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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-05-15 17:55:22 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-16 12:59:04 -0400 |
| commit | 4aa3b7660aa79bb030aaa887dc16a60e02fa4348 (patch) | |
| tree | 1a96f186c151530f5c6b24bdb071934b34566418 /drivers/net/ethernet/pasemi/pasemi_mac.c | |
| parent | abeeec4adf6a6fe71a6a4d8199ff0a533d73a57f (diff) | |
nfp: add a helper for wrapping descriptor index
We have a number of places where we calculate the descriptor
index based on a value which may have overflown. Create a
macro for masking with the ring size.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pasemi/pasemi_mac.c')
0 files changed, 0 insertions, 0 deletions