i40e: add pre-xdp page_count in rx_buffer

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Page count of rx_buffer needs to be stored prior to XDP call to prevent
page recycling in case that buffer would be freed within xdp redirect
path. Instead of storing it on the stack, now it is stored in the
rx_buffer struct. This will help in processing multi-buffers as the page
counts of all rx_buffers (of the same packet) don't need to be stored on
stack.

Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@intel.com>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

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Tirthendu Sarkar 2023-03-10 00:26:10 +05:30 • committed by Tony Nguyen

parent f7f732a719

commit e2843f0371

2 changed files with 9 additions and 15 deletions

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23

drivers/net/ethernet/intel/i40e/i40e_txrx.c

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1

drivers/net/ethernet/intel/i40e/i40e_txrx.h

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