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| author | jmallett <jmallett@FreeBSD.org> | 2011-01-20 23:51:03 +0000 |
|---|---|---|
| committer | jmallett <jmallett@FreeBSD.org> | 2011-01-20 23:51:03 +0000 |
| commit | 3d09e0bd61776263b8524a64b23b1b03b17e2204 (patch) | |
| tree | 79389cb950848708a14ee4a78edf686bccdc66a0 /sys/mips | |
| parent | 555a5f3ada55e312b76e85ae0f2c30083708945f (diff) | |
| download | FreeBSD-src-3d09e0bd61776263b8524a64b23b1b03b17e2204.zip FreeBSD-src-3d09e0bd61776263b8524a64b23b1b03b17e2204.tar.gz | |
If there is no WQE available for a packet that needs segmentation, drop it
and return.
Diffstat (limited to 'sys/mips')
| -rw-r--r-- | sys/mips/cavium/octe/ethernet-tx.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/mips/cavium/octe/ethernet-tx.c b/sys/mips/cavium/octe/ethernet-tx.c index 1e21273..23e3aba 100644 --- a/sys/mips/cavium/octe/ethernet-tx.c +++ b/sys/mips/cavium/octe/ethernet-tx.c @@ -142,9 +142,14 @@ int cvm_oct_xmit(struct mbuf *m, struct ifnet *ifp) * in memory we borrow from the WQE pool. */ work = cvmx_fpa_alloc(CVMX_FPA_WQE_POOL); - gp = (uint64_t *)work; + if (work == NULL) { + m_freem(m); + ifp->if_oerrors++; + return 1; + } segs = 0; + gp = (uint64_t *)work; for (n = m; n != NULL; n = n->m_next) { if (segs == CVMX_FPA_WQE_POOL_SIZE / sizeof (uint64_t)) panic("%s: too many segments in packet; call m_collapse().", __func__); |
