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correct some limits on interrupt proccessing so that

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fast forwarding back out the same mxge interface works nicely.
This commit is contained in:
Andrew Gallatin 2007-06-14 19:35:03 +00:00
parent b4be6ef22f
commit f616ebc73f
1 changed files with 2 additions and 7 deletions
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9
sys/dev/mxge/if_mxge.c
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@ -2276,7 +2276,7 @@ mxge_clean_rx_done(mxge_softc_t *sc)
rx_done->idx = rx_done->cnt & rx_done->mask;
/* limit potential for livelock */
if (__predict_false(++limit > 2 * rx_done->mask))
if (__predict_false(++limit > rx_done->mask / 2))
break;
}
while(!SLIST_EMPTY(&sc->lro_active)) {
@ -2294,9 +2294,8 @@ mxge_tx_done(mxge_softc_t *sc, uint32_t mcp_idx)
mxge_tx_buf_t *tx;
struct mbuf *m;
bus_dmamap_t map;
int idx, limit;
int idx;
limit = 0;
tx = &sc->tx;
ifp = sc->ifp;
while (tx->pkt_done != mcp_idx) {
@ -2316,10 +2315,6 @@ mxge_tx_done(mxge_softc_t *sc, uint32_t mcp_idx)
tx->info[idx].flag = 0;
tx->pkt_done++;
}
/* limit potential for livelock by only handling
2 full tx rings per call */
if (__predict_false(++limit > 2 * tx->mask))
break;
}
/* If we have space, clear IFF_OACTIVE to tell the stack that