From: Shannon Nelson <snelson@pensando.io>
To: David Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH v4 net-next 11/19] ionic: Add Rx filter and rx_mode ndo support
Date: Tue, 23 Jul 2019 15:50:43 -0700 [thread overview]
Message-ID: <e0c8417c-75bf-837f-01b5-60df302dafa7@pensando.io> (raw)
In-Reply-To: <20190723.143326.197667027838462669.davem@davemloft.net>
On 7/23/19 2:33 PM, David Miller wrote:
> From: Shannon Nelson <snelson@pensando.io>
> Date: Mon, 22 Jul 2019 14:40:15 -0700
>
>> + if (in_interrupt()) {
>> + work = kzalloc(sizeof(*work), GFP_ATOMIC);
>> + if (!work) {
>> + netdev_err(lif->netdev, "%s OOM\n", __func__);
>> + return -ENOMEM;
>> + }
>> + work->type = add ? DW_TYPE_RX_ADDR_ADD : DW_TYPE_RX_ADDR_DEL;
>> + memcpy(work->addr, addr, ETH_ALEN);
>> + netdev_dbg(lif->netdev, "deferred: rx_filter %s %pM\n",
>> + add ? "add" : "del", addr);
>> + ionic_lif_deferred_enqueue(&lif->deferred, work);
>> + } else {
>> + netdev_dbg(lif->netdev, "rx_filter %s %pM\n",
>> + add ? "add" : "del", addr);
>> + if (add)
>> + return ionic_lif_addr_add(lif, addr);
>> + else
>> + return ionic_lif_addr_del(lif, addr);
>> + }
> I don't know about this.
>
> Generally interface address changes are expected to be synchronous.
Yeah, this bothers me a bit as well, but the address change calls come
in under spin_lock_bh(), and I'm reluctant to make an AdminQ call under
the _bh that could block for a few seconds.
sln
next prev parent reply other threads:[~2019-07-23 22:50 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-22 21:40 [PATCH v4 net-next 00/19] Add ionic driver Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 01/19] ionic: Add basic framework for IONIC Network device driver Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 02/19] ionic: Add hardware init and device commands Shannon Nelson
2019-07-23 21:18 ` David Miller
2019-07-23 22:50 ` Shannon Nelson
2019-07-23 23:05 ` David Miller
2019-07-23 23:23 ` Shannon Nelson
2019-07-24 17:49 ` Shannon Nelson
2019-07-24 20:07 ` David Miller
2019-07-23 23:47 ` Saeed Mahameed
2019-07-24 0:25 ` Shannon Nelson
2019-07-24 20:23 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 03/19] ionic: Add port management commands Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 04/19] ionic: Add basic lif support Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 05/19] ionic: Add interrupts and doorbells Shannon Nelson
2019-07-23 21:24 ` David Miller
2019-07-23 22:50 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 06/19] ionic: Add basic adminq support Shannon Nelson
2019-07-23 21:27 ` David Miller
2019-07-23 22:50 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 07/19] ionic: Add adminq action Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 08/19] ionic: Add notifyq support Shannon Nelson
2019-07-24 23:21 ` Saeed Mahameed
2019-07-30 18:35 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 09/19] ionic: Add the basic NDO callbacks for netdev support Shannon Nelson
2019-07-24 23:45 ` Saeed Mahameed
2019-07-30 18:35 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 10/19] ionic: Add management of rx filters Shannon Nelson
2019-07-24 23:52 ` Saeed Mahameed
2019-07-22 21:40 ` [PATCH v4 net-next 11/19] ionic: Add Rx filter and rx_mode ndo support Shannon Nelson
2019-07-23 21:33 ` David Miller
2019-07-23 22:50 ` Shannon Nelson [this message]
2019-07-23 23:06 ` David Miller
2019-07-23 23:54 ` Saeed Mahameed
2019-07-24 0:19 ` Shannon Nelson
2019-07-24 0:19 ` Shannon Nelson
2019-07-23 22:51 ` Saeed Mahameed
2019-07-23 23:20 ` Saeed Mahameed
2019-07-24 0:07 ` Shannon Nelson
2019-07-24 21:10 ` Saeed Mahameed
2019-07-22 21:40 ` [PATCH v4 net-next 12/19] ionic: Add async link status check and basic stats Shannon Nelson
2019-07-25 0:04 ` Saeed Mahameed
2019-07-30 18:35 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 13/19] ionic: Add initial ethtool support Shannon Nelson
2019-07-23 21:35 ` David Miller
2019-07-23 22:50 ` Shannon Nelson
2019-07-25 0:17 ` Saeed Mahameed
2019-07-30 18:57 ` Shannon Nelson
2019-07-25 13:28 ` Andrew Lunn
2019-07-25 13:35 ` Andrew Lunn
2019-07-30 21:51 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 14/19] ionic: Add Tx and Rx handling Shannon Nelson
2019-07-23 21:36 ` David Miller
2019-07-25 23:48 ` Saeed Mahameed
2019-08-09 22:27 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 15/19] ionic: Add netdev-event handling Shannon Nelson
2019-07-25 23:55 ` Saeed Mahameed
2019-07-30 22:53 ` Shannon Nelson
2019-07-30 23:39 ` Stephen Hemminger
2019-07-31 1:10 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 16/19] ionic: Add driver stats Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 17/19] ionic: Add RSS support Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 18/19] ionic: Add coalesce and other features Shannon Nelson
2019-07-23 21:40 ` David Miller
2019-07-26 0:13 ` Saeed Mahameed
2019-08-02 21:48 ` Shannon Nelson
2019-07-22 21:40 ` [PATCH v4 net-next 19/19] ionic: Add basic devlink interface Shannon Nelson
2019-07-23 21:40 ` David Miller
2019-07-23 22:50 ` Shannon Nelson
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