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cxgbe(4): display an error message when netmap cannot be enabled because

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the interface is down.

MFC after:	1 week
This commit is contained in:
Navdeep Parhar 2020-09-29 07:36:21 +00:00
parent 314c5b3583
commit f7b8615af5
1 changed files with 4 additions and 1 deletions
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5
sys/dev/cxgbe/t4_netmap.c
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@ -536,8 +536,11 @@ cxgbe_netmap_on(struct adapter *sc, struct vi_info *vi, struct ifnet *ifp,
MPASS(vi->nnmtxq > 0); MPASS(vi->nnmtxq > 0);
if ((vi->flags & VI_INIT_DONE) == 0 || if ((vi->flags & VI_INIT_DONE) == 0 ||
(ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) (ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
if_printf(ifp, "cannot enable netmap operation because "
"interface is not UP.\n");
return (EAGAIN); return (EAGAIN);
}
rxb = &sc->sge.rx_buf_info[0]; rxb = &sc->sge.rx_buf_info[0];
for (i = 0; i < SW_ZONE_SIZES; i++, rxb++) { for (i = 0; i < SW_ZONE_SIZES; i++, rxb++) {