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Diffstat (limited to 'host/lib/transport/uhd-dpdk/uhd_dpdk_driver.c')
-rw-r--r--host/lib/transport/uhd-dpdk/uhd_dpdk_driver.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/host/lib/transport/uhd-dpdk/uhd_dpdk_driver.c b/host/lib/transport/uhd-dpdk/uhd_dpdk_driver.c
index f603f1f8f..61ed836df 100644
--- a/host/lib/transport/uhd-dpdk/uhd_dpdk_driver.c
+++ b/host/lib/transport/uhd-dpdk/uhd_dpdk_driver.c
@@ -43,7 +43,6 @@ int _uhd_dpdk_arp_reply(struct uhd_dpdk_port *port, struct arp_hdr *arp_req)
mbuf->pkt_len = 42;
mbuf->data_len = 42;
- mbuf->ol_flags = PKT_TX_IP_CKSUM;
if (rte_eth_tx_burst(port->id, 0, &mbuf, 1) != 1) {
RTE_LOG(WARNING, RING, "%s: TX descriptor ring is full\n", __func__);
@@ -125,7 +124,6 @@ int _uhd_dpdk_arp_request(struct uhd_dpdk_port *port, uint32_t ip)
mbuf->pkt_len = 42;
mbuf->data_len = 42;
- mbuf->ol_flags = PKT_TX_IP_CKSUM;
if (rte_eth_tx_burst(port->id, 0, &mbuf, 1) != 1) {
RTE_LOG(WARNING, RING, "%s: TX descriptor ring is full\n", __func__);
@@ -135,7 +133,8 @@ int _uhd_dpdk_arp_request(struct uhd_dpdk_port *port, uint32_t ip)
return 0;
}
-int _uhd_dpdk_process_udp(struct uhd_dpdk_port *port, struct rte_mbuf *mbuf, struct udp_hdr *pkt)
+int _uhd_dpdk_process_udp(struct uhd_dpdk_port *port, struct rte_mbuf *mbuf,
+ struct udp_hdr *pkt, bool bcast)
{
int status = 0;
struct uhd_dpdk_ipv4_5tuple ht_key = {
@@ -155,6 +154,10 @@ int _uhd_dpdk_process_udp(struct uhd_dpdk_port *port, struct rte_mbuf *mbuf, str
}
struct uhd_dpdk_udp_priv *pdata = (struct uhd_dpdk_udp_priv *) entry->sock->priv;
+ if (bcast && pdata->filter_bcast) {
+ // Filter broadcast packets if not listening
+ goto udp_rx_drop;
+ }
status = rte_ring_enqueue(entry->sock->rx_ring, mbuf);
if (entry->waiter) {
_uhd_dpdk_waiter_wake(entry->waiter, port->parent);
@@ -172,14 +175,16 @@ udp_rx_drop:
return status;
}
-int _uhd_dpdk_process_ipv4(struct uhd_dpdk_port *port, struct rte_mbuf *mbuf, struct ipv4_hdr *pkt)
+int _uhd_dpdk_process_ipv4(struct uhd_dpdk_port *port, struct rte_mbuf *mbuf,
+ struct ipv4_hdr *pkt)
{
- if (pkt->dst_addr != port->ipv4_addr) {
+ bool bcast = is_broadcast(port, pkt->dst_addr);
+ if (pkt->dst_addr != port->ipv4_addr && !bcast) {
rte_pktmbuf_free(mbuf);
return -ENODEV;
}
if (pkt->next_proto_id == 0x11) {
- return _uhd_dpdk_process_udp(port, mbuf, (struct udp_hdr *) &pkt[1]);
+ return _uhd_dpdk_process_udp(port, mbuf, (struct udp_hdr *) &pkt[1], bcast);
}
rte_pktmbuf_free(mbuf);
return -EINVAL;
@@ -417,7 +422,7 @@ static inline void _uhd_dpdk_rx_burst(struct uhd_dpdk_port *port)
rte_pktmbuf_free(bufs[buf]);
break;
case ETHER_TYPE_IPv4:
- if (ol_flags == PKT_RX_IP_CKSUM_BAD) { /* TODO: Track IP cksum errors? */
+ if (ol_flags & PKT_RX_IP_CKSUM_BAD) {
RTE_LOG(WARNING, RING, "Buf %d: Bad IP cksum\n", buf);
} else {
_uhd_dpdk_process_ipv4(port, bufs[buf], (struct ipv4_hdr *) l2_data);