From: Simon Horman <horms@kernel•org>
To: Michael Chan <michael.chan@broadcom•com>
Cc: davem@davemloft•net, netdev@vger•kernel.org, edumazet@google•com,
kuba@kernel•org, pabeni@redhat•com, pavan.chebbi@broadcom•com,
andrew.gospodarek@broadcom•com,
Hongguang Gao <hongguang.gao@broadcom•com>,
Somnath Kotur <somnath.kotur@broadcom•com>
Subject: Re: [PATCH net-next 9/9] bnxt_en: Support dynamic MSIX
Date: Mon, 15 Jul 2024 10:31:00 +0100 [thread overview]
Message-ID: <20240715093100.GL8432@kernel.org> (raw)
In-Reply-To: <20240713234339.70293-10-michael.chan@broadcom.com>
On Sat, Jul 13, 2024 at 04:43:39PM -0700, Michael Chan wrote:
> A range of MSIX vectors are allocated at initializtion for the number
> needed for RocE and L2. During run-time, if the user increases or
> decreases the number of L2 rings, all the MSIX vectors have to be
> freed and a new range has to be allocated. This is not optimal and
> causes disruptions to RoCE traffic every time there is a change in L2
> MSIX.
>
> If the system supports dynamic MSIX allocations, use dynamic
> allocation to add new L2 MSIX vectors or free unneeded L2 MSIX
> vectors. RoCE traffic is not affected using this scheme.
>
> Reviewed-by: Hongguang Gao <hongguang.gao@broadcom•com>
> Reviewed-by: Somnath Kotur <somnath.kotur@broadcom•com>
> Signed-off-by: Michael Chan <michael.chan@broadcom•com>
Reviewed-by: Simon Horman <horms@kernel•org>
next prev parent reply other threads:[~2024-07-15 9:31 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-13 23:43 [PATCH net-next 0/9] bnxt_en: Update for net-next Michael Chan
2024-07-13 23:43 ` [PATCH net-next 1/9] bnxt_en: add support for storing crash dump into host memory Michael Chan
2024-07-15 9:28 ` Simon Horman
2024-07-13 23:43 ` [PATCH net-next 2/9] bnxt_en: add support for retrieving crash dump using ethtool Michael Chan
2024-07-15 9:28 ` Simon Horman
2024-07-13 23:43 ` [PATCH net-next 3/9] bnxt_en: Support QOS and TPID settings for the SRIOV VLAN Michael Chan
2024-07-15 9:17 ` Simon Horman
2024-07-13 23:43 ` [PATCH net-next 4/9] bnxt_en: Deprecate support for legacy INTX mode Michael Chan
2024-07-15 9:28 ` Simon Horman
2024-07-15 16:24 ` Michael Chan
2024-07-16 16:57 ` Dan Carpenter
2024-07-16 17:28 ` Michael Chan
2024-07-13 23:43 ` [PATCH net-next 5/9] bnxt_en: Remove BNXT_FLAG_USING_MSIX flag Michael Chan
2024-07-15 9:29 ` Simon Horman
2024-07-15 17:32 ` Bjorn Helgaas
2024-07-15 18:00 ` Michael Chan
2024-07-13 23:43 ` [PATCH net-next 6/9] bnxt_en: Remove register mapping to support INTX Michael Chan
2024-07-15 9:30 ` Simon Horman
2024-07-15 17:27 ` Bjorn Helgaas
2024-07-13 23:43 ` [PATCH net-next 7/9] bnxt_en: Replace deprecated PCI MSIX APIs Michael Chan
2024-07-15 9:30 ` Simon Horman
2024-07-13 23:43 ` [PATCH net-next 8/9] bnxt_en: Allocate the max bp->irq_tbl size for dynamic msix allocation Michael Chan
2024-07-15 9:30 ` Simon Horman
2024-07-15 17:33 ` Bjorn Helgaas
2024-07-13 23:43 ` [PATCH net-next 9/9] bnxt_en: Support dynamic MSIX Michael Chan
2024-07-15 9:31 ` Simon Horman [this message]
2024-07-15 17:34 ` Bjorn Helgaas
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