diff options
Diffstat (limited to 'freebsd/sys/dev/e1000/igb_txrx.c')
| -rw-r--r-- | freebsd/sys/dev/e1000/igb_txrx.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/freebsd/sys/dev/e1000/igb_txrx.c b/freebsd/sys/dev/e1000/igb_txrx.c index c54315f0..6da52b7e 100644 --- a/freebsd/sys/dev/e1000/igb_txrx.c +++ b/freebsd/sys/dev/e1000/igb_txrx.c @@ -334,16 +334,11 @@ igb_isc_txd_credits_update(void *arg, uint16_t txqid, bool clear) prev = txr->tx_cidx_processed; ntxd = scctx->isc_ntxd[0]; do { + MPASS(prev != cur); delta = (int32_t)cur - (int32_t)prev; - /* - * XXX This appears to be a hack for first-packet. - * A correct fix would prevent prev == cur in the first place. - */ - MPASS(prev == 0 || delta != 0); - if (prev == 0 && cur == 0) - delta += 1; if (delta < 0) delta += ntxd; + MPASS(delta > 0); processed += delta; prev = cur; |