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| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-05-15 17:55:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-16 12:59:04 -0400 |
| commit | 730b3ab54af4f816cdf541a23c879c9379a480db (patch) | |
| tree | d82997a70b766e41ee5a61be0eda23d1d0a905db /net/ipv4/tcp_output.c | |
| parent | 4aa3b7660aa79bb030aaa887dc16a60e02fa4348 (diff) | |
| download | linux-730b3ab54af4f816cdf541a23c879c9379a480db.tar.gz linux-730b3ab54af4f816cdf541a23c879c9379a480db.tar.bz2 linux-730b3ab54af4f816cdf541a23c879c9379a480db.zip | |
nfp: eliminate an if statement in calculation of completed frames
Given that our rings are always a power of 2, we can simplify the
calculation of number of completed TX descriptors by using masking
instead of if statement based on whether the index have wrapped
or not.
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 'net/ipv4/tcp_output.c')
0 files changed, 0 insertions, 0 deletions