github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-27 00:22:00 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ice: Inline eop check

Browse Source 
This might be in future used by ZC driver and might potentially yield a
minor performance boost. While at it, constify arguments that
ice_is_non_eop() takes, since they are pointers and this will help compiler
while generating asm.

Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Link: https://lore.kernel.org/bpf/20230131204506.219292-6-maciej.fijalkowski@intel.com
This commit is contained in:
Maciej Fijalkowski 2023-01-31 21:44:58 +01:00 committed by Daniel Borkmann
parent d7956d81f1
commit e44f4790a2
2 changed files with 22 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/net/ethernet/intel/ice/ice_txrx.c
View File

@ -1065,27 +1065,6 @@ ice_put_rx_buf(struct ice_rx_ring *rx_ring, struct ice_rx_buf *rx_buf)
rx_buf->page = NULL;
}
/**
* ice_is_non_eop - process handling of non-EOP buffers
* @rx_ring: Rx ring being processed
* @rx_desc: Rx descriptor for current buffer
*
* If the buffer is an EOP buffer, this function exits returning false,
* otherwise return true indicating that this is in fact a non-EOP buffer.
*/
static bool
ice_is_non_eop(struct ice_rx_ring *rx_ring, union ice_32b_rx_flex_desc *rx_desc)
{
/* if we are the last buffer then there is nothing else to do */
#define ICE_RXD_EOF BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)
if (likely(ice_test_staterr(rx_desc->wb.status_error0, ICE_RXD_EOF)))
return false;
rx_ring->ring_stats->rx_stats.non_eop_descs++;
return true;
}
/**
* ice_clean_rx_irq - Clean completed descriptors from Rx ring - bounce buf
* @rx_ring: Rx descriptor ring to transact packets on

22
drivers/net/ethernet/intel/ice/ice_txrx_lib.h
View File

@ -21,6 +21,28 @@ ice_test_staterr(__le16 status_err_n, const u16 stat_err_bits)
return !!(status_err_n & cpu_to_le16(stat_err_bits));
}
/**
* ice_is_non_eop - process handling of non-EOP buffers
* @rx_ring: Rx ring being processed
* @rx_desc: Rx descriptor for current buffer
*
* If the buffer is an EOP buffer, this function exits returning false,
* otherwise return true indicating that this is in fact a non-EOP buffer.
*/
static inline bool
ice_is_non_eop(const struct ice_rx_ring *rx_ring,
const union ice_32b_rx_flex_desc *rx_desc)
{
/* if we are the last buffer then there is nothing else to do */
#define ICE_RXD_EOF BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)
if (likely(ice_test_staterr(rx_desc->wb.status_error0, ICE_RXD_EOF)))
return false;
rx_ring->ring_stats->rx_stats.non_eop_descs++;
return true;
}
static inline __le64
ice_build_ctob(u64 td_cmd, u64 td_offset, unsigned int size, u64 td_tag)
{