Re: [IPoIB] Identify multicast packets and fix IGMP breakage V2
From: David Miller <hidden>
Date: 2010-08-26 22:15:53
Also in:
linux-rdma
From: Christoph Lameter <redacted> Date: Thu, 26 Aug 2010 16:31:14 -0500 (CDT)
quoted hunk
@@ -271,6 +271,13 @@ static void ipoib_ib_handle_rx_wc(struct ipoib_ud_dma_unmap_rx(priv, mapping); ipoib_ud_skb_put_frags(priv, skb, wc->byte_len); + if ((wc->wc_flags & IB_WC_GRH) && + IN6_IS_ADDR_MULTICAST(&((struct ipv6hdr *)skb->data)->daddr)) + + skb->pkt_type = PACKET_MULTICAST; + else + skb->pkt_type = PACKET_HOST;
I really don't think you can assume there is an ipv6 header here at all. You'll need to parse the encapsulated protocol and process it as ipv4 or ipv6 as needed. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html