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Clear IFF_DRV_OACTIVE if at least one TX xen/mbuf ring slot has been freed.

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This commit is contained in:
Adrian Chadd 2009-05-27 13:59:17 +00:00
parent efbad25934
commit d76e4550e9
1 changed files with 2 additions and 1 deletions
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3
sys/dev/xen/netfront/netfront.c
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@ -1099,6 +1099,8 @@ xn_txeof(struct netfront_info *np)
panic("netif_release_tx_bufs: tx_chain_cnt must be >= 0");
}
m_free(m);
/* Only mark the queue active if we've freed up at least one slot to try */
ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
}
np->tx.rsp_cons = prod;
@ -1115,7 +1117,6 @@ xn_txeof(struct netfront_info *np)
prod + ((np->tx.sring->req_prod - prod) >> 1) + 1;
mb();
} while (prod != np->tx.sring->rsp_prod);
out: