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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-14 10:08:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-14 10:08:24 -0700
commit6aa5fc434958d15a4d66d922d0416dfb03c07def (patch)
treec68811b0e38afe68156022bed324d8df25fb45be /include
parent362a61ad61199e19a61b8e432015e2586b288f5b (diff)
parent9ee6b7f1556e7889eff4666483b1b554d4686cd4 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (73 commits) net: Fix typo in net/core/sock.c. ppp: Do not free not yet unregistered net device. netfilter: xt_iprange: module aliases for xt_iprange netfilter: ctnetlink: dump conntrack ID in event messages irda: Fix a misalign access issue. (v2) sctp: Fix use of uninitialized pointer cipso: Relax too much careful cipso hash function. tcp FRTO: work-around inorder receivers tcp FRTO: Fix fallback to conventional recovery New maintainer for Intel ethernet adapters DM9000: Use delayed work to update MII PHY state DM9000: Update and fix driver debugging messages DM9000: Add __devinit and __devexit attributes to probe and remove sky2: fix simple define thinko [netdrvr] sfc: sfc: Add self-test support [netdrvr] sfc: Increment rx_reset when reported as driver event [netdrvr] sfc: Remove unused macro EFX_XAUI_RETRAIN_MAX [netdrvr] sfc: Fix code formatting [netdrvr] sfc: Remove kernel-doc comments for removed members of struct efx_nic [netdrvr] sfc: Remove garbage from comment ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h35
-rw-r--r--include/net/irda/discovery.h3
-rw-r--r--include/net/syncppp.h2
3 files changed, 27 insertions, 13 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7c1d4466583..b11e6e19e96 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -93,14 +93,16 @@ struct wireless_dev;
* used.
*/
-#if !defined(CONFIG_AX25) && !defined(CONFIG_AX25_MODULE) && !defined(CONFIG_TR)
-#define LL_MAX_HEADER 32
+#if defined(CONFIG_WLAN_80211) || defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
+# if defined(CONFIG_MAC80211_MESH)
+# define LL_MAX_HEADER 128
+# else
+# define LL_MAX_HEADER 96
+# endif
+#elif defined(CONFIG_TR)
+# define LL_MAX_HEADER 48
#else
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
-#define LL_MAX_HEADER 96
-#else
-#define LL_MAX_HEADER 48
-#endif
+# define LL_MAX_HEADER 32
#endif
#if !defined(CONFIG_NET_IPIP) && !defined(CONFIG_NET_IPIP_MODULE) && \
@@ -244,11 +246,16 @@ struct hh_cache
*
* We could use other alignment values, but we must maintain the
* relationship HH alignment <= LL alignment.
+ *
+ * LL_ALLOCATED_SPACE also takes into account the tailroom the device
+ * may need.
*/
#define LL_RESERVED_SPACE(dev) \
- (((dev)->hard_header_len&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+#define LL_ALLOCATED_SPACE(dev) \
+ ((((dev)->hard_header_len+(dev)->needed_headroom+(dev)->needed_tailroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,
@@ -567,6 +574,13 @@ struct net_device
unsigned short type; /* interface hardware type */
unsigned short hard_header_len; /* hardware hdr length */
+ /* extra head- and tailroom the hardware may need, but not in all cases
+ * can this be guaranteed, especially tailroom. Some cases also use
+ * LL_MAX_HEADER instead to allocate the skb.
+ */
+ unsigned short needed_headroom;
+ unsigned short needed_tailroom;
+
struct net_device *master; /* Pointer to master device of a group,
* which this device is member of.
*/
@@ -715,6 +729,9 @@ struct net_device
struct net *nd_net;
#endif
+ /* mid-layer private */
+ void *ml_priv;
+
/* bridge stuff */
struct net_bridge_port *br_port;
/* macvlan */
diff --git a/include/net/irda/discovery.h b/include/net/irda/discovery.h
index e4efad1f9ef..0ce93398720 100644
--- a/include/net/irda/discovery.h
+++ b/include/net/irda/discovery.h
@@ -57,9 +57,6 @@ typedef union {
__u8 byte[2];
} __u16_host_order;
-/* Same purpose, different application */
-#define u16ho(array) (* ((__u16 *) array))
-
/* Types of discovery */
typedef enum {
DISCOVERY_LOG, /* What's in our discovery log */
diff --git a/include/net/syncppp.h b/include/net/syncppp.h
index 877efa43470..e43f4070d89 100644
--- a/include/net/syncppp.h
+++ b/include/net/syncppp.h
@@ -59,7 +59,7 @@ struct ppp_device
static inline struct sppp *sppp_of(struct net_device *dev)
{
- struct ppp_device **ppp = dev->priv;
+ struct ppp_device **ppp = dev->ml_priv;
BUG_ON((*ppp)->dev != dev);
return &(*ppp)->sppp;
}