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List:       microblaze-uclinux
Subject:    RE: [microblaze-uclinux] TCP transmit performance
From:       "Brettschneider Falk" <fbrettschneider () baumergroup ! com>
Date:       2008-05-19 20:22:07
Message-ID: BBAE756DD108364190F99D76BF1B4101FB9618 () srv-com-1-bode ! bode ! local
[Download RAW message or body]

I just wanted to tell which functions of the TCP/IP stack I placed into BRAM with \
that pattern:  #include <linux/autoconf.h>
  #include <asm/sections.h>
  __bram_code__

Those functions are:
1) static int xenet_FifoSend(struct sk_buff *orig_skb, struct net_device *dev)        \
(./drivers/net/xilinx_emac/adapter.c) 2) int dev_hard_start_xmit(struct sk_buff *skb, \
struct net_device *dev)                 (./net/core/dev.c) 3) struct sk_buff \
*__alloc_skb(unsigned int size, gfp_t gfp_mask, int fclone, int node) \
(./net/core/skbuff.c) 4) static void skb_release_data(struct sk_buff *skb)            \
(-"-) 5) void kfree_skbmem(struct sk_buff *skb)                                       \
(-"-) 6) void __kfree_skb(struct sk_buff *skb)                                        \
(-"-) 7) int ip_output(struct sk_buff *skb)                                           \
(./net/ipv4/ip_output.c) 8) static inline int qdisc_restart(struct net_device *dev)   \
(./net/sched/sch_generic.c) 9) void __qdisc_run(struct net_device *dev)               \
(-"-)

Maybe this should become another checkbox in the kernel .config file section \
"Processor type and features", likely called CONFIG_TCP_IN_BRAM.

Cheers, F@lk

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