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| author | Zbigniew Bodek <zbb@FreeBSD.org> | 2016-02-25 14:23:02 +0000 |
|---|---|---|
| committer | Zbigniew Bodek <zbb@FreeBSD.org> | 2016-02-25 14:23:02 +0000 |
| commit | 332c869727e0c7132da51adf8be70c19b156a41e (patch) | |
| tree | cf628d208590ac11478febe7b504d42cb67b0465 /sys/dev/vnic/nicvf_queues.h | |
| parent | 6dc234599fe8d1602ad92b38910453547ae8aee7 (diff) | |
| download | src-332c869727e0c7132da51adf8be70c19b156a41e.tar.gz src-332c869727e0c7132da51adf8be70c19b156a41e.zip | |
Improve VNIC performance on Tx path by immediate packet transmission
Don't postpone Tx if the Tx lock can be acquired now.
This gives 3x better performance on egress.
Reviewed by: wma
Obtained from: Semihalf
Sponsored by: Cavium
Differential Revision: https://reviews.freebsd.org/D5325
Notes
Notes:
svn path=/head/; revision=296035
Diffstat (limited to 'sys/dev/vnic/nicvf_queues.h')
| -rw-r--r-- | sys/dev/vnic/nicvf_queues.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/vnic/nicvf_queues.h b/sys/dev/vnic/nicvf_queues.h index 436bb71d3cb9..010dc2ef2470 100644 --- a/sys/dev/vnic/nicvf_queues.h +++ b/sys/dev/vnic/nicvf_queues.h @@ -385,6 +385,8 @@ void nicvf_disable_intr(struct nicvf *, int, int); void nicvf_clear_intr(struct nicvf *, int, int); int nicvf_is_intr_enabled(struct nicvf *, int, int); +int nicvf_tx_mbuf_locked(struct snd_queue *, struct mbuf *); + /* Register access APIs */ void nicvf_reg_write(struct nicvf *, uint64_t, uint64_t); uint64_t nicvf_reg_read(struct nicvf *, uint64_t); |