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Message-ID: <20210316034208.GD29414@work>
Date: Tue, 16 Mar 2021 09:12:08 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Alex Elder <elder@...aro.org>
Cc: davem@...emloft.net, kuba@...nel.org, bjorn.andersson@...aro.org,
evgreen@...omium.org, cpratapa@...eaurora.org, elder@...nel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/3] net: ipa: fix another QMI message definition
On Mon, Mar 15, 2021 at 10:21:11AM -0500, Alex Elder wrote:
> The ipa_init_modem_driver_req_ei[] encoding array for the
> INIT_MODEM_DRIVER request message has some errors in it.
>
> First, the tlv_type associated with the hw_stats_quota_size field is
> wrong; it duplicates the valiue used for the hw_stats_quota_base_addr
> field (0x1f) and should use 0x20 instead. The tlv_type value for
> the hw_stats_drop_size field also uses the same duplicate value; it
> should use 0x22 instead.
>
> Second, there is no definition for the hw_stats_drop_base_addr
> field. It is an optional 32-bit enumerated type value.
>
> Finally, the hw_stats_quota_base_addr, hw_stats_quota_size, and
> hw_stats_drop_size fields are defined as enumerated types; they
> should be unsigned 4-byte values.
>
> Reported-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> Signed-off-by: Alex Elder <elder@...aro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Thanks,
Mani
> ---
> drivers/net/ipa/ipa_qmi_msg.c | 34 +++++++++++++++++++++++++++-------
> 1 file changed, 27 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/net/ipa/ipa_qmi_msg.c b/drivers/net/ipa/ipa_qmi_msg.c
> index e00f829a783f6..e4a6efbe9bd00 100644
> --- a/drivers/net/ipa/ipa_qmi_msg.c
> +++ b/drivers/net/ipa/ipa_qmi_msg.c
> @@ -530,7 +530,7 @@ struct qmi_elem_info ipa_init_modem_driver_req_ei[] = {
> hw_stats_quota_base_addr_valid),
> },
> {
> - .data_type = QMI_SIGNED_4_BYTE_ENUM,
> + .data_type = QMI_UNSIGNED_4_BYTE,
> .elem_len = 1,
> .elem_size =
> sizeof_field(struct ipa_init_modem_driver_req,
> @@ -545,37 +545,57 @@ struct qmi_elem_info ipa_init_modem_driver_req_ei[] = {
> .elem_size =
> sizeof_field(struct ipa_init_modem_driver_req,
> hw_stats_quota_size_valid),
> - .tlv_type = 0x1f,
> + .tlv_type = 0x20,
> .offset = offsetof(struct ipa_init_modem_driver_req,
> hw_stats_quota_size_valid),
> },
> {
> - .data_type = QMI_SIGNED_4_BYTE_ENUM,
> + .data_type = QMI_UNSIGNED_4_BYTE,
> .elem_len = 1,
> .elem_size =
> sizeof_field(struct ipa_init_modem_driver_req,
> hw_stats_quota_size),
> - .tlv_type = 0x1f,
> + .tlv_type = 0x20,
> .offset = offsetof(struct ipa_init_modem_driver_req,
> hw_stats_quota_size),
> },
> + {
> + .data_type = QMI_OPT_FLAG,
> + .elem_len = 1,
> + .elem_size =
> + sizeof_field(struct ipa_init_modem_driver_req,
> + hw_stats_drop_base_addr_valid),
> + .tlv_type = 0x21,
> + .offset = offsetof(struct ipa_init_modem_driver_req,
> + hw_stats_drop_base_addr_valid),
> + },
> + {
> + .data_type = QMI_UNSIGNED_4_BYTE,
> + .elem_len = 1,
> + .elem_size =
> + sizeof_field(struct ipa_init_modem_driver_req,
> + hw_stats_drop_base_addr),
> + .tlv_type = 0x21,
> + .offset = offsetof(struct ipa_init_modem_driver_req,
> + hw_stats_drop_base_addr),
> + },
> {
> .data_type = QMI_OPT_FLAG,
> .elem_len = 1,
> .elem_size =
> sizeof_field(struct ipa_init_modem_driver_req,
> hw_stats_drop_size_valid),
> - .tlv_type = 0x1f,
> + .tlv_type = 0x22,
> .offset = offsetof(struct ipa_init_modem_driver_req,
> hw_stats_drop_size_valid),
> },
> {
> - .data_type = QMI_SIGNED_4_BYTE_ENUM,
> + .data_type = QMI_UNSIGNED_4_BYTE,
> .elem_len = 1,
> .elem_size =
> sizeof_field(struct ipa_init_modem_driver_req,
> hw_stats_drop_size),
> - .tlv_type = 0x1f,
> + .tlv_type = 0x22,
> .offset = offsetof(struct ipa_init_modem_driver_req,
> hw_stats_drop_size),
> },
> --
> 2.27.0
>
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