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octeon_ep_vf: introduce octep_vf_oq_next_idx() helper

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Introduce octep_vf_oq_next_idx() to consolidate the repeated
ring index advance and wraparound pattern in __octep_vf_oq_process_rx().

No functional change intended.

Signed-off-by: David Carlier <devnexen@gmail.com>
Link: https://patch.msgid.link/20260409184009.930359-2-devnexen@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Carlier 2026-04-09 19:40:08 +01:00 committed by Jakub Kicinski
parent 9ad24ba408
commit 4e5bc3ff06
1 changed files with 8 additions and 9 deletions
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17
drivers/net/ethernet/marvell/octeon_ep_vf/octep_vf_rx.c
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@ -352,6 +352,11 @@ static int octep_vf_oq_check_hw_for_pkts(struct octep_vf_device *oct,
return new_pkts;
}
static inline u32 octep_vf_oq_next_idx(struct octep_vf_oq *oq, u32 idx)
{
return (idx + 1 == oq->max_count) ? 0 : idx + 1;
}
/**
* __octep_vf_oq_process_rx() - Process hardware Rx queue and push to stack.
*
@ -415,10 +420,8 @@ static int __octep_vf_oq_process_rx(struct octep_vf_device *oct,
skb = napi_build_skb((void *)resp_hw, PAGE_SIZE);
skb_reserve(skb, data_offset);
skb_put(skb, buff_info->len);
read_idx++;
desc_used++;
if (read_idx == oq->max_count)
read_idx = 0;
read_idx = octep_vf_oq_next_idx(oq, read_idx);
} else {
struct skb_shared_info *shinfo;
u16 data_len;
@ -429,10 +432,8 @@ static int __octep_vf_oq_process_rx(struct octep_vf_device *oct,
* subsequent fragments contains only data.
*/
skb_put(skb, oq->max_single_buffer_size);
read_idx++;
desc_used++;
if (read_idx == oq->max_count)
read_idx = 0;
read_idx = octep_vf_oq_next_idx(oq, read_idx);
shinfo = skb_shinfo(skb);
data_len = buff_info->len - oq->max_single_buffer_size;
@ -454,10 +455,8 @@ static int __octep_vf_oq_process_rx(struct octep_vf_device *oct,
buff_info->len,
buff_info->len);
buff_info->page = NULL;
read_idx++;
desc_used++;
if (read_idx == oq->max_count)
read_idx = 0;
read_idx = octep_vf_oq_next_idx(oq, read_idx);
}
}