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leon, greth: 10/100 MAC enable TX BD interrupt

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Missed to enable interrupt per TX descriptor. Could lead to TX buffer
starvation.

Does not affect the GBit code.
This commit is contained in:
Daniel Hellstrom
2018-02-13 07:47:14 +01:00
parent a87964d04f
commit 2fbe2ef3ea
1 changed files with 5 additions and 5 deletions
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10
bsps/sparc/shared/net/greth.c
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@@ -868,23 +868,23 @@ sendpacket (struct ifnet *ifp, struct mbuf *m)
if ((m = m->m_next) == NULL) if ((m = m->m_next) == NULL)
break; break;
} }
m_freem (n); m_freem (n);
/* don't send long packets */ /* don't send long packets */
if (len <= GRETH_MAXBUF_LEN) { if (len <= GRETH_MAXBUF_LEN) {
if (dp->tx_ptr < dp->txbufs-1) { if (dp->tx_ptr < dp->txbufs-1) {
dp->txdesc[dp->tx_ptr].ctrl = GRETH_TXD_ENABLE | len; dp->txdesc[dp->tx_ptr].ctrl = GRETH_TXD_IRQ |
GRETH_TXD_ENABLE | len;
} else { } else {
dp->txdesc[dp->tx_ptr].ctrl = dp->txdesc[dp->tx_ptr].ctrl = GRETH_TXD_IRQ |
GRETH_TXD_WRAP | GRETH_TXD_ENABLE | len; GRETH_TXD_WRAP | GRETH_TXD_ENABLE | len;
} }
dp->tx_ptr = (dp->tx_ptr + 1) % dp->txbufs; dp->tx_ptr = (dp->tx_ptr + 1) % dp->txbufs;
SPIN_LOCK_IRQ(&dp->devlock, flags); SPIN_LOCK_IRQ(&dp->devlock, flags);
dp->regs->ctrl = dp->regs->ctrl | GRETH_CTRL_TXEN; dp->regs->ctrl = dp->regs->ctrl | GRETH_CTRL_TXEN;
SPIN_UNLOCK_IRQ(&dp->devlock, flags); SPIN_UNLOCK_IRQ(&dp->devlock, flags);
} }
return 0; return 0;