From: Krishna Kumar <krkumar2@in•ibm.com>
To: davem@davemloft•net, rdreier@cisco•com
Cc: johnpol@2ka•mipt.ru, Robert.Olsson@data•slu.se,
peter.p.waskiewicz.jr@intel•com, herbert@gondor•apana.org.au,
gaagaan@gmail•com, kumarkr@linux•ibm.com, xma@us•ibm.com,
rick.jones2@hp•com, mcarlson@broadcom•com,
netdev@vger•kernel.org, jagana@us•ibm.com,
general@lists•openfabrics.org, mchan@broadcom•com, tgraf@suug•ch,
jeff@garzik•org, hadi@cyberus•ca, kaber@trash•net,
Krishna Kumar <krkumar2@in•ibm.com>,
sri@us•ibm.com
Subject: [PATCH 02/10] Networking include file changes.
Date: Fri, 20 Jul 2007 12:02:16 +0530 [thread overview]
Message-ID: <20070720063216.26341.80316.sendpatchset@localhost.localdomain> (raw)
In-Reply-To: <20070720063149.26341.84076.sendpatchset@localhost.localdomain>
Networking include file changes for batching.
Signed-off-by: Krishna Kumar <krkumar2@in•ibm.com>
---
linux/netdevice.h | 10 ++++++++++
net/pkt_sched.h | 6 +++---
2 files changed, 13 insertions(+), 3 deletions(-)
diff -ruNp org/include/linux/netdevice.h new/include/linux/netdevice.h
--- org/include/linux/netdevice.h 2007-07-20 07:49:28.000000000 +0530
+++ new/include/linux/netdevice.h 2007-07-20 08:30:55.000000000 +0530
@@ -264,6 +264,8 @@ enum netdev_state_t
__LINK_STATE_QDISC_RUNNING,
};
+/* Minimum length of device hardware queue for batching to work */
+#define MIN_QUEUE_LEN_BATCH 16
/*
* This structure holds at boot time configured netdevice settings. They
@@ -340,6 +342,7 @@ struct net_device
#define NETIF_F_VLAN_CHALLENGED 1024 /* Device cannot handle VLAN packets */
#define NETIF_F_GSO 2048 /* Enable software GSO. */
#define NETIF_F_LLTX 4096 /* LockLess TX */
+#define NETIF_F_BATCH_SKBS 8192 /* Driver supports batch skbs API */
#define NETIF_F_MULTI_QUEUE 16384 /* Has multiple TX/RX queues */
/* Segmentation offload features */
@@ -452,6 +455,8 @@ struct net_device
struct Qdisc *qdisc_sleeping;
struct list_head qdisc_list;
unsigned long tx_queue_len; /* Max frames per queue allowed */
+ unsigned long xmit_slots; /* Device free slots */
+ struct sk_buff_head *skb_blist; /* List of batch skbs */
/* Partially transmitted GSO packet. */
struct sk_buff *gso_skb;
@@ -472,6 +477,9 @@ struct net_device
void *priv; /* pointer to private data */
int (*hard_start_xmit) (struct sk_buff *skb,
struct net_device *dev);
+ int (*hard_start_xmit_batch) (struct net_device
+ *dev);
+
/* These may be needed for future network-power-down code. */
unsigned long trans_start; /* Time (in jiffies) of last Tx */
@@ -832,6 +840,8 @@ extern int dev_set_mac_address(struct n
struct sockaddr *);
extern int dev_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev);
+extern int dev_add_skb_to_blist(struct sk_buff *skb,
+ struct net_device *dev);
extern void dev_init(void);
diff -ruNp org/include/net/pkt_sched.h new/include/net/pkt_sched.h
--- org/include/net/pkt_sched.h 2007-07-20 07:49:28.000000000 +0530
+++ new/include/net/pkt_sched.h 2007-07-20 08:30:22.000000000 +0530
@@ -80,13 +80,13 @@ extern struct qdisc_rate_table *qdisc_ge
struct rtattr *tab);
extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
-extern void __qdisc_run(struct net_device *dev);
+extern void __qdisc_run(struct net_device *dev, struct sk_buff_head *blist);
-static inline void qdisc_run(struct net_device *dev)
+static inline void qdisc_run(struct net_device *dev, struct sk_buff_head *blist)
{
if (!netif_queue_stopped(dev) &&
!test_and_set_bit(__LINK_STATE_QDISC_RUNNING, &dev->state))
- __qdisc_run(dev);
+ __qdisc_run(dev, blist);
}
extern int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
next prev parent reply other threads:[~2007-07-20 6:34 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-20 6:31 [ofa-general] [PATCH 00/10] Implement batching skb API Krishna Kumar
2007-07-20 6:32 ` [ofa-general] [PATCH 01/10] HOWTO documentation for Batching SKB Krishna Kumar
2007-07-20 6:32 ` Krishna Kumar [this message]
2007-07-20 9:59 ` [PATCH 02/10] Networking include file changes Patrick McHardy
2007-07-20 17:25 ` [ofa-general] " Sridhar Samudrala
2007-07-21 6:30 ` Krishna Kumar2
2007-07-23 5:59 ` Sridhar Samudrala
2007-07-23 6:27 ` Krishna Kumar2
2007-07-20 6:32 ` [ofa-general] [PATCH 03/10] dev.c changes Krishna Kumar
2007-07-20 10:04 ` [ofa-general] " Patrick McHardy
2007-07-20 10:27 ` Krishna Kumar2
2007-07-20 11:20 ` [ofa-general] " Patrick McHardy
2007-07-20 11:52 ` Krishna Kumar2
2007-07-20 11:55 ` Patrick McHardy
2007-07-20 12:09 ` Krishna Kumar2
2007-07-20 12:25 ` Krishna Kumar2
2007-07-20 12:37 ` Patrick McHardy
2007-07-20 17:44 ` Sridhar Samudrala
2007-07-21 6:44 ` Krishna Kumar2
2007-07-20 6:32 ` [PATCH 04/10] net-sysfs.c changes Krishna Kumar
2007-07-20 10:07 ` [ofa-general] " Patrick McHardy
2007-07-20 10:28 ` Krishna Kumar2
2007-07-20 11:21 ` Patrick McHardy
2007-07-20 16:22 ` Stephen Hemminger
2007-07-21 6:46 ` Krishna Kumar2
2007-07-23 9:56 ` Stephen Hemminger
2007-07-20 6:32 ` [ofa-general] [PATCH 05/10] sch_generic.c changes Krishna Kumar
2007-07-20 10:11 ` [ofa-general] " Patrick McHardy
2007-07-20 10:32 ` Krishna Kumar2
2007-07-20 11:24 ` Patrick McHardy
2007-07-20 18:16 ` Patrick McHardy
2007-07-21 6:56 ` Krishna Kumar2
2007-07-22 17:03 ` Patrick McHardy
2007-07-20 6:33 ` [ofa-general] [PATCH 06/10] IPoIB header file changes Krishna Kumar
2007-07-20 6:33 ` [ofa-general] [PATCH 07/10] IPoIB verb changes Krishna Kumar
2007-07-20 6:33 ` [ofa-general] [PATCH 08/10] IPoIB multicast/CM changes Krishna Kumar
2007-07-20 6:33 ` [PATCH 09/10] IPoIB batching xmit handler support Krishna Kumar
2007-07-20 6:33 ` [PATCH 10/10] IPoIB batching in internal xmit/handler routines Krishna Kumar
2007-07-20 7:18 ` [ofa-general] Re: [PATCH 00/10] Implement batching skb API Stephen Hemminger
2007-07-20 7:30 ` Krishna Kumar2
2007-07-20 7:57 ` [ofa-general] " Stephen Hemminger
2007-07-20 7:47 ` Krishna Kumar2
2007-07-21 13:46 ` [ofa-general] TCP and batching WAS(Re: " jamal
2007-07-23 9:44 ` Stephen Hemminger
2007-07-20 12:54 ` [ofa-general] " Evgeniy Polyakov
2007-07-20 13:02 ` Krishna Kumar2
2007-07-23 4:23 ` Krishna Kumar2
2007-07-21 13:18 ` [ofa-general] " jamal
2007-07-22 6:27 ` Krishna Kumar2
2007-07-22 12:51 ` jamal
2007-07-23 4:49 ` Krishna Kumar2
2007-07-23 12:32 ` jamal
2007-07-24 3:44 ` [ofa-general] " Krishna Kumar2
2007-07-24 19:28 ` jamal
2007-07-25 2:41 ` Krishna Kumar2
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