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Date: Thu, 26 Oct 2023 12:14:29 +0200
From: Wojciech Drewek <wojciech.drewek@...el.com>
To: Ratheesh Kannoth <rkannoth@...vell.com>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <sgoutham@...vell.com>, <gakula@...vell.com>,
<sbhatta@...vell.com>, <hkelam@...vell.com>, <davem@...emloft.net>,
<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>
Subject: Re: [PATCH net] octeontx2-pf: Fix holes in error code
On 26.10.2023 05:01, Ratheesh Kannoth wrote:
> Error code strings are not getting printed properly
> due to holes. Print error code as well.
>
> Fixes: 51afe9026d0c ("octeontx2-pf: NIX TX overwrites SQ_CTX_HW_S[SQ_INT]")
> Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com>
> ---
> .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 65 ++++++++++---------
> .../marvell/octeontx2/nic/otx2_struct.h | 34 +++++-----
> 2 files changed, 51 insertions(+), 48 deletions(-)
>
> diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
> index 6daf4d58c25d..e82724f69406 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
> +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
> @@ -1193,31 +1193,32 @@ static char *nix_mnqerr_e_str[NIX_MNQERR_MAX] = {
> };
>
> static char *nix_snd_status_e_str[NIX_SND_STATUS_MAX] = {
> - "NIX_SND_STATUS_GOOD",
> - "NIX_SND_STATUS_SQ_CTX_FAULT",
> - "NIX_SND_STATUS_SQ_CTX_POISON",
> - "NIX_SND_STATUS_SQB_FAULT",
> - "NIX_SND_STATUS_SQB_POISON",
> - "NIX_SND_STATUS_HDR_ERR",
> - "NIX_SND_STATUS_EXT_ERR",
> - "NIX_SND_STATUS_JUMP_FAULT",
> - "NIX_SND_STATUS_JUMP_POISON",
> - "NIX_SND_STATUS_CRC_ERR",
> - "NIX_SND_STATUS_IMM_ERR",
> - "NIX_SND_STATUS_SG_ERR",
> - "NIX_SND_STATUS_MEM_ERR",
> - "NIX_SND_STATUS_INVALID_SUBDC",
> - "NIX_SND_STATUS_SUBDC_ORDER_ERR",
> - "NIX_SND_STATUS_DATA_FAULT",
> - "NIX_SND_STATUS_DATA_POISON",
> - "NIX_SND_STATUS_NPC_DROP_ACTION",
> - "NIX_SND_STATUS_LOCK_VIOL",
> - "NIX_SND_STATUS_NPC_UCAST_CHAN_ERR",
> - "NIX_SND_STATUS_NPC_MCAST_CHAN_ERR",
> - "NIX_SND_STATUS_NPC_MCAST_ABORT",
> - "NIX_SND_STATUS_NPC_VTAG_PTR_ERR",
> - "NIX_SND_STATUS_NPC_VTAG_SIZE_ERR",
> - "NIX_SND_STATUS_SEND_STATS_ERR",
> + [NIX_SND_STATUS_GOOD] = "NIX_SND_STATUS_GOOD",
> + [NIX_SND_STATUS_SQ_CTX_FAULT] = "NIX_SND_STATUS_SQ_CTX_FAULT",
> + [NIX_SND_STATUS_SQ_CTX_POISON] = "NIX_SND_STATUS_SQ_CTX_POISON",
> + [NIX_SND_STATUS_SQB_FAULT] = "NIX_SND_STATUS_SQB_FAULT",
> + [NIX_SND_STATUS_SQB_POISON] = "NIX_SND_STATUS_SQB_POISON",
> + [NIX_SND_STATUS_HDR_ERR] = "NIX_SND_STATUS_HDR_ERR",
> + [NIX_SND_STATUS_EXT_ERR] = "NIX_SND_STATUS_EXT_ERR",
> + [NIX_SND_STATUS_JUMP_FAULT] = "NIX_SND_STATUS_JUMP_FAULT",
> + [NIX_SND_STATUS_JUMP_POISON] = "NIX_SND_STATUS_JUMP_POISON",
> + [NIX_SND_STATUS_CRC_ERR] = "NIX_SND_STATUS_CRC_ERR",
> + [NIX_SND_STATUS_IMM_ERR] = "NIX_SND_STATUS_IMM_ERR",
> + [NIX_SND_STATUS_SG_ERR] = "NIX_SND_STATUS_SG_ERR",
> + [NIX_SND_STATUS_MEM_ERR] = "NIX_SND_STATUS_MEM_ERR",
> + [NIX_SND_STATUS_INVALID_SUBDC] = "NIX_SND_STATUS_INVALID_SUBDC",
> + [NIX_SND_STATUS_SUBDC_ORDER_ERR] = "NIX_SND_STATUS_SUBDC_ORDER_ERR",
> + [NIX_SND_STATUS_DATA_FAULT] = "NIX_SND_STATUS_DATA_FAULT",
> + [NIX_SND_STATUS_DATA_POISON] = "NIX_SND_STATUS_DATA_POISON",
> + [NIX_SND_STATUS_NPC_DROP_ACTION] = "NIX_SND_STATUS_NPC_DROP_ACTION",
> + [NIX_SND_STATUS_LOCK_VIOL] = "NIX_SND_STATUS_LOCK_VIOL",
> + [NIX_SND_STATUS_NPC_UCAST_CHAN_ERR] = "NIX_SND_STATUS_NPC_UCAST_CHAN_ERR",
> + [NIX_SND_STATUS_NPC_MCAST_CHAN_ERR] = "NIX_SND_STATUS_NPC_MCAST_CHAN_ERR",
> + [NIX_SND_STATUS_NPC_MCAST_ABORT] = "NIX_SND_STATUS_NPC_MCAST_ABORT",
> + [NIX_SND_STATUS_NPC_VTAG_PTR_ERR] = "NIX_SND_STATUS_NPC_VTAG_PTR_ERR",
> + [NIX_SND_STATUS_NPC_VTAG_SIZE_ERR] = "NIX_SND_STATUS_NPC_VTAG_SIZE_ERR",
> + [NIX_SND_STATUS_SEND_MEM_FAULT] = "NIX_SND_STATUS_SEND_MEM_FAULT",
> + [NIX_SND_STATUS_SEND_STATS_ERR] = "NIX_SND_STATUS_SEND_STATS_ERR",
> };
>
> static irqreturn_t otx2_q_intr_handler(int irq, void *data)
> @@ -1282,8 +1283,8 @@ static irqreturn_t otx2_q_intr_handler(int irq, void *data)
> goto chk_mnq_err_dbg;
>
> sq_op_err_code = FIELD_GET(GENMASK(7, 0), sq_op_err_dbg);
> - netdev_err(pf->netdev, "SQ%lld: NIX_LF_SQ_OP_ERR_DBG(%llx) err=%s\n",
> - qidx, sq_op_err_dbg, nix_sqoperr_e_str[sq_op_err_code]);
> + netdev_err(pf->netdev, "SQ%lld: NIX_LF_SQ_OP_ERR_DBG(0x%llx) err=%s(%#x)\n",
> + qidx, sq_op_err_dbg, nix_sqoperr_e_str[sq_op_err_code], sq_op_err_code);
>
> otx2_write64(pf, NIX_LF_SQ_OP_ERR_DBG, BIT_ULL(44));
>
> @@ -1300,16 +1301,18 @@ static irqreturn_t otx2_q_intr_handler(int irq, void *data)
> goto chk_snd_err_dbg;
>
> mnq_err_code = FIELD_GET(GENMASK(7, 0), mnq_err_dbg);
> - netdev_err(pf->netdev, "SQ%lld: NIX_LF_MNQ_ERR_DBG(%llx) err=%s\n",
> - qidx, mnq_err_dbg, nix_mnqerr_e_str[mnq_err_code]);
> + netdev_err(pf->netdev, "SQ%lld: NIX_LF_MNQ_ERR_DBG(0x%llx) err=%s(%#x)\n",
> + qidx, mnq_err_dbg, nix_mnqerr_e_str[mnq_err_code], mnq_err_code);
> otx2_write64(pf, NIX_LF_MNQ_ERR_DBG, BIT_ULL(44));
>
> chk_snd_err_dbg:
> snd_err_dbg = otx2_read64(pf, NIX_LF_SEND_ERR_DBG);
> if (snd_err_dbg & BIT(44)) {
> snd_err_code = FIELD_GET(GENMASK(7, 0), snd_err_dbg);
> - netdev_err(pf->netdev, "SQ%lld: NIX_LF_SND_ERR_DBG:0x%llx err=%s\n",
> - qidx, snd_err_dbg, nix_snd_status_e_str[snd_err_code]);
> + netdev_err(pf->netdev,
> + "SQ%lld: NIX_LF_SND_ERR_DBG:0x%llx err=%s(%#x)\n",
> + qidx, snd_err_dbg, nix_snd_status_e_str[snd_err_code],
> + snd_err_code);
> otx2_write64(pf, NIX_LF_SEND_ERR_DBG, BIT_ULL(44));
> }
>
> diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_struct.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_struct.h
> index fa37b9f312ca..4e5899d8fa2e 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_struct.h
> +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_struct.h
> @@ -318,23 +318,23 @@ enum nix_snd_status_e {
> NIX_SND_STATUS_EXT_ERR = 0x6,
> NIX_SND_STATUS_JUMP_FAULT = 0x7,
> NIX_SND_STATUS_JUMP_POISON = 0x8,
> - NIX_SND_STATUS_CRC_ERR = 0x9,
> - NIX_SND_STATUS_IMM_ERR = 0x10,
> - NIX_SND_STATUS_SG_ERR = 0x11,
> - NIX_SND_STATUS_MEM_ERR = 0x12,
> - NIX_SND_STATUS_INVALID_SUBDC = 0x13,
> - NIX_SND_STATUS_SUBDC_ORDER_ERR = 0x14,
> - NIX_SND_STATUS_DATA_FAULT = 0x15,
> - NIX_SND_STATUS_DATA_POISON = 0x16,
> - NIX_SND_STATUS_NPC_DROP_ACTION = 0x17,
> - NIX_SND_STATUS_LOCK_VIOL = 0x18,
> - NIX_SND_STATUS_NPC_UCAST_CHAN_ERR = 0x19,
> - NIX_SND_STATUS_NPC_MCAST_CHAN_ERR = 0x20,
> - NIX_SND_STATUS_NPC_MCAST_ABORT = 0x21,
> - NIX_SND_STATUS_NPC_VTAG_PTR_ERR = 0x22,
> - NIX_SND_STATUS_NPC_VTAG_SIZE_ERR = 0x23,
> - NIX_SND_STATUS_SEND_MEM_FAULT = 0x24,
> - NIX_SND_STATUS_SEND_STATS_ERR = 0x25,
> + NIX_SND_STATUS_CRC_ERR = 0x10,> + NIX_SND_STATUS_IMM_ERR = 0x11,
> + NIX_SND_STATUS_SG_ERR = 0x12,
> + NIX_SND_STATUS_MEM_ERR = 0x13,
> + NIX_SND_STATUS_INVALID_SUBDC = 0x14,
> + NIX_SND_STATUS_SUBDC_ORDER_ERR = 0x15,
> + NIX_SND_STATUS_DATA_FAULT = 0x16,
> + NIX_SND_STATUS_DATA_POISON = 0x17,
There is a gap here, is it intended?
And in general, why error codes were changed?
Starting from NIX_SND_STATUS_CRC_ERR which was 0x09 and now it's 0x10.
> + NIX_SND_STATUS_NPC_DROP_ACTION = 0x20,
> + NIX_SND_STATUS_LOCK_VIOL = 0x21,
> + NIX_SND_STATUS_NPC_UCAST_CHAN_ERR = 0x22,
> + NIX_SND_STATUS_NPC_MCAST_CHAN_ERR = 0x23,
> + NIX_SND_STATUS_NPC_MCAST_ABORT = 0x24,
> + NIX_SND_STATUS_NPC_VTAG_PTR_ERR = 0x25,
> + NIX_SND_STATUS_NPC_VTAG_SIZE_ERR = 0x26,
> + NIX_SND_STATUS_SEND_MEM_FAULT = 0x27,
> + NIX_SND_STATUS_SEND_STATS_ERR = 0x28,
> NIX_SND_STATUS_MAX,
> };
>
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