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From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
To: hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org,
	dm-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org,
	swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org,
	leedom-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org,
	santosh-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org,
	kumaras-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org,
	nirranjan-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org
Subject: Re: [PATCHv6 net-next 20/31] iw_cxgb4: adjust tcp snd/rcv window based on link speed
Date: Wed, 12 Mar 2014 15:50:17 -0400 (EDT)	[thread overview]
Message-ID: <20140312.155017.118512327402563943.davem@davemloft.net> (raw)
In-Reply-To: <1394639446-6504-21-git-send-email-hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>

From: Hariprasad Shenai <hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
Date: Wed, 12 Mar 2014 21:20:35 +0530

> Added module option named adjust_win, defaulted to 1, that allows
> disabling the 40G window bump.  This allows a user to specify the exact
> default window sizes via module options snd_win and rcv_win.

This is terrible.  As is the existing other TCP tweaking module
parameters.

You can just use the TCP settings the kernel already provides for
the real TCP stack.
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  parent reply	other threads:[~2014-03-12 19:50 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-12 15:50 [PATCHv6 net-next 00/31] Misc. fixes for cxgb4 and iw_cxgb4 Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 01/31] cxgb4: Fix some small bugs in t4_sge_init_soft() when our Page Size is 64KB Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 02/31] cxgb4: Add code to dump SGE registers when hitting idma hangs Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 03/31] cxgb4: Rectify emitting messages about SGE Ingress DMA channels being potentially stuck Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 04/31] cxgb4: Updates for T5 SGE's Egress Congestion Threshold Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 05/31] cxgb4: Calculate len properly for LSO path Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 06/31] iw_cxgb4: cap CQ size at T4_MAX_IQ_SIZE Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 07/31] iw_cxgb4: Allow loopback connections Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 08/31] iw_cxgb4: release neigh entry Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 09/31] iw_cxgb4: Treat CPL_ERR_KEEPALV_NEG_ADVICE as negative advice Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 10/31] cxgb4/iw_cxgb4: Doorbell Drop Avoidance Bug Fixes Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 11/31] iw_cxgb4: use the BAR2/WC path for kernel QPs and T5 devices Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 12/31] iw_cxgb4: Fix incorrect BUG_ON conditions Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 13/31] iw_cxgb4: Mind the sq_sig_all/sq_sig_type QP attributes Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 14/31] iw_cxgb4: default peer2peer mode to 1 Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 16/31] iw_cxgb4: don't leak skb in c4iw_uld_rx_handler() Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 17/31] iw_cxgb4: fix possible memory leak in RX_PKT processing Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 18/31] iw_cxgb4: ignore read reponse type 1 CQEs Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 19/31] iw_cxgb4: connect_request_upcall fixes Hariprasad Shenai
     [not found] ` <1394639446-6504-1-git-send-email-hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2014-03-12 15:50   ` [PATCHv6 net-next 15/31] iw_cxgb4: save the correct map length for fast_reg_page_lists Hariprasad Shenai
2014-03-12 15:50   ` [PATCHv6 net-next 20/31] iw_cxgb4: adjust tcp snd/rcv window based on link speed Hariprasad Shenai
     [not found]     ` <1394639446-6504-21-git-send-email-hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2014-03-12 19:50       ` David Miller [this message]
     [not found]         ` <20140312.155017.118512327402563943.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-03-12 20:08           ` Steve Wise
2014-03-12 20:23             ` David Miller
     [not found]               ` <20140312.162348.2225551653125401290.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-03-12 21:29                 ` Steve Wise
2014-03-12 22:12                   ` David Miller
     [not found]                     ` <20140312.181245.1921772176964395946.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-03-12 22:57                       ` Steve Wise
2014-03-12 15:50   ` [PATCHv6 net-next 21/31] iw_cxgb4: update snd_seq when sending MPA messages Hariprasad Shenai
2014-03-12 15:50   ` [PATCHv6 net-next 29/31] iw_cxgb4: minor fixes Hariprasad Shenai
2014-03-12 15:50   ` [PATCHv6 net-next 31/31] iw_cxgb4: Use pr_warn_ratelimited Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 22/31] iw_cxgb4: lock around accept/reject downcalls Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 23/31] iw_cxgb4: drop RX_DATA packets if the endpoint is gone Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 24/31] iw_cxgb4: rx_data() needs to hold the ep mutex Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 25/31] iw_cxgb4: endpoint timeout fixes Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 26/31] iw_cxgb4: rmb() after reading valid gen bit Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 27/31] iw_cxgb4: wc_wmb() needed after DB writes Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 28/31] iw_cxgb4: SQ flush fix Hariprasad Shenai
2014-03-12 15:50 ` [PATCHv6 net-next 30/31] iw_cxgb4: Max fastreg depth depends on DSGL support Hariprasad Shenai
2014-03-12 19:51 ` [PATCHv6 net-next 00/31] Misc. fixes for cxgb4 and iw_cxgb4 David Miller
     [not found]   ` <20140312.155125.1045693666130935765.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-03-12 19:57     ` Steve Wise
2014-03-12 23:48     ` Casey Leedom
     [not found]   ` <03F31BF5-3DB6-4199-8DAB-A97BFB35D35F@chelsio.com>
     [not found]     ` <03F31BF5-3DB6-4199-8DAB-A97BFB35D35F-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
2014-03-12 23:52       ` David Miller

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