- add EEE defines
- add struct ethtool_eee
- backport __skb_alloc_page and __skb_alloc_pages
Signed-off-by: Stefan Assmann <sassmann@xxxxxxxxx>
---
backport/backport-include/linux/ethtool.h | 32 +++++++++++++++++++++
backport/backport-include/linux/gfp.h | 10 +++++++
backport/backport-include/linux/mdio.h | 23 +++++++++++++++-
backport/backport-include/linux/skbuff.h | 46 +++++++++++++++++++++++++++++++
4 files changed, 110 insertions(+), 1 deletion(-)
create mode 100644 backport/backport-include/linux/gfp.h
diff --git a/backport/backport-include/linux/ethtool.h b/backport/backport-include/linux/ethtool.h
index ccbec11..e375ee9 100644
--- a/backport/backport-include/linux/ethtool.h
+++ b/backport/backport-include/linux/ethtool.h
@@ -42,6 +42,37 @@ static inline __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep)
}
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
+/**
+ * struct ethtool_eee - Energy Efficient Ethernet information
+ * @cmd: ETHTOOL_{G,S}EEE
+ * @supported: Mask of %SUPPORTED_* flags for the speed/duplex combinations
+ * for which there is EEE support.
+ * @advertised: Mask of %ADVERTISED_* flags for the speed/duplex combinations
+ * advertised as eee capable.
+ * @lp_advertised: Mask of %ADVERTISED_* flags for the speed/duplex
+ * combinations advertised by the link partner as eee capable.
+ * @eee_active: Result of the eee auto negotiation.
+ * @eee_enabled: EEE configured mode (enabled/disabled).
+ * @tx_lpi_enabled: Whether the interface should assert its tx lpi, given
+ * that eee was negotiated.
+ * @tx_lpi_timer: Time in microseconds the interface delays prior to asserting
+ * its tx lpi (after reaching 'idle' state). Effective only when eee
+ * was negotiated and tx_lpi_enabled was set.
+ */
+struct ethtool_eee {
+ __u32 cmd;
+ __u32 supported;
+ __u32 advertised;
+ __u32 lp_advertised;
+ __u32 eee_active;
+ __u32 eee_enabled;
+ __u32 tx_lpi_enabled;
+ __u32 tx_lpi_timer;
+ __u32 reserved[2];
+};
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0) */
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
#define ETH_TP_MDI_AUTO 0x03 /* control: auto-select */
@@ -86,6 +117,7 @@ static inline __u32 backport_ethtool_cmd_speed(const struct ethtool_cmd *ep)
}
#define ethtool_cmd_speed LINUX_BACKPORT(ethtool_cmd_speed)
+struct ethtool_eee;
struct backport_ethtool_ops {
int (*get_settings)(struct net_device *, struct ethtool_cmd *);
int (*set_settings)(struct net_device *, struct ethtool_cmd *);
diff --git a/backport/backport-include/linux/gfp.h b/backport/backport-include/linux/gfp.h
new file mode 100644
index 0000000..2962290
--- /dev/null
+++ b/backport/backport-include/linux/gfp.h
@@ -0,0 +1,10 @@
+#ifndef __BACKPORT_LINUX_GFP_H
+#define __BACKPORT_LINUX_GFP_H
+#include_next <linux/gfp.h>
+
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0))
+#define ___GFP_MEMALLOC 0x2000u
+#define __GFP_MEMALLOC ((__force gfp_t)___GFP_MEMALLOC)/* Allow access to emergency reserves */
+#endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)) */
+
+#endif /* __BACKPORT_LINUX_GFP_H */
diff --git a/backport/backport-include/linux/mdio.h b/backport/backport-include/linux/mdio.h
index 2a38121..838958a 100644
--- a/backport/backport-include/linux/mdio.h
+++ b/backport/backport-include/linux/mdio.h
@@ -2,6 +2,28 @@
#define __BACKPORT_LINUX_MDIO_H
#include_next <linux/mdio.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
+/* EEE Supported/Advertisement/LP Advertisement registers.
+ *
+ * EEE capability Register (3.20), Advertisement (7.60) and
+ * Link partner ability (7.61) registers have and can use the same identical
+ * bit masks.
+ */
+#define MDIO_AN_EEE_ADV_100TX 0x0002 /* Advertise 100TX EEE cap */
+#define MDIO_AN_EEE_ADV_1000T 0x0004 /* Advertise 1000T EEE cap */
+/* Note: the two defines above can be potentially used by the user-land
+ * and cannot remove them now.
+ * So, we define the new generic MDIO_EEE_100TX and MDIO_EEE_1000T macros
+ * using the previous ones (that can be considered obsolete).
+ */
+#define MDIO_EEE_100TX MDIO_AN_EEE_ADV_100TX /* 100TX EEE cap */
+#define MDIO_EEE_1000T MDIO_AN_EEE_ADV_1000T /* 1000T EEE cap */
+#define MDIO_EEE_10GT 0x0008 /* 10GT EEE cap */
+#define MDIO_EEE_1000KX 0x0010 /* 1000KX EEE cap */
+#define MDIO_EEE_10GKX4 0x0020 /* 10G KX4 EEE cap */
+#define MDIO_EEE_10GKR 0x0040 /* 10G KR EEE cap */
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0) */
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0)
/**
* mmd_eee_adv_to_ethtool_adv_t
@@ -31,5 +53,4 @@ static inline u32 mmd_eee_adv_to_ethtool_adv_t(u16 eee_adv)
return adv;
}
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,7,0) */
-
#endif /* __BACKPORT_LINUX_MDIO_H */
diff --git a/backport/backport-include/linux/skbuff.h b/backport/backport-include/linux/skbuff.h
index 7d04b54..31d882a 100644
--- a/backport/backport-include/linux/skbuff.h
+++ b/backport/backport-include/linux/skbuff.h
@@ -224,6 +224,52 @@ static inline void skb_queue_splice_tail(const struct sk_buff_head *list,
skb = skb->next)
#endif /* < 2.6.28 */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0)
+/**
+ * __skb_alloc_pages - allocate pages for ps-rx on a skb and preserve pfmemalloc data
+ * @gfp_mask: alloc_pages_node mask. Set __GFP_NOMEMALLOC if not for network packet RX
+ * @skb: skb to set pfmemalloc on if __GFP_MEMALLOC is used
+ * @order: size of the allocation
+ *
+ * Allocate a new page.
+ *
+ * %NULL is returned if there is no free memory.
+*/
+static inline struct page *__skb_alloc_pages(gfp_t gfp_mask,
+ struct sk_buff *skb,
+ unsigned int order)
+{
+ struct page *page;
+
+ gfp_mask |= __GFP_COLD;
+#if 0
+ if (!(gfp_mask & __GFP_NOMEMALLOC))
+ gfp_mask |= __GFP_MEMALLOC;
+#endif
+ page = alloc_pages_node(NUMA_NO_NODE, gfp_mask, order);
+#if 0
+ if (skb && page && page->pfmemalloc)
+ skb->pfmemalloc = true;
+#endif
+ return page;
+}
+
+/**
+ * __skb_alloc_page - allocate a page for ps-rx for a given skb and preserve pfmemalloc data
+ * @gfp_mask: alloc_pages_node mask. Set __GFP_NOMEMALLOC if not for network packet RX
+ * @skb: skb to set pfmemalloc on if __GFP_MEMALLOC is used
+ *
+ * Allocate a new page.
+ *
+ * %NULL is returned if there is no free memory.
+ */
+static inline struct page *__skb_alloc_page(gfp_t gfp_mask,
+ struct sk_buff *skb)
+{
+ return __skb_alloc_pages(gfp_mask, skb, 0);
+}
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0) */
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0)
#ifndef NETDEV_FRAG_PAGE_MAX_ORDER
#define NETDEV_FRAG_PAGE_MAX_ORDER get_order(32768)
--
1.8.3.1
--
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