac100_xmit(struct ftgmac100 *priv, struct sk_buff *skb,
return NETDEV_TX_OK;
}
-static int ftgmac100_alloc_rx_page(struct ftgmac100 *priv,
- struct ftgmac100_rxdes *rxdes, gfp_t gfp)
-{
- struct net_device *netdev = priv->netdev;
- struct page *page;
- dma_addr_t map;
-
- page = alloc_page(gfp);
- if (!page) {
- if (net_ratelimit())
- netdev_err(netdev, "failed to allocate rx page\n");
- return -ENOMEM;
- }
-
- map = dma_map_page(priv->dev, page, 0, RX_BUF_SIZE, DMA_FROM_DEVICE);
- if (unlikely(dma_mapping_error(priv->dev, map))) {
- if (net_ratelimit())
- netdev_err(netdev, "failed to map rx page\n");
- __free_page(page);
- return -ENOMEM;
- }
-
- ftgmac100_rxdes_set_page(priv, rxdes, page);
- ftgmac100_rxdes_set_dma_addr(rxdes, map);
- ftgmac100_rxdes_set_dma_own(priv, rxdes);
- return 0;
-}
-
static void ftgmac100_free_buffers(struct ftgmac100 *priv)
{
int i;
--
2.9.3
next prev parent reply other threads:[~2017-04-06 1:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-06 1:02 [PATCH 00/10] ftgmac: Rework batch 2 - RX path Benjamin Herrenschmidt
2017-04-06 1:02 ` Benjamin Herrenschmidt [this message]
2017-04-06 1:02 ` [PATCH 02/10] ftgmac100: Drop support for fragmented receive Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 03/10] ftgmac100: Use a scratch buffer for failed RX allocations Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 04/10] ftgmac100: Cleanup rx checksum handling Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 05/10] ftgmac100: Simplify rx packets error handling Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 06/10] ftgmac100: Simplify rx pointer handling in the rx path Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 07/10] ftgmac100: Directly receive into sk_buffs Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 08/10] ftgmac100: Add missing barrier in ftgmac100_rx_packet() Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 09/10] ftgmac100: Remove rx descriptor accessors Benjamin Herrenschmidt
2017-04-06 1:02 ` [PATCH 10/10] ftgmac100: Work around HW bug in runt frame detection Benjamin Herrenschmidt
2017-04-06 22:40 ` [PATCH 00/10] ftgmac: Rework batch 2 - RX path David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170406010252.29208-2-benh@kernel.crashing.org \
--to=benh@kernel.crashing.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).