d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Improve memory allocation errors handling on receive.

Browse Source
This commit is contained in:
Alexander Motin 2016-07-09 12:00:04 +00:00
parent a7e0f01a3d
commit b42e3ec60b
2 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/dev/ntb/if_ntb/if_ntb.c
View File

@ -241,7 +241,12 @@ ntb_net_rx_handler(struct ntb_transport_qp *qp, void *qp_data, void *data,
struct mbuf *m = data;
struct ifnet *ifp = qp_data;
CTR0(KTR_NTB, "RX: rx handler");
CTR1(KTR_NTB, "RX: rx handler (%d)", len);
if (len < 0) {
if_inc_counter(ifp, IFCOUNTER_IERRORS, 1);
return;
}
m->m_pkthdr.csum_flags = CSUM_IP_CHECKED | CSUM_IP_VALID;
(*ifp->if_input)(ifp, m);
}

2
sys/dev/ntb/ntb_transport.c
View File

@ -877,6 +877,8 @@ ntb_memcpy_rx(struct ntb_transport_qp *qp, struct ntb_queue_entry *entry,
CTR2(KTR_NTB, "RX: copying %d bytes from offset %p", len, offset);
entry->buf = (void *)m_devget(offset, len, 0, ifp, NULL);
if (entry->buf == NULL)
entry->len = -ENOMEM;
/* Ensure that the data is globally visible before clearing the flag */
wmb();