> -----Original Message----- > From: David Harton (dharton) [mailto:dhar...@cisco.com] > Sent: Wednesday, September 13, 2017 10:38 AM > To: Xing, Beilei <beilei.x...@intel.com>; David Harton <dharton@cpp-rtpbld- > 31.cpprtplab>; Wu, Jingjing <jingjing...@intel.com> > Cc: dev@dpdk.org > Subject: RE: [PATCH v2] i40e: fix i40evf_add_mac_addr to permit multicast > addresses > > Hi Beilei, > > > -----Original Message----- > > From: Xing, Beilei [mailto:beilei.x...@intel.com] > > > > Hi Harton, > > > > > -----Original Message----- > > > From: David Harton [mailto:dharton@cpp-rtpbld-31.cpprtplab] > > > > > > From: David Harton <dhar...@cisco.com> > > > > > > The i40e maintains a single MAC filter table for both unicast and > > > multicast addresses. The i40e_validate_mac_addr function was > > > preventing multicast addresses from being added to the table via > > > i40evf_add_mac_addr. Fixed the issue by adjusting the check in > > i40evf_add_mac_addr. > > > > > > Fixes: 4861cde46116 ("i40e: new poll mode driver") > > > Fixes: 97ac72aa71a9 ("i40e: support setting VF MAC address") > > > > > > Signed-off-by: David Harton <dhar...@cisco.com> > > > --- > > > > > > v2 > > > * Removed multicast check in i40evf_add_mac_addr. > > > > > > v1 > > > * Removed multicast check in i40e_validate_mac_addr. > > > > > > drivers/net/i40e/i40e_ethdev_vf.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/drivers/net/i40e/i40e_ethdev_vf.c > > > b/drivers/net/i40e/i40e_ethdev_vf.c > > > index f6d8293..5916d11 100644 > > > --- a/drivers/net/i40e/i40e_ethdev_vf.c > > > +++ b/drivers/net/i40e/i40e_ethdev_vf.c > > > @@ -888,7 +888,7 @@ i40evf_add_mac_addr(struct rte_eth_dev *dev, > > > int err; > > > struct vf_cmd_info args; > > > > > > - if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) { > > > + if (is_zero_ether_addr(addr) != I40E_SUCCESS) { > > > > Thanks for the patch, there's some mistake with my last comment. > > Actually, I think the logic above works but I do agree it is confusing but I > wanted to use your suggestion to speed up the process. :) > > > * @return > > * True (1) if the given ethernet address is filled with zeros; > > * false (0) otherwise. > > */ > > According to the comment of is_zero_ether_addr function, return value > > should be 0 or 1. > > So you should use if (!is_zero_ether_addr(addr)) here. > > I don't think so. I think the logic that should be used is if > (is_zero_ether_addr(addr)) { because we want to report an error if the addr > is all 0's. >
Yes, correct:) > Please let me know if you agree and I'll post this patch instead. > > Thanks, > Dave > > > > > > PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x", > > > addr->addr_bytes[0], addr->addr_bytes[1], > > > addr->addr_bytes[2], addr->addr_bytes[3], > > > -- > > > 2.10.3.dirty