From: Jakub Kicinski <kuba@kernel.org>
To: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
netdev@vger.kernel.org, magnus.karlsson@intel.com,
bjorn@kernel.org, Alexandr Lobakin <alexandr.lobakin@intel.com>
Subject: Re: [PATCH v2 bpf-next 01/10] ice: allow toggling loopback mode via ndo_set_features callback
Date: Wed, 15 Jun 2022 16:47:40 -0700 [thread overview]
Message-ID: <20220615164740.5e1f8915@kernel.org> (raw)
In-Reply-To: <20220614174749.901044-2-maciej.fijalkowski@intel.com>
On Tue, 14 Jun 2022 19:47:40 +0200 Maciej Fijalkowski wrote:
> + if (if_running)
> + ice_stop(netdev);
> + if (ice_aq_set_mac_loopback(&pf->hw, ena, NULL))
> + dev_err(ice_pf_to_dev(pf), "Failed to toggle loopback state\n");
> + if (if_running)
> + ice_open(netdev);
Loopback or not, I don't think we should be accepting the shutdown ->
set config -> pray approach in modern drivers. ice_open() seems to be
allocating all the Rx memory, and can fail.
next prev parent reply other threads:[~2022-06-15 23:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 17:47 [PATCH v2 bpf-next 00/10] AF_XDP ZC selftests Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 01/10] ice: allow toggling loopback mode via ndo_set_features callback Maciej Fijalkowski
2022-06-15 10:38 ` Alexander Lobakin
2022-06-15 14:01 ` Maciej Fijalkowski
2022-06-15 16:09 ` Maciej Fijalkowski
2022-06-15 23:47 ` Jakub Kicinski [this message]
2022-06-16 16:00 ` Maciej Fijalkowski
2022-06-16 16:47 ` Jakub Kicinski
2022-06-16 17:00 ` Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 02/10] ice: check DD bit on Rx descriptor rather than (EOP | RS) Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 03/10] ice: do not setup vlan for loopback VSI Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 04/10] selftests: xsk: query for native XDP support Maciej Fijalkowski
2022-06-15 7:07 ` Magnus Karlsson
2022-06-14 17:47 ` [PATCH v2 bpf-next 05/10] selftests: xsk: add missing close() on netns fd Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 06/10] selftests: xsk: introduce default Rx pkt stream Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 07/10] selftests: xsk: add support for executing tests on physical device Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 08/10] selftests: xsk: rely on pkts_in_flight in wait_for_tx_completion() Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 09/10] selftests: xsk: remove struct xsk_socket_info::outstanding_tx Maciej Fijalkowski
2022-06-14 17:47 ` [PATCH v2 bpf-next 10/10] selftests: xsk: add support for zero copy testing Maciej Fijalkowski
2022-06-15 7:09 ` Magnus Karlsson
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