From 14f3f532a10091092cc0e4e189b27b9e38adb147 Mon Sep 17 00:00:00 2001 From: Michal Krawczyk Date: Wed, 8 Apr 2020 10:29:03 +0200 Subject: [PATCH] net/ena/base: add error logs when preparing Tx To make the debugging easier, the error logs were added in the Tx path. Signed-off-by: Michal Krawczyk Reviewed-by: Igor Chauskin Reviewed-by: Guy Tzalik --- drivers/net/ena/base/ena_eth_com.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/drivers/net/ena/base/ena_eth_com.c b/drivers/net/ena/base/ena_eth_com.c index 8f9528bdff..80d35556cb 100644 --- a/drivers/net/ena/base/ena_eth_com.c +++ b/drivers/net/ena/base/ena_eth_com.c @@ -148,8 +148,10 @@ static int ena_com_close_bounce_buffer(struct ena_com_io_sq *io_sq) if (pkt_ctrl->idx) { rc = ena_com_write_bounce_buffer_to_dev(io_sq, pkt_ctrl->curr_bounce_buf); - if (unlikely(rc)) + if (unlikely(rc)) { + ena_trc_err("failed to write bounce buffer to device\n"); return rc; + } pkt_ctrl->curr_bounce_buf = ena_com_get_next_bounce_buffer(&io_sq->bounce_buf_ctrl); @@ -179,8 +181,10 @@ static int ena_com_sq_update_llq_tail(struct ena_com_io_sq *io_sq) if (!pkt_ctrl->descs_left_in_line) { rc = ena_com_write_bounce_buffer_to_dev(io_sq, pkt_ctrl->curr_bounce_buf); - if (unlikely(rc)) + if (unlikely(rc)) { + ena_trc_err("failed to write bounce buffer to device\n"); return rc; + } pkt_ctrl->curr_bounce_buf = ena_com_get_next_bounce_buffer(&io_sq->bounce_buf_ctrl); @@ -394,8 +398,10 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, } if (unlikely(io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV - && !buffer_to_push)) + && !buffer_to_push)) { + ena_trc_err("push header wasn't provided on LLQ mode\n"); return ENA_COM_INVAL; + } rc = ena_com_write_header_to_bounce(io_sq, buffer_to_push, header_len); if (unlikely(rc)) @@ -410,6 +416,8 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, /* If the caller doesn't want to send packets */ if (unlikely(!num_bufs && !header_len)) { rc = ena_com_close_bounce_buffer(io_sq); + if (rc) + ena_trc_err("failed to write buffers to LLQ\n"); *nb_hw_desc = io_sq->tail - start_tail; return rc; } @@ -469,8 +477,10 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, /* The first desc share the same desc as the header */ if (likely(i != 0)) { rc = ena_com_sq_update_tail(io_sq); - if (unlikely(rc)) + if (unlikely(rc)) { + ena_trc_err("failed to update sq tail\n"); return rc; + } desc = get_sq_desc(io_sq); if (unlikely(!desc)) @@ -499,10 +509,14 @@ int ena_com_prepare_tx(struct ena_com_io_sq *io_sq, desc->len_ctrl |= ENA_ETH_IO_TX_DESC_LAST_MASK; rc = ena_com_sq_update_tail(io_sq); - if (unlikely(rc)) + if (unlikely(rc)) { + ena_trc_err("failed to update sq tail of the last descriptor\n"); return rc; + } rc = ena_com_close_bounce_buffer(io_sq); + if (rc) + ena_trc_err("failed when closing bounce buffer\n"); *nb_hw_desc = io_sq->tail - start_tail; return rc; -- 2.20.1