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[LTS 9.2] igb: set max size RX buffer when store bad packet is enabled #297

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Merged
merged 1 commit into from
May 30, 2025
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[LTS 9.2] igb: set max size RX buffer when store bad packet is enabled #297

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11 changes: 7 additions & 4 deletions drivers/net/ethernet/intel/igb/igb_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4731,6 +4731,10 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
static void igb_set_rx_buffer_len(struct igb_adapter *adapter,
struct igb_ring *rx_ring)
{
#if (PAGE_SIZE < 8192)
struct e1000_hw *hw = &adapter->hw;
#endif

/* set build_skb and buffer size flags */
clear_ring_build_skb_enabled(rx_ring);
clear_ring_uses_large_buffer(rx_ring);
Expand All @@ -4741,10 +4745,9 @@ static void igb_set_rx_buffer_len(struct igb_adapter *adapter,
set_ring_build_skb_enabled(rx_ring);

#if (PAGE_SIZE < 8192)
if (adapter->max_frame_size <= IGB_MAX_FRAME_BUILD_SKB)
return;

set_ring_uses_large_buffer(rx_ring);
if (adapter->max_frame_size > IGB_MAX_FRAME_BUILD_SKB ||
rd32(E1000_RCTL) & E1000_RCTL_SBP)
set_ring_uses_large_buffer(rx_ring);
#endif
}

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