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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 00:31:46 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-24 00:31:46 -0700
commit59a49e38711a146dc0bef4837c825b5422335460 (patch)
tree7e6e3d1850159f94e5b05d1c5775bd3cc87c3690 /include
parent52c1da39534fb382c061de58b65f678ad74b59f5 (diff)
parentf2d368fa3ef90f2159d9e542303901ebf68144dd (diff)
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h11
-rw-r--r--include/linux/pkt_cls.h1
-rw-r--r--include/linux/rtnetlink.h7
-rw-r--r--include/linux/skbuff.h23
-rw-r--r--include/linux/sysctl.h1
-rw-r--r--include/linux/tc_ematch/tc_em_text.h19
-rw-r--r--include/linux/tcp.h1
-rw-r--r--include/linux/textsearch.h180
-rw-r--r--include/linux/textsearch_fsm.h48
-rw-r--r--include/net/tcp.h4
10 files changed, 282 insertions, 13 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d89816ad642..3a0ed7f9e80 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -164,12 +164,6 @@ struct netif_rx_stats
unsigned total;
unsigned dropped;
unsigned time_squeeze;
- unsigned throttled;
- unsigned fastroute_hit;
- unsigned fastroute_success;
- unsigned fastroute_defer;
- unsigned fastroute_deferred_out;
- unsigned fastroute_latency_reduction;
unsigned cpu_collision;
};
@@ -562,12 +556,9 @@ static inline int unregister_gifconf(unsigned int family)
struct softnet_data
{
- int throttle;
- int cng_level;
- int avg_blog;
+ struct net_device *output_queue;
struct sk_buff_head input_pkt_queue;
struct list_head poll_list;
- struct net_device *output_queue;
struct sk_buff *completion_queue;
struct net_device backlog_dev; /* Sorry. 8) */
diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h
index d2aa214d680..25d2d67c1fa 100644
--- a/include/linux/pkt_cls.h
+++ b/include/linux/pkt_cls.h
@@ -408,6 +408,7 @@ enum
TCF_EM_NBYTE,
TCF_EM_U32,
TCF_EM_META,
+ TCF_EM_TEXT,
__TCF_EM_MAX
};
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index e68dbf0bf57..d021888b58f 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -892,10 +892,13 @@ extern void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const voi
goto rtattr_failure; \
__rta_fill(skb, attrtype, attrlen, data); })
-#define RTA_PUT_NOHDR(skb, attrlen, data) \
+#define RTA_APPEND(skb, attrlen, data) \
({ if (unlikely(skb_tailroom(skb) < (int)(attrlen))) \
goto rtattr_failure; \
- memcpy(skb_put(skb, RTA_ALIGN(attrlen)), data, attrlen); })
+ memcpy(skb_put(skb, attrlen), data, attrlen); })
+
+#define RTA_PUT_NOHDR(skb, attrlen, data) \
+ RTA_APPEND(skb, RTA_ALIGN(attrlen), data)
#define RTA_PUT_U8(skb, attrtype, value) \
({ u8 _tmp = (value); \
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d7c839a2184..416a2e4024b 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -27,6 +27,7 @@
#include <linux/highmem.h>
#include <linux/poll.h>
#include <linux/net.h>
+#include <linux/textsearch.h>
#include <net/checksum.h>
#define HAVE_ALLOC_SKB /* For the drivers to know */
@@ -321,6 +322,28 @@ extern void skb_over_panic(struct sk_buff *skb, int len,
extern void skb_under_panic(struct sk_buff *skb, int len,
void *here);
+struct skb_seq_state
+{
+ __u32 lower_offset;
+ __u32 upper_offset;
+ __u32 frag_idx;
+ __u32 stepped_offset;
+ struct sk_buff *root_skb;
+ struct sk_buff *cur_skb;
+ __u8 *frag_data;
+};
+
+extern void skb_prepare_seq_read(struct sk_buff *skb,
+ unsigned int from, unsigned int to,
+ struct skb_seq_state *st);
+extern unsigned int skb_seq_read(unsigned int consumed, const u8 **data,
+ struct skb_seq_state *st);
+extern void skb_abort_seq_read(struct skb_seq_state *st);
+
+extern unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
+ unsigned int to, struct ts_config *config,
+ struct ts_state *state);
+
/* Internal */
#define skb_shinfo(SKB) ((struct skb_shared_info *)((SKB)->end))
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 72965bfe6cf..ebfe1250f0a 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -243,6 +243,7 @@ enum
NET_CORE_MOD_CONG=16,
NET_CORE_DEV_WEIGHT=17,
NET_CORE_SOMAXCONN=18,
+ NET_CORE_BUDGET=19,
};
/* /proc/sys/net/ethernet */
diff --git a/include/linux/tc_ematch/tc_em_text.h b/include/linux/tc_ematch/tc_em_text.h
new file mode 100644
index 00000000000..7cd43e99c7f
--- /dev/null
+++ b/include/linux/tc_ematch/tc_em_text.h
@@ -0,0 +1,19 @@
+#ifndef __LINUX_TC_EM_TEXT_H
+#define __LINUX_TC_EM_TEXT_H
+
+#include <linux/pkt_cls.h>
+
+#define TC_EM_TEXT_ALGOSIZ 16
+
+struct tcf_em_text
+{
+ char algo[TC_EM_TEXT_ALGOSIZ];
+ __u16 from_offset;
+ __u16 to_offset;
+ __u16 pattern_len;
+ __u8 from_layer:4;
+ __u8 to_layer:4;
+ __u8 pad;
+};
+
+#endif
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 3ea75dd6640..dfd93d03f5d 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -127,6 +127,7 @@ enum {
#define TCP_WINDOW_CLAMP 10 /* Bound advertised window */
#define TCP_INFO 11 /* Information about this connection. */
#define TCP_QUICKACK 12 /* Block/reenable quick acks */
+#define TCP_CONGESTION 13 /* Congestion control algorithm */
#define TCPI_OPT_TIMESTAMPS 1
#define TCPI_OPT_SACK 2
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
new file mode 100644
index 00000000000..941f45ac117
--- /dev/null
+++ b/include/linux/textsearch.h
@@ -0,0 +1,180 @@
+#ifndef __LINUX_TEXTSEARCH_H
+#define __LINUX_TEXTSEARCH_H
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+
+struct ts_config;
+
+/**
+ * TS_AUTOLOAD - Automatically load textsearch modules when needed
+ */
+#define TS_AUTOLOAD 1
+
+/**
+ * struct ts_state - search state
+ * @offset: offset for next match
+ * @cb: control buffer, for persistant variables of get_next_block()
+ */
+struct ts_state
+{
+ unsigned int offset;
+ char cb[40];
+};
+
+/**
+ * struct ts_ops - search module operations
+ * @name: name of search algorithm
+ * @init: initialization function to prepare a search
+ * @find: find the next occurrence of the pattern
+ * @destroy: destroy algorithm specific parts of a search configuration
+ * @get_pattern: return head of pattern
+ * @get_pattern_len: return length of pattern
+ * @owner: module reference to algorithm
+ */
+struct ts_ops
+{
+ const char *name;
+ struct ts_config * (*init)(const void *, unsigned int, int);
+ unsigned int (*find)(struct ts_config *,
+ struct ts_state *);
+ void (*destroy)(struct ts_config *);
+ void * (*get_pattern)(struct ts_config *);
+ unsigned int (*get_pattern_len)(struct ts_config *);
+ struct module *owner;
+ struct list_head list;
+};
+
+/**
+ * struct ts_config - search configuration
+ * @ops: operations of chosen algorithm
+ * @get_next_block: callback to fetch the next block to search in
+ * @finish: callback to finalize a search
+ */
+struct ts_config
+{
+ struct ts_ops *ops;
+
+ /**
+ * get_next_block - fetch next block of data
+ * @consumed: number of bytes consumed by the caller
+ * @dst: destination buffer
+ * @conf: search configuration
+ * @state: search state
+ *
+ * Called repeatedly until 0 is returned. Must assign the
+ * head of the next block of data to &*dst and return the length
+ * of the block or 0 if at the end. consumed == 0 indicates
+ * a new search. May store/read persistant values in state->cb.
+ */
+ unsigned int (*get_next_block)(unsigned int consumed,
+ const u8 **dst,
+ struct ts_config *conf,
+ struct ts_state *state);
+
+ /**
+ * finish - finalize/clean a series of get_next_block() calls
+ * @conf: search configuration
+ * @state: search state
+ *
+ * Called after the last use of get_next_block(), may be used
+ * to cleanup any leftovers.
+ */
+ void (*finish)(struct ts_config *conf,
+ struct ts_state *state);
+};
+
+/**
+ * textsearch_next - continue searching for a pattern
+ * @conf: search configuration
+ * @state: search state
+ *
+ * Continues a search looking for more occurrences of the pattern.
+ * textsearch_find() must be called to find the first occurrence
+ * in order to reset the state.
+ *
+ * Returns the position of the next occurrence of the pattern or
+ * UINT_MAX if not match was found.
+ */
+static inline unsigned int textsearch_next(struct ts_config *conf,
+ struct ts_state *state)
+{
+ unsigned int ret = conf->ops->find(conf, state);
+
+ if (conf->finish)
+ conf->finish(conf, state);
+
+ return ret;
+}
+
+/**
+ * textsearch_find - start searching for a pattern
+ * @conf: search configuration
+ * @state: search state
+ *
+ * Returns the position of first occurrence of the pattern or
+ * UINT_MAX if no match was found.
+ */
+static inline unsigned int textsearch_find(struct ts_config *conf,
+ struct ts_state *state)
+{
+ state->offset = 0;
+ return textsearch_next(conf, state);
+}
+
+/**
+ * textsearch_get_pattern - return head of the pattern
+ * @conf: search configuration
+ */
+static inline void *textsearch_get_pattern(struct ts_config *conf)
+{
+ return conf->ops->get_pattern(conf);
+}
+
+/**
+ * textsearch_get_pattern_len - return length of the pattern
+ * @conf: search configuration
+ */
+static inline unsigned int textsearch_get_pattern_len(struct ts_config *conf)
+{
+ return conf->ops->get_pattern_len(conf);
+}
+
+extern int textsearch_register(struct ts_ops *);
+extern int textsearch_unregister(struct ts_ops *);
+extern struct ts_config *textsearch_prepare(const char *, const void *,
+ unsigned int, int, int);
+extern void textsearch_destroy(struct ts_config *conf);
+extern unsigned int textsearch_find_continuous(struct ts_config *,
+ struct ts_state *,
+ const void *, unsigned int);
+
+
+#define TS_PRIV_ALIGNTO 8
+#define TS_PRIV_ALIGN(len) (((len) + TS_PRIV_ALIGNTO-1) & ~(TS_PRIV_ALIGNTO-1))
+
+static inline struct ts_config *alloc_ts_config(size_t payload, int gfp_mask)
+{
+ struct ts_config *conf;
+
+ conf = kmalloc(TS_PRIV_ALIGN(sizeof(*conf)) + payload, gfp_mask);
+ if (conf == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ memset(conf, 0, TS_PRIV_ALIGN(sizeof(*conf)) + payload);
+ return conf;
+}
+
+static inline void *ts_config_priv(struct ts_config *conf)
+{
+ return ((u8 *) conf + TS_PRIV_ALIGN(sizeof(struct ts_config)));
+}
+
+#endif /* __KERNEL__ */
+
+#endif
diff --git a/include/linux/textsearch_fsm.h b/include/linux/textsearch_fsm.h
new file mode 100644
index 00000000000..fdfa078c66e
--- /dev/null
+++ b/include/linux/textsearch_fsm.h
@@ -0,0 +1,48 @@
+#ifndef __LINUX_TEXTSEARCH_FSM_H
+#define __LINUX_TEXTSEARCH_FSM_H
+
+#include <linux/types.h>
+
+enum {
+ TS_FSM_SPECIFIC, /* specific character */
+ TS_FSM_WILDCARD, /* any character */
+ TS_FSM_DIGIT, /* isdigit() */
+ TS_FSM_XDIGIT, /* isxdigit() */
+ TS_FSM_PRINT, /* isprint() */
+ TS_FSM_ALPHA, /* isalpha() */
+ TS_FSM_ALNUM, /* isalnum() */
+ TS_FSM_ASCII, /* isascii() */
+ TS_FSM_CNTRL, /* iscntrl() */
+ TS_FSM_GRAPH, /* isgraph() */
+ TS_FSM_LOWER, /* islower() */
+ TS_FSM_UPPER, /* isupper() */
+ TS_FSM_PUNCT, /* ispunct() */
+ TS_FSM_SPACE, /* isspace() */
+ __TS_FSM_TYPE_MAX,
+};
+#define TS_FSM_TYPE_MAX (__TS_FSM_TYPE_MAX - 1)
+
+enum {
+ TS_FSM_SINGLE, /* 1 occurrence */
+ TS_FSM_PERHAPS, /* 1 or 0 occurrence */
+ TS_FSM_ANY, /* 0..n occurrences */
+ TS_FSM_MULTI, /* 1..n occurrences */
+ TS_FSM_HEAD_IGNORE, /* 0..n ignored occurrences at head */
+ __TS_FSM_RECUR_MAX,
+};
+#define TS_FSM_RECUR_MAX (__TS_FSM_RECUR_MAX - 1)
+
+/**
+ * struct ts_fsm_token - state machine token (state)
+ * @type: type of token
+ * @recur: number of recurrences
+ * @value: character value for TS_FSM_SPECIFIC
+ */
+struct ts_fsm_token
+{
+ __u16 type;
+ __u8 recur;
+ __u8 value;
+};
+
+#endif
diff --git a/include/net/tcp.h b/include/net/tcp.h
index e427cf35915..ec9e20c2717 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1162,12 +1162,14 @@ extern void tcp_init_congestion_control(struct tcp_sock *tp);
extern void tcp_cleanup_congestion_control(struct tcp_sock *tp);
extern int tcp_set_default_congestion_control(const char *name);
extern void tcp_get_default_congestion_control(char *name);
+extern int tcp_set_congestion_control(struct tcp_sock *tp, const char *name);
-extern struct tcp_congestion_ops tcp_reno;
+extern struct tcp_congestion_ops tcp_init_congestion_ops;
extern u32 tcp_reno_ssthresh(struct tcp_sock *tp);
extern void tcp_reno_cong_avoid(struct tcp_sock *tp, u32 ack,
u32 rtt, u32 in_flight, int flag);
extern u32 tcp_reno_min_cwnd(struct tcp_sock *tp);
+extern struct tcp_congestion_ops tcp_reno;
static inline void tcp_set_ca_state(struct tcp_sock *tp, u8 ca_state)
{