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bonding: do not ignore multicast in mode 4

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The bonding PMD in mode 4 puts all enslaved interfaces into promiscuous
mode in order to receive LACPDUs and must filter unwanted packets
after the traffic has been "collected".  Allow broadcast and multicast
through so that ARP and IPv6 neighbor discovery continue to work.

Fixes: 46fb436836 ("bond: add mode 4")

Signed-off-by: Eric Kinzie <ekinzie@brocade.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Declan Doherty <declan.doherty@intel.com>
This commit is contained in:
Eric Kinzie 2016-03-01 09:32:00 -08:00 committed by Thomas Monjalon
parent 786c990a11
commit 6698820b5f
2 changed files with 6 additions and 2 deletions
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7
app/test/test_link_bonding_mode4.c
View File

@ -747,8 +747,11 @@ test_mode4_rx(void)
rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
ether_addr_copy(&bonded_mac, &dst_mac);
/* Assert that dst address is not bonding address */
dst_mac.addr_bytes[0]++;
/* Assert that dst address is not bonding address. Do not set the
* least significant bit of the zero byte as this would create a
* multicast address.
*/
dst_mac.addr_bytes[0] += 2;
/* First try with promiscuous mode enabled.
* Add 2 packets to each slave. First with bonding MAC address, second with

1
drivers/net/bonding/rte_eth_bond_pmd.c
View File

@ -171,6 +171,7 @@ bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
* mode and packet address does not match. */
if (unlikely(hdr->ether_type == ether_type_slow_be ||
!collecting || (!promisc &&
!is_multicast_ether_addr(&hdr->d_addr) &&
!is_same_ether_addr(&bond_mac, &hdr->d_addr)))) {
if (hdr->ether_type == ether_type_slow_be) {